Sponsored by Aspen Aerogels. The safety of Li-ion batteries relies on containing single-cell thermal runaway (TR) events so that they cannot propagate into adjacent cells, triggering a cascading failure. While the thermal energy released during a runaway event can take multiple pathways, the most significant are: The first can be controlled with high-performance insulation materials… Read more »
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Huber USA partners with Binder to develop temperature control solutions for EV battery testing
Huber USA and Binder, two specialists in temperature-control technology, have announced a collaboration to deliver solutions to the auto industry, with a special emphasis on battery testing and EV solutions. Temperature control is critical for numerous design and development applications in the automotive sector. The two companies, both known for their German engineering prowess, offer… Read more »
South Pasadena, California completely electrifies its police fleet
The South Pasadena Police Department has completely replaced its gasoline-powered vehicles with EVs. The city’s fleet of 20 new Teslas will rely on a bank of 34 new EV chargers installed at South Pasadena City Hall. As part of the project, the City Hall, Police Station and Fire Station buildings will be backed up by… Read more »
Microchip offers new on-board charger package of automotive-qualified devices
Microchip Technology is offering an on-board charger (OBC) package designed to help developers speed their time to market by using key technologies from one supplier, including the control, gate drive and power stage. The package uses a selection of Microchip’s automotive-qualified digital, analog, connectivity and power devices, including the dsPIC33C Digital Signal Controller (DSC), the… Read more »
Wildcat Discovery Technologies is building a US plant to produce next-gen LFP cathode and battery materials
Q&A with Wildcat President and CEO Mark Gresser. EV battery technology is advancing rapidly—it seems like every few days we read about a scientific breakthrough that will enable safer, cheaper, smaller and more energy-dense batteries. However, the road from the lab to the auto dealership is a long one—it typically takes several years of testing… Read more »
Toyota invests billions in EV production at Indiana and Kentucky plants
Automakers often say one thing and do the opposite, or make contradictory statements for different audiences. Usually this sort of cognitive dissonance is considered a bad thing, but in Toyota’s case it may be otherwise—the company’s leaders have long been the auto industry’s most prominent anti-EV voices, even as the company itself has quietly but… Read more »
Whatever happens to Tesla, adopting its NACS connector won’t solve EV charger reliability problems
The poor reliability of public EV chargers is an industry-wide scandal. A year ago, when legacy automakers started adopting Tesla’s NACS charging system, many seemed to assume that this would soon solve all the problems. More sober observers told us that one of the main reasons Tesla’s Superchargers have been so reliable is that vehicles,… Read more »
Li-ion batteries from drones might find second lives in less demanding devices
Research in ACS Energy Letters shows the potential to improve batteries in aerial EVs that take off and land vertically. The research team developed a new electrolyte to address these challenges and said the “stressed out” batteries could also have second lives in lighter applications. The researchers manufactured a set of lithium-ion battery (LiB) cells… Read more »
Researchers demonstrate selective recovery of lithium from spent lithium iron phosphate batteries
A team from the Beijing University of Chemical Technology has used a formic acid-hydrogen peroxide system for selective leaching of lithium ions from spent lithium iron phosphate batteries. A paper on their process was published in the Journal of Power Sources. The team achieved optimal leaching conditions by single-factor optimization: formic acid concentration of 0.8… Read more »
Battery Thermal Management Fluids: More Than Just A Base Oil
Consumer demand for faster charging, increased power and extended range are increasing the heat generated in electric vehicles battery packs. In addition, there is increasing focus on ensuring safety of battery packs, and in particular the ability of the thermal management system to prevent propagation of thermal runaway within the system. To manage the increased… Read more »
