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Method for preparing beta-Al2O3 ceramic electrolyte separator for sodium battery
The invention provides a method for preparing a beta-Al2O3 ceramic electrolyte separator for a sodium battery. The method comprises steps as follows: Step (1), Na-Z powder and Li-Z powder which are used as precursor powder are synthesized respectively on the basis of an Al source and a Na source as well as on the basis of the Al source and an Li source; Step (2), the Na-Z powder and the Li-Z powder are mixed in the specified mole ratio and mixed with a binder and a solvent, and then slurry is prepared; Step (3), the slurry is atomized and then sprayed onto a rotating mandrel to be condensed and molded into a base body; Step (4), the condensed and molded base body is sleeved with a plastic film, and a beta-Al2O3 biscuit is obtained through demolding after isostatic pressing machining; Step (5), the beta-Al2O3 biscuit is subjected to plastic removal and then high-temperature sintering, and the beta-Al2O3 ceramic electrolyte separator is obtained.
Method for preparing beta-Al2O3 ceramic electrolyte separator for sodium battery
The invention provides a method for preparing a beta-Al2O3 ceramic electrolyte separator for a sodium battery. The method comprises steps as follows: Step (1), Na-Z powder and Li-Z powder which are used as precursor powder are synthesized respectively on the basis of an Al source and a Na source as well as on the basis of the Al source and an Li source; Step (2), the Na-Z powder and the Li-Z powder are mixed in the specified mole ratio and mixed with a binder and a solvent, and then slurry is prepared; Step (3), the slurry is atomized and then sprayed onto a rotating mandrel to be condensed and molded into a base body; Step (4), the condensed and molded base body is sleeved with a plastic film, and a beta-Al2O3 biscuit is obtained through demolding after isostatic pressing machining; Step (5), the beta-Al2O3 biscuit is subjected to plastic removal and then high-temperature sintering, and the beta-Al2O3 ceramic electrolyte separator is obtained.
Method for preparing beta-Al2O3 ceramic electrolyte separator for sodium battery
WEN ZHAOYIN (author) / WU XIANGWEI (author) / WU MEIFEN (author) / HU YINGYING (author) / ZHANG JINGCHAO (author)
2015-04-29
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
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
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