Tomoko Nakayama, an accomplished inventor based in Niihama, Japan, has made significant strides in the field of battery technology. With a remarkable portfolio of nine patents, she has contributed to the advancement of lithium-ion secondary batteries, showcasing her deep expertise and innovative approach to solving complex challenges in energy storage.

Latest Patents

Tomoko's latest patents focus on the development of positive electrode active materials for lithium-ion secondary batteries. One of her notable inventions is a positive electrode active material that demonstrates high capacity, high output, and excellent cycle characteristics when integrated into a non-aqueous electrolyte secondary battery. This invention involves a lithium-metal composite oxide that consists of secondary particles formed by aggregating primary particles. Additionally, her patent outlines a compound containing lithium and tungsten on the surfaces of these primary particles, optimizing their performance by maintaining a specific ratio of tungsten atoms relative to other elements.

Another patent details a positive electrode active material for non-aqueous electrolyte secondary batteries, characterized by a lithium metal composite oxide powder with a precise general formula. The innovative coating layer of this product, made up of both crystalline and amorphous phases, enhances the efficiency and longevity of battery cells, providing a cutting-edge solution to energy storage challenges.

Career Highlights

Tomoko Nakayama's work at Sumitomo Metal Mining Company, Ltd. has been instrumental in driving innovation within the company. Her vast knowledge and dedication have positioned her as a key figure in the development of advanced battery materials, ensuring that the company remains at the forefront of technological advancements in energy solutions.

Collaborations

Throughout her career, Tomoko has collaborated with esteemed colleagues, including Kensaku Mori and Jun Yokoyama. These collaborations have not only fostered a creative environment but have also led to the successful development of innovative products that address the pressing needs of modern energy applications.

Conclusion

Tomoko Nakayama's dedication to innovation and her expert knowledge of battery technology solidify her status as a leading inventor in her field. With her impressive array of patents and her contributions to the advancement of lithium-ion batteries, she continues to pave the way for improved energy storage solutions that benefit both consumers and industries alike. Her work exemplifies the impactful role of inventors in shaping a sustainable future through innovation.

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