Company Filing History:
Years Active: 2017
Title: Seiji Ishizawa: Innovator in Lithium Ion Battery Technology
Introduction
Seiji Ishizawa is a prominent inventor based in Ibaraki, Japan. He is known for his significant contributions to the field of battery technology, particularly in the development of lithium ion secondary batteries. His innovative work has led to advancements that enhance the performance and efficiency of these essential energy storage devices.
Latest Patents
Ishizawa holds a patent for a lithium ion secondary battery that boasts a high capacity and excellent cycle characteristics. This battery design includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte liquid. The positive electrode features a material where the surface of the particles of a positive electrode active material is coated with an aluminum-containing oxide. This oxide has an average coating thickness ranging from 5 to 50 nanometers. The positive electrode active material consists of lithium cobalt oxide, which includes cobalt and at least one element selected from magnesium, zirconium, nickel, manganese, titanium, and aluminum. The negative electrode is composed of a material that includes silicon oxide as a negative electrode active material, with a content of 10 mass percent or more.
Career Highlights
Seiji Ishizawa is associated with Hitachi Maxell, Limited, where he has made significant strides in battery technology. His work has not only contributed to the company's reputation but has also played a crucial role in advancing the field of energy storage solutions.
Collaborations
Ishizawa has collaborated with notable colleagues, including Tomohito Sekiya and Hiroshi Abe. These partnerships have fostered an environment of innovation and have led to the successful development of cutting-edge technologies in the battery sector.
Conclusion
Seiji Ishizawa's contributions to lithium ion battery technology exemplify the impact of innovative thinking in the energy sector. His patented designs and collaborative efforts continue to influence advancements in battery performance and efficiency.