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Ultra-High Mass-Loading Cathode for Aqueous Zinc-Ion Battery Based on Graphene-Wrapped Aluminum Vanadate Nanobelts
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2019-08-26 , DOI: 10.1007/s40820-019-0300-2
Wenyu Zhang 1 , Shuquan Liang 1, 2 , Guozhao Fang 1 , Yongqiang Yang 1 , Jiang Zhou 1, 2
Affiliation  

  • 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.



中文翻译:


基于石墨烯包裹钒酸铝纳米带的水系锌离子电池超高质量负载正极



  • 我们首次报道了大层间距的H 11 Al 2 V 6 O 23.2作为水系锌离子电池的正极,它加速了Zn 2+的扩散。


  • 石墨烯包裹的H 11 Al 2 V 6 O 23.2纳米带可以提高电子传导性,并可能抑制元素在水性电解质中的溶解。


  • 即使在〜15.7 mg cm -2的超高质量负载下,H 11 Al 2 V 6 O 23.2 @石墨烯也表现出高容量和稳定的循环稳定性。

更新日期:2019-08-26
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