(US4738904-A)      Thermoelectrochemical system for generating a continuous electrical current from a heat input at a predetermined temp. below about 250 deg.C comprises (a) an electrochemical cell having a cathode compartment (I) and an anode compartment (II), which compartments have a common ion permeable sepn. wall; (b) a hydrogen ion reacting cathode and a hydrogen ion reacting anode, located within the cathode and anode compartments, respectively, the cathode and anode being connectable externally of the cell for generation of the electrical current between them; (c) a cathode fluid comprising a chosen Bronsted acid, located in (I) and in contact with the cathode, in which H2 gas or H2O is generated or collected, and the acid is consumed during generation of the electrical current; (d) an anode fluid comprising a chosen Bronsted base located in (II) and in contact with the anode, wherein (1) a cation of the base is generated and the base and H2 or H2O are consumed at the anode during generation of the electrical current; (2) the cation of the base and the anion of the acid combine to form a salt which can be thermally decomposed at the temp. below 250 deg.C to form the acid as a first decompsn. prod. and the base as a second decompsn. prod. which can be sepd. to regenerate the acid and the base; and (3) at least one of the acid and the base comprises an organic material; (e) thermal regenerator means for thermally converting the salt comprising the cation of the base and the anion of the acid, directly to the acid and the base at the temp. below 250 deg.C; (f) means for transferring the fluid contg. the salt from (I) or (II) to the thermal regenerator; (g) anode recycle means for transferring the base formed in the thermal regenerator, back to (II) to replenish the base consumed during generation of the electrical current; and (h) cathode recycle means for transferring the acid formed in the thermal regenerator back to (I) to replenish the acid consumed during generation of the e