Platinum dendrites with controlled sizes for oxygen reduction reaction

Cheonghee Kim; Jong Gil Oh; Yong Tae Kim; Hansung Kim; Hyunjoo Lee

doi:10.1016/j.elecom.2010.09.004

Platinum dendrites with controlled sizes for oxygen reduction reaction

Cheonghee Kim, Jong Gil Oh, Yong Tae Kim, Hansung Kim, Hyunjoo Lee

Department of Chemical and Biomolecular Engineering

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

42 Citations (Scopus)

Abstract

Platinum dendrites were synthesized with the controlled sizes of 13-53 nm, and their electrocatalytic properties were evaluated for oxygen reduction reaction (ORR). Dendrites showed a superior activity for ORR and better selectivity for the production of H₂O, compared to commercial E-tek catalysts. Durability was also tested by estimating the change in electrochemically active surface area (ECSA) after extended periods of oxygen reduction. Dendrites with larger sizes showed improved durability.

Original language	English
Pages (from-to)	1596-1599
Number of pages	4
Journal	Electrochemistry Communications
Volume	12
Issue number	11
DOIs	https://doi.org/10.1016/j.elecom.2010.09.004
Publication status	Published - 2010 Nov

Bibliographical note

Funding Information:
This work is supported by New & Renewable Energy R&D program ( 2009T100100606 and 20093020030010 ) under the Ministry of Knowledge Economy of Korea , and the National Research Foundation ( NRF-2009-0092926 ) of Korea Grant funded by the Korean Government (MEST) .

All Science Journal Classification (ASJC) codes

Electrochemistry

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10.1016/j.elecom.2010.09.004

Cite this

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abstract = "Platinum dendrites were synthesized with the controlled sizes of 13-53 nm, and their electrocatalytic properties were evaluated for oxygen reduction reaction (ORR). Dendrites showed a superior activity for ORR and better selectivity for the production of H2O, compared to commercial E-tek catalysts. Durability was also tested by estimating the change in electrochemically active surface area (ECSA) after extended periods of oxygen reduction. Dendrites with larger sizes showed improved durability.",

author = "Cheonghee Kim and Oh, {Jong Gil} and Kim, {Yong Tae} and Hansung Kim and Hyunjoo Lee",

note = "Funding Information: This work is supported by New & Renewable Energy R&D program ( 2009T100100606 and 20093020030010 ) under the Ministry of Knowledge Economy of Korea , and the National Research Foundation ( NRF-2009-0092926 ) of Korea Grant funded by the Korean Government (MEST) .",

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doi = "10.1016/j.elecom.2010.09.004",

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AU - Kim, Cheonghee

AU - Oh, Jong Gil

AU - Kim, Yong Tae

AU - Kim, Hansung

AU - Lee, Hyunjoo

N1 - Funding Information: This work is supported by New & Renewable Energy R&D program ( 2009T100100606 and 20093020030010 ) under the Ministry of Knowledge Economy of Korea , and the National Research Foundation ( NRF-2009-0092926 ) of Korea Grant funded by the Korean Government (MEST) .

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N2 - Platinum dendrites were synthesized with the controlled sizes of 13-53 nm, and their electrocatalytic properties were evaluated for oxygen reduction reaction (ORR). Dendrites showed a superior activity for ORR and better selectivity for the production of H2O, compared to commercial E-tek catalysts. Durability was also tested by estimating the change in electrochemically active surface area (ECSA) after extended periods of oxygen reduction. Dendrites with larger sizes showed improved durability.

AB - Platinum dendrites were synthesized with the controlled sizes of 13-53 nm, and their electrocatalytic properties were evaluated for oxygen reduction reaction (ORR). Dendrites showed a superior activity for ORR and better selectivity for the production of H2O, compared to commercial E-tek catalysts. Durability was also tested by estimating the change in electrochemically active surface area (ECSA) after extended periods of oxygen reduction. Dendrites with larger sizes showed improved durability.

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Platinum dendrites with controlled sizes for oxygen reduction reaction

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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