4 ms·

why not store many small batteries in the wings ?

• hcho 10y ago
  As the article states a few times, weight is the main issue.
  • fvjwiur 10y ago
    what part of lithium-ion batteries is heavy ? Lithium is light
    • ozzy6009 10y ago
      The rest of them. Lithium is only the electrolyte. They also need cathode and anode materials. Specific energy of gasoline: 46.4 MJ/kg Specific energy of high end Li-ion batteries: 1.3 MJ/kg
      • fvjwiur 10y ago
        it amazes me that we've achieved so many hard things (going to the moon, to Mars, to Saturn, making computers) and yet batteries are so primitive that we can't even beat gasoline