Composite current collector
By using a composite current collector layer design and surface coating materials, the problems of conductivity and corrosion resistance are solved, adapting to the needs of irregularly shaped batteries, reducing the amount of copper used and the cost of the tabs, and improving the performance and efficiency of the battery.
CN122158589APending Publication Date: 2026-06-05TIANJING (NANNING) AIRCRAFT MFG CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TIANJING (NANNING) AIRCRAFT MFG CO LTD
- Filing Date
- 2026-04-17
- Publication Date
- 2026-06-05
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Figure CN122158589A_ABST
Abstract
The present application relates to the technical field of battery, specifically relates to a kind of composite current collector, the composite current collector includes copper plating layer (1), aluminium foil (2), carbon coating layer (3), anticorrosive insulating layer (4);The composite current collector can be as the intermediate current collector of bipolar lithium, sodium battery (or battery core), and the electric conductivity is good, anticorrosive, reduces the use amount of copper, and is shaped to adapt to the demand of special-shaped structure.
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