摘要:
The invention relates to particles or a coating for splitting water. The aim of the invention is to provide particles or coatings for splitting water in which corrosive damage is prevented to a great extent. To achieve this, the particles or the coating consist(s) of a nucleus or a sub-layer and a shell or top layer, the nucleus or the sub-layer forming a reactive unit and consisting of a material that releases electrons with the input of energy from sunlight, said electrons being capable of splitting water into hydrogen and oxygen, and the shell or top layer forming a protective unit capable of holding the split products away from the surface of the reactive unit and having at the same time conductive fractions. Surprisingly, corrosive damage to the reactive particles is prevented to a great extent by the targeted separation of reaction particles and split products over the range of the released electrons.
摘要:
The invention relates to a method for producing alkali and alkaline earth alloys. The invention also relates to the use of the alkali and alkaline earth compounds. In order to create a novel method for producing alkali and alkaline earth alloys, it is proposed within the context of the invention that salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds be mixed with salts, hydroxides, alkoxides or oxides of semi-metals, nonmetals or metals and then heated to at least 100°C, wherein the salts, hydroxides, alkoxides or oxides of alkali or alkaline earth metals are present in a molar ratio of 1:1 or in excess in relation to the salts, hydroxide, alkoxides or oxides of the semi-metals, nonmetals or metals. Surprisingly, within the context of the invention, it has been shown that, by mixing salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds with salts, hydroxides, alkoxides or oxides of semi-metals or metals from the 3rd or 4th main group and subsequent heating, alkali or alkaline earth alloys can be produced.
摘要:
The invention relates to a coating material having a catalytic activity for reducing the combustion temperature of soot and organic substances. The invention also relates to the use of the coating material. The aim of the invention is to create a catalytically active coating material by which means a non-abrasive coating suitable for optical applications can be provided for the combustion of soot and organic substances. To this end, the coating material contains between 20 and 90 wt. % of compounds of subgroup metals or elements of the third and fourth main groups, and between 10 and 80 wt. % of alkali or earth alkali compounds. Surprisingly, the catalytic composition according to the invention enables the production of a colourless, transparent or translucent coating having a high abrasion stability.