SEI Corporation Business Introduction
From cell design based on user requirements to product commercialization technical support! We contribute to a mobility society with electrode and battery prototyping technology.
S.E.I. Co., Ltd. is a company of the KRI group that can realize the envisioned product image with high-quality prototype cell manufacturing technology. Since its establishment in 1999, it has been engaged in the development of battery materials and battery technology for PHEVs and EVs, with a mission to contribute to the realization of a decarbonized society. Additionally, it aims to accelerate customers' battery and device development with a vision of on-site capability, technical expertise, and speedy, flexible service. 【Business Activities】 ■ Electrode mixing and construction ■ Cell prototyping and evaluation ■ New technology development *For more details, please download the PDF or feel free to contact us.
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KRI is a Japanese deep tech company that activates your open innovation. KRI can solve your research and development (R&D) concerns and problems. Our experienced researchers and consultants support your R&D, prototype verification, evaluation, benchmarking, testing, analysis, and more related to lithium-ion batteries (LIB) and other advanced batteries, based on cutting-edge technology and 30 years of accumulated experience. Over 400 battery material manufacturers, battery manufacturers, automobile manufacturers, infrastructure company, and government agencies have used our services.

























