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Showing posts with the label fuel cells

Solid oxide fuel cell continuous thickness-gradient electrolyte: localized thermal stress mitigation/ up to 76% less current density deviation

https://www.eurekalert.org/news-releases/1142380 "planar solid oxide fuel cells localized overheating/ thermal stress caused by uneven fuel concentration/ current density distributions across cell... overcome applying YSZ electrolyte: thicker at fuel-rich inlet suppressing excessive current/ thinner at fuel-depleted outlet boosting reaction rates... scalable wet-spraying fabrication on industrial-sized 10×10 cm cells... up to 10% increased electrical efficiency... long-term durability, significantly reduced voltage loss...  high-efficiency fuel cells/ electrolysis stacks"

Surface cations doubling air electrode catalysis in reversible solid oxide cell hydrogen energy conversion/ high-temperature electrolysis

https://www.eurekalert.org/news-releases/1139969 "air electrodes' slow oxygen ion exchange rate overcome replacing gadolinia-doped ceria auxiliary conductors with proton conductor balancing ionic/ electronic conductivity, based on machine-learning interatomic potential simulations of nearly 3K interface structures... strong built-in interfacial potential accelerates oxygen vacancy formation/ ion migration... peak power density 7.08 W/cm² (fuel cell), 7.88 A/cm² (water electrolysis), representing 2.6X and 4.4X improvements respectively... scalable"

Zero-carbon-emission coal fuel cell directly creates electricity; avoids cycle of: burning coal/ creating heat/ boiling water/ spinning turbine

https://interestingengineering.com/energy/chinas-converts-coal-into-electricity "coal pulverized, dried, purified increasing reactivity, fed into anode, oxygen fed into cathode, electrochemical reaction occurs across oxide membrane: electrons stripped from coal's carbon atoms creating electric current... CO2 byproduct concentrated/ pure, captured, converted into stable solids like baking soda or used as feedstock for syngas... >50% efficient... scaling to GW-scale power plant involves  engineering; oxide membrane durability/ catalyst costs"

Treating interface with acid overcomes high electrical resistance, tripling fluorine-free graphene oxide fuel cell power density to 0.7 W/cm²

https://techxplore.com/news/2026-04-interface-tweak-triples-graphene-oxide.html "activates nanosheets' surface chemistry before sandwiching between electrodes, drastically reducing resistance at contact point, allowing far more efficient proton movement across interface... eco-friendly cell rivals performance of commercial fluorine-based membranes under similar conditions... universal strategy: interface design isn't exclusive to graphene oxide; it can be applied to other nanosheet and polymer membranes to boost efficiency across various types of fuel cells"

Overcoming Norby gap tradeoff by maintaining high proton conductivity and chemical stability in ceramics at 200–400 °C

https://www.eurekalert.org/news-releases/1116319 "protons become stuck near dopant atoms, overcome using donor co-doping: donor elements molybdenum/ tungsten into barium scandate base (having inherent oxygen vacancies) achieves: proton trapping suppression allowing protons to move freely in 3D, high mobile protons concentration... resulting perovskite-type oxide exhibits superprotonic conductivity of 0.01 S/cm at 193°C/ 0.10 S/cm at 330 °C... chemically stable around CO2, O2, H2... protonic ceramic fuel cells, efficient hydrogen-to-electricity"

Palm-size solid oxide fuel cell reactor overcomes >600°C thermal management/ safety barriers that cause small-scale reactors to crack

https://techxplore.com/news/2026-01-handheld-fuel-cell-reactor-rapid.html "cantilevered yttria-stabilized zirconia ceramic minimizes heat conduction/ prevents structural failure, using multilayer insulation trapping heat internally allowing safe touch while reaching operating temperatures in 5 minutes (was 30)... if insulation punctured, temperature drops rapidly below the hydrogen ignition point within 5 minutes... up to 4X gravimetric energy density benefit high-drain edge devices: drones, compact robotics, AI hardware, scalable high-density off-grid power" Related: One device, two futures: How reversible solid oxide cells could reshape clean energy https://www.eurekalert.org/news-releases/1124057 Breakthrough: CO2-tolerant Cathodes for Solid Oxide Cells https://www.miragenews.com/breakthrough-co2-tolerant-cathodes-for-solid-1701080/ Low-temperature solid oxide fuel cells with record W/cm² at just 650°C https://eng.umd.edu/news/story/solid-oxide-fuel-cell-breakthrough H2 Ho...

Nafion™ membranes in proton exchange fuel cells enhanced by adding sulfonated clay/ carbon nanotubes

https://frontis-energy.com/tag/materials-for-renewable-and-sustainable-energy "Nafion™ degrades structurally/ rapidly losing efficiency above 80°C, dehydrating at high temperatures/ low humidity, making protons less conductive... synergistic effect: sulfonated clay enhances water-attraction, carbon nanotubes improves structural integrity/ reinforces conductivity pathways... at 120°C/ 20% relative humidity: 443 mW/cm² Peak Power (4x higher than standard Nafion™, 42.3 mS/cm conductivity at low humidity, glass transition (thermal stability limit) 150 (was 120°C), better durability" Related: First-of-Its-Kind: Ionysis, ReCatalyst and EKPO Demonstrate PFAS‑Free Fuel Cell Stack https://fuelcellsworks.com/2026/03/20/energy-innovation/first-of-its-kind-ionysis-recatalyst-and-ekpo-demonstrate-pfas-free-fuel-cell-stack Review of Polybenzimidazole-Based Membranes in Energy Storage and Conversion Devices: Conductivity Optimization Modification Strategies https://pubs.acs.org/aapmcd/a...

Tree-like nitrogen-doped carbon support structure significantly boosts performance and durability of low-platinum loaded fuel cells

https://www.eurekalert.org/news-releases/1103817 "barriers to hydrogen-powered vehicles: platinum catalyst nearly 40% total system cost/ limited cell lifespan, overcome using multi-walled carbon nanotube conductive backbone/ ZIF-8-derived carbon as branches providing abundant sites for platinum group metals, enhancing corrosion resistance through high graphitization... low 0.1 mgPt/cm² platinum loading, 12.7% increased electrode peak power density, 30% reduced concentration loss, >25K hours stable operation, 50.8% of original performance after 5K cycles" Related: Designing the heart of hydrogen cars: AI points to zinc as key for stable fuel cell catalysts https://techxplore.com/news/2026-02-heart-hydrogen-cars-ai-zinc.html Fullerenol additive unlocks high performance in low-platinum hydrogen fuel cells via synergistic microenvironment engineering https://www.eurekalert.org/news-releases/1125727

Comb-like crosslinked polymer-polyoxometalate nanocomposite achieves unparalleled proton conduction/ mechanical robustness without water

https://www.eurekalert.org/news-releases/1102155 "self-assembly enables precise control: polyoxometalate hybrid comb-like crosslinked polymer networks integrate polymer scaffolds with superacidic phosphotungstic acid clusters in PEM high-temperature fuel cells... overcomes: struggle with rapid conductivity loss under anhydrous conditions >100°C, trade-off between conductivity/ strength... proton conductivity: 8.5 × 10−4 S·cm−1 at 130 °C, up to 18.1 MPa mechanical strength, consistent operation >160 hours, thermal stability at >150 °C" Related: What makes a good proton conductor? https://www.eurekalert.org/news-releases/1109723 Axial sulfur-coordination engineering boosting Fe–N–C catalysts for high-performance proton exchange membrane fuel cells https://www.eurekalert.org/news-releases/1130752

Platinum, graphene-protective layer and porous carbon extends fuel cell life beyond 200,000 hours, paving way for clean long-haul trucking

https://samueli.ucla.edu/ucla-breakthrough-extends-fuel-cell-lifespan-beyond-200000-hours-paving-the-way-for-clean-long-haul-trucking/ "polymer electrolyte membrane fuel cell... 1.08W/ square cm power output, same performance as conventional batteries weighing up to 8X more... diminished catalytic performance: alloying elements leach out over time, voltage cycles required to power heavy-duty vehicles are demanding... overcome nesting graphene-encased nanoparticles inside porous Ketjenblack carbon powder... <1.1% power loss after 90K square-wave voltage cycles" Related: Patterned electrode ingeniously designs micro-pillar overpass so low-Platinum fuel cells go full throttle https://www.eurekalert.org/news-releases/1123018

Strontium- iron- cobalt metal oxide crystal that releases and captures oxygen on demand could improve solid oxide hydrogen fuel cells

https://newatlas.com/materials/breathing-crystals-oxygen-fuel-cells/   "durable, efficient electricity production... heated to relatively low temperature of about 752°F (previously much higher temperatures, for oxygen control)... replaces other materials that were too fragile to use repeatedly... smart materials that can adjust in real time... clean energy, electronics, even eco-friendly building materials... in addition to fuel cells, can be used in: thermal transistors that control heat transfer in electronics, smart windows for adjusting heat flow as needed to maintain indoor temperatures" Related: Cobalt exsolution technique boosts solid oxide fuel cell performance https://techxplore.com/news/2025-10-cobalt-exsolution-technique-boosts-solid.html Advanced cobalt-based catalysts can boost efficiency in hydrogen fuel cell vehicles and cut costs https://techxplore.com/news/2025-10-advanced-cobalt-based-catalysts-boost.html DGIST develops new alloy catalyst to enhance next-gen...

Hydration doubles oxide-ion conductivity at 500°C in Ba7Nb4MoO20, a promising ceramic electrolyte for low-temperature solid oxide fuel cells

https://www.eurekalert.org/news-releases/1094289 "increases interstitial oxygen ions... solid oxide/ proton ceramic fuel cells don't need precious metal catalysts, but require temperature as high as 1,000°C accelerating material degradation... overcome using Ba7Nb4MoO20 at lower temperature, exposed to water vapor improving conductivity/ diffusivity... hexagonal perovskite-related oxide where oxide ions migrate through interstitial sites in oxygen-deficient cubic close packed layer in its crystal structure... ion conductors used in fuel-/ steam electrolysis-cells" Related: Atomic 'CT scan' reveals how gallium boosts fuel cell catalyst durability https://phys.org/news/2025-09-atomic-ct-scan-reveals-gallium.html Flexible solid electrolyte unlocks high-performance fuel cells across extreme temperatures https://www.eurekalert.org/news-releases/1099564

Catalyst of platinum nanoparticles protected with graphene nanopockets enhances fuel cell lifetime, durability and efficiency

https://phys.org/news/2025-04-pt-nano-catalyst-graphene-pockets.html#google_vignette "overcomes catalysts' tendency to gradually dissolve, some atoms redepositing onto other particles, causing them to become larger, reducing catalyst area that can speed up reactions, causing performance decline... protected nanoparticles supported/ confined within Ketjenblack carbon pores... 0.74 A mg⁻¹ initial mass activity, 1.08 W cm⁻² power density, <1.1% power loss after 90K voltage cycle accelerated stress test, >200K hour lifetime... future: advanced carbon support, electrode architecture, ionomer components" Related: UCLA Breakthrough Extends Fuel Cell Lifespan Beyond 200,000 hours https://www.eurekalert.org/news-releases/1082000 CeO2-supported bi-layer Pt clusters enable efficient stable anti-Markovnikov alkene hydrosilylation https://www.eurekalert.org/news-releases/1093191 Armor-plated platinum catalyst unlocks durable fuel cells https://www.eurekalert.org/news-releases/11...

Rubidium-containing material with exceptional oxide-ion conductivity and stability for lower temperature/ cost solid oxide fuel cells

https://www.eurekalert.org/news-releases/1074416 "superior performance due to low activation energy, large free volume, tetrahedral motion... can run on hydrogen, natural gas, biogas, or certain liquid hydrocarbons... overcomes cost, durability, operating temperature range issues... crystalline Rb-containing oxides have larger lattice/ free volumes, leading to lower activation energy for oxide-ion conductivity... palmierite-type oxide materials exhibited low energy barrier for oxide-ion migration... oxide-ion conductivity 29X that of yttria-stabilized zirconia" Related: Single GeoPura's HPU2 hydrogen fuel power  equivalent of 1,200 average UK homes for a day https://www.renewableenergymagazine.com/hydrogen/extreme-h-tests-pioneering-new-hydrogen-power-20250603 The Prospects of Developing Ultrahigh Energy Efficiency Hydrogen–Oxygen Fuel Cell https://pubs.acs.org/doi/10.1021/acs.energyfuels.5c02810

Breakthrough in hydrogen fuel cell technology promises to change green energy

https://billiondollarclub.com/breakthrough-in-hydrogen-fuel-cell-technology-promises-to-change-green-energy/ "cheaper materials, powerful 1 kW, smaller than lunchbox... extending EV range, off-grid, laptops/ smartphones... future: significantly lowering costs even more" Related: Ricardo’s Hydrogen Fuel Cell Module Successfully Reaches 100% Power https://bunkermarket.com/ricardos-hydrogen-fuel-cell-module-successfully-reaches-100-power/ Honda halves fuel cell production costs while simultaneously increasing power density threefold https://energynews.biz/hondas-hydrogen-breakthrough/ Plant leaves inspire design of improved fuel cells with 30% increased peak power density https://techxplore.com/news/2025-04-fuel-cell.html Ultra-thin membrane enables high-efficiency hydrogen fuel cells for transport and industry https://techxplore.com/news/2026-05-ultra-thin-membrane-enables-high.html

Nissan fueled by renewable bio-ethanol 70% efficient solid oxide fuel cell

https://www.eldiario24.com/en/not-toyota-not-hyundai-this-engine/6243/ "produces electricity by combining oxygen and bio-ethanol... CO2, water released as byproducts... no need for hydrogen storage, due to on-site converting widely accessible/ renewable bio-ethanol into hydrogen... strong catalytic activity fostered by high operating temperatures" Related: Toyota claims the third-generation fuel-cell stack is 1.2 times more fuel-efficient than the previous generation, allowing for a 20% improvement in range https://www.greencarreports.com/news/1145782_toyota-fuel-cell-stack-v3-hydrogen-cars Composite bipolar plates provide 81% improvement to hydrogen fuel cell power density https://www.compositesworld.com/articles/composite-bipolar-plates-provide-81-improvement-to-hydrogen-fuel-cell-power-density High-oxygen vacancy cerium catalysts with NiFe alloy heterostructures: A pathway to efficient and stable biomass ethanol fuel tubular solid oxide fuel cells https://www.eurekalert.or...

Fuel cell with phosphonic acid polymer electrolyte and hydrocarbon spacers overcomes barriers in >100°C, low-humidity use

https://www.eurekalert.org/news-releases/1067493 "unlike PFAS, phosphonic acid hydrocarbon polymers do not contain fluorine... Noro overcomes phosphonic acid's poor conductivity/ hydrophilic nature by using hydrophobic spacer between polymer backbone/ phosphonic acid, enabling water insolubility, chemical stability, moderate conductivity, even at high temperature/ low humidity... at 120°C/ 20% relative humidity, conductivity 40X higher, 4X higher than cross-linked sulfonated polystyrene membrane... better power generation efficiency, lighter, more compact" Related: Hydrogen Fuel Cell Tech Gets Cheaper Breakthrough Advancement https://www.intelligentliving.co/hydrogen-fuel-cell-tech-gets-cheaper-breakthrough-advancement/ Electrospun Nanofiber Electrodes for Boosted Performance and Durability at Lower Humidity Operation of PEM Fuel Cells https://pubs.acs.org/doi/10.1021/acs.energyfuels.2c01595

Nitrogen-doped platinum-cobalt alloy catalyst enables more durable, cheaper, longer-lasting hydrogen PEM fuel cells

https://www.electronicsforu.com/news/nitrogen-doped-catalyst-boosts-hydrogen-fuel-cells "forming stable cobalt-nitrogen bonds, preventing cobalt dissolution, significantly reduces platinum requirement... highly ordered, both on surface/ within its core... doubles cobalt dissolution energy, substantially improving its stability...  automotive, marine, aviation, power generation" Related: X-ray study sheds light on cost-effective fuel cell material that could rival platinum https://techxplore.com/news/2025-02-ray-effective-fuel-cell-material.html Cobalt catalyst rivals platinum in key industrial reaction https://phys.org/news/2025-05-cobalt-catalyst-rivals-platinum-key.html China’s PEM Fuel Cell Breakthrough Slashes Platinum Use, Boosts Power with COF-Enhanced Catalyst Layer https://www.hydrogenfuelnews.com/chinas-pem-fuel-cell-breakthrough-slashes-platinum-use-boosts-power-with-cof-enhanced-catalyst-layer/8572100/ Platinum-calcium alloy nanoparticles replace platinum – achievi...

Lightweight electrolytes using stable, durable polymer electrolytic membranes for lighter fuel cells

https://www.ornl.gov/news/new-study-identifies-path-design-stable-durable-polymer-membranes-clean-energy "enhance efficiency, longevity... ions form clusters allowing transport of protons which change when exposed to ethanol, controlling polymers' conductivity, size, shape... alcohol molecules wrapped around the ions opening clusters just enough allowing stabilization... measuring any property of materials in computations and then comparing the results to those obtained from neutron scattering gives us confidence that the simulations are correct and can be used to understand the small-scale atomic details" Related: New method reveals hidden proton transport pathways in ultrathin polymer films https://www.eurekalert.org/news-releases/1127419

Semimetal-induced covalency achieves high-efficiency electrocatalysis for platinum-based Ge, Sb, Te compounds

https://phys.org/news/2024-09-semimetal-covalency-high-efficiency-electrocatalysis.html "have both metallic/ covalent bonds... 300°C high oxygen reduction avoiding ~600°C causing uneven size, morphology, composition, structure, limiting catalyst performance... in p orbitals' partial filling, d-p Ï€ feedback bond formed between platinum/ semimetal atoms as strong covalent interaction, promoting ordering arrangement... 0.794 A mg−1 at 0.9 V mass activity, 5.1% attenuation under CO toxicity, 11X that of commercial Pt/C catalysts... PEM fuel cells" Related: Breakthrough in Fuel Cell Technology, The Future of Clean Energy Unveiled https://www.jomfruland.net/breakthrough-in-fuel-cell-technology-the-future-of-clean-energy-unveiled/ Advent Technologies and the Ion Pair Breakthrough: A Disruptive Play in Hard-to-Decarbonize Sectors https://www.ainvest.com/news/advent-technologies-ion-pair-breakthrough-disruptive-play-hard-decarbonize-sectors-2508/ Scientists have developed a fuel c...