Results 81 to 90 of about 5,095 (238)

Superior Sodium Storage of Carbon-Coated NaV6O15 Nanotube Cathode: Pseudocapacitance Versus Intercalation

open access: yes, 2019
To realize the effect of Na+ pseudocapacitance on the sodium storage of cathode materials, clewlike carbon-coated sodium vanadium bronze (NaV6O15) nanotubes (Na-VBNT@C) were synthesized via a facile combined sol–gel/hydrothermal method.
Hirbod Maleki Kheimeh Sari (6429992)   +8 more
core   +1 more source

Elucidating the Energy Storage Performance of 2D Metallic Vanadium Ditelluride/Carbon Nanotube for Next‐Generation Asymmetric Supercapacitors Using Emerging MoSSe/Carbon Nanotube

open access: yesAdvanced Energy & Sustainability Research
Recently, vanadium ditelluride (VTe2) a member of the transition metal ditellurdies family has emerged as a functional material for energy storage applications owing to its exotic intrinsic properties.
Sree Raj Koottumvathukkal Anil   +5 more
doaj   +1 more source

Fabrication of NiO/palygorskite Composite and Its Pseudocapacitance Performances

open access: yesInternational Journal of Electrochemical Science, 2015
NiO/palygorskite composites had been fabricated by combining hydrothermal and calcining methods. The structure, morphology, surface area and pore distribution of the as-prepared NiO/palygorskite composites were characterized by the techniques such as ...
Mingjin Li   +3 more
doaj   +1 more source

Self‐Supported SiC@Graphene Porous Array Electrodes for Ultrastable Supercapacitors

open access: yesElectron, EarlyView.
Self‐supported SiC–graphene porous array electrodes are fabricated through a novel steam‐assisted etching and in situ pyrolysis strategy. They deliver a high energy density of 4.9 μWh cm−2 at 150°C with 89.55% capacitance retention over 10,000 cycles, presenting a new approach for high‐temperature supercapacitors.
Jiaqi Jiang   +11 more
wiley   +1 more source

Synthesis and Structural Characterization of Ni/Mn-Doped Co-RGO Composites for Supercapacitor Electrodes

open access: yesElectrochem
In this study, Ni/Mn-doped cobalt–reduced graphene oxide (Co-RGO) composites were successfully synthesized as advanced electrode materials for supercapacitors.
Andriono Manalu   +4 more
doaj   +1 more source

Crystalline–amorphous heterointerface engineering in oxygen‐vacancy‐activated BiOCl for high‐performance aqueous zinc‐ion batteries

open access: yesFlexMat, EarlyView.
Oxygen vacancy engineered BiOCl with a crystalline–amorphous heterostructure, coupled with an I−/I3− ${\mathrm{I}}_{3}^{-}$ redox‐active electrolyte, enables the optimized cathode to deliver exceptional long‐term cycling stability for aqueous zinc‐ion batteries.
Longjue Hu   +3 more
wiley   +1 more source

Fabrication of flexible composite electrodes and their application in flexible supercapacitors for wearable electronic devices

open access: yesFlexMat, EarlyView.
This review surveys current progress in composite flexible electrodes for flexible supercapacitors, emphasizing how structural engineering and material synergy enhance both mechanical compliance and electrochemical performance. It discusses fabrication strategies, emerging application scenarios, and ongoing challenges, offering updated insights that ...
Weikang Wang   +9 more
wiley   +1 more source

Data: Substantial Na-Ion Storage at High Current Rates: Redox-Pseudocapacitance through Sodium Oxide Formation

open access: yes, 2022
<p>Data for: <span>Portenkirchner, E. Substantial Na-Ion Storage at High Current Rates: Redox-Pseudocapacitance through Sodium Oxide Formation. <em>Nanomaterials</em> <strong>2022</strong>, <em>12</em> (23),
Engelbert, Portenkirchner
core   +1 more source

Intercalation Pseudocapacitance Boosting Ultrafast Sodium Storage in Prussian Blue Analogs

open access: yes, 2019
Great expectation is placed on sodium-ion batteries with high rate capability to satisfy multiple requirements in large-scale energy storage systems.
Mi Yan (17084)   +6 more
core   +1 more source

An Electrochemical-Cycling-Induced Capacitive Component on the Surface of an Electrophoretic-Deposited Lithium Iron Phosphate Cathode

open access: yesCrystals
In our research, we apply electrophoretic deposition (EPD) using AC voltage to investigate how high-C-rate electrochemical reactions affect pseudocapacitive charge storage in lithium iron phosphate (LFP) Li-ion batteries. This method significantly raises
Byoung-Nam Park
doaj   +1 more source

Home - About - Disclaimer - Privacy