Advancements in cathode catalyst and cathode layer design for proton exchange membrane fuel cells

Y Sun, S Polani, F Luo, S Ott, P Strasser… - Nature …, 2021 - nature.com
Proton exchange membrane fuel cells have been recently developed at an increasing pace
as clean energy conversion devices for stationary and transport sector applications. High …

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 …

Construction of N, P Co‐Doped Carbon Frames Anchored with Fe Single Atoms and Fe2P Nanoparticles as a Robust Coupling Catalyst for Electrocatalytic Oxygen …

Y Pan, X Ma, M Wang, X Yang, S Liu… - Advanced …, 2022 - Wiley Online Library
A coupling catalyst of highly dispersed N, P co‐doped carbon frames (NPCFs) anchored
with Fe single atoms (SAs) and Fe2P nanoparticles (NPs) is synthesized by a novel in situ …

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 …

Carbon-based electrocatalysts for sustainable energy applications

J Wang, H Kong, J Zhang, Y Hao, Z Shao… - Progress in Materials …, 2021 - Elsevier
Carbon-based materials have multiple advantages including abundant sources, tunable
molecular structures, high electronic conductivity, and environmental compatibility. Rapidly …

Molten NaCl‐Assisted Synthesis of Porous Fe‐N‐C Electrocatalysts with a High Density of Catalytically Accessible FeN4 Active Sites and Outstanding Oxygen …

Q Wang, Y Yang, F Sun, G Chen… - Advanced Energy …, 2021 - Wiley Online Library
Iron single atom catalysts (FeN4) hosted in the micropores of N‐doped carbons offer
excellent performance for the oxygen reduction reaction (ORR). Achieving a high density of …

Fe–N–C electrocatalyst with dense active sites and efficient mass transport for high-performance proton exchange membrane fuel cells

X Wan, X Liu, Y Li, R Yu, L Zheng, W Yan, H Wang… - Nature Catalysis, 2019 - nature.com
To achieve the US Department of Energy 2018 target set for platinum-group metal-free
catalysts (PGM-free catalysts) in proton exchange membrane fuel cells, the low density of …

A review of rechargeable batteries for portable electronic devices

Y Liang, CZ Zhao, H Yuan, Y Chen, W Zhang… - InfoMat, 2019 - Wiley Online Library
Portable electronic devices (PEDs) are promising information‐exchange platforms for real‐
time responses. Their performance is becoming more and more sensitive to energy …

Oxygen reduction reaction electrocatalysis in neutral media for bioelectrochemical systems

C Santoro, P Bollella, B Erable, P Atanassov, D Pant - Nature Catalysis, 2022 - nature.com
The oxygen reduction reaction (ORR) is an electrochemical process of the utmost
importance in energy conversion and storage, corrosion and chemical technologies. The …

Operando deconvolution of the degradation mechanisms of iron–nitrogen–carbon catalysts in proton exchange membrane fuel cells

S Liu, Q Meyer, C Jia, S Wang, C Rong… - Energy & …, 2023 - pubs.rsc.org
Develo** platinum-free catalysts for proton exchange membrane fuel cells (PEMFCs) is
crucial to the hydrogen economy. While iron–nitrogen–carbon (Fe–N–C) catalysts are …