In situ X-ray spectroscopies beyond conventional X-ray absorption spectroscopy on deciphering dynamic configuration of electrocatalysts

J Wang, CS Hsu, TS Wu, TS Chan, NT Suen… - Nature …, 2023 - nature.com
Realizing viable electrocatalytic processes for energy conversion/storage strongly relies on
an atomic-level understanding of dynamic configurations on catalyst-electrolyte interface. X …

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 …

Differences in the electrochemical performance of Pt-based catalysts used for polymer electrolyte membrane fuel cells in liquid half-and full-cells

CY Ahn, JE Park, S Kim, OH Kim, W Hwang… - Chemical …, 2021 - ACS Publications
A substantial amount of research effort has been directed toward the development of Pt-
based catalysts with higher performance and durability than conventional polycrystalline Pt …

Operando Methods in Electrocatalysis

Y Yang, Y Xiong, R Zeng, X Lu, M Krumov… - ACS …, 2021 - ACS Publications
Electrocatalysis has been the cornerstone for enhancing energy efficiency, minimizing
environmental impacts and carbon emissions, and enabling a more sustainable way of …

Understanding the electrocatalysis of oxygen reduction on platinum and its alloys

IEL Stephens, AS Bondarenko, U Grønbjerg… - Energy & …, 2012 - pubs.rsc.org
The high cost of low temperature fuel cells is to a large part dictated by the high loading of Pt
required to catalyse the oxygen reduction reaction (ORR). Arguably the most viable route to …

In-situ and wavelength-dependent photocatalytic strain evolution of a single Au nanoparticle on a TiO2 film

SH Park, S Kim, JW Park, S Kim, W Cha… - Nature …, 2024 - nature.com
Photocatalysis is a promising technique due to its capacity to efficiently harvest solar energy
and its potential to address the global energy crisis. However, the structure–activity …

Surface Al leached Ti 3 AlC 2 as a substitute for carbon for use as a catalyst support in a harsh corrosive electrochemical system

X Xie, Y Xue, L Li, S Chen, Y Nie, W Ding, Z Wei - Nanoscale, 2014 - pubs.rsc.org
Surface Al leached Ti3AlC2 particles (e-TAC) with high corrosion resistance and excellent
electrical conductivity were developed as an advanced support material for Pt catalysts …

Progress and perspective for in situ studies of oxygen reduction reaction in proton exchange membrane fuel cells

W Zhao, G Xu, W Dong, Y Zhang, Z Zhao… - Advanced …, 2023 - Wiley Online Library
Proton exchange membrane fuel cell (PEMFC) is one of the most promising energy
conversion devices with high efficiency and zero emission. However, oxygen reduction …

Finding the most catalytically active platinum clusters with low atomicity

T Imaoka, H Kitazawa, WJ Chun… - Angewandte Chemie …, 2015 - Wiley Online Library
On a subnanometer scale, an only one‐atom difference in a metal cluster may cause
significant transitions in the catalytic activity due to the electronic and geometric …

Synchrotron-based in situ characterization of carbon-supported platinum and platinum monolayer electrocatalysts

K Sasaki, N Marinkovic, HS Isaacs, RR Adzic - ACS Catalysis, 2016 - ACS Publications
A detailed understanding of oxidation/dissolution mechanisms of Pt is critical in designing
durable catalysts for the oxygen reduction reaction (ORR), but exact mechanisms remain …