Abstract: A protective material for protecting a lithium metal sheet, in particular a lithium metal anode. The material comprises a metal fluoride such as AlF3 and a fluoro alkylene carbonate such as fluoro ethylene carbonate (FEC). A method for using the protective material is provided.

Abstract: Method of improving the performance and safety of a Li-ion battery. The method includes using a nitrile-based small organic compound of general formula I, V or IX outlined in the application in association with the electrolyte of the battery. An electrolyte including a nitrile-based small organic compound. A battery including the electrolyte.

Abstract: Glycidyl-containing polymers and polymer compositions comprising them are described, as well as their use in electrode materials and/or as coatings for battery components. Also described are electrode materials, electrodes, electrochemical cells and batteries comprising the polymers and their uses.

Abstract: The present technology relates to self-standing electrodes, their use in electrochemical cells, and their production processes using a water-based filtration process. For example, the self-standing electrodes may be used in lithium-ion batteries (LIBs). Particularly, the self-standing electrodes comprise a first electronically conductive material serving as a current collector, the surface of the first electronically conductive material being grafted with a hydrophilic group, a binder comprising cellulose fibres, an electrochemically active material, and optionally a second electronically conductive material. A process for the preparation of the self-standing electrodes is also described.

Abstract: Glycidyl-containing polymers and polymer compositions comprising them are described, as well as their use in electrode materials and/or as coatings for battery components. Also described are electrode materials, electrodes, electrochemical cells and batteries comprising the polymers and their uses.

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: A protective material for protecting a lithium metal sheet, in particular a lithium metal anode. The material comprises a metal fluoride such as AlF3 and a fluoro alkylene carbonate such as fluoro ethylene carbonate (FEC). A method for using the protective material is provided.

Abstract: The present technology relates to an ionic plastic crystal comprising at least one delocalized anion paired with at least one an organic guanidine, amidine or phosphazene organic superbase-derived cation for use in electrochemical applications, particularly in electrochemical accumulators such as batteries, electrochromic devices, and supercapacitors. The present technology also relates to an ionic plastic crystal composition, an ionic plastic crystal-based solid electrolyte composition, an ionic plastic crystal-based solid electrolyte, an electrode material comprising the ionic plastic crystal or the ionic plastic crystal composition. Their uses in electrochemical cells and electrochemical accumulators as well as their processes of manufacturing and an NHO-stabilized intermediary ion-neutral complex are also described.

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: The present technology relates to a sulfur-containing polymer or organic compound for use in a positive electrode material, especially in lithium batteries. More specifically, the use of this sulfur-containing polymer or compound as an active electrode material makes it possible to combine sulfur and an active organic cathode material. The present technology also relates to the use of the sulfur-containing polymer or organic compound as defined herein as a solid polymer electrolyte (SPE) or as an additive for electrolyte, especially in lithium batteries.

Abstract: A system for cycling battery cells with pressure regulation is disclosed. The system comprises supports for receiving the battery cells which insert in a clamping arrangement having jaws moving one with respect to the other by an actuator operated by a controller in order to apply a pressure in a pressure application axis to the cells. A pressure sensor measures the pressure applied to the cells while a cycling module connected to the cells performs their cycling and measures their charge and discharge level. A programmable processing unit ensures a control of the pressure and, if desired, the temperature applied to the cells according to a programmed cycling mode and records data representative of the pressure and other cycling measurements.

Abstract: This disclosure provides for Olivine-type compounds, their preparation and use in cathode materials for sodium-ion batteries. The olivine-type compounds of the invention are obtained by a direct synthesis embodying a hydrothermal method.

Abstract: A method for producing an electrode material for a lithium-ion secondary battery. The method includes the following steps: (a) mixing components of a basic ingredient or active substance of electrode material and a conductive carbon material to obtain a conductive carbon material-composited material; (b) mixing the conductive carbon material-composited material and a surface layer-forming material; an (c) burning the mixture obtained at step (b) to obtain the electrode material. Also, a lithium-ion secondary battery including an electrode which includes the material.

Abstract: Olivine-type compounds, their preparation and use in cathode materials for sodium-ion batteries. The olivine-type compounds may be obtained by a direct synthesis embodying a hydrothermal method. The method may include preparing an aqueous mixture including a M-containing compound, a M?-containing compound and a M?-containing compound to obtain a M-M?-M? mixture; adding a P-containing compound to the mixture M-M?-M? mixture to obtain a M-M?-M?-P mixture; adding a Na-containing compound to the M-M?-M?-P mixture to obtain a Na-M-M?-M?-P mixture; and introducing the Na-M-M?-M?-P mixture into an autoclave to perform crystal growth and obtain the compound of general formula NahMiM?jM?kPO4.

Abstract: Here is described an electrode material comprising an electrochemically active metallic film and an organic compound, e.g. an indigoid compound (indigo blue or a derivative or precursor thereof). Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

Abstract: A thermal mass flowmeter is provided to determine the air flow in a vent. The flowmeter includes a duct defined by printed circuit boards and adapted to insert in the vent. The flowmeter also includes a heating element located across the duct, for heating the air passing through the duct. At least one thermal sensor is located in the duct upstream from the heating element, relative to air flow, to measure inlet temperature of the air. At least one other thermal sensor is located in the duct downstream from the heating element, to measure outlet temperature heated by the heating element. The flowmeter further includes a support member to maintain the structural integrity of the duct within the vent, and at least one connector to exchange electrical signals with the flowmeter.

Abstract: Squaric acid-based polymers and their use in electrode materials and/or electrolyte compositions, as well as their production processes are described herein. Also described are electrode materials, electrodes, electrolyte compositions, electrochemical cells, electrochemical accumulators, and optoelectronic devices comprising the polymers and their uses.

Abstract: The present technology relates to electrode materials comprising an electrochemically active material, wherein the electrochemically active material comprises a P2-type or a O3-type layered sodium metal oxide. The electrochemically active material is of formula NaxMO2, wherein 0.5?x?1.0 and M is selected from Co, Mn, Fe, Ni, Ti, Cr, V, Cu, Sb and their combinations. Also described are electrodes, electrochemical cells and batteries comprising the electrode materials.

Abstract: Here is described an electrode material comprising an electrochemically active metallic film and an organic compound, e.g. an indigoid compound (indigo blue or a derivative or precursor thereof). Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

Abstract: Squaric acid-based polymers and their use in electrode materials and/or electrolyte compositions, as well as their production processes are described herein. Also described are electrode materials, electrodes, electrolyte compositions, electrochemical cells, electrochemical accumulators, and optoelectronic devices comprising the polymers and their uses.