WO2016012294A1 - Verfahren zur herstellung einer prismatischen batteriezelle - Google Patents
Verfahren zur herstellung einer prismatischen batteriezelle Download PDFInfo
- Publication number
- WO2016012294A1 WO2016012294A1 PCT/EP2015/065962 EP2015065962W WO2016012294A1 WO 2016012294 A1 WO2016012294 A1 WO 2016012294A1 EP 2015065962 W EP2015065962 W EP 2015065962W WO 2016012294 A1 WO2016012294 A1 WO 2016012294A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- winding
- layer
- battery
- blade
- cathode layer
- Prior art date
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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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- 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
- H01M50/449—Separators, membranes or diaphragms 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the invention relates to a method for producing a prismatic
- Battery cell wherein the battery cell has a cathode layer, an anode layer and at least two separator layers.
- the invention also relates to a prismatic battery cell, which is produced by the method, as well as a vehicle in which such a prismatic battery cell is installed.
- Lithium ion batteries which are used in the automotive sector, often have a prismatic shape for reasons of volumetric efficiency.
- a cell housing Inside a cell housing are, for example, flat-pressed battery wraps (jelly rolls), which are rolled out of an anode, a cathode and separator layers. The cell housing is filled after inserting the battery wraps and before the pressure-tight sealing with a liquid electrolyte.
- No. 8,641,015 B2 for example, provides such a prismatic battery cell with four battery wraps arranged therein.
- the cathode and the anode are referred to, for example, as follows:
- the two electrodes are not precisely superimposed, but slightly offset in the direction of the winding axis. This method is described for example in DE 10 2012 213 420 AI.
- the positive voltage of the respective electrode can be picked off on one open narrow side of the battery winding, and on the other, opposite, open narrow side.
- the contacting of the protruding Film strip is made with welded, strip-shaped sheet metal parts made of copper or aluminum, the so-called current collectors.
- the contacting of the current collectors inside the cell housing and the passage of the current paths through the cell housing to the outside is very demanding. After inserting the battery wraps in the cell housing and after closing the cell housing this is filled with a small opening in the lid of the cell housing with electrolyte. As one of the last processes in the production of the battery cell, this opening with a
- Jelly Rolls are known from US 5,552,239 and JP 2009-266737.
- the prismatic battery cell having a cathode layer, an anode layer and at least two separator layers, it is provided that one or two winding blades, the cathode layer, the anode layer and the at least two separator layers are parallel to each other and with respect to a winding axis be arranged spatially parallel to the preparation of a starting arrangement, the starting order about the winding axis for producing a
- the battery winding is inserted into a cell housing, the cathode layer and the anode layer are contacted with pantographs, the cell housing is filled with a liquid electrolyte and the cell housing is sealed.
- Cell housing is used, the cathode layer and the anode layer with Pantographs are contacted and the cell housing is filled with a liquid electrolyte is arbitrary.
- exactly one battery winding is inserted into the cell housing, wherein the battery winding has exactly one cathode layer and exactly one anode layer.
- two winding blades and three
- step a) the cathode layer, the anode layer and the three separator layers perpendicular to the winding axis to a stack of layers are arranged one above the other and above and below the
- Step b) is wound around the two winding blades.
- a winding blade and two separator layers are used, wherein in step a) first the cathode layer and the anode layer and the two separator layers are attached to the winding blade and in step b) is wound around the winding blade. At the beginning of the winding process, the anode and the cathode are welded to welding surfaces with the winding blade. The separators are also attached to the
- Wickelat fixed for example glued, crimped, clamped or welded, in particular by ultrasonic or laser welding.
- the winding blade is preferably formed as a flat plate
- the winding blade is made of plastic, for example, in particular PBT, PP, PE, PET or PEAK.
- the winding sword has on its front and its back welds for contacting the electrodes and
- connection surfaces for contacting the pantograph on For example, in the case of the cathode, the welding surface is an aluminum strip and in the case of the anode is a copper strip.
- the cathode and the anode at the welding surfaces are welded to the winding blade.
- the welding surfaces are, for example, perpendicular or parallel to the winding axis or in the
- the winding axis is parallel to a longer side of the winding blade, so that the starting arrangement is wound around the longer side of the winding blade.
- the cathode layer and the anode layer are fastened in this embodiment via welding surfaces on the winding blade, which extend over the longer side of the winding blade.
- the Contact areas, via which the current collectors are contacted, extend over the shorter side of the winding blade.
- the winding axis is parallel to the shorter side of the winding blade, so that the starter assembly is wound around the shorter side of the winding blade.
- the welding surfaces extend over which the cathode layer and the anode layer on
- Winding sword are fixed over the shorter side of the winding sword. According to a further embodiment, the winding sword
- this greatly shortened pantograph can be used to bridge the way from the terminals to the contact areas electrically.
- the connection surfaces of the winding blade are electrically connected to the welding surfaces to which the electrodes are fixed.
- step c) the battery winding is inserted into the cell housing such that a filling opening and / or a bursting membrane lies in alignment with the winding axis.
- the battery wraps need to be inserted into the cell housing such that a filling opening and / or a bursting membrane lies in alignment with the winding axis.
- Battery cell is a main direction of the resulting dynamics parallel to the winding axis. Thus it is facilitated that at an overpressure the liquid or gases escape at the bursting opening.
- the welding surfaces of the electrodes with the current collectors are preferably arranged parallel to the winding axis, in the embodiment with two winding blades and three separator layers that when inserting the
- a prismatic battery cell which was produced according to one of the described methods, wherein the winding blade remains in the cell housing, in particular in the battery winding.
- the features described in the context of the method apply equally to the prismatic battery cell, which was produced by these methods.
- a motor vehicle is also provided with a battery, wherein the battery has at least one such battery cell.
- the battery is preferably with a drive system of the
- the motor vehicle may be designed as a pure electric vehicle and comprise an exclusively electric drive system.
- the motor vehicle may be equipped as a hybrid vehicle including an electric drive system and an internal combustion engine.
- the battery of the hybrid vehicle can be charged internally via a generator with excess energy of the internal combustion engine.
- Externally rechargeable hybrid vehicles PHEV, plug-in hybrid electric vehicle
- PHEV plug-in hybrid electric vehicle
- Figure 1 is a prismatic battery cell according to the prior
- 2A, 2B, 2C start arrangements and battery wraps according to a
- FIG. 3 shows a battery pack in a perspective view according to an embodiment of the invention
- FIG. 4 shows a cover group in perspective view according to an embodiment of the invention
- Figure 5 shows a battery winding, with a cover group
- FIGS. 9A, 9B show conventional and inventive electrode layers in FIG.
- Figure IIA, IIB a battery winding in a sectional view and lateral
- Figures 12A, 12B conventional and inventive cover groups
- FIG. 1 shows a prismatic battery cell 10 'in a perspective view according to the prior art.
- the prismatic battery cell 10 ' is shown for the sake of clarity without a cell housing and comprises four closely spaced battery wraps 12' and a cover group 46 ', wherein the cover group 46' comprises two terminals 14 ', whereby the prismatic battery cell 10' is electrically contacted from the outside ,
- the cover group 46 is also a filling opening 16 'and a
- the filling opening 16 'and the bursting membrane 18' are located substantially in the center of a closure plate 47 ', whereas the terminals 14' on the end plate 47 'are peripherally located.
- the liquid electrolyte is filled vertically in FIG. 1 via the filling opening 16 'and then passes horizontally into the
- FIG. 2A shows a starting arrangement 22 according to a first embodiment of the invention, wherein the starting arrangement 22 comprises a layer stack 24 and above and below the layer stack 24 two winding blades 26 arranged opposite each other.
- the winding blades 26 are arranged parallel to a winding axis 40, which are exemplary here located in the middle between the winding blades 26.
- the layer stack 24 comprises three separator layers 28, a cathode layer 30 and an anode layer 32, wherein in the illustrated embodiment the order of the layers is defined as separator layer 28, anode layer 32, separator layer 28, cathode layer 30, separator layer 28.
- FIG. 2B shows an alternative embodiment of the starting arrangement 22, wherein the winding blades 26 are offset from each other above and below the
- the winding axis 40 is again here by way of example in the middle between the winding blades 26.
- the separator layers 28, cathode layer 30 and anode layer 32 can be any separator layers 28, cathode layer 30 and anode layer 32.
- endless belts or rolls of the winding blades 26 having winding device can be supplied.
- FIG. 2C shows a battery winding 12 according to the invention, which has arisen after 450 ° rotation when winding about the winding axis 40 from the starting arrangement 22 shown in FIG. 2A.
- the anode layer 32 and the cathode layer 30 are mutually offset longitudinally by an offset 34, for example by cutting on the endless belt, so that in each case a first connection surface 36 at the end of the battery roll 12, in FIG. 2C on the upper and on the lower side for the
- Cathode and a second pad 38 for the anode forms.
- the two winding blades 26 may thereafter be removed or may remain in the battery wrap 12. Preferably, they are removed in this embodiment to reduce the volumetric weight of the prismatic battery cell 10.
- FIG. 3 shows the battery winding 12 which arises from the arrangement shown in FIG. 2C after a step of pressing.
- the battery winding 12 comprises wound layers 62, wherein typically one of the separator layers 28 will be arranged on the outside.
- the battery winding 12 also comprises, on the outside, the first terminal area 36 of the cathode and the second terminal area 38 of the anode for making contact with current collectors 42, 44.
- FIG. 4 shows a cover group 46 according to the invention, which has a
- End plate 47 having disposed thereon a filling opening 16 and a bursting membrane 18 and terminals 14, as known from the prior art, and a first current collector 42 of the cathode and a second current collector 44 of the anode.
- the battery winding 12 can be inserted into the cell housing such that an inflow direction 20 (shown in FIG. 3) of the liquid electrolyte lies parallel to the filling opening 16 and / or to the bursting membrane 18.
- FIGS. 6A and 6B show a winding blade 26 from the front ( Figure 6A) and from the back ( Figure 6B).
- the winding blade 26 is formed for example of a plastic plate 48.
- the plastic plate 48 has a rectangular base with a longer side 50 and a shorter side 52.
- the winding axis 40 is arranged parallel to the longer side 50 in this embodiment.
- On the longer side 50 is a first welding surface 54 of the cathode layer 30 and on the back of the winding blade 26 is a corresponding second welding surface 56 of the anode layer 32.
- the welding surfaces 54, 56 are electrically connected to the pads 36, 38, which adjoin the shorter sides 52 of the winding blade 26 are located.
- the welding surfaces 54, 56 are spaced from the opposite-pole connecting surfaces 36, 38 by insulating sections 58.
- the first welding surface 54 of the cathode layer 30 and the first connecting surface 36 of the cathode layer 30 are made of aluminum, for example, while the second welding surface 56 of the anode layer 32 and the second current collector 44 of the anode layer 32 can be made of copper.
- FIG. 7 shows the starting arrangement 22 with the winding blade 26, two
- the cathode layer 30 is welded to the first welding surface 54 and the anode layer 32 is welded to the second welding surface 56.
- the two separator layers 28 are arranged here by way of example opposite one another and isolate the cathode layer 30 from the anode layer 32 from one another.
- FIG. 8A shows the battery winding 12, which arises after winding the starting arrangement 22 shown in FIG.
- the winding blade 26 which is the contacting of the cathode layer 30 and the anode layer 32 with the current collectors 42, 44 accomplished.
- the wound layers 62 are the wound layers 62.
- FIG. 8B shows a lateral plan view of the battery winding 12, which arises after winding the starting arrangement 22 shown in FIG. 7 about the winding axis 40.
- the arrangement shown in Figure 8A is shown rotated by 90 °.
- the connection surfaces 36, 38 protrude laterally out of the wound layers, so that contacting with the cover group 46 can take place as shown in FIG. 5, wherein the connection surfaces 36, 38 are welded to the corresponding current collectors 42, 44.
- FIG. 9A shows a conventional electrode 30 ', 32' which has a
- Pad 36 ', 38' which extends completely over a longitudinal side 70 'of the electrode 30', 32 ', wherein the longitudinal side 70' longer than a
- Transverse side 72 ' is.
- FIG. 9B shows an electrode 30, 32 according to the invention, as described, having the welding surface 54, 56 which extends over a transverse side 72 of the electrode 30, 32. Unlike one with
- Active material coatable surface 64 'of the conventional electrode 30', 32 ' is an active material coatable surface 64 of the invention
- Electrode 30, 32 enlarged.
- FIGS. 10A and 10B show a further embodiment of a
- Winding sword 26 as shown in Figure 6A and 6B.
- winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6B the winding axis 40 extends parallel to the longer side 50 of the winding blade 26, according to FIG. 6A and FIG. 6
- Winding sword 26 arranged. Accordingly, the first extend
- Wickelatt 26 has on one of its longer sides 50 two projections 68, which allow the contacting with the pantographs 42, 44. This shortens the way to the terminals 14, as with reference to FIG 12 is explained in more detail.
- the welding surfaces 54, 56 are electrically connected to the pads 36, 38, which at the supernatants 68 of
- Winding sword 26 are arranged.
- the cathode layer 30 Prior to the winding process, the cathode layer 30 is welded to the first welding surface 54 and the anode layer 32 is welded to the second welding surface 56, and two separator layers 28 are arranged to form the starting assembly 22 described with reference to Figure 7, corresponding to the line BB shown in Figure 10A is cut.
- FIG. 11A shows the battery winding 12, which arises from the arrangement described with reference to FIG. 10, with the winding blade 26 and the wound layers 62.
- FIG. IIB shows the battery winding 12 in a lateral plan view.
- the projections 68 of the winding blade 26 form the connection surfaces 36, 38 for the terminals 14.
- FIGS. 12A and 12B show the shortening of the contacting of the battery roll 12 with the terminals 14 of the cover group 46, which are described with reference to FIGS. 10A, 10B, IIA and IIB
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/329,185 US10263291B2 (en) | 2014-07-25 | 2015-07-13 | Method of producing a prismatic battery cell |
JP2017504005A JP6535083B2 (ja) | 2014-07-25 | 2015-07-13 | 角柱形状の電池セルを製造する方法 |
CN201580040451.0A CN106537650B (zh) | 2014-07-25 | 2015-07-13 | 用于制造棱柱形的电池单元的方法 |
KR1020177002094A KR20170032900A (ko) | 2014-07-25 | 2015-07-13 | 각형 배터리 셀의 제조 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014214619.4A DE102014214619A1 (de) | 2014-07-25 | 2014-07-25 | Verfahren zur Herstellung einer prismatischen Batteriezelle |
DE102014214619.4 | 2014-07-25 |
Publications (1)
Publication Number | Publication Date |
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WO2016012294A1 true WO2016012294A1 (de) | 2016-01-28 |
Family
ID=53541671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2015/065962 WO2016012294A1 (de) | 2014-07-25 | 2015-07-13 | Verfahren zur herstellung einer prismatischen batteriezelle |
Country Status (6)
Country | Link |
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US (1) | US10263291B2 (de) |
JP (1) | JP6535083B2 (de) |
KR (1) | KR20170032900A (de) |
CN (1) | CN106537650B (de) |
DE (1) | DE102014214619A1 (de) |
WO (1) | WO2016012294A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US10903527B2 (en) * | 2017-05-08 | 2021-01-26 | Global Graphene Group, Inc. | Rolled 3D alkali metal batteries and production process |
CN112332038B (zh) * | 2019-09-26 | 2022-09-20 | 宁德时代新能源科技股份有限公司 | 电池单体、电池模块、电池组、装置及制造方法 |
CN111668403A (zh) * | 2020-07-04 | 2020-09-15 | 苏州炬鸿通讯电脑科技有限公司 | 极限肩高增容式锂电池盖板 |
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- 2015-07-13 CN CN201580040451.0A patent/CN106537650B/zh active Active
- 2015-07-13 US US15/329,185 patent/US10263291B2/en active Active
- 2015-07-13 KR KR1020177002094A patent/KR20170032900A/ko unknown
- 2015-07-13 WO PCT/EP2015/065962 patent/WO2016012294A1/de active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
CN106537650B (zh) | 2019-08-30 |
JP2017525113A (ja) | 2017-08-31 |
JP6535083B2 (ja) | 2019-06-26 |
US20170207490A1 (en) | 2017-07-20 |
CN106537650A (zh) | 2017-03-22 |
DE102014214619A1 (de) | 2016-01-28 |
KR20170032900A (ko) | 2017-03-23 |
US10263291B2 (en) | 2019-04-16 |
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