Redox‐Enhanced Ionogels for Stretchable High‐Energy Density Electrochemical Capacitors
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202421206
Abstract: Developing stretchable energy storage devices with high energy and power densities poses a significant challenge for future wearable/deformable electronics. This study proposes new redox (R)‐ionogels that incorporate organodisulfides as redox species for high‐energy, stretchable redox‐enhanced… read more here.
Keywords: electrochemical capacitors; high energy; energy; redox enhanced ... See more keywords
Electrochemical Capacitors with Confined Redox Electrolytes and Porous Electrodes
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202202380
Abstract: Electrochemical capacitors (ECs), including electrical‐double‐layer capacitors and pseudocapacitors, feature high power densities but low energy densities. To improve the energy densities of ECs, redox electrolyte‐enhanced ECs (R‐ECs) or supercapbatteries are designed through employing confined soluble… read more here.
Keywords: energy densities; energy; electrochemical capacitors; redox electrolytes ... See more keywords
Faradaic and Non-Faradaic Self-Discharge Mechanisms in Carbon-Based Electrochemical Capacitors.
Sign Up to like & getrecommendations! Published in 2024 at "Small"
DOI: 10.1002/smll.202311957
Abstract: Electrochemical capacitors (ECs) play a crucial role in electrical energy storage, offering great potential for efficient energy storage and power management. However, they face challenges such as moderate energy densities and rapid self-discharge. Addressing self-discharge… read more here.
Keywords: electrochemical capacitors; discharge processes; faradaic non; self discharge ... See more keywords
Determination of accurate electrode contribution during voltammetry scan of electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-018-3924-0
Abstract: This paper introduces the method which allows determining the accurate electrode contributions during cyclic voltammetry (CV) scan of electrochemical capacitor. As a result of theoretical considerations, a calculation method which reveals voltammetry response of both… read more here.
Keywords: electrochemical capacitors; accurate electrode; electrode; scan electrochemical ... See more keywords
Utilizing kraft lignin–derived hard carbon as an innovative bio-electrode in electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2024 at "Ionics"
DOI: 10.1007/s11581-024-05770-4
Abstract: In recent years, biomaterials are gaining popularity due to high need to make energy storage devices greener and safer. After the carbonization process, lignin has a slightly larger specific surface and a porous structure, which… read more here.
Keywords: hard carbon; electrochemical capacitors; kraft lignin; lignin ... See more keywords
The Effects of Self-Discharge on the Performance of Asymmetric/Hybrid Electrochemical Capacitors with Redox-Active Electrolytes: Insights from Modeling and Simulation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-017-5796-y
Abstract: Self-discharge effects on the performance of an asymmetric electrochemical capacitors (ECs) was studied by incorporating a combination of different applicable self-discharge mechanisms into the capacitors mass transfer and charge conservation equations during charging and discharging.… read more here.
Keywords: performance asymmetric; self; electrochemical capacitors; self discharge ... See more keywords
Nickel sulfide-based energy storage materials for high-performance electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2020 at "Rare Metals"
DOI: 10.1007/s12598-020-01470-w
Abstract: Supercapacitors are favorable energy storage devices in the field of emerging energy technologies with high power density, excellent cycle stability and environmental benignity. The performance of supercapacitors is definitively influenced by the electrode materials. Nickel… read more here.
Keywords: energy; electrochemical capacitors; energy storage; nickel sulfides ... See more keywords
Recent research of core–shell structured composites with NiCo2O4 as scaffolds for electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124747
Abstract: Abstract With the rapid development of novel electrodes towards electrochemical capacitors, new materials with reasonable compositions and unique structures are intensively studied in order to achieve a high energy density. NiCo2O4 has been considered as… read more here.
Keywords: shell structured; core shell; electrochemical capacitors; structured composites ... See more keywords
Redox active electrolytes in carbon/carbon electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2018 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2018.05.006
Abstract: Summary The application of redox-active electrolytes to realize carbon/carbon electrochemical capacitors has created a great opportunity to enhance the mediocre energy of these devices. Taking advantage of the faradic current from the redox transformation of… read more here.
Keywords: carbon; electrochemical capacitors; carbon carbon; active electrolytes ... See more keywords
Modeling of electrochemical capacitors under dynamical cycling
Sign Up to like & getrecommendations! Published in 2019 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.11.053
Abstract: Abstract The electric responses of electrochemical capacitors produced with electrodes build up of reduced graphene oxide (rGO) deposited on Fluorine-doped tin oxide (FTO) coated glass have been experimentally investigated by cyclic voltammetry measurements. According to… read more here.
Keywords: capacitor; electrochemical capacitors; capacitors dynamical; curve ... See more keywords
Explanation of anomalous rate capability enhancement by manganese oxide incorporation in carbon nanofiber electrodes for electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2020 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2020.135921
Abstract: Abstract Electrochemical capacitors (ECs) can provide ultra-long cycle life and ultra-fast energy delivery, characteristics which most battery technologies lack. Making composites out of carbon and pseudocapacitive materials is a popular strategy directed on narrowing the… read more here.
Keywords: rate capability; carbon nano; electrochemical capacitors; carbon ... See more keywords