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Scientists used neutron scattering to study how tweaking the ionic clusters in ionizable polymer solutions affects their structure. The polymer building blocks are marked in gold and the ionizable groups in red. Findings could open doors to lighter, more efficient clean energy devices. Credit: Phoenix Pleasant/ORNL, U.S. Dept. of Energy

Electrolytes that convert chemical to electrical energy underlie the search for new power sources with zero emissions. Among these new power sources are fuel cells that produce electricity. 

Using as much as 50 percent lignin by weight, a new composite material created at ORNL is well suited for use in 3D printing.

Scientists at the Department of Energy’s 91°µÍø have created a recipe for a renewable 3D printing feedstock that could spur a profitable new use for an intractable biorefinery byproduct: lignin.