SJ/T 11795-2022: Test method for determining magnetic impurity content of electrode materials in lithium ion batteries

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Scope

This document specifies the test method for magnetic impurity content in electrode
materials of lithium-ion battery, including terms and definitions, test method summary,
instruments and appliances, reagents, environmental requirements, pre-treatment,
instrument analysis, result calculation, precision, reporting.
This document is applicable to the testing of magnetic impurity content between 10
μg/kg ~ 5000 μg/kg, in positive and negative electrode powder materials of lithium-ion
battery, their slurries, as well as binders, conductive agents and other auxiliary materials.
This standard is not applicable to the detection of magnetic impurity content in lithium
iron phosphate materials.

Basic Data

Standard ID	SJ/T 11795-2022 (SJ/T11795-2022)
Description (Translated English)	Test method for determining magnetic impurity content of electrode materials in lithium ion batteries
Sector / Industry	Electronics Industry Standard (Recommended)
Classification of Chinese Standard	L90
Word Count Estimation	7,778
Date of Issue	2022-04-08
Date of Implementation	2022-07-01
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the test methods for the content of magnetic foreign matter in lithium-ion battery electrode materials, including terms and definitions, test method summary, instruments and utensils, reagents, environmental requirements, pre-treatment, instrument analysis, result calculation, precision and reports. This standard is applicable to the detection of magnetic foreign matter content in lithium-ion battery positive and negative electrode powder materials and their slurries, as well as binders, conductive agents and other auxiliary materials between 10 ��g/kg and 5000 ��g/kg. This standard does not apply to the detection of magnetic foreign matter content in lithium iron phosphate materials.