首页|A Review:Pre-lithiation Strategies Based on Cathode Sacrificial Lithium Salts for Lithium-Ion Capacitors

A Review:Pre-lithiation Strategies Based on Cathode Sacrificial Lithium Salts for Lithium-Ion Capacitors

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Similar to lithium-ion batteries(LIBs),during the first charge/discharge process of lithium-ion capacitors(LICs),lithium-intercalated anodes(e.g.,silicon,graphite,and hard carbon)also exhibit irreversible lithium intercalation behaviors,such as the formation of a solid electrolyte interface(SEI),which will consume Li+in the electrolyte and significantly reduce the electrochemical performance of the system.Therefore,pre-lithiation is an indispensable procedure for LICs.At present,commercial LICs mostly use lithium metal as the lithium source to compensate for the irreversible capacity loss,which has the demerits of operational complexity and danger.However,the pre-lithiation strategy based on cathode sacrificial lithium salts(CSLSs)has been proposed,which has the advantages of low cost,simple operation,environmental protection,and safety.Therefore,there is an urgent need for a timely and comprehensive summary of the application of CSLSs to LICs.In this review,the important roles of pre-lithiation in LICs are detailed,and different pre-lithiation methods are reviewed and compared systematically and comprehensively.After that,we systematically discuss the pre-lithiation strategies based on CSLSs and mainly introduce the lithium extraction mechanism of CSLSs and the influence of intrinsic characteristics and doping amount of CSLSs on LICs performance.In addition,a summary and outlook are conducted,aiming to provide the essential basic knowledge and guidance for developing a new pre-lithiation technology.

cathode sacrificial lithium saltslithium-ion battery capacitorslithium-ion capacitorsperspectivespre-lithiation strategies

Kailimai Su、Yan Wang、Bao Yang、Xu Zhang、Wei Wu、Junwei Lang、Xingbin Yan

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Laboratory of Clean Energy Chemistry and Materials,State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou 730000,China

Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

Qingdao Center of Resource Chemistry & New Materials,Qingdao 266000,China

State Key Laboratory of Optoelectronic Materials and Technologies,School of Materials Science and Engineering,Sun Yat-Sen University,Guangzhou 510275,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaWestern Young Scholars Foundations of Chinese Academy of SciencesScience Fund of Shandong Laboratory of Yantai Advanced Materials and Green ManufacturingProvincial Youth Science and Technology Fund Program of Gansu Province

2200531822075303AMGM2022A0221JR7RA092

2023

10.1002/eem2.12506

能源与环境材料(英文)

能源与环境材料(英文)

CSCD
ISSN：
年,卷(期)：2023.6(6)
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