Non-uniform battery cell
First Claim
Patent Images
1. An apparatus comprising:
- a first cell element having a first flat surface and a second flat surface, and the first cell element having a uniform height between the first flat surface and the second flat surface;
a second cell element, the second cell element to be stacked on a first portion of the first flat surface of the first cell element, the first cell element and the second cell element to form a non-uniform battery cell having a first battery cell height and a second battery cell height, the second battery cell height being at a first area in which the second cell element is stacked on a first portion of the first cell element and the first battery cell height at a second area corresponding to a second portion of the first cell element, and the second battery cell height is greater than the first battery cell height;
a first bus bar to electrically couple to a first end of the first cell element and to electrically couple to a first end of the second cell element, the first bus bar having a first bus bar height corresponding to the first battery cell height and a second bus bar height corresponding to the second battery cell height, the second bus bar height being greater than the first bus bar height; and
a second bus bar to electrically couple to a second end of the first cell element and to electrically couple to a second end of the second cell element, the second bus bar having a third bus bar height corresponding to the first battery cell height and a fourth bus bar height corresponding to the second battery cell height, the fourth bus bar height being greater than the third bus bar height.
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Abstract
An apparatus is provided that includes a two or more cell elements stacked internally to create a single cell with a non-uniform height. A first bus bar may electrically couple to a first side or first end of the cell elements in order to connect the terminals of the battery elements. A second bus bar may electrically couple to a second side or second end of the cell elements in order to connect the terminals of the battery elements.
6 Citations
18 Claims
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1. An apparatus comprising:
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a first cell element having a first flat surface and a second flat surface, and the first cell element having a uniform height between the first flat surface and the second flat surface; a second cell element, the second cell element to be stacked on a first portion of the first flat surface of the first cell element, the first cell element and the second cell element to form a non-uniform battery cell having a first battery cell height and a second battery cell height, the second battery cell height being at a first area in which the second cell element is stacked on a first portion of the first cell element and the first battery cell height at a second area corresponding to a second portion of the first cell element, and the second battery cell height is greater than the first battery cell height; a first bus bar to electrically couple to a first end of the first cell element and to electrically couple to a first end of the second cell element, the first bus bar having a first bus bar height corresponding to the first battery cell height and a second bus bar height corresponding to the second battery cell height, the second bus bar height being greater than the first bus bar height; and a second bus bar to electrically couple to a second end of the first cell element and to electrically couple to a second end of the second cell element, the second bus bar having a third bus bar height corresponding to the first battery cell height and a fourth bus bar height corresponding to the second battery cell height, the fourth bus bar height being greater than the third bus bar height. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
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a single non-uniform battery cell having a first part and a second part, the first part being a non-layered structure that includes a first battery cell element having a flat surface, and the second part being a layered structure that includes the flat surface of the first battery cell element, the first part of the single non-uniform battery cell having a first height, the second part of the single non-uniform battery cell having a second height, the second height being greater than the first height; a first bus bar to electrically couple to a first end of the first part of the single non-uniform battery cell and to electrically couple to a first end of the second part of the single non-uniform battery cell, the first bus bar having a third height at an area corresponding to the first part of the single non-uniform battery cell and a fourth height at an area corresponding to the second part of the single non-uniform battery cell, the fourth height to correspond to the second height and the third height to correspond to the first height; and a second bus bar to electrically couple to a second end of the first part of the non-uniform battery cell and to electrically couple to a second end of the second part of the non-uniform battery cell, the second bus bar having a fifth height at an area corresponding to the first part of the single non-uniform battery cell and a sixth height at an area corresponding to the second part of the single non-uniform battery cell, the sixth height to correspond to the second height and the fifth height to correspond to the first height. - View Dependent Claims (9, 10, 11)
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12. An electronic device comprising:
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a battery port to receive a non-uniform battery cell, the non-uniform battery cell including a first cell element and a second cell element, the second cell element to be stacked on the first cell element, the non-uniform battery cell having a first battery cell height and a second battery cell height, the second battery cell height being at a first area in which the second cell element is stacked on the first cell element and the first battery cell height being at a second area of the non-uniform battery cell, the second battery cell height being greater than the first battery cell height; a first bus bar to electrically couple to a first end of the non-uniform battery cell, the first bus bar to have a first bus bar height and a second bus bar height, the first bus bar height to correspond to the first battery cell height and the second bus bar height to correspond to the second battery cell height, the second bus bar height being greater than the first bus bar height; and a second bus bar to electrically couple to a second end of the non-uniform battery cell, the second bus bar to have a third bus bar height and a fourth bus bar height, the third bus bar height to correspond to the first battery cell height and the fourth bus bar height to correspond to the second battery cell height, the fourth bus bar height being greater than the third bus bar height. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification