🛠️ Invention or technique

Lithium iron phosphate cathode (LiFePO4)

Cátodo de fosfato de hierro y litio (LiFePO4)

Date
1996-1997 · confidence high
Place
Austin, Texas, United States
Credited to
John Goodenough, Akshaya Padhi and colleagues (University of Texas)
Field
Matter & energy

What it is

An iron, phosphate and lithium cathode material, cheap, stable and non-flammable, for lithium-ion batteries with very long cycle life. It is used in buses, electric cars and stationary storage.

Goodenough shared the 2019 Nobel Prize in Chemistry for lithium-ion batteries.

What it led to

  • LFP batteries in Chinese buses and cars
  • stationary lithium-ion storage
  • reduced dependence on cobalt
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Sources✓ verified 2026-11-04