GB/T 41704-2022
Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content (English Version)
- Standard No.
- GB/T 41704-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 41704-2022
- Scope
- This document specifies the methods for the determination of magnetic foreign matter content and residual alkali content in cathode materials for lithium-ion batteries. This document is applicable to the determination of magnetic foreign matter content and residual alkali content in lithium-ion battery cathode materials. The determination range of magnetic foreign matter content is ≥1μg/kg, and the determination range (mass fraction) of residual alkali content is 0.001%~2.500%.
GB/T 41704-2022 Referenced Document
- GB/T 601 Chemical reagent.Preparations of reference titration solutions
- GB/T 6682 Water for analytical laboratory use.Specification and test methods
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 41704-2022 history
- 2022 GB/T 41704-2022 Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content
