In Situ/Operando Electrocatalyst Characterization by X-ray Absorption Spectroscopy

J Timoshenko, B Roldan Cuenya - Chemical reviews, 2020 - ACS Publications
During the last decades, X-ray absorption spectroscopy (XAS) has become an
indispensable method for probing the structure and composition of heterogeneous catalysts …

Heterogeneous MNC Catalysts for Aerobic Oxidation Reactions: Lessons from Oxygen Reduction Electrocatalysts: Focus Review

JS Bates, MR Johnson, F Khamespanah… - Chemical …, 2022 - ACS Publications
Nonprecious metal heterogeneous catalysts composed of first-row transition metals
incorporated into nitrogen-doped carbon matrices (MN-Cs) have been studied for decades …

Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction

FT Haase, A Bergmann, TE Jones, J Timoshenko… - Nature Energy, 2022 - nature.com
Water electrolysis is a key technology to establish CO2-neutral hydrogen production.
Nonetheless, the near-surface structure of electrocatalysts during the anodic oxygen …

Pinpointing the axial ligand effect on platinum single-atom-catalyst towards efficient alkaline hydrogen evolution reaction

T Zhang, J **, J Chen, Y Fang, X Han, J Chen… - Nature …, 2022 - nature.com
Develo** active single-atom-catalyst (SAC) for alkaline hydrogen evolution reaction
(HER) is a promising solution to lower the green hydrogen cost. However, the correlations …

Asymmetric dinitrogen-coordinated nickel single-atomic sites for efficient CO2 electroreduction

Y Zhou, Q Zhou, H Liu, W Xu, Z Wang, S Qiao… - Nature …, 2023 - nature.com
Develo** highly efficient, selective and low-overpotential electrocatalysts for carbon
dioxide (CO2) reduction is crucial. This study reports an efficient Ni single-atom catalyst …

Highly efficient anion exchange membrane water electrolyzers via chromium-doped amorphous electrocatalysts

S Li, T Liu, W Zhang, M Wang, H Zhang, C Qin… - Nature …, 2024 - nature.com
In-depth comprehension and modulation of the electronic structure of the active metal sites
is crucial to enhance their intrinsic activity of electrocatalytic oxygen evolution reaction …

Highly active and stable OER electrocatalysts derived from Sr2MIrO6 for proton exchange membrane water electrolyzers

M Retuerto, L Pascual, J Torrero, MA Salam… - Nature …, 2022 - nature.com
Proton exchange membrane water electrolysis is a promising technology to produce green
hydrogen from renewables, as it can efficiently achieve high current densities. Lowering …

Steering the structure and selectivity of CO2 electroreduction catalysts by potential pulses

J Timoshenko, A Bergmann, C Rettenmaier, A Herzog… - Nature …, 2022 - nature.com
Convoluted selectivity trends and a missing link between reaction product distribution and
catalyst properties hinder practical applications of the electrochemical CO2 reduction …

Surface-exposed silver nanoclusters inside molecular metal oxide cavities

K Yonesato, D Yanai, S Yamazoe, D Yokogawa… - Nature Chemistry, 2023 - nature.com
The surfaces of metal nanoclusters, including their interface with metal oxides, exhibit a high
reactivity that is attractive for practical purposes. This high reactivity, however, has also …

Chemical vapour deposition of Fe–N–C oxygen reduction catalysts with full utilization of dense Fe–N4 sites

L Jiao, J Li, LLR Richard, Q Sun, T Stracensky, E Liu… - Nature materials, 2021 - nature.com
Replacing scarce and expensive platinum (Pt) with metal–nitrogen–carbon (M–N–C)
catalysts for the oxygen reduction reaction in proton exchange membrane fuel cells has …