ALL-SOLID BATTERY NEGATIVE ELECTRODE AND ALL-SOLID LITHIUM SECONDARY BATTERY

• Main Authors: MITSUMOTO TETSUYA, IDE YOSHIHIKO, WASHIDA DAISUKE, NISHIDA TAKUMA
• Format: Patent
• Language: English; Japanese
• Published: 24.10.2019
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a new negative electrode capable of maintaining a conductive path of Li ions by maintaining a contact point between a negative electrode active material and a Li ion conductive resin in a charge and discharge cycle regarding a negative electrode used for an all-solid battery containing a Si-based negative electrode active material.SOLUTION: The all-solid battery negative electrode includes: a Li ion conductive resin; a negative active material containing a Si continuously covered with the Li ion conductive resin; and a conductive material.SELECTED DRAWING: None 【課題】Ｓｉ系負極活物質を含有する全固体電池に用いる負極に関し、充放電サイクルにおいて、当該負極活物質とＬｉイオン伝導性樹脂との接点を維持して、Ｌｉイオンの伝導性パスを維持することができる、新たな負極を提供する。【解決手段】Ｌｉイオン伝導性樹脂と、当該Ｌｉイオン伝導性樹脂に連続的に覆われているＳｉを含む負極活物質と、導電材とを備えた、全固体電池負極を提案する。【選択図】 なし