Inventor
CHANG DONGGYU
KR15 patents
⚠️ This page may combine multiple inventors who share the name “CHANG DONGGYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG SDI CO LTD
14 patentsUS10833329B2Nov 10, 2020
Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD6 citations83
US11201328B2Dec 14, 2021
Nickel active material precursor for lithium secondary battery, method for producing nickel active material precursor, nickel active material for lithium secondary battery produced by method, and lithium secondary battery having cathode containing nickel active material
SAMSUNG SDI CO LTD3 citations70
US12080882B2Sep 3, 2024
Cathode active material for lithium secondary battery, and lithium secondary battery comprising cathode including cathode active material
SAMSUNG SDI CO LTD0 citations62
US11309542B2Apr 19, 2022
Nickel-based active material for lithium secondary battery, preparing method thereof, and lithium secondary battery including positive electrode including the same
SAMSUNG SDI CO LTD0 citations62
US11152610B2Oct 19, 2021
Cathode active material for lithium secondary battery, and lithium secondary battery comprising cathode including cathode active material
SAMSUNG SDI CO LTD0 citations62
US11742482B2Aug 29, 2023
Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD0 citations61
US11552294B2Jan 10, 2023
Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD0 citations61
US11302919B2Apr 12, 2022
Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD1 citations61
US11757092B2Sep 12, 2023
Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same
SAMSUNG SDI CO LTD1 citations60
US12322791B2Jun 3, 2025
Positive active material for rechargeable lithium battery, preparing method thereof and rechargeable lithium battery including the same
SAMSUNG SDI CO LTD0 citations57
US12300807B2May 13, 2025
Positive active material for rechargeable lithium battery, preparing method thereof and rechargeable lithium battery including the same
SAMSUNG SDI CO LTD0 citations57
US11456458B2Sep 27, 2022
Nickel-based active material precursor for lithium secondary battery, preparing method thereof, nickel-based active material for lithium secondary battery formed thereof, and lithium secondary battery comprising positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD0 citations56
US11955632B2Apr 9, 2024
Positive active material precursor, positive active material, method of preparing the same, positive electrode including the same and rechargeable lithium battery including the same
SAMSUNG SDI CO LTD0 citations54
US11569503B2Jan 31, 2023
Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
SAMSUNG SDI CO LTD0 citations50