NOVELTY - Electrochemical power system for generating electromotive force (EMF) and thermal energy comprises a cathode; an anode; and reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport.    USE - The electrochemical power system is useful for generating EMF and thermal energy (claimed).    DETAILED DESCRIPTION - Electrochemical power system for generating electromotive force (EMF) and thermal energy comprises a cathode; an anode; and reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport, comprising at least two components selected from: (a) a source of catalyst or a catalyst comprising at least one of nH, hydroxide (OH), OH-, water (H2O), dihydrogen sulfide (H2S), or MNH2 where n is an integer and M is alkali metal; (b) a source of atomic hydrogen or atomic hydrogen; and (c) reactants to form at least one of the source of catalyst, the catalyst, the source of atomic hydrogen, and the atomic hydrogen; one or more reactants to initiate the catalysis of atomic hydrogen; and a support; or electrochemical power system for generating EMF and thermal energy comprises a cathode; an anode, and reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport, comprising at least two components selected from: (a) a source of catalyst or catalyst comprising at least one oxygen species selected from O2, O3, O3+, O, O+, H2O, OH, OH+, OH-, HOOH, OOH-, O-, O2-, O2-, and O22- that undergoes an oxidative reaction with a H species to form at least one of OH and H2O, where the H species comprises at least one of H2, H, H+H2O, H3O+, OH, OH+, OH-, HOOH, and OOH-; (b) a source of atomic hydrogen or atomic hydrogen; and (c) reactants to form at least one of the source of catalyst, the catalyst, the source of atomic hydrogen, and the atomic hydrogen; and one or more reactants to initiate the catalysis of atomic hydrogen; and a support.