Location History:
- Yongin, KR (2012)
- Daejeon, KR (2011 - 2022)
Company Filing History:
10 out of 8,350 
3 out of 11,339 
1 out of 2,574 
Years Active: 2011-2022
Title: The Innovative Contributions of Dae Sik Choi
Introduction
Dae Sik Choi is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of battery technology, holding a total of 14 patents. His work focuses on advancements in pouch-shaped secondary batteries, which are crucial for various electronic devices.
Latest Patents
Among his latest patents, Dae Sik Choi has developed a pouch-shaped secondary battery comprising an electrode-tab-cutting device. This innovative design includes a battery case and an electrode assembly with a mechanism that cuts the electrode tab or lead when the internal pressure exceeds a predetermined limit. Another notable patent involves a pouch-shaped secondary battery featuring a venting guidance device. This device is designed to create a through-hole for gas discharge, ensuring safety when the pressure within the battery case reaches critical levels.
Career Highlights
Dae Sik Choi has worked with leading companies in the industry, including LG Chem, Ltd and the Electronics and Telecommunications Research Institute. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to groundbreaking innovations.
Collaborations
Throughout his career, Dae Sik Choi has collaborated with talented individuals such as Seung Don Choi and You Rim Yoon. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the field.
Conclusion
Dae Sik Choi's contributions to battery technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of safer and more efficient energy storage solutions.