Yiguang Ju

Robert Porter Patterson Professor of Mechanical and Aerospace Engineering, Director of the Program in Sustainable Energy

Research interests: Sustainable energy; propulsion; functional nano-materials

Innovation funds support advances in artificial intelligence, bioengineering, materials science and more

Two micrographs, one with little spheres covered in speckles, the other with similar spheres looking cleaner. — A new method for direct battery recycling uses low-temperature plasma to remove contaminants from aged lithium nickel cobalt manganese cathode materials (left), commonly used in electric vehicle batteries, and transform them directly into active cathode materials (right). Images copyright Princeton NuEnergy

Princeton startup recycles rare minerals from lithium batteries

Group portrait of award winners — Class of 2022 award winners with Dean Andrea Goldsmith and Distinguished Teaching Award recipient Yiguang Ju. Photo by Frank Wojciechowski

On Class Day, graduates were told their dedication would be the foundation of future success

Engineering faculty recognized for excellence in teaching

Batteries — Dead lithium-ion batteries from cellphones, laptops and motorized scooters await recycling at Princeton NuEnergy’s Bordentown lab. Photo by Bumper DeJesus

Princeton startup aims to fast-track lithium battery recycling

Portrait

Chicken eggs and a grandmother’s vision start path for leading combustion engineer

Student uses drill press while others observe.

Mechanical and Aerospace Engineering

Solving problems in energy, combustion, fluids, lasers, materials science, robotics and control systems, and nuclear security