Aluminum current collector with root-shaped structure for lithium battery and preparation method of aluminum current collector

Aluminum current collector with root-shaped structure for lithium battery and preparation method of aluminum current collector

The invention discloses an aluminum current collector with a root-shaped structure for a lithium battery and a preparation method of the aluminum current collector, relates to an aluminum current collector and a preparation method of the aluminum current collector, and aims to solve the technical pr...

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Hauptverfasser: SONG JINPENG, YANG GUOBO, LIU ZHEYUAN, LIU SHAOSHUAI, GENG LIN, CONG GUANGHUI, ZHANG XIN, HUANG YATING, HUANG LUJUN
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 SONG JINPENG
YANG GUOBO
LIU ZHEYUAN
LIU SHAOSHUAI
GENG LIN
CONG GUANGHUI
ZHANG XIN
HUANG YATING
HUANG LUJUN
description The invention discloses an aluminum current collector with a root-shaped structure for a lithium battery and a preparation method of the aluminum current collector, relates to an aluminum current collector and a preparation method of the aluminum current collector, and aims to solve the technical problems of poor structural controllability, unstable performance, high preparation cost and serious environmental pollution of the aluminum current collector in the conventional method for improving the adhesive capacity of the aluminum current collector for the lithium battery. According to the aluminum current collector with the root-shaped structure for the lithium battery, through holes with consistent pore diameters are uniformly distributed in aluminum foil, cracks are distributed in the inner walls of the through holes, and the through holes with the cracks are of the root-shaped structure. The preparation method comprises the following steps: cleaning and drying the aluminum foil, carrying out laser etching
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According to the aluminum current collector with the root-shaped structure for the lithium battery, through holes with consistent pore diameters are uniformly distributed in aluminum foil, cracks are distributed in the inner walls of the through holes, and the through holes with the cracks are of the root-shaped structure. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Aluminum current collector with root-shaped structure for lithium battery and preparation method of aluminum current collector
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