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Electrolyte material having a NASICON structure for solid-state sodium ion batteries and method for the production thereof
A method for preparing electrolyte material having a NASICON structure, based on a Na3+xScxZr2−x(SiO4)2(PO4) compound where 0≤x<2. The method includes providing an acidic, aqueous solution which, according to a desired stoichiometry, comprises sodium, scandium and zirconium in the form of water-soluble nitrates, acetates or carbonates, and soluble silicates or orthosilicic acids or organic silicon compounds in dissolved form; subsequently adding phosphoric acid or ammonium dihydrogenphosphate or other soluble phosphates, according to the desired stoichiometry, complex zirconium dioxide phosphates forming as colloidal precipitations; and subsequently drying and calcining the mixture.
Electrolyte material having a NASICON structure for solid-state sodium ion batteries and method for the production thereof
A method for preparing electrolyte material having a NASICON structure, based on a Na3+xScxZr2−x(SiO4)2(PO4) compound where 0≤x<2. The method includes providing an acidic, aqueous solution which, according to a desired stoichiometry, comprises sodium, scandium and zirconium in the form of water-soluble nitrates, acetates or carbonates, and soluble silicates or orthosilicic acids or organic silicon compounds in dissolved form; subsequently adding phosphoric acid or ammonium dihydrogenphosphate or other soluble phosphates, according to the desired stoichiometry, complex zirconium dioxide phosphates forming as colloidal precipitations; and subsequently drying and calcining the mixture.
Electrolyte material having a NASICON structure for solid-state sodium ion batteries and method for the production thereof
MA QIANLI (Autor:in) / TIETZ FRANK (Autor:in) / NAQASH SAHIR (Autor:in) / GUILLON OLIVIER (Autor:in)
18.02.2020
Patent
Elektronische Ressource
Englisch
IPC:
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C04B
Kalk
,
LIME
/
H01B
CABLES
,
Kabel
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