Three dimensional graphene foam supported platinum-ruthenium bimetallic nanocatalysts for direct methanol and direct ethanol fuel cell applications

Chih Chien Kung; Po Yuan Lin; Yuhua Xue; Rohan Akolkar; Liming Dai; Xiong Yu; Chung Chiun Liu

doi:10.1016/j.jpowsour.2014.01.074

Three dimensional graphene foam supported platinum-ruthenium bimetallic nanocatalysts for direct methanol and direct ethanol fuel cell applications

Chih Chien Kung, Po Yuan Lin, Yuhua Xue, Rohan Akolkar, Liming Dai, Xiong Yu, Chung Chiun Liu

Graduate Institute of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

A novel composite material of hierarchically structured platinum-ruthenium (PtRu) nanoparticles grown on large surface area three dimensional graphene foam (3D GF) is reported. 3D GF was incorporated with PtRu bimetallic nanoparticles as an electrochemical nanocatalyst for methanol and ethanol oxidation. PtRu/3D GF nanocatalyst showed a higher tolerance to poisoning by CO and exhibited improved catalytic activity for both methanol oxidation reaction (MOR) and ethanol oxidation reaction (EOR). Cyclic voltammetry (CV) results and long-term cycling stability tests demonstrated that GF provided a promising platform for the development of electrochemical nanocatalysts. Specifically, PtRu/3D GF nanocatalyst showed excellent catalytic activity toward MOR and EOR compared with PtRu/Graphene (Commercial graphene), PtRu/C (Vulcan XC-72R carbon), and PtRu alone. The crystal size of PtRu on 3D GF was reduced to 3.5 nm and its active surface area was enhanced to 186.2 m² g^-1. Consequently, the MOR and EOR rates were nearly doubled on PtRu/3D GF compared to those on PtRu/Graphene.

Original language	English
Pages (from-to)	329-335
Number of pages	7
Journal	Journal of Power Sources
Volume	256
DOIs	https://doi.org/10.1016/j.jpowsour.2014.01.074
State	Published - 15 Jun 2014

Keywords

Carbon supporting materials
Ethanol oxidation reaction
Methanol oxidation reaction
Nanocatalysts
PtRu bimetallic nanoparticles
Three-dimensional graphene foam

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2014.01.074

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title = "Three dimensional graphene foam supported platinum-ruthenium bimetallic nanocatalysts for direct methanol and direct ethanol fuel cell applications",

abstract = "A novel composite material of hierarchically structured platinum-ruthenium (PtRu) nanoparticles grown on large surface area three dimensional graphene foam (3D GF) is reported. 3D GF was incorporated with PtRu bimetallic nanoparticles as an electrochemical nanocatalyst for methanol and ethanol oxidation. PtRu/3D GF nanocatalyst showed a higher tolerance to poisoning by CO and exhibited improved catalytic activity for both methanol oxidation reaction (MOR) and ethanol oxidation reaction (EOR). Cyclic voltammetry (CV) results and long-term cycling stability tests demonstrated that GF provided a promising platform for the development of electrochemical nanocatalysts. Specifically, PtRu/3D GF nanocatalyst showed excellent catalytic activity toward MOR and EOR compared with PtRu/Graphene (Commercial graphene), PtRu/C (Vulcan XC-72R carbon), and PtRu alone. The crystal size of PtRu on 3D GF was reduced to 3.5 nm and its active surface area was enhanced to 186.2 m2 g-1. Consequently, the MOR and EOR rates were nearly doubled on PtRu/3D GF compared to those on PtRu/Graphene.",

keywords = "Carbon supporting materials, Ethanol oxidation reaction, Methanol oxidation reaction, Nanocatalysts, PtRu bimetallic nanoparticles, Three-dimensional graphene foam",

author = "Kung, {Chih Chien} and Lin, {Po Yuan} and Yuhua Xue and Rohan Akolkar and Liming Dai and Xiong Yu and Liu, {Chung Chiun}",

note = "Funding Information: This study was supported by the DOD-Air Force Office of Scientific Research-MURI 2011 -microfabrication. Technical assistance from the staff of Electronics Design Center of Case Western Reserve University is gratefully acknowledged.",

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T1 - Three dimensional graphene foam supported platinum-ruthenium bimetallic nanocatalysts for direct methanol and direct ethanol fuel cell applications

AU - Kung, Chih Chien

AU - Lin, Po Yuan

AU - Xue, Yuhua

AU - Akolkar, Rohan

AU - Dai, Liming

AU - Yu, Xiong

AU - Liu, Chung Chiun

N1 - Funding Information: This study was supported by the DOD-Air Force Office of Scientific Research-MURI 2011 -microfabrication. Technical assistance from the staff of Electronics Design Center of Case Western Reserve University is gratefully acknowledged.

PY - 2014/6/15

Y1 - 2014/6/15

N2 - A novel composite material of hierarchically structured platinum-ruthenium (PtRu) nanoparticles grown on large surface area three dimensional graphene foam (3D GF) is reported. 3D GF was incorporated with PtRu bimetallic nanoparticles as an electrochemical nanocatalyst for methanol and ethanol oxidation. PtRu/3D GF nanocatalyst showed a higher tolerance to poisoning by CO and exhibited improved catalytic activity for both methanol oxidation reaction (MOR) and ethanol oxidation reaction (EOR). Cyclic voltammetry (CV) results and long-term cycling stability tests demonstrated that GF provided a promising platform for the development of electrochemical nanocatalysts. Specifically, PtRu/3D GF nanocatalyst showed excellent catalytic activity toward MOR and EOR compared with PtRu/Graphene (Commercial graphene), PtRu/C (Vulcan XC-72R carbon), and PtRu alone. The crystal size of PtRu on 3D GF was reduced to 3.5 nm and its active surface area was enhanced to 186.2 m2 g-1. Consequently, the MOR and EOR rates were nearly doubled on PtRu/3D GF compared to those on PtRu/Graphene.

AB - A novel composite material of hierarchically structured platinum-ruthenium (PtRu) nanoparticles grown on large surface area three dimensional graphene foam (3D GF) is reported. 3D GF was incorporated with PtRu bimetallic nanoparticles as an electrochemical nanocatalyst for methanol and ethanol oxidation. PtRu/3D GF nanocatalyst showed a higher tolerance to poisoning by CO and exhibited improved catalytic activity for both methanol oxidation reaction (MOR) and ethanol oxidation reaction (EOR). Cyclic voltammetry (CV) results and long-term cycling stability tests demonstrated that GF provided a promising platform for the development of electrochemical nanocatalysts. Specifically, PtRu/3D GF nanocatalyst showed excellent catalytic activity toward MOR and EOR compared with PtRu/Graphene (Commercial graphene), PtRu/C (Vulcan XC-72R carbon), and PtRu alone. The crystal size of PtRu on 3D GF was reduced to 3.5 nm and its active surface area was enhanced to 186.2 m2 g-1. Consequently, the MOR and EOR rates were nearly doubled on PtRu/3D GF compared to those on PtRu/Graphene.

KW - Carbon supporting materials

KW - Ethanol oxidation reaction

KW - Methanol oxidation reaction

KW - Nanocatalysts

KW - PtRu bimetallic nanoparticles

KW - Three-dimensional graphene foam

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JO - Journal of Power Sources

JF - Journal of Power Sources

ER -

Three dimensional graphene foam supported platinum-ruthenium bimetallic nanocatalysts for direct methanol and direct ethanol fuel cell applications

Abstract

Keywords

UN SDGs

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