Apparatus for the generation of hydrogen and/or oxygen by means of electricity, including alkaline electrolysers and proton exchange membrane [PEM] electrolysers; electrolysers and parts therefor, for example anodes, cathodes, membranes and gas separators; accumulators, electric, having integrated electrolysis apparatus; electronic controllers; computer operating programs; energy control devices (electronic); control panels (electric) for use with electrolysers; current transformers; electron...