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US 2006/0216587 A1Published application
Cylindrical lithium rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorShin Kang
Life of this patent
Estimating the term…
Abstract
A cylindrical lithium rechargeable battery includes a core member made of a material that is softer than steel use stainless and has specific gravity lower than that of steel use stainless. The core member may prevent deformation and breakage of a cap assembly.
Claims17
A cylindrical lithium rechargeable battery, comprising:
- an electrode assembly comprising a first electrode plate, a second electrode plate, and a separator arranged between the first electrode plate and the second electrode plate, the electrode assembly having a cavity at its central portion;
- a core member in the shape of a rod and made of a material that is softer than steel use stainless and that has a specific gravity lower than that of steel use stainless, the core member being arranged in the cavity;
- a case in which the electrode assembly and the core member are arranged, the case comprising an opening arranged at an upper portion of the case;
- and
- a cap assembly coupled with the upper portion of the case, the cap assembly sealing the case.
2 more elements
A cylindrical lithium rechargeable battery, comprising:
- an electrode assembly comprising a first electrode plate, a second electrode plate, and a separator arranged between the first electrode plate and the second electrode plate, the electrode assembly having a cavity at its central portion;
- a core member comprising a plurality of wing sections, the core member being arranged in the cavity;
- a case in which the electrode assembly and the core member are arranged, the case comprising an opening arranged at an upper portion of the case;
- and
- a cap assembly coupled with the upper portion of the case, the cap assembly sealing the case.
2 more elements
Dependencies are inferred from the claim text.