Results 21 to 30 of about 577,325 (292)

Novel Insights into Energy Storage Mechanism of Aqueous Rechargeable Zn/MnO2 Batteries with Participation of Mn2+

open access: yesNano-Micro Letters, 2019
Aqueous rechargeable Zn/MnO2 zinc-ion batteries (ZIBs) are reviving recently due to their low cost, non-toxicity, and natural abundance. However, their energy storage mechanism remains controversial due to their complicated electrochemical reactions ...
Yongfeng Huang   +6 more
doaj   +1 more source

Electrochemically “Writing” Graphene from Graphene Oxide

open access: yesSmall, 2013
A novel approach of patterning graphene on conductive surfaces based on local electrochemical reduction of graphene oxide is reported. Graphene is "written" from typical graphene oxide dispersion by applying negative potential on conductive surfaces vs.
Radko, Anna   +6 more
openaire   +4 more sources

High-Performance Aqueous Zinc-Ion Batteries Realized by MOF Materials

open access: yesNano-Micro Letters, 2020
Rechargeable aqueous zinc-ion batteries (ZIBs) have been gaining increasing interest for large-scale energy storage applications due to their high safety, good rate capability, and low cost. However, the further development of ZIBs is impeded by two main
Xuechao Pu   +6 more
doaj   +1 more source

Use of Functionalized Graphene-Based Materials on Grease

open access: yesLubricants, 2023
The growing awareness of reduced friction losses and new demands for electrical powertrains demand improved lubricants. Due to their unique properties, such as high thermal and electrical conductivity, graphene and its derivatives have been investigated ...
Eduardo Tomanik   +5 more
doaj   +1 more source

Applications of Raman spectroscopy in graphene-based polymer nanocomposites

open access: yesCailiao gongcheng, 2020
Raman spectroscopy is well-known for its capability of detecting the physical properties, level of defects and number of layers for graphene-based materials, but far more than that, it's proven to be a versatile and promising tool for characterizing ...
HAO Si-jia   +6 more
doaj   +1 more source

Water friction in nanofluidic channels made from two-dimensional crystals

open access: yesNature Communications, 2021
Flow through nanometer scale channels facilitates an unmasked study of water-surface molecular interactions. Here, Keerthi et al. show with conduits made from graphite and hexagonal boron nitride that strong hydrophobicity does not rule out enhanced ...
Ashok Keerthi   +6 more
doaj   +1 more source

Control and Characterization of Individual Grains and Grain Boundaries in Graphene Grown by Chemical Vapor Deposition [PDF]

open access: yes, 2011
The strong interest in graphene has motivated the scalable production of high quality graphene and graphene devices. Since large-scale graphene films synthesized to date are typically polycrystalline, it is important to characterize and control grain ...
A Reina   +63 more
core   +3 more sources

Review and recent development of lithium-sulfur batteries

open access: yesJournal of Aeronautical Materials, 2022
Lithium-sulfur battery is a kind of energy storage system with high specific capacity, low production cost and environmental friendliness. It has great development potential and application prospect in portable electronic device energy storage.
YAN Shaojiu   +6 more
doaj   +1 more source

Synthetic Graphene Grown by Chemical Vapor Deposition on Copper Foils [PDF]

open access: yes, 2013
The discovery of graphene, a single layer of covalently bonded carbon atoms, has attracted intense interests. Initial studies using mechanically exfoliated graphene unveiled its remarkable electronic, mechanical and thermal properties.
Cao, Helin   +7 more
core   +1 more source

Efficient phonon cascades in WSe2 monolayers

open access: yesNature Communications, 2021
The primary stages of carrier relaxation in atomically thin transition metal dichalcogenides are hardly accessible due to their fast timescales. Here, the authors measure the first stages of carrier–phonon interaction in monolayer WSe2 via a series of ...
Ioannis Paradisanos   +7 more
doaj   +1 more source

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