Who Really Invented the Rechargeable Lithium-Ion Battery?
Cars That Think
JULY 30, 2023
It was manufactured in small volumes by Exxon, appeared at an electric vehicle show in Chicago in 1977, and served briefly as a coin cell battery. Moreover, company executives thought Whittingham’s concept was unlikely to ever be broadly successful. The new chemistry boosted the battery’s voltage by another two-thirds, to 4 volts.
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