Platinum Group Metal-Free NiMo Hydrogen Oxidation Catalysts: High Performance and Durability in Alkaline Exchange Membrane Fuel Cells | Sciact - CRIS-система Института катализа

Platinum Group Metal-Free NiMo Hydrogen Oxidation Catalysts: High Performance and Durability in Alkaline Exchange Membrane Fuel Cells Научная публикация

Журнал

Journal of Materials Chemistry A, Materials for Energy and Sustainability
ISSN: 2050-7488 , E-ISSN: 2050-7496

Вых. Данные

Год: 2017, Том: 5, Номер: 46, Страницы: 24433-24443 Страниц : 11 DOI: 10.1039/c7ta08718g

Ключевые слова

REDUCTION REACTION CATALYSTS; EVOLUTION REACTION; CATHODE CATALYST; OXYGEN; OXIDE; WATER; ACID; ELECTROCATALYSTS; ELECTROLYTES; STABILITY

Авторы

Kabir Sadia ¹ , Lemire Kenneth ¹ , Artyushkova Kateryna ¹ , Roy Aaron ¹ , Odgaard Madeleine ² , Schlueter Debbie ² , Oshchepkov Alexandr ^3,4,5 , Bonnefont Antoine ³ , Savinova Elena ³ , Sabarirajan Dinesh C. ⁶ , Mandal Pratiti ⁷ , Crumlin Ethan J. ⁷ , Zenyuk Iryna V. ⁶ , Atanassov Plamen ¹ , Serov Alexey ¹

Организации

1	Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials, University of New Mexico, Albuquerque, NM 87131, USA
2	EWII Fuel Cells, LLC., 8500 Washington St. NE, B-1, Albuquerque, NM, 87113, USA
3	Institut de Chimie et Proc´ed´es pour l'Energie, l'Environnement et la Sant´e, UMR 7515, CNRS, University of Strasbourg, Strasbourg Cedex, 67087, France
4	Institut de Chimie de Strasbourg, UMR 7177, CNRS, University of Strasbourg, Strasbourg, 67070, France
5	Boreskov Institute of Catalysis, Novosibirsk, 630090, Russia
6	Department of Mechanical Engineering, Tus University, 200 College Avenue, Medford, MA 02155, USA
7	Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA

Информация о финансировании (1)

Office of Energy Efficiency and Renewable Energy

DE-EE0006962

We introduce a new platinum group metal-free (PGM-free) hydrogen oxidation electrocatalyst with superior performance in anodes of alkaline exchange membrane fuel cells (AEMFCs). A carbon-supported bimetallic nickel-molybdenum catalyst was synthesized by thermal reduction of transition metal precursors on the surface of a carbon support (KetjenBlack 600J). The mass-weighted activity of 4.5 A gMe-1 determined in a liquid electrolyte 0.1 M NaOH using a rotating disk electrode (RDE) technique is comparable to the value reported for Pd/C with a comparable particle size under similar conditions. This NiMo/KB catalyst was integrated in a membrane electrode assembly (MEA) using an alkaline exchange membrane and ionomer. Single AEMFC tests performed in a H2/O2 configuration resulted in a record power density output of 120 mW cm-2 at 0.5 V, the MEA was found to be durable under the conditions of potential hold of 0.7 V for 115 h. For the first time, operando X-ray computed tomography (CT) experiments were performed demonstrating liquid water formation at the PGM-free anode during cell operation, and in situ ambient pressure X-ray photoelectron spectroscopy (APXPS) and X-ray absorption spectroscopy (APXAS) were used to study the role of molybdenum in hydrogen adsorption.

Kabir S. , Lemire K. , Artyushkova K. , Roy A. , Odgaard M. , Schlueter D. , Oshchepkov A. , Bonnefont A. , Savinova E. , Sabarirajan D.C. , Mandal P. , Crumlin E.J. , Zenyuk I.V. , Atanassov P. , Serov A.
Platinum Group Metal-Free NiMo Hydrogen Oxidation Catalysts: High Performance and Durability in Alkaline Exchange Membrane Fuel Cells
Journal of Materials Chemistry A, Materials for Energy and Sustainability. 2017. V.5. N46. P.24433-24443. DOI: 10.1039/c7ta08718g WOS Scopus РИНЦ CAPlusCA OpenAlex

Поступила в редакцию:	2 окт. 2017 г.
Принята к публикации:	6 нояб. 2017 г.
Опубликована online:	6 нояб. 2017 г.
Опубликована в печати:	14 дек. 2017 г.

Web of science:	WOS:000416340300047
Scopus:	2-s2.0-85036478940
РИНЦ:	35480236
Chemical Abstracts:	2017:1789116
Chemical Abstracts (print):	168:7390
OpenAlex:	W2767458687

БД	Цитирований
Web of science	161
Scopus	176
РИНЦ	163
OpenAlex	181