Solarpunk

Helmholtz-Zentrum Berlin and her colleagues injected liquid piperazinium iodide i

When I read that I thought the article was a joke. Turns out there really is an chemical called piperazinium.

In all cases biggest challenge is thaving these chemicals stable enough to last for at least 20 years or so otherwise it won't be worth buying. 31% effecieny is nice but still longevity is a big factor.