PHOSPHORIC ACID DIESTER SALT, PRODUCTION METHOD THEREFOR, NON-AQUEOUS ELECTROLYTE FOR POWER STORAGE ELEMENT, AND POWER STORAGE ELEMENT

To provide a phosphoric acid diester salt which can suppress deterioration of charge-discharge characteristics of a power storage element, and can suppress the rise in internal resistance after storage at high temperature, a production method therefor, a non-aqueous electrolytic solution for a power...

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Hauptverfasser: SAKAGUCHI, Toshitaka, KATSURA, Yoshifumi, YAMAMOTO, Masashi, NISHIDA, Tetsuo, KON, Sojiro
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:To provide a phosphoric acid diester salt which can suppress deterioration of charge-discharge characteristics of a power storage element, and can suppress the rise in internal resistance after storage at high temperature, a production method therefor, a non-aqueous electrolytic solution for a power storage element, and a power storage element. The present invention is characterized by a phosphoric acid diester salt represented by the following chemical formula (1): wherein M n+ represents a hydrogen ion, an alkali metal ion, an alkali earth metal ion, an aluminum ion, a transition metal ion, or an onium ion; R 1 and R 2 are different from each other and represent a hydrocarbon group having 1 to 10 carbon atoms, or a hydrocarbon group having 1 to 10 carbon atoms and having at least one of a halogen atom, a heteroatom, and an unsaturated bond; and n represents a valence.