Hollow mesoporous carbon electrode-catalyst for direct...

Details Hollow mesoporous carbon electrode-catalyst for direct... Hollow mesoporous carbon electrode-catalyst for direct...

2005-12-20

2009-02-10

Lorengo, J. A. (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

C502S185000, C423S44500R, C423S461000, C106S031260

Reexamination Certificate

active

07488699

ABSTRACT:
The present invention discloses a novel electrode-catalyst for direct methanol fuel cell prepared by introducing a carbon precursor into pores of a wormhole-like molecular sieve template, carbonizing the carbon precursor, removing the molecular sieve template to obtain a wormhole-like mesoporous carbon having a high specific surface of 800-1000 m2/g and a pore size of 4-5 nm, and depositing catalyst metal such as Pt—Ru on the mesoporous carbon.

REFERENCES:
patent: 6812187 (2004-11-01), Pak et al.
patent: 7153806 (2006-12-01), Srinivas et al.
patent: 7220697 (2007-05-01), Pak et al.
patent: 2002/0187896 (2002-12-01), Ryoo et al.
“Meso-cellular silica foams, macro-cellular silica foams and mesoporous solids: a study of emulsion-mediated synthesis,” T. Sen et al. Microporous and Mesoporous Materials 78 (2005), pp. 255-263.
“Key issues in the preparation of DMFC electrocatalysts,” Man-Yin Lo et al. International Journal of Hydrogen Energy 32 (2007), pp. 731-735.

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