A high voltage honeycomb layered cathode framework for rechargeable potassium-ion battery: P2-type K₂/₃Ni₁/₃Co₁/₃Te₁/₃O₂
2019
Masese, Titus | Yoshii, Kazuki | Kato, Minami | Kubota, Keigo | Huang, Zhen-Dong | Senoh, Hiroshi | Shikano, Masahiro
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.
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