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Abstract

The invention discloses a production method for nanofibers of metal oxide, wherein the metal oxide is a metal oxide of at least one metal selected from Sc, Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ho, Yb, Zr, Sr, Ba, Mn, Fe, Co, Mg and Ga, comprising:

a) spinning a compound precursor containing a salt of the metal, to produce nanofibers of the precursor containing the metal oxide; and b) calcining the nanofibers of the precursor containing the salt of the metal at a temperature in a range of from 500° C. to 800° C., to obtain nanofibers of metal oxide containing the at least one metal element. The invention further discloses nanofibers of metal oxide, a solid electrolyte material, a fuel cell and an oxygen sensor.

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First Claim