UCLA researchers have developed a nickel-iron battery that recharges in seconds and lasts for 30 years.
  • Eczpurt@lemmy.worldEnglish
    4·
    10 hours ago

    I looked around and found that lithium ion batteries will range from 100-270 Wh/kg and up to 10 kW/kg.

    So these particular batteries are sort of an improvement, less energy by weight but better power if I understand correctly. Definitely not an expert.