Rectangular secondary battery

Rectangular secondary battery

The purpose of the present invention is to provide a higher capacity rectangular secondary battery. This rectangular secondary battery (100) has: flat wound electrode groups (3) having a foil laminated section wherein foil exposure sections (34b, 32b) are laminated on both sides in the winding axis...

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Hauptverfasser: HIRANO FUJIO, IWASA MASAAKI
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator HIRANO FUJIO
IWASA MASAAKI
description The purpose of the present invention is to provide a higher capacity rectangular secondary battery. This rectangular secondary battery (100) has: flat wound electrode groups (3) having a foil laminated section wherein foil exposure sections (34b, 32b) are laminated on both sides in the winding axis direction; a battery case (1) wherein a plurality of wound electrode groups (3) are housed in parallel; collector plates (200, 210) joined to the foil laminated sections inside the battery case (1); and external terminals (14, 12) connected to the collector plates (200, 210) and exposed to the outside of the battery case (1). The rectangular secondary battery is characterized by: at least two of the wound electrode groups (3) having joined-side laminated sections (34b-1, 32b-1) and non-joined-side laminated sections (34b-2, 32b-2) that split the foil laminated section into two in the thickness direction; and the joined-side laminated sections (34b-1, 32b-1) being bundled and joined to the collector plates (200, 210
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This rectangular secondary battery (100) has: flat wound electrode groups (3) having a foil laminated section wherein foil exposure sections (34b, 32b) are laminated on both sides in the winding axis direction; a battery case (1) wherein a plurality of wound electrode groups (3) are housed in parallel; collector plates (200, 210) joined to the foil laminated sections inside the battery case (1); and external terminals (14, 12) connected to the collector plates (200, 210) and exposed to the outside of the battery case (1). The rectangular secondary battery is characterized by: at least two of the wound electrode groups (3) having joined-side laminated sections (34b-1, 32b-1) and non-joined-side laminated sections (34b-2, 32b-2) that split the foil laminated section into two in the thickness direction; and the joined-side laminated sections (34b-1, 32b-1) being bundled and joined to the collector plates (200, 210</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Rectangular secondary battery
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