History and perspectives on ultrafast supercapacitors for AC line filtering

J Park, W Kim - Advanced Energy Materials, 2021 - Wiley Online Library
Supercapacitors (SCs) are considered to be a promising energy storage device owing to
their high‐power characteristics and long‐term cycling stabilities. Recently, ultrafast SCs …

Aqueous hybrid electrochemical capacitors with ultra-high energy density approaching for thousand-volts alternating current line filtering

Z Li, X Wang, L Zhao, F Chi, C Gao, Y Wang… - Nature …, 2022 - nature.com
Filtering capacitors with wide operating voltage range are essential for smoothing ripples in
line-powered system, which are still unsatisfactory due to low energy density and limited …

Water-in-salt electrolyte enables ultrafast supercapacitors for AC line filtering

J Park, J Lee, W Kim - ACS Energy Letters, 2021 - ACS Publications
Water-in-salt electrolytes (WiSEs) are a promising candidate for use in energy storage
devices because of their wide electrochemical stability window (ESW) that overcomes the …

Ultrafast flexible PEDOT: PSS supercapacitor with outstanding volumetric capacitance for AC line filtering

S Suh, K Kim, J Park, W Kim - Chemical Engineering Journal, 2023 - Elsevier
Flexible supercapacitors are among the most important power supply devices for fulfilling
the energy/power demands of future flexible and wearable electronics. While significant …

Supercapacitors with precision ordered structure electrodes for AC line filtering

Q Zhao, G Zhang, S Yang, Y Li - Journal of Energy Storage, 2025 - Elsevier
Supercapacitors (SC) are electronic components that store energy by polarizing electrolytes.
They are widely concerned due to their high areal specific capacitance and volumetric …

Prussian blue based vertical graphene 3D structures for high frequency electrochemical capacitors

W Li, S Azam, G Dai, Z Fan - Energy Storage Materials, 2020 - Elsevier
Kilohertz high frequency electrochemical capacitors (HF-ECs), with a compact size, are
being actively investigated with the aim for line-frequency ripple current filtering and other …

[HTML][HTML] Deposition of poly (furfuryl alcohol) in mesoporous silica template controlled by solvent polarity: A cornerstone of facile and versatile synthesis of high-quality …

R Janus, P Natkański, M Wądrzyk, M Lewandowski… - Carbon, 2022 - Elsevier
Six CMK-n replicas (n= 3, 5, 6, 7, 8, and 9) were synthesized using a new, facile and
versatile method based on a surface-selective deposition of poly (furfuryl alcohol) onto the …

Bottom-up scalable temporally-shaped femtosecond laser deposition of hierarchical porous carbon for ultrahigh-rate micro-supercapacitor

Y Yuan, Z Zhang, X Li, L Jiang, X Zhang, P Zuo… - Science China …, 2022 - Springer
With the accelerated development of electronic devices, micro-supercapacitors (MSCs), as
energy storage devices that can charge and discharge quickly, have attracted considerable …

Ultrafast supercapacitors based on boron-doped Ketjen black and aqueous electrolytes

Q Jin, J Park, N Ji, M Khandelwal, W Kim - Applied Surface Science, 2022 - Elsevier
Compact supercapacitors (SCs) are considered as a promising alternative to bulky
aluminum electrolytic capacitors (AECs) for alternating current (AC) line filtering …

A focused ion beam-fabricated high-performance electrodeposited nickel–ruthenium–ruthenium oxide nano-supercapacitor

S Biswas, A Morag, N Shauloff, N Maman… - Journal of Materials …, 2024 - pubs.rsc.org
Supercapacitor miniaturization is highly sought after due to the considerable demand for
portable, flexible, and wearable microscale electronics. Constructing supercapacitor devices …