Synthesis of battery-grade FePO4·2H2O using high-pressure hydrolyzed precipitates of cobalt–iron alloy acid solution

Abstract

Herein, we developed a facile method for the synthesis of battery-grade ferric phosphate (FePO4·2H2O) using high-pressure hydrolyzed precipitates of cobalt–iron alloy acid solution. The size of the prepared FePO4·2H2O samples was about 5–10 μm, and the microstructure of FePO4·2H2O was polyhedral. The FePO4·2H2O samples exhibited a high Fe/P ratio (1.03) compared with standard ferric phosphate (0.98–1.02), indicating potentially good electrochemical performance. The significance of the current work is that we have developed an effective method for the resource utilization of solid waste containing iron.

Graphical abstract: Synthesis of battery-grade FePO4·2H2O using high-pressure hydrolyzed precipitates of cobalt–iron alloy acid solution

Supplementary files

Article information

Article type
Communication
Submitted
27 Aug 2024
Accepted
25 Oct 2024
First published
05 Nov 2024

Chem. Commun., 2024, Advance Article

Synthesis of battery-grade FePO4·2H2O using high-pressure hydrolyzed precipitates of cobalt–iron alloy acid solution

X. Du, Z. Wang, B. Zheng, S. Shi, W. Xu, S. Wang, P. Shi, T. Zhou and G. Gao, Chem. Commun., 2024, Advance Article , DOI: 10.1039/D4CC04381B

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