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US 2026/0074331 A1Published application
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorDong Bok YANG
Life of this patent
Estimating the term…
Abstract
A secondary battery includes a case including an accommodation part and a cap part, the accommodation part and the cap part being bonded by a sealing layer that includes a first sealing layer and a second sealing layer, and a melting temperature of the second sealing layer being lower than a melting temperature of the first sealing layer, an electrode assembly accommodated in the accommodation part, a plurality of electrode tabs connected to the electrode assembly, and a plurality of leads connected to the electrode tabs.
Claims20
A secondary battery, comprising:
- a case comprising an accommodation part and a cap part, the accommodation part and the cap part being bonded by a sealing layer on a sealing part, the sealing layer comprising a first sealing layer and a second sealing layer, and a melting temperature of the second sealing layer being lower than a melting temperature of the first sealing layer;
- an electrode assembly accommodated in the accommodation part;
- a plurality of electrode tabs connected to the electrode assembly;
- and
- a plurality of leads connected to the plurality of electrode tabs.
2 more elements
A secondary battery, comprising:
- a case comprising an accommodation part and a cap part bonded by a sealing layer on a sealing region, the sealing layer comprising sealing parts, and at least one of the sealing parts comprising sealing sub-layers having different thicknesses from each other;
- an electrode assembly accommodated in the accommodation part;
- a plurality of electrode tabs connected to the electrode assembly;
- and
- a plurality of leads connected to the plurality of electrode tabs.
2 more elements
A secondary battery, comprising:
- a case comprising an accommodation part and a cap part bonded by a sealing layer on a sealing region, the sealing layer comprising sealing parts, and at least one of the sealing parts comprising a sealing sub-layer having a width smaller than a width of the sealing region;
- an electrode assembly accommodated in the accommodation part;
- a plurality of electrode tabs connected to the electrode assembly;
- and
- a plurality of leads connected to the plurality of electrode tabs.
2 more elements
Dependencies are inferred from the claim text.