Battery cell, battery, electric device and winding equipment

Battery cell, battery, electric device and winding equipment

The utility model discloses a single battery, a battery, a power utilization device and winding equipment, the single battery comprises an electrode assembly and a supporting piece, the electrode assembly is formed by sequentially stacking a first pole piece, an isolating membrane and a second pole...

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Hauptverfasser: TENG GUOPENG, LIAN ZHEN
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 TENG GUOPENG
LIAN ZHEN
description The utility model discloses a single battery, a battery, a power utilization device and winding equipment, the single battery comprises an electrode assembly and a supporting piece, the electrode assembly is formed by sequentially stacking a first pole piece, an isolating membrane and a second pole piece and winding the first pole piece, the isolating membrane and the second pole piece in the winding direction, the electrode assembly is provided with a winding center hole, and the supporting piece is arranged in the winding center hole; the supporting piece is provided with a first end. The first end is connected with the isolating membrane. According to the embodiment of the invention, the supporting piece can provide supporting force for the electrode assembly and resist collapse deformation of the electrode assembly, so that the problem that the performance of the battery is reduced is solved, and the service life of the battery is effectively prolonged. 本申请公开了一种电池单体、电池、用电装置以及卷绕设备，所述电池单体包括电极组件以及支撑件，电极组件由第一
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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, battery, electric device and winding equipment
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