Electrochemical device and electronic device
The invention discloses an electrochemical device and an electronic device.The electrochemical device comprises a shell, an electrode assembly, a first tab and at least two first conductive parts, the electrode assembly comprises a first pole piece, and the first pole piece comprises a first composi...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
02.12.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses an electrochemical device and an electronic device.The electrochemical device comprises a shell, an electrode assembly, a first tab and at least two first conductive parts, the electrode assembly comprises a first pole piece, and the first pole piece comprises a first composite current collector and a first active material layer arranged on the surface of the first composite current collector; the first composite current collector comprises a first region and a plurality of second regions which are oppositely arranged, the first active material layer is provided with a first groove for exposing the first region and a second groove for exposing the second region, and the first tab is connected to the first region and partially extends out of the first region. Wherein the first end of a first conductive part is connected to a second area, the second end of the first conductive part extends out of the edge of the first composite current collector in the direction away from the first tab, |
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Bibliography: | Application Number: CN202211373126 |