BOLTLESS BATTERY CELL CONNECTION
First Claim
1. A battery pack comprising:
- a plurality of battery cells each having positive and negative cell terminals;
a carrier being mounted over and spanning across the plurality of battery cells, the carrier having trays with openings therethrough exposing the positive and negative cell terminals; and
a plurality of buss bars received in corresponding trays, the buss bars each having a positive plate laser welded to the positive cell terminal of a corresponding battery cell through the corresponding opening and a negative plate laser welded to the negative cell terminal of a different battery cell through the corresponding opening.
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Accused Products
Abstract
A battery pack includes a plurality of battery cells each having positive and negative cell terminals and a carrier mounted over and spanning across the plurality of battery cells. The carrier has trays with openings therethrough exposing the positive and negative cell terminals. A plurality of buss bars are received in corresponding trays. The buss bars each have a positive plate laser welded to the positive cell terminal of a corresponding battery cell through the corresponding opening and a negative plate laser welded to the negative cell terminal of a different battery cell through the corresponding opening. The buss bars may be bimetal buss bars.
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Citations
20 Claims
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1. A battery pack comprising:
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a plurality of battery cells each having positive and negative cell terminals; a carrier being mounted over and spanning across the plurality of battery cells, the carrier having trays with openings therethrough exposing the positive and negative cell terminals; and a plurality of buss bars received in corresponding trays, the buss bars each having a positive plate laser welded to the positive cell terminal of a corresponding battery cell through the corresponding opening and a negative plate laser welded to the negative cell terminal of a different battery cell through the corresponding opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A battery pack comprising:
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a first battery cell having positive and negative cell terminals, the positive and negative cell terminals having flat pads; a second battery cell having positive and negative cell terminals, the positive and negative cell terminals having flat pads; and a bimetal buss bar electrically connecting the positive cell terminal of the first battery cell to the negative cell terminal of the second battery cell, the buss bar having a positive plate being terminated to the flat pad of the positive cell terminal of the first battery cell and the buss bar having a negative plate being terminated to the flat pad of the negative cell terminal of the second battery cell. - View Dependent Claims (13, 14, 15)
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16. A battery pack comprising:
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a buss bar having a plate and a voltage sensing contact integral with, and extending from, the plate; the buss bar being terminated between corresponding cell terminals of adjacent battery cells. - View Dependent Claims (17, 18, 19, 20)
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Specification