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For the Inventor, By the Inventor

Yongin-si, South Korea

Chang-Wook Kim

USPTO Granted Patents = 20 

Average Co-Inventor Count = 4.8

ph-index = 3

Forward Citations = 66(Granted Patents)


Location History:

  • Seongnam, KR (2000)
  • Seongnam-si, KR (2004)
  • Suwon-si, KR (2009 - 2010)
  • Yongin-si, KR (2014 - 2020)

Company Filing History:

goldMedal19 out of 7,651 
 
Samsung Sdi Co., Inc.
 patents
silverMedal1 out of 427 
 
Samsung Display Devices Co., Ltd.
 patents

Years Active: 2000-2020

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20 patents (USPTO):Explore Patents
1. 10826058 - Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same (2020-11-03),
2. 10629902 - Positive active material for rechargeable lithium battery, method of preparing the same, and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same (2020-04-21),
3. 10454099 - Positive active material for rechargeable lithiuim battery and rechargeable lithium battery including same (2019-10-22),
4. 10079384 - Composite cathode active material, cathode and lithium battery including the composite cathode active material, and method of preparing the composite cathode active material (2018-09-18),
5. 9912006 - Method of manufacturing composite positive active material, composite positive active material manufactured thereby, and positive electrode and lithium battery including the composite positive active material (2018-03-06),
6. 9722241 - Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same (2017-08-01),
7. 9685657 - Composite precursor, composite prepared therefrom, a method of preparing a composite precursor and a composite, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same (2017-06-20),
8. 9601765 - Positive active material, preparing method thereof, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same (2017-03-21),
9. 9577258 - Method of preparing composite cathode active material, composite cathode active material, and cathode and lithium battery containing the composite cathode active material (2017-02-21),
10. 9570739 - Composite positive active material, method of preparing the same, and positive electrode and lithium battery containing the material (2017-02-14),
11. 9570738 - Positive active material, positive electrode and lithium battery including the positive active material, and method of manufacturing the positive active material (2017-02-14),
12. 9450241 - Composite cathode active material, and cathode and lithium battery including the material (2016-09-20),
13. 9437874 - Active material for a lithium secondary battery, method of manufacturing the same, electrode including the active material, and lithium secondary battery including the electrode (2016-09-06),
14. 9236609 - Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same (2016-01-12),
15. 8697282 - Negative active for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same (2014-04-15),

Title: The Innovative Contributions of Chang-Wook Kim

Introduction: Chang-Wook Kim, based in Yongin-si, South Korea, is a notable inventor with a robust portfolio of 20 patents. His work primarily revolves around advancements in rechargeable lithium batteries, showcasing his commitment to cutting-edge technology and sustainability in the energy sector.

Latest Patents: Among his latest inventions is a positive electrode for a rechargeable lithium battery, which features a current collector and an active material layer. This innovative design includes a small particle size active material with an average particle diameter of 2 µm to 4 µm, coupled with a larger particle size active material ranging from 17 µm to 21 µm, both enhanced with specialized coating layers. Another significant contribution is a positive active material for rechargeable lithium batteries that includes overlithiated layered oxide (OLO), which improves battery performance and longevity.

Career Highlights: Chang-Wook Kim's career has seen him excel at prominent companies such as Samsung SDI Co., Inc. and Samsung Display Devices Co., Ltd. His role in these organizations has been pivotal in driving forward innovative solutions in the battery technology space.

Collaborations: Throughout his career, Chang-Wook Kim has collaborated with other esteemed professionals in the field, including Yong-Chan You and Ji-Hyun Kim. Together, they have worked towards advancing the technology necessary for next-generation energy solutions.

Conclusion: Chang-Wook Kim stands out as a remarkable inventor whose contributions to rechargeable lithium battery technology are shaping the future of energy storage. His dedication to innovation and collaboration continues to inspire advancements, ensuring that we move closer to sustainable energy solutions.

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