Concrete is perhaps the most commonly used building material in the world. With a bit of tweaking, it could help to power our homes too.
  • Grippler@feddit.dkEnglish
    0·
    21 days ago

    On a laboratory bench in Cambridge, Massachusetts

    For now, the concrete supercapacitor can store a little under 300 watt-hours per cubic metre

    OK then, so this is incredibly far from being near any real world application