Platinum degradation mechanisms in proton exchange membrane fuel cell (PEMFC) system: A review

PC Okonkwo, OO Ige, PC Uzoma, W Emori… - International journal of …, 2021 - Elsevier
Abstract Proton Exchange Membrane Fuel Cells (PEMFCs) have the perspective to
intensely decrease global emission through environmentally-friendly potential. This review …

Electron microscopy studies of soft nanomaterials

Z Lyu, L Yao, W Chen, FC Kalutantirige… - Chemical …, 2023 - ACS Publications
This review highlights recent efforts on applying electron microscopy (EM) to soft (including
biological) nanomaterials. We will show how developments of both the hardware and …

The significance of properly reporting turnover frequency in electrocatalysis research

S Anantharaj, PE Karthik, S Noda - … Chemie International Edition, 2021 - Wiley Online Library
For decades, turnover frequency (TOF) has served as an accurate descriptor of the intrinsic
activity of a catalyst, including those in electrocatalytic reactions involving both fuel …

Operando characterization techniques for electrocatalysis

J Li, J Gong - Energy & Environmental Science, 2020 - pubs.rsc.org
The energy crisis and climate change are growing threats to human society. Fuel cells and
electrolyzers using solar and wind as energy sources provide a promising carbon-free and …

Importance and Challenges of Electrochemical in Situ Liquid Cell Electron Microscopy for Energy Conversion Research

N Hodnik, G Dehm, KJJ Mayrhofer - Accounts of chemical …, 2016 - ACS Publications
Conspectus The foreseeable worldwide energy and environmental challenges demand
renewable alternative sources, energy conversion, and storage technologies. Therefore …

Pt-Richcore/Sn-Richsubsurface/Ptskin Nanocubes As Highly Active and Stable Electrocatalysts for the Ethanol Oxidation Reaction

R Rizo, RM Arán-Ais, E Padgett, DA Muller… - Journal of the …, 2018 - ACS Publications
Direct ethanol fuel cells are one of the most promising electrochemical energy conversion
devices for portable, mobile and stationary power applications. However, more efficient and …

Operando insights into nanoparticle transformations during catalysis

A Bergmann, B Roldan Cuenya - Acs Catalysis, 2019 - ACS Publications
Nanostructured materials play an important role in today's chemical industry, acting as
catalysts in heterogeneous thermal and electrocatalytic processes for chemical energy …

Highly crystalline PtCu nanotubes with three dimensional molecular accessible and restructured surface for efficient catalysis

HH Li, QQ Fu, L Xu, SY Ma, YR Zheng… - Energy & …, 2017 - pubs.rsc.org
Direct methanol fuel cells (DMFCs) as candidates for dominant energy conversion devices
based on the higher energy densities of liquid methanol show unique advantages over …

In situ transmission electron microscopy on energy‐related catalysis

S Hwang, X Chen, G Zhou, D Su - Advanced Energy Materials, 2020 - Wiley Online Library
Energy‐related catalytic reactions have been extensively investigated in past years in order
to efficiently utilize clean and environmentally benign energy sources. In these systems, the …

Probing size and substrate effects on the hydrogen evolution reaction by single isolated Pt atoms, atomic clusters, and nanoparticles

M Zhou, S Bao, AJ Bard - Journal of the American Chemical …, 2019 - ACS Publications
We report the catalytic activity of a single, isolated Pt deposit on Bi and Pb supports to probe
the size and substrate effects on the electrochemical hydrogen evolution reaction (HER) …