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Tesla patents a new NCA electrode for its EV batteries

More information on the battery is expected next month.

Published Fri, Apr 24 2020 4:02 PM CDT   |   Updated Mon, Oct 19 2020 8:19 PM CDT

Tesla has patented a new type of electrode to be used inside of the battery cells that builds in house. The goal of the new battery electrodes is to be longer-lasting and cheaper to produce. The new NCA electrode in the patent is expected to be used in those battery cells.

Tesla patents a new NCA electrode for its EV batteries 01 |

Tesla previously patented an electrode using a new generation "single-crystal" NMC 532 cathode and a new advanced electrolyte. The team was able to show over 4000 cycles in battery cells made using the novel cathode. Tesla believes that the battery cells could last for over a million miles when used in electric vehicles.

Tesla's new patent is titled "Method for Synthesizing Nickel-Cobalt-Aluminum Electrodes." The inventors have devised a two-step synthesis process pairing single-crystal nickel-cobalt-aluminum (NCA) electrodes. The patent says that in certain embodiments, the two-step synthesis process includes two lithiation steps. As with most patents, much of it is heady science that doesn't make a lot of sense to those outside of the industry.

Electrek says that a source told it that the new NCA electrodes are expected to allow Tesla to achieve a similar, or better energy density than NMC batteries. Tesla is currently working on a battery project to produce its own battery cells using technology developed by Tesla's own teams. The project is said to be on a massive scale and is aiming for a cost below $100 per kWh. Further details about Tesla's new battery are expected in May. Tesla CEO Elon Musk recently congratulated his team for building the one-millionth Tesla vehicle.

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Shane is a long time technology writer who has been writing full time for over a decade. Shane will cover all sorts of news for TweakTown including tech and other topics. When not writing about all things geeky, he can be found at the track teaching noobs how to race cars.

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