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Huang T, Xue X, Zhang Y, Cui M, Zhang Y, Chen L, Xiao B, Qi J, Sui Y. High-Capacity and Ultra-Long-Life Mg-Metal Batteries Enabled by Intercalation-Conversion Hybrid Cathode Materials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2404898. [PMID: 39101284 DOI: 10.1002/smll.202404898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 07/19/2024] [Indexed: 08/06/2024]
Abstract
The advancement of rechargeable Mg-metal batteries (RMBs) is severely impeded by the lack of suitable cathode materials. Despite the good cyclic stability of intercalation-type compounds, their specific capacity is relatively low. Conversely, the conversion-type cathodes can deliver a higher capacity but often suffer from poor cycling reversibility and stability. Herein, a WSe2/Se intercalation-conversion hybrid material with elemental Se uniformly distributed into WSe2 nanosheets is fabricated via a simple solvothermal method for high-performance RMBs. The uniformly introduced Se confined in WSe2 nanosheets can not only efficiently improve the conductivity of the hybrid cathodes, facilitating the fast electron transport and ion diffusion, but also provide additional specific capacity. Besides, the WSe2 can effectively inhibit the detrimental Se dissolution and polyselenide shuttle, thereby activating the activity of Se and improving its utilization. Consequently, the synergy of intercalation and conversion mechanisms endows WSe2/Se hybrids with superior reversible capacity of 252 mAh g-1 at 0.1 A g-1 and ultra-long cyclability of up to 5000 cycles at 2.0 A g-1 with capacity retention of 78.1%. This work demonstrates the feasibility of the strategy by integrating intercalation and conversion mechanisms for developing high-performance cathode materials for RMBs.
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Affiliation(s)
- Tianlong Huang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Xiaolan Xue
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Yang Zhang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Maosheng Cui
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Yuanxiang Zhang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Lingxiu Chen
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Bin Xiao
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Jiqiu Qi
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
| | - Yanwei Sui
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
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Du K, Liu Y, Zhao Y, Li H, Liu H, Sun C, Han M, Ma T, Hu Y. High-Entropy Prussian Blue Analogues Enable Lattice Respiration for Ultrastable Aqueous Aluminum-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2404172. [PMID: 38734973 DOI: 10.1002/adma.202404172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/26/2024] [Indexed: 05/13/2024]
Abstract
Aqueous aluminum ion batteries (AAIBs) hold significant potential for grid-scale energy storage owing to their intrinsic safety, high theoretical capacity, and abundance of aluminum. However, the strong electrostatic interactions and delayed charge compensation between high-charge-density aluminum ions and the fixed lattice in conventional cathodes impede the development of high-performance AAIBs. To address this issue, this work introduces, for the first time, high-entropy Prussian blue analogs (HEPBAs) as cathodes in AAIBs with unique lattice tolerance and efficient multipath electron transfer. Benefiting from the intrinsic long-range disorder and robust lattice strain field, HEPBAs enable the manifestation of the lattice respiration effect and minimize lattice volume changes, thereby achieving one of the best long-term stabilities (91.2% capacity retention after 10 000 cycles at 5.0 A g-1) in AAIBs. Additionally, the interaction between the diverse metal atoms generates a broadened d-band and reduced degeneracy compared with conventional Prussian blue and its analogs (PBAs), which enhances the electron transfer efficiency with one of the best rate performance (79.2 mAh g-1 at 5.0 A g-1) in AAIBs. Furthermore, exceptional element selectivity in HEPBAs with unique cocktail effect can facile tune electrochemical behavior. Overall, the newly developed HEPBAs with a high-entropy effect exhibit promising solutions for advancing AAIBs and multivalent-ion batteries.
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Affiliation(s)
- Kai Du
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Yujie Liu
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Yiqi Zhao
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Hui Li
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Hexiong Liu
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Chunhao Sun
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Mingshan Han
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Yuxiang Hu
- Key Laboratory of Advanced Functional Materials of Education Ministry of China, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
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Liu B, Li Y, Zhang H, Wang S, Song H, Yuan C, Yin X, Lu Z, Hu J, Xie J, Cao Y. Structure and Defect Engineering of V 3S 4-xSe x Quantum Dots Confined in a Nitrogen-Doped Carbon Framework for High-Performance Sodium-Ion Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307771. [PMID: 38155151 DOI: 10.1002/smll.202307771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/11/2023] [Indexed: 12/30/2023]
Abstract
Constructing quantum dot-scale metal sulfides with defects and strongly coupled with carbon is significant for advanced sodium-ion batteries (SIBs). Herein, Se substituted V3S4 quantum dots with anionic defects confined in nitrogen-doped carbon matrix (V3S4-xSex/NC) are fabricated. Introducing element Se into V3S4 crystal expands the interlayer distance of V3S4, and triggers anionic defects, which can facilitate Na+ diffusions and act as active sites for Na+ storage. Meanwhile, the quantum dots tightly encapsulated by conductive carbon framework improve the stability and conductivity of the electrode. Theoretical calculations also unveil that the presence of Se enhances the conductivity and Na+ adsorption ability of V3S4-xSex. These properties contribute to the V3S4-xSex/NC with high specific capacity of 447 mAh g-1 at 0.2 A g-1, and prominent rate and cyclic performance with 504 mAh g-1 after 1000 cycles at 10 A g-1. The sodium-ion hybrid capacitors (SIHCs) with V3S4-xSex/NC anode and activated carbon cathode can achieve high energy/power density (maximum 144 Wh kg-1/5960 W kg-1), capacity retention ratio of 71% after 4000 cycles at 2 A g-1. This work not only synthesizes V3S4-xSex/NC, but also provides a promising opportunity for designing quantum dots and utilizing defects to improve the electrochemical properties.
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Affiliation(s)
- Baolin Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Yizhao Li
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, Zhejiang, 313001, P. R. China
| | - Hongyu Zhang
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Shiqiang Wang
- School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, Liaoning, 111003, P. R. China
| | - Huijun Song
- Center for Electron Microscopy, Institute for Frontier and Interdisciplinary Sciences, State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology and College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, P. R. China
| | - Chun Yuan
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Xinxin Yin
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Zhenjiang Lu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Jindou Hu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Jing Xie
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Yali Cao
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
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4
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Nandi S, Pumera M. Transition metal dichalcogenide-based materials for rechargeable aluminum-ion batteries: A mini-review. CHEMSUSCHEM 2024; 17:e202301434. [PMID: 38212248 DOI: 10.1002/cssc.202301434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/07/2024] [Accepted: 01/11/2024] [Indexed: 01/13/2024]
Abstract
Rechargeable aluminum-ion batteries (AIBs) have emerged as a promising candidate for energy storage applications and have been extensively investigated over the past few years. Due to their high theoretical capacity, nature of abundance, and high safety, AIBs can be considered an alternative to lithium-ion batteries. However, the electrochemical performance of AIBs for large-scale applications is still limited due to the poor selection of cathode materials. Transition metal dichalcogenides (TMDs) have been regarded as appropriate cathode materials for AIBs due to their wide layer spacing, large surface area, and distinct physiochemical characteristics. This mini-review provides a succinct summary of recent research progress on TMD-based cathode materials in non-aqueous AIBs. The latest developments in the benefits of utilizing 3D-printed electrodes for AIBs are also explored.
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Affiliation(s)
- Sunny Nandi
- New Technologies - Research Centre, University of West Bohemia, Univerzitní 8, Plzeň, 30614, Czech Republic
| | - Martin Pumera
- New Technologies - Research Centre, University of West Bohemia, Univerzitní 8, Plzeň, 30614, Czech Republic
- Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, Brno, CZ, 616 00, Czech Republic
- Energy Research Institute @ NTU (ERI@N), Research Techno Plaza, X-Frontier Block, Nanyang Technological University, 50 Nanyang Drive, Singapore, 03722, Singapore
- Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800, Ostrava, Czech Republic
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Gu M, Rao AM, Zhou J, Lu B. Molecular modulation strategies for two-dimensional transition metal dichalcogenide-based high-performance electrodes for metal-ion batteries. Chem Sci 2024; 15:2323-2350. [PMID: 38362439 PMCID: PMC10866370 DOI: 10.1039/d3sc05768b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/02/2024] [Indexed: 02/17/2024] Open
Abstract
In the past few decades, great efforts have been made to develop advanced transition metal dichalcogenide (TMD) materials as metal-ion battery electrodes. However, due to existing conversion reactions, they still suffer from structural aggregation and restacking, unsatisfactory cycling reversibility, and limited ion storage dynamics during electrochemical cycling. To address these issues, extensive research has focused on molecular modulation strategies to optimize the physical and chemical properties of TMDs, including phase engineering, defect engineering, interlayer spacing expansion, heteroatom doping, alloy engineering, and bond modulation. A timely summary of these strategies can help deepen the understanding of their basic mechanisms and serve as a reference for future research. This review provides a comprehensive summary of recent advances in molecular modulation strategies for TMDs. A series of challenges and opportunities in the research field are also outlined. The basic mechanisms of different modulation strategies and their specific influences on the electrochemical performance of TMDs are highlighted.
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Affiliation(s)
- Mingyuan Gu
- School of Physics and Electronics, Hunan University Changsha P. R. China
| | - Apparao M Rao
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University Clemson SC 29634 USA
| | - Jiang Zhou
- School of Materials Science and Engineering, Central South University Changsha 410083 P. R. China
| | - Bingan Lu
- School of Physics and Electronics, Hunan University Changsha P. R. China
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Kang R, Zhang D, Du Y, Sun C, Zhou W, Wang H, Wan J, Chen G, Zhang J. Configurational Entropy Strategy Enhanced Structure Stability Achieves Robust Cathode for Aluminum Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305998. [PMID: 37726243 DOI: 10.1002/smll.202305998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/30/2023] [Indexed: 09/21/2023]
Abstract
Rechargeable aluminum batteries (RABs) are an emerging energy storage device owing to the vast Al resources, low cost, and high safety. However, the poor cyclability and inferior reversible capacity of cathode materials have limited the enhancement of RABs performance. Herein, a high configurational entropy strategy is presented to improve the electrochemical properties of RABs for the first time. The high-entropy (Fe, Mn, Ni, Zn, Mg)3 O4 cathode exhibits an ultra-stable cycling ability (109 mAh g-1 after 3000 cycles), high specific capacity (268 mAh g-1 at 0.5 A g-1 ), and rapid ion diffusion. Ex situ characterizations indicate that the operational mechanism of (Fe, Mn, Ni, Zn, Mg)3 O4 cathode is mainly based on the redox process of Fe, Mn, and Ni. Theoretical calculations demonstrate that the oxygen vacancies make a positive contribution to adjusting the distribution of electronic states, which is crucial for enhancing the reaction kinetics at the electrolyte and cathode interface. These findings not only propose a promising cathode material for RABs, but also provide the first elucidation of the operational mechanism and intrinsic information of high-entropy electrodes in multivalent ion batteries.
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Affiliation(s)
- Rongkai Kang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Dongmei Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Yiqun Du
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Chenyi Sun
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Wei Zhou
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Han Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Jiaqi Wan
- School of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Guowen Chen
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Jianxin Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
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Hu E, Jia BE, Zhu Q, Xu J, Loh XJ, Chen J, Pan H, Yan Q. Engineering High Voltage Aqueous Aluminum-Ion Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2309252. [PMID: 38217311 DOI: 10.1002/smll.202309252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/14/2023] [Indexed: 01/15/2024]
Abstract
The energy transition to renewables necessitates innovative storage solutions beyond the capacities of lithium-ion batteries. Aluminum-ion batteries (AIBs), particularly their aqueous variants (AAIBs), have emerged as potential successors due to their abundant resources, electrochemical advantages, and eco-friendliness. However, they grapple with achieving their theoretical voltage potential, often yielding less than expected. This perspective article provides a comprehensive examination of the voltage challenges faced by AAIBs, attributing gaps to factors such as the aluminum reduction potential, hydrogen evolution reaction, and aluminum's inherent passivation. Through a critical exploration of methodologies, strategies, such as underpotential deposition, alloying, interface enhancements, tailored electrolyte compositions, and advanced cathode design, are proposed. This piece seeks to guide researchers in harnessing the full potential of AAIBs in the global energy storage landscape.
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Affiliation(s)
- Erhai Hu
- Energy Research Institute @ NTU, Nanyang Technological University, Singapore, 637141, Singapore
| | - Bei-Er Jia
- School of Material Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Qiang Zhu
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore, 138634, Singapore
| | - Jianwei Xu
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), Singapore, 627833, Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore, 138634, Singapore
| | - Jian Chen
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, China
| | - Hongge Pan
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, China
| | - Qingyu Yan
- Energy Research Institute @ NTU, Nanyang Technological University, Singapore, 637141, Singapore
- School of Material Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore, 138634, Singapore
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Guan W, Gu B, Tu J, Wang Z, Zhang P, Meng L, Jiao S. Stable Low-Temperature Al Batteries Enabled by Integrating Polydopamine-Derived N-Doped Carbon Nanospheres With Flake Graphite. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2303836. [PMID: 37670221 DOI: 10.1002/smll.202303836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/20/2023] [Indexed: 09/07/2023]
Abstract
The battery performance declines significantly in severely cold areas, especially discharge capacity and cycle life, which is the most significant pain point for new energy consumers. To address this issue and improve the low-temperature characteristic of aluminum-ion batteries, in this work, polydopamine-derived N-doped carbon nanospheres are utilized to modify the most promising graphite material. More active sites are introduced into graphite, more ion transport channels are provided, and improved ionic conductivity is achieved in a low-temperature environment. Due to the synergistic effect of the three factors, the ion diffusion resistance is significantly reduced and the diffusion coefficient of aluminum complex ions in the active material become larger at low temperatures. Therefore, the battery delivers an improved capacity retention rate from 23% to 60% at -20 °C and excellent ultra-long cycling stability over 5500 cycles at -10 °C. This provides a novel strategy for constructing low-temperature aluminum-ion batteries with high energy density, which is conducive to promoting the practicality of aluminum-ion batteries.
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Affiliation(s)
- Wei Guan
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Bojun Gu
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Jiguo Tu
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Zhe Wang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Ping Zhang
- School of Materials Science and Engineering, Sichuan University, Chengdu, 610064, P. R. China
| | - Long Meng
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shuqiang Jiao
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
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Wang Y, Zhang T, Zheng X, Tian X, Yuan S. Enhancing Energy Storage via Confining Sulfite Anions onto Iron Oxide/Poly(3,4-Ethylenedioxythiophene) Heterointerface. ACS APPLIED MATERIALS & INTERFACES 2023; 15:59413-59421. [PMID: 38102077 DOI: 10.1021/acsami.3c13148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Multiple oxidation-state metal oxide has presented a promising charge storage capability for aqueous supercapacitors (SCs); however, the ion insert/deinsert behavior in the bulk phase generally gives a sluggish reaction kinetic and considerable volume effect. Herein, iron oxide/poly(3,4-ethylenedioxythiophene) (Fe2O3/PEDOT) heterointerface was constructed and enabled boosted Faradaic pseudocapacitance by dual-ion-involved redox reactions in Na2SO3 electrolytes. The Fe2O3/PEDOT interface served as a "bridge" to couple electrode and anion SO32- and exhibited a strong force and stable bonding with SO32-, thus providing an additional Faradaic charge storage contribution for SCs. Significantly, the PEDOT-capsulated Fe2O3 nanorod array (Fe2O3@PEDOT) electrode presented a specific capacitance of 338 mF cm-2 at 1 mA cm-2 with 1 M Na2SO3 electrolyte, which was twice that of the pristine Fe2O3 nanorod electrode. The boosted interfaced Faradaic reaction of SO32- partially hindered the intercalation of Na+ in the Fe2O3 bulk phase, efficiently favoring the electrochemical stability.
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Affiliation(s)
- Yuan Wang
- Low-Carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Tao Zhang
- College of Architecture & Environment, Sichuan University, Chengdu 610065, China
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, SAR 999077, China
| | - Xuelian Zheng
- Low-Carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Xiaobao Tian
- College of Architecture & Environment, Sichuan University, Chengdu 610065, China
| | - Shaojun Yuan
- Low-Carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
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Li L, Ma Y, Cui F, Li Y, Yu D, Lian X, Hu Y, Li H, Peng S. Novel Insight into Rechargeable Aluminum Batteries with Promising Selenium Sulfide@Carbon Nanofibers Cathode. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209628. [PMID: 36480021 DOI: 10.1002/adma.202209628] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/30/2022] [Indexed: 06/17/2023]
Abstract
Due to the unique electronic structure of aluminum ions (Al3+ ) with strong Coulombic interaction and complex bonding situation (simultaneously covalent/ionic bonds), traditional electrodes, mismatching with the bonding orbital of Al3+ , usually exhibit slow kinetic process with inferior rechargeable aluminum batteries (RABs) performance. Herein, to break the confinement of the interaction mismatch between Al3+ and the electrode, a previously unexplored Se2.9 S5.1 -based cathode with sufficient valence electronic energy overlap with Al3+ and easily accessible structure is potentially developed. Through this new strategy, Se2.9 S5.1 encapsulated in multichannel carbon nanofibers with free-standing structure exhibits a high capacity of 606 mAh g-1 at 50 mA g-1 , high rate-capacity (211 mAh g-1 at 2.0 A g-1 ), robust stability (187 mAh g-1 at 0.5 A g-1 after 3,000 cycles), and enhanced flexibility. Simultaneously, in/ex-situ characterizations also reveal the unexplored mechanism of Sex Sy in RABs.
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Affiliation(s)
- Linlin Li
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Yanchen Ma
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Fangyan Cui
- Key Laboratory of Advanced Functional Materials, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Yan Li
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Deshuang Yu
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Xintong Lian
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Yuxiang Hu
- Key Laboratory of Advanced Functional Materials, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Hongyi Li
- Key Laboratory of Advanced Functional Materials, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Shengjie Peng
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
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