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Santinello B, Sun R, Amjad A, Hoyt SJ, Ouyang L, Courret C, Drennan R, Leo L, Larracuente AM, Core LM, O’Neill RJ, Mellone BG. A centromere-derived retroelement RNA localizes in cis and is a core element of the transcriptional landscape of Drosophila centromeres. bioRxiv 2024:2024.01.14.574223. [PMID: 38293134 PMCID: PMC10827089 DOI: 10.1101/2024.01.14.574223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Centromeres are essential chromosomal landmarks that dictate the point of attachment between chromosomes and spindle microtubules during cell division. The stable transmission of the centromere site through generations is ensured by a unique chromatin containing the histone H3 variant CENP-A. Previous studies have highlighted the impact of transcription on promoting CENP-A deposition. However, the specific sequences undergoing this transcription and their contribution to centromere function in metazoan systems remain elusive. In this study, we unveil the centromeric transcriptional landscape and explore its correlation with CENP-A in D. melanogaster, currently the only in vivo model with assembled centromeres. We find that the centromere-enriched retroelement G2/Jockey-3 (hereafter referred to as Jockey-3) is a major driver of centromere transcription, producing RNAs that localize to all mitotic centromeres, with the Y centromere showing the most transcription. Taking advantage of the polymorphism of Jockey-3, we show that these RNAs remain associated with their cognate DNA sequences in cis. Using a LacI/lacO system to generate de novo centromeres, we find that Jockey-3 transcripts do not localize to ectopic sites, suggesting they are unlikely to function as non-coding RNAs with a structural role at centromeres. At de novo centromeres on the lacO array, the presence of CENP-A augments the detection of exogenous lacO-derived transcripts specifically in metaphase. We propose that Jockey-3 contributes to the epigenetic maintenance of the centromere by promoting chromatin transcription, while inserting in a region that permits its continuous transmission. Given the conservation of retroelements as centromere components across taxa, our findings have broad implications in understanding this widespread association.
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Affiliation(s)
- B Santinello
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - R Sun
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - A Amjad
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - SJ Hoyt
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - L Ouyang
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - C Courret
- Department of Biology, University of Rochester, Rochester, NY, US
| | - R Drennan
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
| | - L Leo
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, “Sapienza” University of Rome, 00185 Rome, Italy
- Present address: RNA editing Lab, Onco-Haematology Department, Genetics and Epigenetics of Pediatric Cancers, Bambino Gesù Children Hospital, IRCCS, 00146 Rome, Italy
| | - AM Larracuente
- Department of Biology, University of Rochester, Rochester, NY, US
| | - LM Core
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
- Institute for Systems Genomics, University of Connecticut, Storrs CT, US
| | - RJ O’Neill
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
- Institute for Systems Genomics, University of Connecticut, Storrs CT, US
- Department of Genetics and Genome Sciences, UConn Health, Farmington, CT, US
| | - BG Mellone
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, US
- Institute for Systems Genomics, University of Connecticut, Storrs CT, US
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Qu J, Wang Z, Gan W, Xiao R, Yao X, Khanam Z, Ouyang L, Wang H, Yang H, Zhang S, Balogun MS. Efficient Hydrogen Evolution on Antiperovskite CuNCo 3 Nanowires by Mo Incorporation and its Trifunctionality for Zn Air Batteries and Overall Water Splitting. Small 2024; 20:e2304541. [PMID: 37661573 DOI: 10.1002/smll.202304541] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/24/2023] [Indexed: 09/05/2023]
Abstract
The current development of single electrocatalyst with multifunctional applications in overall water splitting (OWS) and zinc-air batteries (ZABs) is crucial for sustainable energy conversion and storage systems. However, exploring new and efficient low-cost trifunctional electrocatalysts is still a significant challenge. Herein, the antiperovskite CuNCo3 prototype, that is proved to be highly efficient in oxygen evolution reaction but severe hydrogen evolution reaction (HER) performance, is endowed with optimum HER catalytic properties by in situ-derived interfacial engineering via incorporation of molybdenum (Mo). The as-prepared Mo-CuNCo3 @CoN nanowires achieve a low HER overpotential of 58 mV@10 mA cm-2 , which is significantly higher than the pristine CuNCo3 . The assembled CuNCo3 -antiperovskite-based OWS not only entails a low overall voltage of 1.56 V@10 mA cm-2 , comparable to most recently reported metal-nitride-based OWS, but also exhibits excellent ZAB cyclic stability up to 310 h, specific capacity of 819.2 mAh g-1 , and maximum power density of 102 mW cm-2 . The as-designed antiperovskite-based ZAB could self-power the OWS system generating a high hydrogen rate, and creating opportunity for developing integrated portable multifunctional energy devices.
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Affiliation(s)
- Jing Qu
- Guangxi Academy of Sciences, Nanning, Guangxi, 530007, P. R. China
- Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, P. R. China
| | - Zhongmin Wang
- Guangxi Academy of Sciences, Nanning, Guangxi, 530007, P. R. China
- Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, P. R. China
| | - Weijiang Gan
- Guangxi Academy of Sciences, Nanning, Guangxi, 530007, P. R. China
| | - Ran Xiao
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Xincheng Yao
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Zeba Khanam
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Hui Wang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Hao Yang
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China
| | - Shiguo Zhang
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
| | - Muhammad-Sadeeq Balogun
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, P. R. China
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Peng X, Wang BY, Li XY, Li YW, Lu Y, Wu GH, Ouyang L, Zou HC. [Utilization of sexual and reproductive health services and its correlates among community- based older adults in Chongqing]. Zhonghua Liu Xing Bing Xue Za Zhi 2023; 44:1880-1885. [PMID: 38129143 DOI: 10.3760/cma.j.cn112338-20230519-00315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objective: To investigate the utilization of sexual health services among community-based older adults in Chongqing and explore its potential correlates. Methods: A cross-sectional survey using multistage sampling among community-based older adults aged ≥50 years was conducted in Chongqing between June 2020 and December 2022. A questionnaire including information on demographic characteristics, general health, sexual health status, and sexual health services utilization was collected. Sexual health and reproductive services utilization was defined as having ever been tested for human immunodeficiency virus (HIV), or having had a male/gynecological reproductive health examination in the past year. Logistic regression was used to examine the correlates of the utilization of sexual health services. Results: A total of 794 community-based older adults participated in the study (482 were male, and 312 were female). The mean age was (62.8±8.2) years. The proportion of HIV testing was 18.0%, and the proportion of reproductive health examination was 10.1% among community-based older adults. The results of multivariate logistic regression analysis showed that the age group of 60-69 years (aOR=0.37, 95%CI: 0.18-0.76), female (aOR=11.34, 95%CI: 5.71-22.52), monthly income ≥5 000 yuan (aOR=3.05, 95%CI: 1.01-9.27), being sexual activity (aOR=4.99, 95%CI: 2.23-11.15) was significantly associated with had a reproductive health examination in the past year. Conclusions: The proportion of sexual health services utilization among older adults was low. Older sexual health education should be further strengthened, the close relationship between older adults should be correctly guided and dealt with, and the sexual health services suitable for the older population should be formulated.
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Affiliation(s)
- X Peng
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - B Y Wang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - X Y Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Y W Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Y Lu
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - G H Wu
- Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - L Ouyang
- Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - H C Zou
- School of Public Health, Fudan University, Shanghai 200032, China
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4
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Lu Y, Peng X, Li XY, Fu LW, Tian T, Wang BY, Ouyang L, Wu GH, Zou HC. [Condom use and its correlates among community-based older adults in Chongqing]. Zhonghua Liu Xing Bing Xue Za Zhi 2023; 44:1886-1892. [PMID: 38129144 DOI: 10.3760/cma.j.cn112338-20230519-00317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objective: To understand the current status of condom use and its correlates among community-based older adults in Chongqing, China. Methods: Cross-sectional study based on a multistage sampling method was conducted in Chongqing from June 2020 to December 2022. The estimated sample size was 735. Through face-to-face interviews, the investigators collected the sociodemographic characteristics, sexual behavior characteristics, awareness of AIDS prevention knowledge, etc. A multivariable logistic regression model was used to explore the correlates of condom use during the last sexual behavior among the participants. Results: A total of 761 participants were included in this study, with 476 males and 285 females, whose average age was (63.8±8.2) years old, mainly in the age group of 60-69 years (44.5%). Among the participants, the rate of condom use during the last sexual behavior was 9.7%. The multivariable logistic regression analysis indicated that correlates of condom use during the last sexual behavior included urban household registration (aOR=2.34, 95%CI: 1.12-4.89), monthly income of 1 000-4 999 Yuan, and 5 000 Yuan and above (aOR=4.49, 95%CI: 1.31-15.41; aOR=16.33, 95%CI: 4.30-62.00), self-assessed sexual behavior risk as very risky/relatively risky (aOR=3.97, 95%CI: 1.40-11.31), awareness of AIDS prevention knowledge (aOR=0.36, 95%CI: 0.21-0.62). Conclusions: The rate of condom use among community-based older adults in Chongqing is low. Comprehensive intervention measures should be taken in combination with the characteristics and needs of community-based older adults to improve awareness of AIDS prevention knowledge and perception of AIDS risk and promote condom use among this population.
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Affiliation(s)
- Y Lu
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - X Peng
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - X Y Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - L W Fu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - T Tian
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - B Y Wang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - L Ouyang
- Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - G H Wu
- Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - H C Zou
- School of Public Health, Fudan University, Shanghai 200032, China
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5
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Lang C, Jiang W, Yang CJ, Zhong H, Chen P, Wu Q, Yan X, Dong CL, Lin Y, Ouyang L, Jia Y, Yao X. Facile and Scalable Mechanochemical Synthesis of Defective MoS 2 with Ru Single Atoms Toward High-Current-Density Hydrogen Evolution. Small 2023; 19:e2300807. [PMID: 37086117 DOI: 10.1002/smll.202300807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/02/2023] [Indexed: 05/03/2023]
Abstract
Designing a facile strategy to prepare catalysts with highly active sites are challenging for large-scale implementation of electrochemical hydrogen production. Herein, a straightforward and eco-friendly method by high-energy mechanochemical ball milling for mass production of atomic Ru dispersive in defective MoS2 catalysts (Ru1 @D-MoS2 ) is developed. It is found that single atomic Ru doping induces the generation of S vacancies, which can break the electronic neutrality around Ru atoms, leading to an asymmetrical distribution of electrons. It is also demonstrated that the Ru1 @D-MoS2 exhibits superb alkaline hydrogen evolution enhancement, possibly attributing to this electronic asymmetry. The overpotential required to deliver a current density of 10 mA cm-2 is as low as 107 mV, which is much lower than that of commercial MoS2 (C-MoS2 , 364 mV). Further density functional theory (DFT) calculations also support that the vacancy-coupled single Ru enables much higher electronic distribution asymmetry degree, which could regulate the adsorption energy of intermediates, favoring the water dissociation and the adsorption/desorption of H*. Besides, the long-term stability test under 500 mA cm-2 further confirms the robust performance of Ru1 @D-MoS2 . Our strategy provides a promising and practical way towards large-scale preparation of advanced HER catalysts for commercial applications.
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Affiliation(s)
- Chengguang Lang
- School of Advanced Energy, Sun Yat-sen University (Shenzhen), Shenzhen, 518107, P. R. China
- School of Environment and Science, and Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan campus, Brisbane, 4111, Australia
| | - Wenbin Jiang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, China
| | - Cheng-Jie Yang
- Research Center for X-ray Science, Department of Physics, Tamkang University, Tamsui, 25137, China
| | - Hao Zhong
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, China
| | - Peirong Chen
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, China
| | - Qilong Wu
- School of Environment and Science, and Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan campus, Brisbane, 4111, Australia
| | - Xuecheng Yan
- School of Environment and Science, and Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan campus, Brisbane, 4111, Australia
| | - Chung-Li Dong
- Research Center for X-ray Science, Department of Physics, Tamkang University, Tamsui, 25137, China
| | - Yue Lin
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230026, China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, China
| | - Yi Jia
- Department of Applied Chemistry and Zhejiang Moganshan Carbon Neutral Innovation Institute, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Xiangdong Yao
- School of Advanced Energy, Sun Yat-sen University (Shenzhen), Shenzhen, 518107, P. R. China
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Dan L, Wang H, Yang X, Liu J, Ouyang L, Zhu M. Room-Temperature Transient Hydrogen Uptake of MgH 2 Induced by Nb-Doped TiO 2 Solid-Solution Catalysts. ACS Appl Mater Interfaces 2023. [PMID: 37318842 DOI: 10.1021/acsami.3c06033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The practical applications of MgH2 as a high-density hydrogen carrier depend heavily on efficient and low-cost catalysts to accelerate the dehydriding/hydriding reactions at moderate temperatures. In the present work, this issue is addressed by synthesizing Nb-doped TiO2 solid-solution-type catalysts that dramatically improve the hydrogen sorption performances of MgH2. The catalyzed MgH2 can absorb 5 wt % of H2 even at room temperature for 20 s, release 6 wt % of H2 at 225 °C within 12 min, and the complete dehydrogenation can be achieved at 150 °C under a dynamic vacuum atmosphere. Density functional theory calculations reveal that Nb doping introduces Nb 4d orbitals with stronger interaction with H 1s into the density of states of TiO2. This considerably enhances both the adsorption and dissociation ability of the H2 molecule on the catalysts surface and the hydrogen diffusion across the specific Mg/Ti(Nb)O2 interface. The successful implementation of solid solution-type catalysts in MgH2 offers a demonstration and inspiration for the development of high-performance catalysts and solid-state hydrogen storage materials.
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Affiliation(s)
- Liang Dan
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
| | - Hui Wang
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
| | - Xiaobao Yang
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
| | - Jiangwen Liu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
| | - Min Zhu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510640, China
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7
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Liu M, Liu J, Sun J, Zhu Y, Chen K, Zhong H, Ouyang L, Liu H. In Situ Formation of Li 2SiO 3-Li-NaCl Interface on Si and Its Effect on Hydrogen Evolution. ACS Appl Mater Interfaces 2023; 15:20917-20924. [PMID: 37096938 DOI: 10.1021/acsami.2c23285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Silicon has emerged as a competitive candidate for hydrolytic hydrogen production due to its high theoretical hydrogen yield, low cost, and on-demand availability. However, the hydrolysis reaction is extremely restrained by passivated SiO2, including the original one on the Si surface and the generated one during hydrolysis, and almost no hydrogen is produced in pure water. Herein, the original SiO2 surface has been effectively removed by milling micro-Si mixed with a small amount of Li metal and NaCl. An artificial soluble interface on Si has been established containing Li2SiO3, Li, and NaCl. Once micro-Si is placed into water, fresh Si surface can be exposed and a weak LiOH solution can be generated due to the fast dissolution of the interface layer, resulting in the rapid liberation of hydrogen gas. Accordingly, the modified micro-Si displays a significantly enhanced hydrogen production in pure water at 30 °C (1213 mL g-1 H2 within 3.0 h), which is 2.0 and 4.7 times higher than that observed for ball-milled Si and raw Si in 0.06 M LiOH solution, respectively. In addition, it also exhibited an outstanding operation compatibility for practical uses. This work has proposed a green, effective, and scalable strategy to promote hydrogen production from the hydrolysis of Si-based systems.
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Affiliation(s)
- Mili Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
| | - Jiangyong Sun
- Institute of New Materials, Guangdong Academy of Sciences, Guangzhou 510651, PR China
| | - Yongyang Zhu
- Institute of Resources Utilization and Rare Earth Development, Guangdong Academy of Sciences, Guangzhou 510650, PR China
| | - Kang Chen
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
| | - Hao Zhong
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
- Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, Guangzhou 510641, PR China
| | - Hui Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou 510641, PR China
- School of Chemistry and Material Science, Hunan Agricultural University, Changsha 410128, PR China
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8
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Zou P, Liu J, Huang Z, Hu R, Ouyang L. Phenylphosphonic acid as a grain-refinement additive for a stable lithium metal anode. Chem Commun (Camb) 2022; 58:12724-12727. [DOI: 10.1039/d2cc04504d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The increased overpotential due to the complexation between phenylphosphonic acid and Li ions can reduce the grain size, boost nucleation rates, and prevent the formation of Li dendrites.
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Affiliation(s)
- Pinjuan Zou
- School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Jun Liu
- School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Zhenguo Huang
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Renzong Hu
- School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology, Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials and Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou 510641, People's Republic of China
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9
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Zhu Y, Zhong H, Ouyang L, Liu J, Wang H, Shao H, Zhu M. Synthesis of NaBH4 as a hydrogen carrier from hydrated borax using a Mg–Al alloy. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01247a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We report a highly efficient synthesis of NaBH4 by optimizing the uses of a hydrogen source and low-cost Mg–Al alloy.
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Affiliation(s)
- Yongyang Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Hao Zhong
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, People's Republic of China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Hui Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Huaiyu Shao
- Guangdong-Hong Kong-Macau Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Institute of Applied Physics and Materials Engineering (IAPME), Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macau SAR, China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
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10
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Liao W, Jiang W, Yang XS, Wang H, Ouyang L, Zhu M. Enhancing (de)hydrogenation kinetics properties of the Mg/MgH2 system by adding ANi5 (A = Ce, Nd, Pr, Sm, and Y) alloys via ball milling. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2020.07.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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11
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Ouyang L, Jiang J, Chen K, Zhu M, Liu Z. Hydrogen Production via Hydrolysis and Alcoholysis of Light Metal-Based Materials: A Review. Nanomicro Lett 2021; 13:134. [PMID: 34138371 PMCID: PMC8179885 DOI: 10.1007/s40820-021-00657-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 04/13/2021] [Indexed: 05/26/2023]
Abstract
As an environmentally friendly and high-density energy carrier, hydrogen has been recognized as one of the ideal alternatives for fossil fuels. One of the major challenges faced by "hydrogen economy" is the development of efficient, low-cost, safe and selective hydrogen generation from chemical storage materials. In this review, we summarize the recent advances in hydrogen production via hydrolysis and alcoholysis of light-metal-based materials, such as borohydrides, Mg-based and Al-based materials, and the highly efficient regeneration of borohydrides. Unfortunately, most of these hydrolysable materials are still plagued by sluggish kinetics and low hydrogen yield. While a number of strategies including catalysis, alloying, solution modification, and ball milling have been developed to overcome these drawbacks, the high costs required for the "one-pass" utilization of hydrolysis/alcoholysis systems have ultimately made these techniques almost impossible for practical large-scale applications. Therefore, it is imperative to develop low-cost material systems based on abundant resources and effective recycling technologies of spent fuels for efficient transport, production and storage of hydrogen in a fuel cell-based hydrogen economy.
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Affiliation(s)
- Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China.
- China-Australia Joint Laboratory for Energy and Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, People's Republic of China.
| | - Jun Jiang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Kang Chen
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy and Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, People's Republic of China
| | - Zongwen Liu
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia.
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12
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Zhu Y, Zhong H, Wang H, Ouyang L, Liu J, Huang Z, Zhu M. Breaking the Passivation: Sodium Borohydride Synthesis by Reacting Hydrated Borax with Aluminum. Chemistry 2021; 27:9087-9093. [PMID: 33876844 DOI: 10.1002/chem.202100552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Indexed: 11/11/2022]
Abstract
A significant obstacle in the large-scale applications of sodium borohydride (NaBH4 ) for hydrogen storage is its high cost. Herein, we report a new method to synthesize NaBH4 by ball milling hydrated sodium tetraborate (Na2 B4 O7 ⋅ 10H2 O) with low-cost Al or Al88 Si12 , instead of Na, Mg or Ca. An effective strategy is developed to facilitate mass transfer during the reaction by introducing NaH to enable the formation of NaAlO2 instead of dense Al2 O3 on Al surface, and by using Si as a milling additive to prevent agglomeration and also break up passivation layers. Another advantage of this process is that hydrogen in Na2 B4 O7 ⋅ 10H2 O serves as a hydrogen source for NaBH4 generation. Considering the low cost of the starting materials and simplicity in operation, our studies demonstrate the potential of producing NaBH4 in a more economical way than the commercial process.
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Affiliation(s)
- Yongyang Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Hao Zhong
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Hui Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China.,China-Australia Joint Laboratory for Energy & Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, People's Republic of China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Zhenguo Huang
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
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13
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14
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Abstract
A superior and low-temperature hydrogen supply technology based on the hydrolysis of an Al–Li alloy was developed.
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Affiliation(s)
- Mili Liu
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou
- PR China
| | - Hui Liu
- School of Chemistry and Material Science
- Hunan Agricultural University
- Changsha
- PR China
| | - Kang Chen
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou
- PR China
| | - Jiangyong Sun
- Institute of Materials and Processing
- Guangdong Academy of Sciences
- Guangzhou 510651
- PR China
| | - Hui Wang
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou
- PR China
| | - Jiangwen Liu
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou
- PR China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou
- PR China
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15
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Fang Z, Wang H, Liu J, Ouyang L, Zhu M. Effect of scandium and zirconium alloying on microstructure and gaseous hydrogen storage properties of YFe3. J RARE EARTH 2020. [DOI: 10.1016/j.jre.2020.11.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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He M, Chen X, Luo M, Ouyang L, Xie L, Huang Z, Liu A. Suppressor of cytokine signaling 1 inhibits the maturation of dendritic cells involving the nuclear factor kappa B signaling pathway in the glioma microenvironment. Clin Exp Immunol 2020; 202:47-59. [PMID: 32516488 DOI: 10.1111/cei.13476] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 04/22/2020] [Accepted: 05/24/2020] [Indexed: 12/30/2022] Open
Abstract
Recurrence and diffuse infiltration challenge traditional therapeutic strategies for malignant glioma. Immunotherapy appears to be a promising approach to obtain long-term survival. Dendritic cells (DCs), the most specialized and potent antigen-presenting cells (APCs), play an important part in initiating and amplifying both the innate and adaptive immune responses against cancer cells. However, cancer cells can escape from immune surveillance by inhibiting maturation of DCs. Until the present, molecular mechanisms of maturation inhibition of DCs in the tumor microenvironment (TME) have not been fully revealed. Our study showed that pretreatment with tumor-conditioned medium (TCM) collected from supernatant of primary glioma cells significantly suppressed the maturation of DCs. TCM pretreatment significantly changed the morphology of DCs, TCM decreased the expression levels of CD80, CD83, CD86 and interleukin (IL)-12p70, while it increased the expression levels of IL-10, transforming growth factor (TGF)-β and IL-6. RNA-Seq showed that TCM pretreatment significantly increased the gene expression level of suppressor of cytokine signaling 1 (SOCS1) in DCs. suppressor of cytokine signaling 1 (SOCS1) knock-down significantly antagonized the maturation inhibition of DCs by TCM, which was demonstrated by the restoration of maturation markers. TCM pretreatment also significantly suppressed T cell viability and T helper type 1 (Th1) response, and SOCS1 knock-down significantly antagonized this suppressive effect. Further, TCM pretreatment significantly suppressed p65 nuclear translocation and transcriptional activity in DCs, and SOCS1 knock-down significantly attenuated this suppressive effect. In conclusion, our research demonstrates that TCM up-regulate SOCS1 to suppress the maturation of DCs via the nuclear factor-kappa signaling pathway.
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Affiliation(s)
- M He
- Department of Neurosurgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - X Chen
- Department of Neurosurgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - M Luo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - L Ouyang
- Department of Neurosurgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - L Xie
- Department of Neurosurgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Z Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Neurosurgery, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - A Liu
- Department of Neurosurgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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17
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Hu L, Xia W, Tang R, Hu R, Ouyang L, Sun T, Wang H. Excellent Cyclic and Rate Performances of SiO/C/Graphite Composites as Li-Ion Battery Anode. Front Chem 2020; 8:388. [PMID: 32500057 PMCID: PMC7243856 DOI: 10.3389/fchem.2020.00388] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 04/14/2020] [Indexed: 11/13/2022] Open
Abstract
The SiO-based composites containing different carbon structures were prepared from asphalt and graphite by the milling, spray drying, and pyrolysis. In the obtained near-spherical composite particles, the refined amorphous SiO plates, which are coated with an amorphous carbon layer, are aggregated with the binding of graphite sheets. The SiO/C/Graphite composites present a maximum initial charge capacity of 963 mAh g-1 at 100 mA g-1, excellent cyclic stability (~950 mAh g-1 over 100 cycles), and rate capability with the charge capacity of 670 mAh g-1 at 1,000 mA g-1. This significant improvement of electrochemical performances in comparison with pristine SiO or SiO/C composite is attributed to the unique microstructure, in which both the graphite sheets and amorphous carbon coating could enhance the conductivity of SiO and buffer the volume change of SiO. The higher pyrolysis temperature causes the denser spherical microstructure and better cycle life. Our work demonstrates the potential of this SiO/C/Graphite composite for high capacity anode of LIBs.
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Affiliation(s)
- Long Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Wenming Xia
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Renheng Tang
- Guangdong Province Key Laboratory of Rare Earth Development and Application, Guangdong Research Institute of Rare Metals, Guangzhou, China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Tai Sun
- Guangdong Province Key Laboratory of Rare Earth Development and Application, Guangdong Research Institute of Rare Metals, Guangzhou, China
| | - Hui Wang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
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18
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Ma M, Chen K, Ouyang L, Jiang J, Liu F, Shao H, Zhu M. Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg 2 -Based Materials in Tailored Solutions. ChemSusChem 2020; 13:2709-2718. [PMID: 32141714 DOI: 10.1002/cssc.202000089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/27/2020] [Indexed: 06/10/2023]
Abstract
The alcoholysis of CaMg2 -based materials for hydrogen generation is reported. Compared to hydrolysis in water, hydrogen supply from alcoholysis shows an excellent potential for outdoor applications, which not only bypasses the formation of passivation layers deposited on the surface of particles but also breaks the temperature bottleneck in which hydrolysis occurs over 0 °C. To remove the troublesome freezing issue of the water solution system in low-temperature conditions, here, instead of pure methanol, methanol/water and methanol/ethanol solutions are applied to react with CaMg2 alloy (CM2 ) and its hydrides (H-CM2 ) for hydrogen generation. Compared with pure water and ethanol, the reaction of CaMg2 -based materials with methanol possesses much faster reaction kinetics and gives a considerable hydrogen yield. CM2 can generate 858 mL H 2 g-1 within only 3 min at room temperature as it reacts vigorously with methanol, as opposed to a low hydrogen yield with ethanol and water (395 and 224 mL H 2 g-1 within 180 min, respectively) under the same conditions. Even at -20 °C, there is still over 600 mL H 2 g-1 released at a conversion rate of 70.7 % within 100 min for methanolysis, which shows its prominent advantage for hydrogen production, especially in winter or subzero areas. Interestingly, the methanolysis byproducts can transform into metal hydroxides and methanol in the reaction with water, and the methanol may be separated and reused as an intermediate. Moreover, the hydrogen behavior of CaMg2 methanolysis can be well controlled by tailoring the components of the solutions to deliver a promising hydrogen supply system for the hydrogen economy.
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Affiliation(s)
- Miaolian Ma
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, Anhui, P.R. China
| | - Kang Chen
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
- Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Jun Jiang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Fen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Huaiyu Shao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering (IAPME), University of Macau, Macau SAR, P.R. China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P.R. China
- Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
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19
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Cao Z, Ouyang L, Felderhoff M, Zhu M. Low temperature dehydrogenation properties of ammonia borane within carbon nanotube arrays: a synergistic effect of nanoconfinement and alane. RSC Adv 2020; 10:19027-19033. [PMID: 35518327 PMCID: PMC9053937 DOI: 10.1039/d0ra02283g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/11/2020] [Indexed: 02/05/2023] Open
Abstract
Ammonia borane (AB, NH3BH3) is considered as one of the most promising hydrogen storage materials for proton exchange membrane fuel cells due to its high theoretical hydrogen capacity under moderate temperatures. Unfortunately, its on-board application is hampered by the sluggish kinetics, volatile byproducts and harsh conditions for reversibility. In this work, AB and AlH3 were simultaneously infiltrated into a carbon nanotube array (CMK-5) to combine the synergistic effect of alane with nanoconfinement for improving the dehydrogenation properties of AB. Results showed that the transformation from AB to DADB started at room temperature, which promoted AB to release 9.4 wt% H2 within 10 min at a low temperature of 95 °C. Moreover, the entire suppression of all harmful byproducts was observed. Ammonia borane (AB, NH3BH3) is considered as one of the most promising hydrogen storage materials for proton exchange membrane fuel cells due to its high theoretical hydrogen capacity under moderate temperatures.![]()
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Affiliation(s)
- Zhijie Cao
- School of Materials Science and Engineering, Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology Guangzhou 510641 PR China .,Advanced Energy Storage Materials and Devices Laboratory, School of Physics and Electronic-Electrical Engineering, Ningxia University Yinchuan 750021 PR China.,Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim Germany
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology Guangzhou 510641 PR China
| | - Michael Felderhoff
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim Germany
| | - Min Zhu
- School of Materials Science and Engineering, Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology Guangzhou 510641 PR China
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20
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Xu CS, Wu MT, Ouyang L, Cai ZS, Ren Y, Lu SF, Shi WZ. Preparation and Properties of Polyaminosiloxane Modified Polyester Waterborne Polyurethane. INT POLYM PROC 2020. [DOI: 10.3139/217.3842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
In this study, a organosilicon modified waterborne polyurethane (WPU) is synthesized with polyethylene glycol 1,4-butanediol adipate ester diol (PBA) to form the soft segment, dimethylolpropionic acid (DMPA) as the hydrophilic chain extender, and isophorone diisocyanate as the hard segment to synthesize the WPU prepolymer, and aminoethyl aminopropyl dimethicone (AEAPS) as the graft chain extender. The properties of the formed WPU films are then characterized by using Fourier transform infrared spectrometry, thermogravimetric analysis, X-ray diffraction, and dynamic mechanical analysis. It is found that when the amount of AEAPS in the WPU is increased from 0 to 30 wt%, the particle size of the AEAPS modified WPU emulsion is increased from 84.8 nm to 271.9 nm and maintained high centrifugal stability. Moreover, the water absorption of the WPU film is reduced from 43.4% to 24.1%, and the hardness is enhanced from 3H to 5H, while the glass-transition temperature (Tg) of the soft segment of the modified WPU shifts from -37.4 °C to -44.3 °C, and the Tg of the hard segment shifts from 73.6 °C to 118.1 °C. Therefore, the overall performance of AEAPS modified WPU is improved.
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Affiliation(s)
- C.-S. Xu
- School of Textile Science and Engineering , Xi'an Polytechnic University, Xi'an, Shaanxi , PRC
| | - M.-T. Wu
- School of Textile Science and Engineering , Xi'an Polytechnic University, Xi'an, Shaanxi , PRC
| | - L. Ouyang
- Xi'an Wanzi Fine Chemical Technology Co. , Ltd., Xi'an , PRC
| | - Z.-S. Cai
- College of Chemistry , Chemical Engineering and Biotechnology, Donghua University, Shanghai , PRC
| | - Y. Ren
- School of Textile Science and Engineering , Xi'an Polytechnic University, Xi'an, Shaanxi , PRC
| | - S.-F. Lu
- School of Textile Science and Engineering , Xi'an Polytechnic University, Xi'an, Shaanxi , PRC
| | - W.-Z. Shi
- School of Textile Science and Engineering , Xi'an Polytechnic University, Xi'an, Shaanxi , PRC
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21
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Zhu Y, Ouyang L, Zhong H, Liu J, Wang H, Shao H, Huang Z, Zhu M. Closing the Loop for Hydrogen Storage: Facile Regeneration of NaBH 4 from its Hydrolytic Product. Angew Chem Int Ed Engl 2020; 59:8623-8629. [PMID: 32080947 DOI: 10.1002/anie.201915988] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/10/2020] [Indexed: 11/05/2022]
Abstract
Sodium borohydride (NaBH4 ) is among the most studied hydrogen storage materials because it is able to deliver high-purity H2 at room temperature with controllable kinetics via hydrolysis; however, its regeneration from the hydrolytic product has been challenging. Now, a facile method is reported to regenerate NaBH4 with high yield and low costs. The hydrolytic product NaBO2 in aqueous solution reacts with CO2 , forming Na2 B4 O7 ⋅10 H2 O and Na2 CO3 , both of which are ball-milled with Mg under ambient conditions to form NaBH4 in high yield (close to 80 %). Compared with previous studies, this approach avoids expensive reducing agents such as MgH2 , bypasses the energy-intensive dehydration procedure to remove water from Na2 B4 O7 ⋅10 H2 O, and does not require high-pressure H2 gas, therefore leading to much reduced costs. This method is expected to effectively close the loop of NaBH4 regeneration and hydrolysis, enabling a wide deployment of NaBH4 for hydrogen storage.
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Affiliation(s)
- Yongyang Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China.,China-Australia Joint Laboratory for Energy & Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, P. R. China
| | - Hao Zhong
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Hui Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Huaiyu Shao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering (IAPME), Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macau SAR, China
| | - Zhenguo Huang
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, P. R. China
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22
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Zhu Y, Ouyang L, Zhong H, Liu J, Wang H, Shao H, Huang Z, Zhu M. Closing the Loop for Hydrogen Storage: Facile Regeneration of NaBH
4
from its Hydrolytic Product. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915988] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yongyang Zhu
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials Key Laboratory of Fuel Cell Technology of Guangdong Province Guangzhou 510641 P. R. China
| | - Hao Zhong
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
| | - Jiangwen Liu
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
| | - Hui Wang
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
| | - Huaiyu Shao
- Joint Key Laboratory of the Ministry of Education Institute of Applied Physics and Materials Engineering (IAPME) Department of Physics and Chemistry Faculty of Science and Technology University of Macau Macau SAR China
| | - Zhenguo Huang
- School of Civil and Environmental Engineering University of Technology Sydney Sydney NSW 2007 Australia
| | - Min Zhu
- School of Materials Science and Engineering Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials South China University of Technology Guangzhou 510641 P. R. China
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23
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Wang Z, Shen J, Ji S, Xu X, Zuo S, Liu Z, Zhang D, Hu R, Ouyang L, Liu J, Zhu M. B,N Codoped Graphitic Nanotubes Loaded with Co Nanoparticles as Superior Sulfur Host for Advanced Li-S Batteries. Small 2020; 16:e1906634. [PMID: 31967721 DOI: 10.1002/smll.201906634] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/21/2019] [Indexed: 06/10/2023]
Abstract
Lithium-sulfur batteries (LSBs) are considered as one of the best candidates for novel rechargeable batteries due to their high energy densities and abundant required materials. However, the poor conductivity and large volume expansion of sulfur and the "shuttle effect" of lithium polysulfides (LPSs) have significantly hindered the development and successful commercialization of LSBs. Bean-like B,N codoped carbon nanotubes loaded with Co nanoparticles (Co@BNTs), which can act as advanced sulfur hosts for the novel LSB cathode, are fabricated. Uniform graphitic nanotubes improve the conductivity of the electrode and load more electroactive sulfur and buffer volume expansion during the electrochemical reaction. In addition, loaded Co nanoparticles and codoped B,N sites can significantly suppress the "shuttle effect" of LPSs with strong chemical interaction. It is established that the Co nanoparticles and codoped B,N can provide more active sites to catalyze the redox reaction of sulfur cathode. This stable Co@BNTs-S cathode displays an exceptional electrochemical performance (1160 mA h g-1 after 200 cycles at 0.1 C) and outstanding stable cycle performance (1008 mA h g-1 after 400 cycles at 1.0 C with an extremely low attenuation rate of 0.038% per cycle).
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Affiliation(s)
- Zhuosen Wang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jiadong Shen
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Shaomin Ji
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Xijun Xu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Shiyong Zuo
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Zhengbo Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Dechao Zhang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Min Zhu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
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24
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Ma M, Chen K, Jiang J, Yang X, Wang H, Shao H, Liu J, Ouyang L. Enhanced hydrogen generation performance of CaMg2-based materials by ball milling. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01299k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The hydrolysis properties of CaMg2-based materials can be enhanced via tailoring the milling durations or/and doping with the Ni element.
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Affiliation(s)
- Miaolian Ma
- School of Chemistry and Chemical Engineering
- Hefei University of Technology
- Hefei 230009
- PR China
- School of Materials Science and Engineering
| | - Kang Chen
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou 510641
- PR China
| | - Jun Jiang
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou 510641
- PR China
| | - Xusheng Yang
- Advanced Manufacturing Technology Research Centre
- Department of Industrial and Systems Engineering
- The Hong Kong Polytechnic University
- Hong Kong
- PR China
| | - Hui Wang
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou 510641
- PR China
| | - Huaiyu Shao
- Joint Key Laboratory of the Ministry of Education
- Institute of Applied Physics and Materials Engineering (IAPME)
- University of Macau
- Macau SAR
- PR China
| | - Jiangwen Liu
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou 510641
- PR China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials
- South China University of Technology
- Guangzhou 510641
- PR China
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25
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Zhang J, Li H, Chen Q, Wu C, Pan H, Pan Y, Zheng J, Wen J, Ouyang L, Zhou C. P2.12-22 Risk Factors for BM Incidence in SCLC: A Predictive Model for SCLC Patients on Brain Metastasis. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Wang X, Xu X, Liu J, Liu Z, Shen J, Li F, Hu R, Yang L, Ouyang L, Zhu M. Facile Synthesis of Peapod-Like Cu 3 Ge/Ge@C as a High-Capacity and Long-Life Anode for Li-Ion Batteries. Chemistry 2019; 25:11486-11493. [PMID: 31237004 DOI: 10.1002/chem.201901629] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/16/2019] [Indexed: 11/08/2022]
Abstract
As anode materials for high-performance Li-ion batteries, peapod-like Ge-based composites, including Ge, a Li-inactive conducting Cu3 Ge, and a porous carbon matrix are synthesized simply by annealing CuGeO3 @dopamine in a H2 /Ar atmosphere. The introduction of the carbon layer and inactive alloying phase Cu3 Ge not only enhances the electrical conductivity of the Ge anode, but also reduces the volume change of Ge during the cell cycle as a buffer. In particular, the anode of this peapod-like Cu3 Ge/Ge@C shows an excellent long cycle life as well as outstanding capacity performance, with a discharge specific capacity up to 934 mA h g-1 after 500 cycles.
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Affiliation(s)
- Xinyi Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Xijun Xu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Jun Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Zhengbo Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Jiadong Shen
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Fangkun Li
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Renzong Hu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Lichun Yang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of, Advanced Energy Storage Materials, South China University of, Technology, Guangzhou, 510641, P.R. China
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27
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Wang Z, Shen J, Liu J, Xu X, Liu Z, Hu R, Yang L, Feng Y, Liu J, Shi Z, Ouyang L, Yu Y, Zhu M. Self-Supported and Flexible Sulfur Cathode Enabled via Synergistic Confinement for High-Energy-Density Lithium-Sulfur Batteries. Adv Mater 2019. [PMID: 31222820 DOI: 10.1002/adma.201970236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Lithium-sulfur (Li-S) batteries have attracted much attention in the field of electrochemical energy storage due to their high energy density and low cost. However, the "shuttle effect" of the sulfur cathode, resulting in poor cyclic performance, is a big barrier for the development of Li-S batteries. Herein, a novel sulfur cathode integrating sulfur, flexible carbon cloth, and metal-organic framework (MOF)-derived N-doped carbon nanoarrays with embedded CoP (CC@CoP/C) is designed. These unique flexible nanoarrays with embedded polar CoP nanoparticles not only offer enough voids for volume expansion to maintain the structural stability during the electrochemical process, but also promote the physical encapsulation and chemical entrapment of all sulfur species. Such designed CC@CoP/C cathodes with synergistic confinement (physical adsorption and chemical interactions) for soluble intermediate lithium polysulfides possess high sulfur loadings (as high as 4.17 mg cm-2 ) and exhibit large specific capacities at different C-rates. Specially, an outstanding long-term cycling performance can be reached. For example, an ultralow decay of 0.016% per cycle during the whole 600 cycles at a high current density of 2C is displayed. The current work provides a promising design strategy for high-energy-density Li-S batteries.
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Affiliation(s)
- Zhuosen Wang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jiadong Shen
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Xijun Xu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Zhengbo Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Lichun Yang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Yuezhan Feng
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou, 450002, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Zhicong Shi
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Yan Yu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Materials Science and Engineering, Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Dalian National Laboratory for Clean Energy (DNL), Chinese Academy of Sciences (CAS), Dalian, 116023, P. R. China
| | - Min Zhu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
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28
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Wang Z, Shen J, Liu J, Xu X, Liu Z, Hu R, Yang L, Feng Y, Liu J, Shi Z, Ouyang L, Yu Y, Zhu M. Self-Supported and Flexible Sulfur Cathode Enabled via Synergistic Confinement for High-Energy-Density Lithium-Sulfur Batteries. Adv Mater 2019; 31:e1902228. [PMID: 31222820 DOI: 10.1002/adma.201902228] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/18/2019] [Indexed: 05/19/2023]
Abstract
Lithium-sulfur (Li-S) batteries have attracted much attention in the field of electrochemical energy storage due to their high energy density and low cost. However, the "shuttle effect" of the sulfur cathode, resulting in poor cyclic performance, is a big barrier for the development of Li-S batteries. Herein, a novel sulfur cathode integrating sulfur, flexible carbon cloth, and metal-organic framework (MOF)-derived N-doped carbon nanoarrays with embedded CoP (CC@CoP/C) is designed. These unique flexible nanoarrays with embedded polar CoP nanoparticles not only offer enough voids for volume expansion to maintain the structural stability during the electrochemical process, but also promote the physical encapsulation and chemical entrapment of all sulfur species. Such designed CC@CoP/C cathodes with synergistic confinement (physical adsorption and chemical interactions) for soluble intermediate lithium polysulfides possess high sulfur loadings (as high as 4.17 mg cm-2 ) and exhibit large specific capacities at different C-rates. Specially, an outstanding long-term cycling performance can be reached. For example, an ultralow decay of 0.016% per cycle during the whole 600 cycles at a high current density of 2C is displayed. The current work provides a promising design strategy for high-energy-density Li-S batteries.
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Affiliation(s)
- Zhuosen Wang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jiadong Shen
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Xijun Xu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Zhengbo Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Lichun Yang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Yuezhan Feng
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou, 450002, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Zhicong Shi
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Smart Energy Research Centre, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510000, P. R. China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Yan Yu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Materials Science and Engineering, Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Dalian National Laboratory for Clean Energy (DNL), Chinese Academy of Sciences (CAS), Dalian, 116023, P. R. China
| | - Min Zhu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
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29
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Xu X, Feng J, Liu J, Lv F, Hu R, Fang F, Yang L, Ouyang L, Zhu M. Robust spindle-structured FeP@C for high-performance alkali-ion batteries anode. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.04.149] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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30
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Huang J, Ouyang L, Wang H, Liu J, Zhu M, Fang F, Sun D. Hydrogenation and crystallization of amorphous phase: A new mechanism for the electrochemical capacity and its decay in milled Mg Ni alloys. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.02.122] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Jiang J, Ouyang L, Wang H, Liu J, Shao H, Zhu M. Controllable Hydrolysis Performance of MgLi Alloys and Their Hydrides. Chemphyschem 2019; 20:1316-1324. [PMID: 30830995 DOI: 10.1002/cphc.201900058] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 02/28/2019] [Indexed: 11/11/2022]
Abstract
Theoretically, the hydrolysis of MgLi and MgH2 -LiH can produce 9.6 and 17.5 wt.% hydrogen (water is not included in the calculation), respectively. The ball-milling method is commonly used to refine the particle size and thus may improve hydrolysis kinetics. However, Mg and Li will be easily agglomerated, which means that direct ball-milling could not refine MgLi. In this work, we introduced 10 wt.% expanded graphite into the ball-milling process to synthesize refined MgLi alloy samples. Further studies showed that MgLi-10 wt.% expanded graphite can produce 966 mL/g hydrogen within 3 min in 0.5 M MgCl2 solution. The MgLi hydrides were synthesized by reactive ball milling under 3 MPa H2 and their hydrolysis performance was investigated. Moreover, the sawed powder was milled in 3 MPa H2 for 6 h and then hydrogenated in 3 MPa H2 at 380 °C; it can produce 1542 and 1773 mL/g (15.8 wt.%) hydrogen in 5 and 30 min with mild kinetics, respectively, and the activation energy of the hydrolysis reaction is 24.6 kJ/mol in 1 M MgCl2 solution. The findings here open a new avenue to the development of refined MgLi alloys and hydrides for hydrogen generation through a controllable hydrolysis process.
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Affiliation(s)
- Jun Jiang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China.,China-Australia Joint Laboratory for Energy & Environmental Materials, Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, People's Republic of China
| | - Hui Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
| | - Huaiyu Shao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering (IAPME), Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macau SAR, China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
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32
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Zhou C, Yang L, Zhou C, Lu B, Liu J, Ouyang L, Hu R, Liu J, Zhu M. Co-Substitution Enhances the Rate Capability and Stabilizes the Cyclic Performance of O3-Type Cathode NaNi 0.45- xMn 0.25Ti 0.3Co xO 2 for Sodium-Ion Storage at High Voltage. ACS Appl Mater Interfaces 2019; 11:7906-7913. [PMID: 30720273 DOI: 10.1021/acsami.8b17945] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
O3-type NaNiO2-based cathode materials suffer irreversible phase transition when they are charged to above 4.0 V in sodium-ion batteries. To solve this problem, we partially substitute Ni2+ in O3-type NaNi0.45Mn0.25Ti0.3O2 by Co3+. NaNi0.45Mn0.25Ti0.3O2 with co-substitution possesses an expanded interlayer and exhibits higher rate capability, as well as cyclic stability, compared with the pristine cathode in 2.0-4.4 V. The optimal NaNi0.4Mn0.25Ti0.3Co0.05O2 delivers discharge capacities of 180 and 80 mA h g-1 at 10 and 1000 mA g-1. At 100 mA g-1, NaNi0.4Mn0.25Ti0.3Co0.05O2 exhibits 152 mA h g-1 in the initial cycle and maintains 91.4 mA h g-1 after 180 cycles. Through ex situ X-ray diffraction, co-substitution is demonstrated to be effective in enhancing the reversibility of P3-P3″ phase transition from 4.0 to 4.4 V. Electrochemical impedance spectroscopy indicates that higher electronic conductivity is achieved by co-substitution. Moreover, cyclic voltammetry and the galvanostatic intermittent titration technique demonstrate faster kinetics for Na+ diffusion due to the co-substitution. This study provides a reference for further improvement of electrochemical performance of cathode materials for high-voltage sodium-ion batteries.
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Affiliation(s)
- Chaojin Zhou
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Lichun Yang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Chaogang Zhou
- College of Metallurgy and Energy, Key Laboratory of the Ministry of Education for Modern Metallurgy Technology , North China University of Science and Technology , Tangshan 063009 , China
| | - Bin Lu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Renzong Hu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Jun Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials , South China University of Technology , Guangzhou 510641 , China
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33
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Cai W, Yang Y, Tao P, Ouyang L, Wang H, Yang X. A fleeting glimpse of the dual roles of SiB 4 in promoting the hydrogen storage performance of LiBH 4. Dalton Trans 2019; 48:1314-1321. [PMID: 30608089 DOI: 10.1039/c8dt04720k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, the positive effects and dual roles of SiB4 on the dehydrogenation and rehydrogenation performance of the LiBH4-SiB4 system are reported. Characterizations were performed through temperature programmed desorption mass spectrometry (TPD-MS), isothermal kinetics measurements, and XRD and FTIR analyses. For the hydrogen desorption from LiBH4, SiB4 played the role of a catalyst to kinetically facilitate the structural destabilization of LiBH4 and its intermediate phase Li2B12H12. Accordingly, a dehydrogenation capacity of 2.24 at. H/f.u. LiBH4 (close to 10.3 wt% H) was attained at a relative temperature of 350 °C. For hydrogen absorption to generate LiBH4, SiB4 was unexpectedly found to act as a reactant to thermodynamically improve the rehydrogenation process by reacting with LiH under moderate conditions of 10 MPa H2 and 400 °C, and a superior reversible capacity of 2.16 at. H/f.u. LiBH4 was achieved. These experimental results remind us to take into account the explicit role(s) of the employed components during the dehydrogenation and rehydrogenation reactions when designing a desirable LiBH4-based system.
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Affiliation(s)
- Weitong Cai
- School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China.
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34
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Xu X, Liu J, Liu Z, Wang Z, Hu R, Liu J, Ouyang L, Zhu M. FeP@C Nanotube Arrays Grown on Carbon Fabric as a Low Potential and Freestanding Anode for High-Performance Li-Ion Batteries. Small 2018; 14:e1800793. [PMID: 29947038 DOI: 10.1002/smll.201800793] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/25/2018] [Indexed: 06/08/2023]
Abstract
An anode of self-supported FeP@C nanotube arrays on carbon fabric (CF) is successfully fabricated via a facile template-based deposition and phosphorization route: first, well-aligned FeOOH nanotube arrays are simply obtained via a solution deposition and in situ etching route with hydrothermally crystallized (Co,Ni)(CO3 )0.5 OH nanowire arrays as the template; subsequently, these uniform FeOOH nanotube arrays are transformed into robust carbon-coated Fe3 O4 (Fe3 O4 @C) nanotube arrays via glucose adsorption and annealing treatments; and finally FeP@C nanotube arrays on CF are achieved through the facile phosphorization of the oxide-based arrays. As an anode for lithium-ion batteries (LIBs), these FeP@C nanotube arrays exhibit superior rate capability (reversible capacities of 945, 871, 815, 762, 717, and 657 mA h g-1 at 0.1, 0.2, 0.4, 0.8, 1.3, and 2.2 A g-1 , respectively, corresponding to area specific capacities of 1.73, 1.59, 1.49, 1.39, 1.31, 1.20 mA h cm-2 at 0.18, 0.37, 0.732, 1.46, 2.38, and 4.03 mA cm-2 , respectively) and a stable long-cycling performance (a high specific capacity of 718 mA h g-1 after 670 cycles at 0.5 A g-1 , corresponding to an area capacity of 1.31 mA h cm-2 at 0.92 mA cm-2 ).
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Affiliation(s)
- Xijun Xu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Zhengbo Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Zhuosen Wang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Jiangwen Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Min Zhu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
- SUNWODA-SCUT Joint Laboratory for Advanced Energy StorageTechnology, South China University of Technology, Guangzhou, 510641, P. R. China
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Li YH, Shi CY, Duan FQ, Pang Y, Li HB, Zhang LQ, Liu ZH, Ouyang L, Yue CY, Xie MC, Jiang ZJ, Xiao Y. [A clinical analysis of 10 cases with cardiac lymphoma]. Zhonghua Xue Ye Xue Za Zhi 2018; 38:102-106. [PMID: 28279032 PMCID: PMC7354164 DOI: 10.3760/cma.j.issn.0253-2727.2017.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
目的 分析心脏淋巴瘤的发病情况、临床特征、治疗效果及预后。 方法 收集2000年1月至2016年6月期间确诊并有心脏累及的10例淋巴瘤患者的资料,对患者的一般资料、临床表现、病理诊断、实验室检查、心脏累及方式、心脏并发症、治疗方式、疗效及预后进行分析。 结果 3 918例淋巴瘤患者中,心脏累及者10例,其中原发性心脏淋巴瘤(PCL)1例(主要累及左右心房,以心肌内多发结节包块为主),继发性心脏淋巴瘤(SCL)9例(主要为心包包块,其中出现心包积液5例,心肌肿块2例)。男性6例,女性4例,中位年龄55(19~88)岁,主要临床表现为呼吸困难7例,胸痛5例,乏力、水肿各2例。病理类型包括弥漫大B细胞淋巴瘤(DLBCL)7例,T淋巴母细胞淋巴瘤、霍奇金淋巴瘤、Burkitt淋巴瘤各1例。心脏并发症包括充血性心力衰竭7例,心律失常4例(主要为窦性心动过速、心房颤动和房室传导阻滞)。除1例高龄、一般状况差未接受治疗外,其余9例患者均接受治疗(单纯化疗4例,化疗联合放疗5例)。中位随访时间为9(1~28)个月。1例PCL患者化疗后获部分缓解(PR),无进展生存(PFS)期为6个月,总生存(OS)期为21个月。SCL患者中6例起病累及心脏者,治疗后1例获完全缓解,5例获PR,中位PFS期为5个月,中位OS期为19个月;3例病情进展累及心脏者,2例治疗后获PR,1例未治疗者死亡,中位PFS期为4个月,OS因数据截尾,未能获得。 结论 心脏淋巴瘤为少见类型,DLBCL为最常见类型,呼吸困难、胸痛为最常见临床表现,并易出现充血性心力衰竭和心律失常,治疗以系统化疗为主,总体预后差。
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Affiliation(s)
- Y H Li
- Department of Hematology, Guangzhou Military Command Guangzhou General Hospital, Guangzhou 510010, China
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Guo W, Li Y, Zhou N, Wu GH, Chang WH, Huan XP, Hui S, Tong X, Guo Y, Yu MH, Lu RR, Ouyang L, Dong LF, Li H, Li JJ, Liu XY, Liu YL, Luo C, Wei XL, Huang XD, Cui Y. [Risk factors related to HIV new infections among men who have sex with men in a cohort study]. Zhonghua Liu Xing Bing Xue Za Zhi 2018; 39:16-20. [PMID: 29374888 DOI: 10.3760/cma.j.issn.0254-6450.2018.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objectives: To analyze and understand the risk factors related to HIV new infections among men who have sex with men (MSM). Methods: A longitudinal observational study among MSM was conducted to collect information on HIV related behaviors and sero-conversion. Univariate and multivariate generalized estimating equations (GEE) were used to discuss the risk factors for HIV new infection. Results: A total number of 4 305 MSM were followed during 2013-2015. Among those self-reported MSM who are seeking partners on the Interner tended to have higher proportion on receptive anal intercourse and consistent condom use during anal intercourse than the subgroups seeking their partners in gay bars or bathrooms. HIV incidence among followed MSM during the study period appeared as 4.3/100 person years, with adjusted RR (aRR) of HIV infection for receptive anal intercourse as group 2.20 (95% CI: 1.49-3.24) times than that of insertion anal intercourse group. Those who used rush-poppers (aRR=1.55, 95% CI: 1.10-2.17), unprotected anal intercourse (aRR=2.24, 95%CI: 1.62-3.08), and those with syphilis infection (aRR=2.95, 95%CI: 2.00-4.35) were also risk factors for HIV new infections. After controlling other factors, the relationship between the ways of seeking partners and HIV new infection was not statistical significant. Conclusion: Risk factors for HIV new infection among MSM appeared complex and interactive, suggesting that further studies are needed to generate tailored strategies for the prevention of HIV epidemic among MSM population.
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Affiliation(s)
- W Guo
- National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206
| | - Y Li
- Center for Disease Control and Prevention in Heilongjiang Province, Harbin 150036
| | - N Zhou
- Center for Disease Control and Prevention in Tianjin, Tianjin 300011
| | - G H Wu
- Center for Disease Control and Prevention in Chongqing, Chong qing 400042
| | - W H Chang
- Center for Disease Control and Prevention in Shaanxi Province. Xi'an 710054
| | - X P Huan
- Center for Disease Control and Prevention in Jiangsu Province, Nanjing 210009
| | - S Hui
- Center for Disease Control and Prevention in Heilongjiang Province, Harbin 150036
| | - X Tong
- Center for Disease Control and Prevention in Heilongjiang Province, Harbin 150036
| | - Y Guo
- Center for Disease Control and Prevention in Tianjin, Tianjin 300011
| | - M H Yu
- Center for Disease Control and Prevention in Tianjin, Tianjin 300011
| | - R R Lu
- Center for Disease Control and Prevention in Chongqing, Chong qing 400042
| | - L Ouyang
- Center for Disease Control and Prevention in Chongqing, Chong qing 400042
| | - L F Dong
- Center for Disease Control and Prevention in Shaanxi Province. Xi'an 710054
| | - H Li
- Center for Disease Control and Prevention in Shaanxi Province. Xi'an 710054
| | - J J Li
- Center for Disease Control and Prevention in Jiangsu Province, Nanjing 210009
| | - X Y Liu
- Center for Disease Control and Prevention in Jiangsu Province, Nanjing 210009
| | - Y L Liu
- Center for Disease Control and Prevention at Harbin City, Harbin 150056
| | - C Luo
- Center for Disease Control and Prevention at Harbin City, Harbin 150056
| | - X L Wei
- Center for Disease Control and Prevention at Xi'an City, Xi'an 710054
| | - X D Huang
- Center for Disease Control and Prevention at Xi'an City, Xi'an 710054
| | - Y Cui
- National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206
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Liu B, Dai W, Lu Z, Ye J, Ouyang L. Silver@Nitrogen-Doped Carbon Nanorods as a Highly Efficient Electrocatalyst for the Oxygen Reduction Reaction in Alkaline Media. Chemistry 2018; 24:3283-3288. [PMID: 29282777 DOI: 10.1002/chem.201705521] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Indexed: 12/20/2022]
Abstract
In recent years, various platinum-free catalysts for the oxygen reduction reaction (ORR) have attracted great attention due to the limited natural abundance and high cost of platinum. Herein, Ag@N-C (N-C: nitrogen-doped carbon) nanorods for the ORR were synthesized through chemical polymerization and pyrolysis methods by using pyrrole and silver nitrate as raw materials. Pyrolysis could significantly increase the specific surface area of as-synthesized catalysts and convert pyrrolic-N into graphitic-N and pyridinic-N. The results of electrochemical tests show that the Ag@N-C-900 catalyst (pyrolyzed at 900 °C) exhibits highly efficient ORR catalytic activity, improved stability, and better methanol resistance in comparison to that of Pt/C catalyst in alkaline media.
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Affiliation(s)
- Baichen Liu
- School of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Wanlin Dai
- School of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Zhiwei Lu
- School of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Jianshan Ye
- School of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, 510641, P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Key Laboratory of Advanced Energy Storage Materials of, Guangdong Province, South China University of Technology, Guangzhou, 510641, P. R. China
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Cai W, Yang Y, Tao P, Ouyang L, Wang H. Correlation between structural stability of LiBH4 and cation electronegativity in metal borides: an experimental insight for catalyst design. Dalton Trans 2018; 47:4987-4993. [DOI: 10.1039/c8dt00435h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A larger xp of M in MBx causes a lower peak temperature but almost doesn't affect the initial temperature during the dehydrogenation of LiBH4.
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Affiliation(s)
- Weitong Cai
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou
- China
| | - Yuanzheng Yang
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou
- China
| | - Pingjun Tao
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou
- China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- Guangdong Provincial Key Laboratory of Advance Energy Storage Materials
| | - Hui Wang
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- Guangdong Provincial Key Laboratory of Advance Energy Storage Materials
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Xu X, Liu J, Liu Z, Shen J, Hu R, Liu J, Ouyang L, Zhang L, Zhu M. Robust Pitaya-Structured Pyrite as High Energy Density Cathode for High-Rate Lithium Batteries. ACS Nano 2017; 11:9033-9040. [PMID: 28813140 DOI: 10.1021/acsnano.7b03530] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To solve the serious problems (the agglomeration of nano-Fe0, dissolution of polysulfide, and low electronic conductivity of Li2S) of earth-abundant pyrite (FeS2) cathodes for lithium batteries, a simple in situ encapsulation and transformation route has been successfully developed to synthesis pitaya-structured porous carbon embedded with FeS2 nanoparticles. Due to such a hierarchical architecture design, this cathode of pitaya-structured FeS2@C can effectively avoid the serious agglomeration and coarsening of small Fe nanoparticles, reduce the dissolution of polysulfide, and provide superior kinetics toward lithium storage, resulting in enhanced reversibility and rate capability. Cycling in the voltage region of 1.0-3.0 V at 0.3 A g-1, the current conversion-based FeS2@C cathode displays a high and stable energy density (about 1100 Wh kg-1), ultrahigh rate capability (a reversible capability of 660, 609, 554, 499, 449, and 400 mA h g-1 at 0.2, 0.5, 1.0, 2.0, 5.0, and 10 A g-1, respectively), and stable cycling performance.
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Affiliation(s)
- Xijun Xu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Zhengbo Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Jiadong Shen
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Renzong Hu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Jiangwen Liu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Liuzhang Ouyang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
| | - Lei Zhang
- School of Chemistry and Chemical Engineering, South China University of Technology , Guangzhou, 510640, China
| | - Min Zhu
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering, South China University of Technology , Guangzhou, 510641, China
- China-Australia Joint Laboratory for Energy & Environmental Materials, South China University of Technology , Guangzhou, 510641, China
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He HJ, Lyu P, Luan RS, Liao QH, Chang ZJ, Li Y, Ouyang L, Yang J. [Influence of sociocultural factors on HIV transmission among men who have sex with men: a qualitative study]. Zhonghua Yu Fang Yi Xue Za Zhi 2017; 50:858-862. [PMID: 27686762 DOI: 10.3760/cma.j.issn.0253-9624.2016.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand how social and cultural factors influence sexual perceptions, sexual practices, and HIV transmission among men who have sex with men at selected sites in China. Methods: Qualitative methodology was used and face to face, semi-structured, in-depth interviews conducted from April 2013 to October 2015 in Sichuan, Jiangxi, Henan, Heilongjiang provinces and Chongqing municipality of China. Results: A total of 184 men who have sex with men participated in the interviews. Forty-eight originated from Henan Province, and 12, 50, 47, and 27 from Jiangxi, Heilongjiang, Sichuan provinces and Chongqing municipality, respectively. A total of 122 participants(66.3%)were under 30 years of age, 111 were college graduates(61.3%), 140 were unmarried(76.5%), and 74 were HIV positive(40.2%). Among interviewees, 6%(11 MSM)were employed at nongovernmental organizations. The main findings revealed that: Owing to sociocultural influences and social norms, most homosexual men concealed their sexual orientation and married females so as to fulfill their family obligation; this may encourage HIV transmission from a high-risk population to the general population; the main features of male homosexual behaviors, as well as those of the associated community and subculture, included hedonism, less concern about health, drug abuse, encouraging of high risk behaviors among men who have sex with men, and negative attitudes regarding HIV prevention; subgroups among MSM were found to have differential HIV transmission risk behaviors, with young men more vulnerable to infection with HIV. Conclusion: Sociocultural factors, including external socioenvironmental circumstances and internal MSM community subcultures, have adverse impacts on HIV transmission among men who have sex with men. Because there were varied behavior modes and HIV transmission risks among MSM subgroups, further study focusing on MSM subgroups is imperative, to provide a basis for more targeted and effective prevention strategies.
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Affiliation(s)
- H J He
- National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
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Huang B, Chen L, Wang Y, Ouyang L, Ye J. Paragenesis of Palladium-Cobalt Nanoparticle in Nitrogen-Rich Carbon Nanotubes as a Bifunctional Electrocatalyst for Hydrogen-Evolution Reaction and Oxygen-Reduction Reaction. Chemistry 2017. [DOI: 10.1002/chem.201701245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Binbin Huang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liyu Chen
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Yan Wang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering; Key Laboratory of Advanced Energy Storage Materials of Guangdong Province; South China University of Technology; Guangzhou 510641 P.R. China
| | - Jianshan Ye
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
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Huang B, Chen L, Wang Y, Ouyang L, Ye J. Cover Picture: Paragenesis of Palladium-Cobalt Nanoparticle in Nitrogen-Rich Carbon Nanotubes as a Bifunctional Electrocatalyst for Hydrogen-Evolution Reaction and Oxygen-Reduction Reaction (Chem. Eur. J. 32/2017). Chemistry 2017. [DOI: 10.1002/chem.201701244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Binbin Huang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liyu Chen
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Yan Wang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering; Key Laboratory of Advanced Energy Storage Materials of Guangdong Province; South China University of Technology; Guangzhou 510641 P.R. China
| | - Jianshan Ye
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
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Yu L, Liu J, Xu X, Zhang L, Hu R, Liu J, Ouyang L, Yang L, Zhu M. Ilmenite Nanotubes for High Stability and High Rate Sodium-Ion Battery Anodes. ACS Nano 2017; 11:5120-5129. [PMID: 28471641 DOI: 10.1021/acsnano.7b02136] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To solve the problem of large volume change and low electronic conductivity of earth-abundant ilmenite used in rechargeable Na-ion batteries (SIBs), an anode of tiny ilmenite FeTiO3 nanoparticle embedded carbon nanotubes (FTO⊂CNTs) has been successfully proposed. By introducing a TiO2 shell on metal-organic framework (Fe-MOF) nanorods by sol-gel deposition and subsequent solid-state annealing treatment of these core-shell Fe-MOF@TiO2, such well-defined FTO⊂CNTs are obtained. The achieved FTO⊂CNT electrode has several distinct advantages including a hollow interior in the hybrid nanostructure, fully encapsulated ultrasmall electroactive units, flexible conductive carbon matrix, and stable solid electrolyte interface (SEI) of FTO in cycles. FTO⊂CNT electrodes present an excellent cycle stability (358.8 mA h g-1 after 200 cycles at 100 mA g-1) and remarkable rate capability (201.8 mA h g-1 at 5000 mA g-1) with a high Coulombic efficiency of approximately 99%. In addition, combined with the typical Na3V2(PO4)3 cathode to constitute full SIBs, the assembled FTO⊂CNT//Na3V2(PO4)3 batteries are also demonstrated with superior rate capability and a long cycle life.
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Affiliation(s)
- Litao Yu
- Key Laboratory of Low Dimensional Materials and Application Technology, Ministry of Education, School of Materials Science and Engineering, Xiangtan University , Xiangtan 411105, PR China
| | | | | | - Liguo Zhang
- Key Laboratory of Low Dimensional Materials and Application Technology, Ministry of Education, School of Materials Science and Engineering, Xiangtan University , Xiangtan 411105, PR China
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Huang B, Chen L, Wang Y, Ouyang L, Ye J. Paragenesis of Palladium-Cobalt Nanoparticle in Nitrogen-Rich Carbon Nanotubes as a Bifunctional Electrocatalyst for Hydrogen-Evolution Reaction and Oxygen-Reduction Reaction. Chemistry 2017; 23:7710-7718. [DOI: 10.1002/chem.201700544] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Binbin Huang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liyu Chen
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Yan Wang
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering; Key Laboratory of Advanced Energy Storage Materials of Guangdong Province; South China University of Technology; Guangzhou 510641 P.R. China
| | - Jianshan Ye
- College of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510641 P.R. China
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Xu X, Liu J, Hu R, Liu J, Ouyang L, Zhu M. Self-Supported CoP Nanorod Arrays Grafted on Stainless Steel as an Advanced Integrated Anode for Stable and Long-Life Lithium-Ion Batteries. Chemistry 2017; 23:5198-5204. [DOI: 10.1002/chem.201700147] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Xijun Xu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
| | - Jun Liu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
| | - Renzong Hu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
| | - Jiangwen Liu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
| | - Min Zhu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials; South China University of Technology; Guangzhou 510641 P. R. China
- China-Australia Joint Laboratory for Energy & Environmental Materials; South China University of Technology; Guangzhou 510641 P. R. China
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Wang C, Yu L, Fan W, Liu J, Ouyang L, Yang L, Zhu M. 3,3'-(Ethylenedioxy)dipropiononitrile as an Electrolyte Additive for 4.5 V LiNi 1/3Co 1/3Mn 1/3O 2/Graphite Cells. ACS Appl Mater Interfaces 2017; 9:9630-9639. [PMID: 28221019 DOI: 10.1021/acsami.6b16220] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
3,3'-(Ethylenedioxy)dipropiononitrile (EDPN) has been introduced as a novel electrolyte additive to improve the oxidation stability of the conventional carbonate-based electrolyte for LiNi1/3Co1/3Mn1/3O2/graphite pouch batteries cycled under high voltage. Mixing 0.5 wt % EDPN into the electrolyte greatly improved the capacity retention, from 32.5% to 83.9%, of cells cycled for 100 times in the range 3.0-4.5 V with a rate of 1C. The high rate performance (3C and 5C) was also improved, while the cycle performance was similar to that of the cell without EDPN when cycled between 3.0 and 4.2 V. Further evidence of a stable protective interphase film can be formed on the LiNi1/3Co1/3Mn1/3O2 electrode surface due to the presence of EDPN in the electrolyte. This process effectively suppresses the oxidative decomposition of electrolyte and the growth in the charge-transfer resistance of the LiNi1/3Co1/3Mn1/3O2 electrode and greatly improves the high-voltage electrochemical properties for the cells. In contrast, EDPN has no positive effect on the cyclic performance of the LiNi0.5Co0.2Mn0.3O2-based cell under high operating voltage.
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Affiliation(s)
- Chengyun Wang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Guangzhou, 510641, People's Republic of China
| | - Le Yu
- Guangzhou Tinci Materials Technology Co. Ltd., Guangzhou, 510760, People's Republic of China
| | - Weizhen Fan
- Guangzhou Tinci Materials Technology Co. Ltd., Guangzhou, 510760, People's Republic of China
| | - Jiangwen Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Guangzhou, 510641, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Guangzhou, 510641, People's Republic of China
- Key Laboratory of Fuel Cell Technology of Guangdong Province , Guangzhou, 510641, People's Republic of China
| | - Lichun Yang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Guangzhou, 510641, People's Republic of China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou, 510641, People's Republic of China
- China-Australia Joint Laboratory for Energy & Environmental Materials, Guangzhou, 510641, People's Republic of China
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Abstract
Efficient preparation of two-dimensional materials is still a great challenge. These materials possess unique electrical, optical, and thermal properties. In this study, few-layer MoS2 nanosheets and nanoflakes were exfoliated by the hydrolysis reaction of LiBH4. First, the layered MoS2 powder materials were mixed with LiBH4 to obtain a homogeneous powder mixture, and then the mixture was heated above the melting point of LiBH4 under 300 °C and 4 MPa H2 for 2 h, during which the layered materials were curled by liquid LiBH4. In the subsequent hydrolysis of LiBH4, the layered materials were split into nanosheets by H2 gas generation. The obtained MoS2 nanosheets show almost uniform thickness of ~4 nm, with a width of 2-10 μm and a yield of more than 1.5 wt.%. The effectiveness of this method has also been verified by the preparation of few-layer h-BN. This work provides a new high-yield route to producing two-dimensional materials.
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Affiliation(s)
- Jiuyi Zhu
- School of Materials Science and Engineering and Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641, People's Republic of China
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49
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Yang L, Li X, Ouyang Y, Gao Q, Ouyang L, Hu R, Liu J, Zhu M. Hierarchical MoO2/Mo2C/C Hybrid Nanowires as High-Rate and Long-Life Anodes for Lithium-Ion Batteries. ACS Appl Mater Interfaces 2016; 8:19987-19993. [PMID: 27400758 DOI: 10.1021/acsami.6b05049] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Hierarchical MoO2/Mo2C/C hybrid nanowires (MoO2/Mo2C/C HNWs) have been fabricated through facile calcination of Mo3O10(C6H5NH3)2·2H2O nanowires which serve as both precursors and self-templates. In the MoO2/Mo2C/C HNWs, nanoparticles dispersed in the nanowires are beneficial for Li(+) transportation due to the decreased diffusion paths. Moreover, hybridization with Mo2C and carbon facilitates the electron transfer and increases the structural stability without sacrifice of capacity. As anode materials for lithium-ion batteries, the MoO2/Mo2C/C HNWs exhibit a reversible capacity of 950 mA h g(-1) after 320 cycles at a current density of 200 mA g(-1). Even when cycled at 2000 mA g(-1), they maintained a reversible capacity of 602 mA h g(-1) after 500 cycles. By incorporation of Mo2C and C with MoO2, the MoO2/Mo2C/C HNWs show high-rate capability and long cycle life and can be a promising candidate for lithium-ion battery anodes.
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Affiliation(s)
- Lichun Yang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Xiang Li
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Yunpeng Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Qingsheng Gao
- Department of Chemistry, Jinan University , Guangzhou 510632, People's Republic of China
| | - Liuzhang Ouyang
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Renzong Hu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Jun Liu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
| | - Min Zhu
- School of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, South China University of Technology , Guangzhou 510641, People's Republic of China
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50
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Li B, Shen C, Ouyang L, Yang M, Zhou L, Jiang S, Jia X. WE-FG-207B-03: Multi-Energy CT Reconstruction with Spatial Spectral Nonlocal Means Regularization. Med Phys 2016. [DOI: 10.1118/1.4957948] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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