ALL-SOLID SECONDARY BATTERY

To provide an all-solid secondary battery.SOLUTION: An all-solid secondary battery includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. The negative electrode contains natural graphite. The natural grap...

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Hauptverfasser:	CHO BYEONGGYU, LEE KYULIN, KIM JIN KYU, LEE JEONGHYE, HAN SANG-IL
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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
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Zusammenfassung:	To provide an all-solid secondary battery.SOLUTION: An all-solid secondary battery includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. The negative electrode contains natural graphite. The natural graphite has an average grain diameter (D50) of more than 10 μm and 20 μm or less, and includes an amorphous carbon coating layer.SELECTED DRAWING: Figure 1 【課題】全固体二次電池を提供する。【解決手段】正極と、負極と、正極と負極との間に配置された固体電解質層と、を含み、該負極は、天然黒鉛を含み、該天然黒鉛は、平均粒径（Ｄ５０）が１０μｍ超過２０μｍ以下であり、非晶質炭素コーティング層を含む全固体二次電池を提供する。【選択図】図１