Location History:
- Kyoto, JP (1993)
- Uji, JP (1979 - 1995)
- Osaka, JP (1998)
- Iwaki, JP (2001)
Company Filing History:
Years Active: 1979-2001
Title: Fumio Shibata: Innovator in Carbonaceous Electrode Materials
Introduction
Fumio Shibata is an accomplished inventor based in Iwaki, Japan, known for his significant contributions to the development of advanced materials for secondary batteries. With a total of two patents to his name, Shibata's work focuses on improving energy storage technologies by enhancing the performance of carbonaceous materials used in batteries.
Latest Patents
Shibata's latest patents showcase his innovative approaches to battery technology. One of his notable inventions is a **carbonaceous electrode material for secondary batteries**, which features enhanced capacities for doping and dedoping cell active substances, such as lithium. This carbonaceous electrode is constructed from materials with specific characteristics—having a pore volume of at least 0.55 ml/g and a pore diameter of no more than 5 μm as determined by the mercury injection method. Additionally, the production process involves carbonizing a plant-derived carbon precursor in an inert gas stream, ensuring a potassium content of less than 0.5 wt.%.
Another significant patent by Shibata includes a **binder solution and electrode-forming composition for a non-aqueous-type battery**. This innovation entails a vinylidene fluoride polymer binder solution, enhanced by adding an organic acid which stabilizes the solution. This addition prevents issues such as viscosity increases and gelling of the electrode-forming compositions.
Career Highlights
Fumio Shibata is associated with Kureha Chemical Industry Co., Ltd., where he applies his expertise in material science to drive innovations in battery technology. His work aims to contribute to developing more efficient and sustainable energy storage solutions, addressing global energy needs.
Collaborations
During his career, Shibata has collaborated with fellow inventors Naohiro Sonobe and Jiro Masuko. Together, their combined expertise fosters a creative environment that leads to pioneering advancements in battery materials and innovative applications.
Conclusion
Fumio Shibata's contributions to the field of carbonaceous electrode materials mark him as a notable innovator in battery technology. His patents reflect a commitment to enhancing energy efficiency and sustainability, which is crucial in today's energy landscape. As the demand for advanced battery solutions continues to grow, Shibata's work will likely remain influential and significant in the quest for next-generation energy storage.