Inventor · disambiguated record
Changfeng Bie
Also filed as: BIE CHANGFENG
4 granted patents·19 pending applications·0 citations·filing 2022–2025
53Inventor score
Top patents by PatentIndex Score
23 records- 0182US2025323256A1Single-crystalline low-cobalt ternary material, method for preparing same, secondary battery, battery pack, and power consumption apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 0281US2025368534A1Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 0379US2025372621A1Positive electrode active material, positive electrode plate, secondary battery, and power consuming apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 0479US2025372616A1Positive electrode sheet, secondary battery, and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 0576US2023327100A1Single-crystalline low-cobalt ternary material, method for preparing same, secondary battery, battery pack, and power consumption apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 0675US12288880B2Positive active material, lithium ion secondary battery, battery module, battery pack and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2022·Granted Apr 29, 2025·0 cites·20 claims
- 0773US12334540B2Battery pack and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Granted Jun 17, 2025·0 cites·13 claims
- 0873US2024363858A1Secondary battery, battery module, battery pack, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 0973US2025309263A1Positive electrode plate and preparation method therefor, as well as secondary battery, and electrical apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 1073US2025253329A1Positive electrode plate, secondary battery, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 1173US2025219082A1Positive active material, lithium ion secondary battery, battery module, battery pack and electric deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 1272US2025132322A1Secondary battery, battery module, battery pack, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Application pending·0 cites
- 1371US12095051B2Battery pack and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Granted Sep 17, 2024·0 cites·14 claims
- 1471US2025233153A1Composite positive electrode material and preparation method thereof, positive electrode plate, battery, and electrical deviceCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 1570US2024106060A1Battery pack and electric apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 1669US2025273663A1Composite positive electrode material and preparation method thereof, positive electrode plate, secondary battery, and electric apparatusCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
- 1768US11721804B2Carbon-coated lithium iron phosphate positive active material, method for preparing same, positive electrode plate containing same, and lithium-ion batteryCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Granted Aug 8, 2023·0 cites·19 claims
- 1865US2023108289A1Positive-electrode material, positive electrode plate, lithium secondary battery, battery module, battery pack, and apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 1965US2023207938A1Battery pack, and power consuming device thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 2063US2022359874A1Mixed positive electrode material, positive electrode plate and preparation method thereof, battery, and apparatusCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 2163US2023197959A1Positive electrode composite material for lithium-ion secondary battery and lithium-ion secondary batteryCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 2259US2023170472A1Positive electrode plate, secondary battery, battery module, battery pack and power consuming deviceCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 2355US2025230046A1Lithium iron phosphate and preparation method and application thereof, and ammonium salt compound and application thereofCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →