Today's Tech News: Notable or Not?

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"

https://www.unsw.edu.au/newsroom/news/2024/12/proton-batteries-an-innovative-option-for-the-future-of-energy-storage "rapid proton movement using hydrogen-bond networks... light, safe, affordable, wider voltage range... redox potential for cathode locates in high range, for anode locates in low range, ensuring desirable voltage output...  modified tetraamino-benzoquinone replacing 4 chloro groups with 4 amino groups, improving proton storage/ lowering redox potential range... also, stable hydrogen storage in the form of proton (H+)" Related: CNL achieves breakthrough in hydrogen storage technology https://www.cnl.ca/cnl-achieves-breakthrough-in-hydrogen-storage-technology/ Sodium borohydride (NaBH4) powder as a hydrogen carrier https://www.ecoticias.com/en/hydrogen-powder-americas-great-failure/10578/ Hydrogen power storage, delivery possible at room temperature without freezers https://interestingengineering.com/innovation/hydrogen-storage-transport-without-freezer Researche...

https://www.cortexreport.com/a-breakthrough-find-how-protons-navigate-super-thin-materials/ "wrinkles in 2D material act as a highway for protons... this means they could be used: (1) in advanced filtration systems, where only specific particles are allowed to pass through, may enable super efficiency, (2) in batteries, where efficient movement of charged particles is crucial, they might last 10X longer... batteries, fuel cells, medical devices, water filtration"

https://phys.org/news/2023-07-method-proton-high-power-laser.html "much more compact facilities... advanced tumor therapy... fine, strongly cooled hydrogen jet target... hydrogen cooled solidified into mm-thin filament...  radiation pressure push electrons out of hydrogen create extreme electric fields accelerate protons... optimized sending short weaker light pulse in front of main laser pulse... increases acceleration distance... proton energy 80 MeV... multiple proton bunches/ s... AI algorithms increase the hit rate between pulses and frozen hydrogen jet... increase dose shorten irradiation time" Related: What do you do with a shrunken laser? https://phys.org/news/2023-08-shrunken-laser.html

https://newatlas.com/energy/rmit-proton-battery-energy-density/ "specific energy density 245 Wh/kg... stores hydrogen protons in holes solid porous activated carbon electrode soaked in dilute acid. Discharging battery adding oxygen... vacuum drying activated carbon prior to electrode preparation, 70°C... replacement oxygen-side gas diffusion layer with thinner GDL fiber sheet... storing 3X energy/ wt., 2X highest electrochemical hydrogen storage, density 882 J/g, safe stable transport hydrogen, fast charging, carbon abundant, recyclable... >75% roundtrip energy efficiency ... scalable" Related: Cracking in lithium-ion batteries speeds up electric vehicle charging https://news.umich.edu/cracking-in-lithium-ion-batteries-speeds-up-electric-vehicle-charging/ Transformative battery structure surpasses fast charge goals for Li cycling https://techxplore.com/news/2023-08-battery-surpasses-fast-goals-li.html How the material of the battery electrode affects its performance and li...

https://phys.org/news/2023-07-absorption-thin-silicon-photodetectors-photon-trapping.html "mn cylindrical Si slab placed over insulating substrate, metallic fingers... circular holes Si filled periodic pattern... normally incident light  bends 90° upon hitting the surface, making it travel laterally along the Si plane.. laterally propagating modes increase propagation length light and slow it, more light–matter interaction and increased absorption... absorption efficiency >68%, absorption coefficient several times higher... low parasitic capacitance... optoelectronics, ultrafast computer networks and imaging technology" Related: Photonic crystals bend light as though it were under the influence of gravity https://phys.org/news/2023-10-photonic-crystals-gravity.html

https://phys.org/news/2023-07-protons-power-next-generation-memory-devices.html "multilayer indium selenide polarized by electric field... multitude ferroelectric phases... silicon stacked heterostructure transistor... aluminum oxide insulator between platinum and porous silica electrolyte supplying protons, platinum electrodes applied voltage... higher positive voltage boosted protonation, negative voltages of higher amplitudes depleted protonation... high proton-injection efficiency <0.4 V... consume less energy, faster... neuromorphic chips"

  https://phys.org/news/2023-06-scientists-proton-conductor-next-generation-fuel.html "ceramics conduct protons instead of oxide anions, lower operating temperature 300 to 600°C... PCFCs stable energy, low cost... Ba2LuAlO5 hexagonal perovskite-related oxide... conductivity 10‒2 S cm‒1 at 487°C and 1.5×10‒3 S cm‒1 at 232°C... absorbs large quantity of water, forms Ba2LuAlO5*xH2O" Related: Toyota-backed marine fuel cell launches https://splash247.com/toyota-backed-marine-fuel-cell-launches/?h2fd Hydrogen Fuel Cells Find Their Groove Grooved electrode structure boosts performance by half again as much https://spectrum.ieee.org/hydrogen-fuel-cell-grooved?h2fd New design for high-power-density fuel cells offers improved performance and durability https://techxplore.com/news/2023-06-high-power-density-fuel-cells-durability.html Team seeks to enhance production efficiency of fuel cells with laser machining technology https://techxplore.com/news/2023-07-team-production-efficiency-fu...

https://techxplore.com/news/2023-05-harvest-abundant-energy-thin-air.html "pepper with nanopores <100 nm diameter... generic Air-gen effect... water molecules would easily bump into the pore's edge as they pass through the thin layer. This means that the upper part of the layer would be bombarded with many more charge-carrying water molecules than the lower part, creating a charge imbalance, like that in a cloud, as the upper part increased its charge relative to the lower part... runs as long as there is any humidity in the air... KW electrical utility usage" Related: The air-gen effect: a breakthrough in renewable energy https://innovationorigins.com/en/the-air-gen-effect-a-breakthrough-in-renewable-energy/

https://techxplore.com/news/2022-11-protons-long-standing-issue-silicon-carbide.html "fault suppression technique proton implantation prevents bipolar degradation in 4H-SiC semiconductor wafers when applied prior to device fabrication process... diodes that had undergone proton implantation performed just as well as regular ones but without signs of bipolar degradation... deterioration of current–voltage characteristics of diodes caused by proton implantation at lower doses not significant... more reliable and cost-effective SiC devices that can reduce power consumption in trains and vehicles" Related: Improved performance/ reliability of SiC transistors with annealing process using diluted hydrogen https://www.eurekalert.org/news-releases/1095899 Mass producible 3.8g, SiC diffractive waveguide without Rainbow Artifacts https://www.eurekalert.org/news-releases/1095904 Wolfspeed’s 300mm platform supports new class of wafer-scale integration across optical, photonic, thermal, a...