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US 12,759,894 B2Granted
Tungsten oxide powder slurry, method of producing the same, and method of producing an electrochromic device using the same
AssigneeNiterra Materials Co., Ltd.
InventorDaisuke Fukushi
Life of this patent
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Abstract
According to one embodiment, provided is a tungsten oxide powder slurry in which a tungsten oxide powder and an aqueous solvent are mixed. D50 is 20 nm to 10000 nm and D90 is 100000 nm or less in a particle size cumulative graph of the tungsten oxide powder in the slurry. According to X-ray diffraction, a half-value width of a most intense peak detected at 29°±1° is 2° or less.
Claims16
A tungsten oxide powder slurry comprising:
- a tungsten oxide powder;
- and
- an aqueous solvent,
- wherein D50 is 20 nm to 10000 nm and D90 is 100000 nm or less in a particle size cumulative graph of the tungsten oxide powder in the slurry,
- a half-value width of a most intense peak detected at 29°±1° is 2° or less according to X-ray diffraction, and
- an absorbance at a wavelength of 600 nm is 1 or less.
3 more elements
Dependencies are inferred from the claim text.