Energy storage device
First Claim
Patent Images
1. An electrode assembly for energy storage devices, the assembly comprising first and second electrode means, and separator means separating the electrodes from each other;
- the first electrode means comprising a plurality of sections of predetermined configuration;
the second electrode means being of one-piece contruction and further comprising an elongate bus bar and multiple pairs of oppositely disposed electrode tabs of a predetermined configuration and which are commonly connected along the bus bar over its length, the bus bar being foldable in sections over its length and each electrode tab pair being foldable toward each other on opposite edges of the bus bar whereby the electrode means in assembled relationship are arranged in interleaved and folded fashion as follows;
the bus bar is folded at discrete intervals along its length whereby the second electrode tabs are folded so as to serially and sequentially enclose therebetween successive tab pairs folded along the length of the bus bar, and the first electrode means is arranged with its sections interleaved between the second electrode tabs.
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Abstract
Electrode construction and assembly for energy storage devices such as capacitors and batteries wherein the electrodes, both anode and cathode, are of one piece construction folded and interleaved to provide an electrode assembly of improved operation.
59 Citations
26 Claims
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1. An electrode assembly for energy storage devices, the assembly comprising first and second electrode means, and separator means separating the electrodes from each other;
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the first electrode means comprising a plurality of sections of predetermined configuration; the second electrode means being of one-piece contruction and further comprising an elongate bus bar and multiple pairs of oppositely disposed electrode tabs of a predetermined configuration and which are commonly connected along the bus bar over its length, the bus bar being foldable in sections over its length and each electrode tab pair being foldable toward each other on opposite edges of the bus bar whereby the electrode means in assembled relationship are arranged in interleaved and folded fashion as follows;
the bus bar is folded at discrete intervals along its length whereby the second electrode tabs are folded so as to serially and sequentially enclose therebetween successive tab pairs folded along the length of the bus bar, and the first electrode means is arranged with its sections interleaved between the second electrode tabs.
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2. An electrode assembly for energy storage, the assembly comprising first and second electrodes, each of which is of one-piece construction, and separator means separating the first and second electrodes from each other;
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the first electrode being planar and elongate and foldable over its length to provide a plurality of individual sections of predetermined configuration between folds; the second electrode comprising an elongate bus bar and multiple pairs of oppositely disposed electrode tabs of a predetermined configuration conforming to that of the first electrode sections, the tabs being commonly connected along the elongate bus bar over its length, the bus bar being foldable in sections over its length, and each electrode tab pair being foldable toward each other on opposite edges of the bus bar whereby the elements in assembled relationship are arranged in interleaved and folded fashion as follows;
the bus bar is folded at discrete intervals along its length and the second electrode tabs are folded so as to serially and sequentially enclose therebetween successive electrode tab pairs folded along the length of the bus bar, and the first electrode is folded along its length with the discrete folded sections thereof interleaved between the second electrode tabs. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An electrode assembly for energy storage devices, the assembly comprising first and second electrode means, and separator means separating the electrodes from each other;
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the first electrode means comprising a plurality of sections of predetermined configuration; the second electrode means being of one-piece construction and further comprising an elongate bus bar and multiple electrode tabs of a predetermined configuration which are commonly connected along the bus bar over its length, the bus bar being foldable in sections over its length and each electrode tab being foldable along the bus bar whereby the electrode means in assembled relationship are arranged in interleaved and folded fashion as follows;
the bus bar is folded at discrete intervals along its length whereby the second electrode tabs are folded so as to serially and sequentially enclose therebetween successive electrode tabs folded along the length of the bus bar, and the first electrode means is arranged with its sections interleaved between the second electrode tabs. - View Dependent Claims (25, 26)
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23. An electrode assembly for energy storage, the assembly comprising first and second electrodes, each of which is of one-piece construction, and separator means separating the first and second electrodes from each other;
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the first electrode being planar and elongate and foldable over its length to provide a plurality of individual sections of predetermined configuration between folds; the second electrode comprising an elongate bus bar and multiple pairs of electrode tabs of a predetermined configuration conforming to that of the first electrode sections, the tabs being commonly connected along the elongate bus bar over its length, the bus bar being foldable in sections over its length, and each electrode tab pair being foldable along the bus bar whereby the elements in assembled relationship are arranged in interleaved and folded fashion as follows;
the bus bar is folded at discrete intervals along its length and the second electrode tabs are folded so as to serially and sequentially enclose therebetween successive electrode tab pairs folded along the length of the bus bar, and the first electrode is folded along its length with the discrete folded sections thereof interleaved between the second electrode tabs. - View Dependent Claims (24)
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Specification