Abstract: The present technology relates to a coating material comprising at least one branched or linear unsaturated aliphatic hydrocarbon having from 10 to 50 carbon atoms and having at least one carbon-carbon double or triple bond for use in electrochemical applications, particularly in electrochemical accumulators such as all-solid-state batteries. The present technology also relates to coated particles comprising said coating material and processes of manufacturing the same. Also described are electrode materials, electrodes, electrolytes, current collector coating materials and current collectors comprising said coated particles and their use in electrochemical cells, for example, in electrochemical accumulators, particularly in all-solid-state batteries.

Abstract: All-solid-state electrochemical cells comprising an inorganic particle-polymer composite, where the polymer is a crosslinked polymer and the content of inorganic particles in the composite is at least 50 wt. % are described. Also described are processes for the preparation of such all-solid-state electrochemical cells, all-solid-state batteries comprising them and their uses in mobile devices, electric or hybrid vehicles, or in renewable energy storage.

Abstract: The present technology relates to inorganic compounds having an argyrodite-type structure based on an alkali metal obtained by a preparation process comprising a step of grinding the sulfide of the alkali metal, the sulfate of the alkali metal, phosphorus pentasulfide and a halide of the alkali metal. Also described are electrode materials, electrodes, electrolytes comprising said inorganic compound having an argyrodite-type structure and their uses in electrochemical cells, for example, in electrochemical accumulators, particularly in all-solid-state batteries.

Abstract: Electrode materials comprising an electrochemically active material, wherein said electrochemically active material comprises a layered potassium metal oxide. The layered potassium metal oxide may be of formula KxMO2. The invention also relates to electrodes, electrochemical cells and batteries comprising said electrode material. For example, said battery may be a lithium or lithium-ion battery, a sodium or sodium-ion battery, or a potassium or potassium-ion battery.