WO2019062372A1 - 可挠电池 - Google Patents

可挠电池 Download PDF

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Publication number
WO2019062372A1
WO2019062372A1 PCT/CN2018/100845 CN2018100845W WO2019062372A1 WO 2019062372 A1 WO2019062372 A1 WO 2019062372A1 CN 2018100845 W CN2018100845 W CN 2018100845W WO 2019062372 A1 WO2019062372 A1 WO 2019062372A1
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WO
WIPO (PCT)
Prior art keywords
polymer
battery according
flexible
flexible battery
electrochemical reaction
Prior art date
Application number
PCT/CN2018/100845
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English (en)
French (fr)
Chinese (zh)
Inventor
杨思枬
Original Assignee
辉能科技股份有限公司
英属开曼群岛商辉能控股股份有限公司
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
Application filed by 辉能科技股份有限公司, 英属开曼群岛商辉能控股股份有限公司 filed Critical 辉能科技股份有限公司
Priority to DE212018000337.8U priority Critical patent/DE212018000337U1/de
Priority to JP2020600052U priority patent/JP3228671U/ja
Publication of WO2019062372A1 publication Critical patent/WO2019062372A1/zh
Priority to AU2020100433A priority patent/AU2020100433A4/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the casing
    • 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
    • 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

Definitions

  • the present invention relates to a flexible battery, and more particularly to a flexible battery that avoids bending and causes separation of the electrochemical reaction structure from the package structure.
  • the active material layer and the collector layer have better adhesion, the moving distance of electrons and ions in the pole layer can be effectively shortened, and the resistance inside the pole layer is lowered, and the electricity is increased. Chemical conversion efficiency.
  • the distance of electron and ion migration is shortened, and the interface between the layers is hindered to be lowered, thereby improving the coulombic efficiency, and the battery is still charged and discharged repeatedly. Can maintain its capacity.
  • the selection of the adhesive in the active material layer can not only significantly affect the adhesion state between the layers, but also directly determine the content and distribution of the active material in the active material layer, along with the active material and the adhesive. The better the connection relationship, the better the active material content and arrangement in the active material layer, and of course the battery capacity can be improved.
  • lithium batteries are, for example, polyvinyl difluoroethylene (PVDF), polyvinylidene fluoride-co-trichloroethylene (PVDF-HFP), styrene butadiene rubber (styrene- Butadiene; SBR) and other highly flexible adhesives, which are structurally linear and therefore provide a relatively good adhesion in the XY axial direction, but after the heat treatment or compression treatment
  • SBR styrene butadiene rubber
  • the interface between the active material layer and the collector layer to which the above-mentioned adhesive is added may be crystallized after heat treatment or press treatment.
  • the production of the adhesive affects the adhesion of the interface.
  • the adhesion to the active material is reduced, and the electrode layer is prone to cracks after drying, and even active materials are generated.
  • the case where the layer is separated from the collector layer eventually leads to a decrease in electron conductivity, which not only causes deterioration of the electrical efficiency of the battery, but also seriously affects the safety of the battery.
  • an adhesive having a three-dimensional structure such as an epoxy resin (Acrylic Acid) or a polyacrylonitrile (PAN) is used in its entirety, the adhesion effect can be improved, but the polymer itself is used.
  • the three-dimensional structure causes a problem of excessive rigidity and insufficient flexibility, and it is difficult to achieve the requirement of battery bending.
  • the present invention has been made in view of the above-described deficiencies of the prior art, and has proposed a flexible battery to effectively overcome the above problems.
  • the main object of the present invention is to provide a flexible battery which utilizes a polymer of an amide group, an imido group and a carbonyl group to provide a high molecular bonding force and improve the relationship between the electrochemical reaction structure and the collector layer.
  • the weaker molecular bonding can avoid the collapse or separation of the electrochemical reaction structure and the collector layer after the flexible battery is bent, and ensure that the electronic conductivity of the flexible battery can be maintained after bending. status.
  • Another main object of the present invention is to provide a flexible battery which discloses a contact surface of an electrochemical reaction structure and a package structure, which must contain a certain amount at the interface end of the electrochemical reaction structure.
  • a polymer, and the first polymer accounts for 0.02 wt.% to 170 wt.% by weight of the polymer system.
  • Another object of the present invention is to provide a flexible battery which utilizes a collector layer as a part of a package structure to bond the entire package structure and the electrochemical reaction structure into a single structure, so that the package is packaged. Between the structure and the interface of the electrochemical reaction structure, the direct physical bonding method replaces the general physical fixing method, so that the formed flexible battery can increase the degree of bending and the number of times.
  • An object of the present invention is to provide a flexible battery which is formed by adding a polymer containing an amide group, an imide group and a carbonyl group to reduce linear polymer distribution after a thermal process or a hot press process. Highly crystalline.
  • An object of the present invention is to provide a flexible battery by adding a polymer containing an amide group, an imide group and a carbonyl group to improve the heat resistance of the entire flexible battery, and to make the flexible battery perform heat.
  • the heat treatment temperature that can be withstood during the process or hot pressing process can be greater than 180 °C.
  • the present invention provides a flexible battery comprising a package structure and an electrochemical reaction structure directly adhered to the package structure, the electrochemical reaction structure and at least two inner surfaces of the package structure
  • the first polymer has an amide group, an imine group and a carbonyl group, and the first polymer accounts for 0.02 wt.% to 170 wt.% by weight of the polymer system. Therefore, compared with the conventional polymer system based on a linear polymer, the electrochemical reaction structure and the package structure disclosed in the present invention can have better adhesion, so that the battery is less likely to cause the structures to be mutually bent after being bent. Separation between them to improve the structural stability and safety of the battery.
  • these inner surfaces collect electricity from the electrochemical reaction structure.
  • the package structure comprises:
  • a plastic frame disposed along a circumference of the at least one current collecting substrate in a front projection direction, and the plastic frame is simultaneously bonded to the two current collecting substrates, so that the plastic frame is sandwiched between the two current collecting substrates And bonding the two current collecting substrates to each other, and the plastic frame and the two current collecting substrates enclose the enclosed space.
  • top and bottom of the enclosed space are two of the inner surfaces, and the side periphery of the enclosed space is a part of the plastic frame.
  • the electrochemical reaction structure is directly or indirectly connected to the plastic frame.
  • the plastic frame is a closed continuous structure or a discontinuous structure without a break.
  • the electrochemical reaction structure is directly formed on the two inner surfaces of the package structure.
  • the first polymer is aged by a thermal process to adhere the electrochemical reaction structure to the package structure.
  • the heating temperature of the thermal process is between 150 and 250 ° C, and the preferred heating temperature is between 180 and 220 ° C.
  • the electrochemical reaction structure and the two inner surfaces of the package structure are further subjected to a pressing process to adhere the electrochemical reaction structure to the package structure.
  • the pressure value of the pressing process is between 40 and 120 kilograms (kgf), and the preferred pressure value is between 65 and 110 kilograms (kgf).
  • the polymer system further comprises a linear polymer
  • the material of the linear polymer is selected from the group consisting of polydifluoroethylene, polyvinylidene fluoride-co-trichloroethylene, polytetrafluoroethylene, acrylic resin, epoxy resin Polyethylene oxide, polyacrylonitrile, sodium carboxymethylcellulose, styrene butadiene rubber, polymethyl acrylate, polyacrylamide, polyvinylpyrrolidone and combinations thereof.
  • the first polymer is not a linear polymer.
  • the first polymer is selected from the group consisting of a branched polymer and a derivative thereof, a crosslinked polymer and a derivative thereof, a network polymer and a derivative thereof, a ladder polymer and a derivative thereof, and the above combination.
  • the material of the first polymer is a network polymer selected from the group consisting of an epoxy resin, an acrylic resin, a polyacrylonitrile, and the above combination.
  • the first polymer is a ladder polymer of polyimide and a derivative thereof.
  • the first polymer is polyimide and a derivative thereof, and comprises a thermosetting polyimide, a thermoplastic polyimide or a mixture of the above materials.
  • the electrochemical reaction structure further comprises another second polymer, wherein the second polymer accounts for 0.02 wt.% to 170 wt.% by weight of the polymer system.
  • the second polymer is not a linear polymer.
  • the second polymer is selected from the group consisting of a branched polymer and a derivative thereof, and a cross-linking high score
  • the material of the second polymer is a network polymer selected from the group consisting of an epoxy resin, an acrylic resin, a polyacrylonitrile, and the above combination.
  • the second polymer is a ladder polymer of polyimide and a derivative thereof.
  • the second polymer is polyimide and a derivative thereof, and comprises a thermosetting polyimide, a thermoplastic polyimide or a mixture of the above materials.
  • the flexible battery is a liquid battery, a colloidal battery, a solid battery, a liquid/colloidal hybrid battery, a liquid/solid hybrid battery or a colloidal/solid hybrid battery.
  • the flexible battery is a flexible lithium battery, a flexible lithium ion battery, a flexible lithium polymer battery, a flexible lithium metal battery, a flexible lithium ceramic battery or a flexible lithium metal ceramic battery.
  • FIG. 1 is a schematic view showing the structure of an embodiment of a flexible battery of the present invention.
  • the flexible battery 1 includes an electrochemical reaction structure 4 and a package structure 2, and the package structure 2 is a sealed structure, which may be in the form of a bag, a box or any container, and the package structure 2 includes two The current collecting substrates 221 and 222 and the plastic frame 24 are disposed corresponding to each other, and the plastic frame 24 is disposed along the circumference of at least one of the current collecting substrates 221 or 222 in the front projection direction, and simultaneously Bonding directly or indirectly to the two current collecting substrates 221 and 222, the plastic frame 24 is sandwiched between the two current collecting substrates 221 and 222, and the two current collecting substrates 221 and 222 are bonded to each other, according to the above.
  • the inside of the package structure 2 has two inner surfaces S up , S down and a seal.
  • the surrounding space S, wherein the top and bottom of the enclosed space S are the above two inner surfaces S up and S down , and the side periphery S side of the enclosed space S is a partial plastic frame 24, which may be, for example, a plastic frame 24 The inner edge surface.
  • the inner surfaces S up and S down of the package structure 2 are a part of the surfaces of the collector substrates 221 and 222, and the functions thereof are used for collecting the electrochemical reaction structure 4 . Since the plastic frame 24 must be able to completely seal the side periphery S side of the package structure 2, the frame 24 is a continuous structure or a discontinuous structure without a break.
  • the electrochemical reaction structure 4 has a polymer system including a first polymer, including the first polymer at the interface between the electrochemical reaction structure 4 and the package structure 2, for example, when electricity
  • the first polymer is blended in the active material to form the active material layers 421, 422, for example, a positive electrode active material layer or A negative active material layer.
  • the first polymer may also be blended therein as one of the adhesives in the electrically insulating layer 44, and the electrical insulation described herein.
  • Layer 44 is, for example but not limited to, a ceramic barrier layer, a polymeric barrier layer, a nonwoven fabric barrier layer, or a combination of the above.
  • the material of the frame is recommended to have a material that is opposite or repulsive to the polarity of the electrolyte, such as silicone, acrylic or epoxy.
  • the colloidal material can thereby repel the electrolyte by the characteristics of the material of the plastic frame during the injection of the electrolyte, and avoid the problem that the adhesiveness of the rubber frame is deteriorated due to the contamination of the electrolyte.
  • the invention can also be divided into applications in liquid battery systems, colloidal battery systems, and solid state battery systems, for example, for liquid battery systems and colloidal battery systems.
  • the first polymer is mainly used in an electrical insulating layer as an adhesive, and for a colloidal battery system and a solid battery system, the first polymer in the polymer system can be applied to an electrical insulating layer.
  • the more important applications are electrolytes in colloidal battery systems and solid-state battery systems, through the addition of the first polymer to increase ions in the electrolyte The speed of the movement, which in turn increases the ionic conductivity of the colloidal electrolyte and the solid electrolyte.
  • each of the electrochemical reaction structures can be formulated in the same ratio or in different proportions to the other polymer to achieve the best effect, but most importantly, the structure shown in FIG. 1 is in contact with the package structure 2.
  • the interface end of the electrochemical reaction structure 4 must contain a certain amount of the first polymer.
  • the first polymer disclosed in the present invention has an amide group, an imido group and a carbonyl group, and the first polymer accounts for 0.02 wt.% to 170 wt.% of the polymer system, compared with the linear polymer.
  • the first polymer is not classified as a linear polymer.
  • the first polymer is more similar to a branched polymer, a crosslinked polymer, a network polymer, a ladder polymer or a derivative of the above polymer.
  • the amide group, the imine group and the carbonyl group of the first polymer can cause molecular bonding between the electrochemical reaction structure and the package structure. The force is increased.
  • the polymer system of the electrochemical reaction structure layer may include, in addition to the existing linear polymer, for example, but not limited to, polyvinylidene fluoride (PVDF), and also includes an amide group.
  • the first polymer of the imido group and the carbonyl group may be, for example, but not limited to, a ladder polymer.
  • polyimide (PI) is exemplified. Therefore, please continue to refer to FIG.
  • the collector substrates 221 and 222 are metal substrates
  • the metal may be, for example but not limited to, copper, aluminum, nickel, stainless steel, etc., on the bonding interface (internal surface S up , S down ) of the electrochemical reaction structure 4 and the collector substrates 221, 222 (for example, copper foil, aluminum foil)
  • the fluorine atom of the linear polymer for example, PVDF
  • the nitrogen atom, the amide bond, and the sub-polymer of the ladder-like polymer are simultaneously formed by the presence of the first polymer.
  • the above polyimide (PI) or a derivative thereof includes a thermosetting polyimide, a thermoplastic polyimide, or a mixture of the above materials.
  • the linear polymer is characterized by being composed of a linear polymer having a certain degree of softness. Therefore, the material of the linear polymer may be selected from polytetrafluoroethylene (Polylidene fluoride; PVDF), PVDF-HFP, Polytetrafluoroethene (PTFE), Acrylic Acid Glue, Epoxy, Polyethylene oxide (PEO), polyacrylonitrile (PAN), carboxymethyl cellulose (CMC), styrene-butadiene (SBR), polymethylacrylate Polyacrylamide, polyvinylpyrrolidone (PVP) and combinations thereof.
  • PVDF Polyvinylidene fluoride
  • PVDF-HFP Polytetrafluoroethene
  • PTFE Polytetrafluoroethene
  • Acrylic Acid Glue Epoxy, Polyethylene oxide (PEO), polyacrylonitrile (PAN), carboxymethyl cellulose (CMC), styrene-butadiene (SBR), polymethylacryl
  • the first polymer is exemplified by a ladder polymer
  • the reference polymer material is selected from the group consisting of Epoxy, Acrylic Acid, polyacrylonitrile (PAN) and combinations thereof.
  • the adhesion of the electrochemical reaction structure 4 to the package structure 2 is improved.
  • the flexible battery 1 disclosed in the present invention directly bonds the electrochemical reaction structure 4 to the package structure 2, in other words, the connection relationship between the electrochemical reaction structure 4 and the package structure 2 is Chemical bonding, and the current collecting substrates 221 and 222 are a part of the package structure 2, compared with a conventional battery (not shown), the existing electrochemical reaction structure is also bonded to the current collecting substrate.
  • the encapsulating material is not integrated into the single structure of the current collecting substrate.
  • connection relationship between the electrochemical reaction structure and the encapsulating material bonded to the current collecting substrate is evacuated to achieve a fixed overall flexible battery structure.
  • the purpose is obvious, because the structure of the flexible battery is only fixed in a vacuum manner in the existing flexible battery structure, if the package state is not good, the bending angle is too large, the number of bending times is excessive, etc. Under the influence of the element, it is easy to damage the vacuum state of the packaging material, affecting the electrical performance and safety requirements of the battery, and at the same time, the appearance of the battery may also cause obvious wrinkles and damage, and the flexible battery disclosed in the present invention is observed. 1.
  • the bonding method replaces the physical connection by chemical bonding, and is compared with a polymer system containing a linear polymer alone.
  • a polymer system blended with a linear polymer, a branched polymer, a crosslinked polymer, a network polymer or a ladder polymer can provide a stronger chemical molecular bonding force, so that the electrochemical reaction structure 4 and The bonding effect of the package structure 2 is greatly improved.
  • the adhesion between the electrochemical reaction structure and the package structure disclosed in the present invention can pass the electrochemical reaction structure directly to the package structure, and the electrochemical reaction structure can also pass the thermal process.
  • the pressing process or the hot pressing process is bonded to the package structure, but the chemical reaction structure is required to chemically bond the polymer system in the electrochemical reaction structure to the inner surface of the package structure regardless of the bonding mode.
  • Both the body and the package structure must undergo a thermal process, a press process or a hot press process to enable the polymer material of the polymer system to be matured, and compared with the existing polymer system, the existing polymer system mainly
  • the linear polymer is dominant, so the curing temperature is usually low (usually 120 to 1150 ° C), but since the polymer system of the present invention includes a nonlinear polymer, the heating temperature of the thermal process can be raised to 150 ° C, and The preferred heating temperature is between 180 and 1220 ° C; in addition, in addition to curing the polymer system by a thermal process, a pressing process can be performed, wherein the pressure of the pressing process
  • the value can be between 40 and 1120 kgf (kgf), and the preferred pressure is between 65 and 1110 kgf (kgf); of course, depending on the material properties, the thermal and compression processes described above can be integrated into For a single hot pressing process, the temperature and pressure conditions are still the same as above.
  • the second polymer is included in the electrochemical reaction structure, and the weight percentage of the second polymer in the polymer system of the electrochemical reaction structure is between 0.02 wt.% and 170 wt.%.
  • the second polymer is not a linear polymer, but is mainly a branched polymer, a crosslinked polymer, a network polymer, a ladder polymer, a derivative of the above polymer or the above.
  • the material of the second polymer is selected from the group consisting of epoxy resin (Epoxy), acrylic resin (Acrylic Acid), polyacrylonitrile (PAN), and combinations thereof, or is selected from the group consisting of A ladder polymer of polyimide (PI) and a derivative thereof, wherein polyimide (PI) and derivatives thereof may be thermosetting polyimide, thermoplastic polyimide or the like the mix of.
  • the first polymer and the second polymer are not linear polymers, but according to different electrochemical systems (for example, the type of active material, the isolation system, etc., the first polymer and the second polymer in the polymer system may be the same polymer material, but the first polymer and the second polymer account for the weight of the polymer system. The percentages are not necessarily the same. Of course, the first polymer and the second polymer may also be different polymer materials, and the weight percentage of the two is not limited. Further, the conditions of the thermal process and the press-bonding process of the second polymer are also the same as those of the first polymer described above.
  • all the structures, all materials and all processes disclosed in the present invention are applicable to various battery systems, for example, liquid batteries, colloidal batteries, solid batteries, liquid/colloidal hybrid batteries, liquid/solid hybrid batteries. Or a colloidal/solid-state hybrid battery, or a so-called flexible lithium battery, a flexible lithium ion battery, a flexible lithium polymer battery, a flexible lithium metal battery, a flexible lithium ceramic battery, or a flexible lithium cermet battery.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Composite Materials (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
PCT/CN2018/100845 2017-09-29 2018-08-16 可挠电池 WO2019062372A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE212018000337.8U DE212018000337U1 (de) 2017-09-29 2018-08-16 Flexible Batterie
JP2020600052U JP3228671U (ja) 2017-09-29 2018-08-16 フレキシブル電池
AU2020100433A AU2020100433A4 (en) 2017-09-29 2020-03-20 Flexible Battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710906801.8A CN109585704A (zh) 2017-09-29 2017-09-29 可挠电池
CN201710906801.8 2017-09-29

Related Child Applications (1)

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AU2020100433A Division AU2020100433A4 (en) 2017-09-29 2020-03-20 Flexible Battery

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WO2019062372A1 true WO2019062372A1 (zh) 2019-04-04

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JP (1) JP3228671U (ja)
CN (1) CN109585704A (ja)
DE (1) DE212018000337U1 (ja)
WO (1) WO2019062372A1 (ja)

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CN113178662A (zh) * 2021-04-28 2021-07-27 合达信科技集团有限公司 一种用于电动物流车的安全锂动力电池及制作工艺

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CN102473916A (zh) * 2009-07-03 2012-05-23 大金工业株式会社 锂二次电池的电极合剂用浆料、使用了该浆料的电极和锂二次电池
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WO2021108121A1 (en) * 2019-11-25 2021-06-03 Xerion Advanced Battery Corp. Self-packaged battery

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