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prelithiation strategies for silicon-based anode in high energy density lithium-ion battery

Green Energy & Environment 2023年第5期8卷 1325-1340页

作者： Tianqi Jia Geng Zhong Yao Lv Nanrui Li Yanru Liu Xiaoliang Yu Jinshuo Zou Zhen Chen Lele Peng Feiyu Kang Yidan Cao Shenzhen Geim Graphene Center Institute of Materials ResearchShenzhen International Graduate SchoolTsinghua UniversityShenzhen518055China Tsinghua-Berkeley Shenzhen Institute Tsinghua UniversityShenzhen518055China College of Sciences and Institute for Sustainable Energy Shanghai UniversityShanhai200000China Department of Mechanical Engineering The Hong Kong Polytechnic UniversityHong Kong999077China School of Chemical Engineering&Advanced Materials The University of AdelaideAdelaideSA 5005Australia

Green energy storage devices play vital roles in reducing fossil fuel emissions and achieving carbon neutrality by *** markets for portable electronics and electric vehicles create tremendous demand for advanced lithium-ion batteries(LIBs)with high power and energy density,and novel electrode material with high capacity and energy density is one of the keys to next-generation ***-based materials,with high specific capacity,abundant natural resources,high-level safety and environmental friendliness,are quite promising alternative anode ***,significant volume expansion and redundant side reactions with electrolytes lead to active lithium loss and decreased coulombic efficiency(CE)of silicon-based material,which hinders the commercial application of silicon-based ***,preembedding extra lithium ions in the electrodes,is a promising approach to replenish the lithium loss during *** progress on prelithiation strategies for silicon-based anode,including electrochemical method,chemical method,direct contact method,and active material method,and their practical potentials are reviewed and prospected *** development of advanced Si-based material and prelithiation technologies is expected to provide promising approaches for the large-scale application of silicon-based materials.

关键词： Si-based materials prelithiation Coulombic efficiency Lithium loss Lithium-ion battery

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prelithiation Enhances Cycling Life of Lithium-Ion Batteries:A Mini Review

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Energy & Environmental Materials 2023年第6期6卷 1-9页

作者： Xiaomei Liu Ze Wu Leqiong Xie Li Sheng Jianhong Liu Li Wang Kai Wu Xiangming He Institute of Nuclear and New Energy Technology Tsinghua UniversityBeijing 100084China Contemporary Amperex Technology Co. LimitedNinde 352100China

During the last decade,the rapid development of lithium-ion battery(LIB)energy storage systems has provided significant support for the efficient operation of renewable energy *** the coming years,the service life demand of energy storage systems will be further increased to 30 years from the current 20 years on the basis of the equivalent service life of renewable energy ***,the life of the present LIB is far from meeting such high ***,research on the next-generation LIB with ultra-long service life is *** technology has been widely studied as an important means to compensate for the initial coulombic efficiency loss and improve the service life of *** review systematically summarized the different prelithiation methods from anode and cathode ***,the large-scale industrialization challenge and the possibility of the existing prelithiation technology are analyzed,based on three key parameters:industry compatibility,prelithiation efficiency,and energy ***,the future trends of improvement in LIB performance by other overlithiated cathode materials are presented,which gives a reference for subsequent research.

关键词： cycle life lithium compensation lithium-ion battery prelithiation

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prelithiation design for suppressing delamination in lithium-ion battery electrodes

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Applied Mathematics and Mechanics(English Edition) 2021年第12期42卷 1703-1716页

作者： Yifei QIAN Bo LU Yinhua BAO Yanfei ZHAO Yicheng SONG Junqian ZHANG Department of Mechanics Shanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai 200444China Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai UniversityShanghai 200444China Department of Civil Engineering School of Mechanics and Engineering ScienceShanghai UniversityShanghai 200444China

prelithiation has been intensively investigated in high-capacity lithiumion batteries(LIBs).However,the optimization of prelithiation degrees for long service life of LIBs still remains a *** positive effect of prelithiation on suppressing degradation of LIBs,besides directly pursuing the high first Coulomb efficiency which has been widely reported in the literature,is revealed and discussed based on an analytical model focusing on the interfacial delamination in *** full charge-discharge cycling,well-designed prelithiation can effectively suppress the delamination and reduce the debonding size by approximately 25%,compared with the case without *** the strategy combining partial charge-discharge cycling and prelithiation,the largest reversible capacity without debonding can be significantly improved by approximately100%with well-designed *** work is expected to provide a prelithiation design principle and further improve the mechanical stability of LIB electrodes.

关键词： prelithiation delamination electrode concentration-dependent property analytical solution

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Facilitating prelithiation of silicon carbon anode by localized high-concentration electrolyte for high-rate and long-cycle lithium storage

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Carbon Energy 2024年第6期6卷 216-233页

作者： Yuanxing Zhang Borong Wu Jiaying Bi Xinyu Zhang Daobin Mu Xin-Yu Zhang Ling Zhang Yao Xiao Feng Wu School of Materials Science and Engineering Beijing Institute of TechnologyBeijingChina Chongqing Innovation Center Beijing Institute of TechnologyChongqingChina College of New Energy Xi′an Shiyou UniversityXi′anChina Institute for Carbon Neutralization College of Chemistry and Materials EngineeringWenzhou UniversityWenzhouChina Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjinChina

The commercialization of silicon-based anodes is affected by their low initial Coulombic efficiency(ICE)and capacity decay,which are attributed to the formation of an unstable solid electrolyte interface(SEI)***,a feasible and cost-effective prelithiation method under a localized highconcentration electrolyte system(LHCE)for the silicon-silica/graphite(Si-SiO_(2)/C@G)anode is designed for stabilizing the SEI layer and enhancing the *** thin SiO_(2)/C layers with-NH_(2) groups covered on nano-Si surfaces are demonstrated to be beneficial to the prelithiation process by density functional theory calculations and electrochemical *** SEI formed under LHCE is proven to be rich in ionic conductivity,inorganic substances,and flexible organic ***,faster Li+transportation across the SEI further enhances the prelithiation effect and the rate performance of Si-SiO_(2)/C@G *** also leads to uniform decomposition and high stability of the SEI with abundant organic *** a result,the prepared anode shows a high reversible specific capacity of 937.5 mAh g^(-1)after 400 cycles at a current density of 1 *** 811‖Li-SSGLHCE full cell achieves a high-capacity retention of 126.15 mAh g^(-1)at 1 C over 750 cycles with 84.82%ICE,indicating the great value of this strategy for Si-based anodes in large-scale applications.

关键词： localized high-concentration electrolytes prelithiation SEI layer silicon anode

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Practical evaluation of prelithiation strategies for next-generation lithium-ion batteries

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Carbon Energy 2023年第8期5卷 55-77页

作者： Shiming Chen Zhen Wang Meng Zhang Xiaoze Shi Lu Wang Weifeng An Zikun Li Feng Pan Luyi Yang School of Advanced Materials Peking University Shenzhen Graduate SchoolShenzhenChina BTR New Material Group Co. Ltd.ShenzhenChina R&D Institute Shenzhen BAK Power Battery Co.Ltd.ShenzhenChina

With the increasing market demand for high-performance lithium-ion batteries with high-capacity electrode materials,reducing the irreversible capacity loss in the initial cycle and compensating for the active lithium loss during the cycling process are critical *** recent years,various prelithiation strategies have been developed to overcome these *** these approaches are carried out under a wide range of conditions,it is essential to evaluate their suitability for large-scale commercial *** this review,these strategies are categorized based on different battery assembling stages that they are implemented in,including active material synthesis,the slurry mixing process,electrode pretreatment,and battery ***,their advantages and disadvantages in commercial production are discussed from the perspective of thermodynamics and *** review aims to provide guidance for the future development of prelithiation strategies toward commercialization,which will potentially promote the practical application of next-generation high-energy-density lithium-ion batteries.

关键词： high-energy-density irreversible capacity loss lithium-ion batteries practical application prelithiation

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Recent progress and perspectives on silicon anode:Synthesis and prelithiation for LIBs energy storage

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Journal of Energy Chemistry 2022年第1期31卷 615-650,I0016页

作者： Yuanxing Zhang Borong Wu Ge Mu Chengwei Ma Daobin Mu Feng Wu School of Materials Science and Engineering Beijing Institute of TechnologyBeijing Key Laboratory of Environment Science and EngineeringBeijing 100081China Collaborative Innovation Center of Electric Vehicles in Beijing Beijing 100081China

The ever-increasing environmental/energy crisis as well as the rapid upgrading of mobile devices had stimulated intensive research attention on promising alternative energy storage and conversion *** these devices,alkali metal ion batteries,such as lithium-ion batteries(LIBs) had attracted increasing research attention due to its several advantages including,environmental friendliness,high power density,long cycle life and excellent *** had been widely used in consumer electronics,electric vehicles,and large power grids et ***-based(silicon and their oxides,carbides) anodes had been widely *** several advantages including low cost,high theoretical capacity,natural abundance,and environmental friendliness,which shows great potential as anodes of *** this review,we summarized the recently progress in the synthetic method of silicon matrix *** empirical method for prelithiation of silicon-based materials were also ***,we also reviewed some novel characterization ***,the new design,preparation methods and properties of these nano materials were reviewed and *** hoped that this review can provide a general overview of recent progress and we briefly highlighted the current challenges and prospects,and will clarify the future trend of silicon anode LIBs research.

关键词： Si anodes Lithium-ion batteries prelithiation Characterization Energy storage and conversion

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Recent advances and perspectives on prelithiation strategies for lithium-ion capacitors

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Rare Metals 2022年第10期41卷 3322-3335页

作者： Jiang-Min Jiang Zhi-Wei Li Zhao-Ting Zhang Shi-Jing Wang Hai Xu Xin-Ran Zheng Ya-Xin Chen Zhi-Cheng Ju Hui Dou Xiao-Gang Zhang Jiangsu Key Laboratory of Electrochemical Energy Storage Technology College of Material Science and EngineeringNanjing University of Aeronautics and AstronauticsNanjing210016China Jiangsu Key Laboratory of Coal-Based Greenhouse Gas Control and Utilization School of Materials Science and PhysicsChina University of Mining and TechnologyXuzhou221116China Department of Physics National University of SingaporeSingapore117574Singapore Tsinghua Shenzhen International Graduate School Tsinghua UniversityShenzhen518055China

Lithium-ion capacitors(LICs),consisting of a capacitor-type material and a battery-type material together with organic electrolytes,are the state-of-the-art electrochemical energy storage devices compared with supercapacitors and *** to their unique characteristics,LICs received a lot of attentions,and great progresses have been achieved,especially in the exploration of cathode and anode *** techniques are regarded as indispensable procedures for LICs systems,which can compensate for the initial irreversible capacity loss,increase the Li^(+)concentration in the electrolyte,raise the working voltage and resolve the safety and cycle stability issues;however,its research progress is slow,and there is not enough attention until *** this overview,we look into the ongoing processes on the recent development of prelithiation technologies,especially in organic electrolyte consumption-type *** particular,some prelithiation strategies for LICs are summarized and discussed in detail,including the ex situ electrochemical method,in situ electrochemical method,and cathode prelithiation additives ***,we propose some unresolved challenges and prospects for prelithiation technologies from the basic research ideas and future key research *** work aims to bring up new insights to reassess the significance of premetallation strategies for advanced hybrid-ion capacitors based on the currently proposed prelithiation strategies.

关键词： Lithium-ion capacitors(LICs) prelithiation Initial irreversible capacity Stabilized lithium metal powder Self-sacrificial additives

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Regulating the Solvation Structure of Li^(+) Enables Chemical prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries

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Nano-Micro Letters 2023年第7期15卷 293-305页

作者： Wenjie He Hai Xu Zhijie Chen Jiang Long Jing Zhang Jiangmin Jiang Hui Dou Xiaogang Zhang Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies College of Material Science and TechnologyNanjing University of Aeronautics and AstronauticsNanjing 210016People’s Republic of China School of Materials Science and Engineering Henan Polytechnic UniversityJiaozuo 454003People’s Republic of China Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments School of Materials Science and PhysicsChina University of Mining and TechnologyXuzhou 221116People’s Republic of China

The solvation structure of Li^(+) in chemical prelithiation reagent plays a key role in improving the low initial Coulombic efficiency(ICE) and poor cycle performance of silicon-based materials. Never theless, the chemical prelithiation agent is difficult to dope active Li^(+) in silicon-based anodes because of their low working voltage and sluggish Li^(+) diffusion rate. By selecting the lithium–arene complex reagent with 4-methylbiphenyl as an anion ligand and 2-methyltetrahydrofuran as a solvent, the as-prepared micro-sized Si O/C anode can achieve an ICE of nearly 100%. Interestingly, the best prelithium efficiency does not correspond to the lowest redox half-potential(E_(1/2)), and the prelithiation efficiency is determined by the specific influencing factors(E_(1/2), Li^(+) concentration, desolvation energy, and ion diffusion path). In addition, molecular dynamics simulations demonstrate that the ideal prelithiation efficiency can be achieved by choosing appropriate anion ligand and solvent to regulate the solvation structure of Li^(+). Furthermore, the positive effect of prelithiation on cycle performance has been verified by using an in-situ electrochemical dilatometry and solid electrolyte interphase film characterizations.

关键词： Lithium-ion batteries Silicon-based anodes prelithiation Molecular dynamics simulations Solvation structure

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Efficient Chemical prelithiation with Modificatory Li^(+) Solvation Structure Enabling Spatially Homogeneous SEI toward High Performance SiO_(x) Anode

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Chinese Journal of Chemistry 2024年第17期42卷 2056-2065页

作者： Ruoyang Wang Yuqing Wu Yifan Niu Qing Yang Haoyu Li Yang Song Benhe Zhong Liwen Yang Ting Chen Zhenguo Wu Xiaodong Guo School of Chemical Engineering Sichuan UniversityChengduSichuan 610065China Chengdu No.7 High School ChengduSichuan 6100412China Institute for Applied Materials(IAM) Karlsruhe Institute of Technology(KIT)Hermann-von-Helmholtz-Platz1D-76344 Eggenstein-LeopoldshafenGermany Institute for Advanced Study Chengdu UniversityChengduSichuan 610106China

Chemical prelithiation is widely proven to be an effective strategy to address the low initial coulombic efficiency(ICE)of promising SiO_(x) *** the reagent composition has been widely explored,the Li^(+) solvation structure,which practically plays the cornerstone role in the prelithiation ability,rate,uniformility,has rarely been explored.A novel environmentally-friendly reagent with weak solvent cyclopentyl methyl ether(CPME)is proposed that enables both improved ICE and spatial homogeneous solid electrolyte interphase(SEl).And the prelithiation behavior and mechanism were explored focused on the Li^(+) solvation *** theoretical investigation and spectroscopic results suggest that weak solvent feature of CPME reduces the solvent coordination number and decreases the Li^(+) desolvation energy.

关键词： Lithium-ion battery SiO_(x)anode prelithiation Weak solvent Homogeneous SEI Energy conversion Desolvation energy

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Progress and challenges of prelithiation technology for lithium-ion battery

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Carbon Energy 2022年第6期4卷 1107-1132页

作者： Zhenyu Huang Zhe Deng Yun Zhong Mingkang Xu Sida Li Xueting Liu Yu Zhou Kai Huang Yue Shen Yunhui Huang State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhanHubeiPeople's Republic of China Battery&Acoustics Research Center Jiangsu Jitri-Hust Intelligent Equipment Technology Co.Ltd.WuxiJiangsuPeople's Republic of China Battery&Acoustics Research Center Hust-Wuxi Research InstituteWuxiJiangsuPeople's Republic of China

prelithiation technology is widely considered a feasible route to raise the energy density and elongate the cycle life of lithium-ion *** principle of prelithiation is to introduce extra active Li ions in the battery so that the lithium loss during the first charge and long-term cycling can be *** an effect does not need to change the major electrode material or battery structure and is compatible with the majority of current lithium-ion battery production *** this stage,various prelithiation methods have been reported,some of which are already in the pilot-scale production *** there is still no definitive development roadmap for *** this review,we first introduce the influence of prelithiation on electrochemical performance from a theoretical point of view and then compare the pros and cons of different prelithiation methods in different battery manufacturing ***,we discuss the challenges and future development trends of *** aim to build up a bridge between academic research and industrial *** engineering problems in the promotion of prelithiation technique are extensively discussed,including not only the implementation of prelithiation but also some collateral issues on battery designing and management.

关键词： cycle life electrochemistry initial coulombic efficiency lithium-ion battery prelithiation

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