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Yanhai Du, Ph.D., professor in the College of Aeronautics and Engineering at ����ɫ��ҹ University and administrator for the Sustainable Energy Lab, continues to break ground in energy systems research with a trio of patent accomplishments aimed at advancing the performance and integration of fuel cell technologies.

Du is the lead inventor on three recent U.S. patents awarded for a multifunctional manifold that improves the design and operation of electrochemical devices, particularly spiral solid oxide fuel cells (SOFCs) and tubular SOFC testing systems. Granted in , , and , the patents describe a compact manifold capable of simultaneously delivering fuel and oxidant gases, collecting electrical current, and facilitating heat exchange. These integrated features are designed to improve the efficiency and scalability of next-generation SOFC systems.

“These multifunctional manifolds are not just about simplifying components—they’re about improving performance and enabling more efficient use of space and energy,” Du said.

In addition to advancement in SOFC technology, Du's research and development on Liquid Fuel Onboard Desulfurization Systems has led a new U.S. application filed in July 2023, building on an earlier . The system addresses a key challenge in mobile power applications - removing sulfur from hydrocarbon fuels such as JP-8. Designed with a compact helical reactor surrounding a heating element, the system uses a metal oxide sorbent to remove sulfur impurities before fuel reaches sensitive power-generation systems. Its modular and compact design makes it ideal for onboard or remote applications.

“These technologies address some of the most pressing barriers to clean, reliable energy systems - both in the air and on the ground,” Du said.

Du’s work underscores ����ɫ��ҹ’s growing leadership in applied energy research and highlights its commitment to innovation in aeronautics and engineering. His research contributes to fuel flexibility, emissions reduction, and energy system resilience - important focus areas for defense, aerospace, and sustainable infrastructure applications.