By Shane Lasley
Metal Tech News
Graphene enhanced copper offers EV edge
GM funded research results in improved copper wire, process Metal Tech News – October 28, 2020
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Last updated 7/10/2022 at 2:53pm
Andrea Star; Pacific Northwest National Laboratory
Keerti Kappagantula, a materials scientist at the Pacific Northwest National Laboratory holds copper wire with graphene additives that is 5% more conductive than the pure copper currently being used in electric motors.
Working with General Motors, researchers at the Pacific Northwest National Laboratory have discovered that a tiny bit of graphene can increase the conductivity of copper wire by 5%.
"That may seem like a small amount, but it can make a big difference in motor efficiency," the Washington state lab penned in an article on the findings. "Higher conductivity also means that less copper is needed f...
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