Patent ID: 7300721

Claim:
Alkaline secondary electrochemical generators with zinc anodes, the active mass of which comprises at least one conducting ceramic material, an additive including at least one insulating alkali metal titanate of the general formula (M 2 O) n (TiO 2 ) m xH 2 O in which M denotes Li, Na, K, Rb or Cs, n is between 0.5 and 2, m is between 1 and 10 and x is between 0 and 10, or an insulating alkaline earth metal titanate of the general formula (MO) n (TiO 2 ) m xH 2 O in which M denotes Mg, Ca, Sr or Ba, n is between 1 and 5, m is between 1 and 10 and x is between 0 and 10, wherein an electrolyte of the generator includes a highly concentrated alkaline solution and the active mass of the zinc anode contains an aluminium-based compound.