Highly Efficient Proton Conduction in the Metal-Organic Framework Material MFM-300(Cr)·SO4(H3O)2

Jin Chen; Qingqing Mei; Yinlin Chen; Christopher Marsh; Bing An; Xue Han; Ian P. Silverwood; Ming Li; Yongqiang Cheng; Meng He; Xi Chen; Weiyao Li; Meredydd Kippax-Jones; Danielle Crawshaw; Mark D. Frogley; Sarah J. Day; Victoria García-Sakai; Pascal Manuel; Anibal J. Ramirez-Cuesta; Sihai Yang; Martin Schröder

doi:10.1021/jacs.2c04900

Highly Efficient Proton Conduction in the Metal-Organic Framework Material MFM-300(Cr)·SO₄(H₃O)₂

Jin Chen, Qingqing Mei, Yinlin Chen, Christopher Marsh, Bing An, Xue Han, Ian P. Silverwood, Ming Li, Yongqiang Cheng, Meng He, Xi Chen, Weiyao Li, Meredydd Kippax-Jones, Danielle Crawshaw, Mark D. Frogley, Sarah J. Day, Victoria García-Sakai, Pascal Manuel, Anibal J. Ramirez-Cuesta, Sihai YangMartin Schröder

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

38 Scopus citations

Abstract

The development of materials showing rapid proton conduction with a low activation energy and stable performance over a wide temperature range is an important and challenging line of research. Here, we report confinement of sulfuric acid within porous MFM-300(Cr) to give MFM-300(Cr)·SO4(H3O)2, which exhibits a record-low activation energy of 0.04 eV, resulting in stable proton conductivity between 25 and 80 °C of >10-2 S cm-1. In situ synchrotron X-ray powder diffraction (SXPD), neutron powder diffraction (NPD), quasielastic neutron scattering (QENS), and molecular dynamics (MD) simulation reveal the pathways of proton transport and the molecular mechanism of proton diffusion within the pores. Confined sulfuric acid species together with adsorbed water molecules play a critical role in promoting the proton transfer through this robust network to afford a material in which proton conductivity is almost temperature-independent.

Original language	English
Pages (from-to)	11969-11974
Number of pages	6
Journal	Journal of the American Chemical Society
Volume	144
Issue number	27
DOIs	https://doi.org/10.1021/jacs.2c04900
State	Published - Jul 13 2022

Funding

We thank EPSRC (EP/I011870, EP/V056409), the Royal Society, University of Manchester for funding. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement 742401, NANOCHEM). J.C. and X.C. thank China Scholarship Council for funding. Q.M. is supported by a Royal Society Newton International Fellowship. We are especially grateful to STFC/ISIS Neutron Facility and Diamond Light Source for access to the Beamlines IRIS/WISH and I11, respectively.

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Access to Document

10.1021/jacs.2c04900

Cite this

Chen, J., Mei, Q., Chen, Y., Marsh, C., An, B., Han, X., Silverwood, I. P., Li, M., Cheng, Y., He, M., Chen, X., Li, W., Kippax-Jones, M., Crawshaw, D., Frogley, M. D., Day, S. J., García-Sakai, V., Manuel, P., Ramirez-Cuesta, A. J., ... Schröder, M. (2022). Highly Efficient Proton Conduction in the Metal-Organic Framework Material MFM-300(Cr)·SO₄(H₃O)₂. Journal of the American Chemical Society, 144(27), 11969-11974. https://doi.org/10.1021/jacs.2c04900

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title = "Highly Efficient Proton Conduction in the Metal-Organic Framework Material MFM-300(Cr)·SO4(H3O)2",

abstract = "The development of materials showing rapid proton conduction with a low activation energy and stable performance over a wide temperature range is an important and challenging line of research. Here, we report confinement of sulfuric acid within porous MFM-300(Cr) to give MFM-300(Cr)·SO4(H3O)2, which exhibits a record-low activation energy of 0.04 eV, resulting in stable proton conductivity between 25 and 80 °C of >10-2 S cm-1. In situ synchrotron X-ray powder diffraction (SXPD), neutron powder diffraction (NPD), quasielastic neutron scattering (QENS), and molecular dynamics (MD) simulation reveal the pathways of proton transport and the molecular mechanism of proton diffusion within the pores. Confined sulfuric acid species together with adsorbed water molecules play a critical role in promoting the proton transfer through this robust network to afford a material in which proton conductivity is almost temperature-independent.",

author = "Jin Chen and Qingqing Mei and Yinlin Chen and Christopher Marsh and Bing An and Xue Han and Silverwood, {Ian P.} and Ming Li and Yongqiang Cheng and Meng He and Xi Chen and Weiyao Li and Meredydd Kippax-Jones and Danielle Crawshaw and Frogley, {Mark D.} and Day, {Sarah J.} and Victoria Garc{\'i}a-Sakai and Pascal Manuel and Ramirez-Cuesta, {Anibal J.} and Sihai Yang and Martin Schr{\"o}der",

note = "Publisher Copyright: {\textcopyright} 2022 The Authors. Published by American Chemical Society.",

year = "2022",

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Chen, J, Mei, Q, Chen, Y, Marsh, C, An, B, Han, X, Silverwood, IP, Li, M, Cheng, Y, He, M, Chen, X, Li, W, Kippax-Jones, M, Crawshaw, D, Frogley, MD, Day, SJ, García-Sakai, V, Manuel, P, Ramirez-Cuesta, AJ, Yang, S & Schröder, M 2022, 'Highly Efficient Proton Conduction in the Metal-Organic Framework Material MFM-300(Cr)·SO₄(H₃O)₂', Journal of the American Chemical Society, vol. 144, no. 27, pp. 11969-11974. https://doi.org/10.1021/jacs.2c04900

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