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

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Open Access

26 August 2019

journal article
research article
Published by Springer Nature in Nano-Micro Letters

Vol. 11 (1) , 1-12
DOI:10.1007/s40820-019-0300-2
PMID:34137994
PMCID:PMC7770939

Abstract

Highlights We first report on H₁₁Al₂V₆O_23.2 with large layer spacing as cathode for aqueous zinc-ion battery, which accelerates the diffusion of Zn²⁺. The graphene-wrapped H₁₁Al₂V₆O_23.2 nanobelts can improve electronic conductivity, and potentially inhibit the dissolution of elements in the aqueous electrolyte. H₁₁Al₂V₆O_23.2@graphene exhibits high capacity and stable cycling stability even at an ultra-high mass loading of ~ 15.7 mg cm⁻².

Keywords

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