Tesla's Battery Tech Explained: Part 1 - The Cell

This is the first of a three part video series which will explain Tesla's battery technology in depth, with this video focusing on the cell technology.

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[ClockworksOfGL]

There’s a lot of misinformation about Tesla’s battery, but I can find almost nothing wrong in this video. You’ve done your homework. Thank you.

[Francisco-je]

This is the greatest video on the subject.

[BillyWu]

So insightful! Thank you EV-Tech Explained. I felt you Explained EV-Tech very well.

[stevebakker]

Brilliant. Nothing else like this out there. Keep up the great work.

If your other videos have not yet explained why the Model 3 seems to charge faster than the Model S, that would be a good topic.

[webpkric]

More popular channels had fluff in their videos. This is what I was looking for. Thanks.

[cartmanator]

Great video! Couldn't give a better/deeper insight in 15 minutes about the battery cell technology!

[hectorbenitez]

More battery chemistry videos please. Very educational. If you are able to cover every detail of the 21700 Tesla battery production and manufacturing I would be very happy, and I suppose other viewers as well. Thanks.

[mckennab]

This is the most informative article I've seen on battery technology.would love to see an in depth one on 2170 chemistry and explanation of how increased levels of silicon are physically accommodated within the battery.

[timcoleman]

Great presentation. Very good graphics. Looking forward to the next part. I'm interested in all battery chemistries and structural designs. Keep up with the supercapacitor field as well.

[HHGTYG-ug]

This is a brilliant series very very helpful thank you. I’d really love a detailed explanation of the BMS system used by Tesla or other manufacturers thanks again

[paualmini]

thanks for the series, very informative, great videos. one little detail, at 14:33, i believe the picture of NCA was meant to be there, but a picture of NMC was on that slide instead. thanks.

[francisgaliegue]

Very well documented and very explanative --> subscribed!

Another video I'd love to see if you get the time is why Tesla chose to use AC induction motors for the Model S and X, but "reverted back" to permament magnet motors for the Model 3 and, it seems, its semi as well.

[hangidukdd]

Great and informative video. It is really helpful for me to learn about battery.

[videopipeline]

Cylindrical cells are not more difficult to cool than the other types. But it is more difficult to control internal cell temps in larger cells. That is one of the reasons why AC Propulsion (and later, Tesla) originally used so many small 18650 cells (the other being standardization) to build large battery packs, and why they more recently came up with an all-new slightly larger size (21700) instead of using the next larger industry-standard size (26650). Prismatic cells are *not* easier to cool, expecially not considering that prismatic cells are available in larger sizes, making them simpler to use for large packs, and especially suitable if high amp loads are not required .

[simon-pierrelussier]

I'd definitely like to know what is the effect of cold on those EV batteries (and I'm sure others would like to know in better details why cooling is important). I know the max charge/discharge rate is reduced in cold temperature, but there has to be something in the chemistry going on that reduces the total electron capacity as well, based on my own Canadian experience of nearly 4 years, and I haven't found solid info on this.

[bvishalkn]

Awesome video, waiting for your next upload!

[anilcs]

Great info. Could you please post or point to a detailed manufacturing process of 18650 lithium cells?

[vishaldama]

Can i get a similar kind of explanation on how to choose a prismatic cell for a particular chemistry which can give me a high range for the LCV (Light Commercial Vehicle ) range with high specific energy and high safety .

[solarstacks]

The 18650 was determined by ACPropulsion to be the lowest cost per kWh. Their T-Zero is what Tesla licensed and made the Roadster design on. They use their AC motor, controller and battery design.
Then Tesla re-engineered the AC motor and controller and stopped paying the license fee to ACP after 6 months. Rather than sue ACP let it go so both would not fail. ACP also made the MINI-E, the XBox and other EVs.

[patriciotorre]

Awesome video. Is there any way I could get my hands on one of the tesla cells you used in the demonstration?