WO2013183866A1 - 적층 박막 전지 - Google Patents
적층 박막 전지 Download PDFInfo
- Publication number
- WO2013183866A1 WO2013183866A1 PCT/KR2013/004258 KR2013004258W WO2013183866A1 WO 2013183866 A1 WO2013183866 A1 WO 2013183866A1 KR 2013004258 W KR2013004258 W KR 2013004258W WO 2013183866 A1 WO2013183866 A1 WO 2013183866A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thin film
- film battery
- current collector
- positive electrode
- electrode current
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 230
- 230000004888 barrier function Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229920003182 Surlyn® Polymers 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- -1 Polypropylene Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 238000003475 lamination Methods 0.000 abstract description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910012305 LiPON Inorganic materials 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004347 surface barrier Methods 0.000 description 1
Images
Classifications
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
-
- 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
Definitions
- the present invention relates to a thin film battery, and more particularly, to a high capacity, an external terminal can be easily implemented, and a laminated thin film battery which can omit a separate surface barrier after lamination.
- a thin film battery is a battery made thin by thinning the components of a basic battery.
- the thickness of several microns ( ⁇ m) on a thin substrate is deposited through a deposition method such as chemical vapor deposition (CVD) and physical vapor deposition (PVD). Is manufactured.
- CVD chemical vapor deposition
- PVD physical vapor deposition
- Thin film battery has many advantages such as low explosion risk by using solid electrolyte like LiPON, excellent stability at high temperature, low self-discharge rate, and excellent life characteristics.
- Korean Unexamined Patent Publication No. 10-2009-0113106 discloses a high capacity thin film battery module in which unit thin film batteries are stacked.
- the first thin film battery and the second thin film battery are formed such that the first surface (current collector forming surface) of the first thin film battery and the second surface (lower substrate surface) of the second thin film battery face each other. Are stacked.
- An object of the present invention is to provide a laminated thin film battery that can exhibit a high capacity, and can also omit the formation of a thick barrier after lamination and can easily implement external terminals.
- the first thin film battery and the second thin film battery each of which has a positive current collector and a negative current collector formed on a first surface thereof, face each other. Stacked in the shape of a view, the positive current collectors of the first thin film battery and the second thin film battery are electrically connected to the positive electrode terminal, and the negative current collectors of the first thin film battery and the second thin film battery are connected to the negative electrode terminal. It is characterized by being electrically connected.
- a sealing layer is formed between the first thin film battery and the second thin film battery.
- the positive electrode terminal and the negative electrode terminal may be electrically connected to the positive electrode current collector and the negative electrode current collector of the first thin film battery or the second thin film battery with a conductive tape, a metal paste, and a conductive adhesive.
- the positive electrode terminal and the negative electrode terminal may be electrically connected to the positive electrode current collector and the negative electrode current collector of the first thin film battery or the second thin film battery by a thermal bonding method or an ultrasonic bonding method.
- the positive electrode terminal and the negative electrode terminal is fixed to the positive electrode current collector and the negative electrode current collector of the first thin film battery or the second thin film battery with a tape, an adhesive or a paste, the first thin film battery or the first by a wire bonding method It may be electrically connected to the positive electrode current collector and the negative electrode current collector of the two thin film battery.
- a cathode current collector is formed on the first side of the first surface, a cathode current collector is formed on the second side, and the second thin film battery is formed on the second side of the first surface.
- a positive current collector may be formed, and a negative current collector may be formed on the first side.
- a cathode current collector is formed on the first side of the first surface
- a cathode current collector is formed on the second side
- the second thin film battery is formed on the first side of the first surface.
- a positive current collector is formed
- a negative current collector is formed on the second side
- each positive current collector is electrically connected to the positive terminal
- each negative current collector is electrically connected to the negative terminal.
- the double-side conductive structure having an insulating portion for separating the positive electrode current collector and the negative electrode current collector may be disposed between the first thin film battery and the second thin film battery.
- the second thin film battery may be stacked with the first thin film battery rotated 180 ° in the horizontal direction.
- the second thin film battery may be stacked with the first thin film battery by being rotated 360 ° in a horizontal direction, and wiring portions having a shape intersecting with each other may be provided in the double-side current-carrying structure.
- the first thin film battery and the second thin film battery may include a positive electrode current collector and a negative electrode current collector formed on a substrate, a positive electrode formed on the positive electrode current collector, and a negative electrode formed on the negative electrode current collector; It may include an electrolyte formed between the positive electrode and the negative electrode.
- the first thin film battery and the second thin film battery may further include a barrier covering a remaining portion except for a portion of the cathode current collector and the cathode current collector.
- the first thin film battery and the second thin film battery can be connected in parallel through battery stacking, thereby exhibiting high capacity.
- the laminated thin film battery according to the present invention has a structure in which the first thin film battery and the second thin film battery are stacked in a form in which the surfaces on which the current collectors are formed face each other, so that a separate thick barrier does not have to be formed after the lamination.
- the multilayer thin film battery according to the present invention forms a surface in which a current collector is formed to face each other, an external terminal may be easily implemented between the first thin film battery and the second thin film battery.
- Figure 1 shows an example of a thin film battery that can be applied to the present invention.
- FIGS. 2 and 3 illustrate a laminated thin film battery according to a first embodiment of the present invention.
- FIG. 4 and 5 illustrate a laminated thin film battery according to a second embodiment of the present invention.
- FIG. 6 and 7 illustrate a laminated thin film battery according to a third embodiment of the present invention.
- Figure 8 schematically shows a double-sided energizing structure that can be applied to the third embodiment of the present invention.
- Figure 1 shows an example of a thin film battery that can be applied to the present invention.
- a thin film battery includes a cathode current collector (CCC) 120, an anode 130, and an anode current collector (ACC) 140 on a substrate 110.
- the electrolyte 150 and the negative electrode 160 each have a structure in which a thin film is sequentially stacked.
- Such a thin film battery has all elements formed of a solid thin film, and is manufactured to have a very thin thickness of several micrometers to several tens of micrometers except for the substrate 110.
- the thin film battery used in the present invention is not limited to this type and may have various shapes.
- the thin film battery is not large in itself, two or more thin film batteries can be electrically connected to exhibit high capacity, and structurally, two or more thin film batteries are required to be stacked. Do.
- two thin film batteries are stacked, but unlike the related art, a thin film battery having a structure in which a current collector is formed facing each other is provided.
- FIGS. 2 and 3 illustrate a laminated thin film battery according to a first embodiment of the present invention.
- the laminated thin film battery according to the present invention basically includes a first thin film battery 210a, a second thin film battery 210b, a negative electrode terminal 220a, and a positive electrode terminal 220b. .
- positive current collectors 211 and 213 and negative current collectors 212 and 214 are formed on a first surface thereof.
- the first thin film battery 210a and the second thin film battery 210b are stacked in such a manner that their first surfaces face each other.
- the positive electrode current collectors 211 and 213 of the first thin film battery 210a and the second thin film battery 210b are electrically connected to the positive electrode terminal 220b in common
- the first thin film battery 210a Cathode current collectors 212 and 214 of the second thin film battery 210b are electrically connected to the negative electrode terminal 220a in common.
- the stacked structure in which the first surfaces of the first thin film battery 210a and the second thin film battery 210b face each other is the first thin film because the first surfaces of the thin film battery vulnerable to moisture immersion face each other.
- the second surface of the battery 210a is not exposed upward or the second surface of the second thin film battery 210b is not exposed downward. That is, in the laminated structure of the thin film battery applied to the present invention, the second surface corresponding to the back surface of the substrate, which is relatively resistant to moisture penetration, is exposed to the upper part or the lower part. Therefore, in order to prevent moisture from penetrating through the thin film battery surface after lamination, a process of forming a separate barrier having a thickness of about several tens of micrometers may be omitted on the first surface of the top thin film battery.
- the stacked structure in which the first surfaces of the first thin film battery 210a and the second thin film battery 210b face each other may include the negative electrode terminal 220a and the positive electrode terminal 220b connected to the outside. And 210b), the external terminal can be easily formed.
- a sealing layer 230 of FIG. 3 may be further formed between the first surface of the first thin film battery and the first surface of the second thin film battery.
- the sealing layer 230 may be formed on the front surface or a portion between the first surface of the first thin film battery and the first surface of the second thin film battery, and may be formed at an edge as shown in FIG. 3.
- the sealing layer 230 may be formed of epoxy, CPP (Casted Polypropylene), Surlyn, glass, or the like.
- epoxy it may be formed by a heat curing method, an ultraviolet curing method, and the like, and CPP, serine, glass, or the like may be formed by a heat fusion method.
- the negative electrode terminal 220a and the positive electrode terminal 220b may be fixed to the first thin film battery 210a or the second thin film battery 210a by using a conductive tape, metal paste, heat, ultrasonic waves, wire, or the like.
- the positive electrode current collector 213 adhered to the positive electrode current collector 211 and the negative electrode current collector 212 on the first surface of the first thin film battery 210a or on the first surface of the second thin film battery 210b.
- a cathode current collector 214 a cathode current collector 214.
- the cathode terminal 220a and the anode terminal 220b are cathode current collectors 211 and 213 of the first thin film battery 210a or the second thin film battery 210b using a conductive tape, a metal paste, or a conductive adhesive. And fixed to the cathode current collectors 212 and 214 and electrically connected thereto.
- the cathode terminal 220a and the anode terminal 220b may be the cathode current collectors 211 and 213 and the cathode of the first thin film battery 210a or the second thin film battery 210b also by a thermal bonding method or an ultrasonic bonding method.
- the current collectors 212 and 214 may be electrically connected to each other while being fixed.
- the cathode terminal 220a and the anode terminal 220b may be a cathode current collector 211 and 213 and a cathode current collector of the first thin film battery 210a or the second thin film battery 210b by wire bonding. 212, 214 may be electrically connected.
- 213 and the cathode current collectors 212 and 214 are preferably fixed to the cathode terminal 220a and the anode terminal 220b.
- the first thin film battery 210a and the second thin film battery 210b are inverted.
- a cathode current collector 211 is formed on a first side of the first surface, and a cathode current collector (2) is spaced apart from the second side. 212) is formed.
- the cathode current collector 213 is formed on the second side of the first surface, and the cathode current collector 214 is formed on the first side.
- FIG. 4 and 5 illustrate a laminated thin film battery according to a second embodiment of the present invention.
- the first surface on which the positive electrode current collector 414 and the negative electrode current collector 413 are formed are stacked to face each other.
- the positive electrode current collector 412 of the first thin film battery 410a and the positive electrode current collector 414 of the second thin film battery 410b are commonly connected to the positive electrode terminal 421a, and the first thin film battery 410a.
- the first thin film battery and the second thin film battery have the same shape instead of the inverted shape.
- the positive electrode current collector 412 is formed on the first side of the first surface
- the negative electrode current collector 411 is formed on the second side spaced apart from the first thin film battery 410a.
- a cathode current collector 414 is formed on the first side of the first surface
- a cathode current collector 413 is formed on the second side.
- the double-sided conductive structure 420 has respective negative current collectors 411 and 413 electrically connected to the negative terminal 421a, and each positive current collector 412 and 414 is connected to the positive terminal 421b. It is electrically connected, and has an insulating portion 425 for electrically separating the cathode current collectors 411 and 413 and the anode current collectors 412 and 414.
- the double-sided conductive structure 420 may be disposed between the first thin film battery 410a and the second thin film battery 410b.
- the first thin film battery 410 a is stacked in a horizontally rotated direction by 180 ° with respect to the second thin film battery 410 b.
- each of the positive electrode current collectors 412 and 414 may be located at one side, and each of the negative electrode current collectors 411 and 413 may be located at the other side. Can be simplified.
- the positive electrode terminal 421a and the negative electrode terminal 421b may be integrally formed on the double-sided electricity supply structure 420.
- the terminals 421a and 421b may be adhered to the double-side conductive structure 420 with a metal paste or a conductive tape.
- these terminals 421a and 421b may be formed of a metal paste, a conductive tape, or the like for the positive current collector 412 or 414 and the negative current collector 411 of the first thin film battery 410a or the second thin film battery 410b.
- the double-side conductive structure 420 may be electrically connected to the terminals 421a and 421b.
- FIG. 6 and 7 illustrate a laminated thin film battery according to a third embodiment of the present invention.
- the first surface on which the positive electrode current collector 613 and the negative electrode current collector 614 are formed are stacked to face each other.
- the positive electrode current collector 611 of the first thin film battery 610a and the positive electrode current collector 613 of the second thin film battery 610b are commonly connected to the positive electrode terminal 621b, and the first thin film battery 610a. ) Is connected to the negative electrode terminal 621a in common with the negative electrode current collector 612 and the negative electrode current collector 614 of the second thin film battery 610b.
- first thin film battery and the second thin film battery are not formed to be opposite to each other, but are formed in the same shape.
- the first thin film battery 610a is stacked with the second thin film battery 610b rotated by 0 ° or 360 ° in the horizontal direction.
- the anode current collector 611 of the first thin film battery 610a and the cathode current collector 614 of the second thin film battery 610b face each other, and the cathode current collector of the first thin film battery 610a is facing each other.
- the whole 612 and the positive electrode current collector 613 of the second thin film battery 610b face each other.
- Figure 8 schematically shows a double-sided energizing structure that can be applied to the third embodiment of the present invention.
- wiring portions 810a and 810b intersecting with each other are provided inside the double-side conductive structure, and the remaining portion is an insulating portion 820. It can be formed into).
- the positive electrode terminal 621b and the negative electrode terminal 621a are integrally formed on the double-sided electricity conducting structure 620, like the multilayer thin film battery illustrated in FIGS. 4 and 5. It may be bonded to the double-sided conductive structure 620, or may be bonded to the positive electrode current collector (611 or 613) and the negative electrode current collector (612 or 614) of the first thin film battery (610a) or the second thin film battery (610b). have.
- the first thin film battery and the second thin film battery as shown in Figure 1, the positive electrode current collector 120 and the negative electrode current collector 140 formed on the substrate 110, and the positive electrode current collector ( A cathode 130 formed on the anode 130 and the cathode current collector 140, and an electrolyte 150 formed between the anode 130 and the cathode 160. .
- the substrate 110 may be formed of metal, glass, mica, polymer, or the like.
- first thin film battery and the second thin film battery cover the remaining portions except for a part of the positive electrode current collector 120 and the negative electrode current collector 140, and the negative electrode 160 of each thin film battery reacts.
- a barrier 170 for preventing moisture from penetrating into each of the thin film cells and preventing the negative electrode of the first thin film battery and the negative electrode of the second thin film battery from contacting each other. can do.
- the barrier 170 may be formed in a film form or a thin film form.
- the thickness of the barrier 170 is not particularly limited, but it is more preferable to form a minimum thickness capable of suppressing the reaction of the cathode, and the thickness of the barrier 170 is preferably about 1 to 10 ⁇ m. This corresponds to a significantly thinner thickness than a barrier of several tens of micrometers or more formed on a conventional thin film battery.
- the multilayer thin film battery according to the present invention has a structure in which the first thin film battery and the second thin film battery are stacked in a form in which the first surfaces on which the positive electrode current collector and the negative electrode current collector are formed face each other. It is not necessary to form a separate thick barrier after lamination.
- the multilayer thin film battery according to the present invention forms a surface in which a current collector is formed to face each other, an external terminal may be easily implemented between the first thin film battery and the second thin film battery.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (12)
- 제1면에 양극전류집전체 및 음극전류집전체가 형성된 제1박막전지 및 제2박막전지가 각각의 제1면이 서로 마주보는 형태로 적층되어 있으며,상기 제1박막전지와 제2박막전지의 양극전류집전체들이 양극단자에 전기적으로 접속되고, 상기 제1박막전지와 제2박막전지의 음극전류집전체들이 음극단자에 전기적으로 접속되어 있는 것을 특징으로 하는 적층 박막 전지.
- 제1항에 있어서,상기 제1박막전지의 제1면 및 제2박막전지의 제1면 사이에 실링층이 형성되어 있는 것을 특징으로 하는 적층 박막 전지.
- 제2항에 있어서,상기 실링층은에폭시, CPP(Casted Polypropylene), 서린(surlyn) 및 글래스 중에서 선택되는 재질로 형성되는 것을 특징으로 하는 적층 박막 전지.
- 제1항에 있어서,상기 양극단자 및 음극단자는전도성 테이프, 금속 페이스트, 전도성 접착제로 상기 제1박막전지 또는 제2박막전지의 양극전류집전체 및 음극전류집전체에 고정되면서 전기적으로 연결되거나,열 접합 방식 또는 초음파 접합 방식으로 상기 제1박막전지 또는 제2박막전지의 양극전류집전체 및 음극전류집전체에 고정되면서 전기적으로 연결되거나,테이프, 접착제 또는 페이스트로 상기 제1박막전지 또는 제2박막전지의 양극전류집전체 및 음극전류집전체에 고정되고, 와이어 본딩 방식에 의해 상기 제1박막전지 또는 제2박막전지의 양극전류집전체 및 음극전류집전체에 전기적으로 연결되는 것을 특징으로 하는 적층 박막 전지.
- 제1항에 있어서,상기 제1박막전지는 제1면의 제1측에 양극전류집전체가 형성되고, 제2측에 음극전류집전체가 형성되며,상기 제2박막전지는 제1면의 제2측에 양극전류집전체가 형성되고, 제1측에 음극전류집전체가 형성되는 것을 특징으로 하는 적층 박막 전지.
- 제1항에 있어서,상기 제1박막전지는 제1면의 제1측에 양극전류집전체가 형성되고, 제2측에 음극전류집전체가 형성되며,상기 제2박막전지는 제1면의 제1측에 양극전류집전체가 형성되고, 제2측에 음극전류집전체가 형성되며,각각의 양극전류집전체들이 상기 양극 단자에 전기적으로 접속되고, 각각의 음극전류집전체들이 상기 음극 단자에 전기적으로 접속되며, 상기 양극전류집전체와 음극전류집전체를 분리하기 위한 절연부를 갖는 양면 통전 구조물이 상기 제1박막전지와 제2박막전지 사이에 배치되는 것을 특징으로 하는 적층 박막 전지.
- 제6항에 있어서,상기 제1박막전지가 상기 제2박막전지에 대하여, 수평 방향으로 180° 회전한 형태로 적층되는 것을 특징으로 하는 적층 박막 전지.
- 제6항에 있어서,상기 제1박막전지가 상기 제2박막전지에 대하여, 수평 방향으로 360° 회전한 형태로 적층되고,상기 양면 통전 구조물 내부에는 서로 교차하는 형태의 배선부가 구비되는 것을 특징으로 하는 적층 박막 전지.
- 제1항에 있어서,상기 제1박막전지와 제2박막전지는기판 상에 형성된 양극전류집전체 및 음극전류집전체와,상기 양극전류집전체 상에 형성되는 양극 및 상기 음극전류집전체 상에 형성되는 음극과,상기 양극 및 음극 사이에 형성되는 전해질을 포함하는 것을 특징으로 하는 적층 박막 전지.
- 제9항에 있어서,상기 제1박막전지와 제2박막전지는상기 양극전류집전체 및 음극전류집전체의 일부를 제외하고, 나머지 부분을 덮는 배리어(barrier)를 더 포함하는 것을 특징으로 하는 적층 박막전지.
- 제10항에 있어서,상기 배리어는필름 형태 또는 박막 형태로 형성되는 것을 특징으로 하는 적층 박막전지.
- 제9항에 있어서,상기 기판은금속, 글래스, 운모(mica) 및 고분자 중에서 선택되는 재질로 형성되는 것을 특징으로 하는 적층 박막 전지.
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JP2015515933A JP6083075B2 (ja) | 2012-06-08 | 2013-05-14 | 積層薄膜電池 |
CN201380030221.7A CN104350632B (zh) | 2012-06-08 | 2013-05-14 | 层叠薄膜电池 |
US14/406,144 US9634334B2 (en) | 2012-06-08 | 2013-05-14 | Laminated thin film battery |
EP13800027.8A EP2860793B1 (en) | 2012-06-08 | 2013-05-14 | Laminated thin film battery |
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KR10-2012-0061452 | 2012-06-08 | ||
KR1020120061452A KR101383804B1 (ko) | 2012-06-08 | 2012-06-08 | 적층 박막 전지 |
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US (1) | US9634334B2 (ko) |
EP (1) | EP2860793B1 (ko) |
JP (1) | JP6083075B2 (ko) |
KR (1) | KR101383804B1 (ko) |
CN (1) | CN104350632B (ko) |
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US9640834B2 (en) | 2014-07-28 | 2017-05-02 | Electronics And Telecommunications Research Institute | Lithium battery and method of manufacturing the same |
CN106252589A (zh) * | 2015-06-12 | 2016-12-21 | 联想(北京)有限公司 | 一种柔性电池及柔性电池组 |
US10290838B2 (en) * | 2015-09-08 | 2019-05-14 | Stmicroelectronics (Tours) Sas | Methods for encapsulating flexible thin-film micro-batteries to protect against environmental intrusion |
KR102091903B1 (ko) | 2016-07-08 | 2020-05-27 | 주식회사 엘지화학 | 다층 전해질 셀, 다층 전해질 셀을 포함하는 이차 전지 및 이의 제조 방법 |
US11637325B2 (en) | 2017-08-10 | 2023-04-25 | International Business Machines Corporation | Large capacity solid state battery |
KR102417105B1 (ko) | 2018-06-20 | 2022-07-04 | 주식회사 엘지에너지솔루션 | 개선된 전극 탭과 집전체 연결 구조를 갖는 전극 조립체 및 그 제조 방법 |
EP3591729A1 (en) * | 2018-07-03 | 2020-01-08 | Renata AG | A multilayer packaging structure for a thin film battery and a method for manufacturing of such a structure |
US11876167B2 (en) * | 2019-06-12 | 2024-01-16 | Google Llc | Multiple battery configurations for space utilization |
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- 2013-05-14 CN CN201380030221.7A patent/CN104350632B/zh not_active Expired - Fee Related
- 2013-05-14 EP EP13800027.8A patent/EP2860793B1/en not_active Not-in-force
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Publication number | Publication date |
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KR20130137848A (ko) | 2013-12-18 |
KR101383804B1 (ko) | 2014-04-09 |
JP6083075B2 (ja) | 2017-02-22 |
EP2860793B1 (en) | 2018-07-04 |
JP2015524148A (ja) | 2015-08-20 |
EP2860793A4 (en) | 2015-06-03 |
CN104350632B (zh) | 2017-11-28 |
US9634334B2 (en) | 2017-04-25 |
EP2860793A1 (en) | 2015-04-15 |
US20150125731A1 (en) | 2015-05-07 |
CN104350632A (zh) | 2015-02-11 |
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