Results 221 to 230 of about 86,392 (294)

Comprehensive Analysis of the Degradation Phenomena of Proton Exchange Membrane Water Electrolyzers with Iridium on Antimony Tin Oxide Anodes

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study examines the structural and chemical evolution of low‐loaded Ir/ATO anodes during PEM water electrolysis under realistic conditions. Iridium dissolution is largely suppressed. In the early stages, both ionomer and support degradation are detected. Morphological reorganization occurs at the interface between the anode catalyst layer (ACL) and
Sambal Shashank Ambu, Nikolai Utsch, Tobias Morawietz, Maria Retuerto, Sergio Rojas, Oleg Usoltsev, Miriam Goll, Daniel García Sanchez, Andreas Glüsen, Aldo Saul Gago, Seyed Schwan Hosseiny, Kaspar Andreas Friedrich   +11 more
wiley   +1 more source

Time-resolved X-ray spectroscopy of phenanthridine: elucidating the photodynamics of a nitrogen-containing polycyclic aromatic hydrocarbon. [PDF]

Chem Sci
Schaffner D, Diemer K, Miao X, Karaev E, Flock M, Theil K, Schouder C, Scognamiglio A, Barreau L, Poisson L, Mayer D, Al Haddad A, Sarracini A, Knopp G, Xie X, Hemberger P, Schnorr K, Mitric R, Fischer I.   +18 more
europepmc   +1 more source

CeO2/Co3O4 p‐n Heterojunction as a Photo‐Responsive Bifunctional Electrocatalyst for Efficient Zinc‐Air Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A photo‐responsive bifunctional electrocatalyst with CeO2/Co3O4 p‐n heterojunction has been designed and exhibited excellent photo‐enhanced ORR/OER performance and Zn‐air batteries performance. The introduction of semiconductor materials as bifunctional oxygen reduction/evolution reaction (ORR/OER) electrodes has been proved as an efficient way to ...
Yuling Liu, Taotao Zeng, Chenyu Zhang, Zhanglong He, Mingqing Zuo, Hao He, Zeyan Zhou, Lei Han   +7 more
wiley   +1 more source

Direct measurement of covalent three-center, two-electron M-H-B bonding in Zr and Hf borohydrides using B K-edge XAS. [PDF]

Chem Sci
Hansen HM, Zgrabik JC, Zacher PA, Schuely JJ, Amano EM, Yang MY, Unruh DK, Zuin L, Keith JM, Daly SR.   +9 more
europepmc   +1 more source

Structural Design of MOF‐Based and MOF‐Derived Composites for Oxygen Evolution Electrocatalysis: Materials Innovation for Energy and Environmental Sustainability

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review provides an overview of recent developments in metal organic framework (MOF)‐based and MOF‐derived composites for efficient oxygen evolution reaction. This review also emphasizes the structural design of electrocatalyst, active site optimization, and emerging prospects of their use in practical electrolyzer systems.
Bhagyashri B. Kamble, Aditi De, Seung Joo Jang, Arun Karmkar, Venkatachalam Vinothkumar, Niyaz Mujawar, Subrata Kundu, Tae Hyun Kim   +7 more
wiley   +1 more source

Mapping the Hierarchical Environmental Transformations of Nanoscale UiO-66 Metal-organic Framework. [PDF]

Environ Sci Technol
Chakraborty S, Mikulska I, Dhumal P, Langford N, Nehzati S, Boseley R, Pham S, Pfrang C, Kaur M, Valsami-Jones E, Ignatyev K, Menon D, Misra SK, Lynch I.   +13 more
europepmc   +1 more source

Ouma Geelmeid ke kx’u //xa//xa N/uu

, 2016
Shah, Sheena, Brenzinger, Matthias
openaire  

Redistributing Cobalt and Tungsten From WC–Co Soft Scrap Toward Sustainable Cathode and Coating Materials for Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A sustainable upcycling strategy transforms tungsten carbide–cobalt (WC–Co) soft scrap into high‐performance cathode materials. Recycled Co with trace nickel (Ni) is resynthesized into stabilized LiCoO2 with superior high‐voltage durability, while the recovered tungsten is further utilized as tungsten trioxide to enhance Ni‐rich cathode interfaces ...
Seulgi Kim, Kyoung Sun Kim, Young‐Sang Yu, Ingyu Choi, Seungo Jeong, Eun‐Jung Shin, Seung‐Hyun Kim, Sung‐Hak Jo, Seung‐Ho Yu, Hyungsub Kim, Dongju Lee   +10 more
wiley   +1 more source

Relevant Metal Oxidation States of MAO-Activated Chromium Catalysts for Ethylene Oligomerization. [PDF]

Inorg Chem
Allgaier A, Fischer FR, Bhattacharya S, Balliet K, Buchmeiser MR, Bauer M, van Slageren J.   +6 more
europepmc   +1 more source

Interface-induced collective phase transition in VO₂-based bilayers studied by layer selective spectroscopy. [PDF]

Sci Rep
Shiga D, Inoue S, Kanda T, Hasegawa N, Kitamura M, Horiba K, Yoshimatsu K, Santander-Syro AF, Kumigashira H.   +8 more
europepmc   +1 more source