ION has developed a battery with a lithium-free anode that supports nickel and cobalt-free cathodes. Cobalt and nickel are expensive and hard to source. Greg Hitz: Scaling is hard and scaling batteries is even harder.įirst, you need to design your battery to use plentiful, inexpensive resources. Our first market customer will get a battery manufactured in the US that offers 40% more energy than their current solution and meets their needs on rate performance, cycle life, and production costs, all while inherently safe.Īfter our first market release, our second-generation product will incorporate future developments that will hugely extend the reach of the technology: doubling energy density, increased rate performance, order of magnitude decreases in production cost, qualifying long cycle life, and all the other targets required for wider market release such as EV production.Įlectrek: How could solid state batteries achieve scale? This is where we think ION differs from other technologies. Looking across the industry, there are technologies that have incredible rate performance, great energy density, strong safety, scalable manufacturing, and simple pack integration, but no single product offers all of that without significantly compromising one or more of the other aspects. Greg Hitz: No solid state battery manufacturer has yet to offer a 100% solution. But nobody has yet shown that solid state batteries can deliver on their performance promise without making major sacrifices during battery pack integration like heating or compression requirements and can be produced with scalable manufacturing techniques.Įlectrek: Why haven’t solid state batteries taken off yet? Solid state batteries have long had the potential to outperform the batteries you see in most EV’s today longer range, shorter recharge times, they’re safer. Greg Hitz: It’s a great analogy – you’ve never seen a solid state battery just like you’ve never seen a unicorn. The different materials and configurations that underlie solid state battery technologies matter for safety, performance, energy density, and manufacturability.Įlectrek: Solid state batteries are often referred to as the “unicorn” of battery technology. It’s important to note, though, that not all solid state batteries are created equal. They’re generally accepted as the key to unlocking the safety and energy density required for advanced electric vehicles and electrified flight. Greg Hitz: Solid state batteries replace the flammable liquid electrolyte in a traditional lithium-ion battery with a solid electrolyte that serves the same function. Greg Hitz, founder and CTO at Beltsville, Maryland-based ION Storage Systems, about what solid state batteries are, why they’re considered the “unicorn” of battery technology, why they have yet to hit the market, and how his company is working to move the needle.Įlectrek: Could you explain what solid state batteries are, what they’re used for, and how they differ from lithium-ion batteries?
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