Elon Musk addresses Battery Day speculation

Tesla’s Battery Day is less than a month away, and there’s no lack of buzz about what might be revealed. CEO Elon Musk has shot down several attempts to discover subliminal messages within Tesla’s announcements and other relevant topics of discussion, practically reinforcing the fact that we, as a community, have no idea what will go down on September 22nd.

Battery Day is probably the most awaited event for Tesla due to the importance it holds for the potential growth of the company. Tesla will not only revolutionize the way electric vehicles work, but it could also disclose the company’s ambitions to achieve price parity with gas vehicles. What goes down on September 22nd will be big and the whole EV community will watch.

The fact that Amprius Technologies Headquarters is located across the street from Tesla’s Kato Road Facility in Fremont, California, was initially discovered by several members of the EV group. In an article published August 26th, CleanTechnica had also revealed that there could be a connection between Tesla and Amprius.

There was plenty of evidence that Tesla might be using silicon nanowire engineering from Amprius Technologies for their new cell innovations. But Musk immediately shot down any suggestion that the two companies were linked.

Tesla also published a mysterious history to add fuel to the fire for its Battery Day and Shareholder Meeting Livestream page, which left plenty of people interested in what the design would mean.

Electrek, for example, suggested that a simple reverse lookup of the image on Google showed that it also had a similar design to silicon nanowires, which would also connect Tesla to Amprius once more.

While the EV community has been baffled by what the design is for the Battery Day and Shareholder, Musk finally provided an update on the image.

“We were too obtuse for our own good, although I think it works aesthetically,” Musk said in a Tweet that was in response to a @WholeMarsBlog question. “Those are folded-over current collectors at the top/bottom of the cell, which are important, but I don’t want to jump the gun on Sept 22,” he added.

Current collectors are critical if the electrochemical efficiency of a lithium-ion battery cell is to be improved. The collectors are typically made of aluminum or copper foils and attached to binders which do not reach maximum performance. However, a paper from Yuan Yue and Hong Liang notes that there is a compromise in structural integrity when these collectors are weakened by the cast layer detachment caused by discharge. Typically this damage is the result of prolonged charge cycles and can be harmful to a cell’s lifespan.

It is unclear if that has anything to do with what Tesla will be announcing at their Battery Day case. Speculating on what might happen is a positive thing. Since it encourages community members to work together and try to understand what might happen.

Meanwhile, Musk has foiled all attempts to reveal Tesla’s plan, suggesting that no one really has any idea what the firm has in store for the future of electric vehicles and energy storage systems.

Reported by Teslarati.

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