Intercalation Behavior of Hexafluorophosphate into Graphite Electrode from Propylene/Ethylmethyl Carbonates

被引：46
作者：
Fan, Hui [1 ,2 ]
Qi, Li [1 ]
Wang, Hongyu [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Jilin, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2017年 / 164卷 / 09期
基金：
中国国家自然科学基金;
关键词：
ELECTROCHEMICAL INTERCALATION; ANION INTERCALATION; PERCHLORATE ANION; IN-SITU; SOLVATION; IMIDE;
D O I：
10.1149/2.0371712jes
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrochemical manner of hexafluorophosphate anion into a graphite electrode has been studied in mixed solvents of propylene carbonate (PC) and ethylmethyl carbonate (EMC). The successful electrochemical intercalation of PF6- has been gained in PC/EMC-based electrolyte solutions and the effect of PC and EMC on PF6- insertion into graphite in these electrolyte solutions has been studied by electrochemical tests, ex situ XRD and in situ Raman. Moreover, the interaction between anions and solvents in electrolyte solutions was investigated by nuclear magnetic resonance. Furthermore, Li/graphite cells based on these solutions cycled well. (C) 2017 The Electrochemical Society. All rights reserved.
引用
收藏
页码：A2262 / A2267
页数：6
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