SEOUL (Reuters) – Tesla Inc’s main govt Elon Musk has proposed the U.S. electrical carmaker might be in a position to mass make extended-everyday living batteries with 50% much more electrical power density in three to four several years.

“400 Wh/kg *with* significant cycle life, manufactured in quantity (not just a lab) is not significantly. Possibly 3 to 4 years,” Musk tweeted on Monday forward of its anticipated “Battery Working day” event wherever Tesla is anticipated to reveal how it has enhanced its battery performance.

Scientists have said the electricity density of Panasonic’s “2170” batteries applied in Tesla’s Product 3 is close to 260Wh/kg, meaning a 50% bounce from the present-day energy density which is key to obtaining a for a longer period driving selection.

Tesla mentioned its Battery Working day will just take location on the same day as its 2020 yearly assembly of shareholders on Sept. 22.

The electrical car or truck company also showed a qualifications image where by a variety of dots are clustered in line formations, sparking speculation amid media and fans about what it will expose at the celebration. (https://www.tesla.com/2020shareholdermeeting)

South Korean battery professional Park Chul-wan reported the picture may perhaps hint at “silicon nanowire anode,” a breakthrough technology which can perhaps improve the two battery vitality density and battery life sharply.

Panasonic Corp earlier explained to Reuters that it options to increase the electrical power density of the first “2170” battery cells it materials to Tesla by 20% in 5 a long time.

Tesla is also working with China’s Contemporary Amperex Technological know-how Ltd (CATL) to introduce a new small-expense, extended-daily life battery in its Product 3 sedan in China afterwards this yr or early next calendar year, with the batteries made to final for a million miles of use, Reuters claimed in May perhaps.

A incredibly “constrained selection of stockholders” will be in a position to show up at the Sept. 22 functions because of to pandemic-related limitations, Tesla said, and a lottery will be held to select attendees.

(Reporting by Hyunjoo Jin and Makiko Yamazaki Editing by Jacqueline Wong)