Integral solid state embedded power supply

• US 5,180,645 A
• Filed: 03/01/1991
• Issued: 01/19/1993
• Est. Priority Date: 03/01/1991
• Status: Expired due to Term

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: More, Georgina
• Primary Examiner(s): KALAFUT, STEPHEN J
• Application Number:
  US07/662,598
• Time in Patent Office: 690 Days
• Field of Search: 429/98, 429/127, 429/152, 429/163, 429/192, 455/347
• US Class Current: 429/127
• CPC Class Codes: H01G 11/50 specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
• CPC Class Codes: H01M 10/05 Accumulators with non-aqueous electrolyte H01M10/39 takes precedence
• CPC Class Codes: H01M 50/209 adapted for prismatic or rectangular cells H01M50/216 takes precedence
• CPC Class Codes: H01M 50/528 Fixed electrical connections, i.e. not intended for disconnection
• CPC Class Codes: H01M 6/181 with polymeric electrolytes
• CPC Class Codes: H01M 6/46 of flat cells
• CPC Class Codes: H05K 1/16 incorporating printed electric components, e.g. printed resistor, capacitor, inductor
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02E 60/13 Energy storage using capacitors

Abstract

A battery (10) integrally formed in a substrate (2) comprises a first current collector (4) inlaid in the substrate (2) and further coupled to a first electrode (14), a second current collector (6) coupled to a second electrode (16), and a solid state electrolyte (8) between the first electrode (14) and the second electrode (16).

Claims

1. A battery integrally formed in a substrate, comprising:

a first current collector embedded in said substrate and further coupled to a first electrode;

a second current collector coupled to a second electrode; and

a solid state electrolyte between said first electrode and said second electrode.

2. The battery of claim 1, wherein said substrate comprises a flexible circuit carrying substrate.

3. The battery of claim 1, wherein said substrate comprises a portion of a housing.

4. The battery of claim 1, wherein said first current collector is selected from the group consisting of expanded metal, metal screens, and metal foils, wherein the metal foil is selected from the group consisting of nickel, copper, aluminum, chromium, and combinations thereof.

5. The battery of claim 1, wherein said second current collector material is selected from the group consisting of expanded metal, metal screens, and metal foils, wherein the metal foil is selected from the group consisting of nickel, copper, aluminum, chromium, and any combinations thereof.

6. The battery of claim 1, wherein said first electrode material is selected from the group consisting of lithium and lithium alloys, lithiated carbon (lithium ion) compounds, and doped lithium polymers, wherein the doped lithium polymer is selected from the group consisting of polyphenylene, polypyrrole, and polyaniline and their derivatives.

7. The battery of claim 1, wherein said second electrode material is selected from the group consisting of metal chalcogenides, wherein the metal chalcogenide is selected from the group consisting of titanium disulfide, vanadium oxides, doped lithium polymers, and redox polymers.

8. The battery of claim 1, wherein said solid state electrolyte is selected from the group consisting of conductive polymer materials, wherein the conductive polymer material is selected from the group consisting of polyethyleneoxide (PEO), polyphosphazene, polyether-substituted phosphazene (MEEP), and polypropyleneoxide.

9. A laminar battery forming an integral part of a portable electronic product, comprising:

a member of said portable product for receiving said laminar battery;

a group of solid state cells electrically coupled together, each cell comprising an anode, a cathode, and a solid electrolyte between said anode and cathode, said cathode comprising of a first current collector and a positive electrochemically active material, said anode comprising of a second current collector and a negative electrochemically active material, one of said cells being embedded in said member;

insulation means for insulating one cell within said group from another cell within said group; and

intercell connection means for electrically coupling said cells.

10. The battery of claim 9, wherein said member is selected from the group consisting of flex circuits, ceramic substrates, housings, and molded printed circuit boards.

11. The battery of claim 9, wherein said first current collector material is selected from the group consisting of expanded metal, metal screens, and metal foils, wherein the metal foil is selected from the group consisting of nickel, copper, aluminum, and any combinations thereof.

12. The battery of claim 9, wherein said second current collector material is selected from the group consisting of expanded metal, metal screens, and metal foils, wherein said foil is selected from the group consisting of nickel, copper, aluminum, and any combinations thereof.

13. The battery of claim 9, wherein said positive electrochemically active material is selected from the group of anode materials consisting of lithium and lithium alloys, lithiated carbon (lithium ion) compounds, and doped lithium polymers, wherein the doped lithium polymer is selected from the group consisting of polyphenylene, polypyrrole, and polyaniline and their derivatives.

14. The battery of claim 9, wherein said negative electrochemically active material is selected from the group of cathode materials consisting of metal chalcogenides, wherein the metal chalcogenide is selected from the group consisting of titanium disulfide, vanadium oxides, doped lithium polymers, and redox polymers.

15. The battery of claim 9, wherein said solid state electrolyte is selected from the group consisting of conductive polymer materials, wherein the conductive polymer material is selected from the group consisting of polyethyleneoxide (PEO), polyphosphazene, polyether-substituted phosphazene (MEEP), and polypropyleneoxide.

16. The laminar battery of claim 9, wherein said portable electronic product comprises a radio.

17. A radio having a battery integrally formed in a member within the radio, comprising:

a first current collector inlaid in said member and further coupled to a first electrode;

a second current collector coupled to a second electrode;

a solid state electrolyte between said first electrode and said second electrode.

18. The radio of claim 17, wherein said member comprises a substrate within said radio.

19. The radio of claim 17, wherein said member comprises the housing of the radio.