BUTTON CELL AND ELECTRONIC DEVICE
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Nov 5, 2024
filing date -
Nov 5, 2024
priority date (Note) -
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Abstract
A button cell includes a winding body, a first metal plate and a first layer. The winding body includes a first current collector. The first metal plate is connected to the first current collector at a first portion. The first layer covers the first portion. In the winding direction, the first layer includes a first side edge and a second side edge, the first side edge intersects with the first current collector at a first end point, and the second side edge intersects with the first current collector at a second end point. A line connecting the first end point and a winding central axis is defined as a first virtual line, a line connecting the second end point and the winding central axis is defined as a second virtual line, and an included angle between the first virtual line and the second virtual line is 54° to 66°.
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