BATTERY AND PORTABLE ELECTRICAL DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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N/A
Issued Date -
Dec 23, 2021
app pub date -
Sep 22, 2020
filing date -
Sep 22, 2020
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The present disclosure provides a battery and a portable electrical device. The battery includes a housing and a battery cell disposed in the housing; the battery cell includes electrodes and tabs, where the electrode includes a current collector and an active material layer, and the current collector includes a coating zone coated and an empty foil zone, and an end of the tab is welded to the empty foil zone by a laser welding process; a surface of the empty foil zone facing away from the tab has a plurality of welding zones arranged at intervals, and each welding zone comprises at least one line-shaped welding mark and a surface of the tab facing away from the empty foil zone has no welding mark. The protrusion of the present disclosure is less likely to pierce a separator between a positive electrode and a negative electrode.
First Claim
Other Claims data not available