Publications by Wenchao Ma | EPFL Graph Search

Related publications (7)

Encapsulated Co–Ni alloy boosts high-temperature CO2 electroreduction

Jeremy Luterbacher, Xile Hu, Wenhao Ren, Seongmin Jin, Jiaming Tian, Wenchao Ma

Electrochemical CO 2 reduction into chemicals and fuels holds great promise for renewable energy storage and carbon recycling 1–3 . Although high-temperature CO 2 electroreduction in solid oxide electrolysis cells is industrially relevant, current catalyst ...

Springer Science and Business Media LLC2025

Copper lattice tension boosts full-cell CO electrolysis to multi-carbon olefins and oxygenates

Xile Hu, Wenchao Ma

Electrocatalytic upgrading of CO to value-added multi-carbon (C2+) compounds is a promising approach to efficient carbon utilization. However, current full-cell systems have low energy conversion effi-ciencies under practical conditions due to the requirem ...

Cell Press2023

Encapsulated alloy catalysts and their methods of preparation

Xile Hu, Wenchao Ma

The present invention relates to a method for preparing a catalyst comprising the steps of a. dissolving two or more alloy metal salts, b. adding at least one chelating agent and at least one stabilising agent, forming a sol, c. adding an encapsulant to ...

2025

Anion Exchange Membrane Water Electrolysis at 10 A ⋅ cm−2 Over 800 Hours

Xile Hu, Wenchao Ma, Ariana Serban, Yiwei Zheng, Andrit Allushi

Anion exchange membrane water electrolyzer (AEMWE) is a potentially cost-effective technology for green hydrogen production. Although the normal current densities of AEMWEs are below 3 A ⋅ cm−2, operating them at higher current densities represents an effi ...

Wiley-VCH Verlag GmbH2025

Field-enhanced CO electroreduction in membrane electrolyzers at a dehydrated interface

Xile Hu, Miyeon Chang, Wenhao Ren, Wenchao Ma, Nanjun Chen

Zero-gap membrane electrode assembly (MEA) CO electrolyzer stands as a promising technology for circular carbon economy. However, current CO electrolyzers are energetically inefficient when operating at ampere-level current densities. Here, by analyzing th ...

2024

Synergistic interactions between PtRu catalyst and nitrogen-doped carbon support boost hydrogen oxidation

Andreas Schueler, Jeremy Luterbacher, Xile Hu, Anna Krammer, Weiyan Ni, Josephine Lederballe Meibom, Lichen Bai, Miyeon Chang, Seunghwa Lee, Songlan Sun, Seongmin Jin, Wenchao Ma, Yiwei Zheng

Hydroxide exchange membrane fuel cell (HEMFC) is a potentially cost-effective energy conversion technology. However, current state-of-the-art HEMFCs require a high loading of platinum-group-metal (PGM) catalysts, especially for the hydrogen oxidation react ...

NATURE PORTFOLIO2023

Tailored water and hydroxide transport at a quasi-two-phase interface of membrane electrode assembly electrolyzer for CO electroreduction

Xile Hu, Wenhao Ren, Wenchao Ma

Electrochemical CO reduction can potentially serve as an intermediate step for the efficient conversion of CO2 to chemical fuels using renewable electricity. Although membrane electrode assembly (MEA) CO electrolyzers are industrially relevant, they curren ...

Cell Press2023