Method for recovering electrolyte of retired power lithium battery

Method for recovering electrolyte of retired power lithium battery

The invention relates to the field of lithium batteries, and particularly relates to a method for recovering electrolyte of a retired power lithium battery. The method comprises the following steps: disassembling a retired power lithium battery to obtain the electrolyte of the retired power lithium...

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Hauptverfasser: GAO YUECHUN, MAO XINCHANG
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 GAO YUECHUN
MAO XINCHANG
description The invention relates to the field of lithium batteries, and particularly relates to a method for recovering electrolyte of a retired power lithium battery. The method comprises the following steps: disassembling a retired power lithium battery to obtain the electrolyte of the retired power lithium battery, and filtering the electrolyte of the retired lithium battery to remove insoluble impurities; inserting two graphite electrodes of which the surfaces are bonded with a layer of conductive adhesive into the electrolyte of the retired lithium battery in an inert atmosphere; constructing a closed loop and carrying out large-current charging and discharging on the closed loop, collecting solid precipitates which are formed in the charging and discharging process, attached to the surface of the graphite electrode and fall into the solution, separating the solid precipitates from the electrolyte solution, and finally roasting the solid precipitates to obtain the lithium oxide; and fractionating the organic mixed
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Method for recovering electrolyte of retired power lithium battery
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