HEAT-INSULATING SHEET FOR BATTERY PACK, AND BATTERY PACK

A heat-insulating sheet for a battery pack, ensuring that an excellent heat-insulating performance may be obtained in a wide temperature range from a temperature during normal use of a battery to a high temperature of 500°C or more and preferably, even when the compressive stress on the heat-insulat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Takahashi, Naoki, Ando, Hisashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS THEREOF ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INORGANIC CHEMISTRY JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PIPES PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A heat-insulating sheet for a battery pack, ensuring that an excellent heat-insulating performance may be obtained in a wide temperature range from a temperature during normal use of a battery to a high temperature of 500°C or more and preferably, even when the compressive stress on the heat-insulating sheet for a battery pack is increased, the excellent heat-insulating performance may be maintained, and a battery pack in which the heat-insulating sheet for a battery pack is interposed between battery cells are provided. A heat-insulating sheet 10 of the present invention is a heat-insulating sheet for a battery pack, the heat-insulating sheet being interposed between battery cells of the battery pack in which the battery cells are connected in series or in parallel, in which the heat-insulating sheet for the battery pack contains a first particle 21 made from a silica nanoparticle, a second particle 22 made from a metal oxide, and an organic fiber, wherein the first particle has an average particle diameter of 1 nm or more and 100 nm or less, and in which a content of the first particle 21 is 60 mass% or more and 95 mass% or less relative to a total mass of the first particle 21 and the second particle 22.