Elon Musk says it’s ironic that Tesla had to sell Maxwell Technologies, Inc. which the Silicon Valley-based automaker acquired in 2019. Tesla bought

Tesla sells Maxwell Technologies since it does not plan to use ultracapacitor technology

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2021-07-23 21:00:06

Elon Musk says it’s ironic that Tesla had to sell Maxwell Technologies, Inc. which the Silicon Valley-based automaker acquired in 2019. Tesla bought Korea-based Maxwell Technologies to take advantage of its research and development in super and ultracapacitors that would help advance the battery tech.

But according to a recent tweet by Elon Musk, Tesla has learned what it needed to out of the Maxwell acquisition within the past two years. Musk says that the battery tech using lithium ion alone is enough to transition the world to sustainable energy even without any significant advancement in current technology.

Ironic indeed, as I was at one point going to do my PhD at Stanford on high energy density capacitors for use in electric vehicles. But lithium-ion has it covered. Even with no advances in lithium-ion technology, it’s possible to transition Earth to sustainable energy.

Musk further explains that the secret ingredient to lowering cost of lithium-ion batteries is “dry electrode”. It is one of the many pieces of the puzzle in the cost reduction of li-ion batteries, several of which he explained during the Battery Day presentation and further explained by Sandy Munro in one of his videos.

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