Song Yi Yang

Title: Song Yi Yang: Innovator in Lithium Battery Technology

Introduction

Song Yi Yang is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of lithium secondary batteries, focusing on the development of advanced positive electrode active materials. With a total of 3 patents to his name, Yang is recognized for his innovative approaches to battery technology.

Latest Patents

Yang's latest patents include a positive electrode active material for lithium secondary batteries and a method for preparing the same. This innovative material comprises a lithium transition metal oxide containing nickel (Ni), cobalt (Co), and manganese (Mn). Notably, the lithium transition metal oxide has 60 mol % or more nickel with respect to the total number of moles of transition metal, excluding lithium. The material is doped with at least one element selected from a group that includes B, Zr, Mg, Ti, Sr, W, and Al. The average particle diameter of this active material ranges from 4 μm to 10 μm after rolling at a density of 3.0 g/cm³ to 3.3 g/cm³, forming a single particle structure.

Another significant patent involves a method for preparing a bimodal positive electrode active material precursor. This method includes the introduction of a first reaction source material into a reactor, where nucleation and growth of the positive electrode active material precursor particles occur under controlled pH conditions. This innovative approach enhances the efficiency and performance of the positive electrode active materials.

Career Highlights

Song Yi Yang is currently employed at LG Chem, Ltd., a leading company in the chemical and battery industry. His work focuses on advancing battery technologies that are crucial for modern electronic devices and electric vehicles. Yang's expertise in material science and engineering has positioned him as a key player in the development of next-generation battery solutions.

Collaborations

Yang collaborates with notable colleagues, including Byung Hyun Hwang and Seong Bae Kim. These partnerships enhance the research and development efforts at LG Chem, fostering innovation in battery technology.

Conclusion

Song Yi Yang's contributions to lithium battery technology exemplify the importance of innovation in the energy sector. His patents and ongoing research efforts are paving the way for more efficient and sustainable energy storage solutions.