Jeongdoo Yi

This inventor holds 15 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Samsung Sdi Co., Inc., Samsung Sdi., Ltd., Sejong University. Active years: 2020-2026.

USPTO Granted Patents = 15 (Patent Applications = 1)

% Patents Active = 100.0

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 7.0

ph-index = 1

Company Filing History:

14 out of 7,663

Samsung Sdi Co., Inc.

where one patent can have more than one assignee

Years Active: 2020-2026

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12562390 - Electrode assembly and lithium battery comprising same (2026-02-24),

2. 12341154 - Sulfide solid electrolyte for all-solid secondary battery, method of preparing the same, and all-solid secondary battery including the same (2025-06-24),

3. 11955601 - Sulfide solid electrolyte for all-solid secondary battery, method of preparing same, and all-solid secondary battery including the same (2024-04-09),

4. 11870079 - Electrode assembly and lithium battery comprising same (2024-01-09),

5. 11784347 - Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same (2023-10-10),

6. 11532859 - Rechargeable battery (2022-12-20),

7. 11495852 - Outer case for secondary battery, and secondary battery including same (2022-11-08),

8. 11465384 - Outer case for flexible rechargeable battery and flexible rechargeable battery including same (2022-10-11),

9. 11437651 - Stacked electrode assembly and flexible rechargeable battery comprising the same (2022-09-06),

10. 11362386 - Sheath material for secondary battery and secondary battery comprising same (2022-06-14),

11. 11239518 - Rechargeable battery and display device including the same (2022-02-01),

12. 11043722 - Flexible rechargeable battery (2021-06-22),

13. 11043713 - Band assembly (2021-06-22),

14. 10854857 - Secondary battery (2020-12-01),

15. 10749151 - Pouch-type rechargeable battery (2020-08-18),

Title: Jeongdoo Yi: Innovator in Solid-State Battery Technology

Introduction

Jeongdoo Yi is a prominent inventor based in Yongin-si, South Korea, known for his significant contributions to the field of solid-state battery technology. With a total of 14 patents to his name, Yi has been at the forefront of innovations that aim to enhance energy storage solutions.

Latest Patents

Among his latest patents, Yi has developed a sulfide solid electrolyte for all-solid secondary batteries. This innovative electrolyte includes lithium, phosphorus, sulfur, oxygen, and halogen atoms, featuring an argyrodite-type crystal structure. The halogen atoms consist of chlorine and at least two of bromine, iodine, and fluorine. Notably, the atomic ratio of sulfur to oxygen in the sulfide solid electrolyte is about 4 or higher, while the atomic ratio of chlorine to the other halogens is about 9 or higher. Another significant patent involves a method of preparing the sulfide solid electrolyte, which also includes specifications regarding peak intensity ratios obtained through X-ray diffraction analysis.

Career Highlights

Jeongdoo Yi has worked with notable companies such as Samsung SDI Co., Inc. and Sejong University. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to groundbreaking advancements in the field.

Collaborations

Some of his notable coworkers include Jungyup Yang and Juhee Sohn, who have collaborated with him on various projects related to solid-state batteries.

Conclusion

Jeongdoo Yi's work in the development of solid-state battery technology showcases his innovative spirit and dedication to advancing energy storage solutions. His patents reflect a commitment to improving the efficiency and safety of batteries, making a significant impact in the industry.