Issue 83, 2019
From the journal:

Chemical Communications

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

Jiahui Dong,ab   Yu Lei,ab   Da Han,a   Huwei Wang,c   Dengyun Zhai, ORCID logo *a   Baohua Li ORCID logo a  and  Feiyu Kang*ab  

* Corresponding authors

a Engineering Laboratory for Functionalized Carbon Materials, Shenzhen Key Laboratory for Graphene-Based Materials, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
E-mail: zhaidy0404@sz.tsinghua.edu.cn

b School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

c Environmental Science and New Energy Technology Engineering Laboratory, Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, China

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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Article information

DOI
https://doi.org/10.1039/C9CC06248C
Article type
Communication
Submitted
12 Aug 2019
Accepted
13 Sep 2019
First published
14 Sep 2019

Chem. Commun., 2019,55, 12555-12558

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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, 55, 12555 DOI: 10.1039/C9CC06248C

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