At a 2011 Cleantech Forum in San Francisco, Tesla CEO Elon Musk was quoted saying that the way forward for electrical autos would not be powered by lithium-ion,
If I had been to make a prediction, I might assume there is a good probability that it isn’t batteries. But capacitors.”
Today he could also be making good on his prediction. The electrical automobile producer confirmed that it has acquired a small San Diego lab that owns ultracapacitor patents and expertise.
Maxwell Technologies gives dry electrode manufacturing expertise that can be utilized to make to make batteries that energy electrical autos and renewable vitality techniques. The firm introduced that in an all-stock transaction it will merge and turn out to be a completely owned by a subsidiary of Tesla.
“We are very excited with today’s announcement that Tesla has agreed to acquire Maxwell. Tesla is a well-respected and world-class innovator that shares a common goal of building a more sustainable future,” mentioned Dr. Franz Fink, President and Chief Executive Officer of Maxwell. “We believe this transaction is in the best interests of Maxwell stockholders and offers investors the opportunity to participate in Tesla’s mission of accelerating the advent of sustainable transport and energy.”
The lithium-ion batteries at present utilized in electrical autos are costly and heavy, and placing sufficient battery cells on a the forms of massive, heavy autos that buyers choose to provide them a driving vary that rivals standard gasoline tanks typically makes them cost-prohibitive (assume: $130,000 Model X). But ultracapacitors may very well be the important thing that solves this drawback.
Capacitors retailer vitality like a battery, however they are often close to instantaneously charged, present rapid bursts of vitality, and have considerably better longevity, which solves the battery degradation drawback that many Tesla homeowners who frequent Supercharging stations run into.
However, Maxwell’s then-CEO Dave Schramm mentioned in 2011 that the expertise may enhance however not ‘supersede’ batteries:
Ultracaps in right this moment’s configuration cannot substitute batteries. They’re very completely different — the battery is an vitality gadget, and the ultracap is an influence gadget. Batteries have 10 instances the facility of an ultracap, and ultracaps have 10 instances the facility. I would not say ultracaps can “supercede” batteries, I might say “complement.”
Either means, the the expertise may assist remove vary anxiousness or present the identical vary with smaller batteries. It may be utilized to its vitality storage companies.
News of this acquisition can also be vital as a result of Tesla not often purchases firms, preferring to innovate and implement its personal expertise options.
However, a Tesla spokesperson responded in electronic mail, “We are at all times in search of potential acquisitions that make sense for the enterprise and assist Tesla’s mission to speed up the world’s transition to sustainable vitality.”