Negative electrode active material and manufacturing method therefor, and negative electrode using negative electrode active material, and non-aqueous electrolyte secondary battery

• Main Authors: MATSUSHITA MASASHI, UCHIKOSHI AKINARI, OMIGAWA YUU, YAMAZAKI SATOSHI, NISHIMURA TAKESHI, HIKAMI TOSHIYA, NAKAMURA KENICI, NISHIKUBO HIDEO, SASAKI HIROKAZU
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2016
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CASTING; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING METALLIC POWDER

Provided is a negative electrode active material characterized by a composition that includes silicon and an element (M) that can form a compound with silicon, and that first precipitates out a compound of silicon and the element (M) when the composition of silicon and the element (M) is cooled from...