Three-dimensional network of graphene grown with carbon nanotubes as carbon support for fuel cells

Jing Yi Jhan; Yu Wei Huang; Chun Han Hsu; Hsisheng Teng; Daniel Kuo; Ping Lin Kuo

doi:10.1016/j.energy.2013.03.002

Three-dimensional network of graphene grown with carbon nanotubes as carbon support for fuel cells

Jing Yi Jhan, Yu Wei Huang, Chun Han Hsu, Hsisheng Teng, Daniel Kuo, Ping Lin Kuo

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Abstract

A thermally reduced graphene oxide (TRGO) grown with carbon nanotubes composite (G-CNT) was utilized as three-dimensional highly conductive carbon scaffolds, where a large amount of small and homogeneous Pt nanoparticles (from 3.37 ± 1.22 to 4.24 ± 1.83 nm) was directly synthesized on G-CNT to acquire a new type of catalyst (Pt/G-CNT). Meanwhile, Pt nanoparticles loaded on TRGO (Pt/TRGO) and on TRGO blended with carbon nanotubes (Pt/G-b-CNT) were prepared for comparison. The G-CNT showed a very high electrical conductivity (144.4 S cm^-1) compared to the G-b-CNT (67.5 S cm^-1) and TRGO (9.1 S cm^-1). In contrast to Pt/G-b-CNT (36.8 m² g^-1) and Pt/TRGO (28.1 m² g^-1), Pt/G-CNT showed a very high electrochemically active surface area (77.4 m² g^-1). As these catalysts were utilized as the anode for the fuel cell, the maximum power density value for Pt/G-CNT (32.0 mW cm^-2) was about 65% and 74% higher than that of Pt/G-b-CNT (19.4 mW cm^-2) and Pt/TRGO (18.4 mW cm^-2), respectively, and 26% higher than that of E-TEK (25.4 mW cm^-2).

Original language	English
Pages (from-to)	282-287
Number of pages	6
Journal	Energy
Volume	53
DOIs	https://doi.org/10.1016/j.energy.2013.03.002
Publication status	Published - 2013 May 1

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Building and Construction
Pollution
Mechanical Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

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10.1016/j.energy.2013.03.002

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title = "Three-dimensional network of graphene grown with carbon nanotubes as carbon support for fuel cells",

abstract = "A thermally reduced graphene oxide (TRGO) grown with carbon nanotubes composite (G-CNT) was utilized as three-dimensional highly conductive carbon scaffolds, where a large amount of small and homogeneous Pt nanoparticles (from 3.37 ± 1.22 to 4.24 ± 1.83 nm) was directly synthesized on G-CNT to acquire a new type of catalyst (Pt/G-CNT). Meanwhile, Pt nanoparticles loaded on TRGO (Pt/TRGO) and on TRGO blended with carbon nanotubes (Pt/G-b-CNT) were prepared for comparison. The G-CNT showed a very high electrical conductivity (144.4 S cm-1) compared to the G-b-CNT (67.5 S cm-1) and TRGO (9.1 S cm-1). In contrast to Pt/G-b-CNT (36.8 m2 g-1) and Pt/TRGO (28.1 m2 g-1), Pt/G-CNT showed a very high electrochemically active surface area (77.4 m2 g-1). As these catalysts were utilized as the anode for the fuel cell, the maximum power density value for Pt/G-CNT (32.0 mW cm-2) was about 65% and 74% higher than that of Pt/G-b-CNT (19.4 mW cm-2) and Pt/TRGO (18.4 mW cm-2), respectively, and 26% higher than that of E-TEK (25.4 mW cm-2).",

author = "Jhan, {Jing Yi} and Huang, {Yu Wei} and Hsu, {Chun Han} and Hsisheng Teng and Daniel Kuo and Kuo, {Ping Lin}",

note = "Funding Information: The authors would like to thank the National Science Council, Taipei, R.O.C. for their generous financial support of this research. ",

year = "2013",

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doi = "10.1016/j.energy.2013.03.002",

language = "English",

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T1 - Three-dimensional network of graphene grown with carbon nanotubes as carbon support for fuel cells

AU - Jhan, Jing Yi

AU - Huang, Yu Wei

AU - Hsu, Chun Han

AU - Teng, Hsisheng

AU - Kuo, Daniel

AU - Kuo, Ping Lin

N1 - Funding Information: The authors would like to thank the National Science Council, Taipei, R.O.C. for their generous financial support of this research.

PY - 2013/5/1

Y1 - 2013/5/1

N2 - A thermally reduced graphene oxide (TRGO) grown with carbon nanotubes composite (G-CNT) was utilized as three-dimensional highly conductive carbon scaffolds, where a large amount of small and homogeneous Pt nanoparticles (from 3.37 ± 1.22 to 4.24 ± 1.83 nm) was directly synthesized on G-CNT to acquire a new type of catalyst (Pt/G-CNT). Meanwhile, Pt nanoparticles loaded on TRGO (Pt/TRGO) and on TRGO blended with carbon nanotubes (Pt/G-b-CNT) were prepared for comparison. The G-CNT showed a very high electrical conductivity (144.4 S cm-1) compared to the G-b-CNT (67.5 S cm-1) and TRGO (9.1 S cm-1). In contrast to Pt/G-b-CNT (36.8 m2 g-1) and Pt/TRGO (28.1 m2 g-1), Pt/G-CNT showed a very high electrochemically active surface area (77.4 m2 g-1). As these catalysts were utilized as the anode for the fuel cell, the maximum power density value for Pt/G-CNT (32.0 mW cm-2) was about 65% and 74% higher than that of Pt/G-b-CNT (19.4 mW cm-2) and Pt/TRGO (18.4 mW cm-2), respectively, and 26% higher than that of E-TEK (25.4 mW cm-2).

AB - A thermally reduced graphene oxide (TRGO) grown with carbon nanotubes composite (G-CNT) was utilized as three-dimensional highly conductive carbon scaffolds, where a large amount of small and homogeneous Pt nanoparticles (from 3.37 ± 1.22 to 4.24 ± 1.83 nm) was directly synthesized on G-CNT to acquire a new type of catalyst (Pt/G-CNT). Meanwhile, Pt nanoparticles loaded on TRGO (Pt/TRGO) and on TRGO blended with carbon nanotubes (Pt/G-b-CNT) were prepared for comparison. The G-CNT showed a very high electrical conductivity (144.4 S cm-1) compared to the G-b-CNT (67.5 S cm-1) and TRGO (9.1 S cm-1). In contrast to Pt/G-b-CNT (36.8 m2 g-1) and Pt/TRGO (28.1 m2 g-1), Pt/G-CNT showed a very high electrochemically active surface area (77.4 m2 g-1). As these catalysts were utilized as the anode for the fuel cell, the maximum power density value for Pt/G-CNT (32.0 mW cm-2) was about 65% and 74% higher than that of Pt/G-b-CNT (19.4 mW cm-2) and Pt/TRGO (18.4 mW cm-2), respectively, and 26% higher than that of E-TEK (25.4 mW cm-2).

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VL - 53

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JO - Energy

JF - Energy

ER -

Three-dimensional network of graphene grown with carbon nanotubes as carbon support for fuel cells

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