Northvolt’s subsidiary, Cuberg, is leading a new program for the development of batteries that will power electric aircraft. (Photos: Northvolt/Cuberg) Cuberg, a subsidiary of Northvolt, is spearheading a new program to develop high-performance batteries for electric aircraft. Cuberg’s team has worked on developing battery technology for the aviation industry since it was founded in 2015. Historically, the company’s focus has been on innovations related to core battery cell chemistry. Now, they are moving beyond the battery cells, or “building blocks,” to become a provider of full battery systems. Richard Wang, CEO and founder of Cuberg, explained that this means “the entire engineered energy storage system which is a critical piece of certification and, ultimately, is a turnkey solution t...