Princeton Critical Minerals (PCM), a startup developing technologies to accelerate and increase lithium production yields from brine sources, has raised $16 million in combined equity and non-dilutive funding to address increasing demand for critical minerals used in energy storage, electrification, and AI infrastructure.

The financing includes an $11 million Series A round led by SOSV, with participation from the Grantham Foundation for the Protection of the Environment, Prospect Innovation, ASTOR Management AG, Black Forest Ventures, and a synergistic investment from New Jersey Economic Development Authority through the New Jersey Innovation Evergreen fund. The company has also recently secured more than $5 million in grant funding from the National Science Foundation, ARPA-E, and NJEDA.

Princeton Critical Minerals develops technologies that improve lithium production efficiency, recovery, and operational performance across global critical mineral supply chains. Based in Newark, New Jersey, and launched from Princeton University, the company supports the expansion of scalable and resilient mineral infrastructure needed for energy storage, electrification, and next-generation digital systems.