Shuuichi Doi

Title: Shuuichi Doi: Innovator in Battery Technology

Introduction

Shuuichi Doi is a notable inventor based in Isehara, Japan. He has made significant contributions to the field of battery technology, particularly in the development of alkaline secondary batteries. With a total of 3 patents to his name, Doi's work has had a considerable impact on energy storage solutions.

Latest Patents

Doi's latest patents include a positive electrode active material for alkaline secondary batteries. This innovation involves a nickel-hydrogen secondary battery that features an electrode group comprising a separator, a positive electrode, and a negative electrode. The positive electrode contains a unique active material that includes a base particle made of nickel hydroxide with manganese in solid solution, along with a conductive layer made of cobalt compound. The specific X-ray absorption edge energy of manganese detected through XAFS method is 6548 eV or higher, showcasing the advanced nature of this technology.

Another significant patent is related to an X-ray diffraction analysis method and apparatus. This method involves placing a sample on a stage and acquiring a two-dimensional X-ray diffraction image. By analyzing the diffraction spots, the method allows for the identification of crystal phases contained in the sample, enhancing the accuracy of material characterization.

Career Highlights

Throughout his career, Shuuichi Doi has worked with prominent companies such as Fujitsu Corporation and FDK Corporation. His experience in these organizations has contributed to his expertise in battery technology and materials science.

Collaborations

Doi has collaborated with notable coworkers, including Takeshi Ito and Yuzo Imoto. Their combined efforts have further advanced the research and development of innovative technologies in their respective fields.

Conclusion

Shuuichi Doi's contributions to battery technology and materials science are noteworthy. His innovative patents and collaborations reflect his commitment to advancing energy storage solutions. Doi's work continues to influence the industry and pave the way for future innovations.