Chemical and Biological Engineering

Chemical and biological engineering addresses a range of problems in human health, energy, materials science, and industrial processes. Areas of excellence at Princeton include: applied and computational mathematics, bioengineering, environmental and energy science and technology, materials synthesis and processing, process engineering and science, thermodynamics and statistical mechanics, and transport phenomena.

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Several people seated at a table, with focus on man in foreground. — Christos Maravelias. Photo by Sameer A. Khan/Fotobuddy

Where complexity reigns, Maravelias reins it in

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 NuEnergywater

Princeton startup recycles rare minerals from lithium batteries

Image of plant floating in water and fish swimming nearby. — DCIM101GOPROGOPR1104.JPG

From troublesome seaweed to sustainable feedstock

A 3D printer creates a small translucent plastic cylinder. Two blurred faces in the background observe — Unlike similar materials that require complex processing, the plastic can be created with a 3D printer. Photos by Sameer A. Khan/Fotobuddy

Stretchable, flexible, recyclable. This plastic is fantastic

Two small rectangular robots connected by a flexible tether; three researchers watch in background. — The robots have no internal controls. Guidance depends on a flexible tether. Photos by Sameer A. Khan/Fotobuddy

For these little robots, two heads are better than one

Card with words: Graduate Student Award for Excellence.

Award for Excellence honors graduate student achievement

January 23

4:00 pm

Single-atom Alloy Catalysts: Born in a Vacuum, Tested in Reactors, and Understood in Silico

José Avalos

Clifford Brangwynne

Pierre-Thomas Brun

Mark Brynildsen

Jonathan Conway

Emily Davidson

Pablo Debenedetti

Portrait of Dimitrios Fraggedakis

Dimitrios Fraggedakis

David Graves

Jerelle Joseph

A. James Link

Lynn Loo

Marcella Lusardi

Christos Maravelias

Celeste Nelson

Portrait of Athanassios Panagiotopoulos

Athanassios Panagiotopoulos

Rodney Priestley

Portrait of Richard A. Register

Richard A. Register

Portrait of Andrew Rosen

Andrew S. Rosen

Michele L. Sarazen

Sankaran Sundaresan

Michael A. Webb