

News
Tesla’s metal-air battery patent: Carpe ‘Battery’ Diem or yesterday’s news?
Tesla was recently granted a US patent titled, “Hazard mitigation through gas flow communication between battery packs,” and with the company’s Battery Day event around the corner, anything that may foretell what the revelations will be is seeing some serious consideration. Given that this invention describes a cooling process between a combined metal-air battery pack and non-metal-air battery pack, a first glance suggests that the patent is a Roadrunner-related hint. On this particular patent, though, there’s a bit of background to consider that might not indicate what the application title plus the patent’s publication date implies.
First, U.S. Patent No. 10,763,477 was issued on September 1, 2020, and Tesla’s Battery Day is September 22, 2020; however, the patent’s filing date goes back to January 16, 2017. When it comes to inventions at the US Patent and Trademark Office (USPTO), it’s not uncommon for the legal side of the patent process to take several years to complete, and there are few options available to speed up the process. But even these simple dates don’t tell the whole story on this patent’s timeline.
In addition to being several years in the making, this patent is a continuation of another patent (U.S. Patent No. 9,548,616) which was filed in 2011 with a provisional priority date in 2010. Considering the Model S’s debut took place in June 2012, it would seem that hopes of metal-air batteries getting a Battery Day feature become a bit less bright. Of course, it might be possible that Tesla has been working on the incredible tech that CEO Elon Musk has promised for next week’s event, as he is often full of surprises. Unfortunately, that doesn’t really seem to match either the USPTO’s record of the patent’s history nor the battery-related events that have been reported over the last year for Tesla.
The core of Tesla’s most recently issued patent involves mitigating thermal runaway events that battery packs can be prone to experiencing. By introducing a metal-air battery to the overall lithium-ion vehicle battery system, a cooling method is made possible. As described in the application:
“The present invention provides a system and method for mitigating the effects of a thermal event within a non-metal-air battery pack. In accordance with the invention, the hot gas and material generated during the event is directed through the metal-air cells of a metal-air battery pack, the metal-air cells providing a large thermal mass for absorbing at least a portion of the generated thermal energy before it is released to the ambient environment, thereby lowering the risk to vehicle passengers, bystanders and first responders as well as limiting collateral property damage.”
This same description of the invention’s purpose is also included in its parent patent which has a priority filing date in 2010. While the specific claims (legal descriptions of what’s actually invented) in the recently published patent look to be a bit broader in scope than the older patent, thus indicating Tesla has either continued to develop and improve on the thermal runaway mitigation system or is trying to gain more extensive patent rights, another notable point is in the legal prosecution history at the USPTO.
The patent examiner in the case did not deem the two patents to be unique enough to have different expiration dates, and what’s called a Terminal Disclaimer was required for Tesla to be granted the patent rights. In other words, Tesla’s described battery technology in this particular case hasn’t changed significantly (according to the examiner) since it was first filed back in 2010. It may already be incorporated into the company’s current vehicles in some capacity.
Even without this patent’s promise of metal-ion battery tech as an inclusion in Battery Day revelations, there’s still plenty to look forward to. As some have dubbed the event “Master Plan Part 3,” Tesla is expected to detail its in-house production strategy and give a first look at its company-branded battery cells.
Tesla’s patent could be accessed below.
US10763477B2 by Simon Alvarez on Scribd
Elon Musk
Tesla Full Self-Driving’s European launch frustrations revealed by Elon Musk
Tesla plans to launch Full Self-Driving in Europe later this year, but regulatory bodies are proving to make it a bigger challenge than it needs to be.

Tesla Full Self-Driving is set to launch in Europe in the future, but the region’s governing bodies are not giving the suite any chance to move forward, according to CEO Elon Musk, who blames the regulatory processes for robbing citizens of a safer mode of travel.
The automaker revealed late last year that it planned to bring Full Self-Driving to Europe sometime in 2025. However, Musk said that the launch of the suite is being continuously prolonged by both individual and European Union officials, dragging their feet with approvals.
In a post on X on Wednesday, Musk said the company is still dealing with and waiting for approvals from both the Dutch government and the EU’s governing officials, giving an indication that some progress has been made, but ultimately, there are still some bodies that are taking their time:
Waiting for Dutch authorities and then the EU to approve.
Very frustrating and hurts the safety of people in Europe, as driving with advanced Autopilot on results in four times fewer injuries!
Please ask your governing authorities to accelerate making Tesla safer in Europe. https://t.co/QIYCXhhaQp
— Elon Musk (@elonmusk) June 11, 2025
He continued by stating that the delays are “very frustrating” and they “hurt the safety of people in Europe” because of Autopilot’s statistical prowess, which shows it is much safer than human drivers.
Tesla is readying for the launch of a completely driverless Robotaxi platform in the U.S., which is set to occur in the coming days. While the initial rollout of the platform will be reserved for a select few, public rides are slated for June 22, meaning anyone will be able to come to Austin and hail a Tesla Robotaxi through the company’s smartphone app.
The first Robotaxi without a driver was spotted in Austin yesterday and shared on X:
First Tesla driverless robotaxi spotted in the wild in Austin, TX
Musk dropped several hints that the Robotaxi launch, which has been rumored for June 12, is imminent. For now, the operation will take place in Austin and will eventually expand, likely to California next, as noted in past reports. The City’s official website confirmed that Tesla gained a license as an Autonomous Vehicle operator in the City of Austin earlier this week.
Tesla applied for a similar license in California earlier this year.
Energy
Tesla Lathrop Megafactory celebrates massive Megapack battery milestone
The Tesla Megapack is the backbone of Tesla Energy’s battery deployments.

The Tesla Lathrop Megafactory recently achieved a new milestone. As per the official Tesla Megapack account on X, the Lathrop Megafactory has produced its 15,000th Megapack 2 XL battery.
15,000 Megapack Batteries
Tesla celebrated the milestone with a photo of the Lathrop Megafactory team posing with a freshly produced Megapack battery. To commemorate the event, the team held balloons that spelled out “15,000” as they posed for the photo.
The Tesla Megapack is the backbone of Tesla Energy’s battery deployments. Designed for grid-scale applications, each Megapack offers 3.9 MWh of energy and 1.9 MW of power. The battery is extremely scalable, making it perfect for massive energy storage projects.
More Megafactories
The Lathrop Megafactory is Tesla’s first dedicated facility for its flagship battery storage system. It currently stands as the largest utility-scale battery factory in North America. The facility is capable of producing 10,000 Megapack batteries every year, equal to 40 GWh of clean energy storage.
Thanks to the success of the Megapack, Tesla has expanded its energy business by building and launching the Shanghai Megafactory, which is also expected to produce 40 GWh of energy storage per year. The ramp of the Shanghai Megafactory is quite impressive, with Tesla noting in its Q1 2025 Update Letter that the Shanghai Megafactory managed to produce over 100 Megapack batteries in the first quarter alone.
Tesla Energy’s Potential
During the first quarter earnings call, CEO Elon Musk stated that the Megapack is extremely valuable to the energy industry.
“The Megapack enables utility companies to output far more total energy than would otherwise be the case… This is a massive unlock on total energy output of any given grid over the course of a year. And utility companies are beginning to realize this and are buying in our Megapacks at scale,” Musk said.
News
Tesla launches “TeslaVision” video contest to celebrate Model Y deliveries
The program marks a revival of Tesla’s popular Project Loveday initiative back in 2017.

Tesla has announced the TeslaVision Contest, a global video showcase inviting fans and owners to highlight the impact of the company’s vehicles on people.
The program marks a revival of its Project Loveday initiative in 2017, which was extremely well-received by the electric vehicle community.
A Contest to Celebrate the New Model Y
As per the TeslaVision contest’s official website, the program is being rolled out to commemorate the launch and deliveries of the new Model Y across all continents. Thus, the contest could be seen as a global celebration and showcase of owners and fans who made Tesla the household brand that it has become today.
Participants are tasked with creating a 90-second or shorter video demonstrating how Tesla vehicles provide “more freedom, more safety, more fun, more convenience.” Submissions must be uploaded to YouTube and shared on X and Instagram with the tag @Tesla and the phrase “TeslaVision contest.”
Videos must align with Tesla’s mission to accelerate sustainable energy, be suitable for all ages, and avoid references to non-Tesla brands. English text or voice-overs are required, and entrants must relinquish rights to their content for Tesla’s commercial use.
A Big Prize Awaits
When Tesla launched Project Loveday in 2017, the company noted that the contest’s winner would receive an all-expenses paid invitation to an upcoming Tesla product launch. For TeslaVision, the grand prize is a lot more tangible, with the winner receiving a new Model Y AWD. They will also get an all-expenses-paid trip to Gigafactory Texas. Second and third-place winners will also receive a Giga Texas tour.
Finalists will be selected based on creativity, originality, relevance to the prompt, and entertainment value. Tesla will shortlist 100 videos, with the top 10 subject to public voting to influence the final judging. The contest is open to legal residents of the United States, Mexico, and Canada, aged 18 or older, with a valid driver’s license and Tesla account. No purchase is necessary, though entries are limited to just one per person.
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