This inventor holds 3 USPTO granted patents and 5 published patent applications. Top assignee: Korea Institute of Science and Technology. Active years: 2005-2014.
Company Filing History:
Years Active: 2005-2014
Title: Joo Man Woo: Innovator in Silicon Nanorod Technology and Sulfur Hexafluoride Recovery
Introduction
Joo Man Woo is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the fields of nanotechnology and environmental engineering. With a total of 3 patents, his work focuses on innovative methods that enhance the efficiency and effectiveness of various materials and processes.
Latest Patents
One of Joo Man Woo's latest patents is a method of preparing a bundle type silicon nanorod composite through an electroless etching process using metal ions. This invention relates to creating a porous silicon nanorod structure composed of columnar bundles with a diameter of 50-100 nm and a length of 2-5 µm. The resulting structure serves as a high-capacity and high-efficiency anode active material for lithium secondary cells. This innovation addresses the low conductivity of silicon and mitigates electrode deterioration due to volume expansion.
Another notable patent is an apparatus and method for the recovery of sulfur hexafluoride (SF6). This invention allows for the high-concentration separation and improved recovery ratio of SF6 through multi-stage separation processes using multiple separation membrane modules. The method effectively removes sulfur dioxide and moisture from the SF waste gas, thereby extending the service life of the separation membrane modules.
Career Highlights
Joo Man Woo is affiliated with the Korea Institute of Science and Technology, where he conducts research and development in advanced materials and environmental technologies. His work has garnered attention for its practical applications and potential to contribute to sustainable practices in energy storage and gas recovery.
Collaborations
Some of Joo Man Woo's notable coworkers include Joong Kee Lee and Byung Won Cho. Their collaborative efforts have further advanced the research and development initiatives at the Korea Institute of Science and Technology.
Conclusion
Joo Man Woo's innovative contributions to silicon nanorod technology and sulfur hexafluoride recovery highlight his role as a leading inventor in his field. His patents not only demonstrate technical ingenuity but also address critical challenges in energy storage and environmental sustainability.