BATTERY CELL AND ELECTRIC APPARATUS

A battery cell (1) includes an electrode assembly (200) wound to form an in-cell space (201) and a first tab (300). The electrode assembly (200) includes a first electrode plate (210) wound to form a plurality of first flat portions (211) extending straight. Along a direction perpendicular to the pl...

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Hauptverfasser: WANG, Kun, DAI, Zhifang
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DAI, Zhifang
description A battery cell (1) includes an electrode assembly (200) wound to form an in-cell space (201) and a first tab (300). The electrode assembly (200) includes a first electrode plate (210) wound to form a plurality of first flat portions (211) extending straight. Along a direction perpendicular to the plurality of first flat portions (211), all the first flat portions (211) are located at a same side of the in-cell space (201) surrounded by the electrode assembly (200). The first tab (300) includes a first connection portion (310) connected to at least two of the plurality of first plat portions (211) and a first extension portion (320) including a first extension segment (321) arranged obliquely relative to an end face of the electrode assembly (200). A first end (3211) of the first extension segment (321) is connected to the first connection portion (310), and the first extension segment (321) gradually approaches the electrode assembly (200) from the first end (3211) to a second end (3212) of the first extension segment (321).
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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 CELL AND ELECTRIC APPARATUS
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