Science Daily  August 8, 2018 Researchers at SUNY Binghamton have designed a high‐performance microbial battery using biodegradable paper‐polymer substrate. Poly (amic) acid and poly(pyromellitic dianhydride‐p‐phenylenediamine) are processed and incorporated into a porous, hydrophilic network of intertwined cellulose fibers to revolutionize oxygen‐blocking, proton‐exchanging, and biodegrading properties of the paper‐based microbial biobatteries. The battery exhibits a much higher power‐to‐cost ratio than all previously reported paper‐based microbial batteries. It biodegrades without the requirements of special facilities, conditions, or introduction of other microorganisms… read more. TECHNICAL ARTICLE