Articles tagged with Batteries
A Vanderbilt University team developed an ultrathin energy harvesting system that generates electricity from human motion, offering a potential solution for wearable devices and smart clothing. The device operates at low frequencies, making it suitable for slow movements like sitting or standing.
Researchers at Harvard University have created battery-free folding robots that can perform complex movements using wireless magnetic fields and shape-memory alloy coils. The robots, inspired by origami, use passive electronic components to deliver an electric current, eliminating the need for batteries or wired connections.
Researchers have developed lightweight, flexible, and simple TENGs from recycled plastics that can generate electricity in self-powered smart toys. The technology has shown promise in creating interactive games without the need for batteries, benefiting children's entertainment and education.
Drexel University researchers develop new battery electrode designs using highly conductive MXene material, achieving tens of milliseconds charging time. The design enables ultrafast energy storage devices that can store more energy than conventional supercapacitors.
Researchers at the University of Washington have developed a new deep brain stimulation system that uses electrodes on top of the brain to sense movement and deliver targeted stimulation only when needed. This approach has shown promising results in reducing tremor symptoms, extending battery life, and improving patient performance.
Researchers at MIT's CSAIL have developed a system of quadcopter drones that can both fly and drive through urban environments with ease. The drones, equipped with wheels on the bottom, can navigate around obstacles in both air and ground modes, making them ideal for transporting objects or rescuing people in disaster zones.
Computer scientists in Saarbræcken have created an electric version of Karl von Drais' 200-year-old bicycle, dubbed the Draisine 200.0, to test the validity of mathematical proofs and improve e-bike software safety.
Purdue researchers develop 'instantly rechargeable' battery technology that can be refilled like a gas tank, eliminating the need for re-charging stations. This innovation could expedite the adoption of electric and hybrid vehicles by reducing charging time and infrastructure costs.
Researchers have developed a new algorithm to optimize battery power consumption in smart home systems. The system learns to adapt to real-time electricity rates and minimizes grid power needed while extending battery life. Future work will investigate avoiding damage caused by frequent charging and discharging modes.
Researchers have developed a new battery system using electrodes with porous graphene scaffolding, showing substantial improvement in energy storage. By fine-tuning nanopore size, they achieved high mass loading and power capability while maintaining charge transport.
Researchers at the University of Kent have discovered a way to increase the charge transport rate in solid materials using geometric frustration, a phenomenon that breaks up regimented atomic formations. This technique enables faster ionic conductivity, potentially leading to more powerful batteries and fuel cells with zero-emission ca...
Researchers at UTSA developed a chip that can extend battery life of electronics, making lower power devices like cell phones work more efficiently. The chip is small in size and manages power consumption to reduce heat and increase device lifespan.
The study found that the material with atomically thin layers of water stored energy more efficiently than the regular material, wasting less energy as heat. This breakthrough holds promise for future energy-storage technologies, such as thinner batteries and faster renewable-based power grids.
Researchers developed a novel approach to study Li-ion battery failure under short-circuit conditions, gaining insights into cell design vulnerabilities and thermal runaway propagation. The findings provide new knowledge to improve battery safety and reliability for portable electronics, electric vehicles, and grid-scale storage.
The study found significant variability in AED registration and maintenance, leading to unknown true risk for failure. Regions with high registration rates had significantly more operational AEDs.
Researchers at Columbia University developed a new method using ice-templating to create solid electrolytes for lithium batteries, which are safer, have longer battery life, and are bendable. This approach could improve energy density by replacing the graphite layer with lithium metal.
A Stanford scientist's new mathematical model could accelerate the design of high-power electrical storage devices, including car batteries and supercapacitors. The model aims to improve material performance and reduce costs, paving the way for more efficient energy storage solutions.
Researchers in China have developed a battery prototype that captures atmospheric nitrogen to generate electricity, offering a promising alternative to existing lithium-nitrogen batteries. The battery's energy output is brief but comparable to other lithium-metal batteries, making it a potential solution for renewable energy storage.
Researchers from NREL provide a detailed component and system-level cost breakdown for residential PV systems equipped with energy storage. The report reveals previously unknown soft costs and offers valuable information to stakeholders to guide cost reduction efforts.
Three MIT-affiliated research teams receive $10M in funding to develop novel energy storage technologies for future mobility and autonomous systems. The projects focus on lithium-ion batteries and nanostructured catalysts for oxygen reduction, with the goal of accelerating materials discovery and reducing CO2 emissions.
Researchers observe ultrafast bonding of lithium ions with solvents, challenging existing theory on ion diffusion. The study reveals dynamic restructuring of the solvent shell during ion transport, indicating that electrolytes play an active role in transporting lithium ions.
Researchers at ETH Zurich and IBM Research Zurich have built a tiny redox flow battery that supplies electrical power and cools computer chip stacks simultaneously. The new micro-battery reaches record-high output and has potential applications in lasers, solar cells, and large energy storage systems.
Researchers at Georgia Tech have developed a nanofiber catalyst that improves the efficiency of rechargeable batteries and hydrogen production. The new catalyst, made from double perovskite nanofibers, shows significantly enhanced oxygen evolution reaction capability compared to existing materials.
Biomedical engineers at North Carolina State University have created affordable paper pumps using capillary action that power portable microfluidic devices. These devices hold promise for use in applications ranging from diagnostics to drug testing, offering advantages such as portability, low cost, and disposability.
Researchers at CCNY Energy Institute developed a sustainable, high-energy-density battery using manganese dioxide and copper. The unique material allows for both high cycle life and high areal capacity, making it suitable for practical applications.
Researchers at the University at Buffalo have developed software that allows a swarm of low-cost drones to quickly map an offshore oil spill. The system uses principles from nature, such as flock dynamics, to optimize communication and data sharing among the drones, enabling them to determine the size of the spill in just nine minutes.
The new battery uses hydronium ions as charge carriers, providing a sustainable alternative to traditional lithium-based batteries. It has the potential for high-power energy storage and stationary grid storage, making it an attractive option for researchers looking for new alternatives.
The study investigates the effects of surface area, total pore volume, and pore size distribution on Li-S battery performances. A porous carbon material with a high micropore volume ratio presents improved electrochemical performances, including high initial discharge capacity and cycle stability.
A QUT study reveals that solar PV systems are being acquired by families with lower incomes, contradicting the long-held notion that it is a luxury reserved for high-income individuals. The research found that financial capacity, education status, and home ownership were not the primary factors driving solar uptake.
Researchers at MIT and Brigham and Women's Hospital have designed a small voltaic cell powered by acidic stomach fluids, generating enough energy to run small sensors or drug delivery devices. This innovation could offer a safer and lower-cost alternative to traditional batteries.
Researchers create adaptive lenses made of glycerin and rubber-like membranes to change the focal length, eliminating the need for bifocals or reading glasses. The lenses are controlled by electronics and a battery, allowing users to switch between near and far vision in just 14 milliseconds.
Researchers at the University of Bath have gained important insights to improve the performance of lithium batteries by adding charged metal atoms. This discovery could lead to faster charging batteries for portable electronics and electric vehicles, benefiting consumers and reducing carbon emissions.
Researchers at UC Riverside developed an innovative energy management system for plug-in hybrids, cutting fuel consumption by over 30% through real-time data analysis. The system combines connected vehicle technology and evolutionary algorithms to optimize power split between engine and battery, achieving greater efficiency.
Duke University researchers have developed a new approach to deep brain stimulation that reduces energy consumption by up to 75% without compromising treatment efficacy. The algorithm uses computational evolution to design tailored patterns for individual patients, leading to improved symptoms and reduced battery replacement procedures.
Researchers found that small solar cells under the skin can generate enough power to fully charge pacemakers or extend their lifespan. This technology has the potential to reduce device replacements and size, saving patients discomfort and stress.
Researchers developed a new setpoint-tracking strategy using fractional calculus to improve the response time and stability of automated systems. The approach outperformed classical integer-order filters in tracking complex paths, offering potential benefits for applications like robotics, self-driving cars, and medical devices.
Researchers at Binghamton University have created a bacteria-powered battery on a single sheet of paper that can power disposable electronics. The device is self-sustained and requires minimal fabrication time and cost.
A KAUST research team created integrated microsupercapacitors with three-dimensional porous electrodes, achieving high energy density of 200 microwatt-hours per square centimeter. The devices outperform state-of-the-art microsupercapacitors and thin film batteries, offering promising applications for self-powered sensors and IoT systems.
A Stanford University study compared battery electric vehicles with hydrogen fuel cell vehicles in a hypothetical future scenario. The results showed that investing in all-electric battery vehicles is a more economical choice for reducing carbon dioxide emissions. Battery electric vehicles offer higher energy efficiency and lower costs...
A UCF scientist has developed filaments that can harness and store sunlight, weaving them into textiles for a breakthrough in wearable technology. The innovation could revolutionize military and civilian applications, including powering smartphones and electric cars.
Sodium-oxygen batteries have shown improved cycle life and rechargeability thanks to a highly concentrated electrolyte solution. The new approach stabilizes DMSO in the presence of sodium, resulting in a passivating protective layer that enhances battery performance.
Chinese scientists have designed a solid composite membrane that mimics biological ion channels with molecular sieve technology to effectively separate lithium ions from contaminants in brines. The approach allows for fast lithium ion flux and selectivity over other ions, making it a promising method for improved lithium extraction.
Researchers at Vanderbilt University have developed a steel-brass battery that can store energy comparable to lead-acid batteries and charge/dischcharge at rates comparable to ultra-fast charging supercapacitors. The secret lies in anodization, a common chemical treatment used to give aluminum a durable finish.
Researchers at NYIT will study new techniques for secure and energy-efficient smartphone authentication. They aim to reduce the battery drain on smartphones while protecting user identity and privacy.
Researchers have created a new type of switch that can instantly connect and disconnect electrical flow, reducing power waste by up to 50% in devices like smartphones and laptops. This technology has the potential to significantly improve energy efficiency and prolong battery life.
Researchers developed a new method to model microgrids using Hybrid Petri Net (HPN), allowing for efficient operation under various conditions. This analysis helps engineers estimate time and cost required for grid component switching, enabling improved microgrid design.
Researchers at Oregon State University have found that organic compounds traditionally known as pollutants can function as a low-cost, long-lasting cathode in dual-ion batteries. The discovery has promising characteristics for storing electricity from wind and solar energy, addressing a key constraint to wider use of clean energy systems.
Researchers developed a fractional order model to estimate Lithium-ion battery charge, reducing errors of up to 1% compared to traditional methods. The model replicated the battery's performance and provided accurate results, promising to reduce drivers' anxiety on the road.
Disney Research has developed a one-legged hopper that runs on battery power, breaking its dependence on off-board power. The robot weighs less than five pounds and can maintain its balance for approximately seven seconds.
Researchers created fibers that can capture and release solar energy, forming a flexible textile for powering small electronics like tablets and phones. The new materials were woven into a 'smart garment' that can be cut and tailored to store power from sunlight.
Researchers at HZDR propose a new mechanism linking planetary tidal effects to the Sun's dynamo, which could drive the 11-year solar cycle. The theory suggests that small forces from Venus, Earth, and Jupiter can initiate oscillations in the alpha effect, leading to polarity reversals.
A new study developed a mixed metal catalyst that enables both charge and discharge reactions in lithium-air batteries, overcoming key barriers to their development. This breakthrough offers opportunities for future research and potential applications in sustainable energy storage.
Chemists have created a new technique to yield highly detailed, three-dimensional images of battery interiors. This approach uses magnetic resonance imaging (MRI) to monitor the condition of batteries in real time, potentially leading to more efficient and safer power sources.
Berkeley Lab scientists create direct method to study electrochemical double layer using 'tender' X-rays, revealing changes in electric potential and charge properties. This breakthrough advances materials design and development of improved electrochemical systems.
Researchers at MIT have discovered a new method for producing metal antimony using electricity, which could lead to more efficient and environmentally friendly metal production systems. The process uses electrolysis to separate the metal from a compound, reducing pollution and energy costs.
Researchers at UMass Amherst have developed a new radio technology called Braidio that allows small mobile devices to offload energy consumption to larger devices, potentially extending battery life hundreds of times. This technology enables proportional sharing of power between devices, reducing the size and weight of wearable devices.
A Northwestern University team has developed a nanomaterial that can store large amounts of electrical energy like a battery and charge rapidly like a supercapacitor, promising to improve electric car efficiency. The material's stability allows for 10,000 charge/discharge cycles, making it suitable for commercial applications.
Researchers at Carnegie Mellon University have developed non-toxic, edible batteries using melanin pigments that can power low-power, repeat applications like drug-delivery devices. The batteries can be used to diagnose and treat diseases with minimal toxicity.
Dr. Jaephil Cho, a top researcher in secondary batteries, has been selected into the list of 'Most Cited Researchers' in Materials Science and Engineering, with eight Korean researchers and five institutions including UNIST making the cut. His research focuses on high-energy-density cathode and anode materials.
The Battery500 consortium is a five-year, $50M project led by PNNL to improve upon today's electric vehicle batteries. The goal is to develop lithium-metal batteries with almost triple the specific energy of current EV batteries, resulting in smaller, lighter and less expensive batteries.