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Old 08-18-2019, 03:58 PM   #1
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Default Battery and drive systems for new EV

I have been looking at some of the easily available PR info on the different EVs that are approaching road readiness in the next 5 years. It looks like each manufacturer (BMW, MB, Volvo, Jaguar, etc) is developing their own systems for storage and charging. Is this true? I would think that they might want to team up or just buy from another established source (Tesla) the basics of the battery/charge system. At some point they are going to have to standardize nationwide battery stations. They can always add special feature to the software or a better subcomponent to set them apart. This multiple design scenario is much like the ClassB world where each brand tries to make its own battery system that results in a large variation in quality and a servicing nightmare at dealers. If the future is going to consist of people leasing if they even drive a car or just Ubering, then standardize now.



My wish is that a standardized, reliable, powerful and low price point system comes to market soon that could be easily implemented in a classB. In my opinion, currently Volta is such a system except for greatly missing the low price point. Right now, how many people are eager to go to a dealer to have them work on your battery system, even if they originally installed it?
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Old 08-20-2019, 12:39 AM   #2
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To answer my question, there seems to be several standards for EV systems when looked at from the charging approach. A good overview (don't worry it is not technical) is https://energypolicy.columbia.edu/si...port_Final.pdf . When the dust settles, there should be many high quality components that would make a great classB battery systems. Just like all the high quality camera components and distance sensors that can now be purchased for dollars because of their mass production for cars, higher functioning batteries with the necessary controllers should too become cost effective. It will be interesting to see if the US has a chance to be a driver of the standards.
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Old 09-25-2019, 12:47 AM   #3
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WIRED has an article on the (near?) future Tesla battery:
https://www.wired.com/story/tesla-ma..._term=list1_p4.


In it they reference a recent paper from the Tesla Canada battery group that is interesting:


A Wide Range of Testing Results on an Excellent Lithium-Ion Cell Chemistry to be used as Benchmarks for New Battery Technologies


But what is really good if you are into the deep basics of batteries is that papers on the Electrochemical Society will be free OCT 21-27:


https://www.electrochem.org/ecs-blog...ess-week-2019/
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