Prieto Battery

Prieto’s sodium-ion battery was born to be built. High performance regardless of climate and completely safe.

Amy Prieto, a CSU chemist and founder of Prieto Battery, describes the future of battery technology and her lab’s research into sodium-based alternatives to lithium-ion batteries. Her company works at the often-messy boundary between engineering and material science as it moves from fundamental research toward real-world application.

Sep 2025 · SOURCE (Colorado State University)News article

Amy Prieto started Prieto Battery Inc. in 2009 using an intellectual-property license from CSU STRATA. The company holds 28 issued patents and operates a facility off Research Boulevard in Fort Collins. Stanley Ventures, representing Stanley Black & Decker, is a major investor funding research for power tools and lawn equipment. Prieto Battery plans to build its first pilot-scale manufacturing facility close to home.

Jul 2023 · College of Natural Sciences (Colorado State University)News article

Prieto Battery closes the first tranche of its $5.7 million Series C financing, led by new investor Pilatus Capital with participation from existing investors, including Stanley Ventures. The financing will accelerate development of the company’s proprietary 3D solid-state rechargeable lithium-ion battery at its lab and headquarters in Fort Collins.

Aug 2021 · PR NewswireNews article

Fort Collins startup Prieto Battery is rebuilding lithium-ion batteries around a nonflammable, bendable 3-D architecture. The company has raised $10 million from Stanley Ventures, Intel Capital and other investors. In April 2017, Moses Lake Industries teamed up with Prieto to manufacture the batteries at scale, with the first commercial prototypes expected by October 2017.

Jun 2017 · The Denver PostNews article