1
|
Yuan Y, Ren J, Xue H, Li J, Tang F, Guo X, Lu X. Electronic Properties of CrB/Co 2CO 2 Superlattices by Multiple Descriptor-Based Machine Learning Combined with First-Principles. SMALL METHODS 2024; 8:e2301415. [PMID: 38507722 DOI: 10.1002/smtd.202301415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 03/03/2024] [Indexed: 03/22/2024]
Abstract
In recent times, newly unveiled 2D materials exhibiting exceptional characteristics, such as MBenes and MXenes, have gained widespread application across diverse domains, encompassing electronic devices, catalysis, energy storage, sensors, and various others. Nonetheless, numerous technical bottlenecks persist in the development of high-performance, structurally flexible, and adjustable electronic device materials. Research investigations have demonstrated that 2D van der Waals superlattices (vdW SLs) structures comprising materials exhibit exceptional electrical, mechanical, and optical properties. In this work, the advantages of both materials are combined and compose the vdW SLs structure of MBenes and MXenes, thus obtaining materials with excellent electronic properties. Furthermore, it integrates machine learning (ML) with first-principles methods to forecast the electrical properties of MBene/MXene superlattice materials. Initially, various configurations of MBene/MXene superlattice materials are explored, revealing that distinct stacking methods exert significant influence on the electronic structure of MBene/MXene materials. Specifically, the BABA-type stacking of CrB (layer A) and Co2CO2 MXene (layer B) is most stable configureation. Subsequently, multiple descriptors of the structure are constructed to predict the density of states of vdW SLs through the employment of ML techniques. The best model achieves a mean absolute error (MAE) as low as 0.147 eV.
Collapse
Affiliation(s)
- Yuanyuan Yuan
- 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
| | - Junqiang Ren
- 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
| | - Hongtao Xue
- 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
| | - Junchen Li
- 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
| | - Fuling Tang
- 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
| | - Xin Guo
- 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
| | - 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
| |
Collapse
|
2
|
Kong X, Zong X, Lei Z, Wang Z, Zhao Y, Zhao X, Zhang J, Liu Z, Ren Y, Wu L, Zhang M, He F, Yang P. A Universal In-Situ Interfacial Growth Strategy for Various MXene-Based van der Waals Heterostructures with Uniform Heterointerfaces: The Efficient Conversion from 3D Composite to 2D Heterostructures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2405174. [PMID: 39072996 DOI: 10.1002/smll.202405174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/16/2024] [Indexed: 07/30/2024]
Abstract
Two-dimensional (2D) van der Waals heterostructures endow individual 2D material with the novel functional structures, intriguing compositions, and fantastic interfaces, which efficiently provide a feasible route to overcome the intrinsic limitations of single 2D components and embrace the distinct features of different materials. However, the construction of 2D heterostructures with uniform heterointerfaces still poses significant challenges. Herein, a universal in-situ interfacial growth strategy is designed to controllably prepare a series of MXene-based tin selenides/sulfides with 2D van der Waals homogeneous heterostructures. Molten salt etching by-products that are usually recognized as undesirable impurities, are reasonably utilized by us to efficiently transform into different 2D nanostructures via in-situ interfacial growth. The obtained MXene-based 2D heterostructures present sandwiched structures and lamellar interlacing networks with uniform heterointerfaces, which demonstrate the efficient conversion from 3D composite to 2D heterostructures. Such 2D heterostructures significantly enhance charge transfer efficiency, chemical reversibility, and overall structural stability in the electrochemical process. Taking 2D-SnSe2/MXene anode as a representative, it delivers outstanding lithium storage performance with large reversible capacities and ultrahigh capacity retention of over 97% after numerous cycles at 0.2, 1.0, and 10.0 A g-1 current density, which suggests its tremendous application potential in lithium-ion batteries.
Collapse
Affiliation(s)
- Xianglong Kong
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Xiaohang Zong
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Zijin Lei
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Zicong Wang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Ying Zhao
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Xudong Zhao
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Junming Zhang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Zhiliang Liu
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Yueming Ren
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Linzhi Wu
- College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Milin Zhang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Fei He
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Piaoping Yang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| |
Collapse
|
3
|
Li L, Gao W, Wan Z, Wan X, Ye J, Gao J, Wen D. Confining N-Doped Carbon Dots into PtNi Aerogels Skeleton for Robust Electrocatalytic Methanol Oxidation and Oxygen Reduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400158. [PMID: 38415969 DOI: 10.1002/smll.202400158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/05/2024] [Indexed: 02/29/2024]
Abstract
Noble metallic aerogels with the self-supported hierarchical structure and remarkable activity are promising for methanol fuel cells, but are limited by the severe poisoning and degradation of active sites during electrocatalysis. Herein, the highly stable electrocatalyst of N-doped carbon dots-PtNi (NCDs-PtNi) aerogels is proposed by confining NCDs with alloyed PtNi for methanol oxidation and oxygen reduction reactions. Comprehensive electrocatalytic measurements and theoretical investigations suggest the improvement in structure stability and regulation in electronic structure for better electrocatalytic durability when confining NCDs with PtNi aerogels. Notably, the NCDs-PtNi aerogels perform 12-fold higher activity than that of Pt/C and maintain 52% of their initial activity after 5000 cycles toward acidic methanol oxidation. The enhanced stability and activity of NCDs-PtNi aerogels are also evident for oxygen reduction reactions in different electrolytes. These results highlight the effectiveness of stabilizing metallic aerogels with NCDs, offering a feasible pathway to develop robust electrocatalysts for fuel cells.
Collapse
Affiliation(s)
- Lanqing Li
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Chongqing Innovation Center, Northwestern Polytechnical University, Chongqing, 401135, P. R. China
- School of Materials Science and Engineering, Hubei University of Automotive Technology, Shiyan, 442002, P. R. China
| | - Wei Gao
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- Chongqing Innovation Center, Northwestern Polytechnical University, Chongqing, 401135, P. R. China
| | - Ziqi Wan
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Xinhao Wan
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Jianqi Ye
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Jie Gao
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Dan Wen
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| |
Collapse
|
4
|
Li H, Wang Y, Chen S, Peng F, Gao F. Boosting Electrochemical Reduction of Nitrate to Ammonia by Constructing Nitrate-Favored Active Cu-B Sites on SnS 2. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308182. [PMID: 38308386 DOI: 10.1002/smll.202308182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/13/2024] [Indexed: 02/04/2024]
Abstract
The electrochemical reduction of nitrate to ammonia is an effective method for mitigating nitrate pollution and generating ammonia. To design superior electrocatalysts, it is essential to construct a reaction site with high activity. Herein, a simple two-step method is applied to in situ reduce amorphous copper over boron-doped SnS2 nanosheets(denoted as aCu@B-SnS2-x. DFT calculations reveal the combination of amorphous copper and B-doping strategy can construct Cu-B active twins and introduce sulfur vacancies on the surface of the inert SnS2, the active twins can efficiently adsorb nitrate and forcibly separate oxygen atoms from nitrate under the assistance of the exposed Sn atom, leading to strong nitrate adsorption. Benefiting from this, aCu@B-SnS2-x exhibited an ultrahigh NH3 FE of 94.6% at -0.67 V versus RHE and the highest NH3 yield rate of 0.55 mmol h-1 mg-1 cat (9350 µg h-1 mg-1 cat) at -0.77 V versus RHE under alkaline conditions. Besides, aCu@B-SnS2-x is confirmed to remain active after various stability tests, suggesting the practicality of utilizing aCu@B-SnS2-x in industrial applications. This work highlights the feasibility of enhanced nitrate-to-ammonia conversion efficiency by combining the doping method and amorphous metal.
Collapse
Affiliation(s)
- Heen Li
- Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Yuanzhe Wang
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Ecological Utilization, Tianjin University of Science & Technology, Tianjin, 300222, P. R. China
| | - Shuheng Chen
- Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Fei Peng
- Analyses and Testing Center, Hebei Normal University of Science and Technology, Qinhuangdao, 066000, P. R. China
| | - Faming Gao
- Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao, 066004, P. R. China
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Ecological Utilization, Tianjin University of Science & Technology, Tianjin, 300222, P. R. China
| |
Collapse
|
5
|
Guo S, Ma M, Wang Y, Wang J, Jiang Y, Duan R, Lei Z, Wang S, He Y, Liu Z. Spatially Confined Microcells: A Path toward TMD Catalyst Design. Chem Rev 2024; 124:6952-7006. [PMID: 38748433 DOI: 10.1021/acs.chemrev.3c00711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
With the ability to maximize the exposure of nearly all active sites to reactions, two-dimensional transition metal dichalcogenide (TMD) has become a fascinating new class of materials for electrocatalysis. Recently, electrochemical microcells have been developed, and their unique spatial-confined capability enables understanding of catalytic behaviors at a single material level, significantly promoting this field. This Review provides an overview of the recent progress in microcell-based TMD electrocatalyst studies. We first introduced the structural characteristics of TMD materials and discussed their site engineering strategies for electrocatalysis. Later, we comprehensively described two distinct types of microcells: the window-confined on-chip electrochemical microcell (OCEM) and the droplet-confined scanning electrochemical cell microscopy (SECCM). Their setups, working principles, and instrumentation were elucidated in detail, respectively. Furthermore, we summarized recent advances of OCEM and SECCM obtained in TMD catalysts, such as active site identification and imaging, site monitoring, modulation of charge injection and transport, and electrostatic field gating. Finally, we discussed the current challenges and provided personal perspectives on electrochemical microcell research.
Collapse
Affiliation(s)
- Shasha Guo
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Mingyu Ma
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637616, Singapore
| | - Yuqing Wang
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Jinbo Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yubin Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Ruihuan Duan
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
| | - Zhendong Lei
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Shuangyin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yongmin He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zheng Liu
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
- Institute for Functional Intelligent Materials, National University of Singapore, 117544, Singapore
| |
Collapse
|
6
|
Ding W, Xia Y, Song H, Li T, Yang D, Dong A. Macroscopic Superlattice Membranes Self-Assembled from Gold Nanobipyramids with Precisely Tunable Tip Arrangements for SERS. Angew Chem Int Ed Engl 2024; 63:e202401945. [PMID: 38527964 DOI: 10.1002/anie.202401945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 03/27/2024]
Abstract
A persistent challenge in utilizing Au nanocrystals for surface-enhanced Raman spectroscopy (SERS) lies in achieving controllable superstructures that maximize SERS performance. Here, a novel strategy is proposed to enhance the SERS performance by precisely adjusting the tip arrangements of Au nanobipyramids (BPs) in two-dimensional (2D) superlattices (SLs). This is achieved through ligand-exchange of Au BPs, followed by liquid-air interfacial assembly, resulting in large-area, transferrable SL membranes. The key to controlling the arrangement of Au BPs in the SLs is the regulation of the amount of free ligands added during self-assembly, which allows for the precise formation of various configurations such as tilted SLs, tip-on-tip SLs, and tip-to-tip SLs. Among these configurations, tip-on-tip SLs exhibit the highest enhancement factor for SERS, reaching an impressive value of 1.95×108, with uniform and consistent SERS signals across a large area. The experimental findings are further corroborated by simulations using the finite element method. This study establishes an efficient method for engineering the microstructure of 2D SLs composed of Au BPs, highlighting the importance of fine-tuning the tip arrangements of Au BPs to regulate SERS performance.
Collapse
Affiliation(s)
- Weikun Ding
- State Key Laboratory of Molecule Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, 200438, China
| | - Yan Xia
- State Key Laboratory of Molecule Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, 200438, China
| | - Hengyao Song
- State Key Laboratory of Molecule Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, 200438, China
| | - Tongtao Li
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, China
| | - Dong Yang
- State Key Laboratory of Molecule Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, 200438, China
| | - Angang Dong
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, China
| |
Collapse
|
7
|
Gao B, Cheng Q, Du X, Ding S, Xiao C, Wang J, Song Z, Jang HW. Identifying the Active Sites in MoSi 2@MoO 3 Heterojunctions for Enhanced Hydrogen Evolution. SMALL METHODS 2024:e2301542. [PMID: 38602282 DOI: 10.1002/smtd.202301542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 04/02/2024] [Indexed: 04/12/2024]
Abstract
Developing Two-dimensional (2D) Mo-based heterogeneous nanomaterials is of great significance for energy conversion, especially in alkaline hydrogen evolution reaction (HER), however, it remains a challenge to identify the active sites at the interface due to the structure complexity. Herein, the real active sites are systematically explored during the HER process in varied Mo-based 2D materials by theoretical computational and magnetron sputtering approaches first to filtrate the candidates, then successfully combined the MoSi2 and MoO3 together through Oxygen doping to construct heterojunctions. Benefiting from the synergistic effects between the MoSi2 and MoO3, the obtained MoSi2@MoO3 exhibits an unprecedented overpotential of 72 mV at a current density of 10 mA cm-2. Density functional theory calculations uncover the different Gibbs free energy of hydrogen adsorption (ΔGH*) values achieved at the interfaces with different sites as adsorption sites. The results can facilitate the optimization of heterojunction electrocatalyst design principles for the Mo-based 2D materials.
Collapse
Affiliation(s)
- Bo Gao
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong, 266525, China
- Key Lab of Industrial Fluid Energy Conservation and Pollution Control (Qingdao University of Technology), Ministry of Education, Qingdao, Shandong, 266525, China
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Qiuping Cheng
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xiaoye Du
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Shujiang Ding
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Chunhui Xiao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Jin Wang
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong, 266525, China
| | - Zhongxiao Song
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| |
Collapse
|
8
|
Wang Z, Li T, Wang Q. Plasma-Engineered CeO x Nanosheet Array with Nitrogen-Doping and Porous Architecture for Efficient Electrocatalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:185. [PMID: 38251149 PMCID: PMC10821299 DOI: 10.3390/nano14020185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/23/2024]
Abstract
Surface engineering has been proved efficient and universally applicable in improving the performance of CeO2 in various fields. However, previous approaches have typically required high-temperature calcination or tedious procedures, which makes discovery of a moderate and facile modification approach for CeO2 an attractive subject. In this paper, porous CeO2 nanosheets with effective nitrogen-doping were synthesized via a low-temperature NH3/Ar plasma treatment and exhibited boosted hydrogen evolution reaction performance with low overpotential (65 mV) and long-term stability. The mechanism of the elevated performance was investigated by introducing Ar-plasma-treated CeO2 with no nitrogen-doping as the control group, which revealed the dominant role of nitrogen-doping by providing abundant active sites and improving charge transfer characteristics. This work illuminates further investigations into the surface engineering methodologies boosted by plasma and the relative mechanism of the structure-activity relationship.
Collapse
Affiliation(s)
| | | | - Qi Wang
- Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials of Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, China; (Z.W.); (T.L.)
| |
Collapse
|
9
|
Liu Y, Qin L, Tan G, Guo Y, Fan Y, Song N, Zhou P, Yan CH, Tang Y. Titanium-Based Superlattice with Fe(III)-Regulable Bandgap and Performance for Optimal and Synergistic Sonodynamic-Chemotherapy Guided by Magnetic Resonance Imaging. Angew Chem Int Ed Engl 2023; 62:e202313165. [PMID: 37828621 DOI: 10.1002/anie.202313165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/08/2023] [Accepted: 10/12/2023] [Indexed: 10/14/2023]
Abstract
Superlattices have considerable potential as sonosensitizers for cancer therapy because of their flexible and tunable band gaps, although they have not yet been reported. In this study, a Ti-based organic-inorganic superlattice with good electron-hole separation was synthesized, which consisted of orderly layered superlattices of 2,2'-bipyridine-5,5'-dicarboxylic acid (BPDC) and Ti-O layers. In addition, the superlattice was coordinated with Fe(III) and encapsulated doxorubicin (DOX) to prepare Ti-BPDC@Fe@DOX@PEG (TFDP) after biocompatibility modification. TFDP can realize the simultaneous generation of reactive oxygen species and release of DOX under ultrasound irradiation. Moreover, adjusting the Fe(III) content can effectively modulate the band gap of the superlattice and increase the efficiency of sonodynamic therapy (SDT). The mechanisms underlying this modulation were explored. TFDP with Fe(III) can also be used as a contrast agent for magnetic resonance imaging (MRI). Both in vitro and in vivo experiments demonstrated the ability of TFDP to precisely treat cancer using MRI-guided SDT/chemotherapy. This study expands the applications of superlattices as sonosensitizers with flexible and tailored modifications and indicates that superlattices are promising for precise and customized treatments.
Collapse
Affiliation(s)
- Yanjun Liu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Liying Qin
- School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Guoying Tan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yanan Guo
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yifan Fan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Nan Song
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Ping Zhou
- School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Chun-Hua Yan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yu Tang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
- State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization, Baotou Research Institute of Rare Earths, Baotou, 014030, P. R. China
| |
Collapse
|
10
|
Chen B, Sui S, He F, He C, Cheng HM, Qiao SZ, Hu W, Zhao N. Interfacial engineering of transition metal dichalcogenide/carbon heterostructures for electrochemical energy applications. Chem Soc Rev 2023; 52:7802-7847. [PMID: 37869994 DOI: 10.1039/d3cs00445g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
To support the global goal of carbon neutrality, numerous efforts have been devoted to the advancement of electrochemical energy conversion (EEC) and electrochemical energy storage (EES) technologies. For these technologies, transition metal dichalcogenide/carbon (TMDC/C) heterostructures have emerged as promising candidates for both electrode materials and electrocatalysts over the past decade, due to their complementary advantages. It is worth noting that interfacial properties play a crucial role in establishing the overall electrochemical characteristics of TMDC/C heterostructures. However, despite the significant scientific contribution in this area, a systematic understanding of TMDC/C heterostructures' interfacial engineering is currently lacking. This literature review aims to focus on three types of interfacial engineering, namely interfacial orientation engineering, interfacial stacking engineering, and interfacial doping engineering, of TMDC/C heterostructures for their potential applications in EES and EEC devices. To accomplish this goal, a combination of experimental and theoretical approaches was used to allow the analysis and summary of the fundamental electrochemical properties and preparation strategies of TMDC/C heterostructures. Moreover, this review highlights the design and utilization of the interfacial engineering of TMDC/C heterostructures for specific EES and EEC devices. Finally, the challenges and opportunities of using interfacial engineering of TMDC/C heterostructures in practical EES and EEC devices are outlined. We expect that this review will effectively guide readers in their understanding, design, and application of interfacial engineering of TMDC/C heterostructures.
Collapse
Affiliation(s)
- Biao Chen
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
- National Industry-Education Platform of Energy Storage, Tianjin University, 135 Yaguan Road, Tianjin 300350, People's Republic of China
| | - Simi Sui
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
- Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300401, People's Republic of China
| | - Fang He
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
| | - Chunnian He
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
- National Industry-Education Platform of Energy Storage, Tianjin University, 135 Yaguan Road, Tianjin 300350, People's Republic of China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, People's Republic of China
| | - Hui-Ming Cheng
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, People's Republic of China
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China
| | - Shi-Zhang Qiao
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, South Australia, 5005, Australia.
| | - Wenbin Hu
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
- National Industry-Education Platform of Energy Storage, Tianjin University, 135 Yaguan Road, Tianjin 300350, People's Republic of China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, People's Republic of China
| | - Naiqin Zhao
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin, 300350, People's Republic of China.
- National Industry-Education Platform of Energy Storage, Tianjin University, 135 Yaguan Road, Tianjin 300350, People's Republic of China
| |
Collapse
|
11
|
Yang X, Ouyang B, Zhao L, Shen Q, Chen G, Sun Y, Li C, Xu K. Ultrathin Rh Nanosheets with Rich Grain Boundaries for Efficient Hydrogen Oxidation Electrocatalysis. J Am Chem Soc 2023. [PMID: 37949810 DOI: 10.1021/jacs.3c10465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Two-dimensional (2D) Pt-group ultrathin nanosheets (NSs) are promising advanced electrocatalysts for energy-related catalytic reactions. However, improving the electrocatalytic activity of 2D Pt-group NSs through the addition of abundant grain boundaries (GBs) and understanding the underlying formation mechanism remain significant challenges. Herein, we report the controllable synthesis of a series of Rh-based nanocrystals (e.g., Rh nanoparticles, Rh NSs, and Rh NSs with GBs) through a CO-mediated kinetic control synthesis route. In light of the 2D NSs' structural advantages and GB modification, the Rh NSs with rich GBs exhibit an enhanced electrocatalytic activity compared to pure Rh NSs and commercial Pt/C toward the hydrogen oxidation reaction (HOR) in alkaline media. Both experimental results and theoretical computations corroborate that the GBs in the Rh NSs have the capacity to ameliorate the adsorption free energy of reaction intermediates during the HOR, thus resulting in outstanding HOR catalytic performance. Our work offers novel perspectives in the realm of developing sophisticated 2D Pt-group metal electrocatalysts with rich GBs for the energy conversion field.
Collapse
Affiliation(s)
- Xiaodong Yang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China
| | - Bo Ouyang
- MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
| | - Lei Zhao
- School of Chemistry and Chemical Engineering, Key Laboratory of Functional Inorganic Material Chemistry of Anhui Province, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, People's Republic of China
| | - Qi Shen
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China
| | - Guozhu Chen
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China
| | - Yiqiang Sun
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China
| | - Cuncheng Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China
| | - Kun Xu
- School of Chemistry and Chemical Engineering, Key Laboratory of Functional Inorganic Material Chemistry of Anhui Province, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei 230601, People's Republic of China
| |
Collapse
|
12
|
Pang J, Jin W, Kuang X, Lu C. Interlayer electronic coupling regulates the performance of FeN MXenes and Fe 2B 2 MBenes as high-performance Li- and Al-ion batteries. NANOSCALE 2023; 15:16715-16726. [PMID: 37796057 DOI: 10.1039/d3nr04100j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
When two-dimensional (2D) materials are stacked into van der Waals structures, interlayer electronic coupling can induce excellent properties in energy storage materials. Here, we investigate the interlayer coupling of the FeN/Fe2B2 heterojunction as an anode material, which is constructed using vertically planar FeN and puckered Fe2B2 nanosheets. These structures were searched by the CALYPSO method and computed by density functional theory calculations. The stabilities of the FeN monolayer, Fe2B2 monolayer, and FeN/Fe2B2 heterojunction were tested in terms of dynamics, mechanics, and thermodynamics, respectively. These structures have good performances as anode materials, including the capacities of the FeN (Fe2B2) monolayer of 9207 mA h g-1 (2713 mA h g-1) and 3069 mA h g-1 (1005 mA h g-1) for Al and Li, respectively. The stable FeN/Fe2B2 heterojunction shows extremely low diffusion barriers of 0.01 eV, a high Al ion capacity of 4254 mA h g-1, and relatively low voltages. Hess's law revealed that the interlayer electronic coupling impacts the adsorption process of the FeN layer in the FeN/Fe2B2 heterojunction, which decreases the pz orbital of the N atom for the heterojunction. The unequal distribution of electrons between the layers results in interlayer polarization; the value of interlayer polarization was quantitatively calculated to be 0.64 pC m-1. The presence of adsorbed Li and Al atoms between the layers helps maintain the original structure and prevents the interlayer sliding from damaging the heterojunction. These findings offer insights for understanding the structural and electronic properties of the FeN/Fe2B2 heterojunction, which provides crucial information for rational design and advanced synthesis of novel electrode materials.
Collapse
Affiliation(s)
- Jiafei Pang
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu, 610065, P. R. China.
| | - Wenyuan Jin
- Institute of Physics, Henan Academy of Sciences, Zhengzhou 450046, P. R. China
| | - Xiaoyu Kuang
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu, 610065, P. R. China.
| | - Cheng Lu
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan, 430074, P. R. China.
| |
Collapse
|
13
|
Dong X, Peng C, Zhao X, Zhang T, Liu Y, Xu G, Zhou J, Guo F, Yu Z, Jia X. Self-assembled c-oriented Ni(OH) 2 films for enhanced electrocatalytic activity towards the urea oxidation reaction. RSC Adv 2023; 13:29625-29631. [PMID: 37822661 PMCID: PMC10562896 DOI: 10.1039/d3ra05538h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/22/2023] [Indexed: 10/13/2023] Open
Abstract
This study investigates the electrocatalytic properties of the transparent c-oriented Ni(OH)2 films self-assembled from colloidal 2D Ni(OH)2 nanosheets for urea oxidation. The synthesis process yields highly uniform close-packed superlattices with a dominant c-axis orientation. The self-assembled c-oriented Ni(OH)2 films exhibit advantageous electrocatalytic performance in urea oxidation, presenting significantly lower overpotentials and higher current densities compared to randomly distributed Ni(OH)2 particles. In-depth in situ impedance analysis and Raman spectroscopy demonstrate that the c-oriented Ni(OH)2 films possess a higher propensity for a Ni valence transition from +2 to +3 during the urea oxidation process. This finding provides crucial insights into the catalytic behavior and electronic transformations of c-oriented Ni(OH)2 films, shedding light on their superior electrocatalytic activity for urea oxidation. Overall, this study advances our understanding of urea electrooxidation mechanisms and contributes to the design of efficient urea electrocatalysts.
Collapse
Affiliation(s)
- Xinwei Dong
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Chen Peng
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Xu Zhao
- School of Computer Science and Technology, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Tao Zhang
- School of Computer Science and Technology, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Yansheng Liu
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Guoxiao Xu
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Jin Zhou
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Fei Guo
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Zhiqiang Yu
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| | - Xiaobo Jia
- School of Electronic Engineering, Liuzhou Key Laboratory of New Energy Vehicle Power Lithium Battery, Guangxi University of Science and Technology Liuzhou 545006 Guangxi China
| |
Collapse
|
14
|
Guo YT, Yi SS. Recent Advances in the Preparation and Application of Two-Dimensional Nanomaterials. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5798. [PMID: 37687495 PMCID: PMC10488888 DOI: 10.3390/ma16175798] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
Two-dimensional nanomaterials (2D NMs), consisting of atoms or a near-atomic thickness with infinite transverse dimensions, possess unique structures, excellent physical properties, and tunable surface chemistry. They exhibit significant potential for development in the fields of sensing, renewable energy, and catalysis. This paper presents a comprehensive overview of the latest research findings on the preparation and application of 2D NMs. First, the article introduces the common synthesis methods of 2D NMs from both "top-down" and "bottom-up" perspectives, including mechanical exfoliation, ultrasonic-assisted liquid-phase exfoliation, ion intercalation, chemical vapor deposition, and hydrothermal techniques. In terms of the applications of 2D NMs, this study focuses on their potential in gas sensing, lithium-ion batteries, photodetection, electromagnetic wave absorption, photocatalysis, and electrocatalysis. Additionally, based on existing research, the article looks forward to the future development trends and possible challenges of 2D NMs. The significance of this work lies in its systematic summary of the recent advancements in the preparation methods and applications of 2D NMs.
Collapse
Affiliation(s)
| | - Sha-Sha Yi
- College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;
| |
Collapse
|
15
|
Xing F, Ji G, Li Z, Zhong W, Wang F, Liu Z, Xin W, Tian J. Preparation, properties and applications of two-dimensional superlattices. MATERIALS HORIZONS 2023; 10:722-744. [PMID: 36562255 DOI: 10.1039/d2mh01206e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
As a combination concept of a 2D material and a superlattice, two-dimensional superlattices (2DSs) have attracted increasing attention recently. The natural advantages of 2D materials in their properties, dimension, diversity and compatibility, and their gradually improved technologies for preparation and device fabrication serve as solid foundations for the development of 2DSs. Compared with the existing 2D materials and even their heterostructures, 2DSs relate to more materials and elaborate architectures, leading to novel systems with more degrees of freedom to modulate material properties at the nanoscale. Here, three typical types of 2DSs, including the component, strain-induced and moiré superlattices, are reviewed. The preparation methods, properties and state-of-the-art applications of each type are summarized. An outlook of the challenges and future developments is also presented. We hope that this work can provide a reference for the development of 2DS-related research.
Collapse
Affiliation(s)
- Fei Xing
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255049, China
| | - Guangmin Ji
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255049, China
| | - Zongwen Li
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255049, China
| | - Weiheng Zhong
- Key Laboratory of UV-Emitting Materials and Technology, Ministry of Education, Northeast Normal University, Changchun, 130024, China.
| | - Feiyue Wang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, 510275, China
| | - Zhibo Liu
- Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics Institute and School of Physics, Nankai University, Tianjin, 300071, China.
| | - Wei Xin
- Key Laboratory of UV-Emitting Materials and Technology, Ministry of Education, Northeast Normal University, Changchun, 130024, China.
| | - Jianguo Tian
- Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics Institute and School of Physics, Nankai University, Tianjin, 300071, China.
| |
Collapse
|
16
|
Yang X, Jia J, Sun L, Huang G, Zhou J, Liao R, Wu Z, Yu L, Wang Z. Regeneration of Activated Sludge into SiO 2-Decorated Heteroatom-Doped Porous Carbon as Advanced Electrodes for Li-S Batteries. ACS APPLIED MATERIALS & INTERFACES 2023; 15:10660-10669. [PMID: 36799939 DOI: 10.1021/acsami.2c20895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The regeneration of harmful activated sludge into an energy source is an important strategy for municipal sludge treatment and recycling. Herein, SiO2-modified N,S auto-doped porous carbon (NSC@SiO2) with high conductivity (70 S m-1) is successfully obtained through a simple calcination method of the activated sludge from wastewater treatment. Further, P-doped NSC@SiO2 (NSPC@SiO2) is designed to achieve a higher surface area (891 m2 g-1 vs 624 m2 g-1), a larger pore volume (0.87 cm3 g-1 vs 0.08 cm3 g-1), and more carbon defects. Due to its special structure, NSPC@SiO2 is used as a sulfur host of lithium-sulfur batteries. The results of polysulfide adsorption experiments, S 2p X-ray photoelectron spectra (XPS), Li2S nucleation experiments, polysulfide symmetric cells, measurement of the galvanostatic intermittent titration (GITT), polarization voltage difference, lithium-ion diffusion rate, and Tafel slope verified that NSPC@SiO2 greatly improved the adsorption capacity of polysulfides, lowered the barrier to Li2S formation and the internal resistances of cells, and accelerated Li+ ion diffusion and the reaction kinetics of polysulfide conversion, resulting in the excellent performance of polysulfide capture and superior rate performance and cyclic stability. By comparing NSPC@SiO2 with NSC@SiO2, a higher initial capacity (1377 mAh g-1 vs 1150 mAh g-1 at 0.1C), better rate capacity (912 mAh g-1 vs 719 mAh g-1 at 2C), and low capacity decay (0.094% per cycle within 200 cycles) are obtained. Our work provides direction for the treatment, disposal, and resource utilization of activated sludge.
Collapse
Affiliation(s)
- Xiongzhi Yang
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Jinzhu Jia
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Linghao Sun
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Guangsheng Huang
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Junli Zhou
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Jieyang 515200, China
| | - Ruanming Liao
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Zhonghui Wu
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Lin Yu
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institution, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
| | - Zhenbo Wang
- Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China
| |
Collapse
|