Issue 55, 2019

K0.36(H2O)yWS2: a new layered compound for reversible hydrated potassium ion intercalation in aqueous electrolyte

Abstract

This work reports the synthesis of a new quasi two-dimensional layered compound, K0.36(H2O)yWS2, for aqueous potassium ion storage. Its crystal structure determined by single crystal X-ray diffraction is composed of WS2 layers and disordered hydrated K+ stacking along the c direction alternately. Due to the large interlayer spacing and high conductivity, K0.36(H2O)yWS2 is demonstrated to be a stable host for reversible intercalation and de-intercalation of hydrated K+ in K2SO4 aqueous solution.

Graphical abstract: K0.36(H2O)yWS2: a new layered compound for reversible hydrated potassium ion intercalation in aqueous electrolyte

Supplementary files

Article information

Article type
Paper
Submitted
23 Sep 2019
Accepted
03 Oct 2019
First published
10 Oct 2019
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2019,9, 32323-32327

K0.36(H2O)yWS2: a new layered compound for reversible hydrated potassium ion intercalation in aqueous electrolyte

Y. Mao, M. Xie, W. Zhao, K. Yuan, Y. Fang and F. Huang, RSC Adv., 2019, 9, 32323 DOI: 10.1039/C9RA07718A

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