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Copying my comment from reddit the other day: Wow, this might be one of those rare instances where new research is gonna proceed rapidly into industry. The pa
by hwillis 9y ago
Copying my comment from reddit the other day:
Wow, this might be one of those rare instances where new research is gonna proceed rapidly into industry. The paper[1] isn't shy about it either. This is great on all fronts: increases cycle life, charge speed, and even marginally increases capacity. They're very optimistic about integrating it into production lines and it seems cost-effective. Cheap, even. The inputs are methane and fumed silica into a 1000 C furnace- you can practically buy those at a hardware store and then it just gets mixed into the r2r slurry.
I think it's pretty likely that charge speeds are about to increase handily. Fig. 4 shows the battery with additives charging at 5 C compared to virgin chemistry at 1 C. That's about 5 minutes to charge the middle 50% of a battery- incredible. Still remains to be seen if this is compatible with standard additives and SEI conditioning, but I'd be surprised if it didn't work out fine.
I feel the same about the CVD but it looks like it was fast and easy from the paper (as much as I recall right now). Certainly way less exotic than most CVD.
[1]: https://www.nature.com/articles/s41467-017-01823-7 https://www.nature.com/articles/s41467-017-01823-7