Electrochemical power generation systems, namely, electric power generators for mining vehicles incorporating fuel cells, fuel cell stacks and membrane electrode assemblies therefor; Electrochemical power generators to convert fuel and oxidant to direct current electricity for mining vehicles and their structural parts and assemblies, with one or more stacks of electrochemical fuel cells with anodes, cathodes and solid polymer electrolytes; Electrochemical power generation systems, namely, electric power generators for vessels, ships, boats, marine vehicles, land vehicles, railway cars, trains, railway vehicles and off-highway construction incorporating fuel cells, fuel cell stacks and membrane electrode assemblies therefor; Electrochemical power plants to convert fuel and oxidant to direct current electricity for stationary, portable, transportation and electrical power distribution blocks applications, with one or more stacks of electrochemical fuel cells with anodes, cathodes and solid polymer electrolytes and associated fuel and oxidant supply equipment and apparatus, namely, pumps, compressors, valves, humidifiers, humidity exchangers, fuel tanks, fuel vaporizers, filters, oxidant purifiers, oxidant converters and controls, all being part of the electrochemical power plants; Electrochemical power generators to convert fuel and oxidant to direct current electricity for vessels, ships, boats, marine vehicles, land vehicles, railway cars, trains, railway vehicles and off-highway construction and their structural parts and assemblies, with one or more stacks of electrochemical fuel cells with anodes, cathodes and solid polymer electrolytes; Modular electric power generators for use in assembling stationary, distributed power generation systems

Fuel cells, fuel cell stacks; Membrane electrode assemblies for fuel cells with anodes, cathodes and solid polymer electrolytes