As noted by another commenter, this is a significant result but overall still very early. It's still not even clear if it can be used for energy production at a

As noted by another commenter, this is a significant result but overall still very early. It's still not even clear if it can be used for energy production at all and there is a lot of work to be done before that will even be worth asking seriously. But a simple answer is: if it can be made to power a spacecraft it would probably be suitable elsewhere.