StoreDot says its battery tech charges 10 times faster


Put this one in the “If it can do what they claim, it really will be revolutionary” category. Israeli battery developer StoreDot says its EV FlashBattery can charge a 300-mile battery in 5 minutes – almost 10 times faster than today’s state of the art.

In 2014, StoreDot demonstrated the FlashBattery, which it says can charge any smartphone in just one minute, and can last for thousands of charge/discharge cycles.

The company raised $18 million in its latest funding round, bringing total investment in the startup to $66 million. It intends to use its new funding to enter the EV market.

The company’s new EV FlashBattery contains around 7,000 cells, and has a capacity of 80 kWh, enough to power nearly 300 miles of driving.

“It is typically easier to charge faster and to manage the health of the cells when they are smaller,” explains founder and CEO Dr. Doron Myersdorf. “This is similar technology to what Tesla has done with Panasonic cells.”

The secret behind the astounding charging rate is a hybrid multifunction electrode (MFE), which enables the FlashBattery to combine two types of energy storage, incorporating the high-power rapid-charging capability of a supercapacitor with the high energy density of a Li-ion battery.

Does that speedy charging ability result in shorter battery life? On the contrary, says StoreDot – its FlashBattery offers “four times more charge/discharge cycles compared to any existing battery. Using compounds that are less likely to metalize during these cycles, FlashBattery eliminates the risk of an internal electrical short almost entirely, which significantly prolongs battery life expectancy.”

Oh, by the way, it’s also safer, greener and cheaper:

“The FlashBattery contains non-flammable organic compounds encased in a multi-layer safety-protection structure that prevents over-voltage and heating, and is therefore considerably safer than traditional LiBs.”

“In contrast to other batteries that contain toxic heavy metals, StoreDot’s materials leave a minimal environmental footprint.”

“StoreDot’s organic and polymer electrode raw-material compounds are readily available and reduce the overall cost of the battery.”


Sources: StoreDot, Geektime, Neowin

  • timerbeltkiller

    Every day another battery revolution.
    Will anyone reach mass production this side of eternity?

    • Electric Bill

      The battery chemistries we enjoy today in our EVs took years to develop, and it will always be that way. Do you REALLY want to buy several thousand dollars worth of batteries relying on a chemistry that was just developed last weekend? Or, maybe you might prefer to be sure that the chemistry doesn’t go sour on you after six or seven years, becoming a rolling bomb or a firetrap, or that turns out to be as hazardous as PCB transformers from years past? Let’s take our time and make sure it’s done right. There are dozens of very promising chemistries and designs– such as nanopore batteries– in the pipeline right now, and more to come after that… it will always be incremental improvements.

  • Bryan

    The Israelis are very smart. And when it comes to advanced electronics, they lead the market. If an Israeli company says that they’ve developed an EV battery that can charge in 5 minutes, then you had better believe that it exists. Good by gigafactory, hello StoreDot.

  • kart

    I hope it becomes a common place and becomes accessible for the general public for purchase too. 🙂 If they really have achieved that without decreasing the energy density and longevity and cost. It really is a remarkable achievement.

  • RingDings

    More dreamers.. Has anyone tracked all the false claims of a revolutionary battery design/chemistry/medium? Anything to get a fat grant!

    • ned_plimpton

      It’s not a false claim just because it’s years away from being in actual production vehicles (if ever). That’s how it works. Everything in EVs today was once a press release from “dreamers” many years ago.

      Those who are designing vehicles and doing actual research into battery technology realize this and finds these announcements useful. It’s everyone else that gets confused about what they’re reading, then angry when it’s not available at the Chevy dealership in two months.

      Also, lot’s of battery R&D announcements is a very good sign. It means many of the world’s smartest people are trying to solve the same problem.

      • Electric Bill

        What I think is perhaps even more important is that if there are only one or two widget makers working to solve the most critical issues with the unsatisfactory widgets we have today, there’s a strong possibility those issues will never be resolved.

        But if you know MIT, IBM, Cal Tech, Rocky Mountain Institute, Stanford… every heavy hitter on the planet… is working on the very issue that is a thorn in your side, it’s an indication that even The Big Guys think it can be handled, and that the more varied and creative approaches to the problem we see being taken, the more likely one or more of those approaches will be able to give us what we sorely need.

        And should there be a plurality of acceptable solutions to our widget needs, all the better– competition will assure low prices and improved products.

  • Knut Erik Ballestad

    But many important questions to any such new technology are still unanswered:

    1. What is the cost structure of this technology?They seem to use inexpensive materials, but are these materials available in volume?

    2. Is it possible to mass produce the batteries, and does the cost decrease along with production volume increases?

    3. Will the technology work in the environment of EV’s, e.g. will the batteries fail on hot/cold climates (ref: Nissans previous trouble in hot climates)?

    4. They seem to depend on supercapacitors to be able to charge quickly, does this also apply to discharging quickly (to make quick acceleration like e.g. Tesla)?

    5. Could not the supercapacitor-technology also be used in combination with traditional Li-Ion batteries to improve their charge/discharge characteristics? Or is this uniquely possible together with this organic battery tech?