Boron-doped diamond powder as catalyst support for fuel cell applications

Salazar‐Banda, Giancarlo R.; Eguiluz, Katlin I.B.; Avaca, Luís Alberto

doi:10.1016/j.elecom.2006.08.038

Cited by 75 publications

(45 citation statements)

References 42 publications

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“…Salazar-Banda et al [43] investigated the oxidation of methanol by using PtRuO x /BDD powder electrode, and its comparison with a commercial catalyst (Pt-Ru/C); obtaining that the incorporation of ruthenium presents the inhibition of the hydrogen adsorption/desorption signals. Additionally, good capacitive currents were achieved (Fig.…”

Section: Application Of Modified Bdd Films As Electrocatalytic Surfacmentioning

confidence: 98%

“…The modification of the BDD electrode with other Pt-metal oxide catalysts prepared by sol-gel has been investigated with the aim to improve its electrocatalytic response to be used as a fuel cell anode. In this context, BDD electrodes with IrO 2 , PbO 2 , SnO 2 , Ta 2 O 5 , and some mixed composites prepared by sol-gel have been investigated by electrochemical techniques to establish their catalytic activity towards methanol and/or ethanol oxidation reactions [36,[43][44][45][46]. Table 7.2 summarizes the most important examples of coating catalyst on BDD support synthesized by sol-gel technique.…”

Section: Modification Of Bdd Surfacementioning

confidence: 99%

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Modified Diamond Electrodes for Electrochemical Systems for Energy Conversion and Storage

Costa

Santos

Peralta‐Hernández³

et al. 2014

Topics in Applied Physics

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The aim of this chapter was to summarize the techniques used for surface modification of BDD materials, improving their catalytic efficiency as supported catalysts for PEM fuel cells (methanol and ethanol oxidation) as well as the studies concerning to the production of electrochemical capacitors using BDD materials. Also, the recent advances on the use of modified BDD materials for fuel cells will be discussed. IntroductionPetroleum is considered the main source of energy, but it has also caused considerable amount of damages such as atmospheric pollution and global warming. Nevertheless, the copious uses of petroleum as well as the demand of petrol in the near future have motivated scientists around the world to develop new clean and renewable energy sources. In this frame, the development of fuel technology has received great attention because this technology consists in directly converting

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Section: Application Of Modified Bdd Films As Electrocatalytic Surfacmentioning

confidence: 98%

Section: Modification Of Bdd Surfacementioning

confidence: 99%

Modified Diamond Electrodes for Electrochemical Systems for Energy Conversion and Storage

Costa

Santos

Peralta‐Hernández³

et al. 2014

Topics in Applied Physics

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“…Different kinds of diamond nanoparticles (e.g., surface graphitized diamond nanoparticles with a diamond core covered by a graphitic carbon shell, bucky diamond nanoparticles with a nanoscale diamond core surrounded by a fullerene shell, and graphene coated diamond nanoparticles) have been used as the support to load catalysts (e.g., Pt [87][88][89][90][91][92][93], Ni [94,95], Ti [96], Pd [97], Pt/Ni [98], Pt/Ru [99][100][101][102], Sn/Pb [103], Pt/Eu [91,99], and metal oxides [104][105][106]). The mostly investigated electrocatalytic reactions include electrocatalytic oxidation of methanol/formic acid/CO as well as oxygen reduction reaction.…”

Section: Electrocatalystsmentioning

confidence: 99%

Diamond Nanostructures and Nanoparticles: Electrochemical Properties and Applications

Yang

Jiang

2016

Carbon Nanoparticles and Nanostructures

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Macro-sized diamond films have been widely applied as the electrode for electrochemical and electroanalytical applications. Due to the non-uniform doping in diamond, boundary effects, and the varied ratios of graphite to diamond, only averaged electrochemical signals are detected over the full electrode. The studies of diamond electrochemistry at the nanoscale are thus highly required. In this chapter we overview recent progress and achievements about electrochemical properties and applications of diamond nanostructures and nanoparticles. After a brief introduction of the formation of these nanostructures and nanoparticles, electrochemical behavior of diamond nanostructures (e.g., diamond nanotexures, nanowires, networks, etc.) and nanoparticles (undoped, doped nanoparticles) in the presence/ absence of redox probes is summarized. Their electroanalytical (e.g., electrochemical, biochemical sensing, etc.) and electrochemical (e.g., energy storage using capacitors and batteries, electrocatalysis, etc.) applications are shown. Diamond nanoelectrode array is introduced and highlighted as a promising tool to investigate diamond electrochemistry at the nanoscale as well.

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“…In this context, in 2007, Salazar-Banda et al [59], reported an interesting and innovate research where they carried out the modification of BDD powder with metallic oxides (Pt-RuO x ) using the sol-gel technique to prepare high-area and stable surface electrodes to methanol oxidation, and its comparison with a commercial catalyst (Pt-Ru/C). Pt-RuO x /BDD powder electrode was electrochemically evaluated by means of CV, obtaining that the incorporation of ruthenium presents the inhibition of the hydrogen adsorption/desorption signals.…”

Section: Sol-gel Methodmentioning

confidence: 99%

“…The modification of the BDD electrode with other Ptmetal oxide catalysts prepared by sol-gel has been investigated with the aim to improve its electrocatalytic response to be used as a fuel cell anode. In this context, BDD electrodes with IrO 2 , PbO 2 , SnO 2 , Ta 2 O 5 and some mixed composites prepared by sol-gel have been investigated by electrochemical techniques to establish their catalytic activity towards methanol and/or ethanol oxidation reactions [49][50][51][52][53][54][55][56][57][58][59][60][61]. In Table 2 are presented different coating catalysts synthesized by sol-gel technique on BDD support electrode, indicating the precursors used in the synthesis, and the electro-oxidation reaction that was studied.…”

Section: Sol-gel Methodmentioning

confidence: 99%

The Use of Diamond for Energy Conversion System Applications: A Review

Eguiluz

Peralta‐Hernández²,

Hernández‐Ramírez

et al. 2012

International Journal of Electrochemistry

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Catalytic layers of polymer electrolyte membrane fuel cell (PEMFC) electrodes are usually composed of platinum nanoparticles dispersed on an electron conductive carbon support, which can undergo several degradation processes like dissolution of Pt and carbon corrosion under PEMFC working conditions. In this context, the major advantage of conductive boron-doped diamond (BDD) surfaces is their mechanical and chemical stability. BDD is also considered as a good substrate for studying the intrinsic properties of deposited catalysts, avoiding some problems encountered with other substrates, that is, surface corrosion, oxide formation, or electronic interactions with the deposit. Thus, the first part of this review summarized the surface modification of BDD materials, with emphasis in different techniques, to improve the catalytic efficiency of supported catalysts for PEMFCs. In addition, it is known that graphite carbon or lithium metal alloys used in advanced lithium-ion high-energy batteries suffer morphological changes during the charge-discharge cycling, which in turn results in a very poor cycle life. Thus, the use of diamond materials in these applications was also reviewed, since they have very stable surfaces and exhibits excellent electrochemical properties when compared with other carbon forms like glassy carbon and highly oriented pyrolytic graphite.

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Boron-doped diamond powder as catalyst support for fuel cell applications

Cited by 75 publications

References 42 publications

Modified Diamond Electrodes for Electrochemical Systems for Energy Conversion and Storage

Modified Diamond Electrodes for Electrochemical Systems for Energy Conversion and Storage

Diamond Nanostructures and Nanoparticles: Electrochemical Properties and Applications

The Use of Diamond for Energy Conversion System Applications: A Review

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