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US 9,318,734 B2Granted
Bimetal buss bar assembly
AssigneeTyco Electronics Corporation
InventorWeiping Zhao
Life of this patent
Estimating the term…
Abstract
A bimetal buss bar assembly includes a positive battery cell terminal having a flat pad, a negative battery cell terminal having a flat pad, and a buss bar having a negative end and a positive end. The buss bar is attached to the positive battery cell terminal at the positive end and attached to the negative battery cell terminal at the negative end. At least one of the positive battery cell terminal, negative battery cell terminal, and buss bar have a bimetal interface.
Claims24
A bimetal buss bar assembly comprising:
- a positive battery cell terminal having a flat pad;
- a negative battery cell terminal having a flat pad;
- and
- a buss bar having a negative end and a positive end;
- wherein the buss bar is attached to the positive battery cell terminal at the positive end and attached to the negative battery cell terminal at the negative end, and wherein at least one of the positive battery cell terminal, negative battery cell terminal, and buss bar have a bimetal interface.
2 more elements
A bimetal buss bar assembly comprising:
- a positive battery cell terminal having a flat pad, the positive battery cell being aluminum;
- a negative battery cell terminal having a flat pad, the negative battery cell being copper;
- and
- a bimetal buss bar having a negative end and a positive end, the buss bar comprises a copper block and an aluminum strip terminated to the copper block at the positive end to define a bimetal interface, wherein the copper block at the negative end of the buss bar is laser welded to the negative battery cell terminal at a laser weld interface and wherein the aluminum strip at the positive end of the buss bar is laser welded to the positive batter cell terminal at a laser weld interface.
1 more element
A bimetal buss bar assembly comprising:
- a positive battery cell terminal having a flat pad, the positive battery cell comprises an aluminum block having a copper strip terminated to the aluminum block at the flat pad to define a bimetal interface;
- a negative battery cell terminal having a flat pad, the negative battery cell being copper;
- and
- a bimetal buss bar having a negative end and a positive end, the buss bar comprises a copper bar, wherein the copper bar at the negative end of the buss bar is laser welded to the negative battery cell terminal at a laser weld interface and wherein the copper bar at the positive end of the buss bar is laser welded to the copper strip at a laser weld interface.
1 more element
Dependencies are inferred from the claim text.