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Formic acid fuel cells and catalysts

A formic acid fuel cell, fuel cell technology, applied in fuel cell additives, fuel cells, electrochemical generators, etc., can solve problems such as high price and increased fuel cell cost

Inactive Publication Date: 2007-05-30
THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This greatly increases the cost of the fuel cell because the noble and semi-precious metals in the catalyst are expensive

Method used

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  • Formic acid fuel cells and catalysts
  • Formic acid fuel cells and catalysts
  • Formic acid fuel cells and catalysts

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Embodiment Construction

[0028] Before the exemplary embodiments of the present invention are described in detail, it is to be understood that the present invention includes formic acid fuel cells and formic acid fuel cell catalysts, and that many of its broader aspects will be appreciated by those skilled in the art by reference to the preferred embodiments. It should also be understood that the description of a certain exemplary embodiment of the present invention may also include the description of another embodiment. For example, when the use of a catalyst is discussed with reference to a fuel cell, description of the catalyst may also include description of the fuel cell. One aspect of the invention is a catalyst for a formic acid fuel cell. An exemplary fuel cell catalyst of the present invention includes Pd and one or more metals selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Au. The catalysts of the invention can be used as anode or cathode catalysts, and can be s...

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Abstract

An exemplary fuel cell of the invention includes a formic acid fuel solution in communication with an anode (12, 134), an oxidizer in communication with a cathode (16, 135) electrically linked to the anode, and an anode catalyst that includes Pd. An exemplary formic acid fuel cell membrane electrode assembly (130) includes a proton-conducting membrane (131) having opposing first (132) and second surfaces (133), a cathode catalyst on the second membrane surface, and an anode catalyst including Pd on the first surface.

Description

[0001] cross reference [0002] This application claims priority from the following applications: U.S. Application No. 10 / 407385, filed April 4, 2003; U.S. Provisional Application No. 60 / 519095, filed November 12, 2003; US Application No. 10 / 664772; and US Application No. 10 / 817361, filed April 2, 2003. These applications are incorporated herein by reference. [0003] Statement of Government Interest [0004] This invention was made with government support under Department of Energy Grant No. DEGF-02-99ER14993 and DARPA Air Force Contract No. F33615-01-C-2172. The government has certain rights in the invention. technical field [0005] The invention mainly relates to a formic acid fuel cell, a catalyst for the formic acid fuel cell, a method for preparing the catalyst for the formic acid fuel cell, and a membrane electrode assembly for the formic acid fuel cell. Background ...

Claims

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Application Information

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IPC IPC(8): H01M8/04H01M8/1004H01M8/1009
CPCY02E60/50
Inventor 理查德·I·梅塞尔罗伯特·拉森河琇鈗
Owner THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS