A novel cationic-ordering fluoro-polyanionic cathode LiV0.5Fe0.5PO4F and its single phase Li+ insertion/extraction behaviour†,10.1039/C3RA44094J

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Lactoyl-CoA 全氟丁基戊烷白叶藤碱全氟己基辛烷新白叶藤碱壳寡糖特色专题-生物多肽

A novel cationic-ordering fluoro-polyanionic cathode LiV0.5Fe0.5PO4F and its single phase Li+ insertion/extraction behaviour†

Zhen-Dong Huang,Yuki Orikasa,Titus Masese,Kentaro Yamamoto,Takuya Mori,Taketoshi Minato,Yoshiharu Uchimoto

RSC Advances Pub Date : 10/04/2013 00:00:00 , DOI:10.1039/C3RA44094J

Abstract

A novel fluoro-polyanionic cathode LiV_0.5Fe_0.5PO₄F is synthesized via a wet ball-milling-assisted solid state method. Cationic ordering of V³⁺ and Fe³⁺ results in a single phase behaviour over the lithium composition range of Li_1±xV_0.5Fe_0.5PO₄F (0 < x < 0.5) as revealed by X-ray diffraction analysis and electrochemical tests. This finding offers a versatile strategy of introducing single-phase behaviour in promising fluoro-polyanionic compounds exhibiting two-phase mechanisms.