Platinum black is used in polymer electrolyte fuel cells, microbial fuel cells, and phosphoric acid fuel cell applications. It is also used as a recombination catalyst for hydrogen elimination. It is also used as a building block for sensor elements. It is used as a catalyst and as a gas absorbent. It is also useful for the electrochemical detection of hydrogen peroxide and nitrite in microchannel. It is useful for the anodic oxidation of ammonia in aqueous potassium hydroxide electrolyte.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.