Electrical contact for current collectors of electrochemical cells and method therefor
First Claim
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1. - An electrical contact for connecting current collecting elements of a plurality of stacked electrochemical laminates, said electrical contact comprising:
- a current collecting terminal having a pair of arms, said arms defining therebetween a space in which the ends of the current collecting elements are received; and
a ductile electrically conductive material located within said space, said ductile electrically conductive material adapted to form an electrical bridge between the ends of said current collecting elements and said current collecting terminal.
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Abstract
An electrical contact for connecting current collecting elements of a stack of electrochemical laminates. The electrical contact is formed of a current collecting terminal and a ductile electrically conductive material. The current collecting terminal has a pair of arms defining a space therebetween for receiving the ends of the current collecting elements as stacked. The ductile electrically conductive material is located within the space and is adapted to form an electrical bridge between the ends of the current collecting elements and the current collecting terminal.
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Citations
18 Claims
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1. - An electrical contact for connecting current collecting elements of a plurality of stacked electrochemical laminates, said electrical contact comprising:
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a current collecting terminal having a pair of arms, said arms defining therebetween a space in which the ends of the current collecting elements are received; and
a ductile electrically conductive material located within said space, said ductile electrically conductive material adapted to form an electrical bridge between the ends of said current collecting elements and said current collecting terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. - An electrochemical generator comprising:
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a plurality of stacked electrochemical laminates, each electrochemical laminate including;
a) at least one electrolyte separator disposed between an anode film and a cathode film;
b) a current collecting element associated with one of said anode film and said cathode film, said current collecting element comprising a polymer substrate support film coated on both sides with a conductive metallic layer;
a current collecting terminal having a pair of arms defining therebetween a space in which the ends of said current collecting elements are received, said current collecting terminal being crimped onto the ends of said current collecting elements;
a ductile electrically conductive material located within said space, said ductile electrically conductive material filling at least a portion of said space thereby forming an electrical bridge between the ends of said current collecting elements and said current collecting terminal. - View Dependent Claims (12, 13, 14, 15, 16)
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17. - A method of connecting in parallel the current collecting elements of a plurality of electrochemical laminates, said method comprising:
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a) stacking the current collecting elements;
b) applying a layer of ductile electrically conductive material on at least a portion of the inside surface of a current collecting terminal, the current collecting terminal having a pair of arms defining a space therebetween;
c) positioning the ends of the current collecting elements as stacked within the space defined by the pair of arms of the current collecting terminal; and
d) crimping said current collecting terminal onto the ends of the current collecting elements. - View Dependent Claims (18)
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Specification