In one preferred embodiment, a process for preparing an aqueous suspension of a crystalline nanoscale ceramic electrolyte material includes the steps of providing an aqueous suspension of {TAIL ~ a crystalline nanoscale ceramic electrolyte material}, washing the aqueous suspension, improving the dispersion of the particles in {HEAD ~ the washed suspension}, classifying the dispersed suspension, and concentrating the classified suspension 
In one preferred embodiment , a process for preparing an aqueous suspension of a crystalline nanoscale ceramic electrolyte material includes the steps of providing an aqueous suspension of { TAIL ~ a crystalline nanoscale ceramic electrolyte material } , washing the aqueous suspension , improving the dispersion of the particles in { HEAD ~ the washed suspension } , classifying the dispersed suspension , and concentrating the classified suspension
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