Company Filing History:
Years Active: 2020
Title: Kazuaki Okato: Innovator in Nickel Hydroxide Technology
Introduction
Kazuaki Okato is a prominent inventor based in Ehime, Japan. He has made significant contributions to the field of battery technology, particularly in the development of coated nickel hydroxide powders for alkaline secondary batteries. With a total of 2 patents to his name, Okato's work is paving the way for advancements in energy storage solutions.
Latest Patents
Okato's latest patents focus on a coated nickel hydroxide powder designed for use as a positive electrode active material in alkaline secondary batteries. The first patent describes a coated nickel hydroxide powder that exhibits improved dispersibility in a paste, which helps to inhibit agglomeration. This innovation allows for a denser packing of the material in a three-dimensional metal porous body, enhancing the performance of the battery. The coated nickel hydroxide powder includes nickel hydroxide particles with a cobalt compound coating. When mixed with water, the suspension of this powder shows a total amount of eluted ions, excluding oxonium ions, hydroxide ions, and carbonate ions, of 6.5 mmol/L or less.
The second patent also details a coated nickel hydroxide powder with similar properties, emphasizing its ability to maintain a pH of 10.2 or higher when prepared as a suspension. This patent highlights the meticulous process of washing the coated nickel hydroxide powder until the amount of ammonium ions eluted is reduced to 0.35 mmol/L or less, ensuring the purity and effectiveness of the material.
Career Highlights
Kazuaki Okato is currently employed at Sumitomo Metal Mining Company, Ltd., where he continues to innovate in the field of battery materials. His work is crucial in addressing the growing demand for efficient and reliable energy storage solutions.
Collaborations
Okato collaborates with notable colleagues, including Tomomichi Nihei and Hideo Sasaoka, who contribute to the research and development efforts at Sumitomo Metal Mining Company, Ltd.
Conclusion
Kazuaki Okato's contributions to the field of nickel hydroxide technology are significant, as evidenced by his patents and ongoing work at Sumitomo Metal Mining Company, Ltd. His innovations are set to enhance the performance of alkaline secondary batteries, making a lasting impact on energy storage technology.