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Utilizing an autogenously protective atmosphere to synthesize a Prussian white cathode with ultrahigh capacity-retention for potassium-ion batteries

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Abstract

A facile, low-cost precipitation method, utilizing an autogenously protective atmosphere without the assistance of an inert atmosphere, is proposed to synthesize nano-sized Prussian white K1.62Fe[Fe(CN)6]0.92·0.33H2O. The cathode delivers a high capacity of 120.9 mA h g−1 at 50 mA g−1 and an ultrahigh capacity retention of 98.2% after 100 cycles.

Graphical abstract: Utilizing an autogenously protective atmosphere to synthesize a Prussian white cathode with ultrahigh capacity-retention for potassium-ion batteries

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Publication details

The article was received on 12 Aug 2019, accepted on 13 Sep 2019 and first published on 14 Sep 2019


Article type: Communication
DOI: 10.1039/C9CC06248C
Chem. Commun., 2019, Advance Article

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    Utilizing an autogenously protective atmosphere to synthesize a Prussian white cathode with ultrahigh capacity-retention for potassium-ion batteries

    J. Dong, Y. Lei, D. Han, H. Wang, D. Zhai, B. Li and F. Kang, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC06248C

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