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Wang Y, Yue B, Wang Y, Wang J, Ma Q, Liu G, Yu W, Dong X. CeO 2/Co heterostructure encapsulated in hollow necklace-like carbon fiber as an advanced host material for high-performance lithium-sulfur batteries. J Colloid Interface Sci 2024; 669:83-94. [PMID: 38705115 DOI: 10.1016/j.jcis.2024.04.229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/24/2024] [Accepted: 04/30/2024] [Indexed: 05/07/2024]
Abstract
The shuttle effect of lithium polysulfides (LiPSs) and the sluggish reaction kinetics of LiPSs conversion pose serious challenges to the commercial feasibility of lithium-sulfur (Li-S) batteries. To address these obstacles, herein, we construct CeO2/Co heterostructures in hollow necklace-like carbon fibers (CeO2/Co-CNFs) as the cathode host material for Li-S batteries. The specific surface area of fibers is significantly enhanced by using a template, thereby promoting the utilization efficiency of sulfur. Meanwhile, CeO2/Co-CNFs show strong conductivity, effective adsorption to LiPSs, and robust catalytic activity for LiPSs conversion. As a result, the Li-S battery with CeO2/Co-CNFs displays 961 mAh g-1 at 0.2 C, with an 86 % capacity retention rate after 100 cycles. At 2.0 C current density, the composite cathode maintains an initial discharge capacity of 782 mAh g-1, with a mere 0.044 % capacity loss per cycle. Furthermore, in situations with limited electrolytes, high sulfur loading, and high areal mass loading, the composite cathode can provide a high areal capacity of 6.2 mg cm-2 over 100 cycles. This work provides a useful approach for investigating high-performance Li-S battery cathodes.
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Affiliation(s)
- Yuqi Wang
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Bin Yue
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Yafei Wang
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Jinxian Wang
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Qianli Ma
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Guixia Liu
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China
| | - Wensheng Yu
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China; Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 401135, China.
| | - Xiangting Dong
- Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun 130022, China.
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Bai Y, Nguyen TT, Song H, Chu R, Tran DT, Kim NH, Lee JH. Ru Single Atom Dispersed on MoS 2/MXene for Enhanced Sulfur Reduction Reaction in Lithium-Sulfur Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402074. [PMID: 38794990 DOI: 10.1002/smll.202402074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/07/2024] [Indexed: 05/27/2024]
Abstract
The high theoretical energy density (2600 Wh kg-1) and low cost of lithium-sulfur batteries (LSBs) make them an ideal alternative for the next-generation energy storage system. Nevertheless, severe capacity degradation and low sulfur utilization resulting from shuttle effect hinder their commercialization. Herein, Single-atom Ru-doped 1T/2H MoS2 with enriched defects decorates V2C MXene (Ru-MoS2/MXene) produced by a new phase-engineering strategy employed as sulfur host to promote polysulfide adsorption and conversion reaction kinetics. The Ru single atom-doped adjusts the chemical environment of the MoS2/MXene to anchor polysulfide and acts as an efficient center to motivate the redox reaction. In addition, the rich defects of the MoS2 and ternary boundary among 1T/2H MoS2 and V2C accelerate the charge transfer and ion movements for the reaction. As expected, the Ru-MoS2/MXene/S cathode-based cell exhibits a high-rate capability of 684.3 mAh g-1 at 6 C. After 1000 cycles, the Ru-MoS2/MXene/S cell maintains an excellent cycling stability of 696 mAh g-1 at 2 C with a capacity degradation as low as 0.02% per cycle. Despite a high sulfur loading of 9.5 mg cm-2 and a lean electrolyte-to-sulfur ratio of 4.3, the cell achieves a high discharge capacity of 726 mAh g-1.
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Affiliation(s)
- Yanqun Bai
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
- AHES Co., 445 Techno Valley-ro, Bongdong-eup, Wanju-gun, Jeonbuk, 55314, Republic of Korea
| | - Thanh Tuan Nguyen
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Hewei Song
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Rongrong Chu
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Duy Thanh Tran
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Nam Hoon Kim
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Joong Hee Lee
- Advanced Materials Institute of Nano Convergence Engineering (BK21 FOUR), Dept. of Nano Convergence Engineering, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
- AHES Co., 445 Techno Valley-ro, Bongdong-eup, Wanju-gun, Jeonbuk, 55314, Republic of Korea
- Carbon Composite Research Centre, Department of Polymer-Nano Science and Technology, Jeonbuk National University, Jeonju, Jeonbuk, 54896, Republic of Korea
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3
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Xiao H, Qin J, Wang H, Lai X, Shi P, Chen C, Sun D. MOF-Derived CeO 2 Nanorod as a Separator Coating Enabling Enhanced Performance for Lithium-Sulfur Batteries. Molecules 2024; 29:1852. [PMID: 38675672 PMCID: PMC11054290 DOI: 10.3390/molecules29081852] [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: 03/16/2024] [Revised: 04/06/2024] [Accepted: 04/13/2024] [Indexed: 04/28/2024] Open
Abstract
The deployment of Li-S batteries in the commercial sector faces obstacles due to their low electrical conductivity, slow redox reactions, quick fading of capacity, and reduced coulombic efficiency. These issues stem from the "shuttle effect" associated with lithium polysulfides (LiPSs). In this work, a haystack-like CeO2 derived from a cerium-based metal-organic framework (Ce-MOF) is obtained for the modification of a polypropylene separator. The carbon framework and CeO2 coexist in this haystack-like structure and contribute to a synergistic effect on the restriction of LiPSs shuttling. The carbon network enhances electron transfer in the conversion of LiPSs, improving the rate performance of the battery. Moreover, CeO2 enhances the redox kinetics of LiPSs, effectively reducing the "shuttle effect" in Li-S batteries. The Li-S battery with the optimized CeO2 modified separator shows an initial discharge capacity of 870.7 mAh/g at 2 C, maintaining excellent capacity over 500 cycles. This research offers insights into designing functional separators to mitigate the "shuttle effect" in Li-S batteries.
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Affiliation(s)
- Hao Xiao
- College of Chemistry, Fuzhou University, Fuzhou 350116, China; (H.X.); (J.Q.)
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Jian Qin
- College of Chemistry, Fuzhou University, Fuzhou 350116, China; (H.X.); (J.Q.)
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Haodong Wang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Xiaoxu Lai
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Pei Shi
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Chi Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
| | - Dan Sun
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; (H.W.); (X.L.); (P.S.)
- Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen 361021, China
- Fujian College, University of Chinese Academy Sciences, Fuzhou 350002, China
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4
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Zhao X, Dang Y, Ma H, Bai P, Li W, Liu ZH. Hybrid Ascharite/Reduced Graphene Oxide with Polysulfide Adsorption Host for Advanced Lithium-Sulfur Batteries. Inorg Chem 2024; 63:3107-3117. [PMID: 38285503 DOI: 10.1021/acs.inorgchem.3c04081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
Balancing the adsorption of lithium-polysulfide intermediates on polar host material surfaces and the effect of their electronic conductivity in the subsequent oxidation and reduction kinetics of electrochemical reactions is necessary and remains a challenge. Herein, we have evaluated the role of polarity and conductivity in preparing a series of ascharite/reduced graphene oxide (RGO) aerogels by dispersing strong polar ascharite nanowires of varying mass into the conductive RGO matrix. When severed as Li-S battery cathodes, the optimized S@ascharite/RGO cathode with a sulfur content of 73.8 wt % demonstrates excellent rate performance and cycle stability accompanied by a high-capacity retention for 500 cycles at 1.0 C. Interesting advantages including the enhanced adsorption ability by the formation of the Mg-S and Li bonds, the continuous and quick electron/ion transportations assembled conductive RGO framework, and the effective deposition of Li2S are combined in the ascharite/RGO aerogel hosts. The electrochemical results further demonstrate that the polarity of ascharite components for the S cathode plays a dominant role in the improvement of electrochemical performance, but the absence of a conductive substrate leads to serious capacity attenuation, especially the rate performance. The balanced design protocol provides a universal method for the synthesis of multiple S hosts for high-performance LSBs.
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Affiliation(s)
- Xiaojun Zhao
- School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Yubo Dang
- School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China
| | - Hongzhou Ma
- School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China
| | - Panqing Bai
- School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China
| | - Wangzi Li
- School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China
| | - Zhi-Hong Liu
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
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5
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Khan IA, Alzahrani AS, Ali S, Mansha M, Tahir MN, Khan M, Qayyum HA, Khan SA. Development of Membranes and Separators to Inhibit Cross-Shuttling of Sulfur in Polysulfide-Based Redox Flow Batteries: A Review. CHEM REC 2024; 24:e202300171. [PMID: 37606899 DOI: 10.1002/tcr.202300171] [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: 05/08/2023] [Revised: 08/08/2023] [Indexed: 08/23/2023]
Abstract
The global rapid transition from fossil fuels to renewable energy resources necessitates the implementation of long-duration energy storage technologies owing to the intermittent nature of renewable energy sources. Therefore, the deployment of grid-scale energy storage systems is inevitable. Sulfur-based batteries can be exploited as excellent energy storage devices owing to their intrinsic safety, low cost of raw materials, low risk of environmental hazards, and highest theoretical capacities (gravimetric: 2600 Wh/kg and volumetric: 2800 Wh/L). However, sulfur-based batteries exhibit certain scientific limitations, such as polysulfide crossover, which causes rapid capacity decay and low Coulombic efficiency, thereby hindering their implementation at a commercial scale. In this review article, we focus on the latest research developments between 2012-2023 to improve the separators/membranes and overcome the shuttle effect associated with them. Various categories of ion exchange membranes (IEMs) used in redox batteries, particularly polysulfide redox flow batteries and lithium-sulfur batteries, are discussed in detail. Furthermore, advances in IEM constituents are summarized to gain insights into different fundamental strategies for attaining targeted characteristics, and a critical analysis is proposed to highlight their efficiency in mitigating sulfur cross-shuttling issues. Finally, future prospects and recommendations are suggested for future research toward the fabrication of more effective membranes with desired properties.
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Affiliation(s)
- Ibad Ali Khan
- Department of Materials Science and Engineering, College of Chemical Sciences, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Atif Saeed Alzahrani
- Department of Materials Science and Engineering, College of Chemical Sciences, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Shahid Ali
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Muhammad Mansha
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Muhammad Nawaz Tahir
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Majad Khan
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Hafiz Adil Qayyum
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Department of Physics, College of General Studies, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabi
| | - Safyan Akram Khan
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
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Fu S, Wang H, Zhong Y, Schaefer S, Li M, Wu M, Wang H. High-Mass-Loading Li-S Batteries Catalytically Activated by Cerium Oxide: Performance and Failure Analysis under Lean Electrolyte Conditions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302771. [PMID: 37278254 DOI: 10.1002/adma.202302771] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/03/2023] [Indexed: 06/07/2023]
Abstract
Increasing sulfur mass loading and minimizing electrolyte amount remains a major challenge for the development of high-energy-density Li-S batteries, which needs to be tackled with combined efforts of materials development and mechanistic analysis. This work, following the same team's most recent identification of the potential-limiting step of Li-S batteries under lean electrolyte conditions, seeks to advance the understanding by extending it to a new catalyst and into the high-sulfur-mass-loading region. CeOx nanostructures are integrated into cotton-derived carbon to develop a multifunctional 3D network that can host a large amount of active material, facilitate electron transport, and catalyze the sulfur lithiation reaction. The resulting S/CeOx /C electrode can deliver a stable areal capacity of 9 mAh cm-2 with a high sulfur loading of 14 mg cm-2 at a low electrolyte/sulfur ratio of 5 µL mg-1 . This study discovers that Li||S/CeOx /C cells usually fail during charging at high current density, as a consequence of local short circuiting caused by electrochemically deposited Li dendrites penetrating through the separator, a previously overlooked failure pattern distinctive to cells operating under lean electrolyte conditions. This work highlights the importance of developing new material structures and analyzing failure mechanisms in the advancement of Li-S batteries.
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Affiliation(s)
- Shuting Fu
- Department of Chemistry and Energy Sciences Institute, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry & School of Chemical Engineering and Technology, Sun Yat-Sen University, Guangzhou 510275 & Zhuhai 519082, China
| | - Hongmin Wang
- Department of Chemistry and Energy Sciences Institute, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
| | - Yiren Zhong
- Department of Chemistry and Energy Sciences Institute, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
| | - Samuel Schaefer
- Department of Chemistry and Energy Sciences Institute, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
| | - Min Li
- Materials Characterization Core, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
| | - Mingmei Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry & School of Chemical Engineering and Technology, Sun Yat-Sen University, Guangzhou 510275 & Zhuhai 519082, China
| | - Hailiang Wang
- Department of Chemistry and Energy Sciences Institute, Yale University, 810 West Campus Drive, West Haven, CT, 06516, USA
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7
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Ren Y, Ma Y, Wang B, Chang S, Zhai Q, Wu H, Dai Y, Yang Y, Tang S, Meng X. Furnishing Continuous Efficient Bidirectional Polysulfide Conversion for Long-Life and High-Loading Lithium-Sulfur Batteries via the Built-In Electric Field. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300065. [PMID: 37147776 DOI: 10.1002/smll.202300065] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/15/2023] [Indexed: 05/07/2023]
Abstract
Most catalysts cannot accelerate uninterrupted conversion of polysulfides, resulting in poor long-cycle and high-loading performance of lithium-sulfur (Li-S) batteries. Herein, rich p-n junction CoS2 /ZnS heterostructures embedded on N-doped carbon nanosheets are fabricated by ion-etching and vulcanization as a continuous and efficient bidirectional catalyst. The p-n junction built-in electric field in the CoS2 /ZnS heterostructure not only accelerates the transformation of lithium polysulfides (LiPSs), but also promotes the diffusion and decomposition for Li2 S the from CoS2 to ZnS avoiding the aggregation of lithium sulfide (Li2 S). Meanwhile, the heterostructure possesses a strong chemisorption ability to anchor LiPSs and superior affinity to induce homogeneous Li deposition. The assembled cell with a CoS2 /ZnS@PP separator delivers a cycling stability with a capacity decay of 0.058% per cycle at 1.0 C after 1000 cycles, and a decent areal capacity of 8.97 mA h cm-2 at an ultrahigh sulfur mass loading of 6 mg cm-2 . This work reveals that the catalyst continuously and efficiently converts polysulfides via abundant built-in electric fields to promote Li-S chemistry.
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Affiliation(s)
- Yilun Ren
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Yujie Ma
- School of Intelligent Manufacturing and Information, Jiangsu Shipping College, Nantong, 226010, China
| | - Biao Wang
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Shaozhong Chang
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Qingxi Zhai
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Hao Wu
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Yuming Dai
- Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Yurong Yang
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Shaochun Tang
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Xiangkang Meng
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
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8
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Wei Z, Sarwar S, Azam S, Ahasan MR, Voyda M, Zhang X, Wang R. Ultrafast microwave synthesis of MoTe 2@graphene composites accelerating polysulfide conversion and promoting Li 2S nucleation for high-performance Li-S batteries. J Colloid Interface Sci 2023; 635:391-405. [PMID: 36599238 DOI: 10.1016/j.jcis.2022.12.111] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/11/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
In this report, MoTe2 nanosheets were grown on highly conductive graphene support through a simple and ultrafast microwave-assisted chemical coupling and heating method to develop hybrid sulfur host materials for Li-S batteries. MoTe2 nanosheets with superb electrocatalytic activity combined with highly conductive graphene form a nano reservoir for containing elemental sulfur, intermediate polysulfide species, discharge product Li2S, and accelerating the electron transfer. Accordingly, the Li-S battery with the MoTe2@graphene@carbon cloth electrode exhibited a high initial discharge capacity of 1246 mAh g-1 at 0.2C for the first galvanostatic cycle, good cycle stability (98.7% capacity retention after 100 cycles at 0.2C) and superb rate performance. The synergistic effect of the chemical affinity and superior electrocatalytic capability of polar MoTe2, along with the effective physical confinement by graphene and free-standing carbon cloth, provides a promising way to design host materials to mitigate the shuttling effect in rechargeable Li-S batteries.
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Affiliation(s)
- Zhen Wei
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Shatila Sarwar
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, United States
| | - Sakibul Azam
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Md Robayet Ahasan
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Madison Voyda
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Xinyu Zhang
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, United States.
| | - Ruigang Wang
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States.
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9
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Adhikari PR, Lee E, Smith L, Kim J, Shi S, Choi W. Effect of morphological variation in three-dimensional multiwall carbon nanotubes as the host cathode material for high-performance rechargeable lithium–sulfur batteries †. RSC Adv 2023; 13:9402-9412. [PMID: 36968032 PMCID: PMC10031574 DOI: 10.1039/d3ra00502j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/07/2023] [Indexed: 03/24/2023] Open
Abstract
Lithium–sulfur batteries (LSBs) demonstrate potential as next-generation energy storage systems due to the high theoretical capacity and energy density of the sulfur cathode (1672 mAh g−1 and 2600 W h kg−1, respectively) in addition to the low-cost, natural abundance, and environmentally benign characteristics of sulfur. However, the insulating nature of sulfur requires an efficient conductive and porous host material such as three-dimensional carbon nanotubes (3D CNTs). Identifying parameters that provide high conduction pathways and short diffusion lengths for Li-ions within the CNT structure is essential for a highly efficient CNT-S cathode in a LSB. Herein, the effect of morphological variation in 3D CNTs as a sulfur host material is studied, and parameters that affect the performance of a CNT-S cathode in LSB are investigated. Four different 3D CNTs are synthesized via the chemical vapor deposition (CVD) technique that vary in specific surface area (SSA), CNT diameter, pore sizes, and porosity. The superior 3D CNT-S (CNT-S-50) cathode, which possessed high surface area and porosity as compared to the rest of the 3D CNT-S cathodes, with ∼38 wt% (6.27 mg cm−2) sulfur loading, demonstrated an areal and specific discharge capacity of 8.70 mAh cm−2 and 1387 mAh g−1 at 0.1C, respectively. Results from this work demonstrate that the combination of high surface area and porosity are two crucial parameters in 3D CNTs as an efficient sulfur host material for LSB cathodes. Among various parameters of 3D CNTs as a conductive sulfur host material in LSB cathodes, high surface area, high porosity, and small pore size distribution, among others, are the most critical parameters, enhancing LSB performance.![]()
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Affiliation(s)
- Pashupati R. Adhikari
- Department of Mechanical Engineering, University of North Texas3940 North Elm StDentonTX 76207USA
| | - Eunji Lee
- Department of Energy Science, Sungkyunkwan UniversitySuwon 16419Republic of Korea
| | - Lee Smith
- Department of Mechanical Engineering, University of North Texas3940 North Elm StDentonTX 76207USA
| | - Jeongyong Kim
- Department of Energy Science, Sungkyunkwan UniversitySuwon 16419Republic of Korea
| | - Sheldon Shi
- Department of Mechanical Engineering, University of North Texas3940 North Elm StDentonTX 76207USA
| | - Wonbong Choi
- Department of Mechanical Engineering, University of North Texas3940 North Elm StDentonTX 76207USA
- Department of Material Science and Engineering, University of North Texas3940 North Elm St.DentonTX 76207USA
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10
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Solvent-resistant porous membranes using poly(ether—ether ketone): preparation and application. Front Chem Sci Eng 2022. [DOI: 10.1007/s11705-022-2221-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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11
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Yang Y, Mu P, Li B, Li A, Zhang J. In Situ Separator Modification with an N-Rich Conjugated Microporous Polymer for the Effective Suppression of Polysulfide Shuttle and Li Dendrite Growth. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49224-49232. [PMID: 36260419 DOI: 10.1021/acsami.2c15812] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lithium-sulfur (Li-S) batteries are very promising high-energy-density electrochemical energy storage devices, but suffer from serious Li polysulfide (LiPS) shuttle and uncontrollable Li dendrite growth. Here, we show in situ polyolefin separator modification with an N-rich conjugated microporous polymer (NCMP) for advanced Li-S battery. In situ polymerization generates an ultrathin NCMP coating on the whole external surface and the internal surface of the separator, which is substantially different from the conventional approaches with thick coatings only on the external surface. The NCMP coating with abundant N-containing groups (-NH2 and -N═), uniform nanopores (12.294 Å), and π-conjugated structure can simultaneously inhibit LiPS shuttle and regulate uniform nucleation and growth of Li dendrites. Consequently, the NCMP-based separator endows the Li-S battery with significantly enhanced cycling stability at high S loading (5.4 mg cm-2), lean electrolyte (E/S = 6.3 μL mg-1), and limited Li excess (50 μm).
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Affiliation(s)
- Yanfei Yang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
| | - Peng Mu
- College of Chemistry and Chemical Engineering, Northwest Normal University, 730070Lanzhou, P. R. China
| | - Bucheng Li
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
| | - An Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, 730050Lanzhou, P. R. China
| | - Junping Zhang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
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12
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A permselective and multifunctional 3D N-doped carbon nanotubes interlayer for high-performance lithium-sulfur batteries. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140430] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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13
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Flexible electrospun iron compounds/carbon fibers: Phase transformation and electrochemical properties. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139892] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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14
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Feng J, Li Y, Yuan J, Zhao Y, Zhang J, Wang F, Tang J, Song J. Energy-Saving Synthesis of Functional CoS2/rGO Interlayer With Enhanced Conversion Kinetics for High-Performance Lithium-Sulfur Batteries. Front Chem 2022; 9:830485. [PMID: 35223779 PMCID: PMC8867214 DOI: 10.3389/fchem.2021.830485] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 12/22/2021] [Indexed: 01/29/2023] Open
Abstract
Lithium sulfur (Li-S) battery has exhibited great application potential in next-generation high-density secondary battery systems due to their excellent energy density and high specific capacity. However, the practical industrialization of Li-S battery is still affected by the low conductivity of sulfur and its discharge product (Li2S2/Li2S), the shuttle effect of lithium polysulfide (Li2Sn, 4 ≤ n ≤ 8) during charging/discharging process and so on. Here, cobalt disulfide/reduced graphene oxide (CoS2/rGO) composites were easily and efficiently prepared through an energy-saving microwave-assisted hydrothermal method and employed as functional interlayer on commercial polypropylene separator to enhance the electrochemical performance of Li-S battery. As a physical barrier and second current collector, the porous conductive rGO can relieve the shuttle effect of polysulfides and ensure fast electron/ion transfer. Polar CoS2 nanoparticles uniformly distributed on rGO provide strong chemical adsorption to capture polysulfides. Benefitting from the synergy of physical and chemical constraints on polysulfides, the Li-S battery with CoS2/rGO functional separator exhibits enhanced conversion kinetics and excellent electrochemical performance with a high cycling initial capacity of 1,122.3 mAh g−1 at 0.2 C, good rate capabilities with 583.9 mAh g−1 at 2 C, and long-term cycle stability (decay rate of 0.08% per cycle at 0.5 C). This work provides an efficient and energy/time-saving microwave hydrothermal method for the synthesis of functional materials in stable Li-S battery.
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Affiliation(s)
- Junan Feng
- College of Physics, Qingdao University, Qingdao, China
| | - Yahui Li
- College of Physics, Qingdao University, Qingdao, China
| | - Jinshi Yuan
- College of Physics, Qingdao University, Qingdao, China
| | - Yuling Zhao
- College of Physics, Qingdao University, Qingdao, China
| | - Jianmin Zhang
- National Engineering Research Center for Intelligent Electrical Vehicle Power System (Qingdao), College of Mechanical and Electrical Engineering, Qingdao University, Qingdao, China
| | - Fengyun Wang
- College of Physics, Qingdao University, Qingdao, China
| | - Jie Tang
- National Institute for Materials Science, Tsukuba, Japan
- *Correspondence: Jie Tang, ; Jianjun Song,
| | - Jianjun Song
- College of Physics, Qingdao University, Qingdao, China
- *Correspondence: Jie Tang, ; Jianjun Song,
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Zhong X, Wang D, Sheng J, Han Z, Sun C, Tan J, Gao R, Lv W, Xu X, Wei G, Zou X, Zhou G. Freestanding and Sandwich MXene-Based Cathode with Suppressed Lithium Polysulfides Shuttle for Flexible Lithium-Sulfur Batteries. NANO LETTERS 2022; 22:1207-1216. [PMID: 35084869 DOI: 10.1021/acs.nanolett.1c04377] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Flexible lithium-sulfur (Li-S) batteries with high mechanical compliance and energy density are highly desired. This manuscript reported that large-area freestanding MXene (Ti3C2Tx) film has been obtained through a scalable drop-casting method, significantly improving adhesion to the sulfur layer under the continuously bent. Titanium oxide anchored on holey Ti3C2Tx (TiO2/H-Ti3C2Tx) was also produced by the well-controlled oxidation of few-layer Ti3C2Tx, which greatly facilitates lithium ion transport as well as prevents the shuttling of lithium polysulfides. Therefore, the obtained sandwich electrode has demonstrated a high capacity of 740 mAh g-1 at 2 C and a high capacity retention of 81% at 1 C after 500 cycles. Flexible Li-S batteries based on this sandwich electrode have a capacity retention as high as 95% after bending 500 times. This work provides effective design strategies of MXene for flexible batteries and wearable electronics.
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Affiliation(s)
- Xiongwei Zhong
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Dashuai Wang
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Institute of Zhejiang University─Quzhou, Quzhou, 324000, China
| | - Jinzhi Sheng
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhiyuan Han
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Chongbo Sun
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Junyang Tan
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Runhua Gao
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Wei Lv
- Shenzhen Geim Graphene Center, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Xiaomin Xu
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Guodan Wei
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Xiaolong Zou
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Guangmin Zhou
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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16
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Zhao Z, Zhang Y, He H, Pan L, Yu D, Egun I, Wan J, Chen W, Fan HJ. Bamboo Weaving Inspired Design of a Carbonaceous Electrode with Exceptionally High Volumetric Capacity. NANO LETTERS 2022; 22:954-962. [PMID: 35080402 DOI: 10.1021/acs.nanolett.1c03765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A highly densified electrode material is desirable to achieve large volumetric capacity. However, pores acting as ion transport channels are critical for high utilization of active material. Achieving a balance between high volume density and pore utilization remains a challenge particularly for hollow materials. Herein, capillary force is employed to convert hollow fibers to a bamboo-weaving-like flexible electrode (BWFE), in which the shrinkage of hollow space results in high compactness of the electrode. The volume of the electrode can be decreased by 96% without sacrificing the gravimetric capacity. Importantly, the conductivity of BWFE after thermal treatment can reach up to 50,500 S/m which exceeds that for most other carbon materials. Detailed mechanical analysis reveals that, due to the strong interaction between nanoribbons, Young's modulus of the electrode increases by 105 times. After SnO2 active materials is impregnated, the BWFE/SnO2 electrode exhibits an exceptionally ultrahigh volumetric capacity of 2000 mAh/cm3.
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Affiliation(s)
- Zehua Zhao
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Yuting Zhang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Haiyong He
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Linhai Pan
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Dongdong Yu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Ishioma Egun
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Jia Wan
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Weilin Chen
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Hong Jin Fan
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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17
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Gao K, Xu R, Chen Y, Zhang Z, Shao J, Ji H, Zhang L, Yi S, Chen D, Hu J, Gao Y. TiO2-carbon porous nanostructures for immobilization and conversion of polysulfides. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Lee DK, Ahn CW, Lee JW. Electrostatic self-assembly of 2-dimensional MXene-wrapped sulfur composites for enhancing cycle performance of lithium–sulfur batteries. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139539] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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19
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Qiu SY, Wang C, Gu LL, Wang KX, Gao XT, Gao J, Jiang Z, Gu J, Zhu XD. Hierarchically porous TiO2@C membrane with oxygen vacancy: A novel platform for enhancing catalytic conversion of polysulfides. Dalton Trans 2022; 51:2855-2862. [DOI: 10.1039/d1dt04067g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the case of high sulfur loading or high current discharge, constructing sulfur composite cathode by the traditional coating preparation process is difficult to solve the intractable problems of the...
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20
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Han T, Lin X, Cai J, Li J, Zhu Y, Meng Y, Hu C, Liu J. A novel free-standing metal organic frameworks-derived cobalt sulfide polyhedron array for shuttle effect suppressive lithium-sulfur batteries. NANOTECHNOLOGY 2021; 33:105401. [PMID: 34818635 DOI: 10.1088/1361-6528/ac3ce5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Metal-organic-frameworks-derived nanostructures have received broad attention for secondary batteries. However, many strategies focus on the preparation of dispersive materials, which need complicated steps and some additives for making electrodes of batteries. Here, we develop a novel free-standing Co9S8polyhedron array derived from ZIF-67, which grows on a three-dimensional carbon cloth for lithium-sulfur (Li-S) battery. The polar Co9S8provides strong chemical binding to immobilize polysulfides, which enables efficiently suppressing of the shuttle effect. The free-standing S@Co9S8polyhedron array-based cathode exhibits ultrahigh capacity of 1079 mAh g-1after cycling 100 times at 0.1 C, and long cycling life of 500 cycles at 1 C, recoverable rate-performance and good temperature tolerance. Furthermore, the adsorption energies towards polysulfides are investigated by using density functional theory calculations, which display a strong binding with polysulfides.
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Affiliation(s)
- Tianli Han
- Key Laboratory of Functional Molecular Solids (Ministry of Education), College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, People's Republic of China
| | - Xirong Lin
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano-electronics, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Junfei Cai
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano-electronics, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Jinjin Li
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano-electronics, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Yajun Zhu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, People's Republic of China
| | - Yijing Meng
- Key Laboratory of Functional Molecular Solids (Ministry of Education), College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, People's Republic of China
| | - Chaoquan Hu
- Nanjing IPE Institute of Green Manufacturing Industry, Nanjing 211100, Jiangsu, People's Republic of China
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Jinyun Liu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, People's Republic of China
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21
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Zhang N, Zheng S, Zhao M, Lu Y, Cheng J, Yang Y, Peng T, Luo Y. TiN@C nanocages as multifunctional sulfur hosts for superior lithium-sulfur batteries. Dalton Trans 2021; 50:17120-17128. [PMID: 34779809 DOI: 10.1039/d1dt03108b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The lithium polysulfide (LiPS) shuttle effect and low redox kinetics are the key problems that hinder performance improvement and prevent achieving the commercial requirements for lithium-sulfur batteries (LSBs), and the reasonable construction of sulfur hosts is one effective strategy to relieve the polysulfide shuttle effect and improve redox kinetics. Herein, N-doped carbon nanocages decorated with homogeneously dispersed TiN nanoparticles (TiN@C NCs) as multifunctional sulfur hosts are designed for superior LSBs. Carbon nanocages provide space to mitigate volume expansion and provide additional physical adsorption to trap the LiPSs. Polar TiN nanoparticles not only exhibit the chemisorption capacity for LiPSs, but also catalyze and promote the conversion of long-chain LiPSs to Li2S2/Li2S in the reduction process as well as the decomposition of Li2S in the oxidation reaction, which significantly boosts electron/ion transport and decreases the potential barrier. Therefore, the S/TiN@C NC cathode has an excellent electrochemical capacity of 1485.7 mA h g-1 at 0.1 C. In particular, the cathode demonstrates high capacity reversibility after 500 cycles at 3 C with a retention of about 73.1%, which is equivalent to a slow capacity decay rate of 0.053% per cycle.
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Affiliation(s)
- Ning Zhang
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Shuangshuang Zheng
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Menglong Zhao
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Yang Lu
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Jinbing Cheng
- Henan International Joint Laboratory of MXene Materials Microstructure, College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, P. R. China
| | - Ya Yang
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Tao Peng
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China.
| | - Yongsong Luo
- Henan Joint International Research Laboratory of New Energy Storage Technology, Key Laboratory of Microelectronics and Energy of Henan Province, School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, P. R. China. .,Henan International Joint Laboratory of MXene Materials Microstructure, College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, P. R. China
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Wang N, Zhang X, Ju Z, Yu X, Wang Y, Du Y, Bai Z, Dou S, Yu G. Thickness-independent scalable high-performance Li-S batteries with high areal sulfur loading via electron-enriched carbon framework. Nat Commun 2021; 12:4519. [PMID: 34312377 PMCID: PMC8313709 DOI: 10.1038/s41467-021-24873-4] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 07/13/2021] [Indexed: 11/08/2022] Open
Abstract
Increasing the energy density of lithium-sulfur batteries necessitates the maximization of their areal capacity, calling for thick electrodes with high sulfur loading and content. However, traditional thick electrodes often lead to sluggish ion transfer kinetics as well as decreased electronic conductivity and mechanical stability, leading to their thickness-dependent electrochemical performance. Here, free-standing and low-tortuosity N, O co-doped wood-like carbon frameworks decorated with carbon nanotubes forest (WLC-CNTs) are synthesized and used as host for enabling scalable high-performance Li-sulfur batteries. EIS-symmetric cell examinations demonstrate that the ionic resistance and charge-transfer resistance per unit electro-active surface area of S@WLC-CNTs do not change with the variation of thickness, allowing the thickness-independent electrochemical performance of Li-S batteries. With a thickness of up to 1200 µm and sulfur loading of 52.4 mg cm-2, the electrode displays a capacity of 692 mAh g-1 after 100 cycles at 0.1 C with a low E/S ratio of 6. Moreover, the WLC-CNTs framework can also be used as a host for lithium to suppress dendrite growth. With these specific lithiophilic and sulfiphilic features, Li-S full cells were assembled and exhibited long cycling stability.
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Affiliation(s)
- Nana Wang
- Institute for Superconducting and Electronic Materials, University of Wollongong, Innovation Campus, Squires Way, Wollongong, NSW, Australia
- Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Xiao Zhang
- Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Zhengyu Ju
- Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Xingwen Yu
- Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Yunxiao Wang
- Institute for Superconducting and Electronic Materials, University of Wollongong, Innovation Campus, Squires Way, Wollongong, NSW, Australia
| | - Yi Du
- Institute for Superconducting and Electronic Materials, University of Wollongong, Innovation Campus, Squires Way, Wollongong, NSW, Australia
| | - Zhongchao Bai
- Institute for Superconducting and Electronic Materials, University of Wollongong, Innovation Campus, Squires Way, Wollongong, NSW, Australia.
| | - Shixue Dou
- Institute for Superconducting and Electronic Materials, University of Wollongong, Innovation Campus, Squires Way, Wollongong, NSW, Australia
| | - Guihua Yu
- Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, USA.
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