Formula E, the urban electric racing series, begins its seventh season, and its first as an official FIA World Championship, on February 26 and 27, with a nighttime double header on the streets of Diriyah, Saudi Arabia. This season’s events will be broadcast live in over 150 countries around the world. Formula E has inked… Read more »
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Silicon Mobility releases new EV powertrain control software
Silicon Mobility has announced the release of OLEA APP INVERTER, a software application platform for control of inverters and electric motors. The application is based on the OLEA T222 FPCUs parallel architecture, which allows real-time control of power electronics and motors. It provides torque and speed control using Field Oriented Control (FoC) and variable Space… Read more »
High-voltage EV battery packs: benefits and challenges. More voltage, more better?
In 2020, Porsche delivered just over 20,000 units of its luxury Taycan EV—the first vehicle from a major automaker to sport an 800 V (nominal) battery, which is more than double the voltage of its competitors (and firmly into light-rail and switchyard locomotive territory, actually). It appears that many other EVs will soon follow in… Read more »
Lucid Motors goes public in long-awaited SPAC deal
Lucid Motors has confirmed that it is going public through a merger with Churchill Capital IV (CCIV). The deal, which is expected to close in the second quarter, is said to be the largest to date between a SPAC and an EV startup. The transaction values Lucid at an initial pro-forma equity value of about… Read more »
Is aviation the best application yet for hydrogen fuel cells?
Q&A with ZeroAvia CEO Passenger cars are well on their way to going electric, and the path to a big market share for heavy-duty EVs such as buses and delivery trucks is becoming clearer. However, aviation remains a new frontier for zero emissions. There are several new powertrain options, and none has yet proven itself… Read more »
Elon Musk and Sandy Munro talk Production Hell, megacastings, structural battery packs and much more
This is a meeting that promises to be fascinating for any EV fan—Elon Musk speaks to auto manufacturing expert Sandy Munro for over 45 minutes. Sandy has become something of an internet star of late for his insightful comments (both positive and negative) about Teslas and other EVs. In this new video on the Munro… Read more »
Overlooked gems in Tesla’s Q4 earnings call
Tesla’s latest earnings report was loaded with good news: the company’s sixth straight quarter, and first full year, of profitability; increased sales ($31.5 billion in 2020, compared to $24.6 billion in 2019); a healthy cash position ($19.4 billion as of year-end, compared to $6.3 billion at the end of 2019); and plausible plans for steady… Read more »
Freudenberg’s new quick-release valves for EV batteries
Freudenberg Sealing Technologies has introduced a new generation of DIAvent valves, which allow reaction gases to escape from damaged lithium-ion batteries. The valves also maintain the continuous pressure compensation required for normal battery operation. If a battery gets damaged, liquid electrolytes can escape into the battery housing as hot gases. These must then be released… Read more »
Model S refresh includes completely revamped interior, powertrain updates and more
Over the past couple of years, as Tesla rolled out a seemingly endless stream of new features for Models 3 and Y, folks have been saying that the two elders of the line-up were overdue for an update. Now Tesla has announced a sweeping new refresh for Models S and X, featuring an entirely new… Read more »
Setting a new standard for battery leak testing
Defective cells can shorten battery life, decrease range, and lead to safety issues. A leaky cell housing, one common failure mode for Li-ion batteries, can allow ambient humidity to come in contact with the electrolyte, triggering an exothermic (heat-releasing) chemical reaction. Currently, the common practice in the battery manufacturing industry is to test cell packaging… Read more »