This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also rela...

Apparatuses, systems, materials, and methods for preparing polyethylene electrodes for use in energy storage and transfer via dry electrode processing is described herein. Ultra-high molecular weight polyethylene (UHMWPE) particles and filler particles are...

High temperature insulative composites that include a gel processed polymer matrix, insulative particles, and additional components are disclosed. In some embodiments, the high temperature insulative composite includes less than 35 wt % of a gel processed ...