Posts By: Christian Ruoff

Enevate says its silicon-dominant anode technology is ready for EV production

Q&A with Enevate’s Founder and CTO Dr. Benjamin Park Introducing silicon into automotive-grade lithium-ion cells has been a major topic in the EV industry in the past decade. Silicon is widely considered to be the next big thing in anode technology, because it has a theoretical charge capacity ten times higher than that of typical graphite anodes…. Read more »

Q&A with Rivian’s VP of Propulsion (Full Interview)

The electromobility revolution is gathering speed, but the world’s EV-makers have fallen behind popular tastes in terms of the form factors auto buyers want, and this has emerged as a roadblock to mass adoption. Buyers love SUVs and pickups, and automakers love the high profit margins associated with these models. Electric SUVs are starting to… Read more »

Rivian’s VP of Propulsion: Thermal issues are the dominant limiting factor for maximizing EV performance

Charged recently chatted with Rivian’s VP of Propulsion Richard Farquhar to learn more about the design and development of the company’s unique electric platform (read the whole story in our upcoming issue). Farquhar spent 15 years as Powertrain Director at McLaren Automotive, designing and developing some of the highest-performance propulsion systems in the world for… Read more »

Rivian says its battery pack has the highest volumetric energy density in the world, thanks to its cooling strategy

Rivian has been generating a lot of headlines since the November 2018 reveal of its prototype pickup and SUV. The company has scored substantial investments, including $700 million from a group of investors led by Amazon and another $500 million from Ford. That cash was accompanied by a history-making order of 100,000 electric delivery vans… Read more »

Wildcat sorts through the avalanche of new battery materials to find the best

As automakers and cell manufacturers begin to realize the complexity of benchmarking new battery materials, Wildcat Discovery Technology is using its high-speed R&D technology to help find clarity   If you follow battery technology news on a regular basis as we do, it’s easy to get overwhelmed by the volume of new announcements. There are… Read more »

Tesla’s top motor engineer talks about designing a permanent magnet machine for Model 3

Most mainstream EVs from major automakers have used some form of permanent magnet traction motor technology, with two high-profile exceptions: Tesla’s Model S and Model X both use induction motor technology. Internet engineering forums are full of compelling arguments for using both technologies in vehicles, as well as loads of speculation on what drove Tesla… Read more »

Alta Motors says its electric dirt bike has world-class energy density

Alta Motors claims that its dirt bikes have a battery pack with energy density that’s among the highest of any production vehicle. With help from Scheugenpflug’s custom production equipment and Wevo-Chemie materials, the motorcycle builder says its thermal design was the key to achieving that. Seven years ago, a group of motorcycle and off-road dirt… Read more »

Carpenter Technology develops a new soft magnetic alloy with key benefits for EV motors

Electrical steels are soft magnetic materials found at the heart of electric motors. They’re typically manufactured in cold-rolled strips, cut into shapes to make laminations and then stacked together to form the stator and rotor of a motor. These specialty steels are tailored to produce certain magnetic properties, and have a magnetic flux density (key… Read more »

Hyundai launches Ioniq with three distinct powertrain choices: EV, PHEV and hybrid

In the short history of the modern EV industry, it’s been common for automakers to launch plug-in cars under a new brand or model – particularly those companies who are serious about selling EVs at scale. Or, at least the ones that want to appear serious about selling a lot of EVs. Even though Hyundai… Read more »

Tesla’s chief motor engineer discusses the potential of next-generation motor technologies

Tesla spends a considerable amount of resources on basic research into EV systems – as well it should. EV technology is very young compared to that of ICE vehicles, so it’s safe to assume that, in a few short years, the aggregate of many incremental technology advances could lead to significantly better EVs. Of course,… Read more »