Secondary battery and power consumption device including the same
JP2025522544APending Publication Date: 2025-07-15CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Patent Information
- Application Number
- JP2024575332
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2022-11-14
- Publication Date
- 2025-07-15
Smart Images
Figure 2025522544000001_ABST
Abstract
This application proposes a secondary battery and a power consumption device including the same. This secondary battery includes a negative electrode plate, and the negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material, the negative electrode active material includes a carbon-based material, and in the negative electrode active material, the volume ratio of the first carbon-based material having a particle size of 2 μm or less is 15% or more. This secondary battery is excellent in initial efficiency and cycle performance.
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Citation Information
Patent Citations
Method of manufacturing negative electrode for non-aqueous electrolyte secondary battery
JP2017084567A