Results 201 to 210 of about 98,472 (317)

Study on the Degradaion Behavior of Acrylonitrile Rubber(NBR) O-ring by Intermittent CSR and Time-Temperature Superposition Principle

open access: gold, 2019
Jin Hyok Lee   +6 more
openalex   +1 more source

Progress in Experimental Methods Using Model Electrodes for the Development of Noble‐Metal‐Based Oxygen Electrocatalysts in Fuel Cells and Water Electrolyzers

open access: yesSmall Methods, EarlyView.
Electrochemical experimental studies using single‐crystal electrodes as model catalysts, with controlled elemental distribution, microstructure, and modification patterns, provide valuable insights into reaction and degradation mechanisms as well as catalyst development strategies.
Kensaku Kodama, Naoto Todoroki
wiley   +1 more source

Nanoarchitectonics for Pentagon Defects in Carbon: Properties and Catalytic Role in Oxygen Reduction Reaction

open access: yesSmall Methods, EarlyView.
“Pentagon” in carbon framework is focused in this review, although hexagon is standard atomic frames in carbon materials. This review elucidates the fundamental principles governing pentagon‐related activity and offers perspectives on future directions for designing efficient oxygen reduction reaction catalysts based on carbon materials ...
Guoping Chen   +3 more
wiley   +1 more source

In Situ 4D STEM of LiNiO2 Particles Heated in an Oxygen Atmosphere: Toward Investigation of Solid‐State Batteries Under Realistic Processing Conditions

open access: yesSmall Methods, EarlyView.
An experimental protocol, including sample preparation and experimental setup, for heating large, thinned cathode active material particles in situ in an oxygen atmosphere is presented. Using 4D scanning transmission electron microscopy nanobeam diffraction and ex situ measurements, the structural evolution of LiNiO2 during heating in oxygen is ...
Thomas Demuth   +7 more
wiley   +1 more source

Two-photon optical Ramsey-Doppler spectroscopy of positronium and muonium. [PDF]

open access: yesEur Phys J D At Mol Opt Phys
Javary E   +5 more
europepmc   +1 more source

Sustainable Nonwoven Triboelectric Nanogenerator Including Pseudo‐Thickness Enabled Consistent Power Generation in Ultralow Contact Frequency

open access: yesSmall Structures, EarlyView.
Compressible nonwoven‐fabric‐based triboelectric nanogenerator significantly impacts the capacitance between electrodes, with the resulting variation in potential difference playing a crucial role in enhancing the output performance of the nanogenerator.
Joo Hyung Lee   +8 more
wiley   +1 more source

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