Publications de Yunchang Liang

Operando evidence on the chirality-enhanced oxygen evolution reaction in intrinsically chiral electrocatalysts

Magalí Alejandra Lingenfelder, Yunchang Liang

Electrolytic hydrogen is identified as a crucial component in the desired decarbonisation of the chemical industry, utilizing renewable energy to split water into hydrogen and oxygen. Water electrolysis still requires important scientific advances to impro ...

ROYAL SOC CHEMISTRY2025

Operando Nanoscale Characterization Reveals Fe Doping of Ni Oxide Enhances Oxygen Evolution Reaction via Fragmentation and Formation of Dual Active Sites

Magalí Alejandra Lingenfelder, Xile Hu, Karla Banjac, Seunghwa Lee, Yunchang Liang, Victor Carle Adrien Boureau

Efficient catalytic water splitting demands advanced catalysts to improve the slow kinetics of the oxygen evolution reaction (OER). Earth-abundant transition metal oxides show promising OER activity in alkaline media. However, most experimental information ...

2025

Synergistic enhancement of photo-assisted water splitting by mesoporous TiO2/NiFe LDH composite nanomaterials

Magalí Alejandra Lingenfelder, Yunchang Liang

In the last decade, photo-assisted water splitting to generate hydrogen and oxygen has become a key process in the quest for clean energy technologies. In this context, the sluggish kinetics of the oxygen evolution reaction (OER) is still a limitation. The ...

Pergamon-Elsevier Science Ltd2024

Hybrid mesoporous electrodes evidence CISS effect on water oxidation

Magalí Alejandra Lingenfelder, Yunchang Liang

Controlling product selectivity is essential for improving the efficiency of multi-product reactions. Electrochemical water oxidation is a reaction of main importance in different applications, e.g., renewable energy schemes and environmental protection, w ...

Aip Publishing2024

Enhancement of electrocatalysis through magnetic field effects on mass transport

Jean-Philippe Ansermet, Magalí Alejandra Lingenfelder, Yunchang Liang

Magnetic field effects on electrocatalysis have recently gained attention due to the substantial enhancement of the oxygen evolution reaction (OER) on ferromagnetic catalysts. When detecting an enhanced catalytic activity, the effect of magnetic fields on ...

Nature Portfolio2024

Enhancement of electrocatalytic oxygen evolution by chiral molecular functionalization of hybrid 2D electrodes

Magalí Alejandra Lingenfelder, Xile Hu, Karla Banjac, Seunghwa Lee, Yunchang Liang

While solar-to-fuel catalysis requires the careful transfer of electrons, there are still challenges understanding how electron spin contributes to reactivity. Here, authors employ chiral fused thiadiazole-helicenes to control spin polarization in oxygen e ...

Nature Portfolio2022

High voltage and superior cyclability of indium hexacyanoferrate cathodes for aqueous Na-ion batteries enabled by superconcentrated NaClO4 electrolytes

Yunchang Liang

Transition metal hexacyanometallates, so-called Prussian Blue Analogs (PBAs), have received massive attention as aqueous Na-ion battery electrode materials for large-scale energy storage systems not only due to their simple and low-cost synthesis procedure ...

Royal Soc Chemistry2022

Alpha-Nickel Hydroxide Coating of Metallic Nickel for Enhanced Alkaline Hydrogen Evolution

Yunchang Liang

In this work, alkaline hydrogen evolution reaction (HER) processes of three typical nickel-based electrocatalysts [i.e., Ni, alpha-Ni(OH)(2), and beta-Ni(OH)(2)] were investigated to probe critical factors that determine the activity and durability. The HE ...

WILEY-V C H VERLAG GMBH2022

Spin-Control in Electrocatalysis for Clean Energy

Magalí Alejandra Lingenfelder, Martina Lihter, Yunchang Liang

A sustainable future demands a successful transition from a carbon energy-dependent economy towards renewable energy schemes, many of which ultimately rely on the development of efficient electrocatalysis that either converts chemical energy into electrici ...

2022

In Situ Monitoring of the Surface Evolution of a Silver Electrode from Polycrystalline to Well-Defined Structures

Yunchang Liang

Capturing the surface-structural dynamics of metal electrocatalysts under certain electrochemical environments is intriguingly desired for understanding the behavior of various metal-based electrocatalysts. However, in situ monitoring of the evolution of a ...

AMER CHEMICAL SOC2022