As part of the economic stimulus, some of this was done in areas such as battery manufacturing, but this was done primarily in the context of economic policy, not energy policy. (issues.org)
The legislation also provided competitive funding for geothermal technologies, biomass research and development, and advanced battery manufacturing. (scientificamerican.com)
Unlike traditional battery manufacturing, the process requires no toxic chemicals and can be set up very cheaply. (discovermagazine.com)