Yuichi Itou

Title: Yuichi Itou: Innovator in Lithium-Ion Battery Technology

Introduction

Yuichi Itou is a prominent inventor based in Toyota, Japan, known for his significant contributions to the field of lithium-ion battery technology. With a total of 4 patents to his name, Itou has been instrumental in developing advanced battery solutions that enhance durability and efficiency.

Latest Patents

One of Itou's latest patents is for a non-aqueous electrolyte solution type lithium-ion secondary battery. This innovative battery design utilizes a two-phase coexisting compound as a positive electrode active material, providing excellent durability. The battery features an electrode body with a positive electrode containing this active material and a negative electrode with its own active material. Additionally, the non-aqueous electrolyte solution includes a lithium salt dissolved in an organic solvent. The positive electrode active material primarily consists of a two-phase coexisting compound containing lithium, along with particles of a lithium-transition metal oxide with a layered structure. The average particle diameter of these layered oxide particles is 2 micrometers or less, and they constitute 5 mass percent or less of the positive electrode active material.

Another notable patent by Itou is for a non-aqueous electrolyte lithium-ion secondary battery. This design includes a positive electrode with a current collector and a composite layer. The current collector is primarily made of a metal element A, while the positive electrode composite layer contains a two-phase compound with lithium as the active material. An additive compound with a metal element B, which has a higher ionization tendency than metal element A, is also included in the composition.

Career Highlights

Yuichi Itou has worked with notable companies in the automotive and research sectors, including Toyota Motor Corporation and Toyota Central R&D Labs. His experience in these organizations has allowed him to contribute significantly to advancements in battery technology.

Collaborations

Throughout his career, Itou has collaborated with esteemed colleagues such as Osamu Hiruta and Chikaaki Okuda. These partnerships have fostered innovation and the development of cutting-edge technologies in the field of lithium-ion batteries.

Conclusion

Yuichi Itou's work in lithium-ion battery technology exemplifies his commitment to innovation and excellence. His patents reflect a deep understanding of materials and engineering, positioning him as a key figure in the advancement of energy storage solutions.