文献类型：期刊文献

英文题名：Stable Cycling of Organic Anhydride/Amide Electrodes Enhanced by Multifunctional Binder

作者：Ma, Xianguo Zou, Shuliang Jiang, Donghai Zhang, Wenjuan Zhou, LiMing Liu, Yunhua Luo, DaJun Huang, Hongsheng Wang, Hui Ji, Shan Linkov, Vladimir

第一作者：马先果

机构：[1] School of Food and Drug Manufacturing Engineering, Guizhou Institute of Technology, Guiyang, 550003, China; [2] School of Chemical Engineering, Guizhou Institute of Technology, Guiyang, 550003, China; [3] State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China; [4] College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing, 314001, China; [5] South African Institute for Advanced Materials Chemistry, University of the Western Cape, 7535, South Africa

第一机构：贵州理工学院

年份：2024

外文期刊名：SSRN

收录：EI(收录号：20240219334)

语种：英文

外文关键词：Cathodes - Electrochemical electrodes - Ions - Lithium-ion batteries - Transition metals

摘要：Electrochemical utilization of organic electrode materials (OEMs) is highly dependent on their excess solubility in aprotic organic electrolytes leading to unsatisfactory cycling stability. In this study, a single-function conventional binder is substituted with the multifunctional one containing -SO32-, -COO- and -CN- groups, which serve as a binding matrix to maintain electrode integrity and suppress the dissolution of organic materials. The noncovalent interaction between the binder and organic electrodes is responsible for their remarkably low dissolution and the enhancement of their ionic conductivity, leading to significant improvement in electrochemical performance. The 3,4,9,10- perylenetetracarboxylic dianhydride (PTCDA) cathode with the PBA binder exhibits a high specific capacity of 126.1 mAh g?1 at 0.1 A g?1, superior rate capability (71.3 mAh g ?1 at 30C ) and outstanding cycling stability (2000 cycles at 0.5A g?1 ), which rival those of PVDF and PAA binder-based electrodes. The concept of noncovalent interaction between the binder and organic electrodes is successfully proven by the preparation of feasible Li and Na battery cells containing perylene-3,4,9,10-tetracarboxydiimide (PTCDI). With the discovery of more sophisticated binder materials and OEMs, the proposed strategy will lead to further performance improvements at a cell level to compete with transition metal-containing Li/Na ion batteries. ? 2024, The Authors. All rights reserved.