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Q&A with GM's hybrid chief Robert Kruse

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Because costs are such a significant driver of the adoption of this technology, it's a very strategic issue to me. Traditional development would have me develop my Gen-one system, launch it, learn from it, figure out what I need to do to develop my Gen-two system, launch, learn, figure out what I need for Gen-three. To help jump start and accelerate down this learning curve, in addition to the Gen-one battery system, I'm right now also working on Gen-two and Gen-three solutions that have elements of both performance and cost that are part of my expectations of my team to deliver future-gen systems.

 

RK: There are many layers of safety built into the Volt. That includes all the way down to the cell level. You can't look at chemistry separate from construction. But the large-format prismatic cells, together with the chemistry, together with the separator which separates the anodes from cathodes inside the individual cell, is absolutely key to making sure that you do not have thermal runaway. We have adopted [independent] safety standards and have employed those requirements into our cell and pack designs. I can assure you we've met those standards with what we've designed and what we've selected.

 

RK: GM is a global player, as we have a global supply footprint. We go wherever the best, most efficient parts are. If and when there is a lithium-ion cell manufacturing footprint in the US, they will come onto our radar and get appropriate consideration. It's important to recognize that other governments have recognized that this is of strategic importance and have made significant investment in developing this kind of capability. It is now beginning to come onto the radar of others. Other countries are a little bit behind. It doesn't mean they won't catch up, but for the first-generation Volt, there were a lot of advantages to what had already been created and existed outside the United States.

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