A Battery Taxonomy
Putting different battery chemistries in their place
Every single battery — from Allessandro Volta’s voltaic pile to whatever the latest startup is touting — requires three things: a cathode, an anode, and an electrolyte separating the two. What these components are made of is completely up to you.
We humans have come up with a lot of materials to help store energy in electrochemical devices: from ceramic…
