# John B. Goodenough — Patents explained on PatentBrief

John B. Goodenough has 2 landmark patents explained in plain English on PatentBrief.

- [How Lithium-Ion Battery Cathodes Are Made](https://patentbrief.org/patent/us/4357215/lithium-ion-cathode-goodenough) — granted 1982
  A foundational 1982 method for creating the materials used in rechargeable lithium-ion batteries by removing ions at low temperatures.
- [How Lithium-Cobalt Battery Cathodes Were Invented](https://patentbrief.org/patent/us/4302518/lithium-ion-battery-cathode) — granted 1981
  This 1981 patent details the chemistry behind the lithium-cobalt oxide cathodes that power almost every modern smartphone, laptop, and electric vehicle.

**Full profile:** https://patentbrief.org/inventor/john-b-goodenough

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._