Originally posted by SunEagle
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Originally posted by SunEagle View PostMaybe Tesla Batteries will be that breakthrough.
The Roadster battery at first was impressive until you took a close look at it and discovered a Nightmare with some 10,000 failure points including liquid cooled. I suspect they are going to use some form of a Pouch or Prismatic large for cells to stack them like a Leaf in nice brick like fashion and do away with parallel configurations. What I am skeptical about is the 500 mile claim. If they could possible achieve 200 wh/mile would require a 125 Kwh battery, but reality is closer to 300 wh/mile. Todays cost for a 125 Kwh Lithiun depending on chemistry would cost $31 to $150K weighing from 1400 to 2750 lbsMSEE, PEComment
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Originally posted by Sunking View PostNot sure Tesla really has anything up its sleeve. You read some reports it is a Graphene battery, or Lithium Air-Metal. All I know for sure it is a Panasonic design and a lithium XXXX fill in the blank. The move is not made to produce a new lithium battery type, but to greatly lower Tesla cost on batteries which is the most expensive peice of the car.
The Roadster battery at first was impressive until you took a close look at it and discovered a Nightmare with some 10,000 failure points including liquid cooled. I suspect they are going to use some form of a Pouch or Prismatic large for cells to stack them like a Leaf in nice brick like fashion and do away with parallel configurations. What I am skeptical about is the 500 mile claim. If they could possible achieve 200 wh/mile would require a 125 Kwh battery, but reality is closer to 300 wh/mile. Todays cost for a 125 Kwh Lithiun depending on chemistry would cost $31 to $150K weighing from 1400 to 2750 lbs
That was the idea to the lower production cost of Thin Film solar cells as to Mono Silicone cells. Unfortunately it is cheaper to make using the thin film technique but they are lower in efficiency and have a shorter life. I have not seen a huge surge toward thin film and away from mono. Maybe the thin film price has not come down far enough yet.Comment
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Originally posted by SunEagle View PostI guess the key to the better battery is to find a material(s) with a high energy density yet is as cheap as sand. Still if you can make a lot of batteries faster that reduces cost and opens the market to more sales.MSEE, PEComment
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