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用于可充电钾离子电池的高压蜂窝层状阴极骨架:P2 型 KNiCoTeO。

A high voltage honeycomb layered cathode framework for rechargeable potassium-ion battery: P2-type KNiCoTeO.

机构信息

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.

出版信息

Chem Commun (Camb). 2019 Jan 17;55(7):985-988. doi: 10.1039/c8cc07239f.

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 K2/3Ni1/3Co1/3Te1/3O2 (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.

摘要

高压阴极材料的设计对于钾离子(K-ion)电池的发展至关重要。在此,我们提出了一种新的蜂窝状框架 P2 型 K2/3Ni1/3Co1/3Te1/3O2(或等效地表示为 K2NiCoTeO6),其对于层状阴极材料表现出创纪录的最高电压(相对于 K+/K 超过 4 V)。这项工作将特别允许进一步开发高压层状阴极用于 K 离子电池。

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