Results 91 to 100 of about 582,787 (238)

Effect of temperature on the synthesis of nanoporous carbon from copper/carbon thin films to nanoporous carbon for sensing applications

, 2017
International audienceOver the last few years, a broad panel of carbon materials was proposed for sensing applications. Among these materials, nanoporous carbon (np-C) is of particular interest due to its high specific surface area and low fabrication ...
Bouts, Nicolas, Gautron, Eric, Le Bihan, France, El Mel, Abdel-Aziz, Le Borgne, Brice, Donero, Laëtitia, Tessier, Pierre-Yves, Le Brizoual, Laurent   +7 more
core   +1 more source

Comparative Analysis of the Corrosion Behavior of Plain and Nanoporous Copper

Electrochem
This research investigates the corrosion behavior of copper (Cu) through a comprehensive analysis of both plain and nanoporous Cu thin films. A combination of weight-loss methods for quantitative analysis, along with polarization testing and scanning ...
Zhen Lei, Ksenya Mull, Nikolay Dimitrov
doaj   +1 more source

From Materials to Systems: Challenges and Solutions for Fast‐Charge/Discharge Na‐Ion Batteries

Advanced Energy Materials, EarlyView.
This review systematically analyzes the key characteristics limiting the fast‐charge/discharge capability of Na‐ion batteries (SIBs) from a multi‐scale perspective encompassing electrode materials, the electrode‐electrolyte interface, and the system. Furthermore, it presents practical solution strategies for the fundamental issues arising at each scale,
Bonyoung Ku, Sangbin Park, Sunha Hwang, Sunghyun Lim, Won‐Sub Yoon, Jongsoon Kim   +5 more
wiley   +1 more source

Characterization of Nanoporous Copper Using Scanning Probe Techniques

, 2023
This study explores the mechanical and optical properties of nanoporous copper (NPC) films dealloyed in acid and base using qualitative and quantitative measurements. Two types of NPC films (NPC 1 and NPC 2) were prepared by dealloying precursor films in
Denis E. Tranca, Stefan R. Anton, George A. Stanciu, Radu Hristu, Stefan G. Stanciu, Eugeniu Vasile, Zhaoyi Hu, Engang Fu, Cosmin K. Banica   +8 more
core   +1 more source

Degradation Pathways of Silicon‐Based Anodes in Lithium‐Ion Batteries

Advanced Energy Materials, EarlyView.
Silicon‐based anodes undergo degradation through five primary pathways: (1) mechanical and structural deterioration of the active material, (2) loss of electrode integrity and electrical contact, (3) mechanical instability of the solid electrolyte interphase (SEI), characterized by repetitive fracture and deformation, (4) chemical instability of the ...
Yoon Jeong Choi, Ji‐Youn Bae, Ga‐On Park, Seung‐Ho Yu   +3 more
wiley   +1 more source

Fractal micro- and nanodendrites of silver, copper and their compounds for photocatalytic water splitting

Научно-технический вестник информационных технологий, механики и оптики
The results of investigation of morphology and photocatalytic properties of thin films in a form of dendrites of silver and copper, and their compounds synthesized by the reaction of substitution, are presented.
A. I. Sidorov, P. A. Bezrukov, A. V. Nashchekin, N. V. Nikonorov   +3 more
doaj   +1 more source

Machine Learning Interatomic Potentials for Energy Materials: Architectures, Training Strategies, and Applications

Advanced Energy Materials, EarlyView.
Machine learning interatomic potentials bridge quantum accuracy and computational efficiency for materials discovery. Architectures from Gaussian process regression to equivariant graph neural networks, training strategies including active learning and foundation models, and applications in solid‐state electrolytes, batteries, electrocatalysts ...
In Kee Park, Saeed Pourasad, Jinhong Mun, Arunkumar Chitteth Rajan, Tae Hyeon Park, Anand Rohit, Mohammad Zafari, Tan‐Lien Pham, Eunjae Jung, Bonseung Koo, Miran Ha, Gi Beom Sim, Hyun Gyu Park, Won Woong Choi, Kwanghyeon Jo, Soohaeng Yoo Willow, David ChangMo Yang, Chang Woo Myung, Geunsik Lee, Kwang S. Kim   +19 more
wiley   +1 more source

Nanoporous Copper for the Electrosynthesis of Cyclic Carbonates from CO2 and Epoxides

ChemElectroChem
Cyclic carbonates are often produced through catalytic coupling reactions of CO2 with epoxides under harsh conditions. Here, we present a highly active nanoporous copper (np‐Cu) cathode material for the electrosynthesis of cyclic carbonates in mild ...
Sawsan Ibrahim, Daniel Crespo, Sonja Blaseio, Andre Hockmann, Gerhard Hilt, Mehtap Oezaslan   +5 more
doaj   +1 more source

The thermodynamic chemistry of the aqueous copper-ammonia thiosulfate system [PDF]

, 2006
A fundamental thermodynamic study was undertaken in order to establish the speciation of copper(I) and copper(II) during the leaching and recovery of gold from thiosulfate-copper-ammonia solutions. Despite considerable research into this complex leaching
Black, Silvia Beatriz
core  

Impregnated nanoporous copper as catalysts for the electrocatalytic hydrogenation of furfural

Materials Today Sustainability
Electrochemical hydrogenation and hydrogenolysis (ECH) offer a sustainable approach for converting biomass-derived furfural (FF) into valuable products such as furfuryl alcohol (FOL) and 2-methylfuran (MF).
Wei-Ting Lin, Yu-Shuo Lee, Wen-Yueh Yu, I-Chung Cheng   +3 more
doaj   +1 more source