Results 61 to 70 of about 734,317 (337)

Direct insights into the role of epoxy groups on cobalt sites for acidic H2O2 production

Nature Communications, 2020
Hydrogen peroxide produced by electrochemical oxygen reduction reaction provides a potentially cost effective and energy efficient alternative to the industrial anthraquinone process. In this study, we demonstrate that by modulating the oxygen functional
Qingran Zhang, X. Tan, N. Bedford, Z. Han, L. Thomsen, Sean C. Smith, R. Amal, Xunyu Lu   +7 more
semanticscholar   +1 more source

Emergent Spin‐Glass Behavior in an Iron(II)‐Based Metal–Organic Framework Glass

Advanced Functional Materials, EarlyView.
A one‐pot, solvent‐free synthesis yields an Fe2+‐based metal‐organic framework (MOF) glass featuring a continuous random network structure. The material exhibits spin‐glass freezing at 14 K, driven by topological‐disorder and short‐range magnetic frustration, showcasing the potential of MOF glasses as a plattform for cooperative magnetic phenomena in ...
Chinmoy Das, Soma Salamon, Joachim Landers, Jan‐Benedikt Weiß, Wen‐Long Xue, Pascal Kolodzeiski, Roman Pallach, Heiko Wende, Sebastian Henke   +8 more
wiley   +1 more source

Pore Size Effects of Mesoporous N‐Doped Carbon Nanospheres as Advanced Support Material on the Activity of Molybdenum Sulfide Catalysts for the Hydrogen Evolution Reaction

Advanced Functional Materials, EarlyView.
By tuning the pore size of mesoporous N‐doped carbon (MPNC) nanospheres as support material for molybdenum sulfide, the electrochemical activity of the composite material for the hydrogen evolution reaction can be optimized. An ideal MPNC pore size of 60 nm allows a high number of molybdenum sulfide active sites while maintaining efficient proton and ...
Niklas Ortlieb, Christian Völker, Lars Guggolz, Anna Fischer   +3 more
wiley   +1 more source

Highly selective and active CO2 reduction electrocatalysts based on cobalt phthalocyanine/carbon nanotube hybrid structures

Nature Communications, 2017
Electrochemical reduction of carbon dioxide with renewable energy is a sustainable way of producing carbon-neutral fuels. However, developing active, selective and stable electrocatalysts is challenging and entails material structure design and tailoring
Xing Zhang, Zishan Wu, Xiao Zhang, Liewu Li, Yanyan Li, Haomin Xu, Xiaoxiao Li, Xiaolu Yu, Zisheng Zhang, Yongye Liang, Hailiang Wang   +10 more
semanticscholar   +1 more source

Extensive Review of Materials for Next‐Generation Transparent Batteries and Their Design Strategies

Advanced Functional Materials, EarlyView.
Review explores emerging materials and design strategies for transparent batteries, examining electrodes, electrolytes, separators, and device architectures optimized for high electrochemical performance, mechanical flexibility, and optical transparency.
Atul Kumar Mishra, Shuvaraj Ghosh, Malkeshkumar Patel, Sourov Hossain, Ju‐Hyung Yun, Joondong Kim   +5 more
wiley   +1 more source

Role of charge carriers for ferromagnetism in cobalt-doped rutile TiO2 [PDF]

, 2008
Electric and magnetic properties of a high temperature ferromagnetic oxide semiconductor, cobalt-doped rutile TiO2, are summarized. The cobalt-doped rutile TiO2 epitaxial thin films with different electron densities and cobalt contents were grown on r ...
Ando K, Chambers S A, Fukumura T, H Toyosaki, Janisch R, K Ueno, M Kawasaki, M Nakano, Prellier W, T Fukumura   +9 more
core   +1 more source

Design of Underground Belt Transportation Control System of Metal Mine and Its Applicatio

Gong-kuang zidonghua, 2011
In view of problem of bad reliability that original belt transportation system of one metal mine is controlled by relay, the paper proposed a reform scheme of belt transportation control system based on ControlLogix technology.
ZHANG Tian-hong, JI Chun-shan, ZHU Wen-ju   +2 more
doaj  

Toward Scalable Solutions for Silver‐Based Gas Diffusion Electrode Fabrication for the Electrochemical Conversion of CO2 – A Perspective

Advanced Functional Materials, EarlyView.
In this study, the preparation techniques for silver‐based gas diffusion electrodes used for the electrochemical reduction of carbon dioxide (eCO2R) are systematically reviewed and compared with respect to their scalability. In addition, physics‐based and data‐driven modeling approaches are discussed, and a perspective is given on how modeling can aid ...
Simon Emken, K. Ashoke Raman, Alexander Bauer, Violeta Karyofylli, Eva Jodat, André Karl, Rüdiger‐A. Eichel   +6 more
wiley   +1 more source

Cobalt improves nickel hydroxide electrodes for batteries [PDF]

, 1969
Positive nickel hydroxide electrodes containing 20 mole percent of cobalt hydroxide are more efficient than when impregnated to the same degree by weight with nickel hydroxide alone. Charge-acceptance and oxygen-evolution tests indicate cobalt electrodes
Lerner, S. R., Seiger, H. N.
core   +1 more source

Nanosized superparamagnetic precipitates in cobalt-doped ZnO

, 2008
The existence of semiconductors exhibiting long-range ferromagnetic ordering at room temperature still is controversial. One particularly important issue is the presence of secondary magnetic phases such as clusters, segregations, etc...
B.D. Cullity, B.L. Henke, B.T. Thole, C.T. Chen, D. Schmeisser, F. Hofer, F.M.F. Groot De, H. Munekata, H. Ohno, I. Žutić, J. C. Cezar, J. Simon, J.L. Dormann, J.M.D. Coey, K. -W. Nielsen, K. Nielsen, K. Rode, K.R. Kittilstved, L. Néel, M. Opel, M. Venkatesan, P. Carra, R. Gross, R.C. O’Handley, S. Bauer, S. Gallego, S. Kolesnik, S. Kuroda, S. T. B. Goennenwein, S. Zhou, S.A. Chambers, S.A. Wolf, S.C. Wi, S.J. Naftel, T. Dietl, W. Mader, W.K. Liu, X.Z. Li   +37 more
core   +2 more sources