China's new iron battery hits 99.4 percent efficiency over 6000 cycles
interestingengineering.com
A research team at the Institute of Metal Research of the Chinese Academy of Sciences (CAS) has advanced "all-iron" flow battery technology.
  • SaveTheTuaHawk@lemmy.caEnglish
    2·
    2 days ago

    I can see bulky, cheap, resilient/reliable batteries make more sense as a long-term investment.

    Pump water up a hill during sunlight.

    • vandsjov@feddit.dkEnglish
      3·
      2 days ago

      Just requires a hill that is big enough, two basins that can hold the water, and then of cause we need all the water.