Graphene boosted Cu2GeS3 for advanced lithium-ion batteries

被引：26

作者：

Fu, Lin ^{[1
,2
]}

Zhang, Chuanjian ^{[1
]}

Chen, Bingbing ^{[1
]}

Zhang, Zhonghua ^{[1
,2
]}

Wang, Xiaogang ^{[1
]}

Zhao, Jingwen ^{[1
]}

He, Jianjiang ^{[1
,2
]}

Du, Huiping ^{[1
,2
]}

Cui, Guanglei ^{[1
]}

机构：

[1] Chinese Acad Sci, Qingdao Ind Energy Storage Technol Inst, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China

[2] Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China

来源：

INORGANIC CHEMISTRY FRONTIERS | 2017年 / 4卷 / 03期

基金：

中国国家自然科学基金;

关键词：

OXYGEN REDUCTION; ELECTROCHEMICAL PERFORMANCE; ANODE MATERIALS; HIGH-CAPACITY; BINDER-FREE; GERMANIUM; STORAGE; OXIDE; NANOCRYSTALS; NANOSHEETS;

D O I：

10.1039/c6qi00521g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Germanium-based materials as the anode for lithium ion batteries (LIBs) have been investigated extensively because of their high theoretical capacities. However, ternary germanium-based sulfides as the anode material for LIBs have been rarely investigated until now. In this work, we successfully synthesized a novel ternary Cu2GeS3 (CGS) incorporated with reduced graphene oxide (CGS@RGO) and measured their lithium storage performance. As a result, the binder-free CGS@RGO anodes deliver excellent stable cycling properties and high rate capabilities. These improved properties can be ascribed to the introduction of RGO, which acts as a buffer to accommodate the large volume change and maintain the structural integrity of the electrode. More importantly, this work opens an opportunity to develop novel Ge-based anodes for high performance LIBs.

引用

页码：541 / 546

页数：6

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