Battery manufacturing method and battery

Battery manufacturing method and battery

A method for manufacturing a battery includes: preparing an electrode group (2) of a winding type in which a separator and an electrode plate are laminated and wound, the electrode group (2) having a recess (70) in which the electrode plate is shorter than a second region (R2) located on an outer ed...

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Hauptverfasser: UEGAKI SHUNSUKE, OKIMOTO RYOTA, HIROSE TAKAYUKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator UEGAKI SHUNSUKE
OKIMOTO RYOTA
HIROSE TAKAYUKI
description A method for manufacturing a battery includes: preparing an electrode group (2) of a winding type in which a separator and an electrode plate are laminated and wound, the electrode group (2) having a recess (70) in which the electrode plate is shorter than a second region (R2) located on an outer edge side than a first region (R1) in a first region (R1) continuous from an inner edge of one end portion in an axial direction (E); the end of the electrode plate in the second region (R2) is bent in the radial direction (B) of the electrode group (2), the bent end and the collector plate are joined, the electrode group (2) to which the collector plate is joined is inserted into the outer can (4), the collector plate and the bottom surface of the outer can (4) are made to face each other, a pressing device (72) is inserted into the center space of the electrode group (2), the collector plate is pressed against the bottom surface, and the electrode group (2) is formed. The collector plate and the outer can (4) are j
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Battery manufacturing method and battery
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