Tesla has spent years promoting its 4680 battery cell as the key to cheaper, longer-range electric vehicles. Yet the company’s own regulatory filings and the underlying science tell a far less ...

Five years ago, during 2020 Battery Day, Tesla unveiled the 4680 cells as the most advanced battery tech in the world. However, CEO Elon Musk now regrets he pursued the dry battery electrode process, ...

In a post on the social media platform X on Saturday, user @tslaming shared Tesla's patent filing, which showcased the company using an updated battery chemistry by incorporating a dry electrode ...