Tuning the performance of zinc hexacyanoferrate cathodes via ferrocyanide/ferricyanide precursor selection for high-efficiency zinc-ion storage

Jiayao Wang; Zewei Hu; Qingqing Zheng; Xin Wang; Haiying Lu; Yuju Qi; Fuliang Chen; Chao Han; Chandrasekar M. Subramaniyam; Weijie Li

doi:10.1039/D5CC06845B

Tuning the performance of zinc hexacyanoferrate cathodes via ferrocyanide/ferricyanide precursor selection for high-efficiency zinc-ion storage

Jiayao Wang,

^a Zewei Hu,

^a Qingqing Zheng,

^a Xin Wang,^a Haiying Lu,^a Yuju Qi,^a Fuliang Chen,

^a Chao Han,^b Chandrasekar M. Subramaniyam

^c and Weijie Li*^a

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* Corresponding authors

^a State Key Laboratory for Powder Metallurgy, Central South University, Changsha, China
E-mail: li-306@csu.edu.cn

^b School of Materials Science and Engineering, Central South University, Changsha, China

^c Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Boadilla del Monte, Madrid, Spain

Abstract

Prussian blue analogs (PBAs) are promising zinc-ion battery cathodes. This study synthesized ZnHCF using Na₄[Fe(CN)₆], K₃[Fe(CN)₆], and K₄[Fe(CN)₆] precursors. K₃[Fe(CN)₆]-derived ZnHCF exhibited minimal water/alkali residue and superior cyclability (70.5% retention after 800 cycles), providing insights for optimizing PBAs-based cathodes.

Chemical Communications

Tuning the performance of zinc hexacyanoferrate cathodes via ferrocyanide/ferricyanide precursor selection for high-efficiency zinc-ion storage

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Tuning the performance of zinc hexacyanoferrate cathodes via ferrocyanide/ferricyanide precursor selection for high-efficiency zinc-ion storage

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