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Zhang R, Hu Y, Li J, Zhu X, Peng Y, Yuan H, Wang S, Zhang Z, Liu S, Gao S. In Situ Constructing Ultrafast Ion Channel for Promoting High-Rate Cycle Stability of Nano-Na 3V 2(PO 4) 3 Cathode. ACS Appl Mater Interfaces 2024; 16:2389-2396. [PMID: 38166406 DOI: 10.1021/acsami.3c16409] [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: 01/04/2024]
Abstract
Encapsulating nanomaterials in carbon is one of the main ways to increase the cathode stability, but it is difficult to simultaneously optimize the rate capacity and enhance durability derived from the insufficient ion transport channels and deficient ion adsorption sites that constipate the ion transport and pseudocapacitive reaction. Herein, we develop the ligand-confined growth strategy to encapsulate the nano-Na3V2(PO4)3 cathode material in various carbon channels (microporous, mesoporous, and macroporous) to discriminate the optimal carbon channels for synchronously improving rate capacity and holding the high-rate cycle stability. Benefiting from the unobstructed ion/charge transport channels and flexible maskant created by the interconnected mesoporous carbon channels, the prepared Na3V2(PO4)3 nanoparticles confined in mesoporous carbon channel (Mes-NVP/C) achieve a discharge-specific capacity of 70 mAh g-1 even at the ultrahigh rate of 100 C, higher than those of the Na3V2(PO4)3 nanoparticles confined in microporous and macroporous carbon channel (Micr-NVP/C and Macr-NVP/C), respectively. Significantly, the capacity retention rate of Mes-NVP/C after 5000 cycles at 20 C is as high as 90.48%, exceeding most of the reported work. These findings hold great promise for traditional cathode materials to synergistically realize fast charging ability and long cycle life.
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Affiliation(s)
- Ruili Zhang
- School of Chemistry and Chemical Engineering, Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, P. R. China
| | - Yanwen Hu
- School of Chemistry and Chemical Engineering, Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, P. R. China
| | - Jingjing Li
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Xiangjian Zhu
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Yongzhi Peng
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Huasheng Yuan
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Shunan Wang
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Zheng Zhang
- School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China
| | - Shuo Liu
- School of Chemistry and Chemical Engineering, Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, P. R. China
| | - Shan Gao
- School of Chemistry and Chemical Engineering, Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, P. R. China
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Cui Z, Lu X, Dong J, Liu Y, Chen H, Chen C, Wang J, Huang G, Zhang D, Pan F. Energy Storage Mechanism of C 12-3-3 with High-Capacity and High-Rate Performance for Li/Mg Batteries. ACS Appl Mater Interfaces 2023; 15:9273-9284. [PMID: 36780394 DOI: 10.1021/acsami.2c20170] [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: 06/18/2023]
Abstract
The low specific capacity and Mg non-affinity of graphite limit the energy density of ion rechargeable batteries. Here, we first identify that the monolayer C12-3-3 in sp2-sp3 carbon hybridization with high Li/Mg affinity is an appropriate anode material for Li-ion batteries and Mg-ion batteries via the first-principles simulations. The monolayer C12-3-3 can achieve high specific capacities of 1181 mAh/g for Li and 739 mAh/g for Mg, higher than those of most previous anodes. The Li storage reaction is an "adsorption-conversion-intercalation mechanism", while the Mg storage reaction is an "adsorption mechanism". The 2D carbon material of C12-3-3 displays fast diffusion kinetics with low diffusion barriers of 0.41 eV for Li and 0.21 eV for Mg. As a new carbon-based anode material, the monolayer C12-3-3 will promote the practical application of batteries with high-capacity and high-rate performance.
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Affiliation(s)
- Zhihong Cui
- College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Xuefeng Lu
- State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metal, Department of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Jingren Dong
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
| | - Yuping Liu
- College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
- Chongqing Key Laboratory of Materials Surface and Interface Science, Chongqing University of Arts and Sciences, Chongqing 402160, P. R. China
| | - Hong Chen
- College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Changguo Chen
- College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Jingfeng Wang
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
| | - Guangsheng Huang
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
| | - Dingfei Zhang
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
| | - Fusheng Pan
- National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
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Chen J, Chen G, Zhao S, Feng J, Wang R, Parkin IP, He G. Robust Biomass-Derived Carbon Frameworks as High-Performance Anodes in Potassium-Ion Batteries. Small 2023; 19:e2206588. [PMID: 36470658 DOI: 10.1002/smll.202206588] [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: 10/25/2022] [Revised: 11/19/2022] [Indexed: 06/17/2023]
Abstract
Potassium-ion batteries (PIBs) have become one of the promising candidates for electrochemical energy storage that can provide low-cost and high-performance advantages. The poor cyclability and rate capability of PIBs are due to the intensive structural change of electrode materials during battery operation. Carbon-based materials as anodes have been successfully commercialized in lithium- and sodium-ion batteries but is still struggling in potassium-ion battery field. This work conducts structural engineering strategy to induce anionic defects within the carbon structures to boost the kinetics of PIBs anodes. The carbon framework provides a strong and stable structure to accommodate the volume variation of materials during cycling, and the further phosphorus doping modification is shown to enhance the rate capability. This is found due to the change of the pore size distribution, electronic structures, and hence charge storage mechanism. The optimized electrode in this work shows a high capacity of 175 mAh g-1 at a current density of 0.2 A g-1 and the enhancement of rate performance as the PIB anode (60% capacity retention with the current density increase of 50 times). This work, therefore provides a rational design for guiding future research on carbon-based anodes for PIBs.
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Affiliation(s)
- Jintao Chen
- Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Guanxu Chen
- Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Siyu Zhao
- Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Junrun Feng
- Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Ryan Wang
- Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Ivan P Parkin
- Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Guanjie He
- Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
- Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
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Xu Y, Gong H, Ren H, Fan X, Li P, Zhang T, Chang K, Wang T, He J. Highly Efficient Cu-Porphyrin-Based Metal-Organic Framework Nanosheet as Cathode for High-Rate Li-CO 2 Battery. Small 2022; 18:e2203917. [PMID: 36156850 DOI: 10.1002/smll.202203917] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/09/2022] [Indexed: 06/16/2023]
Abstract
The lithium-carbon dioxide (Li-CO2 ) battery as a novel metal-air battery has a high specific energy density and unique CO2 conversion ability. However, its further development is limited by incomplete product decomposition resulting in poor cycling and rate performance. In this work, Cu-tetra(4-carboxyphenyl) porphyrin (Cu-TCPP) nanosheets are prepared through the solvothermal method successfully. An efficient Li-CO2 battery with Cu-TCPP as catalyst achieves a high discharge capacity of 20393 mAh g-1 at 100 mA g-1 , a long-life cycle of 123 at 500 mA g-1 , and a lower overpotential of 1.8 V at 2000 mA g-1 . Density functional theory calculation reveals that Cu-TCPP has higher adsorption energy of CO2 and Li2 CO3 compared with TCPP, and a large number of electrons gather near the Cu-N4 active sites in Cu-TCPP. Therefore, the excellent CO2 capture ability of the porphyrin ligand and the synergic catalytic effect of Cu atom in Cu-TCPP promote the thermodynamics and kinetics of CO2 reduction and evolution processes.
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Affiliation(s)
- Yunyun Xu
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Hao Gong
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Hao Ren
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Xiaoli Fan
- School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing, 211167, P. R. China
| | - Peng Li
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Tengfei Zhang
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Kun Chang
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Tao Wang
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Jianping He
- Centre for Hydrogenergy, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
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5
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Lu Z, Geng C, Yang H, He P, Wu S, Yang QH, Zhou H. Step-by-step desolvation enables high-rate and ultra-stable sodium storage in hard carbon anodes. Proc Natl Acad Sci U S A 2022; 119:e2210203119. [PMID: 36161916 DOI: 10.1073/pnas.2210203119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Hard carbon is regarded as the most promising anode material for sodium-ion (Na-ion) batteries, owing to its advantages of high abundance, low cost, and low operating potential. However, the rate capability and cycle life span of hard carbon anodes are far from satisfactory, severely hindering its industrial applications. Here, we demonstrate that the desolvation process defines the Na-ion diffusion kinetics and the formation of a solid electrolyte interface (SEI). The 3A zeolite molecular sieve film on the hard carbon is proposed to develop a step-by-step desolvation pathway that effectively reduces the high activation energy of the direct desolvation process. Moreover, step-by-step desolvation yields a thin and inorganic-dominated SEI with a lower activation energy for Na+ transport. As a result, it contributes to greatly improved power density and cycling stability for both ester and ether electrolytes. When the above insights are applied, the hard carbon anode achieves the longest life span and minimum capacity fading rate at all evaluated current densities. Moreover, with the increase in current densities, an improved plateau capacity ratio is observed. This step-by-step desolvation strategy comprehensively enhances various properties of hard carbon anodes, which provides the possibility of building practical Na-ion batteries with high power density, high energy density, and durability.
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Chen C, Li S, Notten PHL, Zhang Y, Hao Q, Zhang X, Lei W. 3D Printed Lithium-Metal Full Batteries Based on a High-Performance Three-Dimensional Anode Current Collector. ACS Appl Mater Interfaces 2021; 13:24785-24794. [PMID: 34013732 DOI: 10.1021/acsami.1c03997] [Citation(s) in RCA: 4] [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] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A three-dimensional (3D) printing method has been developed for preparing a lithium anode base on 3D-structured copper mesh current collectors. Through in situ observations and computer simulations, the deposition behavior and mechanism of lithium ions in the 3D copper mesh current collector are clarified. Benefiting from the characteristics that the large pores can transport electrolyte and provide space for dendrite growth, and the small holes guide the deposition of dendrites, the 3D Cu mesh anode exhibits excellent deposition and stripping capability (50 mAh cm-2), high-rate capability (50 mA cm-2), and a long-term stable cycle (1000 h). A full lithium battery with a LiFePO4 cathode based on this anode exhibits a good cycle life. Moreover, a 3D fully printed lithium-sulfur battery with a 3D printed high-load sulfur cathode can easily charge mobile phones and light up 51 LED indicators, which indicates the great potential for the practicability of lithium-metal batteries with the characteristic of high energy densities. Most importantly, this unique and simple strategy is also able to solve the dendrite problem of other secondary metal batteries. Furthermore, this method has great potential in the continuous mass production of electrodes.
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Affiliation(s)
- Chenglong Chen
- School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei street, Xuanwu District, Nanjing City 210094, Jiangsu Province, China
| | - Shaopeng Li
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technology, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Peter H L Notten
- Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Forschungszentrum Jülich (IEK-9), D-52425 Jülich, Germany
| | - Yuehua Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226007, China
| | - Qingli Hao
- School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei street, Xuanwu District, Nanjing City 210094, Jiangsu Province, China
| | - Xiaogang Zhang
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technology, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Wu Lei
- School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei street, Xuanwu District, Nanjing City 210094, Jiangsu Province, China
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7
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Dai L, Zhong X, Zou J, Fu B, Su Y, Ren C, Wang J, Zhong G. Highly Ordered SnO 2 Nanopillar Array as Binder-Free Anodes for Long-Life and High-Rate Li-Ion Batteries. Nanomaterials (Basel) 2021; 11:nano11051307. [PMID: 34063408 PMCID: PMC8156522 DOI: 10.3390/nano11051307] [Citation(s) in RCA: 5] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/04/2021] [Accepted: 05/07/2021] [Indexed: 12/26/2022]
Abstract
SnO2, a typical transition metal oxide, is a promising conversion-type electrode material with an ultrahigh theoretical specific capacity of 1494 mAh g−1. Nevertheless, the electrochemical performance of SnO2 electrode is limited by large volumetric changes (~300%) during the charge/discharge process, leading to rapid capacity decay, poor cyclic performance, and inferior rate capability. In order to overcome these bottlenecks, we develop highly ordered SnO2 nanopillar array as binder-free anodes for LIBs, which are realized by anodic aluminum oxide-assisted pulsed laser deposition. The as-synthesized SnO2 nanopillar exhibit an ultrahigh initial specific capacity of 1082 mAh g−1 and maintain a high specific capacity of 524/313 mAh g−1 after 1100/6500 cycles, outperforming SnO2 thin film-based anodes and other reported binder-free SnO2 anodes. Moreover, SnO2 nanopillar demonstrate excellent rate performance under high current density of 64 C (1 C = 782 mA g−1), delivering a specific capacity of 278 mAh g−1, which can be restored to 670 mAh g−1 after high-rate cycling. The superior electrochemical performance of SnO2 nanoarray can be attributed to the unique architecture of SnO2, where highly ordered SnO2 nanopillar array provided adequate room for volumetric expansion and ensured structural integrity during the lithiation/delithiation process. The current study presents an effective approach to mitigate the inferior cyclic performance of SnO2-based electrodes, offering a realistic prospect for its applications as next-generation energy storage devices.
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Affiliation(s)
- Liyufen Dai
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (L.D.); (J.Z.); (B.F.); (C.R.)
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China; (X.Z.); (Y.S.); (J.W.)
| | - Xiangli Zhong
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China; (X.Z.); (Y.S.); (J.W.)
| | - Juan Zou
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (L.D.); (J.Z.); (B.F.); (C.R.)
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China; (X.Z.); (Y.S.); (J.W.)
| | - Bi Fu
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (L.D.); (J.Z.); (B.F.); (C.R.)
| | - Yong Su
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China; (X.Z.); (Y.S.); (J.W.)
| | - Chuanlai Ren
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (L.D.); (J.Z.); (B.F.); (C.R.)
| | - Jinbin Wang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China; (X.Z.); (Y.S.); (J.W.)
| | - Gaokuo Zhong
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (L.D.); (J.Z.); (B.F.); (C.R.)
- Correspondence:
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Barzegar V, Laflamme S, Hu C, Dodson J. Multi-Time Resolution Ensemble LSTMs for Enhanced Feature Extraction in High-Rate Time Series. Sensors (Basel) 2021; 21:1954. [PMID: 33802233 PMCID: PMC8001144 DOI: 10.3390/s21061954] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/03/2021] [Accepted: 03/04/2021] [Indexed: 11/17/2022]
Abstract
Systems experiencing high-rate dynamic events, termed high-rate systems, typically undergo accelerations of amplitudes higher than 100 g-force in less than 10 ms. Examples include adaptive airbag deployment systems, hypersonic vehicles, and active blast mitigation systems. Given their critical functions, accurate and fast modeling tools are necessary for ensuring the target performance. However, the unique characteristics of these systems, which consist of (1) large uncertainties in the external loads, (2) high levels of non-stationarities and heavy disturbances, and (3) unmodeled dynamics generated from changes in system configurations, in combination with the fast-changing environments, limit the applicability of physical modeling tools. In this paper, a deep learning algorithm is used to model high-rate systems and predict their response measurements. It consists of an ensemble of short-sequence long short-term memory (LSTM) cells which are concurrently trained. To empower multi-step ahead predictions, a multi-rate sampler is designed to individually select the input space of each LSTM cell based on local dynamics extracted using the embedding theorem. The proposed algorithm is validated on experimental data obtained from a high-rate system. Results showed that the use of the multi-rate sampler yields better feature extraction from non-stationary time series compared with a more heuristic method, resulting in significant improvement in step ahead prediction accuracy and horizon. The lean and efficient architecture of the algorithm results in an average computing time of 25 μμs, which is below the maximum prediction horizon, therefore demonstrating the algorithm's promise in real-time high-rate applications.
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Affiliation(s)
- Vahid Barzegar
- Department of Civil, Construction, and Environmental Engineering, Iowa State University, 813 Bissell Road, Ames, IA 50011, USA;
| | - Simon Laflamme
- Department of Civil, Construction, and Environmental Engineering, Iowa State University, 813 Bissell Road, Ames, IA 50011, USA;
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA;
| | - Chao Hu
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA;
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
| | - Jacob Dodson
- Air Force Research Laboratory, Munitions Directorate, Fuzes Branch, Eglin Air Force Base, FL 32542, USA;
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Eftaxias A, Georgiou D, Diamantis V, Aivasidis A. Performance of an anaerobic plug-flow reactor treating agro-industrial wastes supplemented with lipids at high organic loading rate. Waste Manag Res 2021; 39:508-515. [PMID: 33583354 DOI: 10.1177/0734242x21991898] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study evaluated the performance of a plug-flow reactor (PFR) for high-rate anaerobic co-digestion of complex agro-industrial wastes and used cooking oil or animal fat. The PFR was successfully operated up to an organic loading rate (OLR) of 21 g L-1 d-1, yielding biogas at 0.35 L g-1 chemical oxygen demand (COD) influent. During the study period, supernatant COD at the PFR effluent remained between 4 and 7 g L-1, with negligible volatile fatty acids' concentrations (<500 mg L-1) and no presence of foaming incidents. The biomass concentration inside the PFR, expressed as total suspended solids, remained between 30 and 60 g L-1. Moreover, the above-mentioned anaerobic digestion technology has been currently scaled-up at 50 m3 PFR, while a full-scale facility of 240 kW-el is under construction in the region of north-eastern Greece.
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Affiliation(s)
- Alexandros Eftaxias
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Xanthi, Greece
| | | | - Vasileios Diamantis
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Xanthi, Greece
| | - Alexandros Aivasidis
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Xanthi, Greece
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Ma Z, Zhao Z, Xu H, Sun J, He X, Lei Z, Liu ZH, Jiang R, Li Q. A Queue-Ordered Layered Mn-Based Oxides with Al Substitution as High-Rate and High-Stabilized Cathode for Sodium-Ion Batteries. Small 2021; 17:e2006259. [PMID: 33470525 DOI: 10.1002/smll.202006259] [Citation(s) in RCA: 5] [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] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 01/01/2021] [Indexed: 06/12/2023]
Abstract
Development of highly stabilized and reversible cathode materials has become a great challenge for sodium-ion batteries. O'3-type layered Mn-based oxides have deserved much attention as one of largely reversible-capacity cathodes featured by the resource-rich and low-toxic elements. However, the fragile slabs structure of typical layered oxides, low Mn-ion migration barriers, and Jahn-Teller distortion of Mn3+ have easily resulted in the severe degradation of cyclability and rate performances. Herein, a new queue-ordered superstructure is built up in the O'3-NaMn0.6 Al0.4 O2 cathode material. Through the light-metal Al substitution in O'3-NaMnO2 , the MnO6 and AlO6 octahedrons display the queue-ordered arrangements in the transition metal (TM) slabs. Interestingly, the presence of this superstructure can strengthen the layered structure, reduce the influence from Jahn-Teller effect, and suppress the TM-ions migrations during long-terms cycles. These characteristics results in O'3-NaMn0.6 Al0.4 O2 cathode deliver a high capacity of 160 mAh g-1 , an enhanced rate capability and the excellent cycling performance. This research strategy can provide the broaden insight for future electrode materials with high-performance sodium-ions storage.
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Affiliation(s)
- Zelin Ma
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zeqin Zhao
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Hanxue Xu
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jie Sun
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Xuexia He
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zhibin Lei
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zong-Huai Liu
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Ruibin Jiang
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Qi Li
- Ministry of Education Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University, Xi'an, 710062, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
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11
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Wu Z, Adekoya D, Huang X, Kiefel MJ, Xie J, Xu W, Zhang Q, Zhu D, Zhang S. Highly Conductive Two-Dimensional Metal-Organic Frameworks for Resilient Lithium Storage with Superb Rate Capability. ACS Nano 2020; 14:12016-12026. [PMID: 32833424 DOI: 10.1021/acsnano.0c05200] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Redox-active organic cathode materials have drawn growing attention because of the broad availability of raw materials, eco-friendliness, scalable production, and diverse structural flexibility. However, organic materials commonly suffer from fragile stability in organic solvents, poor electrochemical stability in charge/discharge processes, and insufficient electrical conductivity. To address these issues, using Cu(II) salt and benzenehexathiolate (BHT) as the precursors, we synthesized a robust and redox-active 2D metal-organic framework (MOF), [Cu3(C6S6)]n, namely, Cu-BHT. The Cu-BHT MOFs have a highly conjugated structure, affording a high electronic conductivity of 231 S cm-1, which could further be increased upon lithiation in lithium-ion battery (LIB) applications. A reversible four-electron reaction reveals the Li storage mechanism of the Cu-BHT for a theoretical capacity of 236 mAh g-1. The as-prepared Cu-BHT cathode delivers an excellent reversible capacity of 175 mAh g-1 with ultralow capacity deterioration (0.048% per cycle) upon 500 cycles at a high current density of 300 mA g-1. Therefore, we believe this work would provide a practical strategy for the development of high-power energy storage materials.
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Affiliation(s)
- Zhenzhen Wu
- Centre for Clean Environment and Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Brisbane, Queensland 4222, Australia
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - David Adekoya
- Centre for Clean Environment and Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Brisbane, Queensland 4222, Australia
| | - Xing Huang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Milton J Kiefel
- Institute for Glycomics, Gold Coast Campus, Griffith University, Brisbane, Queensland 4222, Australia
| | - Jian Xie
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou, China
| | - Wei Xu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Qichun Zhang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong S.A.R., China
| | - Daoben Zhu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shanqing Zhang
- Centre for Clean Environment and Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Brisbane, Queensland 4222, Australia
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12
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Zhou J, Zhang W, Zhao H, Tian J, Zhu Z, Lin N, Qian Y. Growth of Bouquet-like Zn 2GeO 4 Crystal Clusters in Molten Salt and Understanding the Fast Na-Storage Properties. ACS Appl Mater Interfaces 2019; 11:22371-22379. [PMID: 31149799 DOI: 10.1021/acsami.9b05003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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
The exploration of high-performance anode materials is imperative for the development of sodium-ion batteries (SIBs). Herein, a molten-salt-assisted approach is developed to prepare crystallized Zn2GeO4 clusters constructed by interconnected nanorods, and the Na-ion storage mechanism is studied systemically through in situ X-ray diffraction, ex situ X-ray photoelectron spectroscopy, and high-resolution transmission microscopy associated with galvanostatic intermittent titration technique. The Zn2GeO4 anode undergoes conversion reactions followed by the alloying reaction. The large channel in the Zn2GeO4 crystal structure ensures insertion of sodium ions. The amorphous transformation during the initial discharge process increases the active site for the fast electrochemical reaction. As the anode for SIBs, the Zn2GeO4 cluster exhibits good rate capability with a capacity retention of 111.1 mA h g-1 at 20 A g-1 in half cells and 118.9 mA h g-1 at 2 A g-1 in full cells, associated with a capacity of 184.2 mA h g-1 at 0.5 A g-1 after 500 cycles. The ex situ scanning electron microscopy images of the electrode material disclose that the hierarchical structure can accommodate the volume variation of Zn2GeO4 during discharge/charge cycling, facilitating long cycling stability. The investigation of Zn2GeO4 provides new insight for the development of high-rate anode materials for SIBs.
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Affiliation(s)
| | | | | | - Jie Tian
- Experimental Center of Engineering and Material Science , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China
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13
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Holland A, McKerracher R, Cruden A, Wills R. Electrochemically Treated TiO₂ for Enhanced Performance in Aqueous Al-Ion Batteries. Materials (Basel) 2018; 11:E2090. [PMID: 30366411 PMCID: PMC6266705 DOI: 10.3390/ma11112090] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 10/15/2018] [Accepted: 10/23/2018] [Indexed: 11/16/2022]
Abstract
The potential for low cost, environmentally friendly and high rate energy storage has led to the study of anatase-TiO₂ as an electrode material in aqueous Al3+ electrolytes. This paper describes the improved performance from an electrochemically treated composite TiO₂ electrode for use in aqueous Al-ion batteries. After application of the cathodic electrochemical treatment in 1 mol/dm³ KOH, Mott⁻Schottky analysis showed the treated electrode as having an increased electron density and an altered open circuit potential, which remained stable throughout cycling. The cathodic treatment also resulted in a change in colour of TiO₂. Treated-TiO₂ demonstrated improved capacity, coulombic efficiency and stability when galvanostatically cycled in 1 mol·dm-3AlCl₃/1 mol·dm-3 KCl. A treated-TiO₂ electrode produced a capacity of 15.3 mA·h·g-1 with 99.95% coulombic efficiency at the high specific current of 10 A/g. Additionally, X-ray diffraction, scanning electron microscopy and X-ray photoelectron spectroscopy were employed to elucidate the origin of this improved performance.
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Affiliation(s)
- Alexander Holland
- Energy Technology Research Group, University of Southampton, Southampton SO17 1BJ, UK.
| | - Rachel McKerracher
- Energy Technology Research Group, University of Southampton, Southampton SO17 1BJ, UK.
| | - Andrew Cruden
- Energy Technology Research Group, University of Southampton, Southampton SO17 1BJ, UK.
| | - Richard Wills
- Energy Technology Research Group, University of Southampton, Southampton SO17 1BJ, UK.
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14
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Du CF, Liang Q, Zheng Y, Luo Y, Mao H, Yan Q. Porous MXene Frameworks Support Pyrite Nanodots toward High-Rate Pseudocapacitive Li/Na-Ion Storage. ACS Appl Mater Interfaces 2018; 10:33779-33784. [PMID: 30264987 DOI: 10.1021/acsami.8b13750] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Presented are the novel Ti3C2 T x MXene-based nanohybrid that decorated by pyrite nanodots on its surface (denoted as FeS2@MXene). The nanohybrid was obtained by the one-step sulfurization of self-assembled iron hydroxide@MXene precursor. When used for Li/Na-ion storage, the FeS2@MXene nanohybrid present excellent rate capabilities. Particularly, for Li-ion storage, an elevated reversible specific capacity of 762 mAh g-1 at 10 A g-1 after 1000 cycles was achieved. And for Na-ion storage, the FeS2@MXene nanohybrid also delivering a reversible specific capacity of 563 mAh g-1 after 100 cycles at a current density of 0.1 A g-1.
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Affiliation(s)
- Cheng-Feng Du
- State Key Laboratory of Solidification Processing, Center of Advanced Lubrication and Seal Materials , Northwestern Polytechnical University , Xi'an , Shaanxi 710072 , P.R. China
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Qinghua Liang
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Yun Zheng
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Yubo Luo
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Hui Mao
- College of Chemistry and Materials Science , Sichuan Normal University , Chengdu 610068 , P.R. China
| | - Qingyu Yan
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
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15
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Tang C, Wei X, Cai X, An Q, Hu P, Sheng J, Zhu J, Chou S, Wu L, Mai L. ZnSe Microsphere/Multiwalled Carbon Nanotube Composites as High-Rate and Long-Life Anodes for Sodium-Ion Batteries. ACS Appl Mater Interfaces 2018; 10:19626-19632. [PMID: 29756759 DOI: 10.1021/acsami.8b02819] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Sodium-ion batteries (SIBs) are considered as one of the most favorable alternative devices for sustainable development of modern society. However, it is still a big challenge to search for proper anode materials which have excellent cycling and rate performance. Here, zinc selenide microsphere and multiwalled carbon nanotube (ZnSe/MWCNT) composites are prepared via hydrothermal reaction and following grinding process. The performance of ZnSe/MWCNT composites as a SIB anode is studied for the first time. As a result, ZnSe/MWCNTs exhibit excellent rate capacity and superior cycling life. The capacity retains as high as 382 mA h g-1 after 180 cycles even at a current density of 0.5 A g-1. The initial Coulombic efficiency of ZnSe/MWCNTs can reach 88% and nearby 100% in the following cycles. The superior electrochemical properties are attributed to continuous electron transport pathway, improved electrical conductivity, and excellent stress relaxation.
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Affiliation(s)
- Chunjuan Tang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
- Department of Mathematics and Physics , Luoyang Institute of Science and Technology , Luoyang 471023 , P. R. China
| | - Xiujuan Wei
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Xinyin Cai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Qinyou An
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Ping Hu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Jinzhi Sheng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Jiexin Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Shulei Chou
- Institute for Superconducting and Electronic Materials , University of Wollongong , Innovation Campus Squires Way , North Wollongong , New South Wales 2522 , Australia
| | - Liming Wu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
| | - Liqiang Mai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Luoshi Road 122 , Wuhan 430070 , P. R. China
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16
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Hong J, Laflamme S, Dodson J, Joyce B. Introduction to State Estimation of High-Rate System Dynamics. Sensors (Basel) 2018; 18:E217. [PMID: 29342855 DOI: 10.3390/s18010217] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 01/04/2018] [Accepted: 01/09/2018] [Indexed: 11/17/2022]
Abstract
Engineering systems experiencing high-rate dynamic events, including airbags, debris detection, and active blast protection systems, could benefit from real-time observability for enhanced performance. However, the task of high-rate state estimation is challenging, in particular for real-time applications where the rate of the observer’s convergence needs to be in the microsecond range. This paper identifies the challenges of state estimation of high-rate systems and discusses the fundamental characteristics of high-rate systems. A survey of applications and methods for estimators that have the potential to produce accurate estimations for a complex system experiencing highly dynamic events is presented. It is argued that adaptive observers are important to this research. In particular, adaptive data-driven observers are advantageous due to their adaptability and lack of dependence on the system model.
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17
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Xiao X, Yu H, Jin H, Wu M, Fang Y, Sun J, Hu Z, Li T, Wu J, Huang L, Gogotsi Y, Zhou J. Salt-Templated Synthesis of 2D Metallic MoN and Other Nitrides. ACS Nano 2017; 11:2180-2186. [PMID: 28157328 DOI: 10.1021/acsnano.6b08534] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Two-dimensional (2D) transition-metal nitrides just recently entered the research arena, but already offer a potential for high-rate energy storage, which is needed for portable/wearable electronics and many other applications. However, a lack of efficient and high-yield synthesis methods for 2D metal nitrides has been a major bottleneck for the manufacturing of those potentially very important materials, and only MoN, Ti4N3, and GaN have been reported so far. Here we report a scalable method that uses reduction of 2D hexagonal oxides in ammonia to produce 2D nitrides, such as MoN. MoN nanosheets with subnanometer thickness have been studied in depth. Both theoretical calculation and experiments demonstrate the metallic nature of 2D MoN. The hydrophilic restacked 2D MoN film exhibits a very high volumetric capacitance of 928 F cm-3 in sulfuric acid electrolyte with an excellent rate performance. We expect that the synthesis of metallic 2D MoN and two other nitrides (W2N and V2N) demonstrated here will provide an efficient way to expand the family of 2D materials and add many members with attractive properties.
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Affiliation(s)
- Xu Xiao
- Department of Materials Science and Engineering and A. J. Drexel Nanomaterials Institute, Drexel University , Philadelphia, Pennsylvania 19104, United States
| | | | | | | | | | | | | | | | | | | | - Yury Gogotsi
- Department of Materials Science and Engineering and A. J. Drexel Nanomaterials Institute, Drexel University , Philadelphia, Pennsylvania 19104, United States
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18
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Zhu S, Li Q, Wei Q, Sun R, Liu X, An Q, Mai L. NiSe 2 Nanooctahedra as an Anode Material for High-Rate and Long-Life Sodium-Ion Battery. ACS Appl Mater Interfaces 2017; 9:311-316. [PMID: 27936550 DOI: 10.1021/acsami.6b10143] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [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
In this article, we report NiSe2 nanooctahedra as a promising anode material for sodium-ion batteries (SIBs). They exhibit outstanding long-term cyclic stability (313 mAh/g after 4000 cycles at 5 A/g) and excellent high-rate capability (175 mAh/g at 20 A/g). Besides, the initial Coulombic efficiency of NiSe2 is also very impressive (over 90%). Such remarkable performances are attributed to good conductivity, structural stability, and the pseudocapacitive behavior of the NiSe2. Furthermore, the sodium ion storage mechanism of NiSe2 is first investigated by in situ XRD and ex situ XRD. These highlights give NiSe2 a competitive strength for rechargeable SIBs.
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Affiliation(s)
- Shaohua Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
| | - Qidong Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
| | - Qiulong Wei
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
| | - Ruimin Sun
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
| | - Xiaoqing Liu
- Center of Materials Research and Testing, Wuhan University of Technology , Wuhan 430070, China
| | - Qinyou An
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
| | - Liqiang Mai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, China
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19
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Yin YB, Xu JJ, Liu QC, Zhang XB. Macroporous Interconnected Hollow Carbon Nanofibers Inspired by Golden-Toad Eggs toward a Binder-Free, High-Rate, and Flexible Electrode. Adv Mater 2016; 28:7494-500. [PMID: 27348717 DOI: 10.1002/adma.201600012] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 05/03/2016] [Indexed: 05/18/2023]
Abstract
Inspired by the favorable structure and shape of golden-toad eggs, a self-standing macroporous active carbon fiber electrode is designed and fabricated via a facile and scalable strategy. After being decorated with ruthenium oxide, it endows Li-O2 batteries with superior electrochemical performances.
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Affiliation(s)
- Yan-Bin Yin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials Ministry of Education and College of Materials Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Qing-Chao Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials Ministry of Education and College of Materials Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.
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20
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Dirlam PT, Park J, Simmonds AG, Domanik K, Arrington CB, Schaefer JL, Oleshko VP, Kleine TS, Char K, Glass RS, Soles CL, Kim C, Pinna N, Sung YE, Pyun J. Elemental Sulfur and Molybdenum Disulfide Composites for Li-S Batteries with Long Cycle Life and High-Rate Capability. ACS Appl Mater Interfaces 2016; 8:13437-13448. [PMID: 27171646 DOI: 10.1021/acsami.6b03200] [Citation(s) in RCA: 30] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The practical implementation of Li-S technology has been hindered by short cycle life and poor rate capability owing to deleterious effects resulting from the varied solubilities of different Li polysulfide redox products. Here, we report the preparation and utilization of composites with a sulfur-rich matrix and molybdenum disulfide (MoS2) particulate inclusions as Li-S cathode materials with the capability to mitigate the dissolution of the Li polysulfide redox products via the MoS2 inclusions acting as "polysulfide anchors". In situ composite formation was completed via a facile, one-pot method with commercially available starting materials. The composites were afforded by first dispersing MoS2 directly in liquid elemental sulfur (S8) with sequential polymerization of the sulfur phase via thermal ring opening polymerization or copolymerization via inverse vulcanization. For the practical utility of this system to be highlighted, it was demonstrated that the composite formation methodology was amenable to larger scale processes with composites easily prepared in 100 g batches. Cathodes fabricated with the high sulfur content composites as the active material afforded Li-S cells that exhibited extended cycle lifetimes of up to 1000 cycles with low capacity decay (0.07% per cycle) and demonstrated exceptional rate capability with the delivery of reversible capacity up to 500 mAh/g at 5 C.
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Affiliation(s)
- Philip T Dirlam
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
| | - Jungjin Park
- School of Chemical and Biological Engineering, The Program of Chemical Convergence for Energy and Environment, The National CRI Center for Intelligent Hybrids, and Center for Nanoparticle Research, Institute for Basic Research (IBS), Seoul National University , Seoul 151-744, Korea
| | - Adam G Simmonds
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
| | - Kenneth Domanik
- Lunar and Planetary Laboratory, University of Arizona , Tucson, Arizona 85721, United States
| | - Clay B Arrington
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
| | - Jennifer L Schaefer
- Materials Science and Engineering Division, Materials Measurement Laboratory, National Institute of Standards and Technology , Gaithersburg, Maryland 20899, United States
- Department of Chemical & Biomolecular Engineering, University of Notre Dame , Notre Dame, Indiana 46556, United States
| | - Vladimir P Oleshko
- Materials Science and Engineering Division, Materials Measurement Laboratory, National Institute of Standards and Technology , Gaithersburg, Maryland 20899, United States
| | - Tristan S Kleine
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
| | - Kookheon Char
- School of Chemical and Biological Engineering, The Program of Chemical Convergence for Energy and Environment, The National CRI Center for Intelligent Hybrids, and Center for Nanoparticle Research, Institute for Basic Research (IBS), Seoul National University , Seoul 151-744, Korea
| | - Richard S Glass
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
| | - Christopher L Soles
- Materials Science and Engineering Division, Materials Measurement Laboratory, National Institute of Standards and Technology , Gaithersburg, Maryland 20899, United States
| | - Chunjoong Kim
- School of Materials Science and Engineering, Chungnam National University (CNU) , Daejeon 350-764, Republic of Korea
| | - Nicola Pinna
- Institut für Chemie, Humboldt-Universität zu Berlin , Berlin 12489, Germany
| | - Yung-Eun Sung
- School of Chemical and Biological Engineering, The Program of Chemical Convergence for Energy and Environment, The National CRI Center for Intelligent Hybrids, and Center for Nanoparticle Research, Institute for Basic Research (IBS), Seoul National University , Seoul 151-744, Korea
| | - Jeffrey Pyun
- Department of Chemistry and Biochemistry, University of Arizona , Tucson, Arizona 85721, United States
- School of Chemical and Biological Engineering, The Program of Chemical Convergence for Energy and Environment, The National CRI Center for Intelligent Hybrids, and Center for Nanoparticle Research, Institute for Basic Research (IBS), Seoul National University , Seoul 151-744, Korea
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21
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Zhu Y, Peng L, Chen D, Yu G. Intercalation Pseudocapacitance in Ultrathin VOPO4 Nanosheets: Toward High-Rate Alkali-Ion-Based Electrochemical Energy Storage. Nano Lett 2016; 16:742-7. [PMID: 26672409 DOI: 10.1021/acs.nanolett.5b04610] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
There is a growing need for energy storage devices in numerous applications where a large amount of energy needs to be either stored or delivered quickly. The present paper details the study of alkali-ion intercalation pseudocapacitance in ultrathin VOPO4 nanosheets, which hold promise in high-rate alkali-ion based electrochemical energy storage. Starting from bulk VOPO4·2H2O chunks, VOPO4 nanosheets were obtained through simple ultrasonication in 2-propanol. These nanosheets as the cathode exhibit a specific capacity of 154 and 136 mAh/g (close to theoretical value 166 mAh/g) for lithium and sodium storage devices at 0.1 C and 100 and ∼70 mAh/g at 5 C, demonstrating their high rate capability. Moreover, the capacity retention is maintained at 90% for lithium ion storage and 73% for sodium ion storage after 500 cycles, showing their reasonable stability. The demonstrated alkali-ion intercalation pseudocapacitance represents a promising direction for developing battery materials with promising high rate capability.
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Affiliation(s)
- Yue Zhu
- Materials Science and Engineering Program, Department of Mechanical Engineering, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Lele Peng
- Materials Science and Engineering Program, Department of Mechanical Engineering, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Dahong Chen
- Materials Science and Engineering Program, Department of Mechanical Engineering, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Guihua Yu
- Materials Science and Engineering Program, Department of Mechanical Engineering, The University of Texas at Austin , Austin, Texas 78712, United States
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Abstract
Developing electrode materials with high rate as well as prolonged cycle is particularly necessary for the ever-growing market penetration of electric vehicles and hybrid electric vehicle. Herein, we demonstrate a facile and efficient strategy to synthesize MnO/C hybrid via freeze-drying followed by thermal treatment in N2 atmosphere. The MnO nanosheets are firmly anchored onto carbon layers to form MnO/C hybrid. When used as an anode in lithium-ion batteries, the typical MnO/C hybrid displays a high initial Coulombic efficiency of 83.1% and delivers a high capacity of 1449.8 mAh g(-1) after 100 cycles at 0.3 A g(-1). Furthermore, the typical MnO/C hybrid can still maintain significantly high capacity of 1467.0 mAh g(-1) after 2000 cycles at 5 A g(-1), which may be the best performance reported so far for MnO-based materials. The superior electrochemical performance of the MnO/C hybrid may be attributed to its unique microstructure features such as effective conductive pathway of carbon sheets, firm connection between MnO and carbon sheets, and small-sized MnO.
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Affiliation(s)
- Ying Xiao
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Minhua Cao
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, P. R. China
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23
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Zhang L, Li N, Wu B, Xu H, Wang L, Yang XQ, Wu F. Sphere-shaped hierarchical cathode with enhanced growth of nanocrystal planes for high-rate and cycling-stable li-ion batteries. Nano Lett 2015; 15:656-661. [PMID: 25513887 DOI: 10.1021/nl5041594] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
High-energy and high-power Li-ion batteries have been intensively pursued as power sources in electronic vehicles and renewable energy storage systems in smart grids. With this purpose, developing high-performance cathode materials is urgently needed. Here we report an easy and versatile strategy to fabricate high-rate and cycling-stable hierarchical sphered cathode Li(1.2)Ni(0.13)Mn(0.54)Co(0.13)O2, by using an ionic interfusion method. The sphere-shaped hierarchical cathode is assembled with primary nanoplates with enhanced growth of nanocrystal planes in favor of Li(+) intercalation/deintercalation, such as (010), (100), and (110) planes. This material with such unique structural features exhibits outstanding rate capability, cyclability, and high discharge capacities, achieving around 70% (175 mAh g(-1)) of the capacity at 0.1 C rate within about 2.1 min of ultrafast charging. Such cathode is feasible to construct high-energy and high-power Li-ion batteries.
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Affiliation(s)
- Linjing Zhang
- School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing Key Laboratory of Environmental Science and Engineering , Beijing 100081, People's Republic of China
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