WO2002099920A3 - Electrochemical cell production - Google Patents

Electrochemical cell production Download PDF

Info

Publication number
WO2002099920A3
WO2002099920A3 PCT/GB2002/002380 GB0202380W WO02099920A3 WO 2002099920 A3 WO2002099920 A3 WO 2002099920A3 GB 0202380 W GB0202380 W GB 0202380W WO 02099920 A3 WO02099920 A3 WO 02099920A3
Authority
WO
WIPO (PCT)
Prior art keywords
cell
layer
membrane
cell assembly
cathode layer
Prior art date
Application number
PCT/GB2002/002380
Other languages
French (fr)
Other versions
WO2002099920A2 (en
Inventor
Fazlil Coowar
Vijay Dass
Original Assignee
Aea Technology Battery Systems
Fazlil Coowar
Vijay Dass
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0113551A external-priority patent/GB0113551D0/en
Priority claimed from GB0206666A external-priority patent/GB0206666D0/en
Application filed by Aea Technology Battery Systems, Fazlil Coowar, Vijay Dass filed Critical Aea Technology Battery Systems
Publication of WO2002099920A2 publication Critical patent/WO2002099920A2/en
Publication of WO2002099920A3 publication Critical patent/WO2002099920A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/14—Cells with non-aqueous electrolyte
    • H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
    • H01M6/188—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/40—Printed batteries, e.g. thin film batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

A lithium ion polymer cell comprises an anode layer and a cathode layer each comprising respective lithium ion insertion materials, separated by a porous polymeric membrane, wherein the anode layer and the cathode layer each incorporates a polymeric binder. The cell is made by coating a thin porous layer of a copolymer material onto the face of the anode layer and onto the face of the cathode layer, before assembling the anode layer, the porous polymeric membrane, and the cathode layer to form a cell assembly, and enclosing the cell assembly in an enclosure. A small quantity of a liquid such as acetone is introduced into the enclosure, this being a solvating liquid for the copolymer material but not for the polymeric material of the membrane, and then holding the temperature at a slightly elevated level such as 30°C, so the surfaces of the thin porous copolymer layers become tacky and adhere to the membrane. The solvating liquid can then be evaporated from the cell assembly, and an electrolyte solution introduced into the cell assembly to form a cell. This technique enables the cell components to be laminated together without requiring the application of pressure, and enables very thin membranes (e.g. 20 νm) to be used, which are of low resistance.
PCT/GB2002/002380 2001-06-05 2002-05-21 Electrochemical cell production WO2002099920A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0113551A GB0113551D0 (en) 2001-06-05 2001-06-05 Electrochemical cell lamination
GB0113551.6 2001-06-05
GB0206666.0 2002-03-21
GB0206666A GB0206666D0 (en) 2002-03-21 2002-03-21 Electrochemical cell lamination

Publications (2)

Publication Number Publication Date
WO2002099920A2 WO2002099920A2 (en) 2002-12-12
WO2002099920A3 true WO2002099920A3 (en) 2003-12-18

Family

ID=26246151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/002380 WO2002099920A2 (en) 2001-06-05 2002-05-21 Electrochemical cell production

Country Status (2)

Country Link
TW (1) TW552733B (en)
WO (1) WO2002099920A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0302834D0 (en) * 2003-02-07 2003-03-12 Aea Technology Battery Systems Secondary cell with tin anode

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540741A (en) * 1993-03-05 1996-07-30 Bell Communications Research, Inc. Lithium secondary battery extraction method
EP0834941A1 (en) * 1996-09-26 1998-04-08 Toray Industries, Inc. An electrode for a battery and a battery containing it
EP0848445A1 (en) * 1996-12-04 1998-06-17 Mitsubishi Denki Kabushiki Kaisha Lithium ion secondary battery and method of fabricating thereof
EP0862236A2 (en) * 1997-02-28 1998-09-02 Mitsubishi Denki Kabushiki Kaisha Adhesive for battery, battery using the same and method of fabricating the same
WO1999040644A1 (en) * 1998-02-05 1999-08-12 Mitsubishi Denki Kabushiki Kaisha Method for manufacturing lithium ion battery
EP1079455A2 (en) * 1999-08-24 2001-02-28 Japan Storage Battery Co., Ltd. Nonaqueous electrolyte battery
WO2001039296A1 (en) * 1999-11-23 2001-05-31 Valence Technology (Nevada), Inc. Multi-layer electrochemical cell devices
WO2001039297A1 (en) * 1999-11-23 2001-05-31 Valence Technology (Nevada), Inc. Separator for use in electrochemical cell devices
US20010037557A1 (en) * 1998-02-05 2001-11-08 Yasuhiro Yoshida Method for manufacturing lithium ion battery

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540741A (en) * 1993-03-05 1996-07-30 Bell Communications Research, Inc. Lithium secondary battery extraction method
EP0834941A1 (en) * 1996-09-26 1998-04-08 Toray Industries, Inc. An electrode for a battery and a battery containing it
EP0848445A1 (en) * 1996-12-04 1998-06-17 Mitsubishi Denki Kabushiki Kaisha Lithium ion secondary battery and method of fabricating thereof
EP0862236A2 (en) * 1997-02-28 1998-09-02 Mitsubishi Denki Kabushiki Kaisha Adhesive for battery, battery using the same and method of fabricating the same
WO1999040644A1 (en) * 1998-02-05 1999-08-12 Mitsubishi Denki Kabushiki Kaisha Method for manufacturing lithium ion battery
US20010037557A1 (en) * 1998-02-05 2001-11-08 Yasuhiro Yoshida Method for manufacturing lithium ion battery
EP1079455A2 (en) * 1999-08-24 2001-02-28 Japan Storage Battery Co., Ltd. Nonaqueous electrolyte battery
WO2001039296A1 (en) * 1999-11-23 2001-05-31 Valence Technology (Nevada), Inc. Multi-layer electrochemical cell devices
WO2001039297A1 (en) * 1999-11-23 2001-05-31 Valence Technology (Nevada), Inc. Separator for use in electrochemical cell devices

Also Published As

Publication number Publication date
WO2002099920A2 (en) 2002-12-12
TW552733B (en) 2003-09-11

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