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Rechargeable batteries based on stable redox reactions of disulfide included in a metal-organic framework as ligands

金属有機構造体内のジスルフィド配位子の安定な酸化還元反応による二次電池

清水 剛志*; Wang, H.*; 谷藤 尚貴*; 松村 大樹  ; 吉村 真史*; 中西 康次*; 太田 俊明*; 吉川 浩史*

Shimizu, Takeshi*; Wang, H.*; Tanifuji, Naoki*; Matsumura, Daiju; Yoshimura, Masashi*; Nakanishi, Koji*; Ota, Toshiaki*; Yoshikawa, Hirofumi*

Disulfide, which is a sub-group of organosulfides, has been studied as a promising cathode active material. Herein, to improve battery performance, we inserted disulfide into Cu-based metal organic framework (MOF) as a ligand. As a result, the disulfide inserted MOF exhibited a high capacity based on dual redox reactions of Cu ions and disulfide ligands, and a stable cycle performance. The S $$K$$-edge X-ray absorption fine structure analyses revealed a reversible cleavage and formation of S-S bond in the MOF during discharge and charge process.

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パーセンタイル:20.27

分野:Chemistry, Multidisciplinary

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