Luminescence Thermometry Probes Local Heat Effects at the Platinum Electrode Surface during Alkaline Water Electrolysis

Thimo S. Jacobs; Sunghak Park; Marco Schönig; Bert M. Weckhuysen; Marc T.M. Koper; Ward van der Stam

doi:10.1021/acsenergylett.4c01238

Luminescence Thermometry Probes Local Heat Effects at the Platinum Electrode Surface during Alkaline Water Electrolysis

Thimo S. Jacobs
, Sunghak Park
, Marco Schönig
, Bert M. Weckhuysen
, Marc T.M. Koper^*
, Ward van der Stam^*

^*Corresponding author for this work

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

Abstract

Accurate determination of the temperature dynamics at the electrode surface is crucial for advancing electrocatalysis, particularly in the development of stable materials that aid energy conversion and storage technologies. Here, lanthanide-based in situ luminescence thermometry was used to probe local heat effects at the platinum electrode surface during alkaline water electrolysis. It is demonstrated that the oxygen evolution reaction (OER) induces a more significant temperature increase compared to the hydrogen evolution reaction (HER) under the same electrochemical conditions. This difference is attributed to variations in overpotential heating and local effects on Joule heating. Furthermore, local heat effects are not observed at increased electrolyte concentrations during the HER, whereas substantial temperature variations (up to 2 K) are detected for the OER at higher electrolyte concentrations. Our observations highlight the potential of in situ luminescence thermometry to measure interfacial temperature effects during electrocatalytic reactions.

Original language	English
Pages (from-to)	3335-3341
Number of pages	7
Journal	ACS Energy Letters
Volume	9
Issue number	7
DOIs	https://doi.org/10.1021/acsenergylett.4c01238
Publication status	Published - Jun 2024

Bibliographical note

Publisher Copyright:
© 2024 The Authors. Published by American Chemical Society.

Funding

T.S.J., B.M.W., W.v.d.S, and M.T.M.K. carried out the research under project number ENPPS.IPP.019.002 in the framework of the Research Program of the Materials innovation institute (M2i) (www.m2i.nl) and received funding from Tata Steel Nederland Technology BV and the Dutch Research Council (NWO) in the framework of the ENW PPP Fund for the top sectors and from the Ministry of Economic Affairs in the framework of the "PPS-Toeslagregeling". S.P. acknowledges the support by the Nano & Materials Technology Development Program through the National Research Foundation of Korea (NRF) funded by Ministry of Science and ICT (RS-2024-00436563). M.S. acknowledges funding from the 2023 HORIZON-MSCA-PF program under grant agreement no. 101147027. Dr. Freddy T. Rabouw (Utrecht University) is thanked for fruitful discussions.

Funders	Funder number
Ministry of Economic Affairs
National Research Foundation of Korea
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Materials Innovation Institute
Tata Steel Nederland Technology BV
Ministry of Science and ICT	101147027, RS-2024-00436563

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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Cite this

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title = "Luminescence Thermometry Probes Local Heat Effects at the Platinum Electrode Surface during Alkaline Water Electrolysis",

abstract = "Accurate determination of the temperature dynamics at the electrode surface is crucial for advancing electrocatalysis, particularly in the development of stable materials that aid energy conversion and storage technologies. Here, lanthanide-based in situ luminescence thermometry was used to probe local heat effects at the platinum electrode surface during alkaline water electrolysis. It is demonstrated that the oxygen evolution reaction (OER) induces a more significant temperature increase compared to the hydrogen evolution reaction (HER) under the same electrochemical conditions. This difference is attributed to variations in overpotential heating and local effects on Joule heating. Furthermore, local heat effects are not observed at increased electrolyte concentrations during the HER, whereas substantial temperature variations (up to 2 K) are detected for the OER at higher electrolyte concentrations. Our observations highlight the potential of in situ luminescence thermometry to measure interfacial temperature effects during electrocatalytic reactions.",

author = "Jacobs, \{Thimo S.\} and Sunghak Park and Marco Sch{\"o}nig and Weckhuysen, \{Bert M.\} and Koper, \{Marc T.M.\} and \{van der Stam\}, Ward",

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doi = "10.1021/acsenergylett.4c01238",

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AU - Jacobs, Thimo S.

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AU - Schönig, Marco

AU - Weckhuysen, Bert M.

AU - Koper, Marc T.M.

AU - van der Stam, Ward

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AB - Accurate determination of the temperature dynamics at the electrode surface is crucial for advancing electrocatalysis, particularly in the development of stable materials that aid energy conversion and storage technologies. Here, lanthanide-based in situ luminescence thermometry was used to probe local heat effects at the platinum electrode surface during alkaline water electrolysis. It is demonstrated that the oxygen evolution reaction (OER) induces a more significant temperature increase compared to the hydrogen evolution reaction (HER) under the same electrochemical conditions. This difference is attributed to variations in overpotential heating and local effects on Joule heating. Furthermore, local heat effects are not observed at increased electrolyte concentrations during the HER, whereas substantial temperature variations (up to 2 K) are detected for the OER at higher electrolyte concentrations. Our observations highlight the potential of in situ luminescence thermometry to measure interfacial temperature effects during electrocatalytic reactions.

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Luminescence Thermometry Probes Local Heat Effects at the Platinum Electrode Surface during Alkaline Water Electrolysis

Abstract

Bibliographical note

Funding

UN SDGs

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