Air‐Stable Copper‐Based P2‐Na 7/9 Cu 2/9 Fe 1/9 Mn 2/3 O 2  as a New Positive Electrode Material for Sodium‐Ion Batteries | Zendy

Li Yunming | Zendy; Yang Zhenzhong | Zendy; Xu Shuyin | Zendy; Mu Linqin | Zendy; Gu Lin | Zendy; Hu YongSheng | Zendy; Li Hong | Zendy; Chen Liquan | Zendy

Open Access

Air‐Stable Copper‐Based P2‐Na 7/9 Cu 2/9 Fe 1/9 Mn 2/3 O 2 as a New Positive Electrode Material for Sodium‐Ion Batteries

Author(s) -

Li Yunming,

Yang Zhenzhong,

Xu Shuyin,

Mu Linqin,

Gu Lin,

Hu YongSheng,

Li Hong,

Chen Liquan

Publication year - 2015

Publication title -

advanced science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.388

H-Index - 100

ISSN - 2198-3844

DOI - 10.1002/advs.201500031

Subject(s) - copper , manganese , materials science , analytical chemistry (journal) , mineralogy , chemistry , metallurgy , environmental chemistry

An air‐stable copper‐based P2‐Na 7/9 Cu 2/9 Fe 1/9 Mn 2/3 O 2 is designed and synthesized by a simple solid‐state method and investigated as a positive electrode material for sodium‐ion batteries. The attractive long cycling stability is demonstrated by the capacity retention of 85% after 150 cycles at 1 C rate without phase transformation. The reversible Cu 2+ /Cu 3+ redox couple in P2 phase oxides is proved for the first time.

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