A negative electrode and its manufacturing method, as well as a battery cell, battery, and power consumption device containing the same.
A flexible carbon material coating with ultrafine pores and functional groups on the negative electrode addresses uneven metal deposition in metal batteries, achieving high energy density and improved cycle life by stabilizing the SEI film and reducing dendrite growth.
JP2026517848APending Publication Date: 2026-06-02CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
- Filing Date
- 2023-05-31
- Publication Date
- 2026-06-02
Smart Images
Figure 2026517848000001_ABST
Abstract
This application provides a negative electrode and a method for manufacturing the same, as well as a battery cell, battery and power consumption device including the same, wherein the negative electrode comprises a negative electrode current collector and a coating provided on at least one surface of the negative electrode current collector, the coating comprises a flexible carbon material, the flexible carbon material comprises ultrafine pores with a pore diameter of 0.8 nm or less, and the pore volume of the ultrafine pores with a pore diameter of 0.8 nm or less is V mic It is stated that the pore volume of the flexible carbon material is V total The unit is cm. 3 / g is V mic :V total The ratio is ≥65:100.
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