High efficiency water electrolysis in alkaline solution

摘要: Abstract Methods of increasing the efficiency and lowering capital cost state-of-the art pressure-type electrolyzers are briefly reviewed. A doubling current density, accompanied by a halving internal resistance, improved electrode activity required. The latter may be obtained catalysis increases in effective surface area temperature. An increase temperature to 120–130°C appears feasible without giving rise materials problems provided asbestos separators not used. All above examined detail, it is shown that advanced electrodes with non-precious catalysts will capable operating at 1.55 V (I.R. included) 0.4 A/cm2, 120 C 30–40 atm., which corresponds isothermal operation.