Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells

Jung, Won Suk; Popov, Branko N.

doi:10.1016/j.carbon.2017.07.028

Title: Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells

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Authors:: Jung, Won Suk; Popov, Branko N.

Publication Date:: Sun Oct 01 00:00:00 EDT 2017

Sponsoring Org.:: USDOE

OSTI Identifier:: 1547090

Grant/Contract Number:: EE0000460

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Carbon

Additional Journal Information:: Journal Name: Carbon Journal Volume: 122 Journal Issue: C; Journal ID: ISSN 0008-6223

Publisher:: Elsevier

Country of Publication:: United Kingdom

Language:: English

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                    Jung, Won Suk, and Popov, Branko N. Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells.  United Kingdom: N. p., 2017. 
Web.  doi:10.1016/j.carbon.2017.07.028.

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                    Jung, Won Suk, & Popov, Branko N. Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells.  United Kingdom.  https://doi.org/10.1016/j.carbon.2017.07.028

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                    Jung, Won Suk, and Popov, Branko N. Sun .  
"Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells".  United Kingdom.  https://doi.org/10.1016/j.carbon.2017.07.028.

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@article{osti_1547090,

  title        = {Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells},

  author       = {Jung, Won Suk and Popov, Branko N.},

  abstractNote = {},

  doi          = {10.1016/j.carbon.2017.07.028},

  journal      = {Carbon},

  number       = C,

  volume       = 122,

  place        = {United Kingdom},

  year         = {Sun Oct 01 00:00:00 EDT 2017},

  month        = {Sun Oct 01 00:00:00 EDT 2017}

}

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Improved durability of Pt catalyst supported on N-doped mesoporous graphitized carbon for oxygen reduction reaction in polymer electrolyte membrane fuel cells

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Since the reaction rate and cost for cathodic catalyst in polymer electrolyte membrane fuel cells are obstacles for commercialization, the high-performance catalyst for oxygen reduction reaction is necessary. The Ni encapsulated with N-doped graphitic carbon (Ni@NGC) prepared with ethylenediamine and carbon black is employed as an efficient support for the oxygen reduction reaction. Characterizations show that the Ni@NGC has a large surface area and mesoporous structure that is suitable to the support for the Pt catalyst. The catalyst structure is identified and the size of Pt nanoparticles distributed in the narrow range of 2–3 nm. Four different nitrogen species aremore »« less
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PtM (M = 3d transition metals) alloys are known as the promising oxygen reduction reaction catalysts and have been considered as the replacement of pure Pt catalysts for the commercialization of proton exchange membrane fuel cells. Although great progress has been made in the past three decades, the performance and durability of PtM catalysts still face stringent challenges from practical applications. Functionalization of a catalyst carbon support with nitrogen-contained groups can add charges onto its surface, which can be utilized to build a more complete ionomer/catalyst interface, to reduce the catalyst particle size, and to improve particle size distribution. Nitridingmore »« less
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