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Kwonnam Sohn

This inventor holds 52 USPTO granted patents and 16 published patent applications and 39 EPO patents, primarily in Lithium-Sulfur Batteries. Top assignees: Lg Energy Solution, Ltd., Lg Chem, Ltd, Sogang University Research Foundation. Active years: 2011-2026.

USPTO Granted Patents = 52 (Patent Applications = 16)

% Patents Active = 92.3

EPO Patents = 39 (Patent Applications = 33)

Average Co-Inventor Count = 3.5

ph-index = 1

Forward Citations = 21(Granted Patents)

Location History:

Seoul, KR (2011)
Daejeon, KR (2020 - 2024)

Company Filing History:

45 out of 3,346

Lg Energy Solution, Ltd.

Sogang University Research Foundation

patents

4. 3 out of 1,100

Pohang University of Science and Technology Foundation

Seoul National University

patents

where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:

Lithium-Sulfur Battery

Sulfur-Carbon Composite

Positive Electrode

Electrolyte

Ceria-Carbon-Sulfur

Thermally Expanded Graphene

Carbon Nanostructure

Porous Carbon

Titania-Carbon Nanotube

Cathode Active Material

Liquid Electrolyte

Separator

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12683148 - Positive electrode active material for lithium secondary battery, method for producing same, and lithium secondary battery comprising same (2026-07-14),

2. 12676312 - Positive electrode active material containing thermally expanded-reduced graphene oxide with a montmorillonite additive, and a lithium-sulfur secondary battery thereof (2026-07-07),

3. 12592389 - Positive electrode coating material for lithium secondary battery, preparation method thereof, and positive electrode and lithium secondary battery comprising the coating material (2026-03-31),

4. 12573655 - Lithium-sulfur secondary battery (2026-03-10),

5. 12537227 - Liquid electrolyte for lithium-sulfur secondary battery and lithium-sulfur secondary battery comprising same (2026-01-27),

6. 12519101 - Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same (2026-01-06),

7. 12463216 - Sulfur-carbon composite and lithium secondary battery comprising same (2025-11-04),

8. 12431489 - Sulfur-carbon composite, method for preparing the same, and positive electrode for lithium-sulfur battery and lithium-sulfur battery comprising the same (2025-09-30),

9. 12418020 - Porous carbon material having core-shell structure, preparation method thereof, sulfur-carbon composite comprising same, and lithium secondary battery (2025-09-16),

10. 12368154 - Cathode active material for lithium secondary battery, manufacturing method thereof, and lithium secondary battery comprising same (2025-07-22),

11. 12266789 - Positive electrode active material for lithium-sulfur battery, preparation method thereof and lithium-sulfur battery comprising same (2025-04-01),

12. 12221348 - Thermally expanded reduced graphene oxide, manufacturing method therefor, sulfur-carbon composite comprising same, and lithium secondary battery (2025-02-11),

13. 12183889 - Lithium-sulfur battery electrolyte and lithium-sulfur battery comprising same (2024-12-31),

14. 12136729 - Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode (2024-11-05),

15. 12113206 - Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same (2024-10-08),

Title: Innovator Spotlight: Kwonnam Sohn - Pioneering Inventions for a Better Tomorrow

Introduction:

Kwonnam Sohn, a visionary inventor hailing from Daejeon, South Korea, has established himself as a true trailblazer in the realm of technological innovation. With an impressive portfolio of 32 patents to his name, Sohn's relentless pursuit of innovation and his unwavering commitment to shaping a better future through technology make him a standout figure in the world of inventions.

Latest Patents:

Among Sohn's latest patents is the groundbreaking Ceria-Carbon-Sulfur composite, a cutting-edge advancement that revolutionizes energy storage technology. This composite includes a unique ceria-carbon structure entwined with sulfur, paving the way for enhanced performance and efficiency in lithium-sulfur batteries. Additionally, Sohn's work on lithium secondary batteries, featuring a cathode catalyst with a stable structure, showcases his dedication to improving battery longevity and performance.

Career Highlights:

Sohn has made significant contributions to the energy storage sector through his tenure at leading companies such as LG Energy Solution and LG Chem. His innovative spirit and technical expertise have driven advancements in battery technology, positioning him as a key player in the industry's quest for sustainable solutions.

Collaborations:

Throughout his career, Sohn has collaborated with esteemed colleagues such as Doo Kyung Yang and Eunkyung Cho. These partnerships have fueled creativity and innovation, leading to the development of groundbreaking technologies that have the potential to shape the future of energy storage.

Conclusion:

In conclusion, Kwonnam Sohn's exceptional talent, coupled with his passion for innovation, has solidified his reputation as a pioneering inventor in the world of inventions. His contributions to energy storage technology underscore his commitment to driving positive change and creating a more sustainable future through groundbreaking advancements.

Profile summary based on public USPTO records.

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