The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2021
Filed:
Oct. 14, 2015
Fundacion Centro DE Investigacion Cooperativa DE Energias Alternativas Cic Energigune Fundazioa, Alava, ES;
Michel Armand, Paris, FR;
Teofilo Rojo, Alava, ES;
Gurpreet Singh, Alava, ES;
Laida Otaegui Ameztegui, Alava, ES;
Frederic Aguesse, Alava, ES;
Lucienne Buannic, Suresnes, FR;
Abstract
The present invention relates to a sodium-ion battery comprising a positive electrode compartment comprising a positive electrode, said positive electrode comprising a Na-insertion compound; a negative electrode compartment comprising a negative electrode, said negative electrode comprising metallic sodium; and an electrolyte composition comprising a solid sodium-ion conductive ceramic electrolyte and a catholyte comprising a metallic salt with formula MY, wherein M is a cation selected from an alkali metal and an alkali-earth metal; and Y is an anion selected from [RSONSOR], CFSO, C(CN), B(CO)and BF(CO), wherein Rand Rare independently selected from fluorine or a fluoroalkyl group. The device is able to operate below the melting point of the anode component.