Rechargeable battery and battery module
AssigneeSamsung SDI Co., Ltd.
InventorMinhyung GUEN
Life of this patent
Estimating the term…
Abstract
A rechargeable battery includes an electrode assembly, and a cap plate defining a terminal hole, a pair of terminals connected with the electrode assembly, one of the terminals including a rivet terminal in the terminal hole with a seal gasket between the rivet terminal and the cap plate, a terminal plate coupled to the rivet terminal, surrounding a part of the rivet terminal at an exterior of the cap plate, and having an air layer therein, and an insulator between the cap plate and the terminal plate, and overlapping the air layer in a thickness direction of the cap plate.
Claims20
A rechargeable battery comprising:
- an electrode assembly;
- a cap plate defining a terminal hole;
- and
- a pair of terminals connected with the electrode assembly, one of the terminals comprising:
- a rivet terminal in the terminal hole with a seal gasket between the rivet terminal and the cap plate;
- a terminal plate coupled to the rivet terminal, surrounding a part of the rivet terminal at an exterior of the cap plate, and having an air layer therein;
- and
- an insulator between the cap plate and the terminal plate, and overlapping the air layer in a thickness direction of the cap plate.
A battery module comprising:
- rechargeable batteries respectively comprising:
- a cap plate defining terminal holes;
- and
- a pair of terminals in the cap plate, connected with an electrode assembly, and respectively comprising:
- rivet terminals respectively in the terminal holes with seal gaskets respectively between the cap plate and the rivet terminals;
- terminal plates respectively coupled to the rivet terminals, and respectively surrounding parts of the rivet terminals at an exterior of the cap plate;
- and
- insulators respectively between the cap plate and the terminal plates;
- and
- bus bars respectively fixed to corresponding ones of the terminal plates, and coupled to respective ones of the terminals to electrically connect the rechargeable batteries,
- wherein the terminal plates respectively comprise an air layer between a respective one of the insulators and a respective one of the bus bars along a thickness direction of the cap plate.
Dependencies are inferred from the claim text.