POWER STORAGE DEVICE, SECONDARY BATTERY AND MANUFACTURING METHOD OF POWER STORAGE DEVICE

PROBLEM TO BE SOLVED: To provide a power storage device and a secondary battery in which the time required for doping a negative electrode or a positive electrode with lithium, as a carrier of electrical charges, can be shortened after assembly of the power storage device or the secondary battery, w...

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Hauptverfasser:	NAKAGAWA SATOSHI, NAKANISHI MASATAKA, SATO TOMOYA, KAWASUMI KAZUHITO, NIWA JUNICHI
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power storage device and a secondary battery in which the time required for doping a negative electrode or a positive electrode with lithium, as a carrier of electrical charges, can be shortened after assembly of the power storage device or the secondary battery, without increasing the aperture ratio of a collector.SOLUTION: The secondary battery (power storage device) includes an electrode 10 for a secondary battery having an active material layer 12 formed by coating a metal collector 11 with an active material. A plurality of holes 13 are formed in the collector 11. The active material layer 12 is formed to cover the surface of an ion conductive material 14 on the side coated with the active material, in a state where the hole 13 is filled with the ion conductive material 14 through which lithium ions pass at a speed higher than the speed at which the lithium ions pass through the active material.