Results 21 to 30 of about 78,891 (190)

Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing [PDF]

open access: yes, 2020
Microsupercapacitors (MSCs) have garnered considerable attention as a promising power source for microelectronics and miniaturized portable/wearable devices.
Ahn, David B.   +5 more
core   +1 more source

A Real-Time Layer-Adaptive Wavelet Transform Energy Distribution Strategy in a Hybrid Energy Storage System of EVs

open access: yesEnergies, 2019
In this paper, a real-time energy distribution strategy is designed by a layer-adaptive wavelet transform algorithm and proposed to meet the load power demand while distributing the high-frequency component to supercapacitors and the low-frequency ...
Jun Peng   +6 more
doaj   +1 more source

Self‐Healing and Shape‐Editable Wearable Supercapacitors Based on Highly Stretchable Hydrogel Electrolytes

open access: yesAdvanced Science, 2022
Shape editability combined with a self‐healing capability and long‐term cycling durability are highly desirable properties for wearable supercapacitors.
Yizhou Zhao   +5 more
doaj   +1 more source

Cycling stability of a hybrid activated carbon//poly(3- methylthiophene) supercapacitor with N-butyl-Nmethylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid as electrolyte [PDF]

open access: yes, 2005
A long cycle-life, high-voltage supercapacitor featuring an activated carbon//poly(3-methylthiophene) hybrid configuration with N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid, a solvent-free green electrolyte, was ...
Balducci, Andrea   +5 more
core   +2 more sources

Wood-Inspired Morphologically Tunable Aligned Hydrogel for High-Performance Flexible All-Solid-State Supercapacitors [PDF]

open access: yes, 2020
Oriented microstructures are widely found in various biological systems for multiple functions. Such anisotropic structures provide low tortuosity and sufficient surface area, desirable for the design of high-performance energy storage devices.
Alsaid, Y   +7 more
core   +2 more sources

High power density electrodes for Carbon supercapacitor applications [PDF]

open access: yes, 2005
This paper presents results obtained with 4 cm2 Carbon/Carbon supercapacitors cells in organic electrolyte. In the first approach, a surface treatment for Al current collector foil via the sol–gel route has been used in order to decrease the Al/active ...
Flahaut, Emmanuel   +4 more
core   +2 more sources

Mini Review of Reliable Fabrication of Electrode under Stretching for Supercapacitor Application

open access: yesMicromachines, 2022
Currently, there is an increasing demand for portable and wearable electronics. This has necessitated the development of stretchable energy storage devices, while simultaneously maintaining performance.
Haeji Kim, Paolo Matteini, Byungil Hwang
doaj   +1 more source

Supercapacitor leakage in energy-harvesting sensor nodes: fact or fiction? [PDF]

open access: yes, 2012
As interest in energy-harvesting sensor nodes continues to grow, the use of supercapacitors as energy stores or buffers is gaining popularity. The reasons for their use are numerous, and include their high power density, simple interfacing requirements ...
Merrett, Geoff V., Weddell, Alex S.
core   +1 more source

Original Conductive Nano-Co3O4 Investigated as Electrode Material for Hybrid Supercapacitors [PDF]

open access: yes, 2011
Cobalt oxides have been extensively used as conductive additives for Ni-MH batteries. We report in this paper the performances of an original nanometric cobalt oxide, close to Co3O4, as electrode material for hybrid supercapacitors.
Delmas, Claude   +4 more
core   +3 more sources

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the classical switched capacitor converters [PDF]

open access: yes, 2013
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative design approach to DC-DC converters, where the supercapacitor circulation frequency (switching frequency) is in the order of few Hz to few 10s of Hz, with an output ...
Kankanamge, Kosala, Kularatna, Nihal
core   +3 more sources

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