In this article, I’m going to go over Tesla’s lithium metal and anode-free battery patent, which will unveil the secrets behind Tesla’s new battery technology.
While Elon Musk is knowledgeable about the ins and outs of batteries, he certainly doesn’t have time to conduct battery experiments.
As a result, Musk has formed a Tesla battery research team that is spearheading the progress in Tesla’s new battery.
This team is led by Jeff Dahn, one of the pioneering developers of the original lithium-ion battery.
Jeff Dahn has recently been working on the next-generation battery technology that he expects will eventually overtake lithium-ion batteries as the most useful cell composition.
While there has been plenty of hype around solid-state batteries, Jeff Dahn believes that the future of batteries is going to be a completely different battery cell. Lithium metal and anode -free batteries.
To clarify some confusion, lithium metal and anode free are not two different batteries. Rather, this is one type of battery named lithium metal and an anode-free.
This technology has been revealed in Tesla’s new battery patent, which goes over Jeff Dahn and his team’s experiments with the battery.
Many researchers have previously attempted to manufacture lithium metal and anode free batteries. However, there have always been certain shortcomings.
Tesla explains these hurdles in lithium metal battery patents, stating that “challenges with lithium metal and anode freed lithium batteries have prevented their widespread adoption.
For instance, developing electrolyte compositions that allow for commercially acceptable cycling performance of lithium metal and anode-free lithium batteries is critical to gaining adoption of such battery systems”.
Jeff Don and his team are saying that while lithium metal and Anode-free batteries have plenty of benefits, the current lithium metal batteries aren’t able to have a high enough lifetime for commercial use.
This is important because while lithium-ion batteries can withstand hundreds of thousands of cycles, the current lithium metal batteries aren’t even able to last a few hundred cycles.
While previous researchers have failed, Jeff Dahn believes he has found the solution.
Dahn and his team stated that “until present disclosure, the consensus in the industry is that an electrolyte with lithium Dorfuoro borate salt alone best increases the capacity retention of lithium metal and earthly lithium cells”.
By testing unconventional tactics, Jeff Dahn was able to beat the general consensus in the battery industry. By using a new electrolyte, Dahn’s team created systems that exhibited improved capacity retention.
This battery is more energy-dense, is less expensive, and is easier to assemble due to his lack of anode coding.
While Jeff Dahn hasn’t released any numbers on the energy density, recent tests not done by Tesla on the lithium metal and anode free technology were able to achieve an energy density of 2600 watt-hours per kilogram.
After this energy density is converted to a driving range, this would equate to roughly three thousand six hundred fifty miles of range.
A battery with an energy density this high would not just revolutionize automobiles, but practically every other device.
While this technology is exciting, the truth is that it’s still in development. Jeff Dahn’s experiments were only able to get the battery to last roughly 75 cycles, far less than the arranged lithium-ion batteries can achieve.
To put this into perspective. Jeff Dahn’s tests with lithium-ion batteries were able to push the battery to 6,000 cycles, whereas, his tests with lithium metal were only able to push the battery to 75 cycles.
While this may seem discouraging, keep in mind that if Don’s battery can achieve a range of 3000 650 miles, this would mean that the battery would still have a lifetime of close at 275 thousand miles.
A quarter of a million miles may not seem like much in hindsight, but it’s a sign of much more to come.
As Tesla’s lithium metal battery technology continues to improve with Dahn’s research, lithium Metal and anode free technologies will eventually take over lithium-ion batteries.
This would allow for more profits with vehicle-to-grid technology and Robo taxis, ultimately letting Tesla owners make boatloads full of money with their Tesla’s.
To top it off, a range as high as three to four thousand miles would mean that electric vehicle owners may only have the charger vehicles once every few months.
Along with this, other electronic devices, including laptops, cell phones, and watches, would only need to be charged once every week.
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