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ABSTRACT The cost of fuel cell systems can be largely reduced by developing hydroxide exchange membrane fuel cells (HEMFCs) based on platinum group metal-free (PGM-free) catalysts. However,

the sluggish hydrogen oxidation reaction (HOR) in alkaline electrolytes forces HEMFCs to use higher PGM loadings at the anode than proton exchange membrane fuel cells to sustain the desired

power densities. Here we report nickel–molybdenum–niobium metallic glasses as PGM-free HOR catalysts. The optimal Ni52Mo13Nb35 metallic glass exhibits an intrinsic exchange current density

of 0.35 mA cm−2, outperforming that of a Pt disk catalyst (0.30 mA cm−2). This catalyst also shows remarkable robustness in alkaline electrolyte with a wide stability window up to 0.8 V

versus the reversible hydrogen electrode. When used as the anode, this catalyst enables power densities of 390 mW cm−2 in H2/O2 fuel cells and 253 mW cm−2 in H2/air fuel cells, and shows

negligible performance degradation over 50 h and 30 h, respectively. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution

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subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS AN EFFICIENT NICKEL HYDROGEN OXIDATION CATALYST FOR HYDROXIDE EXCHANGE MEMBRANE FUEL CELLS

Article 04 April 2022 TERNARY NICKEL–TUNGSTEN–COPPER ALLOY RIVALS PLATINUM FOR CATALYZING ALKALINE HYDROGEN OXIDATION Article Open access 11 May 2021 BIMETALLIC NICKEL-MOLYBDENUM/TUNGSTEN

NANOALLOYS FOR HIGH-EFFICIENCY HYDROGEN OXIDATION CATALYSIS IN ALKALINE ELECTROLYTES Article Open access 22 September 2020 DATA AVAILABILITY The data that support the findings of this study

are presented in the article and Supplementary Information. Source data are provided with this paper. Any other relevant data are also available from the corresponding authors upon

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1456–1465 (2011). Article  CAS  PubMed  Google Scholar  Download references ACKNOWLEDGEMENTS We thank S. L. Chen at Wuhan University for many helpful discussions. This work was supported by

the National Basic Research Program of China (grant no. 2018YFA0702001), the National Natural Science Foundation of China (grant nos. 22225901, 22175162, 21975237, 21521001, 21431006,

21225315, 21321002, 91645202 and 51871120), the Chinese Academy of Sciences (grant nos. KGZD-EW-T05 and XDA090301001), the Strategic Priority Research Program of the Chinese Academy of

Sciences (grant no. XDA21000000), the Anhui Provincial Research and Development Program (grant no. 202004a05020073), the USTC Research Funds of the Double First-Class Initiative (grant no.

YD2340002007), the Fundamental Research Funds for the Central Universities (grant nos. WK9990000101, 30919011107 and 30919011404), the Natural Science Foundation of Jiangsu Province (grant

no. BK20200019), the National Key R&D Program of China (grant no. 2021YFB3802800) and Guangdong–Hong Kong–Macao Joint Laboratory for Neutron Scattering Science and Technology. This

research used the resources of the Advanced Photon Source, a US Department of Energy (DOE), Office of Science User Facility operated for the DOE Office of Science by Argonne National

Laboratory under contract no. DE-AC02-06CH11357. AUTHOR INFORMATION Author notes * These authors contributed equally: Fei-Yue Gao, Si-Nan Liu, Jia-Cheng Ge, Xiao-Long Zhang, Li Zhu. AUTHORS

AND AFFILIATIONS * Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China

Fei-Yue Gao, Xiao-Long Zhang, Ya-Rong Zheng, Yu Duan, Shuai Qin, Xingxing Yu, Rui-Cheng Bao, Peng-Peng Yang, Zhuang-Zhuang Niu, Min-Rui Gao & Shu-Hong Yu * Herbert Gleiter Institute of

Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China Si-Nan Liu, Jia-Cheng Ge, Zhi-Gang Ding, Wei Liu & Si Lan *

Department of Physics, City University of Hong Kong, Hong Kong, China Li Zhu & Weixia Dong * Department of Chemical and Biomolecular Engineering and Center for Catalytic Science and

Technology, University of Delaware, Newark, DE, USA Yushan Yan Authors * Fei-Yue Gao View author publications You can also search for this author inPubMed Google Scholar * Si-Nan Liu View

author publications You can also search for this author inPubMed Google Scholar * Jia-Cheng Ge View author publications You can also search for this author inPubMed Google Scholar *

Xiao-Long Zhang View author publications You can also search for this author inPubMed Google Scholar * Li Zhu View author publications You can also search for this author inPubMed Google

Scholar * Ya-Rong Zheng View author publications You can also search for this author inPubMed Google Scholar * Yu Duan View author publications You can also search for this author inPubMed 

Google Scholar * Shuai Qin View author publications You can also search for this author inPubMed Google Scholar * Weixia Dong View author publications You can also search for this author

inPubMed Google Scholar * Xingxing Yu View author publications You can also search for this author inPubMed Google Scholar * Rui-Cheng Bao View author publications You can also search for

this author inPubMed Google Scholar * Peng-Peng Yang View author publications You can also search for this author inPubMed Google Scholar * Zhuang-Zhuang Niu View author publications You can

also search for this author inPubMed Google Scholar * Zhi-Gang Ding View author publications You can also search for this author inPubMed Google Scholar * Wei Liu View author publications

You can also search for this author inPubMed Google Scholar * Si Lan View author publications You can also search for this author inPubMed Google Scholar * Min-Rui Gao View author

publications You can also search for this author inPubMed Google Scholar * Yushan Yan View author publications You can also search for this author inPubMed Google Scholar * Shu-Hong Yu View

author publications You can also search for this author inPubMed Google Scholar CONTRIBUTIONS M.-R.G. and S.L. conceived the idea and directed the project. S.-H.Y. and Y.Y. advised on the

research and contributed to the scientific interpretation. F.-Y.G., S.-N.L. and J.-C.G. fabricated the metallic glasses and collected and analysed the data. X.-L.Z., L.Z., Z.-G.D. and W.L.

performed the DFT calculations. Y.-R.Z. and Y.D. carried out the XRD measurements. W.D. performed the DMA measurements. R.-C.B. and X.Y. assisted with the electrochemical measurements. S.Q.,

Z.-Z.N. and P.-P.Y. assisted with the structure analyses. F.-Y.G., S.-N.L., J.-C.G., S.L. and M.-R.G. wrote and edited the manuscript. All authors discussed the results and commented on the

manuscript. CORRESPONDING AUTHORS Correspondence to Si Lan or Min-Rui Gao. ETHICS DECLARATIONS COMPETING INTERESTS The authors declare no competing interests. PEER REVIEW PEER REVIEW

INFORMATION _Nature Catalysis_ thanks Hamish Miller, Jan Schroers and the other, anonymous, reviewer(s) for their contribution to the peer review of this work. ADDITIONAL INFORMATION

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Supplementary Discussion, Figs. 1–51 and Tables 1–5. SUPPLEMENTARY DATA Atomic coordinates of the simulated Ni52Mo13Nb35 models. SOURCE DATA SOURCE DATA FIG. 4 The data used to plot the

figures. SOURCE DATA FIG. 5 The data used to plot the figures. RIGHTS AND PERMISSIONS Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with

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law. Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Gao, FY., Liu, SN., Ge, JC. _et al._ Nickel–molybdenum–niobium metallic glass for efficient hydrogen oxidation in hydroxide

exchange membrane fuel cells. _Nat Catal_ 5, 993–1005 (2022). https://doi.org/10.1038/s41929-022-00862-8 Download citation * Received: 23 April 2022 * Accepted: 16 September 2022 *

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