Electrochemical Energy
Articles tagged with Electrochemical Energy
Smart AI gives electric vehicle batteries 23 per cent longer life – without increasing the charging time
Researchers at Chalmers University of Technology developed an AI method that adapts fast charging to the health of the battery, increasing its lifespan by almost 23%. The new strategy uses reinforcement learning and takes into account the battery's chemistry and state of health.
Why solid-state batteries keep short circuiting
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
NSF CAREER Award supports research to create opportunity from nitrate pollution
A University of Virginia researcher is developing an alternative method to remove nitrate from wastewater by converting it into valuable chemical products. The project uses electrocatalysis and modulation excitation spectroscopy to optimize the conversion process, aiming to reduce energy consumption and environmental impact.
A clear view to better batteries
Researchers at Washington University in St. Louis developed an operando microscopy platform to study lithium plating in batteries. The platform revealed the conditions under which plating occurs, allowing for the development of performance maps to optimize fast-charging protocols and enhance battery performance.
Frontiers in Science Deep Dive webinar series: How bacteria can reclaim lost energy, nutrients, and clean water from wastewater
Researchers explore how METs convert organic waste into electricity, fuels, fertilizers, and usable water. Pilot deployments demonstrate its potential to reclaim energy from 359 billion cubic meters of wastewater annually.
How bacteria can reclaim lost energy, nutrients, and clean water from wastewater
Emerging microbially-powered technologies can convert up to 35% of wastewater's chemical energy into electricity and extract valuable nutrients. This approach could power agriculture, global sanitation and its own treatment, while reducing pollution and overcoming regulatory obstacles.
Watching a critical green-energy catalyst dissolve, atom by atom
Researchers at Duke University and the University of Pennsylvania observed iridium oxide nanocrystals restructure and dissolve atom by atom during electrolysis. The findings provide critical insight into why current catalysts fail and how future materials might last longer, paving the way for sustainable energy solutions.
Batteries from rust? Carbon spheres filled with iron oxide deliver high storage capacity
Researchers at Saarland University have developed carbon spheres filled with iron oxide, achieving promising results for environmentally friendly lithium-ion batteries. The material's storage capacity increases over time as the iron oxide is electrochemically activated, making it a potential solution for renewable energy storage.
Electric eel biology inspires powerful gel battery
Researchers at Penn State develop a hydrogel-based battery that mimics the electrical processes of electric eels, producing higher power densities than previous designs. The battery is non-toxic, flexible, and environmentally stable, making it suitable for biomedical applications.
A pendulum-based system allows energy to be extracted from ocean currents
Researchers have designed a pendulum-based system that extracts energy from ocean currents using water-induced vibrations. The device achieves around 15-17% efficiency, comparable to other cylinder vibration systems, but with a simpler structure, potentially suitable for tidal and river environments.
Plant-based hydrogel tames zinc dendrites, pushes aqueous batteries past 1 000 stable cycles
A new plant-based hydrogel has been developed to tackle the problem of metallic zinc growing needle-like dendrites that short-circuit cells within a few hundred cycles. The cellulose-nanofiber dual network boosts ion flow and mechanical strength, delivering a cheap and biodegradable electrolyte.
Illinois Tech researcher finds where lithium ions reside in new solid-state electrolyte that could lead to improved batteries
Researchers at Illinois Tech developed a new material with high ionic conductivity and low activation energy, enabling the efficient storage and release of energy. The material's unique structure allows lithium ions to move freely, even at cold temperatures, making it promising for applications in electric vehicles and energy storage.
Electrocatalytic glycerol valorization: from catalyst design to integrated systems
Researchers have developed electrocatalytic glycerol oxidation (GOR) technology to convert waste glycerol into valuable chemicals. The process offers an energy-efficient alternative to traditional oxygen evolution reaction, producing high-value products like dihydroxyacetone and glyceric acid.
Magnetic control of lithium enables a safe, explosion-free ‘dream battery’
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.
Failure mechanisms in PEM water electrolyzers
Anode degradation in PEM water electrolyzers arises from chemical, electrochemical, mechanical, and impurity-driven processes. Advanced diagnostics and mechanism-informed lifetime models are needed to develop durable and cost-effective systems.
Breakthrough iron-based magnetic material achieves major reduction in core loss
A new iron-based magnetic material achieves a 50% reduction in core loss compared to initial amorphous materials, particularly in the high-frequency range. This breakthrough is expected to contribute to next-generation transformers and EV components, leading to more energy-efficient electric machines.
Inexpensive materials transform waste carbon into energy-rich compounds
Researchers have discovered a novel approach to converting waste carbon into useful products using porous separators called diaphragms. These diaphragms can withstand the harsh conditions of the process and maintain efficiency over an extended period, making them a viable alternative to existing membranes.
Scientists unlock new energy potential in iron-based materials
Researchers have discovered a way to increase the energy state of iron in materials, enabling the creation of higher-voltage batteries. The breakthrough could also aid the development of superconductors and magnetism applications.
How unlocking ‘sticky’ chemistry may lead to better, cleaner fuels
A new study reveals that the strength of carbon monoxide adsorption energy relies on a mix of reaction factors, including catalyst material and voltage. This insight can guide the design of more efficient catalysts to convert CO2 into useful fuels like methanol and ethanol.
Manganese’s resilience is key to its use as a catalyst
Researchers discovered manganese's unique ability to act as a catalyst when electrical voltage fluctuates, making it suitable for applications like wind and solar energy. Manganese's regeneration under the Guyard reaction enables its use over repeated cycles, crucial for sustainable reactions.
Data for a better vanadium flow
Scientists at PSI have developed a dynamic database for vanadium, crucial for storing surplus wind and solar power. The database provides reliable data on raw materials, including ore deposits, mining volumes, and prices, to facilitate long-term investment and policy decisions.
3D-printed fuel cells may power future aerospace technologies
Researchers at DTU Energy and DTU Construct developed a new fuel cell design using 3D printing and gyroid geometry for improved surface area and weight. The Monolithic Gyroidal Solid Oxide Cell delivers over one watt per gram, making it suitable for aerospace applications.
Transparent mesoporous WO₃ film enhances solar water splitting efficiency and stability
A newly developed mesoporous WO₃ film exhibits exceptional efficiency and stability for photoelectrochemical water splitting, enabling advanced tandem devices for renewable hydrogen production. The film achieved unprecedented efficiency and long-term stability, particularly in neutral pH conditions.
Order to disorder at the atomic scale opens possibilities for next-generation electronic devices
Researchers at the University of Pennsylvania have discovered a way to synthesize new multi-metal 2D materials by adding up to nine metals into the mix. This finding opens up possibilities for designing materials with precisely controlled properties for diverse applications.
Researchers use electrochemistry to boost nuclear fusion rates
Researchers at the University of British Columbia have demonstrated that electrochemically loading a solid metal target with deuterium fuel can increase fusion reaction rates by an average of 15%. The approach uses a room-temperature reactor and achieves this boost without generating heat, paving the way for clean energy generation.
Lattice Cl− reconstruction in a ternary hydroxychloride pre-electrocatalyst for efficient saline water oxidation
A ternary NiFeCo hydroxychloride-derived electrocatalyst shows improved SWO activity and stability, attributed to lattice Cl− reconstruction and in-situ Raman analysis. The material outperforms other catalysts in terms of overpotential and Tafel slope.
Solid-state batteries charge faster, last longer
Researchers have developed solid-state batteries that can charge in a fraction of the time and pack more energy into less space than traditional lithium-ion versions. These batteries use stable solid materials instead of liquid electrolytes, enabling faster charging, reduced safety risks, and improved efficiency.
Spotting bad batteries before they malfunction
Researchers at Drexel University have developed a low-cost, accessible method to detect structural defects and damage in lithium-ion batteries using ultrasound technology. The technique can identify gas presence, material deficiencies, and other issues that may cause electrical shorts or performance hampers.
Materials: metal-organic frameworks with metallic conductivity
Scientists at KIT have produced an MOF in thin-film form that exhibits metallic conductivity, enabling new possibilities for electronic components and applications. The breakthrough was achieved using a self-driving laboratory and precise control over crystallinity and domain size.
Discovery could boost solid-state battery performance
Researchers at the University of Texas at Dallas have discovered a way to improve solid-state battery performance by creating a 'space charge layer' that enhances ion movement. This breakthrough could lead to better-performing batteries with improved safety and increased energy storage capacity.
Hierarchically porous N-doped carbon confined single-atom Fe catalyst for efficient electrochemical CO2 reduction
Researchers developed a highly active and selective electrocatalyst for CO2 reduction to CO, outperforming existing Fe-based catalysts. The hierarchical porous structure facilitated exposure of active sites and reduced valence state of Fe centers.
Machine learning driven high-throughput screening of S and N-coordinated SACs for eNRR
Researchers developed a high-throughput screening method using density functional theory and machine learning to identify optimal single-atom catalysts (SACs) for eNRR. The approach significantly accelerated the discovery process, outperforming traditional trial-and-error methods.
"Stronger together: Interlocked electrodes push silicon battery lifespan beyond limits"
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.
Dongguk University scientists uncover novel battery design for industrial energy storage
Researchers at Dongguk University have created a graphene coating that supercharges zinc-ion batteries for grid use, overcoming safety issues and enabling high-performance industrial energy storage. The new technology supports roll-to-roll manufacturing, bringing affordable energy storage closer to commercialization.
OU researchers improve stability, efficiency of electrochemical devices important to sustainable energy production
Researchers from the University of Oklahoma have made significant breakthroughs in protonic ceramic electrochemical cells (PCECs), addressing challenges in manufacturing and efficiency. A new approach eliminates cerium-based materials, allowing pure barium zirconate-based electrolytes to remain stable at record-low temperatures.
New microscope reveals heat flow in materials for green energy
Scientists have developed a new microscope that accurately measures directional heat flow in materials. This advancement can lead to better designs for electronic devices and energy systems, with potential applications in faster computers, more efficient solar panels, and batteries.
Green nickel for sustainable electrification
Researchers at Max Planck Institute for Sustainable Materials have developed a carbon-free method to extract nickel from low-grade ores in a single step, reducing CO2 emissions by 84% and increasing energy efficiency. The approach enables the use of low-grade nickel ores, which account for 60% of total nickel reserves.
“Faster charging, longer lifespan”: Next-generation battery breakthrough from POSTECH and KIER
Researchers developed a novel anode material combining hard carbon with tin, enhancing energy storage and stability. The composite structure shows excellent performance in lithium-ion and sodium-ion batteries, promising applications in electric vehicles and grid-scale energy storage.
Electrochemical method supports nitrogen circular economy
Researchers developed an electrochemical approach to convert harmful nitric oxide emissions into high-purity nitric acid, reducing industrial nitrogen waste and promoting sustainable pollution mitigation. The process operates at near-ambient conditions with minimal infrastructure, offering economic and environmental benefits.
Novel material holds promise for tech to convert CO2 into fuel
Researchers at North Carolina State University have developed a novel material that can convert carbon dioxide from the atmosphere into a liquid fuel. The material, called tincone, has both organic and inorganic properties, which improve its stability and electrochemical properties.
NTU Singapore scientists develop solar-powered method to convert sewage sludge into green hydrogen and animal feed
Scientists at NTU Singapore have developed a solar-powered method to transform sewage sludge into green hydrogen and single-cell protein, reducing environmental damage and creating renewable energy and sustainable food. The three-step process recovers 91.4% of organic carbon and converts 63% into single-cell protein without producing h...
Tsinghua University researchers outline energy storage roadmap for China’s carbon-neutral power systems
The study provides a techno-economic foundation and policy blueprint to align storage deployment with regional needs, ensuring a reliable transition to carbon neutrality. Electrical energy storage plays a critical role in balancing supply-demand mismatches and enhancing grid flexibility.
Using batteries to produce hydrogen peroxide from air for industrial applications
Researchers at IISc have developed an onsite production strategy for hydrogen peroxide using a zinc-air battery. The process generates H2O2 while degrading toxic dyes, making it a low-cost and highly energy-efficient method. This approach has the potential to be scalable and can be used in various applications.
Eco friendly, inexpensive system for storing high-power energy from pine biomass
Researchers from the University of the Basque Country have developed a hybrid supercapacitor using carbon from Pinus radiata waste, offering a cost-effective and sustainable alternative for improving conventional lithium-ion capacitors. The system stores high-power energy and can withstand many charge-discharge cycles.
Revealing ionically isolated Li loss in practical rechargeable Li metal pouch cells
Researchers found that applying external pressures can alleviate Li loss and battery degradation by alleviating SEI aggregation. Pressure regulation can rejuvenate I-iLi, reducing its content and Li loss. The study suggests a promising approach for advancing practical Li metal batteries.
Progress toward a new generation of rechargeable batteries
A Chinese team proposes adding a soluble catalyst to electrolytes in lithium-air batteries, enhancing charge transport and counteracting electrode passivation. The addition improves the batteries' performance and lifespan by reducing overpotential and increasing discharge capacity.
The ins and outs of quinone carbon capture
Quinone-based carbon capture systems have been found to trap and release CO2 from the atmosphere through two distinct mechanisms. The study provides critical insights into the interplay of electrochemistry in these safer systems.
Breakthrough in photochemical water oxidation: Paving the way for sustainable energy
Researchers at Institute of Science Tokyo have identified key factors driving photochemical water oxidation. By fine-tuning reaction potential and pH conditions, they enhance the efficiency of this process, paving the way for more sustainable energy solutions.
Chungnam National University researchers uncover breakthrough in copper-zinc electrodes for electrochemical CO₂ reduction
Researchers at Chungnam National University have developed copper-zinc electrodes that can stabilize over time through recycling, preserving their catalytic effectiveness and selectivity for valuable hydrocarbons. This innovation has significant implications for the conversion of CO₂ into sustainable fuels or chemicals.
Plasma-derived atomic hydrogen advances low-temperature CO2 methanation at high yield
Scientists developed a new method using plasma-derived atomic hydrogen to enable low-temperature carbon dioxide methanation. The findings show that PDAH can improve methane yield at low temperatures and provide a promising avenue for efficient CO2 recycling.
Leveraging machine learning to find promising compositions for sodium-ion batteries
A team of scientists leveraged machine learning to find promising compositions for sodium-ion batteries, achieving exceptional energy density. The study trained a model on a database of 100 samples to predict the optimal ratio of elements needed to balance properties like operating voltage and capacity retention.
Synthesis of a cost-effective, high-durability non-noble metal alloy anode as an alternative to iridium oxide anodes
Researchers developed a high-entropy alloy anode composed of nine non-precious metal elements, demonstrating remarkable durability and low production cost. The new anode outperforms conventional iridium oxide anodes in organic hydride electrolytic synthesis, potentially advancing large-scale hydrogen supply chain development.
Reactor developed at Rice could make direct air capture more energy efficient
Rice University researchers developed an electrochemical reactor to reduce energy consumption in direct air capture. The new design has achieved industrially relevant rates of carbon dioxide regeneration and offers flexibility, scalability, and lower capital costs.
With “electro-agriculture,” plants can produce food in the dark and with 94% less land, bioengineers say
Researchers propose a method called electro-agriculture that can produce food without sunlight, reducing the need for agricultural fields by 94%. The method uses a solar-powered chemical reaction to convert CO2 into acetate, which is then used by genetically engineered plants to produce energy and carbon.
Bubble findings could unlock better electrode and electrolyzer designs
A new study of bubbles on electrode surfaces could help improve the efficiency of electrochemical processes by understanding how blocking effects work. The findings show that only a smaller area of direct contact is blocked from its electrochemical activity, not the entire surface shadowed by each bubble.
HSE scientists have developed a new model of electric double layer
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.
Innovative electrolytes could transform steelmaking and beyond
Researchers at Argonne National Laboratory have developed innovative electrolytes that can improve the efficiency of electrochemical processes, including steel production. The new electrolytes are designed to reduce greenhouse gas emissions by eliminating energy-intensive blast furnaces.
Scientists at the CNIC discover an unexpected involvement of sodium transport in mitochondrial energy generation
Researchers at the CNIC found that respiratory complex I possesses sodium transport activity essential for efficient cellular energy production. This discovery provides a molecular explanation for Leber's hereditary optic neuropathy and may have implications for other neurodegenerative diseases.
Enhanced ion diffusion kinetics achieved through interpenetrated structures in electrochemical energy storage devices
Researchers developed interpenetrated electrode structures to enhance ion diffusion kinetics in electrochemical energy storage devices. The design reduced ion concentration gradients and increased surface area, leading to improved performance at low temperatures.