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Dong L, Luo D, Zhang B, Li Y, Yang T, Lei Z, Zhang X, Liu Y, Yang C, Chen Z. All-Fluorinated Electrolyte Engineering Enables Practical Wide-Temperature-Range Lithium Metal Batteries. ACS NANO 2024; 18:18729-18742. [PMID: 38951993 DOI: 10.1021/acsnano.4c06231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
The development of lithium metal batteries (LMBs) is severely hindered owing to the limited temperature window of the electrolyte, which renders uncontrolled side reactions, unstable electrolyte/electrode interface (EEI) formation, and sluggish desolvation kinetics for wide temperature operation condition. Herein, we developed an all-fluorinated electrolyte composed of lithium bis(trifluoromethane sulfonyl)imide, hexafluorobenzene (HFB), and fluoroethylene carbonate, which effectively regulates solvation structure toward a wide temperature of 160 °C (-50 to 110 °C). The introduction of thermostable HFB induces the generation of EEI with a high LiF ratio of 93%, which results in an inhibited side reaction and gas generation on EEI and enhanced interfacial ion transfer at extreme temperatures. Therefore, an unparalleled capacity retention of 88.3% after 400 cycles at 90 °C and an improved cycling performance at -50 °C can be achieved. Meanwhile, the practical 1.3 Ah-level pouch cell delivers high energy density of 307.13 Wh kg-1 at 60 °C and 277.99 Wh kg-1 at -30 °C after 50 cycles under lean E/C ratio of 2.7 g/Ah and low N/P ratio of 1.2. This work not only offers a viable strategy for wide-temperature-range electrolyte design but also promotes the practicalization of LMBs.
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Affiliation(s)
- Liwei Dong
- MOE Engineering Research Center for Electrochemical Energy Storage and Carbon Neutrality in Cold Regions, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Dan Luo
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Bowen Zhang
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, and Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China
| | - Yaqiang Li
- MOE Engineering Research Center for Electrochemical Energy Storage and Carbon Neutrality in Cold Regions, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Tingzhou Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zuotao Lei
- MOE Engineering Research Center for Electrochemical Energy Storage and Carbon Neutrality in Cold Regions, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Xinghong Zhang
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, and Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China
| | - Yuanpeng Liu
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, and Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China
| | - Chunhui Yang
- MOE Engineering Research Center for Electrochemical Energy Storage and Carbon Neutrality in Cold Regions, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Zhongwei Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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Jing C, Peng Z, Yan K, Chen L, Zhang C, Wei W. Entropy-Driven Hybrid Gel Electrolyte Enables Practical High-Voltage Lithium Metal Batteries. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33647-33656. [PMID: 38898674 DOI: 10.1021/acsami.4c06826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Electrolyte engineering plays a crucial role in enhancing the performance of lithium metal batteries (LMBs) featuring high-voltage cathodes and limited lithium anodes, thereby unlocking their potential for high-energy electrochemical storage. Herein, an entropy-driven hybrid gel electrolyte with enhanced diversity in Li-ion solvation structures is designed by incorporating substantial amounts of insoluble LiPO2F2 and LiNO3 salts into LiPF6-based carbonate electrolytes, followed by in situ thermal polymerization. Specifically, the Li+ solvation structures are modulated via ionophilic NO3- and PO2F2- to generate an anion-rich solvation sheath and thus promote anion reduction at the electrode-electrolyte interface. The interfaces enriched in anion-derived inorganic components facilitate rapid ionic transport, thus enabling smooth and dense Li morphology and ultimately enhancing the electrochemical performance of LMBs. As a result, this high-hybrid gel electrolyte confers LMBs employing high-voltage NCM cathodes, as demonstrated by sustained performance in both coin-cell (500 cycles at 4.5 V) and Ah-level pouch cell configurations under practical conditions (60 cycles, N/P: 1.92, and E/C: 2.0 g Ah -1).
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Affiliation(s)
- Chuyang Jing
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
| | - Ziyu Peng
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
| | - Kunyun Yan
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
| | - Libao Chen
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
| | - Chunxiao Zhang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
| | - Weifeng Wei
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
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3
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Zhang Z, Cheng Z, Qiu F, Jiang Y, Jia M, Yan X, Zhang X. High concentration in situ polymer gel electrolyte for high performance lithium metal batteries. Chem Commun (Camb) 2024; 60:6276-6279. [PMID: 38809134 DOI: 10.1039/d4cc01784f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
A high concentration gel polymer electrolyte (GPE) was prepared by simply using LiFSI-LiNO3 dissolved in 1,3-dioxolane. The Li‖Li cell achieves stable battery cycling for over 3200 h. Furthermore, the Li‖Cu cell demonstrates a high CE of 99.2%. Even at a high current density of 8 mA cm-2, a high CE of 98.5% was still achieved. Notably, in a Li‖LiFePO4 cell, this electrolyte enables high capacity retention of 94.5% and an average CE of 99.8% over 500 cycles, showing promising prospects for high-performance lithium metal batteries.
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Affiliation(s)
- Zehui Zhang
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Zhangbin Cheng
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Feilong Qiu
- School of Integrated Circuits, East China Normal University, Shanghai, 200241, China.
| | - Yuchen Jiang
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Min Jia
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Xiaohong Yan
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Xiaoyu Zhang
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
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Wan S, Ma W, Wang Y, Xiao Y, Chen S. Electrolytes Design for Extending the Temperature Adaptability of Lithium-Ion Batteries: from Fundamentals to Strategies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311912. [PMID: 38348797 DOI: 10.1002/adma.202311912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/16/2024] [Indexed: 02/25/2024]
Abstract
With the continuously growing demand for wide-range applications, lithium-ion batteries (LIBs) are increasingly required to work under conditions that deviate from room temperature (RT). However, commercial electrolytes exhibit low thermal stability at high temperatures (HT) and poor dynamic properties at low temperatures (LT), hindering the operation of LIBs under extreme conditions. The bottleneck restricting the practical applications of LIBs has promoted researchers to pay more attention to developing a series of innovative electrolytes. This review primarily covers the design of electrolytes for LIBs from a temperature adaptability perspective. First, the fundamentals of electrolytes concerning temperature, including donor number (DN), dielectric constant, viscosity, conductivity, ionic transport, and theoretical calculations are elaborated. Second, prototypical examples, such as lithium salts, solvent structures, additives, and interfacial layers in both liquid and solid electrolytes, are presented to explain how these factors can affect the electrochemical behavior of LIBs at high or low temperatures. Meanwhile, the principles and limitations of electrolyte design are discussed under the corresponding temperature conditions. Finally, a summary and outlook regarding electrolytes design to extend the temperature adaptability of LIBs are proposed.
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Affiliation(s)
- Shuang Wan
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology of Materials, Beijing University of Chemical Technology, Beijing, 10029, China
| | - Weiting Ma
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology of Materials, Beijing University of Chemical Technology, Beijing, 10029, China
| | - Yutong Wang
- Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Ying Xiao
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology of Materials, Beijing University of Chemical Technology, Beijing, 10029, China
| | - Shimou Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology of Materials, Beijing University of Chemical Technology, Beijing, 10029, China
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Ding F, Li Y, Zhang G, Wang H, Liu B, Liu C, Jiang L, Sui X, Wang Z. High-Safety Electrolytes with an Anion-Rich Solvation Structure Tuned by Difluorinated Cations for High-Voltage Lithium Metal Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2400177. [PMID: 38346222 DOI: 10.1002/adma.202400177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/07/2024] [Indexed: 02/20/2024]
Abstract
As next-generation energy storage devices, lithium metal batteries (LMBs) must offer high safety, high-voltage resistance, and a long life span. Electrolyte engineering is a facile strategy to tailor the interfacial chemistry of LMBs. In particular, the solvation structure and derived solid electrolyte interphase (SEI) are crucial for a satisfactory battery performance. Herein, a novel middle-concentrated ionic liquid electrolyte (MCILE) with an anion-rich solvation structure tuned by difluorinated cations is demonstrated to achieve ultrahigh safety, high-voltage stability, and excellent ternary-cathode compatibility. Novel gem-difluorinated cations first synthesized for prestoring fluorine on positively charged species, not only preferentially adsorb in the inner-Helmholtz layers, but also participate in regulating the Li+ solvation structure, resulting in a robust interphase. Moreover, these weak interactions in the Li+ solvation structure including anion-solvent and ionic liquid (IL) cation-solvent pairs are first revealed, which are beneficial for promoting an anion-dominated solvation structure and the desolvation process. Benefiting from the unique anion-rich solvation structure, a stable hetero-SEI structure is obtained. The designed MCILE exhibits compatibility with Li metal anode and the high-voltage ternary cathode at high temperatures (60 °C). This work provides a new approach for regulating the solvation structure and electrode interphase chemistry of LMBs via difluorinated IL cations.
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Affiliation(s)
- Fangwei Ding
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yixing Li
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Guoxu Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Laboratory of Space Power-Sources, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Hongyu Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Laboratory of Space Power-Sources, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
- Xi'an Safty Energy Technology Co., Ltd., Xi'an, 710299, China
| | - Bo Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Laboratory of Space Power-Sources, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Chang Liu
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Linhai Jiang
- The Instrumental Analysis Center of Shenzhen University, Shenzhen University, Shenzhen, 518060, China
| | - Xulei Sui
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, China
| | - Zhenbo Wang
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518071, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, State Key Laboratory of Space Power-Sources, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
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Zhang Y, Lu Y, Jin J, Wu M, Yuan H, Zhang S, Davey K, Guo Z, Wen Z. Electrolyte Design for Lithium-Ion Batteries for Extreme Temperature Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2308484. [PMID: 38111372 DOI: 10.1002/adma.202308484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/30/2023] [Indexed: 12/20/2023]
Abstract
With increasing energy storage demands across various applications, reliable batteries capable of performing in harsh environments, such as extreme temperatures, are crucial. However, current lithium-ion batteries (LIBs) exhibit limitations in both low and high-temperature performance, restricting their use in critical fields like defense, military, and aerospace. These challenges stem from the narrow operational temperature range and safety concerns of existing electrolyte systems. To enable LIBs to function effectively under extreme temperatures, the optimization and design of novel electrolytes are essential. Given the urgency for LIBs operating in extreme temperatures and the notable progress in this research field, a comprehensive and timely review is imperative. This article presents an overview of challenges associated with extreme temperature applications and strategies used to design electrolytes with enhanced performance. Additionally, the significance of understanding underlying electrolyte behavior mechanisms and the role of different electrolyte components in determining battery performance are emphasized. Last, future research directions and perspectives on electrolyte design for LIBs under extreme temperatures are discussed. Overall, this article offers valuable insights into the development of electrolytes for LIBs capable of reliable operation in extreme conditions.
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Affiliation(s)
- Yu Zhang
- Center of Nanoelectronics, School of Microelectronics, Shandong University, Jinan, 250100, P. R. China
| | - Yan Lu
- Center of Nanoelectronics, School of Microelectronics, Shandong University, Jinan, 250100, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, P. R. China
| | - Jun Jin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, P. R. China
| | - Meifen Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, P. R. China
| | - Huihui Yuan
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, P. R. China
| | - Shilin Zhang
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA, 5000, Australia
| | - Kenneth Davey
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA, 5000, Australia
| | - Zaiping Guo
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA, 5000, Australia
| | - Zhaoyin Wen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, P. R. China
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Holoubek J, Yu K, Wu J, Wang S, Li M, Gao H, Hui Z, Hyun G, Yin Y, Mu AU, Kim K, Liu A, Yu S, Pascal TA, Liu P, Chen Z. Toward a quantitative interfacial description of solvation for Li metal battery operation under extreme conditions. Proc Natl Acad Sci U S A 2023; 120:e2310714120. [PMID: 37782794 PMCID: PMC10576153 DOI: 10.1073/pnas.2310714120] [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: 06/25/2023] [Accepted: 08/17/2023] [Indexed: 10/04/2023] Open
Abstract
The future application of Li metal batteries (LMBs) at scale demands electrolytes that endow improved performance under fast-charging and low-temperature operating conditions. Recent works indicate that desolvation kinetics of Li+ plays a crucial role in enabling such behavior. However, the modulation of this process has typically been achieved through inducing qualitative degrees of ion pairing into the system. In this work, we find that a more quantitative control of the ion pairing is crucial to minimizing the desolvation penalty at the electrified interface and thus the reversibility of the Li metal anode under kinetic strain. This effect is demonstrated in localized electrolytes based on strongly and weakly bound ether solvents that allow for the deconvolution of solvation chemistry and structure. Unexpectedly, we find that maximum degrees of ion pairing are suboptimal for ultralow temperature and high-rate operation and that reversibility is substantially improved via slight local dilution away from the saturation point. Further, we find that at the optimum degree of ion pairing for each system, weakly bound solvents still produce superior behavior. The impact of these structure and chemistry effects on charge transfer are then explicitly resolved via experimental and computational analyses. Lastly, we demonstrate that the locally optimized diethyl ether-based localized-high-concentration electrolytes supports kinetic strained operating conditions, including cycling down to -60 °C and 20-min fast charging in LMB full cells. This work demonstrates that explicit, quantitative optimization of the Li+ solvation state is necessary for developing LMB electrolytes capable of low-temperature and high-rate operation.
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Affiliation(s)
- John Holoubek
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Kunpeng Yu
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Junlin Wu
- Program of Materials Science and Engineering, University of California San Diego, CA92093
| | - Shen Wang
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Mingqian Li
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Hongpeng Gao
- Program of Materials Science and Engineering, University of California San Diego, CA92093
| | - Zeyu Hui
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Gayea Hyun
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Yijie Yin
- Program of Materials Science and Engineering, University of California San Diego, CA92093
| | - Anthony U. Mu
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Kangwoon Kim
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Alex Liu
- Department of NanoEngineering, University of California San Diego, CA92093
| | - Sicen Yu
- Program of Materials Science and Engineering, University of California San Diego, CA92093
| | - Tod A. Pascal
- Department of NanoEngineering, University of California San Diego, CA92093
- Program of Materials Science and Engineering, University of California San Diego, CA92093
- Sustainable Power and Energy Center, University of California, San Diego, CA92093
| | - Ping Liu
- Department of NanoEngineering, University of California San Diego, CA92093
- Program of Materials Science and Engineering, University of California San Diego, CA92093
- Sustainable Power and Energy Center, University of California, San Diego, CA92093
| | - Zheng Chen
- Department of NanoEngineering, University of California San Diego, CA92093
- Program of Materials Science and Engineering, University of California San Diego, CA92093
- Sustainable Power and Energy Center, University of California, San Diego, CA92093
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Wu S, Li C, Zhang J, Wang P, Zhao D, Quan Y, Sun J, Cui X, Li S. Inhibition of transition-metal dissolution with an inert soluble product interface constructed by high-concentration electrolyte. iScience 2023; 26:107052. [PMID: 37434698 PMCID: PMC10331417 DOI: 10.1016/j.isci.2023.107052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/22/2023] [Accepted: 06/01/2023] [Indexed: 07/13/2023] Open
Abstract
The formation of a compact and stable cathode electrolyte interphase (CEI) film is a promising way to improve the high voltage resistance of lithium-ion batteries (LIBs). However, challenges arise due to the corrosion of hydrogen fluoride (HF) and the dissolution of transition metal ions (TMs) in harsh conditions. To address this issue, researchers have constructed an anion-derived CEI film enriched with LiF and LiPO2F2 soluble product on the surface of LiNi0.5Mn1.5O4 (LNMO) cathode in highly concentrated electrolytes (HCEs). The strong binding of LiF and LiPO2F2 generated an inert LiPO2F2 soluble product interface, which inhibited HF corrosion and maintained the spinel structure of LNMO, contributing to a capacity retention of 92% after 200 cycles at 55°C in the resulting cell with a soluble LiPO2F2-containing CEI film. This new approach sheds light on improving the electrode/electrolyte interface for high-energy LIBs.
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Affiliation(s)
- Shumin Wu
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
| | - Chunlei Li
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
- Gansu Engineering Laboratory of Electrolyte Material for Lithium-ion Battery, Baiyin 730050, P. R. China
| | - Jingjing Zhang
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
| | - Peng Wang
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
| | - Dongni Zhao
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
- Gansu Engineering Laboratory of Electrolyte Material for Lithium-ion Battery, Baiyin 730050, P. R. China
| | - Yin Quan
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
| | - Jinlong Sun
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
| | - Xiaoling Cui
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
- Gansu Engineering Laboratory of Electrolyte Material for Lithium-ion Battery, Baiyin 730050, P. R. China
| | - Shiyou Li
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P.R. China
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, P.R. China
- Gansu Engineering Laboratory of Electrolyte Material for Lithium-ion Battery, Baiyin 730050, P. R. China
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Guo JX, Tang WB, Xiong X, Liu H, Wang T, Wu Y, Cheng XB. Localized high-concentration electrolytes for lithium metal batteries: progress and prospect. Front Chem Sci Eng 2023. [DOI: 10.1007/s11705-022-2286-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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10
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Wu Z, Li R, Zhang S, lv L, Deng T, Zhang H, Zhang R, Liu J, Ding S, Fan L, Chen L, Fan X. Deciphering and modulating energetics of solvation structure enables aggressive high-voltage chemistry of Li metal batteries. Chem 2022. [DOI: 10.1016/j.chempr.2022.10.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Dai P, Kong X, Yang H, Kuang S, Zeng J, Zhao J. Synergistic Effect of Dual-Anion Additives Promotes the Fast Dynamics and High-Voltage Performance of Ni-Rich Lithium-Ion Batteries by Regulating the Electrode/Electrolyte Interface. ACS APPLIED MATERIALS & INTERFACES 2022; 14:39927-39938. [PMID: 36001325 DOI: 10.1021/acsami.2c08724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Combining the Ni-rich layered cathode (Ni ≥ 80%) with high operating voltage is considered as a feasible solution to achieve high-energy lithium-ion batteries (LIBs). However, the working voltage is limited in practical applications due to the poor interface stability in traditional carbonate electrolytes. Herein, LiBF4 and LiNO3 are added as film-forming additives and 1.0 M LiPF6 in SL/FEC/EMC with 0.5 wt % LiBF4-LiNO3 (HVE) is obtained. A uniform and inorganic-rich cathode electrolyte interphase (CEI) as well as a dense and Li3N-LiF-rich solid electrolyte interphase (SEI) could be in situ generated on LiNi0.8Co0.1Mn0.1O2 (NCM811) and graphite (Gr) electrode in HVE, respectively. The robust interface film with electronic insulation and ionic conductivity effectively stabilizes the NCM811/Gr-electrolyte interfaces and improves the Li+ diffusion kinetics, enabling the high-load NCM811-Gr to maintain 85.2% capacity (∼180 mA h g-1) after 300 cycles under 4.4 V. Besides, the 4.2 V NCM811-Gr retains 90.4% of the initial capacity after 200 cycles at 2 C (∼6 mA h cm-2). Compared with the traditional carbonate electrolyte (LB301), HVE has obvious advantages in terms of high-voltage and fast dynamics performance. Especially, good thermal stability and economy make HVE a promising electrolyte for commercial high-energy LIBs.
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Affiliation(s)
- Pengpeng Dai
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
| | - Xiangbang Kong
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
| | - Huiya Yang
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
| | - Silan Kuang
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
| | - Jing Zeng
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
| | - Jinbao Zhao
- State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China
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