Location History:
- Gunma, JP (2007)
- Takasaki, JP (2009 - 2010)
Company Filing History:
Years Active: 2007-2010
Title: Teiji Okayama: Innovator in Nickel-Zinc Battery Technology
Introduction
Teiji Okayama is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of battery technology, particularly focusing on nickel-zinc primary batteries. With a total of 4 patents to his name, Okayama's work has advanced the efficiency and performance of energy storage solutions.
Latest Patents
Okayama's latest patents include innovations in enclosed nickel-zinc primary batteries. One of his notable inventions is a high-capacity enclosed nickel-zinc primary battery that excels in characteristics such as capacity maintenance factor, energy density, and high-efficient discharge characteristics. This battery utilizes an anode active material of nickel hydroxide compound, such as nickel oxyhydroxide, and employs zinc alloy gel as a cathode material. The design ensures a balanced ratio of anode theoretical capacity to cathode theoretical capacity, enhancing overall performance.
Another significant patent is for a sealed nickel-zinc primary cell. The objective of this invention is to provide an alkali primary battery that demonstrates excellent high-rate discharge characteristics while minimizing the increase of inner pressure during the overdischarge process. This sealed battery comprises a positive electrode with a higher oxide of nickel and a negative electrode made of zinc or its alloy. The addition of manganese dioxide in a specific proportion further optimizes the battery's performance.
Career Highlights
Teiji Okayama is currently associated with Toshiba Battery Co., Ltd., where he continues to innovate in battery technology. His work has been instrumental in developing advanced energy storage solutions that meet the demands of modern applications.
Collaborations
Okayama has collaborated with notable colleagues such as Kunihiko Miyamoto and Shuichiro Irie. Their combined expertise has contributed to the successful development of innovative battery technologies.
Conclusion
Teiji Okayama's contributions to nickel-zinc battery technology have positioned him as a key figure in the field of energy storage. His patents reflect a commitment to enhancing battery performance and efficiency, making a lasting impact on the industry.