Sep 22, 2026 · 33 min · 10 segments
In this episode, Susan Stone, CEO of Blue Current, discusses the company's journey in developing high-performance, silicon-based solid-state batteries for electric vehicles and energy storage. She…
Susan StoneGuest
Matt GjertsenHost
What do you, is it, do you think it's just you got lucky with some of the things you were doing with some of the, the chemistry formulations or was there, was there something that you think you've seen over the last couple of years that like enabled the team to execute faster?
And I think, um, I would say the, the luck aspect is when we first started developing this battery in R and D, um, and I'll back up and say that we tend to be on a one release a year cadence out of R and D and into cell scale up.
Um, We originally developed this battery to be used for EVs, just like everyone else in the market.
What we found is because this system that we've developed, our chemistry system, it means that the battery is very, very stable and can offer very long cycle life.
So the luck bit is that when we were bringing out our next generation of our battery at the end of 2025, It graduated from R&D, and we started looking at the performance metrics, and we had been driving to increase energy density, which we did.
It also happened to be showing extraordinarily long cycle life for the type of battery that we're making, for a battery with an NMC cathode.
I hate to say that the Cycle Life was a byproduct of just all of the other work that the team was doing, but it really was.
So since then, that really opened up the best data center and grid storage market for us because that Cycle Life is a real driver of the economics in that market.
What do you, is it, do you think it's just you got lucky with some of the things you were doing with some of the, the chemistry formulations or was there, was there something that you think you've seen over the last couple of years that like enabled the team to execute faster?
And I think, um, I would say the, the luck aspect is when we first started developing this battery in R and D, um, and I'll back up and say that we tend to be on a one release a year cadence out of R and D and into cell scale up.
Um, We originally developed this battery to be used for EVs, just like everyone else in the market.
What we found is because this system that we've developed, our chemistry system, it means that the battery is very, very stable and can offer very long cycle life.
So the luck bit is that when we were bringing out our next generation of our battery at the end of 2025, It graduated from R&D, and we started looking at the performance metrics, and we had been driving to increase energy density, which we did.
It also happened to be showing extraordinarily long cycle life for the type of battery that we're making, for a battery with an NMC cathode.
I hate to say that the Cycle Life was a byproduct of just all of the other work that the team was doing, but it really was.
So since then, that really opened up the best data center and grid storage market for us because that Cycle Life is a real driver of the economics in that market.
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