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US 8,771,865 B2Granted
Secondary battery
AssigneesSamsung SDI Co., Ltd., Robert Bosch GmbH
InventorYoontai Kwak
Life of this patent
Estimating the term…
Abstract
A secondary battery including an electrode assembly, and a case, the case including a pair of long side walls facing each other, and a pair of short side walls at ends of the long side walls, and accommodating the electrode assembly in a space defined by the long side walls and the short side walls, each short side wall including a bottom region and a top region, the bottom region and top region each having a thickness, and the thickness of the bottom region being greater than the thickness of the top region.
Claims14
A secondary battery, comprising:
- an electrode assembly;
- and
- a case, the case:
- including a pair of long side walls facing each other, and a pair of short side walls at ends of the long side walls,
- including an open top into which the electrode assembly is inserted and including a bottom surface opposite to the open top, the bottom surface of the case being different from the long side walls and different from the short side walls, and
- accommodating the electrode assembly in a space defined by the bottom surface, the long side walls, and the short side walls,
- each short side wall including a bottom region and a top region, the bottom region and top region each having a thickness, and the thickness of the bottom region being greater than the thickness of the top region, wherein the top region is between the bottom region and the open top of the case and the bottom region is between the top region and the bottom surface of the case.
4 more elements
Dependencies are inferred from the claim text.