NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS LITHIUM TYPE POWER STORAGE ELEMENT, AND NONAQUEOUS LITHIUM TYPE POWER STORAGE ELEMENT USING THE SAME

PROBLEM TO BE SOLVED: To provide a negative electrode material for nonaqueous lithium type power storage elements, which has high energy density, high power, and superior durability, and to provide a nonaqueous lithium type power storage element using the negative electrode material.SOLUTION: The ne...

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Hauptverfasser:	TSUBATA TOSHIO, OKADA NOBUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a negative electrode material for nonaqueous lithium type power storage elements, which has high energy density, high power, and superior durability, and to provide a nonaqueous lithium type power storage element using the negative electrode material.SOLUTION: The negative electrode material for nonaqueous lithium type power storage elements is a composite porous material, where a carbonaceous material is deposited on a surface of active carbon. For the negative electrode materials for nonaqueous lithium type power storage elements, in a differential thermal analysis (DTA) under atmospheric gas flow of the composite porous material, temperature of the highest temperature peak should be ≥650°C and ≤730°C in three kinds of heat generation decomposition peaks observed in measurement, where temperature rises at 5°C/min for changing into a carbon dioxide gas, within a platinum cell.