An electrochemical element comprising an alkaline electrolyte and an anode containing a zinc powder, with no mercury or cadmium having been added during its production and its mercury content being less than 0.1 ppm and its cadmium content being less that ...

A mini fuel cell battery comprising at least one battery module, each battery module comprising: a body unit (1); and at least two fuel cell units which are disposed to the body unit (1) and define an anodic space (15) therebetween, wherein each fuel cell ...

A consumer battery which uses fuel cell technology and preferably complies with the standards of size and voltage of traditional batteries, wherein the consumer battery comprises two independent parts which are separable from one another, consisting of an ...

An electrochemical cell contains an anode, a separator, and a cathode composed of manganese dioxide, and incorporating an inorganic crystalline additive of tungsten oxide, compounds of zirconium, titanium oxide with rutile structure, yttrium oxide, cerium ...