Results 51 to 60 of about 433,202 (190)
Technique for manufacturing nickel electrodes [PDF]
A method of manufacturing nickel electrodes distinctive for its use of a composite material for the electrode made up of nickel compound, electrode material, cobalt in metal form or cobalt in compound form is investigated.
Kumano, Y., Yamane, T., Yamazaki, H.
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Cobalt improves nickel hydroxide electrodes for batteries [PDF]
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.
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The role of ionomers is investigated in advancing cobalt‐based oxygen evolution catalysts in pure‐water anion exchange membrane electrolysers. Using in situ electrochemical analysis, ex situ material characterization, and membrane potential sensing, it is observed surface reconstruction at high currents and mitigated it via ionomer coating, achieving ...
Sanghwi Han+6 more
wiley +1 more source
A kirigami‐inspired breathable smart contact lens is reported for wireless monitoring of corneal hypoxia and microenvironment. The ultrathin (55 µm) and flexible sensing device enables digitalized, in situ and precise monitoring of dissolved oxygen, humidity, and temperature (R2 >0.98).
Jiaxue Zhu+11 more
wiley +1 more source
Six-fold in-plane magnetic anisotropy in Co-implanted ZnO (0001)
Magnetic anisotropies of Co-implanted ZnO (0001) films grown on single-crystalline Al2O3 (11-20) substrates have been studied by ferromagnetic resonance (FMR) technique for different cobalt implantation doses.
Akdogan, Numan+7 more
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Nanomaterial‐Enhanced Biosensing: Mechanisms and Emerging Applications
Nanomaterial integration transforms biosensor capabilities through enhanced signal transduction, sensitivity, and selectivity. This review analyzes how nanoscale materials—from nanoparticles to nanosheets—leverage unique physicochemical properties to revolutionize electrochemical, optical, and electrical biosensing.
Younghak Cho+3 more
wiley +1 more source
Designing for Degradation: Transient Devices Enabled by (Nano)Cellulose
Recent progress in transient devices enabled by (nano)cellulosic materials is reviewed. Transiency mechanisms, advantages of nanocelluloses, and a suite of applications are discussed. A circular thinking approach coupled with life cycle assessment is applied to critically revisit the potential, advantages, and challenges of nanocellulose‐enabled ...
Lucas J. Andrew+2 more
wiley +1 more source
This review examines the fluid dynamic behavior within carbonaceous porous structures, linking structural characteristics to electrolyte transport and electrochemical performance. Specifically, it quantitatively assesses the effect of polyphenol derivatives‐harnessed multiscale pore structures on active surface utilization and electrochemical activity ...
Minjun Kim+3 more
wiley +1 more source
Cobalt: A vital element in the aircraft engine industry [PDF]
Recent trends in the United States consumption of cobalt indicate that superalloys for aircraft engine manufacture require increasing amounts of this strategic element. Superalloys consume a lion's share of total U.S.
Stephens, J. R.
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Synthesis, Crystal Structure and Magnetic Properties of the Linear-Chain Cobalt Oxide Sr5Pb3CoO12
The novel spin-chain cobalt oxide Sr5Pb3CoO12 [P-62m, a = 10.1093(2) A and c = 3.562 51(9) A at 295 K] is reported. Polycrystalline sample of the compound was studied by neutron diffraction (at 6 and 295 K) and magnetic susceptibility measurements (5 to ...
Ajiro+18 more
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