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New motor architecture could be a game-changer

At a time when EV manufacturers are eager for efficiency gains of 2-3% in their powertrains, any new technology capable of providing 10% or more would transform the state of competition among vehicle OEMs (writes Rory Jackson). With an eye towards enabling that, US company ePropelled has developed and patented a new type of electric […]

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Eco Charger quad adapted for military use

Electric quadricycle all-terrain vehicle (ATV) developer Eco Charger has teamed up with military vehicle specialist Supacat to adapt the former’s top-of-the-range 4WD model for military use; it displayed an example at the 2021 Defence Systems & Equipment International (DSEI) event in London. Eco Charger COO Jon Hourihan speaks exclusively with Peter Donaldson about the electrification […]

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DSD software optimises e-aircraft powertrain designs

In early August, electrified propulsion engineering consultancy Drive System Design (DSD) revealed that it is working on optimising the propulsion systems for electric aircraft as part of the Driving the Electric Revolution (DER) challenge at UK Research and Innovation. The initial study is intended to evaluate powertrain technology that could be used on a range […]

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Sodium-ion battery development gathers pace

Sodium-ion batteries could displace lead acid in many applications, according to Professor John Irvine, who leads the joint academic/industrial Nexgenna effort under the auspices of the Faraday Institution to develop the next generation of sodium-ion battery technology (writes Peter Donaldson). Speaking exclusively to E-Mobility Engineering, he says they will also be able to compete with […]

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Freedom from rare earth magnets?

A good alternative to magnets made from rare earth elements such as neodymium, dysprosium and samarium – which are expensive, volatile in price and supply and polluting in their extraction – is something of a holy grail for the electrical industry in general and EVs in particular. Enter Niron Magnetics with its Clean Earth iron […]

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Ricardo’s fuel cell bus takes shape

On 17 August, Ricardo announced that it had received UK Government funding to convert a bus to hydrogen fuel cell power as a technology demonstrator. The vehicle, an Alexander Dennis Enviro400, will be operated by Stagecoach as part of the Tees Valley Hydrogen Hub initiative from February next year. Ricardo’s chief engineer for the conversion, […]

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Super/ultracaps set for new applications in EVs, says UCAP Power CEO

In the wake of Tesla’s sale of supercapacitor/ultracapacitor maker Maxwell Technologies, Gordon Schenk, CEO of UCAP Power, which bought the company, exclusively discussed the future of this high-power, short-duration technology and its EV applications, in which it complements and could replace some batteries (writes Peter Donaldson). Compared with batteries, ultracapacitors have lower specific energy in […]

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OxDrive joint venture unveils self-contained e-hub for farm vehicles

OEMs developing small EVs for agricultural applications, including those intended to have autonomous capabilities, want to focus their efforts on the core agricultural functions and the autonomy (writes Peter Donaldson). Typically, however, they are faced with specifying the driveline, sourcing components and integrating them, says Chris Horton of OxDrive, a joint venture between Performance Projects […]

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Bring me my charger!

Russian EV charger manufacturer L-Charge announced in June that its first mobile EV charger is in service on the streets of Moscow, where customers can summon it to wherever they are using an app (writes Peter Donaldson). Mounted on a light truck, the charging system can deliver 120-250 kW and can charge an EV as […]

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Bipolar nickel-hydrogen battery for 2021 Toyota Aqua

Toyota’s new Acqua compact HEV comes with a bipolar nickel-hydrogen battery, a world first for a road vehicle according to the Japanese automotive giant (writes Peter Donaldson). Conventional non-bipolar nickel-hydrogen batteries have a much lower energy density than lithium-ion versions but much longer service lives. Compared with the nickel-hydrogen battery in the previous-generation Aqua, says […]
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