DOI: 10.1002/anie.201307203. Carbon Nanotubes/Heteroatom‐Doped Carbon Core–Sheath Nanostructures as Highly Active, Metal‐Free Oxygen Reduction Electrocatalysts for Alkaline Fuel Cells

Carbon Nanotubes/Heteroatom‐Doped Carbon Core–Sheath Nanostructures as Highly Active, Metal‐Free Oxygen Reduction Electrocatalysts for Alkaline Fuel Cells

10.1002/anie.201307203

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractA facile, scalable route to new nanocomposites that are based on carbon nanotubes/heteroatom‐doped carbon (CNT/HDC) core–sheath nanostructures is reported. These nanostructures were prepared by the adsorption of heteroatom‐containing ionic liquids on the walls of CNTs, followed by carbonization. The design of the CNT/HDC composite allows for combining the electrical conductivity of the CNTs with the catalytic activity of the heteroatom‐containing HDC sheath layers. The CNT/HDC nanostructures are highly active electrocatalysts for the oxygen reduction reaction and displayed one of the best performances among heteroatom‐doped nanocarbon catalysts in terms of half‐wave potential and kinetic current density. The four‐electron selectivity and the exchange current density of the CNT/HDC nanostructures are comparable with those of a Pt/C catalyst, and the CNT/HDC composites were superior to Pt/C in terms of long‐term durability and poison tolerance. Furthermore, an alkaline fuel cell that employs a CNT/HDC nanostructure as the cathode catalyst shows very high current and power densities, which sheds light on the practical applicability of these new nanocomposites.

Bibliography

Sa, Y. J., Park, C., Jeong, H. Y., Park, S., Lee, Z., Kim, K. T., Park, G., & Joo, S. H. (2014). Carbon Nanotubes/HeteroatomâDoped Carbon CoreâSheath Nanostructures as Highly Active, MetalâFree Oxygen Reduction Electrocatalysts for Alkaline Fuel Cells. Angewandte Chemie International Edition, 53(16), 4102â4106. Portico.

Authors 8

Young Jin Sa (first)
Chiyoung Park (additional)
Hu Young Jeong (additional)
Seok‐Hee Park (additional)
Zonghoon Lee (additional)
Kyoung Taek Kim (additional)
Gu‐Gon Park (additional)
Sang Hoon Joo (additional)

References 45 Referenced 168

Dates

Type	When
Created	11 years, 6 months ago (Feb. 19, 2014, 2:59 p.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 8:19 a.m.)
Indexed	2 months, 1 week ago (June 20, 2025, 8:45 a.m.)
Issued	11 years, 6 months ago (Feb. 19, 2014)
Published	11 years, 6 months ago (Feb. 19, 2014)
Published Online	11 years, 6 months ago (Feb. 19, 2014)
Published Print	11 years, 4 months ago (April 14, 2014)

Funders 0

None

BibTeX

@article{Sa_2014, title={Carbon Nanotubes/Heteroatom‐Doped Carbon Core–Sheath Nanostructures as Highly Active, Metal‐Free Oxygen Reduction Electrocatalysts for Alkaline Fuel Cells}, volume={53}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201307203}, DOI={10.1002/anie.201307203}, number={16}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Sa, Young Jin and Park, Chiyoung and Jeong, Hu Young and Park, Seok‐Hee and Lee, Zonghoon and Kim, Kyoung Taek and Park, Gu‐Gon and Joo, Sang Hoon}, year={2014}, month=feb, pages={4102–4106} }

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