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Latest Publications & Patents on Super Capacitors

Super Capacitors

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This is our latest selection of worldwide publications and patents in english on Super Capacitors, between many scientific online journals, classified and focused on super capacitor, supercapacitor, super caps, super caps, EDLC, hybrid capacitor and ultracapacitor.

A supercapacitor bank system and voltage balancing method of the supercapacitor bank system

Patent published on the 2026-09-09 in EP under Ref EP4804375 by UNIV OF ZAGREB FACULTY OF ELECTRICAL ENGINEERING AND COMPUTING [HR] (Makar Martin [hr], Kutija Martina [hr])

Abstract: [0001] The present invention relates to an electrical energy storage system, particularly to a supercapacitor bank system comprising a plurality of series-connected supercapacitor cells. Further, the present invention relates to a voltage balancing circuit and a voltage balancing method of the supercapacitor bank system. The voltage balancing circuit (100; 200) includes a current controlled AC source (101; 201) configured to supply a controlled balancing current and wherein the current-controlle[...]


Our summary: The invention describes a supercapacitor bank system with series-connected cells. It includes a voltage balancing circuit to equalize the voltage across cells. The method uses a current-controlled AC source and associated circuits for balancing.

supercapacitor, voltage balancing, energy storage, DC-DC conversion

Patent

Method and system for controlling hybrid electric vehicles

Patent published on the 2026-08-27 in US under Ref US20260254381 by UNIV KING FAHD PET & MINERALS [SA] (Khalid Muhammad [sa], Zeb Kamran [sa])

Abstract: [0000] A method and a control system for controlling a hybrid electric vehicle (HEV). The method includes regulating power distribution in a hybrid energy storage system (HESS) having multiple energy sources, including a fuel cell, a battery, a supercapacitor, and a photovoltaic panel. The method includes controlling an induction motor connected to the DC bus through an inverter by applying a space vector pulse width modulation (SVPWM) technique to generate a desired alternative current (AC) out[...]


Our summary: The method regulates power distribution in a hybrid energy storage system with multiple sources. It controls an induction motor using space vector pulse width modulation for desired AC output. An adaptive sliding mode controller adjusts in real-time to optimize energy flow and manage load conditions.

Hybrid Electric Vehicle, Power Distribution, Space Vector PWM, Adaptive Control

Patent

System for energy storage and generation

Patent published on the 2026-08-26 in EP under Ref EP4797301 by UFLEX S R L [IT] (Gai Pietro [it], Cataldo Simone [it])

Abstract: Energy storage and generation system comprising at least one modular unit comprising at least one supercapacitor cell and a battery management system (BMS), said modular unit comprising an outer casing; said outer casing comprises a first portion for housing said supercapacitor cell and a second portion for housing said battery management system (BMS), said first portion being superimposed on said second portion along a vertical plane (P), said modular unit being configured to be housed in a cav[...]


Our summary: The system integrates a modular unit containing a supercapacitor cell and a battery management system. The outer casing of the unit has two portions, one for the supercapacitor and another for the BMS. The design allows the modular unit to fit into a designated cavity.

energy storage, supercapacitor, battery management system, modular unit

Patent

Power generation device

Patent published on the 2026-08-13 in WO under Ref WO2026165809 by YANG CHIA CHEN [CN] (Chen Pu-chih [cn], Yang Chia-chen [cn])

Abstract: A power generation device driven by electromagnetic repulsion, comprising: a plurality of first magnetic pole assemblies, arranged along a first semicircular arc; a plurality of second magnetic pole assemblies, arranged along a second semicircular arc, wherein the first semicircular arc and the second semicircular arc form an outer circle; a plurality of paired magnetic pole assemblies, annularly arranged on a turntable to form an inner circle, wherein the turntable is eccentrically disposed wit[...]


Our summary: The device utilizes electromagnetic repulsion to drive a turntable. It features magnetic pole assemblies arranged in concentric arcs. The induced current generated charges a supercapacitor.

electromagnetic repulsion, power generation, magnetic pole assemblies, induction circuit

Patent

Zinc-vanadium-nickel oxide nano-flakes in flexible biochar matrix for supercapacitors

Patent published on the 2026-07-30 in US under Ref US20260221350 by IMAM ABDULRAHMAN BIN FAISAL UNIV [SA] (Alkhaldi Rana [sa], Cevik Emre [sa], Asiri Sarah [sa], Manzar Mohammad Saood [sa], Anil Seyda Tugba Gunday [sa])

Abstract: [0000] A capacitor includes electrodes including a composite electrode composition including zinc-vanadium-nickel oxide (ZnVO/NiO) (ZNV) particles, a biochar (BC), a conductive carbon (CC), and a polymer binder, a dielectric separator, and an electrolyte. The amount of ZNV particles present in the composite electrode composition is in a range from 1-20 weight percent (wt. %) relative to the combined amount of the BC, CC, and polymer binder. The specific capacitance of the composite electrode com[...]


Our summary: The study presents a composite electrode for supercapacitors using zinc-vanadium-nickel oxide nano-flakes in a flexible biochar matrix. The electrode composition includes conductive carbon and a polymer binder, with ZNV particles constituting 1-20 wt. %. The specific capacitance achieved is at least 150 F/g at a measurement rate of 1 mV/s.

supercapacitors, zinc-vanadium-nickel oxide, biochar matrix, composite electrode

Patent

A fuel cell system for a vehicle

Patent published on the 2026-07-15 in EP under Ref EP4775434 by VOLVO CONSTR EQUIP AB [SE] (Johansson Peter [se], Örkenrud Kim [se], Kvist Roland [se])

Abstract: A fuel cell system for a vehicle equipped with a regenerative braking system, the fuel cell system comprising: an electric traction machine; a fuel cell configured to power the electric traction machine, the power output from the fuel cell being controlled by a throttle introducing a lag time between operation of the throttle and the power output of the fuel cell; an energy storage system comprising a first energy storage device (12a) being a first battery pack or a first super capacitor, and a [...]


Our summary: The vehicle features a fuel cell system that powers an electric traction machine. It includes a regenerative braking system to store energy in two energy storage devices. A control system manages power output and directs electricity between the fuel cell and energy storage.

fuel cell, regenerative braking, energy storage, electric traction machine

Patent

Phosphazene-Based Porous Polymer as Electrode Material for Electrochemical Applications

Published on 2026-01-29 by Ekaterina A. Karpova, Alexander A. Sysoev, Ilya D. Tsvetkov, Alexey L. Klyuev, Oleg A. Raitman, Mikhail A. Soldatov @MDPI

Abstract: Porous highly cross-linked polymer (PIP) was synthesized by a polycondensation reaction between hexachlorocyclotriphosphazene and piperazine. The obtained polymer has a surface area of 76.9 m2/g and a mesoporous structure. After carbonization, the obtained product (PIP-C) has a surface area of 177 m2/g. The obtained carbon product contained nitrogen and phosphorus heteroatoms, which leads to a higher specific capacitance (155.6 F/g) and catalytical activity in the electroreduction of oxygen (15.[...]


Our summary: A porous phosphazene-based polymer was synthesized through polycondensation. The carbonized product exhibited enhanced surface area and specific capacitance. This research highlights the potential of these materials for use in supercapacitors and electrocatalysts.

Phosphazene, Porous Polymer, Electrochemical Applications, Heteroatom-Doped Carbon

Publication

Time-Engineered Hydrothermal Nb2O5 Nanostructures for High-Performance Asymmetric Supercapacitors

Published on 2026-01-27 by Rutuja U. Amate, Mrunal K. Bhosale, Aviraj M. Teli, Sonali A. Beknalkar, Hajin Seo, Yeonsu Lee, Chan-Wook Jeon @MDPI

Abstract: Precise control over nanostructure evolution is critical for optimizing the electrochemical performance of pseudocapacitive materials. In this work, Nb2O5 nanostructures were synthesized via a time-engineered hydrothermal route by systematically varying the reaction duration (6, 12, and 18 h) to elucidate its influence on structural development, charge storage kinetics, and supercapacitor performance. Structural and surface analyses confirm the formation of phase-pure monoclinic Nb2O5 with a sta[...]


Our summary: This study presents a time-engineered hydrothermal method for synthesizing Nb2O5 nanostructures, optimizing their electrochemical performance for supercapacitors. A reaction time of 12 hours yields hierarchically organized structures that enhance ion diffusion and surface area. The resulting NbO-12 electrode demonstrates superior capacitance, fast kinetics, and excellent cycling stability in asymmetric supercapacitor applications.

Nb2O5, hydrothermal synthesis, supercapacitors, pseudocapacitance

Publication

Sujets abordés : supercapacitor, super capacitor, EDLC, ultracapacitor, carbon material, electrode, pores, method, composite, activated carbon, manufacturing, synthesis, films, hybrid energy storage systems, adaptive LQG controller, battery, Sepic/Zeta converter, and control strategy..

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