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US 2025/0019841 A1Published application
Catalyst support materials for electrochemical cells
AssigneeRobert Bosch GmbH
InventorsSoo KIM, Lei CHENG, Jonathan MAILOA, Sarah STEWART, Christina JOHNSTON, Charles TUFFILE, Jake CHRISTENSEN
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Abstract
An electrochemical cell catalyst support includes a fibrous catalyst support material. The fibrous catalyst support material includes a mixed metal oxide material of magnesium (Mg) and titanium (Ti) with a general formula of MgaTibO5-x, where 0≤x≤3, and a ratio of a to b is greater than 0.01 and less than 0.8.
Claims20
An electrochemical cell catalyst support comprising:
- a fibrous catalyst support material, the fibrous catalyst support material being a mixed metal oxide material of magnesium (Mg) and titanium (Ti) with a general formula of MgaTibO5-x, where 0≤x≤3, and a ratio of a to b is greater than 0.01 and less than 2.0.
An electrochemical cell catalyst layer comprising:
- a catalyst material;
- and
- a catalyst support supporting the catalyst material, the catalyst support having a catalyst support material, the catalyst support material being a mixed metal oxide material of magnesium (Mg) and titanium (Ti) with a general formula of MgaTibO5-x, where 0≤x≤3, and a ratio of a to b is not 0.5.
An electrochemical cell comprising:
- a first catalyst layer and a second catalyst layer, each of the first and second catalyst layers having a catalyst support supporting a catalyst material, the catalyst support having a catalyst support material, the catalyst support material being a mixed metal oxide material of magnesium (Mg) and titanium (Ti) with a general formula of MgaTibO5-x, where 0≤x≤3, and a ratio of a to b is not 0.5;
- and
- an electrolyte membrane situated between the first and second catalyst layers.
Dependencies are inferred from the claim text.