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The article doesn't say what the current cost per kWh is? I'm just curious to contextualize how big of a leap a $100 per kWh cell would be. Additional question

The article doesn't say what the current cost per kWh is? I'm just curious to contextualize how big of a leap a $100 per kWh cell would be. Additional question: Does a Lithium-Ion cell for a moving vehicle need to be higher quality/greater tolerance, relative to stationary? Just seems like a Lithium-Ion cell built for a vehicle needs to survive low/high temps, and also a lot of jostling or risk fire/venting.

WorldMaker 7y ago
Regarding the additional question, how often do stationary batteries exist in the wild? Laptops and phones see a lot of jostling and probably some extremes in temperature. I'd imagine the concerns for individual cells may be somewhat universal given the variety of uses we put them to.
- natch 7y ago
  >how often do stationary batteries exist in the wild? The answer in five years will be very different from the answer today. Suffice it to say, increasingly often with industrial scale energy storage such as the Hornsdale project in Australia. https://www.energy-storage.news/news/undeniable-success-south-australias-129mwh-tesla-battery https://www.energy-storage.news/news/undeniable-success-sout...
ksec 7y ago
There is a difference between Battery Cell and Battery Pack, which the article wasn't very clear although I seriously doubt $100/kwh is for Battery Pack. Current estimate of Battery Pack is roughly ~$150 / Kwh.
- jseutter 7y ago
  Commenting on your comment, the cost of the battery pack is roughly 70% cells and 30% battery pack. Using those numbers, cells at $100/kwh would result in packs costing roughly $143/kwh, vs the current situation where cells are costing them roughly $105/kwh. It doesn't seem like enough of a drop to warrant the hyperbole in the article if is a ~5% drop in cell price. Maybe they are talking about making packs for $100/kwh, which would be more impressive. Given that pack prices have been dropping 18%/yr, pack prices dropping to $100/kwh is about 2.5 years away. Hiring for a production process that matures ~2 years in the future seems feasible. Maybe they are talking about pack prices? Educated guesses of pack vs cell cost: https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/ https://about.bnef.com/blog/behind-scenes-take-lithium-ion-b...

WorldMaker 7y ago

Regarding the additional question, how often do stationary batteries exist in the wild? Laptops and phones see a lot of jostling and probably some extremes in temperature. I'd imagine the concerns for individual cells may be somewhat universal given the variety of uses we put them to.

natch 7y ago
>how often do stationary batteries exist in the wild? The answer in five years will be very different from the answer today. Suffice it to say, increasingly often with industrial scale energy storage such as the Hornsdale project in Australia. https://www.energy-storage.news/news/undeniable-success-south-australias-129mwh-tesla-battery https://www.energy-storage.news/news/undeniable-success-sout...

ksec 7y ago

There is a difference between Battery Cell and Battery Pack, which the article wasn't very clear although I seriously doubt $100/kwh is for Battery Pack. Current estimate of Battery Pack is roughly ~$150 / Kwh.

jseutter 7y ago
Commenting on your comment, the cost of the battery pack is roughly 70% cells and 30% battery pack. Using those numbers, cells at $100/kwh would result in packs costing roughly $143/kwh, vs the current situation where cells are costing them roughly $105/kwh. It doesn't seem like enough of a drop to warrant the hyperbole in the article if is a ~5% drop in cell price. Maybe they are talking about making packs for $100/kwh, which would be more impressive. Given that pack prices have been dropping 18%/yr, pack prices dropping to $100/kwh is about 2.5 years away. Hiring for a production process that matures ~2 years in the future seems feasible. Maybe they are talking about pack prices? Educated guesses of pack vs cell cost: https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/ https://about.bnef.com/blog/behind-scenes-take-lithium-ion-b...