The article seems to only talk about an advance in knowledge about the degradation process. I see no mention that they have a proposed solution.
Other than the fact the article contains an out-of-context quote, where does the “smaller, lighter, and cheaper” come from.
Great there’s new knowledge but seems a little more jumped-the-gunny than usual for battery-tech improvement claims.
Brighter also means not having to drive them at their maximum so much… Yet another contributor to better lifespan - so better in tow dimensions.