Kei Hanafusa

Kei Hanafusa is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of energy storage technology. With a total of eight patents to his name, Hanafusa has been instrumental in advancing the design and functionality of redox flow batteries.

Latest Patents

Hanafusa's latest patents include innovative designs for bipolar plates, cell stacks, and redox flow batteries. One of his notable inventions is a bipolar plate that faces an electrode along which electrolyte is circulated. This bipolar plate features a flow passage on at least one of its surfaces, allowing for efficient electrolyte circulation. The design includes an introduction path for electrolyte entry and a discharge path that operates independently, enhancing the overall efficiency of the system. Additionally, Hanafusa has developed an electrode for redox flow batteries, which consists of a fiber assembly made up of soft carbon fibers. These fibers have a Young's modulus of 200 GPa or less, with an average diameter of 20 micrometers or less, optimizing the performance of the redox flow battery.

Career Highlights

Hanafusa is currently employed at Sumitomo Electric Industries, Limited, where he continues to innovate in the field of energy storage. His work has garnered attention for its potential to improve the efficiency and effectiveness of renewable energy systems.

Collaborations

Throughout his career, Hanafusa has collaborated with notable colleagues, including Yongrong Dong and Souichirou Okumura. These partnerships have contributed to the advancement of technology in the energy sector.

Conclusion

Kei Hanafusa's contributions to redox flow battery technology exemplify his commitment to innovation in energy storage solutions. His patents reflect a deep understanding of the complexities involved in battery design, positioning him as a key figure in the field.

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