Results 71 to 80 of about 290,499 (205)

Hierarchical macro-nanoporous metals for leakage-free high-thermal conductivity shape-stabilized phase change materials

open access: yes, 2020
Impregnation of Phase Change Materials (PCMs) into a porous medium is a promising way to stabilize their shape and improve thermal conductivity which are essential for thermal energy storage and thermal management of small-size applications, such as ...
Dauvergne, Jean-Luc   +8 more
core   +1 more source

Solid-electrolyte interphases for all-solid-state batteries

open access: yesChemPhysMater
Interfacial engineering, particularly the design of artificial solid-electrolyte interphases (SEIs), has been successfully applied in all-solid-state batteries (ASSLBs) for industrial applications.
Yu Xia   +11 more
doaj   +1 more source

5G Cellular User Equipment: From Theory to Practical Hardware Design

open access: yes, 2017
Research and development on the next generation wireless systems, namely 5G, has experienced explosive growth in recent years. In the physical layer (PHY), the massive multiple-input-multiple-output (MIMO) technique and the use of high GHz frequency ...
Dong, Xiaodai, Huo, Yiming, Xu, Wei
core   +1 more source

All-Solid-State Textile Batteries Made from Nano-Emulsion Conducting Polymer Inks for Wearable Electronics

open access: yesNanomaterials, 2012
A rollable and all-solid-state textile lithium battery based on fabric matrix and polymer electrolyte that allows flexibility and fast-charging capability is reported.
Tapani Ryhänen, Darryl Cotton, Di Wei
doaj   +1 more source

NiF2/NaF:CaF2/Ca Solid-State High-Temperature Battery Cells [PDF]

open access: yes
Experiments and theoretical study have demonstrated the promise of all-solid-state, high-temperature electrochemical battery cells based on NiF2 as the active cathode material, CaF2 doped with NaF as the electrolyte material, and Ca as the active anode ...
DelCastillo, Linda   +2 more
core   +1 more source

Identification and characterization of the dominant thermal resistance in lithium-ion batteries using operando 3-omega sensors [PDF]

open access: yes, 2020
Poor thermal transport within lithium-ion batteries fundamentally limits their performance, safety, and lifetime, in spite of external thermal management systems.
Battaglia, V   +4 more
core  

How Voltage Drops are Manifested by Lithium Ion Configurations at Interfaces and in Thin Films on Battery Electrodes

open access: yes, 2015
Battery electrode surfaces are generally coated with electronically insulating solid films of thickness 1-50 nm. Both electrons and Li+ can move at the electrode-surface film interface in response to the voltage, which adds complexity to the "electric ...
Leenheer, Andrew, Leung, Kevin
core   +2 more sources

Sulfur Reduction Pathways and Through-thickness Distribution in Positive Composite Electrodes of All-solid-state Li–S Batteries: Elucidation of Two-stage Discharge Plateaus

open access: yesElectrochemistry
Sulfur positive electrodes in liquid-type lithium–sulfur (Li–S) batteries exhibit two discharge plateaus at approximately 2.4 and 2.1 V (vs. Li). However, conventional sulfur composite electrodes in all-solid-state Li–S batteries typically do not display
Hiroshi NAGATA   +2 more
doaj   +1 more source

First Principles Modeling of the Initial Stages of Organic Solvent Decomposition on Li(x)Mn(2)O(4) (100) Surfaces

open access: yes, 2012
Density functional theory and ab initio molecular dynamics simulations are applied to investigate the initial steps of ethylene carbonate (EC) decomposition on spinel Li(0.6)Mn(2)O(4) (100) surfaces.
Leung, Kevin
core   +1 more source

Unique compounds functionalized with three-membered cyclic structures

open access: yesGreen Chemical Engineering
Three-membered cyclic compounds are a fascinating class of compounds: they have the maximum torsional and angular strain (sp3 hybridization but bond angles deviate from 109°28’), and possess unique physical and chemical properties.
Yuan Yao   +3 more
doaj   +1 more source

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