Articles tagged with Supercapacitors
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.
UC Riverside engineers develop a process to transform PET plastic into a nanomaterial useful for energy storage. The breakthrough reduces plastic pollution and could lower battery costs, enabling the widespread adoption of electric cars by 2040.
Researchers have developed a new method to enhance graphene-based supercapacitors, increasing storage capacity and reducing size. The approach uses gel-based electrolytes, offering a path to miniaturized on-chip energy storage systems compatible with silicon electronics.
Researchers Liping Yu and Yingchao Yang will develop new battery and supercapacitor materials using artificial intelligence-aided design. The project aims to overcome limitations in current energy storage devices by predicting, synthesizing, and characterizing new 2D materials.
Researchers from Jiangsu University of Technology developed novel Cu2O-Mn3O4-NiO ternary nanocomposites using electrospinning technology, showing improved performance in supercapacitor electrode materials. The nanocomposites exhibit high specific capacitance and capacitance retention due to strong interaction between functional groups ...
Scientists discovered that oxygen plasma can enhance electrochemical performance of electrodes in supercapacitors, outperforming nitrogen. This breakthrough could contribute to the development of new generation supercapacitors with improved electrochemical characteristics.
Researchers developed a stretchable, environmentally friendly, and low-cost supercapacitor with high power density and fast charge-discharge rates. The new design uses nitrogen-doped graphene electrodes in an NaCl-based electrolyte, improving volumetric performance and reducing fabrication costs.
Researchers at Penn State have developed a new supercapacitor based on manganese oxide that combines the benefits of batteries and other supercapacitors. The device has high energy density and power, making it suitable for electric vehicles and wearable electronics.
The researchers demonstrate a novel type of supercapacitor that can store energy like a battery but with some key differences. It stores energy through charge separation and cannot create its own electricity, making it perfect for short, high-power applications.
Researchers have developed a new supercapacitor that combines high power density and energy density, enabling fast charging and long runtime. The device can be bent to 180 degrees without compromising performance, making it ideal for wearable electronics and electric vehicles.
Researchers at Tokyo University of Science successfully developed a novel material, boron-doped nanodiamond, for use as an electrode in supercapacitors. This innovation significantly increases the energy storage capacity and stability of these devices.
Researchers from Texas A&M University developed new supercapacitor electrodes using dopamine-functionalized graphene and Kevlar nanofibers, significantly improving mechanical performance. This breakthrough paves the way for creating sturdy, stiff batteries, which could enable lighter electric vehicles and aircraft.
Researchers at the University of Pittsburgh have discovered that carbon nanotubes can both repel and hold water in place, creating a parahydrophobic surface. This unique property allows for stable water droplets to cling to the CNT forest, enabling applications such as printing, spectroscopy, and harvesting surfaces.
Researchers from RMIT University have developed a cost-efficient method to fabricate textiles embedded with energy storage devices. In just three minutes, this technology can produce a 10x10cm smart textile patch that's waterproof, stretchable and readily integrated with solar or other sources of power.
A team of scientists from the University of Bristol and MIT has designed a new class of highly efficient ionic liquid electrolytes that can improve supercapacitor performance. These detergent-like electrolytes can self-assemble into sandwich-like bilayer structures on electrode surfaces, leading to improved energy storage capabilities.
Michigan State University researchers have created a potential solution for emerging wearable tech by developing highly stretchable supercapacitors powered by crumpled carbon nanotube forests. The new design has demonstrated solid performance and stability, even under extreme stretching and relaxing cycles.
A research team at Tohoku University has created a new material for supercapacitors with exceptional stability under harsh conditions, exceeding conventional activated carbons by 2.7 times in voltage stability.
Researchers have discovered a way to make paper supercapacitors that can bend, fold, flex and still hold electricity. These new supercapacitors have vast potential applications, including medical implants, wearable tech, and novel energy storage solutions.
Scientists at UC Santa Cruz and LLNL fabricated electrodes using printable graphene aerogel to build a porous three-dimensional scaffold loaded with pseudocapacitive material. The novel electrodes achieved the highest areal capacitance, while maintaining performance without sacrificing energy storage capacity per unit mass or volume.
Researchers fabricated an asymmetric supercapacitor based on FeCo-selenide nanosheet arrays, demonstrating a specific capacitance of 978 F/g and cycle stability of 81.2%. The device also showed excellent electrochemical performance, providing evidence that FeCo-selenide could be the next-generation promising electrode material.
Researchers have discovered a way to produce highly conductive electrode materials for supercapacitors sustainably using nanocellulose derived from wood pulp. The new method yields mechanically stable and porous three-dimensional networks with high electrical conductivity.
Researchers developed a 'candy cane' polymer weave that increases charge storage capacity, enabling flexible batteries and supercapacitors. The new material has nearly double the specific capacitance compared to conventional PEDOT-based supercapacitors.
Researchers designed a new electrode that mimics the structure of tree branches to boost supercapacitors' performance. The device stores more energy and delivers faster power compared to existing designs.
Scientists at Nanyang Technological University have created a customizable, fabric-like power source that can be recharged many times and has the ability to store an electrical charge four times higher than most existing stretchable supercapacitors. The editable supercapacitor is made of strengthened manganese dioxide nanowire composit...
Researchers discovered a hybrid electrolyte that combines aqueous and organic characteristics to increase the performance of vertical graphene nanosheets in supercapacitors. The hybrid electrolyte and potassium hydroxide activation improved nanostructure and charge storage capacity, resulting in fivefold improvements in capacitance.
Scientists at the University of Waterloo have created a new type of supercapacitor that can store significantly more electrical energy than existing devices. This breakthrough enables faster charging times for cellphones and laptops, and potentially replaces batteries in electric vehicles and other applications.
Researchers have developed a paper-based flexible supercapacitor using metallic nanoparticles to increase energy density. The device shows high power and energy densities, and can be folded without affecting conductivity, making it suitable for wearable devices and other applications.
Drexel University researchers have created a fabric-like material electrode that could help make energy storage devices faster and less susceptible to leaks or fires. Their design uses a thick ion-rich gel electrolyte absorbed in a freestanding mat of porous carbon nanofibers, eliminating the need for flammable liquids.
A flexible supercapacitor with a longer cycle life has been designed by Queen's University Belfast researchers, which could power body sensors and improve patient comfort. The device is made of non-flammable electrolytes and organic composites, safe for the human body.
A new type of supercapacitor with improved flexibility, resilience to charge/discharge cycling, and energy storage capacity has been developed. The technique can be applied to various materials, enabling fast charging of mobile phones, smart clothes, and implantable devices.
Researchers at Michigan Technological University developed a novel method to convert carbon dioxide into three-dimensional graphene with micropores, greatly enhancing its potential as a supercapacitor material. The new material exhibited ultrahigh areal capacitance and superb cycling stability.
A team of engineers at the University of Washington has developed a process for manufacturing supercapacitor electrode materials that meet industrial and usage demands. They used carbon-rich materials with high surface area, creating an aerogel that can act as a crude electrode and doubling its capacitance.
Researchers developed a facile synthetic route to fabricate N/S co-doped carbon microspheres, achieving high capacitance and capacitance retention. The optimized material shows promising performance for practical applications of supercapacitors.
Scientists create a polyacrylamide hydrogel electrolyte that enables supercapacitors to be stretched up to 1000% in length and compressed by 50% in thickness without losing capacity. This flexibility makes the supercapacitor suitable for wearable electronics.
Researchers at UC San Diego have developed new electrolyte chemistry that enables lithium batteries to operate at -60°C and electrochemical capacitors at -80°C. This technology could improve the performance of electric vehicles in cold climates and enable space exploration applications.
Researchers from RMIT University have developed a groundbreaking graphene-based electrode prototype that can increase the capacity of existing integrable storage technologies by 3000%. This breakthrough design is inspired by the efficient vein structure of fern leaves, offering a solution to the storage challenge holding solar energy b...
Researchers at Linköping University have developed an organic converter that enables the use of electricity from a wall socket to drive organic light-emitting devices and charge supercapacitors. This innovation paves the way for flexible, thin, cost-effective, and eco-friendly solutions in electronics.
Researchers created a supercapacitor infused with green tea polyphenols, demonstrating power and energy densities suitable for powering wearable electronics. The device performed well even after being compressed over 100 times, making it a promising solution for long-lasting wearable energy.
A team of researchers has fabricated copper-based nanostructures with high specific and areal capacitances in a short time frame, making them suitable for energy devices such as supercapacitors and lithium-ion batteries. The study's findings suggest that these structures have great potential for energy applications.
Researchers have developed environmentally friendly organic solar cells using nanomaterials, increasing efficiency and reducing toxic substances. Additionally, hybrid capacitors with enhanced storage capacity and faster charging capabilities have been created using nano-diamond composites, paving the way for more efficient energy stores.
A team of UCF scientists has developed a novel method for creating flexible supercapacitors that can store more energy and be recharged multiple times without degrading. The new process uses two-dimensional materials to facilitate fast electron transfer, resulting in high energy and power densities.
Researchers at MIT have developed a new class of materials for supercapacitors that can produce more power than existing carbon-based versions. The material, called Ni3(hexaiminotriphenylene)2, is highly porous and conducts ions well, making it suitable for use in energy storage devices.
Researchers developed stretchable micro-supercapacitors using graphene ribbons to store energy in wearable devices. The design allows for stretching without compromising electrochemical performance, enabling applications in smart T-shirts and soft robots.
Researchers at VTT have created a hybrid nanomaterial-based supercapacitor that can store and generate electrical energy on a silicon chip, paving the way for zero-power autonomous devices in IoT. The new technology has impressive power generation of 2 watts on a one square centimetre silicon chip.
Researchers at ORNL have created flexible polymer carbon composite films as electrodes for supercapacitors, achieving high power and energy density. The technology can consume up to 50 tons of scrap tires daily, providing relief from the expected 1.5 billion discarded tires by 2035.
Scientists have developed a new technique to visualize the behavior of ions in supercapacitors, revealing that different processes occur at work in the two electrodes. The research uses nuclear magnetic resonance (NMR) spectroscopy and tiny weighing scales to measure changes in mass as ions interact with the surface.
The new material has exceptional energy-storage capacity, enabling unprecedented performance in lithium-sulfur batteries and supercapacitors. Designer carbon can be fine-tuned for various applications by adjusting the type of polymers and organic linkers used during fabrication.
The new electrode boasts nearly 1415 farad per gram capacitance, high current density, low resistance, and high power density. It also exhibits long-term cycling stability, retaining up to 95% of initial capacitance after 3000 cycles.
Researchers at Lawrence Livermore National Laboratory have identified changes in the structure and bonding of graphitic carbon electrodes that may improve the capacity and efficiency of electrical energy storage systems. The new X-ray adsorption spectroscopy capability provided key information on how the structure and bonding evolve du...
Researchers at Rice University have developed stacked, three-dimensional supercapacitors using laser-induced graphene, which show excellent energy-storage capacity and power potential. The devices can be scaled up for commercial applications and offer flexibility and scalability benefits.
Scientists have created an innovative way to utilize atmospheric carbon dioxide to produce high-value materials for energy storage products. This breakthrough in nanotechnology enables the creation of nanoporous graphene, which has exceptional electrical conductivity and surface area.
Researchers have developed lightweight supercapacitors that can boost the power of an electric car. The technology could be embedded in a car's body panels to store enough energy to turbocharge the battery in just a few minutes, enabling faster acceleration and charging times.
Researchers at MIT have discovered that crumpling graphene can create a stretchable supercapacitor that can store energy in flexible electronic devices. The material can be folded and stretched up to 1,000 times without losing performance.
Scientists have discovered a way to create hemp-derived carbon nanosheets that can store as much energy as graphene, the current gold standard for supercapacitors. These nanosheets offer a promising alternative for more affordable and sustainable energy storage.
Scientists from South Korea convert used-cigarette filters into a superior carbon-based material for supercapacitors, offering an eco-friendly solution to meet increasing energy demands. The material stores more electrical energy than commercially available options and has potential applications in various devices.
Researchers at New York University and the University of Cambridge have developed a method to examine supercapacitors' inner workings using magnetic resonance imaging (MRI). This technique allows them to locate molecular events responsible for device performance and explore electrolyte concentration gradients.
Scientists at UC Riverside developed a nanometer scale ruthenium oxide anchored graphene foam architecture that improves supercapacitors' performance, delivering two times more energy and power. The design shows promising properties for future energy storage applications.