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Support effect on electrocatalytic performance of methanol oxidation over platinum catalysts [PDF]

open access: yesE3S Web of Conferences, 2021
Graphene oxide and carbon nanotubes supported Pt nanoparticles were successfully synthesized by wet chemical reduction method. The structures and methanol oxidation performance of the two catalysts were characterized by scanning electron microscope (SEM),
Gu Ke   +7 more
doaj   +1 more source

Synergistically Improving Mechanical and Interfacial Properties of Epoxy Resin and CFRP Composites by Introducing Graphene Oxide

open access: yesAdvances in Polymer Technology, 2022
In this study, graphene oxide (GO) was employed as nanoscale reinforcement for the development of high-performance carbon fiber reinforced plastic (CFRP) composites. Initially, epoxy resin was modified by incorporating GO with different weight proportion
Lijuan Cao   +6 more
doaj   +1 more source

Structure and Properties of Carboxylated Carbon Nanotubes@Expanded Graphite/Polyethersulfone Composite Bipolar Plates for PEM

open access: yesNanomaterials, 2023
Composite bipolar plates (BPs) hinder their application in proton exchange membrane fuel cells (PEMFC) because of their poor conductivity and mechanical properties.
Wenkai Li   +5 more
doaj   +1 more source

Improved Performance of Composite Bipolar Plates for PEMFC Modified by Homogeneously Dispersed Multi-Walled Carbon Nanotube Networks Prepared by In Situ Chemical Deposition

open access: yesNanomaterials, 2023
Composite bipolar plates with excellent performance play a crucial role in improving the overall performance of proton-exchange-membrane fuel cells.
Wenkai Li   +5 more
doaj   +1 more source

Structure Investigations of Islands with Atomic-Scale Boron–Carbon Bilayers in Heavily Boron-Doped Diamond Single Crystal: Origin of Stepwise Tensile Stress

open access: yesNanoscale Research Letters, 2021
The detailed studies of the surface structure of synthetic boron-doped diamond single crystals using both conventional X-ray and synchrotron nano- and microbeam diffraction, as well as atomic force microscopy and micro-Raman spectroscopy, were carried ...
S. N. Polyakov   +9 more
doaj   +1 more source

Effect of Three Different Electrolyte Additives on Corrosion Resistance of Micro-arc Oxidation Coating of NiTi Alloy in Simulated Body Fluid

open access: yesInternational Journal of Electrochemical Science, 2020
In this paper, a micro-arc oxidation (MAO) coating was formed on NiTi alloy in a 0.2 mol/L NaAlO2 base electrolyte with three additives of 0.03 mol/L NaOH, 0.03 mol/L NaH2PO2 and 0.03 mol/L Na3PO4, respectively.
Yao Yao   +6 more
doaj   +1 more source

Highly Efficient Blue Thermally Activated Delayed Fluorescence Emitters Based on Multi-Donor Modified Oxygen-Bridged Boron Acceptor

open access: yesMolecules, 2022
The employment of thermally activated delayed fluorescence (TADF) emitters is one of the most promising ways to realize the external quantum efficiency (EQE) of over 25% for organic light-emitting diodes (OLEDs).
Xin-Yue Meng   +4 more
doaj   +1 more source

Phosphorus/Phosphide‐Based Materials for Alkali Metal‐Ion Batteries

open access: yesAdvanced Science, 2022
Phosphorus‐ and phosphide‐based materials with remarkable physicochemical properties and low costs have attracted significant attention as the anodes of alkali metal (e.g., Li, Na, K, Mg, Ca)‐ion batteries (AIBs). However, the low electrical conductivity
Fangzheng Chen   +9 more
doaj   +1 more source

Cofactor‐Assisted Artificial Enzyme with Multiple Li‐Bond Networks for Sustainable Polysulfide Conversion in Lithium–Sulfur Batteries

open access: yesAdvanced Science, 2022
Lithium–sulfur batteries possess high theoretical energy density but suffer from rapid capacity fade due to the shuttling and sluggish conversion of polysulfides.
Suya Zhou   +7 more
doaj   +1 more source

Raman Spectra and Bulk Modulus of Nanodiamond in a Size Interval of 2–5 nm

open access: yesNanoscale Research Letters, 2017
Nanodiamond in a 2–5-nm size interval (which is typical for an appearance of quantum confinement effect) show Raman spectra composed of 3 bands at 1325, 1600, and 1500 cm−1 (at the 458-nm laser excitation) which shifts to 1630 cm−1 at the 257-nm laser ...
Mikhail Popov   +8 more
doaj   +1 more source

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