2 ms·

Does this prevent lithium - water reaction? Is that fire, or? When current gen EV batteries catch fire in fresh and saltwater flood waters, is that due to ther

Does this prevent lithium - water reaction? Is that fire, or? When current gen EV batteries catch fire in fresh and saltwater flood waters, is that due to thermal runaway? (Twisted SWCNT carbon nanotubes don't have these risks at all FWIU)

cjbenedikt 2y ago
Twisted SWCNT is still mostly a concept. Doesn't even have proof of concept in the lab. According to people involved in it, it may take a couple of decades to go to market. But I agree, it would be great to have " wind up" cars, for example.
- westurner 2y ago
  Business idea: form dense shipping containers of addressed arrays of [twisted SWCNT, rhombohedral trilayer graphene, or double-gated graphene,]? They would need: anodes, industry standard commercial and residential solar connectors, water-safe EV charge connectors, and/or "Mega pack" connectors to jump charge semi-trucks from a container on a flatbed or a sprinter van. Branded, stackable Intermodal shipping containers with charge controllers It's probably already possible to thermoform and ground biocomposite shipping containers, with ocean recovery loops? Bast fiber anodes for super capacitors are inexpensive, and there may be something to learn from their naturally branching shape. https://www.google.com/search?q=bast%20fiber%20supercapacitor%20anodes https://www.google.com/search?q=bast%20fiber%20supercapacito... "Scientists grow carbon nanotube forest much longer than any other" (2020) https://www.nanowerk.com/nanotechnology-news2/newsid=56546.php https://www.nanowerk.com/nanotechnology-news2/newsid=56546.p... "Growing ultra-long carbon nanotubes" https://youtube.com/watch?v=VyULskYuGvg https://youtube.com/watch?v=VyULskYuGvg "Ultra-long carbon nanotube forest via in situ supplements of iron and aluminum vapor sources" (2020) https://dx.doi.org/doi:10.1016/j.carbon.2020.10.066 https://dx.doi.org/doi:10.1016/j.carbon.2020.10.066 .. https://scholar.google.com/citations?hl=en&user=1zqRM3UAAAAJ&view_op=list_works&sortby=pubdate https://scholar.google.com/citations?hl=en&user=1zqRM3UAAAAJ... https://news.ycombinator.com/item?id=41159447 https://news.ycombinator.com/item?id=41159447 : "Giant nanomechanical energy storage capacity in twisted single-walled carbon nanotube ropes" (2024) https://www.nature.com/articles/s41565-024-01645-x https://www.nature.com/articles/s41565-024-01645-x : > 583 Wh/kg
  - cjbenedikt 2y ago
    Yes, obvious once. Only light years away, I'm afraid. Try and get funding for that. GLWT
Phlarp 2y ago
Generally speaking, thermal runaway is not the lithium reacting directly with water in the air, it's a self oxidizing fire-- The electrolyte fluid is combustable, metal oxides in the anode material release oxygen when heated and a short circuit provides the heat and ignition source.
- willcipriano 2y ago
  Good for use cases like vehicles where weight matters.

cjbenedikt 2y ago

Twisted SWCNT is still mostly a concept. Doesn't even have proof of concept in the lab. According to people involved in it, it may take a couple of decades to go to market. But I agree, it would be great to have " wind up" cars, for example.

westurner 2y ago
Business idea: form dense shipping containers of addressed arrays of [twisted SWCNT, rhombohedral trilayer graphene, or double-gated graphene,]? They would need: anodes, industry standard commercial and residential solar connectors, water-safe EV charge connectors, and/or "Mega pack" connectors to jump charge semi-trucks from a container on a flatbed or a sprinter van. Branded, stackable Intermodal shipping containers with charge controllers It's probably already possible to thermoform and ground biocomposite shipping containers, with ocean recovery loops? Bast fiber anodes for super capacitors are inexpensive, and there may be something to learn from their naturally branching shape. https://www.google.com/search?q=bast%20fiber%20supercapacitor%20anodes https://www.google.com/search?q=bast%20fiber%20supercapacito... "Scientists grow carbon nanotube forest much longer than any other" (2020) https://www.nanowerk.com/nanotechnology-news2/newsid=56546.php https://www.nanowerk.com/nanotechnology-news2/newsid=56546.p... "Growing ultra-long carbon nanotubes" https://youtube.com/watch?v=VyULskYuGvg https://youtube.com/watch?v=VyULskYuGvg "Ultra-long carbon nanotube forest via in situ supplements of iron and aluminum vapor sources" (2020) https://dx.doi.org/doi:10.1016/j.carbon.2020.10.066 https://dx.doi.org/doi:10.1016/j.carbon.2020.10.066 .. https://scholar.google.com/citations?hl=en&user=1zqRM3UAAAAJ&view_op=list_works&sortby=pubdate https://scholar.google.com/citations?hl=en&user=1zqRM3UAAAAJ... https://news.ycombinator.com/item?id=41159447 https://news.ycombinator.com/item?id=41159447 : "Giant nanomechanical energy storage capacity in twisted single-walled carbon nanotube ropes" (2024) https://www.nature.com/articles/s41565-024-01645-x https://www.nature.com/articles/s41565-024-01645-x : > 583 Wh/kg
- cjbenedikt 2y ago
  Yes, obvious once. Only light years away, I'm afraid. Try and get funding for that. GLWT

Phlarp 2y ago

Generally speaking, thermal runaway is not the lithium reacting directly with water in the air, it's a self oxidizing fire-- The electrolyte fluid is combustable, metal oxides in the anode material release oxygen when heated and a short circuit provides the heat and ignition source.

willcipriano 2y ago
Good for use cases like vehicles where weight matters.