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Rolls-Royce developing turbogenerator technology for hybrid-electric aviation applications

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Rolls-Royce is developing turbogenerator technology—including a new small engine—designed for hybrid-electric aviation applications. The turbogenerator will recharge batteries after take-off or power propellers directly, enabling aircraft to switch between power sources in flight.

Hybrid 448
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Amprius’ silicon nanowire Li-ion batteries power Airbus Zephyr S HAPS solar aircraft

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Combining solar power and lithium ion batteries, the Zephyr aircraft holds world records for endurance as well as altitude, flying at 70,000 feet or higher. Based on its proprietary silicon nanowire technology, Amprius has demonstrated breakthrough performance in energy density and cycle life. Source: Amprius.

Li-ion 317
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Bucharest orders 100 Solaris electric trolleybuses

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The 12-meter trolleybuses will be powered by a 160 kW traction motor. The Trollino vehicles will be fitted with Solaris High Power batteries with a capacity of 60 kWh, which will enable them to cover distances of up to 20 km at a time without connection to an overhead wires.

Romania 462
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Si-dominant Li-ion company Enevate targeting power tool market

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Enevate, a pioneer in advanced silicon-dominant lithium-ion (Li-ion) battery technology capable of high energy density and fast charging for electric vehicles (EV), is applying its battery solutions to advanced power cells for the power tool market and other high power applications.

Li-ion 286
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Rechargeable membrane-less hydrogen bromine flow battery shows high power density

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MIT researchers have engineered a new rechargeable, membrane-less hydrogen bromine laminar flow battery with high power density. The membrane-less design enables power densities of 0.795?W?cm 2 at room temperature and atmospheric pressure, with a round-trip voltage efficiency of 92% at 25% of peak power.

Recharge 291
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Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

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A paper on their work is published in the ACS journal Environmental Science & Technology. Lead author Aniruddh Mohan and colleagues wanted to develop a method that evaluated the life-cycle costs and benefits for two battery-powered ridesource fleets and a gasoline-powered one. Scott Institute for Energy Innovation.

Fleet 195
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DOE sets technical targets for hydrogen fuel-cell long-haul Class 8 trucks

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The US Department of Energy (DOE) Fuel Cell Technologies Office, in collaboration with the DOE Vehicle Technologies Office, has established technical targets for hydrogen and fuel cell technologies in long-haul tractor-trailer Class 8 truck applications. The US market for Class 8 trucks is large and growing.

Hydrogen 448