Secondary battery
AssigneePrime Planet Energy & Solutions, Inc.
InventorsKazuki OSHIMA, Ryoichi WAKIMOTO
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Abstract
In the present secondary battery, a current collector is a first stack in which a plurality of metal plates are stacked, the current collector includes a first region and a second region, a positive electrode tab group is joined to the first region, a positive electrode current collection portion is joined to the second region, the current collector includes a bent portion bent between the first region and the second region, and a fuse portion is provided in the bent portion. According to the configuration of the present secondary battery, occurrence of damage to the tab group can be suppressed.
Claims14
A secondary battery comprising:
- an electrode assembly including a first electrode and a second electrode having a polarity different from a polarity of the first electrode;
- a case that accommodates the electrode assembly;
- a first tab electrically connected to the first electrode;
- and
- a first current collector connected to the first tab, wherein
- the first current collector is a first stack in which a plurality of metal plates are stacked,
- the first current collector includes a first region and a second region,
- the first tab is joined to the first region,
- another conductive member is joined to the second region,
- the first current collector includes a bent portion bent between the first region and the second region, and
- a fuse portion is provided in the bent portion.
Dependencies are inferred from the claim text.