Sang Hoon Choi

Title: Sang Hoon Choi: Inventor in Lithium-Ion Battery Technology.

Introduction

Sang Hoon Choi is an inventor based in Daejeon, South Korea. His patent work focuses on multilayer negative electrodes and lithium secondary batteries. He is associated with LG Energy Solution and LG Chem and has 2 patents.

Latest Patents

Choi’s latest patents address the design of multilayer negative electrodes for lithium secondary batteries.

“Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same” describes an electrode with a current collector, a first mixture layer containing natural graphite, and a second layer containing artificial graphite. The disclosure also covers a lithium secondary battery incorporating this electrode.

“Multi-layer negative electrode with different binder content and different particle size of active material in each layer and lithium secondary battery comprising the same” describes an electrode with two mixture layers that differ in their active materials and binder content. The patent specifies different electrode-density ranges for the layers: about 0.9 to 2.0 g/cc for the first layer and about 0.2 to 1.7 g/cc for the second. It also describes lithium secondary batteries incorporating the multilayer electrode.

Career Highlights

Choi’s listed company affiliations include LG Energy Solution and LG Chem. His patent disclosures reflect work on electrode structures and material configurations for lithium secondary batteries.

Collaborations

Choi’s listed coworkers include Taek Soo Lee and Jung Min Yang. Their names are associated with his professional and patent-related collaborations.

Conclusion

Sang Hoon Choi’s two patents focus on multilayer negative-electrode designs that combine different materials and layer properties for use in lithium secondary batteries.