ALL-SOLID BATTERY AND MANUFACTURING METHOD THEREOF

• Main Authors: MIYATAKE KAZUFUMI, TSUCHIDA SHUZO, HORIKAWA AKIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 13.08.2020
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide an all-solid battery with improved battery performance while suppressing deterioration of the all-solid battery in use.SOLUTION: An all-solid battery 100 includes: a positive electrode current collector 6; a negative electrode current collector 7; a positive electrode layer 20 formed on the positive electrode current collector 6 and including a positive electrode active material 3 and a solid electrolyte 1; a negative electrode layer 30 formed on the negative electrode current collector 7 and including a negative electrode active material 4 and a solid electrolyte 5; and a solid electrolyte layer 10 disposed between the positive electrode layer 20 and the negative electrode layer 30, and including a solid electrolyte 2, and a part of at least one of the solid electrolyte 1 and the solid electrolyte 5 being a porous solid electrolyte.SELECTED DRAWING: Figure 1 【課題】使用中の全固体電池の劣化を抑制しつつ、電池性能が向上した全固体電池等を提供する。【解決手段】全固体電池１００は、正極集電体６と、負極集電体７と、正極集電体６上に形成され、正極活物質３および固体電解質１を含む正極層２０と、負極集電体７上に形成した負極活物質４および固体電解質５を含む負極層３０と、正極層２０と負極層３０との間に配置され、固体電解質２を含む固体電解質層１０と、を備え、固体電解質１および固体電解質５の少なくとも一方の一部が、多孔性の固体電解質である。【選択図】図１