Dong-Yun Lee

Title: Innovative Contributions of Inventor Dong-Yun Lee

Introduction

Dong-Yun Lee is a prominent inventor based in Suwon-si, South Korea, known for his contributions to fuel cell technology. With a total of 4 patents to his name, Lee continues to push the boundaries of innovation in the field of energy generation. His work emphasizes the efficiency and functionality of fuel cells, making significant strides toward cleaner energy solutions.

Latest Patents

Among his latest inventions, Dong-Yun Lee has developed a patent for a stack and fuel cell system. This innovative fuel cell system comprises a stack that includes at least one electricity generator, which generates electric energy through a reaction between fuel and oxygen. The system features a fuel supply unit responsible for delivering fuel and an oxygen supply unit to ensure the electricity generator operates efficiently. Notably, the electricity generator integrates a membrane-electrode assembly along with separators that contain multiple flow channels for the dual supply of fuel and oxygen. The design of these separators, particularly with a connecting portion that minimizes turbulence, enhances the contact area between the fuel, oxygen, and the active parts of the membrane-electrode assembly.

Another significant patent involves a method for correcting the flow rate in the fuel supply unit of a fuel cell system. This method includes components like a fuel pump, a RPM measuring unit, a microcomputer, and a power converter. The process of flow rate control ensures the accurate supply of fuel either to a reformer for generating hydrogen or directly to an electricity-generating stack.

Career Highlights

Dong-Yun Lee is a key member of Samsung SDI Co., Inc., where he applies his expertise in refining fuel cell technologies. His work at Samsung SDI has positioned him as a valuable asset within the energy sector, contributing to the company's reputation for innovation in battery and fuel cell technology.

Collaborations

Throughout his career, Dong-Yun Lee has collaborated with notable colleagues such as Jin-Hong An and Yun-suk Choi. These collaborations have fostered an environment of creativity and innovation, enhancing the development process of cutting-edge energy solutions.

Conclusion

In conclusion, Dong-Yun Lee's contributions to fuel cell technology exemplify the spirit of innovation. Through his patents, he not only advances the field but also leads the transition towards more sustainable energy solutions. As he continues to drive research and development at Samsung SDI Co., Inc., Lee remains a significant figure in the world of energy innovation.