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First look at Tesla Semi’s giant 1000-volt battery pack

First look at Tesla Semi’s giant 1000-volt battery pack

The Tesla Semi has already begun its vehicle deliveries, but relatively few details have been fully revealed by the electric vehicle maker regarding the final specifications of the Class 8 all-electric truck. Thanks to a photo posted by Nevada Governor Joe Lombardo, however, the EV community has been provided with a first look at the Tesla Semi’s monster battery pack.

Tesla recently announced a $3.6 billion investment in northern Nevada. The investment will be used to expand Gigafactory Nevada’s footprint by adding a high-volume Tesla Semi factory and a 100 GWh 4680 cell production line to the existing plant. In an official announcement on Twitter, Tesla said that the expansion will pave the way for 3,000 more team members to join the company.

Governor Lombardo, who teased the massive Tesla investment in his State of the Union address, posted several images from his visit to Gigafactory Nevada. Interestingly, one of the pictures posted by the governor was taken with a Tesla Semi’s 1000 volt battery pack in the foreground.

A previous leak late last year from longtime Tesla hacker @greentheonly showed the Tesla Semi being equipped with multiple battery modules arranged in a 3×3 pattern. Interestingly enough, the leaked graphics show a modular battery pack, with some sub-packs easily disconnected for versions of the truck with less range.

A look at recent photos from Governor Lombardo shows that each of the Tesla Semi’s battery packs are huge. Their shape also suggests that the Tesla Semi pack has layers of battery cells, which are quite different from the typical single-layer battery modules used in cars like the Model S and Model 3. While the picture of the Governor only gives a glimpse of it. cm battery. , the refined look of the pack shows that the Class 8 truck is ready for mass production.

During the Q3 2022 earnings call, Tesla CEO Elon Musk confirmed that the Semi, at least in its current iteration, does not yet use the company’s 4680 cells. Given that the Gigafactory Nevada expansion notably includes the 4680 cell production line, however, it seems likely that the Semi will convert to the company’s new battery form factor in the future.

Aluminum on Battery which is quite a unique type of technology While the automotive industry puts a lot of confidence in its current battery lineup, some outlandish battery technologies may leave the world wondering, what if a battery appeared that could hold a charge for a lifetime. Charges up to three times longer and up to 70 times faster than your typical lithium-ion battery.

These are exactly the kind of battery innovations Graphene Manufacturing Group has to offer, so how this groundbreaking battery charges so quickly is a significant step closer to reality for a world-class type of battery, Graphene Manufacturing Group or DMG and United Thanks to the nation’s diversity of Queensland research as well as Uniqueness embarked on their scale-up research project on graphene aluminum ion batteries which are not only lighter and cheaper to charge.

But it also has better environmental credentials and has a longer lifespan than other lithium-ion counterparts. So how much does a graphene aluminum ion battery cost? The materials used by GMG’s batteries which include natural gas and aluminum are readily available around the world, all of them are difficult to source and difficult to dispose of rare earth elements. are tough, the cost of an average Tesla 4680 battery pack in 2022 at one hundred and one dollars per kilowatt hour will be unnecessary.

Tesla Thus if you own a Tesla Model Y standard range with an estimated battery capacity of 60 kWh, the graphene aluminum ion battery pack for a revolutionary battery will cost 4680 or 1515 instead of six thousand sixty dollars, a price that is actually I am cheap. The market is already dominant due to the less dense material base and lower overall weight which clearly pays off in logistics but charging time is what most electric vehicle owners care about.

So how long does it take to charge a graphene aluminum ion battery Graphene aluminum ion sold from graphene manufacturing group claims it charges up to 70 times faster than the best lithium ion cells this battery charges so fast Originally thought to be a super capacitor, GMG’s CEO claims it charges an iPhone coin cell in less than 10 seconds.

The characteristics compare favorably against typical rechargeable lithium-ion type coin cells, which take three to six hours to recharge. But does the GMG’s success lie in battery weight? Tesla’s 4680 battery cell weighs 355g while the graphene aluminum ion cell weighs 89g compared to nickel, talking about a nanotechnology breakthrough.

Nichols says this is what allows GMG’s cells to be so lightweight. Plus graphene offers major advantages over aluminum ion batteries in terms of long battery life, so we can actually get over 2,000 charge slash discharge times how many years can you expect to cycle and test? As long as there is no degradation in performance, which means it can last up to 45 years, unlike lithium-ion batteries which have a lifespan of up to 15 years.

their performance degrades with charging cycles so how will the energy density of this battery compare to lithium ion uh we are sitting at 150 160 watt per kg and then we are sitting at around 7000 watt per kg when it comes to energy density The not-so-impressive graphene aluminum-ion prototype cells tested so far offer energy densities between 150 watt-hours per kilogram and 160, while Tesla’s 4680 battery will offer 260.

But that’s not a concern for nickel, he claims. It has the potential to offer three times the energy density compared to lithium-ion cells. In fact Oak Ridge National Laboratory once tested an aluminum-ion cell at 1060 watt-hours per kilogram of lithium ion. Presented with a range of 406, but apart from that another important advantage of the cells present is that they have a high power density of 7,000 watts per kilogram, for comparison lithium-ion batteries provide a maximum of 340.

Another major point we have to discuss is safety. So is this battery really safer than Lithium Ion? Aluminum-Ion batteries won’t need to heat nearly as much as Lithium-Ion, will they go from zero in the test? are down to about 20 percent of the weight and cost associated with lithium-ion battery packs due to the high-performance cooling system, which can be eliminated in most graphene aluminum ion batteries.

Use cases that do not require a circuit to cool or heat them currently account for about 80 kilowatts in 100 kilowatt-hour packs. How graphene aluminum ion batteries manufactured directly from natural gas affect the environment Graphene powder is produced by GMG’s patented production technology Clear environmental benefits Crushing the powder into pellet size using nanotechnology developed in conjunction with the University of Queensland is given and implanted with small aluminum ions.

Currently about 90 percent of aluminum products are recycled. GMG’s graphene aluminum ion battery will be incorporated into the aluminum cycle installed in this well, but in addition hydrogen is a by-product of the manufacture of graphene aluminum ion batteries that can be used to generate electricity in the transportation sector. Fuel cells have additional uses for electric cars, so can this be implemented in real life with that coin cell uh Paula Plant and imagine the electricity.

We are currently looking to have a single cell commercial prototype for customer testing in six months and a pouch pack commercial prototype for use in mobile phones, laptops, etc. for customer testing in 18 months, said Craig Nicholls, CEO of GMG . , There seem to be a lot of opportunities for this technology and automotive applications, especially considering how well it performs at speed. According to GMG charging and regenerative braking conditions, aluminum ion batteries are virtually interchangeable with lithium-ion batteries in many applications.

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