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ELECTROLYTE MATERIAL HAVING A NASICON STRUCTURE FOR SOLID-STATE SODIUM ION BATTERIES AND METHOD FOR THE PRODUCTION THEREOF
ELECTROLYTE MATERIAL HAVING A NASICON STRUCTURE FOR SOLID-STATE SODIUM ION BATTERIES AND METHOD FOR THE PRODUCTION THEREOF
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机译:具有固态钠离子电池的纳松结构的电解质材料及其生产方法
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摘要
A method for preparing electrolyte material having a NASICON structure, based on a Na3+xScxZr2−x(SiO4)2(PO4) compound where 0≤x2. 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.
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