Masaki Sobu

Title: Innovations of Masaki Sobu in Lithium-Ion Battery Technology

Introduction

Masaki Sobu is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of lithium-ion battery technology. With a total of 12 patents to his name, Sobu has focused on developing advanced materials that enhance the performance and efficiency of batteries.

Latest Patents

Sobu's latest patents include innovations related to negative electrode active materials and lithium-ion secondary batteries. One of his notable inventions is a negative electrode active material that boasts a sufficiently high discharge capacity at a high rate. This material comprises silicon and silicon oxide, featuring a unique structure where the surface layer has a lower density than the core. This design allows for improved discharge capacity. Another patent focuses on a negative electrode active material that enhances initial charging and discharging efficiency. This material also contains silicon and silicon oxide, with two phases of different compositions, one of which forms a fibrous network structure. These innovations are crucial for the advancement of lithium-ion battery technology.

Career Highlights

Masaki Sobu has made a significant impact in the field of battery technology through his work at TDK Corporation. His research and development efforts have led to breakthroughs that improve the performance of lithium-ion batteries, making them more efficient and reliable for various applications.

Collaborations

Sobu has collaborated with notable colleagues, including Atsushi Sano and Akinobu Nojima. Their combined expertise has contributed to the successful development of innovative battery technologies.

Conclusion

Masaki Sobu's work in the field of lithium-ion batteries exemplifies the importance of innovation in energy storage solutions. His patents reflect a commitment to enhancing battery performance, which is vital for the future of technology.