高能量密度锂离子电芯设计开发策略  

Design and Development Strategy of High Energy Density Lithium-Ion Cell

作　　者：殷志刚 王静 曹敏花[2] YIN Zhi-gang;WANG Jing;CAO Min-hua(Beijing Idrive Automotive Co,Ltd.,Beijing 102202,China;Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]北京智行鸿远汽车有限公司,北京102202 [2]北京理工大学,北京100081

出　　处：《新能源进展》2021年第3期248-257,共10页Advances in New and Renewable Energy

基　　金：国家自然科学基金面上项目(21872008)。

摘　　要：提高单体电芯能量密度是锂离子电池重要的収展方向。提高锂离子电芯能量密度的主要途径包括开収高比容量和高放电电压平台正极材料、高比容量负极材料、高适用性电解液、选择合适的电芯类型、开収具有高黏结性的黏结剂及优良的导电剂等。另外也可通过适当地改善正负极配方来提高活性材料的有效占比以达到提高电芯能量密度的目的。本文概括总结了高能量密度锂离子电芯正负极材料的研究方向,电解液的研究思路,以及导电剂、黏结剂、结构和工艺路线的选择。Increasing the energy density of single cell is an important development direction of lithium-ion battery.In summary,the main ways to improve the energy density of lithium-ion cell are development of high specific capacity and high discharge voltage platform cathode materials,high specific capacity anode materials,high applicability electrolyte,selection of appropriate cell types,development of binders with high adhesive properties and excellent conductive agents.In addition,the effective proportion of active materials can be increased by appropriately improving the formula of positive and negative electrodes to achieve the purpose of increasing the energy density of the cell.In this paper,the research directions of cathode materials and anode materials for high energy density lithium-ion cell,the research ideas of electrolyte,the reasonable selection of conductive agent and binder agent,the selection of cell structure and process route,were briefly summarized.

关 键 词：高能量密度 锂离子电芯 开収策略 

分 类 号：TK02[动力工程及工程热物理] TM912[电气工程—电力电子与电力传动]