Tomoyuki Nagai

Title: Tomoyuki Nagai: Innovator in Electrode Catalysts

Introduction

Tomoyuki Nagai is a prominent inventor based in Ann Arbor, MI (US). He has made significant contributions to the field of electrode catalysts, holding a total of 4 patents. His work focuses on enhancing the efficiency and durability of catalysts used in oxygen reduction reactions.

Latest Patents

Nagai's latest patents include innovative technologies that improve the performance of catalysts. One of his notable inventions is the "Intermetallic L10-NiPtAg catalysts for oxygen reduction reaction." This patent describes an electrode catalyst that incorporates intermetallic L1-NiPtAg alloy nanoparticles, which exhibit enhanced activity and durability for oxygen reduction reactions. The synthesis of this catalyst involves using silver (Ag) as a dopant and annealing under specific conditions to achieve the desired intermetallic structure. The formula for the intermetallic L1-NiPtAg alloy nanoparticles is represented as NiPtAg, where 0.4 ≤ x ≤ 0.6, 0.4 ≤ y ≤ 0.6, and z ≤ 0.1.

Another significant patent is the "Surface modified platinum or platinum alloy catalyst for oxygen reduction reaction." This invention provides an ORR catalyst, a membrane-electrode assembly, and a polymer electrolyte membrane fuel cell that incorporates the catalyst. The solid catalyst is supported on carbon and contains platinum or a platinum alloy metal, which is surface complexed with a monodentate thiol ligand that includes an aromatic or heteroaromatic ring with at least one bromide or iodide substituent.

Career Highlights

Throughout his career, Tomoyuki Nagai has worked with notable companies, including Toyota Motor Engineering & Manufacturing North America, Inc. and Toyota Jidosha Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in the field of catalyst development.

Collaborations

Nagai has collaborated with several professionals in his field, including Hongfei Jia and Li Qin Zhou. These collaborations have further enriched his research and innovations in electrode catalysts.

Conclusion

Tomoyuki Nagai is a distinguished inventor whose work in electrode catalysts has the potential to significantly impact energy efficiency in fuel cells. His innovative patents and collaborations highlight his commitment to advancing technology in this critical area.