Improved Reversibility of Fe 3+ /Fe 4+  Redox Couple in Sodium Super Ion Conductor Type Na 3 Fe 2 (PO 4 ) 3  for Sodium‐Ion Batteries | Zendy

Rajagopalan Ranjusha | Zendy; Chen Bo | Zendy; Zhang Zhicheng | Zendy; Wu XingLong | Zendy; Du Yonghua | Zendy; Huang Ying | Zendy; Li Bing | Zendy; Zong Yun | Zendy; Wang Jie | Zendy; Nam GwangHyeon | Zendy; Sindoro Melinda | Zendy; Dou Shi Xue | Zendy; Liu Hua Kun | Zendy; Zhang Hua | Zendy

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Improved Reversibility of Fe 3+ /Fe 4+ Redox Couple in Sodium Super Ion Conductor Type Na 3 Fe 2 (PO 4 ) 3 for Sodium‐Ion Batteries

Author(s) -

Rajagopalan Ranjusha,

Chen Bo,

Zhang Zhicheng,

Wu XingLong,

Du Yonghua,

Huang Ying,

Li Bing,

Zong Yun,

Wang Jie,

Nam GwangHyeon,

Sindoro Melinda,

Dou Shi Xue,

Liu Hua Kun,

Zhang Hua

Publication year - 2017

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201605694

Subject(s) - materials science , ion , inorganic chemistry , redox , sodium , analytical chemistry (journal) , radiochemistry , physics , chemistry , metallurgy , chromatography , quantum mechanics

The methodology employed here utilizes the sodium super ion conductor type sodium iron phosphate wrapped with conducting carbon network to generate a stable Fe 3+ /Fe 4+ redox couple, thereby exhibiting higher operating voltage and energy density of sodium‐ion batteries. This new class of sodium iron phosphate wrapped by carbon also displays a cycling stability with >96% capacity retention after 200 cycles.

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