Electric storage battery construction and method of manufacture
First Claim
Patent Images
1. An electrode assembly, comprising:
- an electrically conductive, elongate pin;
an elongate mandrel mounted on at least a portion of the pin, the mandrel including a longitudinal slot;
a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin, the first electrode strip and the second electrode strip being wound around the pin; and
the first electrode strip extending through the mandrel slot.
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Abstract
A battery includes a feedthrough pin which is electrically connected to an inner end of an electrode substrate. A mandrel on the pin can permit the pin/mandrel to be used as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin can serve as one of the battery terminals.
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Citations
59 Claims
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1. An electrode assembly, comprising:
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an electrically conductive, elongate pin; an elongate mandrel mounted on at least a portion of the pin, the mandrel including a longitudinal slot; a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin, the first electrode strip and the second electrode strip being wound around the pin; and the first electrode strip extending through the mandrel slot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An electrode assembly, comprising:
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an electrically conductive, elongate pin; an elongate mandrel mounted on at least a portion of the pin; a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin, the first electrode strip and the second electrode strip being wound around the pin, and a portion of the first electrode strip is positioned between the mandrel and the pin; and a first end cap mounted on the pin; the first end cap including an electrical insulator, the pin extending through the electrical insulator, and the pin being hermetically sealed to the electrical insulator. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. An electrode assembly, comprising:
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an electrically conductive, elongate pin; an elongate mandrel mounted on at least a portion of the pin; a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin, a portion of the first electrode strip is positioned between the mandrel and the pin; and the mandrel is fitted around the pin and the first electrode strip and the second electrode strip are wound around the pin and the mandrel. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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47. An electrode assembly, comprising:
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an electrically conductive, elongate pin; an elongate mandrel mounted on at least a portion of the pin, the mandrel having a c-shaped cross-section; a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin, the first electrode strip and the second electrode strip being wound around the pin; and a first end cap mounted on the pin; the first end cap including an electrical insulator, the pin extending through the electrical insulator, and the pin being hermetically sealed to the electrical insulator. - View Dependent Claims (48, 49, 50, 51, 52, 53)
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54. An electrode assembly, comprising:
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an electrically conductive, elongate pin; an elongate mandrel mounted on at least a portion of the pin, the mandrel having a c-shaped cross-section; a first electrode strip in electrical communication with the pin and a second electrode strip electrically insulated from the pin; and the mandrel is fitted around the pin and the first electrode strip and the second electrode strip are wound around the pin and the mandrel. - View Dependent Claims (55, 56, 57, 58, 59)
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Specification