NONAQUEOUS ELECTROLYTE AIR SECONDARY BATTERY

• Main Authors: SHIGA TORU, HASE YOKO
• Format: Patent
• Language: English; Japanese
• Published: 30.07.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolytic solution air battery using at least one of calcium, magnesium, and zinc as electric charge carriers, which can be used as a secondary battery.SOLUTION: A nonaqueous electrolyte air secondary battery comprises: a positive electrode including oxygen as a positive electrode active material; a negative electrode; and a nonaqueous electrolytic solution including a supporting electrolyte including an ionic liquid, trifluoromethanesulfonate anions, and divalent metal cations of at least one metal selected from a group consisting of Mg, Ca and Zn. At least one of the positive electrode and the nonaqueous electrolytic solution includes a radical compound having a radical skeleton. 【課題】カルシウムやマグネシウム、亜鉛を電荷のキャリアとする非水電解液空気電池を二次電池化する。【解決手段】本発明の非水電解液空気二次電池は、酸素を正極活物質とする正極と、負極と、イオン液体とトリフルオロメタンスルホネートアニオン及びＭｇ、Ｃａ、Ｚｎからなる群より選ばれる１以上の２価金属カチオンを含む支持塩とを含む非水電解液と、を備え、正極及び非水電解液のうちの少なくとも一方は、ラジカル骨格を有するラジカル化合物を含んでいる。【選択図】なし