Bipolar electrochemical battery of stacked wafer cells
First Claim
1. A bipolar electrochemical battery comprising:
- a stack of at least two electrochemical cells electrically arranged in series with the positive face of each cell contacting the negative face of an adjacent cell, wherein each of the cells comprises (a) a negative electrode;
(b) a positive electrode;
(c) a separator between the electrodes, wherein the separator includes an electrolyte;
(d) a first electrically conductive lamination comprising a first, inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first, inner metal layer, said first electrically conductive lamination being in electrical contact with the outer face of the negative electrode; and
(e) a second electrically conductive lamination comprising a second, inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second, inner metal layer, said second electrically conductive lamination being in electrical contact with the outer face of the positive electrode;
wherein the first and second laminations are sealed peripherally to each other to form an enclosure including the electrodes, the separator and the electrolyte.
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Accused Products
Abstract
The bipolar electrochemical battery of the invention comprises:
a stack of at least two electrochemical cells electrically arranged in series with the positive face of each cell contacting the negative face of an adjacent cell, wherein each of the cells comprises
(a) a negative electrode;
(b) a positive electrode;
(c) a separator between the electrodes, wherein the separator includes an electrolyte;
(d) a first electrically conductive lamination comprising a first inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first inner metal layer, said first electrically conductive lamination being in electrical contact with the outer face of the negative electrode; and
(e) a second electrically conductive lamination comprising a second inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second inner metal layer, said second electrically conductive lamination being in electrical contact with the outer face of the positive electrode; wherein the first and second laminations are sealed peripherally to each other to form an enclosure including the electrodes, the separator and the electrolyte.
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Citations
35 Claims
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1. A bipolar electrochemical battery comprising:
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a stack of at least two electrochemical cells electrically arranged in series with the positive face of each cell contacting the negative face of an adjacent cell, wherein each of the cells comprises (a) a negative electrode;
(b) a positive electrode;
(c) a separator between the electrodes, wherein the separator includes an electrolyte;
(d) a first electrically conductive lamination comprising a first, inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first, inner metal layer, said first electrically conductive lamination being in electrical contact with the outer face of the negative electrode; and
(e) a second electrically conductive lamination comprising a second, inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second, inner metal layer, said second electrically conductive lamination being in electrical contact with the outer face of the positive electrode;
wherein the first and second laminations are sealed peripherally to each other to form an enclosure including the electrodes, the separator and the electrolyte.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. An electrochemical wafer cell comprising:
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(a) a negative electrode;
(b) a positive electrode;
(c) a separator between the electrodes, wherein the separator comprises an electrolyte;
(d) a first electrically conductive lamination comprising a first inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first inner metal layer, said first electrically conductive lamination being in electrical contact with the outer face of the negative electrode; and
(e) a second electrically conductive lamination comprising a second inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second inner metal layer, said second electrically conductive lamination being in electrical contact with the outer face of the positive electrode;
wherein the first and second laminations are sealed peripherally to each other to form an enclosure including the electrodes, the separator and the electrolyte.- View Dependent Claims (35)
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33. An assembly for containing contents of a wafer cell, comprising:
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(a) a first electrically conductive lamination comprising a first inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first inner metal layer, said first electrically conductive lamination capable of being in electrical contact with a negative electrode; and
(b) a second electrically conductive lamination comprising a second inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second inner metal layer, said second electrically conductive lamination capable being in electrical contact with a positive electrode, wherein the first and second laminations are capable of being sealed peripherally to each other to form an assembly for containing the contents of a wafer cell.
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34. A method of making a bipolar electrochemical battery comprising the steps of:
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providing a stack of at least two electrochemical cells electrically arranged in series with the positive face of each cell contacting the negative face of an adjacent cell, wherein each of the cells comprises (a) a negative electrode;
(b) a positive electrode;
(c) a separator between the electrodes, wherein the separator comprises an electrolyte;
(d) a first electrically conductive lamination comprising a first, inner metal layer and a first polymeric outer layer, said first polymeric outer layer having at least one perforation therein to expose the first, inner metal layer, said first electrically conductive lamination being in electrical contact with the outer face of the negative electrode; and
(e) a second electrically conductive lamination comprising a second, inner metal layer and a second polymeric outer layer, said second polymeric outer layer having at least one perforation therein to expose the second, inner metal layer, said second electrically conductive lamination being in electrical contact with the outer face of the positive electrode; and
sealing the first and second laminations peripherally to each other to form an enclosure including the electrodes, the separator and the electrolyte.
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Specification