Abstract: An alkaline electrolyser device for hydrogen production includes a first and a second electric charge battery substantially identical. Each electric charge battery has a first electrode of copper, silver or their alloys, coated with zinc, a second electrode with a ferrous catalyst, and an alkaline aqueous solution in which the first and second electrodes are immersed. An output opening placed in correspondence of the second electrode is suitable to allow the escape from the battery of gases which develop in correspondence of the second electrode. The batteries are short-circuited with an electric power supply member placed between the first or the second electrodes, with a predefined polarity such that the voltage across the electrodes is higher than 1.3 V. In this configuration, the first battery undergoes a discharging process producing hydrogen gas, whilst, contextually, the second battery undergoes a charging process generating oxygen gas.

Abstract: An innovative device that integrates, internally to one individual electrochemical cell, the functions of an electrolyzer, a hydrogen accumulator, and a fuel cell. The device can be recharged both electrically, by connecting it to a usual battery charger, and by way of a direct injection of gaseous hydrogen. The present device is very compact and features a reduced weight, consequently it can be advantageously used both to supply power to small-size portable electronic devices and to supply power to motors of electric vehicles.

Abstract: An innovative device that integrates, internally to one individual electrochemical cell, the functions of an electrolyzer, a hydrogen accumulator, and a fuel cell. The device can be recharged both electrically, by connecting it to a usual battery charger, and by way of a direct injection of gaseous hydrogen. The present device is very compact and features a reduced weight, consequently it can be advantageously used both to supply power to small-size portable electronic devices and to supply power to motors of electric vehicles.