Results 51 to 60 of about 12,514,764 (354)

Fabrication and Electrochemical Performance of PVA/CNT/PANI Flexible Films as Electrodes for Supercapacitors

open access: yesNanoscale Research Letters, 2020
The flexible and rechargeable energy storage device with excellent performance is highly desired due to the demands of portable and wearable devices. Herein, by integrating the bendability and stretchability of Polyvinyl alcohol (PVA), pseudocapacitance ...
Jianwei Ben   +4 more
semanticscholar   +1 more source

Advances of Metal Oxide Composite Cathodes for Aqueous Zinc‐Ion Batteries

open access: yesAdvanced Energy & Sustainability Research, 2022
Aqueous zinc‐ion batteries (AZIBs) lately garner a lot of interest and are viewed as a promising energy storage technology due to their low cost, eco‐friendliness, and exceptional safety. Crystal metal oxide cathode research has advanced significantly in
James Kumankuma-Sarpong   +2 more
doaj   +1 more source

In Situ Gas-Phase Polymerization of Polypyrrole-Coated Lithium-Rich Nanotubes for High-Performance Lithium-Ion Batteries

open access: yesSurfaces, 2023
Conductive polymer polypyrrole (PPy)-coated lithium-rich manganese-based Li1.2Mn0.54Ni0.13Co0.13O2 (LMNCO) nanotube cathode materials were synthesized by electrospinning and subsequently subjected to low-temperature vapor-phase polymerization.
Yangwen Chen   +5 more
doaj   +1 more source

Apparatus for Operando X-ray Diffraction of Fuel Electrodes in High Temperature Solid State Electrochemical Cells

open access: yes, 2018
Characterizing electrochemical energy conversion devices during operation is an important strategy for correlating device performance with the properties of cell materials under real operating conditions.
Benck, Jesse D.   +4 more
core   +1 more source

Biomass-derived carbon materials for energy storage applications [PDF]

open access: yes, 2021
Energy storage systems are an essential link in the implementation of renewable energies and in the development of electric vehicles, which are needed to reduce our dependence on fossil fuels and the emission of greenhouse gases.
Gómez Martín, Aurora
core  

Self‐Enhancing Gel Polymer Electrolyte by In Situ Construction for Enabling Safe Lithium Metal Battery

open access: yesAdvanced Science, 2022
Lithium metal battery (LMB) possessing a high theoretical capacity is a promising candidate of advanced energy storage devices. However, its safety and stability are challenged by lithium dendrites and the leakage of liquid electrolyte.
Dongli Chen   +7 more
doaj   +1 more source

Improving Effect of Graphene on Electrochemical Properties of Fe2O3 Anode Materials

open access: yesMetals, 2022
Transition metal oxides have a high initial charge-discharge capacity of 800–1000 mAh/g, the electrochemical performance, cyclic performance and rate performance of the composite of transition metal oxide and graphene have been improved due to the unique
Guanglin Zhu   +4 more
doaj   +1 more source

Continuously Interconnected N-Doped Porous Carbon for High-Performance Lithium-Ion Capacitors

open access: yesNanoenergy Advances, 2022
Lithium-ion hybrid capacitors (LICs) possess the fascinating characteristics of both high power density and high energy density simultaneously. However, to design highly compatible cathode materials with a high capacity and anode materials with a high ...
Qing Wang   +5 more
doaj   +1 more source

An experimental study of polymer electrolyte fuel cell operation at sub-freezing temperatures [PDF]

open access: yes, 2013
The ability of polymer electrolyte fuel cells (PEFCs) to startup at subfreezing temperatures is governed by whether it is able to overcome the freezing point (0°C) before product ice prevents the electrochemical reactions. In this work, we experimentally
Borup, RL   +4 more
core   +2 more sources

The Effect of a Carbon Fiber Layer Between the Cathode and the Current Collector on Battery Cell Performance

open access: yesFibers
Contact resistance between the cathode active material (CAM) and the Al current collector can be reduced by applying carbon coatings to the Al current collector surface.
Jaswinder Sharma   +7 more
doaj   +1 more source

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