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- W2078475917 abstract "Studies were carried out on the electrochemical splitting of hydrogen from water in an aqueous KOH solution at 110–140°C and in molten hydroxides at 300–400°C with the aim of increasing the energy efficiency of hydrogen production. The investigations on the electrolysis in an aqueous KOH solution were concentrated on developing metal oxide diaphragms and improved activated Ni electrodes. At 140°C and a pressure of 8 bar, a cell voltage of 1.55 V was obtained at a current density of 500 mA cm−2. In molten NaOH at 350°C, a cell voltage of 1.3 V was achieved at a current density of 500 mA cm−2. However, current yields were only ca 90%, due to side reactions producing peroxides. The formation of peroxides is significantly reduced in a LiOH/NaOH melt. Current yields of 100% have now been obtained at a cell voltage of 1.45 V and current density 500 mA cm−2. The hydrogen and oxygen formed are separated by a Ni-diaphragm which is cathodically protected to eliminate corrosion." @default.
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- W2078475917 date "1982-01-01" @default.
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- W2078475917 title "Improvements of water electrolysis in alkaline media at intermediate temperatures" @default.
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- W2078475917 doi "https://doi.org/10.1016/0360-3199(82)90017-9" @default.
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