A high voltage honeycomb layered cathode framework for rechargeable potassium-ion battery: P2-type K2/3Ni1/3Co1/3Te1/3O2

Titus Masese; Kazuki Yoshii; Minami Kato; Keigo Kubota; Zhen-Dong Huang; Hiroshi Senoh; Masahiro Shikano

doi:10.1039/C8CC07239F

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A high voltage honeycomb layered cathode framework for rechargeable potassium-ion battery: P2-type K_2/3Ni_1/3Co_1/3Te_1/3O₂†

Titus Masese,

*^a Kazuki Yoshii,

^a Minami Kato,

^a Keigo Kubota,^b Zhen-Dong Huang,*^c Hiroshi Senoh^a and Masahiro Shikano

Author affiliations

* Corresponding authors

^a Department of Energy and Environment, Research Institute of Electrochemical Energy (RIECEN), National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
E-mail: titus.masese@aist.go.jp

^b AIST-Kyoto University Chemical Energy Materials Open Innovation Laboratory (ChEM-OIL), Sakyo-ku, Kyoto 606-8501, Japan

^c Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
E-mail: iamzdhuang@njupt.edu.cn

Abstract

The designing of high voltage cathode materials is critical for the advancement of potassium-ion (K-ion) battery. Herein, we present a new honeycomb framework P2-type K_2/3Ni_1/3Co_1/3Te_1/3O₂ (or equivalently written as K₂NiCoTeO₆) which exhibits the highest voltage on record (beyond 4 V versus K⁺/K) for layered cathode materials. This work will allow for the further development of, particularly, high voltage layered cathodes for K-ion battery.

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Article information

DOI: https://doi.org/10.1039/C8CC07239F
Article type: Communication
Submitted: 06 Sep 2018
Accepted: 20 Dec 2018
First published: 21 Dec 2018

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Chem. Commun., 2019,55, 985-988

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A high voltage honeycomb layered cathode framework for rechargeable potassium-ion battery: P2-type K_2/3Ni_1/3Co_1/3Te_1/3O₂

T. Masese, K. Yoshii, M. Kato, K. Kubota, Z. Huang, H. Senoh and M. Shikano, Chem. Commun., 2019, 55, 985 DOI: 10.1039/C8CC07239F

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Chemical Communications