SODIUM MOLTEN SALT BATTERY

• Main Authors: FUKUNAGA ATSUSHI, ITANI EIKO, NUMATA KOMA, SAKAI SHOICHIRO, NITTA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 02.02.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a sodium molten salt battery excellent in charge/discharge cycle characteristics.SOLUTION: A sodium molten salt battery includes: a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; a separator interposed between the positive electrode and the negative electrode; a molten salt electrolyte including an ionic liquid and a sodium salt; aluminosilicate disposed to be in contact with the molten salt electrolyte; and a battery case for housing an electrode group including the positive electrode, the negative electrode and the separator. 【課題】充放電サイクル特性に優れたナトリウム溶融塩電池を提供する。【解決手段】正極活物質を含む正極と、負極活物質を含む負極と、前記正極と前記負極との間に介在するセパレータと、イオン性液体とナトリウム塩とを含む溶融塩電解質と、前記溶融塩電解質に接して配置されたアルミノシリケートと、前記正極、前記負極および前記セパレータを含む電極群を収容する電池ケースと、を含む、ナトリウム溶融塩電池である。【選択図】図５