Taiwan Semiconductor, a global supplier of discrete power electronics devices, LED drivers, analog ICs and ESD protection, has introduced two new series of high-voltage rectifiers manufactured to AEC-Q101 standards and offered in automotive- and commercial-grade versions. The fast-recovery HS1Q Series has a 1,200 V, 1 A rating and the 1,600 V standard-recovery SxY Series comes… Read more »
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How the transition from graphite to silicon-anode batteries will revolutionize the EV industry
Q&A with Group 14’s CEO As EV makers continue to grapple with the challenges of using traditional lithium-ion batteries, including alleviating concerns about range anxiety, safety and raw material sourcing, battery material manufacturers are exploring alternative chemistries. There has been talk about using silicon anodes to replace graphite anodes in lithium-ion batteries for several years…. Read more »
ABB exec talks microgrids, switchgear and charger-agnostic systems
A public charging or fleet charging site—or pretty much any installation larger than one or two Level 2 chargers—consists of more than just the chargers that drivers interact with. Behind the scenes, you’ll find a transformer, a cabinet full of switchgear, and increasingly, microgrid elements such as battery storage and/or PV panels. ABB makes all… Read more »
Amprius ships A-Sample EV battery cells to USABC
Amprius Technologies, which produces lithium-ion batteries with silicon anodes, has shipped its SiMaxx A-Sample EV Cells to the United States Advanced Battery Consortium (USABC). Amprius’s internal testing of the A-Sample EV cell has shown specific energy of 360 Wh/kg at the beginning of its life—surpassing the USABC program target of 275 Wh/kg at end of… Read more »
Argonne develops technique using magnetic fields to probe long-term battery aging
Researchers at the DOE’)’s Argonne National Laboratory have demonstrated a novel method that uses nuclear magnetic resonance (NMR) spectroscopy to characterize the chemical evolution inside battery cells over years of operation. The technique characterizes chemical degradation in commercial-grade pouch battery cells while they operate for long periods. NMR spectroscopy relies on magnetic properties of atomic… Read more »
Cornell researchers’ discovery may lead to safer solid-state batteries
A team of Cornell University researchers has published a paper that reports on their work to fuse together a pair of contorted molecular structures, creating a porous crystal that can uptake lithium-ion electrolytes and transport them smoothly via one-dimensional nanochannels—a design that could lead to safer solid-state lithium-ion batteries. The paper, “Supramolecular Assembly of Fused… Read more »
SCHURTER launches new chokes for high currents in EV fast charging stations
Swiss electrical and electronic components manufacturer SCHURTER has released the DKUH-1, a new current-compensated choke designed for currents from 50 A to 100 A and high voltage of 800 VDC, making it suitable for EV fast charging stations, battery storage, photovoltaics and energy converters. The choke is designed to integrate filter elements into printed circuit… Read more »
CATL introduces Shenxing PLUS extended-range battery
China-based battery manufacturer Contemporary Amperex Technology (CATL) has launched its Shenxing PLUS LFP battery, which the company claims is the first to reach specific energy of 205 Wh/kg, capable of achieving a range of more than 621 miles on a full charge. An EV equipped with the new battery system can deliver a range of… Read more »
Sepion develops non-flammable liquid electrolyte for EV batteries
US-based Sepion Technologies, which produces separator coatings and liquid electrolytes for lithium batteries, has developed a non-flammable liquid electrolyte designed to can reduce the risk and severity of fires in lithium-ion EV batteries. Sepion’s researchers subjected the newly-discovered liquid electrolyte to flammability testing against standard commercial lithium-ion battery electrolytes, demonstrating a flash point exceeding 70°… Read more »
Australia’s Sicona plans US silicon anode manufacturing facility
Australian battery materials producer Sicona Battery Technologies plans to expand into the US battery component market by developing a commercial production facility somewhere in the southeastern US. The company recently completed front-end engineering design studies and is advancing its plans for the phased development of a silicon-carbon anode materials plant that would produce 6,700 tons… Read more »