GB/T 41704-2022 Active National standards

GB/T 41704-2022 Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content

Publish Date: 2022-10-12 Implement Date: 2023-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 41704-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analytical methods for powder metallurgy

ICS Name: Powder metallurgy

Publish Date: 2022-10-12

Implement Date: 2023-02-01

Pages: 12 pages

Scope

This document specifies the determination methods for the content of magnetic foreign matter and residual alkali in cathode materials of lithium-ion batteries.
This document is applicable to the determination of the content of magnetic foreign matter and residual alkali in cathode materials of lithium-ion batteries. The determination range of magnetic foreign matter content is ≥1 μg/kg, and the determination range of residual alkali content (mass fraction) is 0.001% to 2.500%.

Development Information

Word Count: 26 Thousand words Pages: 12 pages

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

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