Extending the Electrochemical Stability Window of Ti ₃ C ₂ T z MXenes via Ta–Hf Co-Substitution for Durable Proton Exchange Membrane Fuel Cell Catalyst Supports

Haridas Parse; Danielle Sviri Belilty; Bar Favelukis; Mathias Krämer; Andrea M. Mingers; Sukanta Chakrabartty; Noam Eliaz; Baptiste Gault; Dierk Raabe; Maxim Sokol; Brian A. Rosen

doi:10.1039/d6ta00700g

January 1, 2026Journal of Materials Chemistry A

Extending the Electrochemical Stability Window of Ti ₃ C ₂ T z MXenes via Ta–Hf Co-Substitution for Durable Proton Exchange Membrane Fuel Cell Catalyst Supports

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Key Points

The aim is to enhance the electrochemical stability of Ti3C2Tz MXenes by using ta–hf co-substitution.
Synthesize Ti3C2Tz MXenes with ta–hf co-substitution.
Assess electrochemical stability through various tests.
Evaluate the performance of MXenes as catalyst supports in proton exchange membrane fuel cells.
Co-substituted MXenes exhibit a significantly improved electrochemical stability window.
Enhanced durability observed in proton exchange membrane fuel cells using the modified MXenes.

Implication

Experimental research shows enhanced electrochemical stability in MXenes for catalyst supports, indicating improved fuel cell performance.

Abstract

MXenes are an emerging class of two-dimensional transition metal carbides with attractive electrical conductivity, surface chemistry tunability, and high surface area, making them promising candidates for electrocatalyst support materials in...

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Cite This Study

Parse et al. (2026) studied this question.

synapsesocial.com/papers/69cd7ad45652765b073a8544 https://doi.org/10.1039/d6ta00700g

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Extending the Electrochemical Stability Window of Ti ₃ C ₂ T z MXenes via Ta–Hf Co-Substitution for Durable Proton Exchange Membrane Fuel Cell Catalyst Supports

Key Points

Implication

Abstract

Discussion

Cite This Study

Extending the Electrochemical Stability Window of Ti ₃ C ₂ T z MXenes via Ta–Hf Co-Substitution for Durable Proton Exchange Membrane Fuel Cell Catalyst Supports

Key Points

Implication

Abstract

Discussion

Cite This Study

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