Possibly one of the most important invention of the 20th century
Wow he got the Nobel Prize in Chemistry at 97 years old and the article makes it sound like he was working on new battery tech pretty recently.
He was working on some solid state battery chemistries.
Joe Scott on YouTube made a video about him a few years ago that talks about what he was working on: https://m.youtube.com/watch?v=g0nA8CfxBqA
The relevant part starts a bit after the four minute mark
“I don’t want man, in his greed to exploit the resources of Earth, to turn what should be a garden into a desert” – John B. Goodenough