Issue 55, 2022

Iron phosphate hydroxide hydrate as a novel anode material for advanced aqueous full potassium-ion batteries

Abstract

The development of aqueous potassium-ion batteries is limited by the lack of suitable anode materials. Here, a novel anode material, iron phosphate hydroxide hydrate Fe1.19PO4(OH)0.18(H2O)0.3, was introduced and synthesized, which delivers considerable reversible capacities of 80 mA h gāˆ’1 at 0.05 A gāˆ’1. An aqueous full potassium-ion battery assembled with the K2Zn3(Fe(CN)6)2 cathode exhibits 80% capacity retention after 1000 cycles.

Graphical abstract: Iron phosphate hydroxide hydrate as a novel anode material for advanced aqueous full potassium-ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
30 Mar 2022
Accepted
07 Jun 2022
First published
07 Jun 2022

Chem. Commun., 2022,58, 7702-7705

Iron phosphate hydroxide hydrate as a novel anode material for advanced aqueous full potassium-ion batteries

C. Li, W. Deng, Y. Li, Z. Zhou, J. Hu, M. Zhang, X. Yuan and R. Li, Chem. Commun., 2022, 58, 7702 DOI: 10.1039/D2CC01798A

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