The US Inches Toward Building EV Batteries at Home

The history of battery science is filled with short circuits, explosions—and, occasionally, tales of redemption. One of these is the story of the lithium-iron-phosphate battery.

LFP, as it’s known, (the “F” refers to the Latin name for iron) was discovered as a good battery material in the University of Texas lab of John Goodenough. He was (and is, at 99) a legendary battery scientist, best known for designing the cathode—the crystal structure that catches and releases lithium ions as the battery charges and gets used—that led to the first commercial lithium-ion battery in 1991. LFP, coming a few years after that, seemed to have many advantages over its predecessor. The

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