Tesla CEO Elon Musk said that the American electric car manufacturer may mass produce longer-life batteries with a 50% energy density within three to four years.

Musk wrote on Twitter: “400 watts/kg* has* high cycle life, mass production (not just in the laboratory) is not far away. It may take 3 to 4 years.” on Monday Before the expected “Battery Day” event, Tesla is expected to reveal how it can improve battery performance.

The researchers said that the energy density of the Panasonic “2170” battery used in the Tesla Model 3 is about 260Wh/kg, which means an increase of 50% compared to the current energy density, which is important for achieving longer driving distances. Important.

Tesla said that Battery Day will be held on the same day as the 2020 annual shareholder meeting held on September 22.

The electric car manufacturer also displayed a background image in which many dots were gathered together in the form of lines, which triggered speculations by the media and fans about what it will reveal at the event.

South Korean battery expert Park Chul-wan said that the image may suggest a “silicon nanowire anode”, which is a breakthrough technology that can potentially significantly improve battery energy density and battery life.

Panasonic told Reuters earlier that it plans to increase the energy density of the original “2170” battery supplied to Tesla by 20% within five years.

According to Reuters, Tesla is also cooperating with China’s contemporary Amperex to launch a new low-cost, long-life battery for its Model 3 sedan in China later this year or early next year. The battery is designed to use a battery. Million miles. in May.

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Tesla said that due to restrictions related to the pandemic, a very “limited number of shareholders” will be able to participate in the September 22 event and will hold a lottery to select participants.

© Thomson Reuters 2020


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