Tesla Battery 101, How does it work?

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[KennethThysbjergJensen]

You forgot to talk about one of the main reason why the batteries are round. They use a cooling system for the battery cells that goes around the cylinder batteries. One of the main reasons for the battery efficiency of tesla car batteries is that they can easily keep the cool.

[JohnMarcinkus]

Hard to believe they only make 10 cars a week

[macbuff]

Tesla needs to get its quality control up. And by a lot. It's easy to build a few luxury cars. Making affordable quality cars in large numbers is something that Tesla still needs to learn. Recently VW hired a former Tesla engineer. Tesla needs to get its act together if it wants to survive. Tesla also doesn't design its own batteries. They are made by Panasonic as well as LG

[JimmySeahawk]

You missed the biggest difference between the 18650 and the 21700, which is power density.

The 21700 cell has been claimed to have 40% more active battery volume, even though it is only slightly fatter and taller.

[grendelum]

My new house will have a *Tesla SolarRoof* and a pair of *PowerWalls* (among other whizbang renewable tech)... 11 days without power in the _sweltering_ SW Florida summer after *Hurricane Irma* is not something I ever want to repeat !! I’m stupidly excited and really happy the *SolarRoof* became available... I live in a _“historic”_ neighborhood so now I get a solar PV system without the headache of the local hoop approval !!

[jagim]

I think that the 2170 battery also have a different chemistry, so the 2170 IS better 1865. I remember hearing this in a quarterly investor call with Tesla.

[mukamuka]

Great job at explaining. keep up the good work man.

[DihelsonMendonca]

It would be interesting that EV have connectors that we could connect our houses, computers and all electric stuff to take advantage of all this power.

[Krupnoklipac]

I like this type of car batteries because if you crash your car, those little pieces would just get scattered all over and have much more chances to remain unbroken. If you have 1 big solid housed battery, on every impact they will get broken and leak and explode or whatever. I think this type is way more safer then other types.

[yutuniopati]

5:50 About Sodium-ion batteries, according to the french searcher who are develloping it they are not here to replace the lithium-ion batterie because of their low energy density. Instead they are focussing on develloping it for big batteries pack (like a home energy storage) or incidentally for rental car because of the hight speed charge of the sodium-ion batteries.

[bowaskikanda]

It is the Anode which is positively charged and not the cathode.

[feketefeher]

can you make a video specifically about battery recycling? what is the current technology for that and how spread is it in the world? the newest critique for lithium-ion batteries is that it pollutes the source place where most likely poor people live.

[gozumrafael]

Original technology was from the battery called eneloop. Bought by panasonic from the soft energy division of Sanyo Electric which developed the technology that until now has not been surpassed by any commercially produced cells

[ateebtahir]

1:28. The 18650 cells are made by panasonic. + They are not 65mm wide they are actually 6.5mm. I think that may be just a mistake.

[WhispersOfWind]

Nice, relaxing beats onto the background.

[henryzhang]

5:00 you said the core technology can't be copied, you mean battery technology? but isn't it the technology of the battery manufacturers like Panasonic and CATL?

[rogernevez]

5:10 I've though there was a mosquito near by. But it was just a bad violin. Any one else?

[Veagence]

It’s 2018 and most batteries on our phone haven’t improved from 10 years ago

[MrArtist]

On the 2170 Tesla batteries, I was told by an ex-Tesla engineer, personally, at my house, to wait to buy a Tesla that has the 2170 battery as some of the chemistry in the battery has upgraded and is more superior, in every way. I'm taking his suggestion.

[shivdattawaghmode]

Please make video on electric vehicle calculations such as range at top speed, range at given speed, coefficient of drag, rolling resistance, initial power and torque needed to start the electric vehicle, how much energy needed for a specific range, how much energy needed for a specific speed ...