Positive electrode active material, preparation method thereof, battery cell, and power consuming apparatus
US-2026062298-A1 · Mar 5, 2026 · US
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Bie Changfeng patents
Bie Changfeng is listed as an inventor on 29 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Bie Changfeng |
| Total patents | 29 |
| First publication | Nov 10, 2022 |
| Latest publication | Mar 5, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Positive electrode plate, preparation method thereof, secondary battery, and electric apparatus
US-2026066292-A1 · Mar 5, 2026 · US
Positive electrode sheet, secondary battery, and electric device
US-2025372616-A1 · Dec 4, 2025 · US
Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, and electrical device
US-2025368534-A1 · Dec 4, 2025 · US
Positive electrode active material, positive electrode plate, secondary battery, and power consuming apparatus
US-2025372621-A1 · Dec 4, 2025 · US
Single-crystalline low-cobalt ternary material, method for preparing same, secondary battery, battery pack, and power consumption apparatus
US-2025323256-A1 · Oct 16, 2025 · US
Positive electrode plate and preparation method therefor, as well as secondary battery, and electrical apparatus
US-2025309263-A1 · Oct 2, 2025 · US
Composite positive electrode material and preparation method thereof, positive electrode plate, secondary battery, and electric apparatus
US-2025273663-A1 · Aug 28, 2025 · US
Positive electrode plate, secondary battery, and electrical device
US-2025253329-A1 · Aug 7, 2025 · US
Lithium iron phosphate and preparation method and application thereof, and ammonium salt compound and application thereof
US-2025230046-A1 · Jul 17, 2025 · US
Recent patents
Latest publications not already listed above.
Composite positive electrode material and preparation method thereof, positive electrode plate, battery, and electrical device
US-2025233153-A1 · Jul 17, 2025 · US
Positive active material, lithium ion secondary battery, battery module, battery pack and electric device
US-2025219082-A1 · Jul 3, 2025 · US
Battery pack and electrical device
US-12334540-B2 · Jun 17, 2025 · US
Positive active material, lithium ion secondary battery, battery module, battery pack and electric device
US-12288880-B2 · Apr 29, 2025 · US
Secondary battery, battery module, battery pack, and electrical device
US-2025132322-A1 · Apr 24, 2025 · US
Secondary battery, battery module, battery pack, and electrical device
US-2024363858-A1 · Oct 31, 2024 · US
Battery pack and electrical device
US-12095051-B2 · Sep 17, 2024 · US
Battery pack and electrical device
US-2024290944-A1 · Aug 29, 2024 · US
Battery pack and electric apparatus
US-2024106060-A1 · Mar 28, 2024 · US
Battery pack and electrical device
US-2024088460-A1 · Mar 14, 2024 · US
Single-crystalline low-cobalt ternary material, method for preparing same, secondary battery, battery pack, and power consumption apparatus
US-2023327100-A1 · Oct 12, 2023 · US
Carbon-coated lithium iron phosphate positive active material, method for preparing same, positive electrode plate containing same, and lithium-ion battery
US-11721804-B2 · Aug 8, 2023 · US
Battery pack, and power consuming device thereof
US-2023207938-A1 · Jun 29, 2023 · US
Positive electrode composite material for lithium-ion secondary battery and lithium-ion secondary battery
US-2023197959-A1 · Jun 22, 2023 · US
Positive electrode plate, secondary battery, battery module, battery pack and power consuming device
US-2023170472-A1 · Jun 1, 2023 · US
Positive-electrode material, positive electrode plate, lithium secondary battery, battery module, battery pack, and apparatus
US-2023108289-A1 · Apr 6, 2023 · US
Carbon-coated lithium iron phosphate positive active material, method for preparing same, positive electrode plate containing same, and lithium-ion battery
US-2023062063-A1 · Mar 2, 2023 · US
Positive active material, lithium ion secondary battery, battery module, battery pack and electric device
US-2023035380-A1 · Feb 2, 2023 · US
Mixed positive electrode material, positive electrode plate and preparation method thereof, battery, and apparatus
US-2022359874-A1 · Nov 10, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Contemporary Amperex Technology Co Ltd | 20 |
| Contemporary Amperex Technology Hong Kong Ltd | 9 |
| Contemporary Ampererx Tech Co Limited | 1 |
| Hunan Yuneng New Energy Battery Mat Co Ltd | 1 |
| Contemporary Amperex Tech Co Limted | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 29 |
| H01M2004/028 | 27 |
| H01M10/0525 | 26 |
| H01M4/5825 | 26 |
| H01M4/366 | 20 |