Inventor
WANG JIAZHENG
CN32 patents
⚠️ This page may combine multiple inventors who share the name “WANG JIAZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
23 patentsUS11237215B2Feb 1, 2022
Method for determining fast charge performance of a negative electrode plate and method for designing a negative electrode plate
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD3 citations72
US11469418B2Oct 11, 2022
Negative electrode sheet and battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations62
US11114659B2Sep 7, 2021
Negative electrode sheet and secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations62
US12027695B2Jul 2, 2024
Secondary battery, process for preparing the same and apparatus containing the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations61
US11646416B2May 9, 2023
Secondary battery, process for preparing the same and apparatus containing the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations61
US11569498B2Jan 31, 2023
Negative electrode active material and method for preparation thereof, secondary battery, and apparatus including secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations61
US11133494B2Sep 28, 2021
Negative electrode plate and secondary battery comprising the same
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations61
US11088361B2Aug 10, 2021
Secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations61
US10700344B2Jun 30, 2020
Negative electrode plate and secondary battery comprising the same
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations61
US12074327B2Aug 27, 2024
Artificial graphite, preparation method thereof, secondary battery containing the same and power consuming device
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations60
US11283061B2Mar 22, 2022
Negative electrode plate, testing method of active specific surface area of electrode plate, battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations58
US11646417B2May 9, 2023
Negative electrode sheet and method for preparing the same, secondary battery, battery module, battery pack, and device
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations57
US11961993B2Apr 16, 2024
Secondary battery and apparatus including the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations51
US11901546B2Feb 13, 2024
Secondary battery, process for preparing the same and apparatus containing the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations51
US11901557B2Feb 13, 2024
Negative electrode active material, method for preparing same, secondary battery and apparatus including the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations51
US11682788B2Jun 20, 2023
Secondary battery and apparatus containing such secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations51
US11658335B2May 23, 2023
Secondary battery and preparation method thereof, and battery module, battery pack, and apparatus containing such secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations51
US11469409B2Oct 11, 2022
Negative electrode and battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations50
US11296320B2Apr 5, 2022
Secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations50
US11296321B2Apr 5, 2022
Negative electrode plate and battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations50
US12304820B2May 20, 2025
Silicon carbon composite material and preparation method thereof, negative electrode material, negative electrode plate, electrode assembly, battery, electric equipment, and carbon substrate
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations47
US12431501B2Sep 30, 2025
Battery cell, battery and electric device
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations46
US10658703B2May 19, 2020
Negative electrode plate and secondary battery comprising the same
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations40
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD
8 patentsUS12315930B2May 27, 2025
Artificial graphite and preparation method thereof, negative electrode plate, secondary battery, battery module, battery pack and electrical device
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations61
US12315918B2May 27, 2025
Secondary battery, process for preparing the same and apparatus containing the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations61
US12300810B2May 13, 2025
Secondary battery, process for preparing the same and apparatus containing the secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations61
US12230810B2Feb 18, 2025
Secondary battery and apparatus containing the same
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations61
US12199231B2Jan 14, 2025
Negative electrode plate and secondary battery
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations51
US12412892B2Sep 9, 2025
Secondary battery and electric apparatus
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations49
US12592378B2Mar 31, 2026
Negative electrode plate and preparation method thereof, secondary battery, battery module, battery pack, and electrical apparatus
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations45
US12199274B2Jan 14, 2025
Secondary battery and power consumption apparatus including the same preliminary class
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations44