Ultra-High Mass-Loading Cathode for Aqueous Zinc-Ion Battery Based on Graphene-Wrapped Aluminum Vanadate Nanobelts

被引：0
作者：
Wenyu Zhang
Shuquan Liang
Guozhao Fang
Yongqiang Yang
Jiang Zhou
机构：
[1] Central South University,School of Materials Science and Engineering
[2] Central South University,Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan Province
来源：
Nano-Micro Letters | 2019年 / 11卷
关键词：
Aluminum vanadate; Graphene; Cathode; High mass loading; Aqueous zinc-ion battery;
D O I：
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中图分类号：
学科分类号：
摘要：
We first report on H11Al2V6O23.2 with large layer spacing as cathode for aqueous zinc-ion battery, which accelerates the diffusion of Zn2+.The graphene-wrapped H11Al2V6O23.2 nanobelts can improve electronic conductivity, and potentially inhibit the dissolution of elements in the aqueous electrolyte.H11Al2V6O23.2@graphene exhibits high capacity and stable cycling stability even at an ultra-high mass loading of ~ 15.7 mg cm−2.
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