abstract |
Anode comprises active compsn. of oxidising cpds. of Ni, Co or Ag intercalated in a metallic structure or a porous metal carrier, compsn. contains 0.01-6 pref. 0.1-2 wt % complex of formula: (where A forms an opt. substd. aromatic or heterocyclic ring, R1 and R2 are 1-4C alkyl or H, M is Mn, Fe or Co). |