ALL-SOLID TYPE SECONDARY BATTERY

• Main Authors: TAKAI MITSURU, SATO HIROSHI, OKANO YASUHISA
• Format: Patent
• Language: English; Japanese
• Published: 07.12.2015
• 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 an all-solid type secondary battery which enables the achievement of a good efficiency of use of a lithium ion.SOLUTION: An all-solid type secondary battery comprises: a columnar or cylindrical current collector of a first pole; a first active material covering the outer surface of the current collector of the first pole; a solid electrolyte covering the outer surface of the first active material; a second active material covering the outer surface of the solid electrolyte; a current collector of a second pole covering the outer surface of the second active material; and an insulator layer covering the outer surface of the current collector of the second pole. 【課題】リチウムイオンの利用効率が良い全固体型二次電池を提供することを目的とする。【解決手段】円柱もしくは円筒状の第１極の集電体を備え、前記第１極の集電体の外側面が第１の活物質で被覆され、前記第１の活物質の外側面が固体電解質で被覆され、前記固体電解質の外側面が第２の活物質で被覆され、前記第２の活物質の外側面が第２極の集電体で被覆され、前記第２極の集電体の外側面が絶縁層で被覆されていることを特徴とする、全固体型二次電池によって達成される。【選択図】図１