vinyl@lemmy.world to Microblog Memes@lemmy.worldEnglish · 2 days agooh no! think of the stock market!lemmy.worldimagemessage-square385fedilinkarrow-up11.71Karrow-down180
arrow-up11.63Karrow-down1imageoh no! think of the stock market!lemmy.worldvinyl@lemmy.world to Microblog Memes@lemmy.worldEnglish · 2 days agomessage-square385fedilink
minus-squareTayb@lemmy.worldlinkfedilinkEnglisharrow-up2·6 hours agoLess efficient than pumped hydro. Appears to be about 40% for green hydrogen in the round trip vs 80% for pumped hydro with a quick google search.
minus-squareCorkyskog@sh.itjust.workslinkfedilinkEnglisharrow-up1·5 hours agoI am curious what’s involved in the “round trip”? Do you mean to fuel other machines directly with hydrogen?
minus-squareTayb@lemmy.worldlinkfedilinkEnglisharrow-up1·3 hours agoEnergy to hydrogen back to energy, so electrolysis to a hydrogen fuel cell. I think burning hydrogen directly is even less efficient.
Less efficient than pumped hydro. Appears to be about 40% for green hydrogen in the round trip vs 80% for pumped hydro with a quick google search.
I am curious what’s involved in the “round trip”? Do you mean to fuel other machines directly with hydrogen?
Energy to hydrogen back to energy, so electrolysis to a hydrogen fuel cell. I think burning hydrogen directly is even less efficient.