Amorphous V2O5 as high performance cathode for aqueous zinc ion battery

被引：31

作者：

Wu, Shougang ^{[1
,2
]}

Ding, Youcai ^{[1
,2
]}

Hu, Linhua ^{[1
]}

Zhang, Xianxi ^{[3
]}

Huang, Yang ^{[1
]}

Chen, Shuanghong ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Key Lab Photovolta & Energy Conservat Mat, 2221 Changjiangxi Rd, Hefei 230088, Anhui, Peoples R China

[2] Univ Sci & Technol China, 96 Jinzhai Rd, Hefei 230026, Peoples R China

[3] Liaocheng Univ, Shandong Prov Key Lab, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Energy Storage & Nove, Liaocheng 252000, Shandong, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 277卷

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

Aqueous zinc ion battery; Amorphous materials; V2O5; Energy storage and conversion; High performance; Practical application; VANADIUM-OXIDE; GRAPHENE;

D O I：

10.1016/j.matlet.2020.128268

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An amorphous V2O5 (a-V2O5) cathode for aqueous zinc ion battery was prepared via the solution method followed by low temperature annealing. The cathode shows better performance than crystal V2O5 (c-V2O5), including a high specific discharge capacity (348 mAh g(-1) at 0.1 A g(-1)) and great long term cycle stability of 2200 cycles at 5 A g(-1). The excellent performances are attributed to the high structural disorder which provides a great deal of insertion sites for Zn2+. In addition, the a-V2O5 can be massively produced based on the simple solution method which shows great potential in practical application. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：4

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