Photochemical preparation of Pt electrocatalysts on Sn02 support for PEFCs

M. Nagamine; Z. Noda; S. Matsumoto; J. Matsuda; A. Hayashi; K. Sasaki

doi:10.1149/08008.0773ecst

Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs

M. Nagamine, Z. Noda, S. Matsumoto, J. Matsuda, A. Hayashi, K. Sasaki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Core-shell electrocatalyst, in which a Pt monolayer or multilayer shell covers a nano-particle core of a different metal, exhibits high mass activity due to the high utilization of Pt. However, it is still required to improve its durability. If a thermochemically-stable conductive oxide is applied to the core with high durability, such an oxide-core Pt-shell electrocatalyst may exhibit high durability. In this study, we try to realize atomic-level Pt deposition on such a stable oxide to prepare core-shell electrocatalysts, where SnO₂ rather than (noble) metals is applied as the core of such electrocatalysts. A photochemical procedure is applied to deposit Pt on SnO₂. The dependencies of Pt shell deposition and electrocatalytic activity are analyzed on ultraviolet (UV) irradiation time, suspension temperature during UV irradiation, and the kind and concentration of the sacrificial reagent.

Original language	English
Title of host publication	ECS Transactions
Editors	P. A. Shirvanian, V. Ramani, Y.-T. Kim, H. A. Gasteiger, K. Shinohara, K. E. Ayers, B. S. Pivovar, D. J. Jones, H. Uchida, K. A. Perry, S. Mitsushima, H. Xu, T. J. Schmidt, J. M. Fenton, T. F. Fuller, P. Strasser, F. Buechi, K. E. Swider-Lyons, R. A. Mantz, S. Narayan, P. N. Pintauro, C. Coutanceau, A. Z. Weber
Publisher	Electrochemical Society Inc.
Pages	773-780
Number of pages	8
Edition	8
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/08008.0773ecst
Publication status	Published - 2017
Event	Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting - National Harbor, United States Duration: Oct 1 2017 → Oct 5 2017

Publication series

Name	ECS Transactions
Number	8
Volume	80
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Other

Other	Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting
Country	United States
City	National Harbor
Period	10/1/17 → 10/5/17

All Science Journal Classification (ASJC) codes

Engineering(all)

Access to Document

10.1149/08008.0773ecst

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Nagamine, M., Noda, Z., Matsumoto, S., Matsuda, J., Hayashi, A., & Sasaki, K. (2017). Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs. In P. A. Shirvanian, V. Ramani, Y-T. Kim, H. A. Gasteiger, K. Shinohara, K. E. Ayers, B. S. Pivovar, D. J. Jones, H. Uchida, K. A. Perry, S. Mitsushima, H. Xu, T. J. Schmidt, J. M. Fenton, T. F. Fuller, P. Strasser, F. Buechi, K. E. Swider-Lyons, R. A. Mantz, S. Narayan, P. N. Pintauro, C. Coutanceau, ... A. Z. Weber (Eds.), ECS Transactions (8 ed., pp. 773-780). (ECS Transactions; Vol. 80, No. 8). Electrochemical Society Inc.. https://doi.org/10.1149/08008.0773ecst

Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs. / Nagamine, M.; Noda, Z.; Matsumoto, S.; Matsuda, J.; Hayashi, A.; Sasaki, K.

ECS Transactions. ed. / P. A. Shirvanian; V. Ramani; Y.-T. Kim; H. A. Gasteiger; K. Shinohara; K. E. Ayers; B. S. Pivovar; D. J. Jones; H. Uchida; K. A. Perry; S. Mitsushima; H. Xu; T. J. Schmidt; J. M. Fenton; T. F. Fuller; P. Strasser; F. Buechi; K. E. Swider-Lyons; R. A. Mantz; S. Narayan; P. N. Pintauro; C. Coutanceau; A. Z. Weber. 8. ed. Electrochemical Society Inc., 2017. p. 773-780 (ECS Transactions; Vol. 80, No. 8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nagamine, M, Noda, Z, Matsumoto, S, Matsuda, J , Hayashi, A & Sasaki, K 2017, Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs. in PA Shirvanian, V Ramani, Y-T Kim, HA Gasteiger, K Shinohara, KE Ayers, BS Pivovar, DJ Jones, H Uchida, KA Perry, S Mitsushima, H Xu, TJ Schmidt, JM Fenton, TF Fuller, P Strasser, F Buechi, KE Swider-Lyons, RA Mantz, S Narayan, PN Pintauro, C Coutanceau & AZ Weber (eds), ECS Transactions. 8 edn, ECS Transactions, no. 8, vol. 80, Electrochemical Society Inc., pp. 773-780, Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting, National Harbor, United States, 10/1/17. https://doi.org/10.1149/08008.0773ecst

Nagamine M, Noda Z, Matsumoto S, Matsuda J , Hayashi A , Sasaki K. Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs. In Shirvanian PA, Ramani V, Kim Y-T, Gasteiger HA, Shinohara K, Ayers KE, Pivovar BS, Jones DJ, Uchida H, Perry KA, Mitsushima S, Xu H, Schmidt TJ, Fenton JM, Fuller TF, Strasser P, Buechi F, Swider-Lyons KE, Mantz RA, Narayan S, Pintauro PN, Coutanceau C, Weber AZ, editors, ECS Transactions. 8 ed. Electrochemical Society Inc. 2017. p. 773-780. (ECS Transactions; 8). https://doi.org/10.1149/08008.0773ecst

Nagamine, M. ; Noda, Z. ; Matsumoto, S. ; Matsuda, J. ; Hayashi, A. ; Sasaki, K. / Photochemical preparation of Pt electrocatalysts on Sn0₂ support for PEFCs. ECS Transactions. editor / P. A. Shirvanian ; V. Ramani ; Y.-T. Kim ; H. A. Gasteiger ; K. Shinohara ; K. E. Ayers ; B. S. Pivovar ; D. J. Jones ; H. Uchida ; K. A. Perry ; S. Mitsushima ; H. Xu ; T. J. Schmidt ; J. M. Fenton ; T. F. Fuller ; P. Strasser ; F. Buechi ; K. E. Swider-Lyons ; R. A. Mantz ; S. Narayan ; P. N. Pintauro ; C. Coutanceau ; A. Z. Weber. 8. ed. Electrochemical Society Inc., 2017. pp. 773-780 (ECS Transactions; 8).

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abstract = "Core-shell electrocatalyst, in which a Pt monolayer or multilayer shell covers a nano-particle core of a different metal, exhibits high mass activity due to the high utilization of Pt. However, it is still required to improve its durability. If a thermochemically-stable conductive oxide is applied to the core with high durability, such an oxide-core Pt-shell electrocatalyst may exhibit high durability. In this study, we try to realize atomic-level Pt deposition on such a stable oxide to prepare core-shell electrocatalysts, where SnO2 rather than (noble) metals is applied as the core of such electrocatalysts. A photochemical procedure is applied to deposit Pt on SnO2. The dependencies of Pt shell deposition and electrocatalytic activity are analyzed on ultraviolet (UV) irradiation time, suspension temperature during UV irradiation, and the kind and concentration of the sacrificial reagent.",

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