Shuang Ma Andersen

2025

A novel screening tool for gas diffusion electrodes through hanging electrode configuration: Impact of Nafion fraction on the ORR activity

Maurya, R., Sharma, R. & Andersen, S. M., 15. Mar 2025, In: Journal of Electroanalytical Chemistry. 981, 118977.

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An Up-Scalable Solid-State Approach to Synthesize Iridium Nanoparticles on ATO for Water Splitting

Sadeghi, E., Morgen, P., Makovec, D., Gyergyek, S., Sharma, R. & Andersen, S. M., 12. Mar 2025, In: ACS Applied Materials and Interfaces. 17, 10, p. 15423–15435

Research output: Contribution to journal › Journal article › Research › peer-review

Dissolution of nanoparticulate IrO₂ in dilute acidic baths through a pre-reduction step: A method to recover Ir from electrocatalytic/catalytic bodies

Sharma, R., Morgen, P. & Ma Andersen, S., 1. Feb 2025, In: Applied Surface Science. 681, 8 p., 161553.

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Intrinsic oxygen evolution reaction activity and stability enhancement of IrO_x electrocatalysts by microwave irradiation

Sanjay Karade, S., Sharma, R., Morgen, P., Pittkowski, R. K., M. Ø. Jensen, K. & Ma Andersen, S., 15. Feb 2025, In: Applied Surface Science. 682, 12 p., 161758.

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Scalable gas diffusion electrodes doped with Sn²⁺ as a radical scavenger for durability enhancement of low-temperature PEMFCs

Maurya, R., Morgen, P., Sharma, R. & Andersen, S. M., 1. Mar 2025, In: Journal of Power Sources. 631, 11 p., 236243.

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True gas phase oxygen reduction reaction (ORR) explorations at the electrolyte/gas interface: A unique screening configuration to study electrode interface structure for PEMFCs

Sharma, R., Maurya, R. & Andersen, S. M., 15. Jun 2025, In: Journal of Power Sources. 641, 9 p., 236841.

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2024

An Effective Route to Enhance Pt/C Electrocatalyst Durability through Addition of Ceramic Nanoparticles to Facilitate Pt Redeposition

Karimi, V., Morgen, P., Gyergyek, S., Sharma, R. & Andersen, S. M., 4. Dec 2024, In: ACS Applied Materials and Interfaces. 16, 48, p. 65993–66007

Research output: Contribution to journal › Journal article › Research › peer-review

Bifunctional electrocatalyst

Andersen, S. M. (Inventor), Sharma, R. (Inventor), Karade, S. S. (Inventor), Grahl-Madsen, L. (Inventor) & Larsen, M. J. (Inventor), 25. Apr 2024, IPC No. C25B1/04, C25B11/073, C25B11/097, Patent No. WO2024083628 (A2), 17. Feb 2022, Priority date 17. Feb 2022, Priority No. EP20220201789

Research output: Patent

Clarification of Degradation Mechanisms of the OER Activity of Ir-Based Electrocatalyst with Potentiodynamic Accelerated Stress Test

Sharma, R., Morgen, P., Makovec, D., Gyergyek, S. & Andersen, S. M., 31. Jul 2024, In: Journal of the Electrochemical Society. 171, 7, 074514.

Research output: Contribution to journal › Journal article › Research › peer-review

Electrochemical Activity of Carbon-Supported Pt-Nanoparticles: Effect of Pt-Precursor Ligand and/or Presence of Anions During Polyol Synthesis

Omann, K. J., Sharma, R. & Andersen, S. M., Jan 2024, In: Electrocatalysis. 15, 1, p. 96-109

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Enhanced electrochemical dissolution of iridium oxide in acidic electrolytes through presence of metal ions: shortened lifetime and hope for recovery

Sharma, R., Morgen, P., Makovec, D., Gyergyek, S. & Andersen, S. M., Aug 2024, In: RSC Sustainability. 8, p. 2225–2238

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Ir/Ir-Oxide nanoparticles supported on ceramic supports: Highly active and durable electrocatalysts for acidic water electrolyzers

Sharma, R. & Andersen, S. M., Jul 2024.

Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research › peer-review

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Limitations of Chronopotentiometry Test Protocols for Stability Study on Oxygen Evolution Reaction Electrocatalysts and Recommendations

Khan, I. A., Morgen, P., Sharma, R. & Andersen, S. M., 22. Feb 2024, In: Journal of Physical Chemistry C. 128, 7, p. 2828-2833

Research output: Contribution to journal › Journal article › Research › peer-review

Reduced valence state of iridium supported on antimony doped tin oxide as a highly active and robust oxygen evolution reaction electrocatalyst for proton exchange membrane-based electrolysis

Ali Khan, I., Morgen, P., Gyergyek, S., Sharma, R. & Ma Andersen, S., 15. Feb 2024, In: Applied Surface Science. 646, 12 p., 158924.

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Scalable Solid-State Synthesis of Carbon-Supported Ir Electrocatalysts for Acidic Oxygen Evolution Reaction: Exploring the Structure-Activity Relationship

Sadeghi, E., Morgen, P., Makovec, D., Gyergyek, S., Sharma, R. & Andersen, S. M., 9. Oct 2024, In: ACS Applied Materials & Interfaces. 16, 40, p. 53750–53763

Research output: Contribution to journal › Journal article › Research › peer-review

Stepwise Understanding on Hydrolysis Formation of the IrO_x Nanoparticles as Highly Active Electrocatalyst for Oxygen Evolution Reaction

Karade, S. S., Sharma, R., Hedegaard, M. A. B. & Andersen, S. M., Jul 2024, In: Electrocatalysis. 15, 4, p. 291-300

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Tailoring iridium-palladium nanoparticles with Ir-rich skin: a highly durable anode electrocatalyst for acidic water electrolysis via a facile microwave-assisted chemical reduction method

Karade, S. S., Sharma, R., Morgen, P., Makovec, D., Gyergyek, S. & Andersen, S. M., 24. Mar 2024, In: Physical Chemistry Chemical Physics. 26, 11, p. 9060-9072

Research output: Contribution to journal › Journal article › Research › peer-review

Tuning on Highly Dispersed Iridium on Antimony-Doped Tin Oxide with Strong Metal−Support Interaction for Oxygen Evolution Reaction

Khan, I. A., Morgen, P., Sharma, R. & Andersen, S. M., 23. Dec 2024, In: ACS Applied Energy Materials. 7, 24, p. 11977-11987

Research output: Contribution to journal › Journal article › Research › peer-review

2023

Correlation between the Electrochemical Durability of Pt/C Catalysts and the Surface Functional Groups of the Support Carbon

Omann, K. J., Sharma, R., Morgen, P., Gyergyek, S., Larsen, M. J. & Andersen, S. M., 2023, In: ACS Applied Energy Materials. 6, 3, p. 1294-1307

Research output: Contribution to journal › Journal article › Research › peer-review

IrO₂/Ir Composite Nanoparticles (IrO₂@Ir) Supported on TiN_xO_y Coated TiN: Efficient and Robust Oxygen Evolution Reaction Catalyst for Water Electrolysis

Karade, S. S., Sharma, R., Gyergyek, S., Morgen, P. & Andersen, S. M., 20. Feb 2023, In: ChemCatChem. 15, 4, 12 p., e202201470.

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Multiple Bubble Removal Strategies to Promote Oxygen Evolution Reaction: Mechanistic Understandings from Orientation, Rotation, and Sonication Perspectives

Karimi, V., Sharma, R., Morgen, P. & Andersen, S. M., 25. Oct 2023, In: ACS Applied Materials & Interfaces. 15, 42, p. 49233–49245

Research output: Contribution to journal › Journal article › Research › peer-review

Recovery, Regeneration, and Reapplication of PFSA Polymer from End-of-Life PEMFC MEAs

Sharma, R., Morgen, P., Larsen, M. J., Roda-Serrat, M. C., Lund, P. B., Grahl-Madsen, L. & Andersen, S. M., 3. Oct 2023, In: ACS Applied Materials & Interfaces. 15, 41, p. 48705-48715

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Selection on antimony-doped tin oxide (ATO) as an efficient support for iridium-based oxygen evolution reaction (OER) catalyst in acidic media

Khan, I. A., Morgen, P., Gyergyek, S., Sharma, R. & Andersen, S. M., 15. Oct 2023, In: Materials Chemistry and Physics. 308, 11 p., 128192.

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2022

A green adaptation of the critical resource of platinum group metals (PGMs) from spent autocatalysts to electrocatalysts for renewable power conversion

Sharma, R., Larsen, M. J., Larsen, L. C., Bogø, A., Grahl-Madsen, L. & Andersen, S. M., 21. Nov 2022, In: Sustainable Energy & Fuels. 6, 22, p. 5177-5186

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Baseline corrections for electrochemical surface area (ECSA) determination of Pt/C through H- adsorption/H-desorption regions

Sharma, R. & Andersen, S. M., Aug 2022.

Research output: Contribution to conference without publisher/journal › Poster › Research

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Critical thinking on baseline corrections for electrochemical surface area (ECSA) determination of Pt/C through H-adsorption/H-desorption regions of a cyclic voltammogram

Sharma, R., Gyergyek, S. & Andersen, S. M., 15. Aug 2022, In: Applied Catalysis B: Environmental. 311, 12 p., 121351.

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Gram-size Pt/C catalyst synthesized using Pt compound directly recovered from an end-of-life PEM fuel cell stack

Chourashiya, M., Sharma, R., Gyergyek, S. & Andersen, S. M., 15. Jan 2022, In: Materials Chemistry and Physics. 276, 9 p., 125439.

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Insights into Degradation of the Membrane–Electrode Assembly Performance in Low-Temperature PEMFC: the Catalyst, the Ionomer, or the Interface?

Sharma, R., Morgen, P., Chiriaev, S., Lund, P. B., Larsen, M. J., Sieborg, B., Grahl-Madsen, L. & Andersen, S. M., 9. Nov 2022, In: ACS Applied Materials & Interfaces. 14, 44, p. 49658–49671

Research output: Contribution to journal › Journal article › Research › peer-review

Microwave-Assisted Scalable Synthesis of Pt/C: Impact of the Microwave Irradiation and Carrier Solution Polarity on Nanoparticle Formation and Aging of the Support Carbon

Sharma, R., Gyergyek, S. & Andersen, S. M., 24. Jan 2022, In: ACS Applied Energy Materials. 5, 1, p. 705-716

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Performance and future directions of transition metal sulfide-based electrode materials towards supercapacitor/supercapattery

Das, A., Raj, B., Mohapatra, M., Andersen, S. M. & Basu, S., Jan 2022, In: Wiley Interdisciplinary Reviews: Energy and Environment. 11, 1, 36 p., e414.

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Post-degradation case study of the membrane electrode assembly from a low-temperature PEMFC stack

Sharma, R., Morgen, P., Chiriaev, S., Larsen, M. J., Sieborg, B., Grahl-Madsen, L. & Andersen, S. M., Aug 2022.

Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research

Towering non-Faradaic capacitive storage based on high quality reduced graphene oxide from spent graphite: Direct approach and waste utilization

Perumal, P., Mohapatra, M., Mukherjee, A., Basu, S. & Andersen, S. M., 25. Aug 2022, In: Journal of Energy Storage. 52, Part C, 14 p., 104989.

Research output: Contribution to journal › Journal article › Research › peer-review

2021

A method of recovering iridium

Andersen, S. (Inventor) & Sharma, R. (Inventor), 6. May 2021, IPC No. C22B3/00, C22B3/44, Patent No. WO2021083758 (A1), 6. May 2021, Priority date 28. Oct 2019, Priority No. EP20190205560

Research output: Patent

Circular use of Pt/C through Pt dissolution from spent PEMFC cathode and direct reproduction of new catalyst with microwave synthesis

Sharma, R. & Andersen, S. M., 1. Jun 2021, In: Materials Chemistry and Physics. 265, 9 p., 124472.

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Crystalline Disorder, Surface Chemistry, and Their Effects on the Oxygen Evolution Reaction (OER) Activity of Mass-Produced Nanostructured Iridium Oxides

Sharma, R., Karlsen, M., Morgen, P., Chamier, J., Ravnsbæk, D. B. & Andersen, S. M., 22. Mar 2021, In: ACS Applied Energy Materials. 4, 3, p. 2552–2562

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Degradation mechanisms of electrochemical activity of Pt/C during the accelerated stress test focused on catalyst support corrosion

Sharma, R. & Andersen, S. M., Sept 2021.

Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research

Increasing fuel cell durability during prolonged and intermittent fuel starvation using supported IrO_x

Labi, T., Van Schalkwyk, F., Andersen, S. M., Morgen, P., Ray, S. C. & Chamier, J., 1. Apr 2021, In: Journal of Power Sources. 490, 7 p., 229568.

Research output: Contribution to journal › Journal article › Research › peer-review

Leading strategies and research advances for the restoration of graphite from expired Li⁺ energy storage devices

Perumal, P., Andersen, S. M., Nikoloski, A., Basu, S. & Mohapatra, M., Dec 2021, In: Journal of Environmental Chemical Engineering. 9, 6, 17 p., 106455.

Research output: Contribution to journal › Journal article › Research › peer-review

Pt/C Electrocatalyst Durability Enhancement by Inhibition of Pt Nanoparticle Growth Through Microwave Pretreatment of Carbon Support

Sharma, R., Gyergyek, S., Chamier, J., Morgen, P. & Andersen, S. M., 12. Mar 2021, In: ChemElectroChem. 8, 6, p. 1183-1195

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Recovery of Pt and Ru from Spent Low-Temperature Polymer Electrolyte Membrane Fuel Cell Electrodes and Recycling of Pt by Direct Redeposition of the Dissolved Precursor on Carbon

Sharma, R., Gyergyek, S., Lund, P. B. & Andersen, S. M., 26. Jul 2021, In: ACS Applied Energy Materials. 4, 7, p. 6842–6852

Research output: Contribution to journal › Journal article › Research › peer-review

Synthesis of Pt/C from (NH4)2PtCl6 through Microwave- Assisted Synthesis: A particle size-controlled growth

Sharma, R., Wang, Y., Li, F., Chamier, J. & Andersen, S. M., Jul 2021, p. 129. 322 p.

Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research

2020

Electrochemical Dissolution of PtRu Nanoparticles: Electrocatalyst Stability During Operation and Recycling of Spent Catalysts

Sharma, R., Gyergyek, S., Morgen, P. & Andersen, S. M., 30. Aug 2020. 1 p.

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On the Electrochemical Stability of PtRu Alloy Electrodes in Aqueous Acidic Baths: A Strategy for Recycling Pt and Ru

Sharma, R., Gyergyek, S., Morgen, P. & Andersen, S. M., 5. Feb 2020, In: Journal of The Electrochemical Society. 167, 2, 9 p., 024521.

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Platinum recycling through electroless dissolution under mild conditions using a surface activation assisted Pt-complexing approach

Sharma, R., Morgen, P. & Andersen, S. M., 17. Jun 2020, In: Physical chemistry chemical physics : PCCP. 22, 23, p. 13030-13040

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Preparation and Characterization of Poly(Vinyl Alcohol) (PVA)/SiO₂, PVA/Sulfosuccinic Acid (SSA) and PVA/SiO₂/SSA Membranes: A Comparative Study

Remiš, T., Bělský, P., Andersen, S. M., Tomáš, M., Kadlec, J. & Kovářík, T., Mar 2020, In: Journal of Macromolecular Science, Part B. 59, 3, p. 157-181

Research output: Contribution to journal › Journal article › Research › peer-review

Solution combustion synthesized ceria or alumina supported Pt as cathode electrocatalyst for PEM fuel cells

Chourashiya, M., Gyergyek, S. & Andersen, S. M., 15. Feb 2020, In: Materials Chemistry and Physics. 242, 122444.

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Spent fuel cell electrocatalyst recycling through potentiodynamic dissolution of platinum

Sharma, R. & Andersen, S. M., 4. Oct 2020.

Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research

2019

Evolution of the degradation mechanisms with the number of stress cycles during an accelerated stress test of carbon supported platinum nanoparticles

Sharma, R., Gyergyek, S., Li, Q. & Andersen, S. M., 1. Apr 2019, In: Journal of Electroanalytical Chemistry. 838, p. 82-88

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Influence of dispersion media on Nafion® ionomer distribution in proton exchange membrane fuel cell catalyst carbon support

Sharma, R., Grahl-Madsen, L. & Andersen, S. M., 15. Mar 2019, In: Materials Chemistry and Physics. 226, p. 66-72

Research output: Contribution to journal › Journal article › Research › peer-review

Inhibition of Ostwald ripening through surface switching species during potentiodynamic dissolution of platinum nanoparticles as an efficient strategy for platinum group metal (PGM) recovery

Sharma, R., Simonsen, S. B., Morgen, P. & Andersen, S. M., 20. Oct 2019, In: Electrochimica Acta. 321, 11 p., 134662.

Research output: Contribution to journal › Journal article › Research › peer-review

Shuang Ma Andersen

Research output

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