No million-mile battery, but Tesla did announce a new form of in-house battery tech, Tesla Silicon, a $25,000 EV and the 520+ mile, 200mph Model S Plaid ...

To put things into perspective, Tesla’s Li-Ion battery offers an energy density of 260 Wh/kg and is considered one of the best in the industry.

MOSS LANDING — PG&E’s battery energy storage system saw an operational failure during testing, prompting a delay in its ...

Instead of throwing out the silicon, Tesla said it is working with a new treatment method that can take cheap, metallurgical-grade silicon and incorporate that into its new battery designs.

Tesla plans a larger cell that includes fundamental changes to both the anode and cathode. Like other battery manufacturers, Tesla is keen to use silicon in its anodes because the metal can store ...

Tesla is teasing some sort of nanotechnology in a new Battery Day announcement ahead of the presentation next month. The automaker’s Battery Day and Shareholders Meeting have been pushed several ...

At Battery Day, Tesla said that it designed a new silicon that is going to be much cheaper than current solutions for the anode of the 4680 cell.

Tesla, on the other hand, held its much-anticipated "battery day" Tuesday, during which it announced a new cell design and forthcoming $25,000 electric car. Let's jump in.

This turned out to be a fat lithium-ion battery called a 4680—a reference to its diameter, 46 millimeters, and its length, 80 millimeters—that is being produced in-house at Tesla.

Tesla introduced its new 4680 cells during Battery Day in 2020, offering impressive specifications. Many improvements promised during the event failed to materialize until now.

Tesla Inc. says its production plan for its new electric Semi heavy-duty truck remains in a low gear because the special battery cells the big rig needs are in short supply. The Silicon Valley car ...