This article traces the difficult process of manufacturing EV batteries. Tesla is now bringing in-house battery production to its repertoire.
Lithium-ion batteries are the storage technology of choice in state-of-the-art EVs, leading to a substantial growth in global battery production. But, as with any new technology, the journey from drawing board to practical use in EVs is fraught with difficulties.Tesla CEO Elon Musk has set extraordinary goals for in-house battery production this year. In late 2020, Musk announced that Tesla aimed to halve the costs of the most expensive part of an EV by producing its own batteries.
Dry electrode processing is part of the next generation of electrodes, as it reduces costs and eliminates toxicity to meet future battery production demands.revolutionary for large-scale LIB production The factory equipment for in-house battery manufacturing like this, Musk said, “doesn’t exist. It’s being made.”by the flow of lithium ions between the graphite-containing anode and the cathode. Cathodes contain nickel, which delivers high energy density, allowing the vehicle to travel further.
If it works, it will be cheaper and more efficient, but Musk freely admits it will be a challenge. “The very difficult part is then scaling up that production and achieving extremely higher reliability and safety with the cells,” he told a European battery conference in November 2020.reported earlier this month that Panasonic plans to construct a US factory to supply Tesla with LIBs, seeking to ramp up production to meet anticipated demand for electric vehicles.
to other firms, including Chinese manufacturers of lithium iron phosphate powerpacks such as Contemporary Amperex Technology Co. .that Panasonic did not intend to build LFP batteries for standard-range Teslas, even though Tesla’s report said the company plans to start using those in its “standard range” vehicles worldwide.In 2020, Musk projected that Tesla would have capacity to produce 100 gigawatt-hours of 4680 batteries in 2022, enough to power about 1.
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