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Hollow core/mesoporous shell carbon capsule as an unique cathode catalyst support in direct methanol fuel cell

Paper ID Volume ID Publish Year Pages File Format Full-Text
47986 46487 2009 8 PDF Available
Title
Hollow core/mesoporous shell carbon capsule as an unique cathode catalyst support in direct methanol fuel cell
Abstract

Hollow core mesoporous shell (HCMS) carbon has been explored for the first time as a cathode catalyst support in direct methanol fuel cells (DMFCs). The HCMS carbon consisting of discrete spherical particles possesses unique structural characteristics including large specific surface area and mesoporous volume and well-developed interconnected void structure, which are highly desired for a cathode catalyst support in low temperature fuel cells. Significant enhancement in the electrocatalytic activity toward oxygen reduction reaction has been achieved by the HCMS carbon-supported Pt nanoparticles compared with carbon black Vulcan XC-72-supported ones in the DMFC. In addition, much higher power was delivered by the Pt/HCMS catalysts (i.e., corresponding to an enhancement of ca. 91–128% in power density compared with that of Pt/Vulcan), suggesting that HCMS carbon is a unique cathode catalyst support in direct methanol fuel cell.

Keywords
Hollow core mesoporous shell carbon; Electrocatalyst; Catalyst support; Oxygen reduction reaction; Direct methanol fuel cell
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Hollow core/mesoporous shell carbon capsule as an unique cathode catalyst support in direct methanol fuel cell
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 88, Issues 3–4, 20 May 2009, Pages 368–375
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
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