Articles tagged with "energy-density"
Geely to challenge EV rivals with 400 Wh/kg solid-state battery testing
Geely is advancing its solid-state battery technology from laboratory research to real-world application, aiming to complete its first fully integrated all-solid-state battery pack by 2026. This battery pack will then be installed in a test vehicle for performance validation under actual operating conditions, marking a significant step toward future production. The company has consolidated its battery operations under Zhejiang Jiyao Tongxing Energy Technology in 2025, enabling integrated development of battery cells and safety systems. One early product from this effort is the Aegis Short Blade lithium iron phosphate (LFP) battery, with 20 ampere-hour engineering samples already produced. Geely’s experimental solid-state cells reportedly achieve energy densities around 400 Wh/kg, with ongoing testing of various electrolyte materials, including sulfide- and oxide-based types. The broader solid-state battery industry in China is transitioning from fundamental research to full battery pack assembly, vehicle integration, and on-road testing, with some projects entering pilot production. Several automakers and battery suppliers are
energysolid-state-batteryelectric-vehicleslithium-iron-phosphatebattery-technologyenergy-densitybattery-manufacturingWorld’s largest capacity hybrid EV battery unveiled by Chinese firm
Chinese battery maker Svolt Energy has unveiled the world’s largest capacity plug-in hybrid electric vehicle (PHEV) battery pack, the Fortress 2.0, featuring an 80 kWh capacity. Announced at the company’s sixth Battery Day in Changzhou, this battery targets large family (D-segment) vehicles, offering extended electric-only driving ranges to meet growing consumer demand. The pack improves volume utilization and energy density by 6% over its predecessor and supports ultra-fast charging at up to 6C, enabling a charge from 10% to 80% in about 10 minutes under optimal conditions. This development aligns with automakers’ efforts to extend electric operation in hybrids without fully transitioning to battery electric vehicles (BEVs). In addition to the large battery pack, Svolt introduced its 3.5 generation ion oscillation pulse charging technology, which reduces charging time by approximately 25% compared to its previous system without increasing costs. This method optimizes lithium-ion distribution during
energyhybrid-electric-vehiclebattery-technologyfast-charginglithium-ion-batteryelectric-vehiclesenergy-densityNew anode-free battery promises to double EV range in same size
A South Korean research team from POSTECH, KAIST, and Gyeongsang National University has developed a record-breaking anode-free lithium metal battery that nearly doubles the energy density of current electric vehicle (EV) batteries. Achieving a volumetric energy density of 1,270 Wh/L—almost twice the roughly 650 Wh/L of conventional lithium-ion batteries—this innovation could significantly extend EV driving range without increasing battery size. The key advancement lies in eliminating the traditional graphite anode; instead, lithium ions migrate from the cathode and deposit directly onto a copper current collector, freeing internal space to pack more active material within the same volume. Overcoming longstanding challenges with anode-free lithium-metal batteries, such as uneven lithium deposition and dendrite formation that cause short circuits and rapid degradation, the researchers introduced a two-part solution. They combined a Reversible Host polymer framework embedded with silver nanoparticles to guide uniform lithium deposition, and a specially designed electrolyte that forms a stable protective layer (Li₂O
energybattery-technologyelectric-vehicleslithium-metal-batteryanode-free-batteryenergy-densityEV-range-extensionAalo Atomics ships first reactor test modules for nuclear criticality
Aalo Atomics has advanced its goal of achieving first nuclear criticality by 2026 by shipping five reactor test modules to the Idaho National Laboratory (INL). This effort is part of a U.S. Department of Energy pilot program involving 10 advanced reactor developers targeting operational reactors by July 4, 2026. Aalo’s development path starts with the Aalo-0 prototype and the 10-MW sodium-cooled Aalo-X pilot reactor, ultimately scaling to the “Aalo Pod,” which integrates five reactors to produce 50 MW of power aimed at energy-intensive users such as data centers. The company introduces a novel “extra-modular reactor” (XMR) design that bridges the gap between microreactors and small modular reactors (SMRs), using liquid sodium coolant for higher energy density and efficiency compared to traditional water-cooled reactors. The shipped non-nuclear modules will undergo integral effects and steam production tests at INL to validate Aalo’s standardized manufacturing and assembly process
energynuclear-reactorsmall-modular-reactorsadvanced-energy-technologyliquid-sodium-coolantenergy-densityreactor-manufacturingChina reports 824 Wh/kg solid-state EV battery, targets 1,000 Wh/kg
Chinese solid-state battery developer WeLion New Energy has announced a laboratory breakthrough achieving an energy density of 824 Wh/kg in solid-state battery tests, significantly surpassing current EV battery standards. This milestone, revealed by WeLion Chairman Yu Huigen, positions the company at the forefront of the global solid-state EV battery race, with a long-term goal to exceed 1,000 Wh/kg. Such energy density could enable electric vehicles to have much longer driving ranges or lighter battery packs compared to today’s lithium iron phosphate batteries, which typically deliver 150-180 Wh/kg. Solid-state batteries, which use solid electrolytes instead of liquid ones, promise enhanced safety, thermal stability, faster charging, and higher efficiency. Despite this technical progress, WeLion acknowledges substantial challenges remain before large-scale EV deployment is feasible, primarily due to high costs associated with sulfide-based solid electrolytes. As a result, the company plans to initially target niche markets where safety is critical and pricing is less sensitive, such as humano
energysolid-state-batteryelectric-vehiclesbattery-technologyenergy-densityWeLion-New-EnergyEV-battery-innovationLithium-ion batteries achieve 250% higher density with silicon anodes
Scientists at the Center for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW) in Germany have developed a new class of fiber-based silicon anodes for lithium-ion batteries that could increase energy density by up to 250%. Unlike conventional graphite anodes, which store about 370 mAh per gram, silicon theoretically offers over 4,200 mAh per gram, promising significantly higher capacity at comparable cost. However, silicon’s tendency to expand up to 300% during lithium absorption has caused cracking and rapid battery failure in past attempts. The new approach uses flexible, electrically conductive nonwoven fiber substrates to accommodate silicon’s volume changes, preventing damage during charging cycles. The FACILE project, involving regional partners, aims to produce silicon anodes with a practical capacity of at least 1,000 mAh per gram, translating to a substantial boost in battery energy density. The team has begun integrating these anodes into small test cells and plans to refine and scale production for larger cells suitable for electric vehicles (
lithium-ion-batteriessilicon-anodesenergy-densitybattery-technologyrenewable-energy-storageelectric-vehiclesmaterials-scienceNew thick electrodes with higher energy density can skyrocket EV range
Researchers at Penn State University have developed a novel battery electrode technology that significantly increases energy density, potentially enabling electric vehicles (EVs) to achieve much longer driving ranges. By creating thick electrodes that are both denser and mechanically stronger, the team overcame traditional limitations where increasing electrode thickness required high porosity, which reduces the amount of active material and overall energy storage. Their approach involves designing synthetic boundaries within the electrodes that act as reservoirs for charge, facilitating rapid charge transport even in electrodes that are five to ten times thicker and twice as dense as conventional ones. This innovative method, detailed in a paper published in Nature Communications, uses a geology-inspired transient liquid-assisted densification process to form multifunctional synthetic secondary boundaries. These boundaries not only enhance charge transport but also improve mechanical toughness and strain resistance, mitigating degradation during repeated charge cycles. The resulting batteries demonstrated energy densities exceeding 500 watt-hours per kilogram at the cell level, a substantial improvement over current commercial batteries. This advancement could significantly extend EV driving ranges by increasing
energybattery-technologyelectric-vehicleselectrodesenergy-densitymaterials-sciencebattery-innovationChery unveils 600 Wh/kg solid-state battery promising 800-mile range
Chinese automaker Chery has unveiled a prototype solid-state battery module boasting an energy density of 600 Wh/kg, roughly double that of current liquid lithium-ion EV batteries, which typically range from 250 to 300 Wh/kg. This breakthrough could enable electric vehicles to achieve driving ranges of up to 800 miles (1,300 km) on a single charge, significantly surpassing the 311 to 373 miles (500 to 600 km) typical of today’s long-range EVs. The battery features an “in-situ polymerized solid electrolyte” that replaces the flammable liquid electrolyte in conventional batteries, along with a lithium-rich manganese cathode to enhance energy storage and safety. Solid-state batteries also offer advantages such as reduced fire risk, faster charging, longer lifespan, and better performance in extreme temperatures. Chery plans to begin pilot production of this battery in 2026, with mass production targeted for 2027, potentially positioning itself ahead of major Chinese battery makers like BYD and
energysolid-state-batteryelectric-vehiclesbattery-technologyenergy-densitylithium-ion-batterybattery-safetyWhen Lightning Strikes Twice: The Ducati V21L's (Almost) Final Thunder - CleanTechnica
The article highlights Ducati’s groundbreaking V21L electric motorcycle, which has significantly advanced the performance standards of electric racing in the 2025 FIM MotoE World Championship. Weighing just over 216 kilograms after battery improvements, the V21L has consistently broken records and posted lap times competitive with traditional Moto3 combustion-engine bikes. Ducati’s engineering innovations, including higher energy density battery cells, corner-specific traction control, and chassis refinements like an extended wheelbase and adjustable swingarm pivot, have collectively transformed the bike’s handling and speed, effectively closing the gap between electric and combustion racing machines. The 2025 season reached a dramatic climax at the Misano round, where intense competition among riders like Alessandro Zaccone, Mattia Casadei, and Lorenzo Baldassarri kept the championship undecided until the final race in Portugal. Despite the V21L’s dominance and the thrilling racing it enabled, the MotoE series is facing an “indefinite hiatus,” casting uncertainty on the future
energyelectric-motorcyclesDucati-V21LMotoE-World-Championshipbattery-technologyelectric-racingenergy-densityPanasonic's new battery could add 90 miles to Tesla Model Y's range
Panasonic, a major battery supplier for Tesla, is developing a new “anode-free” electric vehicle (EV) battery technology that could increase battery capacity by 25%, potentially adding about 90 miles (145 km) of range to the Tesla Model Y without enlarging the battery pack. This technology eliminates the anode during manufacturing, allowing a lithium metal anode to form upon first charge, which frees up internal space for a higher concentration of active cathode materials such as nickel, cobalt, and aluminum. Besides boosting energy density and driving range, the approach also offers the possibility of producing lighter and cheaper batteries by reducing battery size while maintaining current range, and by lowering the proportion of costly nickel. The announcement comes amid Tesla’s recent market share decline in the U.S. due to increased competition. While Panasonic has not disclosed specific impacts on manufacturing costs or consumer prices, this advancement could provide Tesla a competitive edge in the crowded EV market. Panasonic is not alone in pursuing anode-free battery designs
energybattery-technologyelectric-vehiclesPanasonicTesla-Model-Yanode-free-batteryenergy-densityWhy mass production is the final barrier for solid state batteries
Solid-state batteries hold significant promise for electric vehicles (EVs) by offering higher energy density, faster charging, and improved safety compared to traditional lithium-ion batteries. Lithium-ion technology, which currently powers most EVs and consumer electronics, is nearing its energy density limits—around 260 Wh/kg—necessitating heavier battery packs for longer ranges and requiring cooling systems to prevent thermal runaway. In contrast, solid-state batteries replace the liquid electrolyte with solid materials such as ceramics or polymers, enabling denser electrodes and potentially exceeding 400 Wh/kg energy density with lithium metal anodes. However, this architecture introduces challenges like high interfacial resistance, mechanical stress during cycling, and dendrite formation, which can cause short circuits. Unlike liquid electrolytes that self-heal electrode gaps, solid electrolytes require precise manufacturing techniques to maintain stable interfaces. The main barrier to widespread adoption of solid-state batteries is scaling up manufacturing to automotive levels. Researchers Mihri Ozkan and Cengiz Ozkan from the University of California
energysolid-state-batterieslithium-ionbattery-manufacturingelectric-vehiclesenergy-densitybattery-technologyNew silicon carbide power module delivers 5x energy for grids
The National Renewable Energy Laboratory (NREL) has developed the Ultra-Low Inductance Smart (ULIS) power module, a compact silicon carbide device that delivers five times greater energy density than previous designs while being smaller and lighter. Operating at 1200 volts and 400 amps, ULIS is designed for high-intensity applications such as data centers, microreactors, next-generation aircraft, military vehicles, and power grids. Its key innovation lies in drastically reduced parasitic inductance—seven to nine times lower than current state-of-the-art modules—enabling ultrafast, ultraefficient electrical switching that maximizes usable power output and improves overall energy efficiency. ULIS features a unique flat, octagonal design that allows more semiconductor devices to be housed in a smaller footprint, enhancing compactness and weight reduction. This design also facilitates maximum magnetic flux cancellation, contributing to its low-loss, high-efficiency electrical performance. Additionally, ULIS incorporates advanced self-monitoring capabilities to predict component failures,
energysilicon-carbidepower-moduleenergy-densitypower-gridselectric-vehiclespower-electronicsChina’s new 600Wh/kg lithium battery could double EV energy density
Chinese researchers at Tianjin University have developed a lithium metal battery with an unprecedented energy density of 600 Wh/kg, potentially doubling the energy density of Tesla’s best batteries and quadrupling that of BYD’s Blade batteries. This breakthrough could significantly extend the driving range of electric vehicles (EVs), alleviate range anxiety, reduce battery weight, and enhance performance and efficiency. Additionally, the battery’s high energy density and safety features open up promising applications in electric aircraft and drones, where extended flight times and reliability are critical. The team achieved this advancement by rethinking the traditional lithium-ion solvation structure, creating a more flexible, non-localized interaction between lithium ions and solvent molecules. Using machine learning to optimize lithium salts and solvents, and incorporating fluorine to enhance thermal stability, the battery demonstrated remarkable safety characteristics: it operates at temperatures as low as -60 °C without freezing, resists ignition under open flame, and withstands nail penetration tests. Early tests showed stable performance after 90 charge cycles and
energylithium-batteryelectric-vehiclesbattery-technologymaterials-scienceenergy-densityelectric-aircraftChinese firm unveils solid-state batteries with 136 Wh/lb energy density
Anhui Anwa New Energy Technology, a Chinese company partly owned by automaker Chery and battery maker Gotion High-Tech, has unveiled its first batch of solid-state battery samples with an energy density of 136 watt-hours per pound. These first-generation batteries meet the new ‘No Fire No Explosion’ safety standard and were produced at Anwa’s factory in China’s Wuhu Economic and Technological Development Zone. The company employs a fully integrated production line with a five-step dry manufacturing process that reduces energy consumption by 20% and fixed asset investment by 30%, enhancing sustainability and cost-effectiveness. Anwa plans to expand its facility with a 5 GWh solid-state battery R&D center and a fully automated production line to support large-scale manufacturing. Anwa has begun trial production of second-generation solid-state battery packs expected to reach an energy density of approximately 181 watt-hours per pound, a significant improvement over the first generation. The company aims to start mass production of third-generation batteries by
energysolid-state-batteriesbattery-technologyenergy-densitybattery-manufacturingsustainable-energyelectric-vehiclesNascent Materials emerges from stealth to make LFP batteries better and cheaper
Nascent Materials, a startup founded by Chaitanya Sharma, has emerged from stealth mode with a novel manufacturing process aimed at improving lithium-ion battery cathodes, specifically lithium-ion-phosphate (LFP) and lithium-manganese-iron-phosphate (LMFP) materials. Sharma, who has experience at Tesla’s Gigafactory and iM3NY, developed a method that can enhance cathode energy density by up to 12% while reducing production costs by 30%. Unlike pursuing new battery chemistries, Nascent focuses on optimizing material processing to achieve more consistent particle size and shape, which improves packing density and overall battery performance. The process also consumes less energy and can utilize lower-purity raw materials, potentially broadening domestic supply sources. Nascent’s approach addresses significant supply chain challenges, particularly the inconsistent quality of cathode materials available to smaller manufacturers, a problem Sharma witnessed firsthand at iM3NY. By providing more reliable and locally sourced materials, Nascent aims to reduce
energylithium-ion-batteriescathode-materialsLFP-batteriesbattery-manufacturingenergy-densitybattery-technologyChangan Solid State Battery Will Unlock Up To 1500 Miles Of Range - CleanTechnica
energysolid-state-batterieselectric-vehiclesbattery-technologyenergy-densityautomotive-innovationclean-energyMIT’s sodium fuel cell could fly electric planes while sucking CO2
energyfuel-cellelectric-aircraftsodium-air-batteryrenewable-energycarbon-captureenergy-density10x thicker EV battery electrodes with metal fleece offer 85% more power
energyEV-batteriesbattery-technologymetal-fleeceenergy-densitycharge-transportelectric-vehiclesFirst all-solid-state battery line to set stage for next-gen EVs
energyelectric-vehiclessolid-state-batteriesbattery-technologyGotionEV-innovationenergy-densitySolid-state battery breakthrough promises 100x charging power
solid-state-batteriesenergy-storagesodium-batteriesionic-conductivitysustainable-materialsbattery-technologyenergy-density