Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1117040 "significant lithium-ion battery technical upgrade... unlike slurry-based electrodes, more robust, better conductivity, can be made thicker without losing effectiveness... synergistic coupling between binder/ reactive carbon it protects by partially coating... suppresses side reactions typically occurring at high voltages, eliminates need for toxic solvents and energy-intensive drying stages... better-connected conductive network, improved structural/ chemical stability during cycling, faster EV charging" Related: Longer-range electric vehicles: Dry-process electrodes use a lithium film to curb early losses https://techxplore.com/news/2026-02-longer-range-electric-vehicles-dry.html World’s most efficient EV truck charger delivers 1 MW power with 99.26% efficiency https://interestingengineering.com/energy/mega-ev-truck-charger Specialized One-body materials for dry processes maximizes battery performance/ productivity https://ww...

https://www.izm.fraunhofer.de/en/news_events/tech_news/enerconnect.html "bidirectional blocking gallium nitride transistors, used with active converters/ rectifiers.... no separate conversion stage, 99% efficient, power dense... buck-boost converter works with higher or lower input voltages... lower voltage reduces transistor switching losses... 300 kHz switching frequency allows 15 kW per liter, 800% increased... compact converters on vehicles... perfect choice for the idea of using car batteries as storage for electricity and for use in photovoltaic systems" Related: Charging infrastructure of medium voltage station upgraded to megawatt class https://techxplore.com/news/2025-01-infrastructure-medium-voltage-station-megawatt.html#google_vignette The Future of Ultra-Fast EV Charging: Inside the LMFCC Breakthrough https://www.azocleantech.com/news.aspx?newsID=35617 Delta Unveils Next-Generation DC Wallbox 50 kW EV Charger with Advanced Features for Public Charging https://www....

https://electrek.co/2024/05/08/dc-to-dc-solar-powered-ev-charger/ "TLCEV T1: up to 12.5 kW of DC charging 2X as fast... 20% energy savings, bypasses EV’s internal conversion electronics... integrates EV charging directly into solar canopies and carports, can be connected to existing home PV string inverter but not microinverter... doesn’t rely on grid, so no lengthy permitting... provides NACS and CCS-1 options, 25' cable... early-bird price $2,249... does system work as grid-tie inverter as well?" Related: DC to DC charging. One more step to off grid living! https://www.youtube.com/watch?v=UDJFFEXqKAU Israeli Startup Partners With California Mobility Center On EV Power https://nocamels.com/2024/08/israeli-startup-partners-with-california-mobility-center-on-ev-power/ Lenovo’s new concept laptop can be charged by the sun https://www.theverge.com/news/621693/lenovo-laptop-concept-yoga-solar-power-mwc

https://techxplore.com/news/2024-04-bessy-ii-pulsed-batteries.html "service life up to eight years when charged with constant current flow, with solid electrolyte interface at anode significantly thicker, and more cracks in NMC532 cathode and graphite electrode structure, impairing capacity... pulsed current charging led to homogeneous distribution of lithium ions in graphite, thinner solid electrolyte interface with fewer structural changes, reducing mechanical stress, improving graphite anode structural stability with less Ni-O bond length variation" See also: Improving sodium ion batteries with mechanically robust nanocellular graphene  https://phys.org/news/2024-04-sodium-ion-batteries-mechanically-robust.html  and: Researchers use self-organized crack-free nanocellular graphene film to enhance sodium ion batteries  https://www.graphene-info.com/researchers-use-self-organized-crack-free-nanocellular-graphene-film-enhance Related: KAIST’s Breakthrough: New Sodium...

https://techxplore.com/news/2023-10-medium-voltage-inverter-photovoltaics.html "medium-voltage range (1,500 V) at 250 kVA... higher blocking voltage of silicon carbide semiconductors... cooling heat pipe cooling reduces amount of aluminum... high 1,500 VAC enables cable cross section reducttion to 35 mm², reducing copper consumption 700 kg/ km cable... fed power into medium-voltage grid successfully... large-scale PV power plants, wind turbines, charging infrastructure for large electric vehicles and vehicle fleets, and for industrial grids" Related: Wolfspeed Unveils Cutting-Edge Silicon Carbide Module Solution to Boost Clean Energy Capacity https://www.epicos.com/article/867101/wolfspeed-unveils-cutting-edge-silicon-carbide-module-solution-boost-clean-energy

https://electrek.co/2022/11/10/laguardia-flywheel-based-ultra-fast-ev-charging-pilot-zooz/ "patented flywheel technology that drives 200,000 high-power charge and discharge cycles... four pilots will be operational within a few months... signed a binding memorandum of understanding with an as-yet-unnamed “worldwide leading car rental services provider" Related: Utah man creates company devoted to flywheel energy storage https://www.ksl.com/article/50607964/utah-man-creates-company-devoted-to-flywheel-energy-storage ADS-TEC Energy Presents Storage-Based Ultra-Fast Charging System ChargePost at Hannover Messe 2023 in Energy Solutions Section https://www.ads-tec-energy.com/en/ Flywheel energy storage system designed as a fully automatic charging station https://techxplore.com/news/2023-06-flywheel-energy-storage-fully-automatic.html DC Fast Charging Off-Grid With Hydrogen! GM Hydrotec Powercube https://www.youtube.com/watch?v=fB6k1TMkXFc Creating reliable networks of electric ve...

https://techxplore.com/news/2022-09-cars-home-night "less home charging and more daytime charging... Western U.S. need less generating capacity and storage... not waste as much solar and wind power... rethink electricity pricing structures as their EV charging needs increase and grid changes... Once 50 percent cars powered electricity western U.S.... 5.4 gigawatts energy storage needed if charging habits follow current course... capacity equivalent 5 nuclear reactors... shift to charging at work instead home reduce storage needed EVs to 4.2 gigawatts" Related: Cascaded H-bridge-based multiport DC converter for EV charging directly connects to the medium-voltage AC electricity grid https://www.eurekalert.org/news-releases/1099003

https://techxplore.com/news/2022-08-super-fast-electric-car-tailor-made.html "charging data to create unique charging protocols. By inputting information about the condition of many lithium-ion batteries during their charging and discharging cycles, the scientists trained the machine learning analysis to predict lifetimes and the ways that different designs would eventually fail. The team then fed that data back into the analysis to identify and optimize new protocols that they then tested on real batteries... charge to over 90% 10 minutes without lithium plating or cathode cracking" Related: Google backed Gravity chargers can add 2,400 miles  range/ hour, or 200 miles/ 5 minutes https://spectrumlocalnews.com/nys/rochester/transportation/2024/03/04/fastest-ev-charger-in-the-us-opens-in-nyc

https://techxplore.com/news/2022-06-electric-vehicles-peer-to-peer.html "SUMO that basically allows you to create scenarios where a number of different electric vehicles are running on a given highway, and then we introduce this concept of mobile charging or peer-to-peer charging and we also introduced the concept of mobile charging stations in the simulation and saw how far each of the cars would have gone without recharging versus with peer-to-peer charging... reduction of refueling requirements among electrical vehicles"

https://www.pv-magazine.com/2022/04/29/the-mobility-revolution-portable-ev-charging-stations-for-personal-and-shared-use/ "world’s first portable EV charging infrastructure for shared, public use... 5-charger one-sided and double-sided 10-unit... 4 kWh... size of compact wheeled suitcase... provides up to 20 miles (32km) of range in little over 30 minutes... more than 100 kWh second-life batteries store clean energy... three times cheaper and three times faster to install than fixed on street level 2 chargers... payback period for AC public charging from 8-10 years to less than two" Related: ABB and Eviny Install World’s Fastest Electric Car Charger in Norway https://www.azocleantech.com/news.aspx?newsID=31637 Momentum Dynamics Announces Dual-Power Breakthrough in Automatic Inductive Charging https://www.prnewswire.com/news-releases/momentum-dynamics-announces-dual-power-breakthrough-in-automatic-inductive-charging-301540373.html ABB and Shell to Launch First Nationwide Netwo...

https://www.azocleantech.com/news.aspx?newsID=31400 "Employing quantum charging would lead to a 200 times speedup in a typical EV, which means that the charging time would be cut from 10 hours to about 3 minutes (at home), or 30 minutes to 9 seconds at a charging station"

https://techxplore.com/news/2022-02-power-technology-unprecedented-freedom-wireless.html?utm_source=nwletter&utm_medium=email&utm_campaign=daily-nwletter "Take kitchen appliances, for example," says Jayathurathnage. "At the moment, you need to put a rice cooker or a blender at a particular spot for it to get energy. But with our technology we can make the whole kitchen counter a source of power for appliances or even phones, but the electromagnetic field is only generated under the devices... to boost the power levels from about 1 kW to around 20 kW" Related: Successful delivery: ORNL demonstrates bi-directional wireless charging on hybrid UPS truck https://www.ornl.gov/news/successful-delivery-ornl-demonstrates-bi-directional-wireless-charging-hybrid-ups-truck You may be able to wirelessly charge your EV this year https://pv-magazine-usa.com/2022/02/23/you-may-be-able-to-wirelessly-charge-your-ev-this-year/ Ford Seeks Patent For Wireless Charging Of Electri...

https://www.gizmochina.com/2021/12/22/worlds-first-sodium-ion-solar-generator-bluetti-na300-b480-unveiled/?fbclid=IwAR1DLSgoF6KRrmKVX6RQAqLGz9xY3HOZfSZ_LzKbyHfl2TtOs5L1k2I9qqU "sodium-ion power station comes with 4 x 20A plugs and 1 x 30A L14-30 output ports driven by the built-in 3000W pure sine wave inverter... goes from 0 to 80% in just 30 mins when using 6000W swift AC + PV dual charging. (3000W Max. for both AC and PV)... capacity of 3000Wh which is less than the 5100Wh of EP500 Pro... due to the current sodium-ion battery technology limitations" Related: Scientists develop a novel strategy for sustainable post-lithium-ion batteries https://techxplore.com/news/2022-01-scientists-strategy-sustainable-post-lithium-ion-batteries.html Molecular paddlewheels propel sodium ions through next-generation batteries https://techxplore.com/news/2022-01-molecular-paddlewheels-propel-sodium-ions.html Sodium-ion battery breakthrough. Safer, cheaper and cleaner than Lithium-ion https://...

" https://www.purdue.edu/newsroom/releases/2021/Q4/electric-vehicles-could-fully-recharge-in-under-5-minutes-with-new-charging-station-cable-design.html "Using an alternative cooling method, Purdue researchers designed a charging cable that can deliver a current 4.6 times that of the fastest available EV chargers on the market today by removing up to 24.22 kilowatts of heat... prototype accommodates a current of over 2,400 amperes – far beyond the 1,400-ampere minimum that would be needed to reduce charging times for large commercial EVs to five minutes"

https://new.abb.com/news/detail/82941/abb-launches-the-worlds-fastest-electric-car-charger "Only charger designed explicitly to charge up to four vehicles at once... have a small footprint... Available in Europe from the end of 2021, and in the USA, Latin America and Asia Pacific regions in 2022" See also: Introducing the World’s Fastest Electric Vehicle Charger to Date https://www.azocleantech.com/article.aspx?ArticleID=1330

https://www.ornl.gov/news/high-power-wireless-vehicle-charging-technology-licensed-hevo "license covers ORNL’s unique polyphase electromagnetic coil that delivers the highest surface power density available, 1.5 megawatts (1,500 kilowatts) per square meter — eight to 10 times higher than currently available technology. This surface power density supports higher power levels in a thinner, lighter coil, resolving the issue of adding range-sapping weight to electric vehicles... could one day enable electric vehicles to be charged as they are driven at highway speeds" Related: New technology makes wireless charging of electric vehicles and ferries attractive https://techxplore.com/news/2023-03-technology-wireless-electric-vehicles-ferries.html