CYLINDRICAL BATTERY INCLUDING ELECTRODE GROUP AND CURRENT COLLECTOR PLATE

In a winding electrode group a separator and an electrode plate are stacked and wound. A first current collector plate includes a ring member and a partial ring member. The partial ring member is joined, in a first welded part (embodiment), to each of a plurality of first electrode core members arra...

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Hauptverfasser: SHINOBU, Tomoaki, MORIYAMA, Yusuke, HIROSE, Takayuki, YAGI, Haruhisa
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creator SHINOBU, Tomoaki
MORIYAMA, Yusuke
HIROSE, Takayuki
YAGI, Haruhisa
description In a winding electrode group a separator and an electrode plate are stacked and wound. A first current collector plate includes a ring member and a partial ring member. The partial ring member is joined, in a first welded part (embodiment), to each of a plurality of first electrode core members arranged in a radial direction of the electrode group. Of a plurality of first welded parts (embodiment), two first welded parts (embodiment) adjacent in the radial direction are disposed at positions shifted in a winding direction intersecting the radial direction.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TESTING
title CYLINDRICAL BATTERY INCLUDING ELECTRODE GROUP AND CURRENT COLLECTOR PLATE
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