Results 21 to 30 of about 132,098 (265)

TiO2 Nanobelt@Co9S8 Composites as Promising Anode Materials for Lithium and Sodium Ion Batteries

open access: yesNanomaterials, 2017
TiO2 anodes have attracted great attention due to their good cycling stability for lithium ion batteries and sodium ion batteries (LIBs and SIBs). Unfortunately, the low specific capacity and poor conductivity limit their practical application. The mixed
Yanli Zhou   +3 more
doaj   +1 more source

Phase Change Material Selection for Thermal Processes Working under Partial Load Operating Conditions in the Temperature Range between 120 and 200 °C

open access: yesApplied Sciences, 2017
In some processes, latent heat thermal energy storage (TES) systems might work under partial load operating conditions (the available thermal energy source is discontinuous or insufficient to completely charge the phase change material (PCM)). Therefore,
Jaume Gasia   +4 more
doaj   +1 more source

NiCo2S4/MoS2 Nanocomposites for Long-Life High-Performance Hybrid Supercapacitors

open access: yesNanomaterials, 2023
Metal sulfides (MS) and mixed metal sulfides (MTMS) have been considered potential candidates over their metal oxide/mixed metal oxide counterparts in recent years.
Le Nhu Minh Tue   +6 more
doaj   +1 more source

Scalable Wire‐Type Asymmetric Pseudocapacitor Achieving High Volumetric Energy/Power Densities and Ultralong Cycling Stability of 100 000 Times

open access: yesAdvanced Science, 2019
Wire‐shaped asymmetric pseudocapacitors with both pseudocapacitive cathode and anode are promising in facilitating device assembly and provide highly efficient power sources for wearable electronics.
Qiuyue Gui   +3 more
doaj   +1 more source

Incorporation of MnO2 into Egg Yolk Derived P, N, O-Tridoped Carbon for Supercapacitors with Excellent Cycling Stability

open access: yesInternational Journal of Electrochemical Science, 2019
The design of novel electrode materials is still challenging in the development of high-performance supercapacitors. To tackle such difficulties, a potentially feasible strategy is recently emerged via the incorporation of pseudocapacitive transition ...
Cheng Feng   +12 more
doaj   +1 more source

Electrosynthesis of Electrochromic Polymer Membranes Based on 3,6-Di(2-thienyl)carbazole and Thiophene Derivatives

open access: yesMembranes, 2021
Five carbazole-containing polymeric membranes (PDTC, P(DTC-co-BTP), P(DTC-co-BTP2), P(DTC-co-TF), and P(DTC-co-TF2)) were electrodeposited on transparent conductive electrodes. P(DTC-co-BTP2) shows a high ΔT (68.4%) at 855 nm. The multichromic properties
Chung-Wen Kuo   +5 more
doaj   +1 more source

Interfacial Reaction Dependent Performance of Hollow Carbon NanoSphere – Sulfur composite as a cathode for Li-S battery

open access: yesFrontiers in Energy Research, 2015
Lithium-sulfur (Li-S) battery is a promising energy storage system due to its high energy density, cost effectiveness and environmental friendliness of sulfur.
Jianming eZheng   +10 more
doaj   +1 more source

Facile Synthesis of Nickel Phosphide @ N-Doped Carbon Nanorods with Exceptional Cycling Stability as Li-Ion and Na-Ion Battery Anode Material

open access: yesBatteries, 2023
Nickel phosphide (Ni2P), as an anode material for both lithium- and sodium-ion batteries, offers high theoretical specific and volumetric capacities. However, considerable challenges include its limited rate capability and low cycle stability arising ...
Fang Fu   +5 more
doaj   +1 more source

Amorphous-Carbon-Supported Ultrasmall TiB2 Nanoparticles With High Catalytic Activity for Reversible Hydrogen Storage in NaAlH4

open access: yesFrontiers in Chemistry, 2020
In this paper, we report amorphous-carbon-supported TiB2 nanoparticles having sizes of 2–4 nm (nano-TiB2@C) as highly active catalysts for hydrogen storage in NaAlH4.
Xin Zhang   +6 more
doaj   +1 more source

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