Description:

PLATINUM ALLOY ELECTROCATALYST WITH ENHANCED RESISTANCE TO ANION POISONING FOR LOW AND MEDIUM TEMPERATURE FUEL CELLS

INV-0863

INVENTORS: Sanjeev Mukerjee

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Description

Current fuel cells are associated with poor oxygen reduction reaction kinetics, especially at medium temperature range (150-200OC), resulting in significantly lower power densities. Moreover, the prior-art approaches for preparing electro-catalysts typically follow a two-step approach, wherein an electro-catalyst preparation is followed by addition of alloying element salt solution to this electro-catalyst. However, such approaches result in incomplete alloy formation along with lacked provision for controlled surface morphology. This novel approach enables development of platinum based binary and ternary alloy electro-catalysts, overcoming most prior-art limitations.

 

Value Proposition

The electro-catalyst:

•Results in a greater resistance to surface poisoning from anions present in acid-electrolytes, especially for low and medium temperature fuel cells

•Enables a significant enhancement of oxygen reduction reaction with improved associated performance

•Allows for improved economies of scale with enhanced commercial acceptance

•Allows for a controlled surface morphology as compared to conventional catalysts

•Enables an effective lowering of platinum dissolution, and an enhanced anion free platinum surfaces

•Would be commercially useful for applications such as in phosphoric acid, direct methanol and other fuel cells.

 

Intellectual Property status

Pending Utility Application 13/119,937

License status 

Available for license

Patent Information:
Category(s):
Analytical Chemistry
For Information, Contact:
Mark Saulich
Associate Director of Commercialization
Northeastern University
m.saulich@northeastern.edu
Inventors:
Sanjeev Mukerjee
Keywords: