Company Filing History:
Years Active: 1993-2002
Title: The Innovative Contributions of Masaharu Kajita
Introduction
Masaharu Kajita, an esteemed inventor based in Tajimi, Japan, has made significant strides in the field of solid electrolyte materials. With a total of four patents to his name, his work is particularly focused on the production of beta-alumina solid electrolytes, which hold promise for advancements in sodium-sulfur battery technology.
Latest Patents
Kajita's latest innovations include a groundbreaking method for producing beta-alumina solid electrolyte. This method enables the production of the material without prior calcination of starting materials, effectively reducing costs and steps in the manufacturing process. By synthesizing a magnesium-aluminum spinel starting material without the usual calcination step, Kajita's method involves granulating a slurry mixture of aluminum, magnesium, and sodium sources, followed by molding and firing the product. His patents also specify the characteristics of the beta-alumina solid electrolyte, such as a degree of orientation towards the C axis and a finely controlled particle diameter distribution, which contribute to its low electrical resistance and high strength under internal water pressure.
Career Highlights
Throughout his career, Kajita has been associated with NGK Insulators, Inc., where he has worked collaboratively to enhance the properties of solid electrolytes for energy applications. His extensive research and innovative methodologies have placed him at the forefront of advancing materials for battery technologies.
Collaborations
Kajita has collaborated with notable colleagues, including Takehiro Kajihara and Takao Totoki. Together, they have contributed to the development of materials that are essential for the growth and efficiency of sodium-sulfur batteries.
Conclusion
Masaharu Kajita's innovations in the field of solid electrolytes exemplify his dedication to advancing energy storage technologies. His patents not only simplify the production process but also enhance the performance of sodium-sulfur batteries, marking him as a key figure in the landscape of material science and energy innovation.