Anion-exchange membrane water electrolyzers and fuel cells

Y Yang, P Li, X Zheng, W Sun, SX Dou, T Ma… - Chemical society …, 2022 - pubs.rsc.org
Anion-exchange membrane (AEM) water electrolyzers (AEMWEs) and fuel cells (AEMFCs)
are technologies that, respectively, achieve transformation and utilization of renewable …

In-situ/operando Raman techniques for in-depth understanding on electrocatalysis

M Chen, D Liu, L Qiao, P Zhou, J Feng, KW Ng… - Chemical Engineering …, 2023 - Elsevier
Recently, the electrocatalysis has attracted increasing attention for the sustainable
development of society, which has been applied for energy harvesting/storage and pollution …

[HTML][HTML] Hydrogen bond network connectivity in the electric double layer dominates the kinetic pH effect in hydrogen electrocatalysis on Pt

P Li, Y Jiang, Y Hu, Y Men, Y Liu, W Cai, S Chen - Nature Catalysis, 2022 - nature.com
The origin of the large kinetic pH effect in hydrogen electrocatalysis, that is, the
approximately two orders of magnitude decrease in reaction kinetics when moving from acid …

Tailored electronic structure of Ir in high entropy alloy for highly active and durable bifunctional electrocatalyst for water splitting under an acidic environment

J Kwon, S Sun, S Choi, K Lee, S Jo, K Park… - Advanced …, 2023 - Wiley Online Library
Proton‐exchange‐membrane water electrolysis (PEMWE) requires an efficient and durable
bifunctional electrocatalyst for the hydrogen evolution reaction (HER) and oxygen evolution …

[HTML][HTML] The role of alkali metal cations and platinum-surface hydroxyl in the alkaline hydrogen evolution reaction

AH Shah, Z Zhang, Z Huang, S Wang, G Zhong… - Nature Catalysis, 2022 - nature.com
The platinum-catalysed hydrogen evolution reaction (HER) generally shows poorer kinetics
in alkaline electrolyte and represents a key challenge for alkaline water electrolysis. In the …

[HTML][HTML] Amorphous nickel hydroxide shell tailors local chemical environment on platinum surface for alkaline hydrogen evolution reaction

C Wan, Z Zhang, J Dong, M Xu, H Pu, D Baumann… - Nature Materials, 2023 - nature.com
In analogy to natural enzymes, an elaborated design of catalytic systems with a specifically
tailored local chemical environment could substantially improve reaction kinetics, effectively …

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

W Ni, JL Meibom, NU Hassan, M Chang, YC Chu… - Nature Catalysis, 2023 - nature.com
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 …

Interfacial water engineering boosts neutral water reduction

K Sun, X Wu, Z Zhuang, L Liu, J Fang, L Zeng… - Nature …, 2022 - nature.com
Hydrogen evolution reaction (HER) in neutral media is of great practical importance for
sustainable hydrogen production, but generally suffers from low activities, the cause of …

[HTML][HTML] Understanding hydrogen electrocatalysis by probing the hydrogen-bond network of water at the electrified Pt–solution interface

Q Sun, NJ Oliveira, S Kwon, S Tyukhtenko, JJ Guo… - Nature Energy, 2023 - nature.com
Rational construction of the electrode–solution interface where electrochemical processes
occur is of paramount importance in electrochemistry. Efforts to gain better control and …

Cation-and pH-dependent hydrogen evolution and oxidation reaction kinetics

B Huang, RR Rao, S You, K Hpone Myint, Y Song… - Jacs Au, 2021 - ACS Publications
The production of molecular hydrogen by catalyzing water splitting is central to achieving the
decarbonization of sustainable fuels and chemical transformations. In this work, a series of …