溶剂化能调控实现低浓度锂电池电解液  

Solvating power regulation enabled low concentration electrolyte for lithium batteries

作　　者：彭琳珊 巫湘坤 贾梦敏 钱伟伟 张晓妍 周娜[1] 张兰[1,3] 菅翠营 张锁江 Linshan Peng;Xiangkun Wu;Mengmin Jia;Weiwei Qian;Xiaoyan Zhang;Na Zhou;Lan Zhang;Cuiying Jian;Suojiang Zhang(CAS Key Laboratory of Green Process and Engineering,Beijing Key Laboratory of lonic Liquids Clean Process,Siate Key Laboratory of Muliphase Complex Systems,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China;School of Chemical Engineering,University of Chinese Academy of Sciences,Beijing 100049,China;Langfang Green Industrial Technology Center,Langfang 065001,China;Shaanxi Key Laboratory of Energy Chemical Process Intensification,School of Chemical Engineering and Technology,Xi'an Jiaotong University,Xi'an 710049,China;Department of Mechanical Engineering,Lassonde School of Engineering,York University,Toronto ON M3J IP3,Canada;Henan Key Laboratory of Energy Storage Materials and Processes,Zhengzhou Institute of Emerging Industrial Technology,Zhengzhou 450003,China)

机构地区：[1]中国科学院过程工程研究所,中国科学院绿色过程与工程重点实验室,离子液体清洁过程北京市重点实验室,多相复杂系统国家重点实验室,北京100190 [2]中国科学院大学化学工程学院,北京100049 [3]廊坊绿色产业技术中心,廊坊065001 [4]西安交通大学化学工程与技术学院,陕西省能源化工过程强化重点实验室,西安710049 [5]Department of Mechanical Engineering,Lassonde School of Engineering,York University,Toronto ON M3J 1P3,Canada [6]郑州新兴产业技术研究院储能材料与工艺河南省重点实验室,郑州450003

出　　处：《科学通报》2022年第33期3885-3888,共4页Chinese Science Bulletin

摘　　要：电解液作为锂离子电池中不可或缺但长期被忽视的组成部分,在新型电极材料的应用和储能系统的设计中起着至关重要的作用. 1M电解液由于其良好的离子导电性、电化学稳定性以及成本,被广泛应用于锂离子电池中.然而,更高的能量密度需要比容量更高的活性材料、合金型或锂金属负极、甚至无负极型电池,而1M的电解液很难支持其长期稳定循环.其主要原因在于电极/电解液界面稳定性较差,通常需要固态正/负极电解质界面(CEI/SEI)来稳定.

关 键 词：锂离子电池 离子导电性 活性材料 电化学稳定性 电解液 新型电极材料 界面稳定性 溶剂化能 

分 类 号：TM912[电气工程—电力电子与电力传动] O646.1[理学—物理化学]