Patents, fuel-cell-related

Go online to the U.S. Patent and Trade Office and determine how many fuel-cell-related patents were granted for the latest year available. How does it compare to Figure 1.1 ... 

Peksen [24] filed a patent in 2011 describing the geometric design relations of fuel cell components affecting the thermomechanically induced stress behavior. All dimensions of an interconnector plate were considered and described as a function of the width of the plate. The relations clarify the requirements for a robust and reliable geometric design. 

Mallari JC, Snyder SM, Chung V, Petrovic S (2004) Fuel cell electrode pair assemblies and related methods. US Patent 6,811,916... 

Patents relating to the apphcation of radiation-grafted ion-exchange membranes in fuel cells have been granted to Scherer et al. [89] and to Stone and Stock [90, 91]. These patents mention the functionalization of base polymers with quaternary ammonium groups to yield alkaline polymers. The use of fluorine-substituted styrenic monomers is also claimed to improve membrane chemical stability when utilized in fuel cells (removal of undesired and reactive C-H bonds). 

Yao et al. were granted related patents on alkaline polymers containing alkyl quaternary ammonium salts, nitrogen containing heterocyclic quaternary ammonium salts, and metal hydroxide salts for potential applications in alkaline batteries and fuel cells [93-95]. 

Related patents from Divisek describe the invention of a methanol fuel cell utilizing an anion-exchange membrane [98, 99]. 

L. Krishnan, G.W. Yeager, and G.L. Soloveichik, Polymer-electrolyte membrane, electrochemical fuel cell, and related method, US Patent 8906572, assigned to General Electric Company (Niskayuna, NY), December 9, 2014. 

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