DIFF Subgroup
H01M 4/52 of nickel, cobalt or iron
Introduced: July 1974
Full Title
Electrodes > Electrodes composed of, or comprising, active material > Selection of substances as active materials, active masses, active liquids > of inorganic oxides or hydroxides > of nickel, cobalt or iron
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2010.
Child Classifications
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- H01M 4/525 of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy since 2010 IPC+CPC Available in IPC and CPC