Articles tagged with Supercapacitors
Researchers from Southeast University and Nanjing Normal University create supercapacitor technology using plant waste, enabling rapid-charging energy storage at 4.0 volts. The innovative approach combines a custom electrode with a specialized electrolyte to stabilize the system.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
A new fabrication method has been developed to create wafer-scale energy storage capacitors with astonishing heating and cooling rates of up to 1,000 °C per second. This 'flash annealing' technique enables the synthesis of high-performance relaxor antiferroelectric films on silicon wafers in just one second.
Researchers at Shinshu University developed a novel copper-cobalt oxide composite that excels in energy storage, environmental remediation and water splitting. The material boasts high specific capacitance, exceptional stability and numerous active catalytic sites, making it a promising low-cost alternative to conventional catalysts.
Researchers create a biohybrid supercapacitor by embedding energy-producing bacteria in cement, storing electrical energy and regenerating its capacity. The material shows promising potential for future development and can recover up to 80% of its original energy capacity.
A discarded ornamental shrub can now power electric buses thanks to a new material that triples the energy density of previous devices. The material, called PHAC, shows high surface area and mesopore volume, enabling rapid ion transport and long cycle life.
Researchers develop a scalable strategy to improve zinc anode cycling stability and reaction kinetics using self-assembled supramolecular interfaces. The sulfobutyl-grafted β-cyclodextrin additive enhances Zn2+ transport and deposition uniformity, suppressing corrosion and dendrite growth.
Researchers developed frequency-responsive supercapacitors using h-MXene/C electrodes, which overcome TENG-SC hybrid system compatibility issues. The study demonstrates efficient pulse charging and AC line filtering capabilities, paving the way for self-powered electronics and high-performance energy storage materials.
Researchers from USTC have developed a novel method to degrade PTFE and PFASs at low temperatures using supercapacitor-assisted electrophotocatalysis. The process achieves high efficiency with minimal energy consumption, providing new perspectives for solving environmental problems.
Researchers developed a hybrid electrolyte combining potassium trifluoromethanesulfonate with EMIMNTf₂ to reduce water evaporation and suppress side reactions. The resulting electrolyte exhibits high electrochemical stability and reliable operation in extreme temperatures.
A new hydrogel material combines toughness, electrical conductivity, and environmental sustainability, offering a promising solution for flexible electronics. The hydrogel exhibits exceptional mechanical properties and antibacterial properties, making it suitable for applications in strain sensors and supercapacitors.
A full textile energy grid can be wirelessly charged, powering wearable sensors, digital circuits, and even temperature control elements. The system uses MXene ink printed on nonwoven cotton textiles, demonstrating its viability for integrated textile-based electronics.
Researchers have developed a new model of the electric double layer, accounting for various ion-electrode interactions. The model predicts a device's ability to store electric charge and aligns with experimental results.
Researchers designed a new supercapacitor that can store more energy through electrochemical phenomena, with increased capacitance when exposed to UV light. The device uses ZnO nanorods and liquid electrolyte, enabling fast-charging capabilities and opening doors for innovative applications in electronics.
Researchers at Tohoku University have successfully increased capacitor capacity by 2.4 times using a molecular coating method, improving its performance and lifespan. The new technology utilizes inexpensive activated carbon and can store large amounts of energy, making it suitable for next-generation energy devices.
Researchers discovered how tiny ions move within a complex network of pores, simulating and predicting ion movement in just a few minutes. This breakthrough could lead to more efficient energy storage devices like supercapacitors.
Scientists have developed a method to transform chicken fat into carbon-based electrodes for supercapacitors, which store energy and power LED lights. The new technology has shown good capacitance, durability, high energy, and power density, highlighting the potential of using food waste as a carbon source in green energy.
Researchers at KAIST have developed a hybrid sodium-ion battery with high energy and power density, enabling rapid charging in under a few seconds. The new battery technology has the potential to revolutionize energy storage for electric vehicles and other applications.
Researchers at University of Cambridge found that disordered carbon electrodes in supercapacitors store more energy than ordered ones. The study used nuclear magnetic resonance spectroscopy to analyze electrode materials and found a correlation between disorder and energy capacity.
The researchers created nanoribbons made of phosphorus and tiny amounts of arsenic, which were able to conduct electricity at high temperatures. The arsenic-phosphorus ribbons have also turned out to be magnetic, opening up possibilities for quantum computers.
Researchers develop low-cost, scalable energy storage system using cement and carbon black. The technology facilitates renewable energy sources like solar, wind, and tidal power by providing stable energy networks.
Scientists have developed a new supercapacitor with a carbon nano-onion core structure, achieving the highest level of energy storage ever recorded. This breakthrough could lead to significantly lighter and faster-charging energy storage devices.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers from GIST have developed a hydrotropic-supporting electrolyte to enhance the solubility of organic redox molecules in aqueous systems. This improvement enables the creation of high-energy-density electrochemical capacitors with potential applications in redox flow batteries.
Researchers at HSE MIEM develop mathematical model to enhance supercapacitor electrical capacitance by utilizing polymers with large pore sizes. This enables storing more energy and preventing potential adverse effects.
Researchers at Drexel University have developed a new method that combines UV-visible spectroscopy with cyclic voltammetry to track ion movement in batteries and supercapacitors. This breakthrough could lead to the design of higher performing energy storage devices.
Researchers at IISc have developed a novel ultramicro supercapacitor with enhanced electrochemical capacitance, exceeding 3000% increase in capacitance under certain conditions. The device uses Field Effect Transistors as charge collectors and solid gel electrolyte for improved electron mobility.
Chung-Ang University researchers develop a novel flexible supercapacitor platform with vertically integrated gold electrodes in a single sheet of paper. The design shows low electrical resistance, high foldability, and good mechanical strength, making it suitable for wearable devices.
Researchers at Drexel University have developed a wearable textile supercapacitor patch that can charge in minutes and power programmable electronics for almost two hours using MXene material. The innovative design enables seamless integration of technology into fabric, paving the way for health care technology applications.
Researchers have created a supercapacitor that combines high power and energy density using a 'breathing' electrode with chlorine gas. The new device achieves rapid charge separation and mass transfer, increasing its energy storage capacity.
Researchers have successfully fabricated bifunctional flexible electrochromic supercapacitors using silver nanowire flexible transparent electrodes. The devices can exhibit color changes to display energy status, offering potential for smart windows and wearable electronics. With excellent stability and high areal capacitance, these fl...
Researchers discuss micro-supercapacitors' applications in micro-wearable electronics, including integrated circuits. The study highlights the advantages of micro-supercapacitors, such as ultrahigh power density and small footprint, making them suitable for portable devices.
A new electrode material Co3O4@NiMoO4 has been developed for flexible hybrid capacitors, exhibiting high energy density and long cycle stability. The material was grown on porous nickel foam using a two-step hydrothermal method, providing a conductive skeleton for the electrodes.
Researchers at the University of Cambridge have developed a low-cost supercapacitor device that selectively captures CO2 gas while charging. The device uses sustainable materials and can store energy while capturing climate-changing emissions.
The study reveals significant information on the thermal properties of electric double-layer capacitors, which can help create safer and more reliable energy storage devices. The research team found that charging and discharging alter the heat capacity of EDLCs, leading to a decrease in capacitance.
Researchers engineered NiCoP4O12/NiCoP nanowire arrays with high specific capacity and improved electrochemical performance through phosphorus doping. The material exhibits a high capacitance of 507.8 μAh·cm−2 and ultra-stable ability after 10000 cycles.
Researchers have designed a manganese dioxide/carbon nanosheet composite material to address electrode morphology and size distribution issues. The composite exhibits superior electrochemical properties, including higher specific capacitance, better multiplicative performance, and lower internal resistance.
A team of researchers created a theoretical model demonstrating the difference in electrical differential capacitance between polymeric and ordinary ionic liquids. They predict a huge increase in capacitance for polymeric ionic liquids compared to regular ionic liquids with the same chemical composition.
The researchers developed a power suit made of a layered carbon composite material that works as an energy-storing supercapacitor-battery hybrid device. This material could increase an electric car's range by 25% and boost its power, giving it the extra push it needs to go from zero to 60 mph in 3 seconds.
Researchers at Chalmers University of Technology have developed a method to produce micro-supercapacitors, which can increase battery lifespan and enable fast charging. The new production process is scalable and could lead to significant environmental benefits by reducing battery recycling needs.
A new theoretical model of supercapacitors takes into account cation properties to increase electric differential capacitance. The authors believe this will lead to the creation of more powerful energy sources in the future.
Researchers from the University of Surrey and the University of São Paulo have developed a new analysis technique that enables scientists to investigate the complex inter-connected behaviour of supercapacitor electrodes made from layers of different materials. The technique, known as Distribution of Relaxation Times, allows researchers...
Scientists have successfully stored energy in bean plant roots using conjugated oligomers, creating a new biohybrid system for sustainable energy storage. The research demonstrates that the roots of intact plants can function as networks of conductors, storing up to 100 times more energy than previous experiments.
Scientists create a flexible supercapacitor using wrinkled titanium carbide nanosheets that maintains its ability to store and release electronic charges after repetitive stretching. The device has a high energy capacity comparable to existing MXene-based supercapacitors, but with extreme stretchability up to 800% without cracking.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
A novel material has been engineered to achieve high power and energy densities, potentially reducing charging times from hours to minutes. This breakthrough could address the need for electrochemical energy storage devices capable of handling high charging rates and high capacity.
The team has developed supercapacitors that have been tested for 10,000 cycles of charging and discharging cycles, demonstrating their reliability. Additionally, they have printed micro-supercapacitors on mechanically flexible surfaces using polyimide substrates, showcasing the versatility of these devices.
Researchers create an integrated cathode with 3D porous honeycomb-like CoN-Ni3N/N-C nanosheets, enhancing conductivity and active sites. The resulting supercapacitor achieves remarkable energy density and cycle stability, enabling high-energy-density flexible wearable electronics.
A recent experiment by Prof. YAN Xingbin's group reveals that an external magnetic field can induce capacitance change in aqueous acidic and alkaline electrolytes but not in neutral electrolytes, providing insight into ion transport behavior.
A machine learning algorithm predicts the life expectancy of critical components in extreme environments. The model is trained on data from electrochemical capacitors operated at temperatures up to 200°C, enabling safe and resilient operations in applications like downhole drilling equipment.
A Tohoku University research team successfully created the first 3D-printed proton exchange membrane, a critical component of batteries and fuel cells. The achievement enables custom solid-state energy devices with adaptable shapes and potential applications in smart wearable devices and medical implants.
Researchers have developed porous carbon aerogels for electrodes in ultralow-temperature supercapacitors, reducing heating needs for future space and polar missions. The new technology could enable NASA's Mars rovers to operate without heaters, improving efficiency and extending their lifespan.
Scientists at IPC PAS designed a novel solution by accelerating ion transport in narrow pores to charge supercapacitors faster. They presented slit-like pores with sizes slightly larger than ions and achieved promising results through complex computer simulations and experiments.
Researchers at Tomsk Polytechnic University and the University of Lille developed a new material based on reduced graphene oxide (rGO) that can store 1.7 times more electrical energy, expanding its surface area through organic molecule modification under mild conditions.
A team of researchers from TUM has developed a highly efficient supercapacitor using a novel, powerful and sustainable graphene hybrid material. The new energy storage device achieves an energy density of up to 73 Wh/kg and performs better than most other supercapacitors at a power density of 16 kW/kg.
Researchers have developed a method to utilize crayfish shells as a biological template for high-performance supercapacitors. The resulting material exhibits ultrahigh specific surface area, large total pore volume, and reasonable oxygen content, leading to improved energy density and capacitance.
Researchers at KAUST developed a new material that significantly improves the energy density of supercapacitors, enabling quick bursts of energy. The material uses covalent organic frameworks (COFs) with carefully selected molecular functional groups to overcome conductivity limitations.
Researchers at Graz University of Technology have developed a sustainable hybrid supercapacitor made of carbon and aqueous sodium iodide electrolyte. The system achieves unexpectedly high energy storage capacity by storing all chemical energy in solid iodine particles, enabling fast charging and discharging processes.
Researchers at Texas A&M University have designed a new plant-based energy storage device that can store up to 900 times greater charge than state-of-the-art supercapacitors. The devices are also environmentally friendly, lightweight, and cost-effective, making them suitable for charging electric cars within minutes.
Researchers at Washington University in St. Louis have developed a method to convert red bricks into energy storage units that can store electricity, which could be charged and used to power devices. The 'smart bricks' can store a substantial amount of energy and can be recharged hundreds of thousands of times within an hour.