Company Filing History:
Years Active: 2024-2025
Title: The Innovative Contributions of Chang Wan Chae in Lithium Battery Technology
Introduction: Chang Wan Chae is a prominent inventor based in Daejeon, South Korea, renowned for his innovative contributions to lithium secondary battery technology. With a total of two patents to his name, his work significantly advances the efficiency and effectiveness of battery materials.
Latest Patents: Chang Wan Chae's latest patents reveal a detailed method for preparing positive electrode active materials for lithium secondary batteries. His first patent involves a manufacturing method consisting of a three-step process:
1. Dry-mixing a transition metal hydroxide with an anhydrous lithium raw material.
2. Subjecting the mixture to primary firing.
3. Finely pulverizing the primarily fired material and then performing secondary firing to obtain lithium transition metal oxide. The proportions for mixing the anhydrous lithium raw material are designed to be at 40 parts by weight or less based on 100 parts by weight of the transition metal hydroxide.
In addition, he describes another method, which includes a two-step firing process that enhances the quality of the positive electrode active material. The process involves first firing a specific mixture at temperatures ranging from 400°C to 700°C and subsequently firing a secondary mixture at a higher temperature to yield a superior quality product.
Career Highlights: Chang Wan Chae is associated with LG Chem, Ltd., a leading company in the chemical and battery manufacturing sector. His role in advancing battery technology positions him as a key figure in the field, especially in the development of materials that enhance the performance of lithium secondary batteries.
Collaborations: Throughout his career, Chang has collaborated with notable colleagues such as Ick Soon Kwak and Sang Soon Choi. These partnerships have played a vital role in refining research and fostering innovation in battery technology.
Conclusion: Chang Wan Chae's innovations in the preparation of positive electrode materials for lithium secondary batteries showcase his expertise and dedication to advancing battery technology. His contributions not only enhance the performance of lithium batteries but also pave the way for future developments in energy storage solutions. As the industry continues to evolve, the significance of Chang's patents will undoubtedly influence future innovations in this vital area.