ANODE COMPOSITIONS AND ALKALI METAL BATTERIES COMPRISING SAME

A composition-of-matter comprising a plurality of particles is disclosed herein, the particles comprising a compound (e.g., an element or a mixture of elements) which forms an alloy with an alkali metal and/or an alloy of an alkali metal with said compound. The alloy is characterized by reversibly r...

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Hauptverfasser:	FREEDMAN, Kathrin, PELED, Emanuel, GOLDSHTEIN, Keren, ALON, Meital, GOLODNITSKY, Diana
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS ELECTRICITY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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creator	FREEDMAN, Kathrin PELED, Emanuel GOLDSHTEIN, Keren ALON, Meital GOLODNITSKY, Diana
description	A composition-of-matter comprising a plurality of particles is disclosed herein, the particles comprising a compound (e.g., an element or a mixture of elements) which forms an alloy with an alkali metal and/or an alloy of an alkali metal with said compound. The alloy is characterized by reversibly releasing the alkali metal and absorbing the alkali metal. Some or all of the particles are encapsulated within a volume enclosed by a shell or matrix which conducts cations of the alkali metal, wherein a volume of the alloy upon maximal absorption of the alkali metal does not exceed the volume enclosed by a shell or matrix. Further disclosed herein is a process of preparing a composition-of-matter, which is effected by coating particles comprising an alloy saturated with the alkali metal with a conductor of cations of the alkali metal, as well as electrochemical half cells and batteries including the composition-of-matter.
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subjects	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS ELECTRICITY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
title	ANODE COMPOSITIONS AND ALKALI METAL BATTERIES COMPRISING SAME
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