METHOD FOR DETERMINING DEGREE OF WETTING BY USING LOW CURRENT TEST

METHOD FOR DETERMINING DEGREE OF WETTING BY USING LOW CURRENT TEST

Provided is a method for determining the wetting degree of a lithium ion battery cell using a low current test. The wetting degree determination method according to the present disclosure includes a) obtaining, as a reference charge profile, a charge profile recorded while charging a reference batte...

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Hauptverfasser: LEE, YONG-TAE, KO, MYUNG-HOON, KIM, JEE-HO, PARK, PIL-KYU
Format: Patent
Sprache:eng ; pol
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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 LEE, YONG-TAE
KO, MYUNG-HOON
KIM, JEE-HO
PARK, PIL-KYU
description Provided is a method for determining the wetting degree of a lithium ion battery cell using a low current test. The wetting degree determination method according to the present disclosure includes a) obtaining, as a reference charge profile, a charge profile recorded while charging a reference battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less, b) measuring and recording a charge profile while charging another battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less in the same way as the reference battery cell, and c) determining the wetting degree of another battery cell relative to the reference battery cell by comparative analysis of the reference charge profile and the measured charge profile.
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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 DETERMINING DEGREE OF WETTING BY USING LOW CURRENT TEST
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