Results 111 to 120 of about 36,695 (252)

Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells

Advanced Materials Interfaces, EarlyView.
Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss, Shiyi Wang, Brian P. Setzler, Yushan Yan, Adam Z. Weber   +4 more
wiley   +1 more source

Molybdenum Disulfide Bilayers Hybridized With Reduced Graphene Oxide Nanosheets for Enhanced Hydrogen Evolution Reaction

Advanced Materials Interfaces, EarlyView.
The integration of reduced graphene oxide nanosheet‐hybridized molybdenum disulfide bilayers to enhance hydrogen evolution reaction capabilities unveils thrilling opportunities for strain engineering, defect manipulation, and sophisticated twist‐angle assemblies with 2D heterostructures.
Bruno Ferreira Brischi, Gabriela Frajtag, João Pedro da Silva Mariano, Laís Fernanda Medeiros Ruela, Gustavo Duarte Verçosa, Camila Desiderio Fernandes, Murilo Santhiago, Letícia Mariê Minatogau Ferro, Leandro Merces   +8 more
wiley   +1 more source

Tin Oxide‐Anchored MXene Composites for Enhanced Hydrogen Evolution in Alkaline Media

Advanced Materials Interfaces
Efficient hydrogen generation via water splitting has long been limited by substantial energy losses; however, advances in the engineering of high‐performance electrocatalysts have helped to overcome this challenge.
Pratik Shinde, Kassa Belay Ibrahim, Tofik Ahmed Shifa, Alessandro Gradone, Pankaj Kumar, Giriyapura Prabhukumara Darshan, Paolo Moras, Elisa Moretti, Alberto Vomiero   +8 more
doaj   +1 more source

Influence of inevitable hydrogen evolution reaction on morphology of electrodeposited zinc

Journal of Electrochemical Science and Engineering
Influence of parallel hydrogen evolution reaction (HER) on morphology of zinc electro­deposits has been investigated. Zn was electrodeposited potentiostatically from the alkaline electrolyte at overpotentials both inside and outside the plateau of the ...
Nebojša D. Nikolić, Jelena Lović, Nikola Vuković, Predrag Živković   +3 more
doaj   +1 more source

3D Nanorod‐Shaped Binder‐Free Ni1−xFexCo2O4 Anodes Demonstrate High Performance and Stable Operation Under Accelerated Stress Tests in Anion Exchange Membrane Water Electrolysis

Advanced Materials Interfaces, EarlyView.
3D shaping of Ni1‐xFexCo2O4 spinel electrocatalyst to form high aspect ratio nanorods, made of 25 nm grain size particles and directly grown on Nickel felt, is proposed to improve the performance of industrial catalysts based on group‐VIII transition‐metal oxides.
Ataollah Niyati, Ombretta Paladino
wiley   +1 more source

Particle‐Size‐Dependent Lithium‐Ion Transport in PEO/LLZO Composite Electrolytes

Small Structures
Lithium‐metal batteries with solid electrolytes can deliver higher energy density and improved safety than conventional Li‐ion batteries. Among solid electrolyte candidates, polymer/ceramic composite electrolytes are attractive because they combine ...
Jeong Seop Yoon, Meghan Burns, Luca Guido Weckelmann, Michael Counihan, Pallab Barai, Chih‐Long Tsai, Rüdiger‐A. Eichel, Sanja Tepavcevic, Venkat Srinivasan   +8 more
doaj   +1 more source

Effect of rhodium doping for photocatalytic activity of barium titanate

Optical Materials: X
By means of DFT oxygen evolution reaction on Rh-doped BaTiO3 (001) surface has been modeled. Gibbs free energies for each step of the reaction as well as the values of overpotential have been calculated, taking into account the solvation effect.
G.A. Kaptagay, B.M. Satanova, A.U. Abuova, M. Konuhova, Zh.Ye. Zakiyeva, U. Zh Tolegen, N.O. Koilyk, F.U. Abuova   +7 more
doaj   +1 more source

Engineering Ultra‐Low Fe or Ni Loading in Polymer Derived SiCN(O) Fibre Mats: Exploring the Performance towards Alkaline OER

Advanced Materials Interfaces, EarlyView.
Polymer‐derived SiCN(O) fibre mats enable anchoring of ultra‐low amounts of transition metals for efficient alkaline oxygen evolution. The distinct behaviour of Fe‐ and Ni‐based fibres highlights the importance of metal phase and support interactions in tailoring catalytic behaviour.
Eranezhuth Wasan Awin, Marwan Ben Miled, Aurélien Habrioux, Samuel Bernard, Stefan Schafföner, Günter Motz   +5 more
wiley   +1 more source

Rare‐Metal‐Free Redox‐Mediated Zn–Air Rechargeable Battery (ReZARB): A Redox‐Mediated Approach for Reducing Charging Overpotentials

ChemElectroChem
In this paper, a rare‐metal‐free three‐electrode‐type Zn–air/Zn–hydroquinone (HQ) electrochemical cell employing a rare‐metal‐free oxygen reduction reaction catalyst on a discharge electrode and HQ as a redox mediator in the electrolyte in a charging ...
Kosuke Ishibashi, Yutaro Hirai, Hiroshi Yabu   +2 more
doaj   +1 more source

Development of a fast-charging strategy considering degradation in lithium-ion batteries

Case Studies in Thermal Engineering
This study develops an advanced single-particle model to analyze the effects of C-rate and temperature on lithium-ion battery degradation during fast charging. By incorporating lithium plating overpotential, a predictive map of lithium plating generation
Dongmin Lee, Youngkyo Kim, Yonggyun Lee, Dongrak Kim, Jaewoong Ko, Sangwon Kim, Dong Kyu Kim   +6 more
doaj   +1 more source