The patent application for 'Proton Conducting Membrane Using a Solid Acid' was published with Haile as co-inventor.
On January 9, 2003, Sossina M. Haile's patent application for a 'Proton Conducting Membrane Using a Solid Acid' was published, presenting to the scientific community a newly devised way to enhance fuel cell efficiency. The patent was unique to its time, showcasing advanced material solutions for energy storage and conversion.
This publication embodied Haile's role as a leading researcher capable of guiding interdisciplinary teams to resolve critical issues within renewable energy technologies, setting the stage for future innovations driven by her foundational work.