Results 21 to 30 of about 55,393 (263)

Harmonized edge/graphitic‐nitrogen doped carbon nanopolyhedron@nanosheet composite via salt‐confined strategy for advanced K‐ion hybrid capacitors

open access: yesInfoMat, 2021
Nitrogen doping has readily emerged as an efficient solution to boost potassium‐ion storage of carbonaceous materials. Nevertheless, the capacity and lifespan enhancement of derived electrodes is still plagued by the incompetent in coordinating the ...
Yuyang Yi   +10 more
doaj   +1 more source

High-Transconductance, Highly Elastic, Durable and Recyclable All-Polymer Electrochemical Transistors with 3D Micro-Engineered Interfaces

open access: yesNano-Micro Letters, 2022
Organic electrochemical transistors (OECTs) have emerged as versatile platforms for broad applications spanning from flexible and wearable integrated circuits to biomedical monitoring to neuromorphic computing.
Wenjin Wang   +13 more
doaj   +1 more source

Over 56.55% Faradaic efficiency of ambient ammonia synthesis enabled by positively shifting the reaction potential

open access: yesNature Communications, 2019
While direct N2 reduction using electrochemistry offers an appealing method to obtain usable nitrogen, materials typically show poor activities and efficiencies.
Mengfan Wang   +8 more
doaj   +1 more source

Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting

open access: yesNano-Micro Letters, 2021
Highlights The 3D honeycomb-like fabric decorated with MXene is woven as solar evaporator. The honeycomb structure enables light-trapping and recycling of convective and radiative heat.
Zhiwei Lei   +8 more
doaj   +1 more source

Dual‐Salt Electrolyte Additives Enabled Stable Lithium Metal Anode/Lithium–Manganese‐Rich Cathode Batteries

open access: yesAdvanced Energy & Sustainability Research, 2022
Although lithium (Li) metal anode/lithium–manganese‐rich (LMR) cathode batteries have an ultrahigh energy density, the highly active Li metal and structural deterioration of LMR can make the usage of these batteries difficult.
Junhua Zhou   +10 more
doaj   +1 more source

A Novel p-Type ZnCoxOy Thin Film Grown by Atomic Layer Deposition

open access: yesNanomaterials, 2022
Reported herein is the atomic layer deposition (ALD) of novel ternary ZnCoxOy films possessing p-type semiconducting behavior. The preparation comprises of optimized ZnO and Co3O4 deposition in sub-cycles using the commercially available precursors ...
Leyi Li   +4 more
doaj   +1 more source

Wax‐Transferred Hydrophobic CVD Graphene Enables Water‐Resistant and Dendrite‐Free Lithium Anode toward Long Cycle Li–Air Battery

open access: yesAdvanced Science, 2021
One of the key challenges in achieving practical lithium–air battery is the poor moisture tolerance of the lithium metal anode. Herein, guided by theoretical modeling, an effective tactic for realizing water‐resistant Li anode by implementing a wax ...
Yong Ma   +13 more
doaj   +1 more source

Promise and reality of practical potassium‐based energy storage systems

open access: yesEngineering Reports, 2020
The soaring demands for reliable, safe, and low‐cost power grid request the rational development of innovative energy storage systems with cost‐effectiveness and sustainability.
Yuyang Yi, Yu Zhao, Jingyu Sun
doaj   +1 more source

A seamless auxetic substrate with a negative Poisson’s ratio of −1

open access: yesNature Communications
Auxetic metamaterials are a unique class of materials or structures with a negative Poisson’s ratio and a wide array of functionalities. However, their inherent porosity presents challenges in practical applications.
Yung Lee   +12 more
doaj   +1 more source

Influence of the Reference Electrode on the Performance of Single‐Electrode Triboelectric Nanogenerators and the Optimization Strategies

open access: yesAdvanced Science, 2023
Owing to their unique advantages, single‐electrode triboelectric nanogenerators (SETENGs) have gained wide attention and have been applied in myriad areas, especially in the burgeoning flexible/wearable electronics.
Zetong Chen   +10 more
doaj   +1 more source

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