ELECTRODE CATALYST INK, ELECTRODE CATALYST, WATER ELECTROLYSIS CELL, AND WATER ELECTROLYZER
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United States of America Patent
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Issued Date -
Jul 20, 2023
app pub date -
Mar 13, 2023
filing date -
Oct 2, 2020
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Abstract
The electrode catalyst ink includes a catalyst including a layered double hydroxide, an organic polymer, and a solvent. The solvent includes a first solvent, a second solvent, and a third solvent. The third solvent has a boiling point higher than a boiling point of the first solvent and higher than a boiling point of the second solvent. The Hansen solubility parameter distance Ra1 [MPa1/2] between the third solvent and the catalyst and the Hansen solubility parameter distance Ra2 [MPa1/2] between the third solvent and the organic polymer satisfy a relationship of 2.08Ra1−16.0≤Ra2≤2.08Ra1−13.5.
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