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SES AI Corp. (NYSE: SES) is a Woburn, Massachusetts-based company developing AI-enhanced Li-Metal and Li-ion batteries and an AI4Science SaaS platform called Molecular Universe.

Last updated September 10, 2026

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Overview

SES AI Corp. (NYSE: SES) states its mission is to accelerate the world's energy transition through material discovery and battery management. Founded in 2012 and based in Woburn, Massachusetts, it also has operations in Shanghai and Seoul. Its AI-enhanced high energy density and high power density Li-Metal and Li-ion batteries are described as the first batteries in the world to contain electrolyte materials discovered by AI. The company organizes its business around three core units: Drones, ESS, and Materials, supported by the Molecular Universe AI4Science SaaS platform.

History

SES AI Corp. was founded in 2012 and is based in Woburn, Massachusetts. According to its About page, SES AI originated in Lab 4-061 in the basement of MIT, and its Woburn headquarters now serves as the heart of its human R&D, Molecular Universe (AI4Science effort), and Electrolyte Foundry. The company also has operations in Shanghai and Seoul. Its Shanghai Giga facility, completed in 2023, is described as a 300,000 square-foot facility in Jiading, Shanghai, capable of pilot-scale production of Li-Metal batteries and critical materials. Its newest facility is in Chungju, South Korea, equipped with expanded in-house manufacturing capability and serving as a complement to the Shanghai facility in the production of large-format 50Ah and 100Ah Li-Metal cells.

Products and positioning

AI-enhanced high energy density and high power density Li-Metal and Li-ion batteries, with electrolyte materials discovered by AI, supported by the Molecular Universe platform.

  • Li-Metal and Li-ion cells

    AI-enhanced high energy density and high power density Li-Metal and Li-ion batteries, described as the first batteries in the world to contain electrolyte materials discovered by AI.

  • Molecular Universe AI4Science SaaS Platform

    SaaS platform described as the engine behind SES AI's innovation.

  • ESS solutions

    Fully integrated hardware/software solutions with battery health and safety management software powered by Molecular Universe for data centers and C&I.

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