| 简介 |
The present invention relates to a solid electrolyte manufacturing method which comprises the following steps : (a) a step of making a solid electrolyte precursor by making a coprecipitation reaction to a mixture solution including a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH regulator; (b) a step of washing and drying the solid electrolyte precursor; (c) a step of making a mixture by mixing the washed and dried solid electrolyte precursor with a lithium source; and (d) a step of making a calcinated solid electrolyte, which is a lithium lanthanum zirconium oxide (LLZO) doped with gallium (Ga) and indicated in Chemical formula 1, by calcinating the mixture. As such, through the solid electrolyte manufacturing method, a solid electrolyte with improved ion conductivity and potential window is able to be provided.(a) Make a solid electrolyte precursor by making a coprecipitation reaction to a mixture solution including a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH regulator(b) Wash and dry the solid electrolyte precursor(c) Make a mixture by mixing the washed and dried solid electrolyte precursor with a lithium source(d) Make a calcinated solid electrolyte, which is a lithium lanthanum zirconium oxide (LLZO) doped with gallium (Ga) and indicated in Chemical formula 1, by calcinating the mixture(e) Make a sintered solid electrolyte by sintering the calcinated solid electrolyteCOPYRIGHT KIPO 2018 |
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