We've seen a few different approaches to printable, and occasionally paintable solar cells over the years, but it looks like JA Solar was particularly taken with Innovalight's so-called silicon ink-based solar cells, and it's now announced that its teaming up with the company to commercialize the technology. In addition to being "printable" and cheaper to manufacture than traditional solar cells, the company also claims that the silicon ink solar cells also boast an impressive 18 percent conversion efficiency, which has apparently just been backed up by both the U.S. Department of Energy's National Renewable Energy Laboratory
