Binder-Free V2O5 Cathode for Greener Rechargeable Aluminum Battery

被引：293

作者：

Wang, Huali ^{[1
]}

Bai, Ying ^{[1
]}

Chen, Shi ^{[1
]}

Luo, Xiangyi ^{[2
]}

Wu, Chuan ^{[1
]}

Wu, Feng ^{[1
]}

Lu, Jun ^{[2
]}

Amine, Khalil ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Chem Engn & Environm, Beijing Key Lab Environm Sci & Engn, Beijing 100081, Peoples R China

[2] Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL 60439 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2015年 / 7卷 / 01期

关键词：

aluminum battery; binder-free; V2O5; cathode; ionic liquid electrolyte; PTFE binder; PVDF binder; DIRECT GROWTH; ION; ANODE; MAGNESIUM; ARRAYS; ELECTROCHEMISTRY; BEHAVIOR; STORAGE;

D O I：

10.1021/am508001h

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This letter reports on the investigation of a binder-free cathode material to be used in rechargeable aluminum batteries. This cathode is synthesized by directly depositing V2O5 on a Ni foam current collector. Rechargeable aluminum coin cells fabricated using the as-synthesized binder-free cathode delivered an initial discharge capacity of 239 mAh/g, which is much higher than that of batteries fabricated using a cathode composed of V2O5 nanowires and binder. An obvious discharge voltage plateau appeared at 0.6 V in the discharge curves of the Ni-V2O5 cathode, which is slightly higher than that of the V2O5 nanowire cathodes with common binders. This improvement is attributed to reduced electrochemical polarization.

引用

页码：80 / 84

页数：5

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