Jeong-Ho Ha

Title: Innovations of Jeong-Ho Ha in Battery Technology

Introduction

Jeong-Ho Ha is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of battery technology, holding 2 patents that focus on improving battery safety and charging efficiency. His work is essential in advancing the capabilities of modern batteries, particularly in electric vehicles.

Latest Patents

One of his latest patents is a battery module with improved safety. This innovative module enhances safety by blocking current when the temperature rises. The battery pack, which includes this module, is designed for vehicles, ensuring that the battery operates safely under various conditions. The module consists of two or more battery cells and an electrode assembly that connects to electrode leads within a pouch case. The design incorporates a bus bar that features a metal layer and a material layer, which acts as a resistor when temperatures increase. This material layer contains a gas-generating substance that decomposes at elevated temperatures, thereby increasing resistance and enhancing safety.

Another significant patent is a method and apparatus for rapidly charging batteries. This invention allows for a battery to be charged quickly while extending its lifespan. The method begins with an initial charging rate higher than 1 C and gradually decreases the rate, ensuring that the negative electrode potential does not drop to 0V or lower. This approach prevents lithium plating on the negative electrode, thus facilitating rapid charging without compromising battery longevity.

Career Highlights

Jeong-Ho Ha has worked with prominent companies in the battery industry, including LG Chem, Ltd. and LG Energy Solution, Ltd. His experience in these organizations has contributed to his expertise in battery technology and innovation.

Collaborations

He has collaborated with notable coworkers such as Hyo-Mi Kim and Hyeok-Moo Lee, further enhancing his contributions to the field.

Conclusion

Jeong-Ho Ha's innovations in battery technology demonstrate his commitment to improving safety and efficiency in energy storage solutions. His patents reflect a deep understanding of the challenges in battery design and charging methods, making him a significant figure in the industry.