Method of preparing indium oxide spherical powder

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United States of America Patent

PATENT NO 11479475
APP PUB NO 20210276879A1
SERIAL NO

15931269

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Abstract

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A method of preparing an indium oxide spherical powder with a controllable grain shape includes: (1) reacting a sulfuric acid solution, and then adding a nitric acid solution, to react with the metal indium to obtain a mixed solution system containing indium sulfate and indium nitrate; (2) adjusting a concentration of indium ions in the mixed solution system to between 0.45˜0.6M; (3) performing a precipitation reaction of the mixed solution with a precipitant, until a pH value of the solution is between 9˜10, and then having the solution precipitated and aged to obtain an indium hydroxide precursor slurry; (4) using a ceramic membrane to filter and wash the precursor slurry, and ending the washing to obtain a purified precursor sample; (5) drying the precursor sample at 80˜130° C.; and (6) ball-milling the precursor sample, and calcining the precursor at a calcination temperature to obtain the indium oxide powder.

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Patent Owner(s)

Patent OwnerAddress
ZHENGZHOU UNIVERSITY450001 NO 100 SCIENCE AVENUE HI TECH INDUSTRIAL DEVELOPMENT ZONE HENAN ZHENGZHOU ZHENGZHOU CITY HENAN PROVINCE 450001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Jie Zhengzhou, CN 1059 5911
He, Jilin Zhengzhou, CN 7 53
Liu, Yang Zhengzhou, CN 1941 7962
Shu, Yongchun Zhengzhou, CN 3 0
Sun, Benshuang Zhengzhou, CN 3 0
Zeng, Xueyun Zhengzhou, CN 3 0

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