Lithium ion battery pole piece and lithium ion battery with same

Lithium ion battery pole piece and lithium ion battery with same

The utility model discloses a lithium ion battery pole piece and a lithium ion battery with the same. The lithium ion battery pole piece comprises a coating area, first blank areas and a second blank area, wherein two surfaces of the coating area are coated with active substances; the first blank ar...

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Hauptverfasser: ZHAN SHIYING, LI HAIJUN, MA MEIPIN
Format: Patent
Sprache: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 ZHAN SHIYING
LI HAIJUN
MA MEIPIN
description The utility model discloses a lithium ion battery pole piece and a lithium ion battery with the same. The lithium ion battery pole piece comprises a coating area, first blank areas and a second blank area, wherein two surfaces of the coating area are coated with active substances; the first blank areas are located at two ends of the pole piece; two surfaces of the first blank areas are not coated with the active substances; the first blank areas are wound and laminated and then are led out as tabs; the second blank area is arranged in the middle of the pole piece; and two surfaces of the second blank area are not coated with the active substances. According to the lithium ion battery pole piece disclosed by the utility model, a blank current collector is arranged in the middle of the pole piece, and the permeability of electrolyte which is injected in a liquid injection process in the subsequent procedure when penetrating through the blank current collector can be increased, so that the probability of uneven electrolyte absorption is reduced.
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According to the lithium ion battery pole piece disclosed by the utility model, a blank current collector is arranged in the middle of the pole piece, and the permeability of electrolyte which is injected in a liquid injection process in the subsequent procedure when penetrating through the blank current collector can be increased, so that the probability of uneven electrolyte absorption is reduced.</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 Lithium ion battery pole piece and lithium ion battery with same
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