Articles tagged with Ionic Conductivity
Researchers at Virginia Tech have developed a new method for removing frost from surfaces using electrostatic defrosting (EDF), which can remove up to 75% of the frost without the need for heat or chemicals. The approach uses high voltage to polarize the frost, creating an electric field that detaches microscopic ice crystals.
Researchers at South China University of Technology develop a method to solve unstable anode:electrolyte interfaces using digital light processing (DLP) 3D printing. The resulting batteries retain over 91% capacity after 8,000 cycles and achieve stable cycling over 2,000 hours.
Researchers develop a gel polymer electrolyte with a localized high-concentration solvation structure, enabling solid-state batteries to operate at 4.7 V with high energy density and cycling stability. The new electrolyte also exhibits exceptional safety characteristics, including no electrolyte leakage or combustion.
Researchers developed a novel sulfide-based solid electrolyte with exceptional ionic conductivity, achieving high cycling stability and compatibility with various cathode and anode materials. The study enhances the performance of all-solid-state lithium-ion batteries with wide temperature adaptability and long cycle life.
Researchers develop novel function of semiconductor-ionic conductor (SIC) using Cu-Sm co-doping ceria, achieving superionic transport property and excellent fuel cell performance. The co-doped electrolyte features a denser grain network with smaller boundaries, improving ion mobility and supporting strong phase stability.
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.
Researchers at Institute of Science Tokyo have discovered a rubidium-containing material with exceptionally high conductivity, paving the way for solid oxide fuel cells. The material's superior performance is attributed to low activation energy, large free volume, and tetrahedral motion.
Scientists from SANKEN at Osaka University created an electrically controlled nanogate that can be tailored for specific molecules. The gate's diameter was adjusted using voltage, leading to distinct ion transport behaviors. This technology has the potential to enable precise control over molecule transport and reaction systems.
A team of scientists at Linköping University has developed a method to anchor conductive polymers to individual living cell membranes without affecting the cell's functions. This innovation opens up new possibilities for treating neurological diseases with high precision.
Researchers at NIMS developed a next-generation AI device leveraging ion-controlled spin wave interference in magnetic materials, outperforming conventional devices by up to 10 times. The technology enables energy-efficient computations with minimal degradation when miniaturized, opening doors for various industrial applications.
Researchers developed miniature, multifunctional iontronic devices using biocompatible hydrogel droplets, outperforming previous soft iontronic devices. The dropletronics devices can interface with cells and record biological signals, offering a biocompatible approach to direct ionic communication.
Scientists create new organic ionic plastic crystal-based solid electrolytes with high ionic conductivity, promising increased safety and energy density in rechargeable batteries. Material informatics is used to explore optimal structures and predict phase transitions.
Researchers at Kumamoto University have created a new form of graphene oxide without internal pores, significantly improving hydrogen ion barrier properties. The non-porous film exhibits up to 100,000 times better performance than conventional films, with potential applications in protective coatings and rust prevention.
Researchers at Ben-Gurion University's PAI Lab developed groundbreaking multifunctional material-sensors that emulate natural systems, advancing Physical AI. The sensors can process diverse signals concurrently through ions and electrons, enabling versatile and lifelike interactions in fields like robotics and healthcare.
Researchers at Osaka Metropolitan University developed a process to create solid sulfide electrolytes with world-high sodium ion conductivity and glass electrolytes with high reduction resistance. This breakthrough enhances the practical use of all-solid-state sodium batteries.
Bismuth-containing Sillén oxyhalides exhibit exceptional oxide ion conductivity at lower temperatures, paving the way for more efficient solid oxide fuel cells. The materials' high conductivity and stability were achieved through triple fluorite-like layers with interstitial oxygen sites.
Researchers have discovered a new type of pyrochlore-type oxyfluoride with high ionic conductivity and air stability, suitable for electric vehicles, airplanes, and miniaturization applications. The material exhibits low activation energy and operates within a wide temperature range.
Scientists have developed a new biocompatible material that can conduct electricity efficiently in wet environments and interact with biological media. The modified PEDOT:PSS enables the creation of organic electrochemical transistors (OECTs) with high performance and excellent characteristics.
Researchers at Tokyo Institute of Technology have discovered a new type of perovskite oxide with remarkable dual-ion conductivity, promising to revolutionize the development of solid-oxide fuel cells and proton ceramic fuel cells. The material's unique ion migration mechanisms, involving the formation of dimers and efficient proton mig...
Researchers have developed a novel chloride-based solid electrolyte with exceptional ionic conductivity, addressing material limitations that hindered previous attempts. This breakthrough is expected to pave the way for commercialization of solid-state batteries, promising improved affordability and safety.
Researchers have created a fire-inhibiting, nonflammable gel polymer electrolyte for lithium-ion batteries, increasing ion conductivity by 33% and improving life characteristics by 110%. The electrolyte prevents radical chain reactions during combustion, effectively inhibiting battery fires.
A team of researchers at UNIST has developed solid electrolyte materials utilizing metal-organic frameworks (MOFs) to improve the efficiency of hydrogen fuel cells. The new materials demonstrate high hydrogen ion conductivity and durability, holding promise for advancing sustainable energy solutions.
Developed by NIMS and Tokyo University of Science, the new electric double layer transistor operates 8.5 times faster than existing transistors, enabling faster AI processing and potential applications in event prediction, image recognition, and more. The innovation sets a new world record for neuromorphic computing performance.
Researchers from Tokyo Tech have developed a new strategy to produce solid electrolytes with enhanced lithium-ion conductivity, preserving their superionic conduction pathways. The proposed design rule enables the synthesis of high-entropy active materials for millimeter-thick battery electrodes.
Researchers developed a 'dip-and-peel' strategy to create flexible gel films with high conductivity, inspired by the milk-skin effect. These gels have potential applications in wearable electronics and solid-state batteries.
A team of researchers has uncovered nanoscale changes in solid-state batteries that could improve battery performance. They found that high-frequency vibrations at the interface make it harder for lithium ions to move, and discovered an intrinsic barrier to ion motion.
Researchers developed a method to heal and recycle garnet electrolytes with Li dendrite penetration through heat treatment, increasing ionic conductivity and relative density. The recycled pellets showed improved densification and suppressed Li dendrite penetration, enabling higher critical current density.
The study developed conductive hydrogels with high sensing performance, excellent stretchability, and tensile strength, thanks to the use of cationic cellulose nanofiber-dispersed liquid metal. The hydrogels demonstrated a very high sensing sensitivity and good repeatability and durability.
A new Bi-containing compound, LaBi1.9Te0.1O4.05Cl, exhibits high chemical and electrical stability and a high oxide-ion conductivity superior to other materials at low temperatures. The unique mechanism underlying the high conductivity is explained by an interstitialcy migration of oxide ions through the lattice and interstitial sites.
Researchers have synthesized NiO nanospheres with fast switching speed and excellent cycling stability, indicating promising application potential in high-performance electrochromic devices. The as-prepared nanospheres exhibited a fast coloring/bleaching speed and excellent cycling stability.
Researchers observed lithium ions wandering within composite cathodes, revealing limitations in ion delivery that affect battery performance. The findings suggest a previously overlooked development bottleneck for solid-state battery development, highlighting the need to enhance ion transport within cathode composites.
A team of researchers has proposed a new technical route for all-solid-state lithium-based batteries (ASSLBs), overcoming limitations with highly compressible and conductive cathode material. This breakthrough could lead to safer and more energy-dense batteries.
A Berkeley Lab-led team has designed a new type of solid electrolyte consisting of a mix of various metal elements, resulting in a more conductive and less dependent material. The new design could advance solid-state batteries with high energy density and superior safety, potentially overcoming long-standing challenges.
Assistant Professor Mohammad Asadi has published a paper in Science describing the chemistry behind his novel lithium-air battery design, which could store one kilowatt-hour per kilogram or higher. This breakthrough technology has the potential to revolutionize heavy-duty vehicles such as airplanes, trains, and submarines.
Developed by Incheon National University researchers, the new membranes exhibit high mechanical strength, phase separation, and ionic conductivity. The 40% crosslinked membrane showed the highest relative humidity, normalized conductivity, and peak power density, surpassing commercial membranes.
Scientists discover a new mechanism of high proton conduction in hexagonal perovskite-related oxides, utilizing oxygen-deficient layers and water uptake to produce superior proton conductors. These materials can be used for renewable energy production and storage devices, promising a more efficient transition to clean power.
A team of researchers at Osaka University created a thermocouple made of gold and platinum nanowires to measure the temperature directly next to a nanopore. They found that thermal energy was dissipated in proportion to the momentum of the ionic flow, in line with Ohm's law predictions.
A team of researchers from Osaka University has developed a simple system based on electrochemical reactions that can perform complex calculations. The system uses polyoxometalate molecules and deionized water to process information and solve nonlinear problems.
Researchers have developed a new hexagonal perovskite-related oxide with excellent ionic conduction at intermediate and low temperatures, paving the way for efficient solid oxide fuel cells. The material's stability and ion conduction remain dominant in reducing atmospheres.
Scientists have discovered a two-dimensional type I superionic conductor with high ionic conductivity and low thermal conductivity, making it a promising material for batteries, fuel cells, thermoelectrics, and environmental cleanup applications.
Researchers at Osaka University have developed a new method for detecting single DNA molecules directly from individual cells, eliminating the need for subsequent steps. The 3D-integrated nanopore allows for efficient delivery of released DNA molecules to the sensing zone, enabling robust detection and analysis.
Researchers developed a chlorine-substituted Na3SbS4 solid electrolyte with improved ionic conductivity and superior electrochemical stability, enabling long-term stability with Na metal anodes. The Cl substitution allows for three-dimensional ion diffusion pathways and reduces interfacial resistance.
Researchers at UNIST developed a new physical organogel electrolyte with high ionic conductivity and cationic transference number, reducing the risk of explosive leakage in batteries. This breakthrough material enables safer and more efficient use of higher energy electrode materials.