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Tesla Switching To LFP Batteries For Standard Range Model 3 & Model Y Cars

Tesla has confirmed it is switching to LFP batteries for all standard range Model Y and Model 3 cars.

On October 20, Tesla announced that it is switching over to LFP batteries for all of its standard range Model Y and Model 3 cars. The news was contained in the company’s third quarter earnings report. The company first started using LFP batteries in Model 3s manufactured in China last year. Apparently, Tesla is pleased with the result and will use lithium-iron-phosphate chemistry for all standard range cars globally from this point forward. It is also now using LFP battery cells in its grid-scale energy storage products.

LFP battery cells cost less primarily because they do not depend on scarce and somewhat costly raw materials like cobalt and nickel. Tesla CFO Zach Kirkhorn said during the Wednesday earnings call that the company has seen pricing impacts with nickel and aluminum lately.

One major reason why LFP batteries are not seen much outside of China relates to a series of key LFP patents, which have allowed the country to dominate the LFP market. But those patents will soon be expiring. Company officials indicate Tesla intends to bring LFP battery production to the same locations where it manufactures its vehicles. We know it is planning a battery factory near its new factory in Grünheide, Germany, for example, as well as its similarly aged under-construction gigafactory in Texas.

“Our goal is to localize all key parts of the vehicles on the continent — at least the continent, if not closer, to where the vehicles are produced,” Drew Baglino, senior vice president of powertrain and energy engineering at Tesla, said during the earnings call. “That is our goal. We’re working internally with our suppliers to accomplish that goal, and not just at the end assembly level but as far upstream as possible.”

The company also provided a very brief, and slightly hedging, update on its 4680 battery pack, a custom cell design it created in-house. Tesla has said that the 4680 battery will be capable of greater energy density and range. Baglino said the 4680 is on track to be delivered in vehicles at the beginning of next year, with structural testing and validation all on schedule. But while the company is happy with the timeline, “this is a new architecture and unknown unknowns may exist still,” he added. “From a cell perspective, we are comfortable with the design maturity and manufacturing readiness matching the pack timeline I just mentioned.”

Applause

The Washington Post has enthusiastically endorsed Tesla’s move to LFP batteries, calling it “a shrewd, prescient and realistic move. For one, these aren’t just cheaper batteries; they are safer and readily available. That means even if they aren’t going to take Teslas several hundreds of miles away on one charge, they will drive the company toward greater sales and, ultimately, wider adoption of greener vehicles. A Tesla Model 3 on these lithium iron-phosphate, or LFP, powerpacks can still go 468 kilometers (290 miles). That’s really not that short a distance — these batteries will do the job.”

The newspaper adds, “These batteries are helping solve the perennial problems and trade-offs with electric cars — range over safety, size over energy density. That’s why automakers and their battery suppliers have been caught up with a type of battery made with nickel, manganese and cobalt, which are more energy-dense but haven’t yet proven to be the safest. They tend to be unstable and can combust. In addition, they’re expensive because the raw materials are largely in short supply.”

Tesla apparently has decided the disadvantages of LFP batteries are outweighed by the advantages — especially lower price, greater resistance to thermal runaway, and greater raw material availability. The data is not complete yet, but longer battery life may be part of the equation as well.

There’s a lesson here for those other companies, the Washington Post says. “To deliver on big, bold promises of fleet electrification, they will be better off taking a realistic path. For now, they’ve been preoccupied with using less pragmatic batteries that have, in some cases, caught fire and led to multi-billion dollar recalls. Boasting the best car with the longest range that’s going to be released a year or two from now isn’t really a sign of success. Instead, delivering a pretty good electric car today — that’s safe — would show that a company is on the right path. That’s what firms need to get real about. The latest battery technology isn’t the be-all, end-all of the electric car race. Better to step off the sidelines and just get going.”

We were discussing this around while drinking spritzers around the firepit on the top floor of CleanTechnica’s global headquarters the other day and we couldn’t agree more. The time for supercars that can make the Kessel run in less than 12 parsecs is over. What we need are cars that are good enough for ordinary people to drive every day. Tesla may very well have stolen a march on the competition — again.

On a related note, read this CleanTechnica article from September 2020: “Tesla Battery Day — Has Elon Musk Already ‘Leaked’ The Battery Tech That Will Give Scale To The EV Revolution?

 
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Steve writes about the interface between technology and sustainability from his homes in Florida and Connecticut or anywhere else the Singularity may lead him. You can follow him on Twitter but not on any social media platforms run by evil overlords like Facebook.

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