Home / Standards / GB/T 41704-2022 GB/T 41704-2022 Active Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content 锂离子电池正极材料检测方法 磁性异物含量和残余碱含量的测定 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2022-10-14 Implementation 2023-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A