Source: http://www.google.com/patents/US20100209756?ie=ISO-8859-1
Timestamp: 2015-01-30 17:45:59
Document Index: 301452837

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60']

Patent US20100209756 - Flexible Thin Printed Battery and Device and Method of Manufacturing Same - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte...http://www.google.com/patents/US20100209756?utm_source=gb-gplus-sharePatent US20100209756 - Flexible Thin Printed Battery and Device and Method of Manufacturing SameAdvanced Patent SearchPublication numberUS20100209756 A1Publication typeApplicationApplication numberUS 12/758,837Publication dateAug 19, 2010Filing dateApr 13, 2010Priority dateFeb 12, 2002Also published asCA2513454A1, CN1659726A, CN100367539C, EP1485960A2, EP1485960B1, EP2276092A1, EP2276092B1, US7348096, US7625664, US7727290, US8119278, US20030165744, US20060115717, US20100040941, US20110274959, US20120107666, WO2003069700A2, WO2003069700A3Publication number12758837, 758837, US 2010/0209756 A1, US 2010/209756 A1, US 20100209756 A1, US 20100209756A1, US 2010209756 A1, US 2010209756A1, US-A1-20100209756, US-A1-2010209756, US2010/0209756A1, US2010/209756A1, US20100209756 A1, US20100209756A1, US2010209756 A1, US2010209756A1InventorsJohn C. Bailey, Abdelkader Hilmi, Mark A. Schubert, Jing Zhang, Guanghong ZhengOriginal AssigneeEveready Battery Company, Inc.Export CitationBiBTeX, EndNote, RefManReferenced by (4), Classifications (72) External Links: USPTO, USPTO Assignment, EspacenetFlexible Thin Printed Battery and Device and Method of Manufacturing SameUS 20100209756 A1Abstract A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.
the housing comprises a flexible, electrically nonconductive substrate; at least one of the positive electrode and the negative electrode is a printed electrode on a portion of the substrate; the positive electrode being in physical contact with a positive electrode current collector; and the positive electrode current collector comprises an electrically conductive metal coated with an electrically conductive film comprising a carbon. 2. The battery according to claim 1, wherein the electrically conductive metal comprises silver or aluminum.
a member of the group consisting of cetyltrimethylammonium bromide; a polymer having a phosphate group and chains comprising polyethylene oxide; and combinations thereof. 15. The battery according to claim 1, wherein the negative electrode comprises zinc and the positive electrode comprises manganese dioxide.
CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation application of U.S. application Ser. No. 12/603,114, filed Oct. 21, 2009, which is a continuation of U.S. application Ser. No. 11/332,635, filed Jan. 12, 2006, which is a continuation of U.S. application Ser. No. 10/321,182, filed Dec. 17, 2002, entitled �FLEXIBLE THIN PRINTED BATTERY AND DEVICE AND METHOD OF MANUFACTURING SAME,� now issued as U.S. Pat. No. 7,348,096, which claims the benefit under 35 USC 119(e) to the following U.S. provisional patent applications: U.S. Application No. 60/356,407, U.S. Application No. 60/356,236, U.S. Application No. 60/356,213, U.S. Application No. 60/356,406, U.S. Application No. 60/356,583, U.S. Application No. 60/356,247, U.S. Application No. 60/356,266, and U.S. Application No. 60/356,584, all filed on Feb. 12, 2002. The aforementioned related applications are hereby incorporated herein by reference.
TABLE II (co-facial electrodes): Minimum required cathode Test current collector thickness 100 cycles (1 cycle = 6 sec. 6-8 microns at 2 mA and 60 sec. off) 100 cycles (1 cycle = 16 sec. 24-30 microns at 8 mA and 60 sec. off) The resistance of these collectors and their resulting performance are a function of the drying conditions utilized.
ZINC1 BINDER
MnO2 BINDER
GRAPHITE1 (weight
Separator and Electrolyte For co-facial electrode assemblies, a separator is necessary to electrically isolate the electrodes while still enabling the flow of ions, as is known in the art. The separator can be a paper separator, a gelled separator or a printed separator. In a carbon zinc embodiment of the within invention using an electrode assembly with a co-facial arrangement, a coated kraft paper separator can be utilized as a separator. As an example, a suitable separator base paper is available commercially from Munksjo #300542 (57 g/m2) and is preferably coated to a level of 20 grams per square meter (gsm) (dry) with a mixture having a dry coating composition of starch (preferably 83.6 weight percent, commercially available from, for example, Roquette LAB2469), gel (preferably 7.9 weight percent, commercially available from, for example, Courtaulds B1209), PVP (preferably 2.1 weight percent), and surfactant additive (preferably 1.4 weight percent ethyl tallow amine known commercially as Crodamet) and water (5.0 weight percent). Appropriate coated kraft paper separators are described, for example, in EP 0832502 B1, WO 96/38869, WO 98/07204, U.S. Pat. No. 6,221,532 and WO 99/35700. The disclosure of U.S. Pat. No. 6,221,532 is incorporated by reference as if fully rewritten herein. Other suitable separator materials can be used in cells according to the within invention without departing from the scope of the within invention.
6% 600,000MW PEO 0.5% Irgacure 184 0.1% Triton QS 44 83% electrolyte (28% ZnCl2)
0.5% Irgacure 184 84% electrolyte (28% ZnCl2)
EXAMPLE 7 Alkaline Cells with a Polymer Separator and a Zinc Ink Having Excess+2 Zinc Ions Co-facial cells were constructed with and without the addition of excess+2 zinc ions to the anode ink formulation to compare performance. All the cells included a copolymer separator comprising a 20:80 molar ratio of acrylic acid and sodium styrene sulphonate. The gel is formed by combining the copolymers in the above molar ratio with water so that the resulting solution is 20 weight percent copolymer, 80 weight percent water. The anode and the cathode are each initially coated with the copolymer gel to form an adhesive layer approximately 0.001 inch thick. While these layers are still wet, a free-standing co-polymer film of a thickness as indicated in Table IX was placed onto one of the wet layers and the cell was then assembled in a co-facial arrangement, with the wet co-polymer layers additionally providing adhesive properties. The free-standing film was formed by applying a doctor blade to the above gel on glass and coagulating the film by dipping the glass into a 37-40 weight percent potassium hydroxide bath.
EXAMPLE 8 Sound Card Circuit A printed cell is assembled as follows: initially, a cathode collector is printed onto the sealing surface of a single sheet of a metal laminated packaging material available from Pharma Center Shelbyville, product number 95014, and dried. The cathode current collector is Electrodag PF-407C, a carbon polymer ink available from Acheson. The cathode collector is printed to a dry thickness of 36 microns�27 millimeters�40 millimeters. Next, silver external tabs for the anode and cathode are printed onto the sealing surface of the same sheet of metal laminate and dried. The cathode tab overlaps the cathode current collector ink already deposited onto the metal laminate surface. The silver ink is Acheson 479SS, and each tab has a dry dimension of 32.3 millimeters�11.0 millimeters�10.0 microns thick, and is separated from the other by 11 millimeters. An anode is printed on the same laminate sheet. The anode is a zinc ink with a wet composition of 57.35 weight percent Union Miniere zinc dust with a laser median diameter of 10 microns as reported by the manufacturer, 1.33 weight percent PVP, 31.74 weight percent water and 9.58 weight percent zinc acetate available from Aldrich as Zn(OOOCH3)2.2H20. The ink is made by first mixing the aqueous zinc acetate solution first, then dissolving the PVP into the solution, and finally adding the zinc dust and stirring until homogeneously mixed. The anode is printed onto the substrate material, overlapping the silver anode tab already deposited on the sealing surface of the metal laminate to a dry thickness of 100 microns�6 millimeters�38.6 millimeters. One of skill in the art will recognize that the order of printing can be changed, and the silver external tabs can be printed initially directly onto the sealing surface without departing from the scope of the within invention.
Coated kraft separator paper with a thy thickness of 0.089 to 0.114 millimeters�40 millimeters�43.6 millimeters is placed over the electrodes. The separator base paper is available from Munksjo #300542, and is coated at a level of 20 grams per square meter (gsm) with a mixture of starch (83.6 weight percent available from Roquette LAB2469), gel (7.9 weight percent available from Courtlands B1209), PVP (2.1 weight percent), surfactant (1.4 weight percent ethyl tallow amine known commercially as Crodamet) and water (5 weight percent). A second sheet of laminate packaging material is placed over the electrode assembly and the package is trimmed and heat sealed along three edges. Electrolyte in the amount of 0.6 grams is added to the package. The electrolyte is a 28 weight percent zinc chloride solution to which 600 ppm lead chloride and 1000 ppm cetyltrimethylammonium bromide are added. The final solution is then filtered to remove solids prior to use. After the electrolyte is added, the cell is heat sealed along the remaining edge and trimmed to the desired outer dimension.
Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8119278Jul 18, 2011Feb 21, 2012Eveready Battery Company, Inc.Flexible thin printed battery and device and method of manufacturing sameUS8722233 *Apr 24, 2006May 13, 2014Blue Spark Technologies, Inc.RFID antenna-battery assembly and the method to make the sameUS8734980 *Apr 25, 2012May 27, 2014Blue Spark Technologies, Inc.Electrical device-battery assembly and the method to make the sameUS20120206887 *Apr 25, 2012Aug 16, 2012Blue Spark Technologies, Inc.Electrical device-battery assembly and the method to make the same* Cited by examinerClassifications U.S. Classification429/124International ClassificationH01M2/30, H01M6/12, H01M6/02, H01M6/22, H01M2/26, H01M2/16, H01M4/66, H01M4/26, H01M4/24, H01M2/20, H01M6/06, H01M6/04, H01M4/70, H01M4/62, H01M2/18, H01M2/08, B05D3/02, H01M4/08, H01M4/02, H01M4/06, H01M4/04, H01M4/50, B05D3/06, H01M2/02, H01M6/40Cooperative ClassificationH01M2300/0002, H01M2/0277, H01M4/244, H01M4/0404, H01M2300/0085, H01M6/045, H01M6/40, H01M4/625, H01M2300/0014, H01M4/62, H01M2/0275, H01M2004/027, H01M4/08, H01M4/663, H01M4/623, H01M4/06, H01M2/1653, Y02E60/124, H01M2004/028, H01M6/22, H01M4/50, H01M4/0414, H01M2004/021, H01M4/667, H01M2/18, H01M4/26, H01M6/12, H01M2/0257European ClassificationH01M4/04B2, H01M4/24C, H01M6/12, H01M4/26, H01M4/04B12, H01M2/02E14, H01M4/66K2, H01M4/62B2F, H01M6/04E, H01M2/16C3, H01M4/62, H01M2/02E, H01M6/40, H01M6/22, H01M4/50, H01M4/08, H01M4/06, H01M2/18RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services