CN108878953A - Solid state lithium battery, forming method and vehicle - Google Patents

Solid state lithium battery, forming method and vehicle Download PDF

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Publication number
CN108878953A
CN108878953A CN201710814282.2A CN201710814282A CN108878953A CN 108878953 A CN108878953 A CN 108878953A CN 201710814282 A CN201710814282 A CN 201710814282A CN 108878953 A CN108878953 A CN 108878953A
Authority
CN
China
Prior art keywords
layer
solid state
lithium battery
state lithium
powder
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710814282.2A
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Chinese (zh)
Inventor
乔伊库马尔
杨红新
马忠龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Svolt Energy Technology Co Ltd
Original Assignee
Great Wall Motor Co Ltd
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 Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN201710814282.2A priority Critical patent/CN108878953A/en
Priority to PCT/CN2018/104998 priority patent/WO2019047967A1/en
Publication of CN108878953A publication Critical patent/CN108878953A/en
Pending legal-status Critical Current

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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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides a kind of solid state lithium battery, forming method and vehicles.Wherein, solid state lithium battery includes：Two cell bodies, cell body include lithium anode layer, composite cathode layer and membrane layer, wherein between lithium anode layer and composite cathode layer, the composite cathode layer of two cell bodies is oppositely arranged membrane layer；Current collector layer, current collector layer are arranged between two cell bodies, and are located between the composite cathode layer of at least two cell bodies.Solid state lithium battery of the invention has the advantages that capacity is big and energy export it is high.

Description

Solid state lithium battery, forming method and vehicle
Technical field
The present invention relates to automobile technical field, in particular to a kind of solid state lithium battery, forming method and vehicle.
Background technique
Vehicle is more and more, and traditional fuel-engined vehicle causes energy consumption excessive and brings pollution to environment, therefore, new energy Source automobile, as more and more attention has been paid to electric car has the advantages that low energy consumption and environmental pollution is small to electric car.
But electric car is limited by power battery, course continuation mileage is restricted.Current way is to drop as far as possible The energy consumption of low vehicle promotes course continuation mileage as far as possible.But the research of course continuation mileage is promoted from power battery It is less, to constrain the universal and development of electric car.
Summary of the invention
In view of this, the present invention is directed to propose a kind of solid state lithium battery.The solid state lithium battery is big with capacity and energy is defeated High advantage out.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of solid state lithium battery, including：Two cell bodies, the cell body include lithium anode layer, composite cathode layer and every Film layer, wherein the membrane layer is between the lithium anode layer and composite cathode layer, the composite cathode of described two cell bodies Layer is oppositely arranged；Current collector layer, the current collector layer are arranged between described two cell bodies, and are located at least two electricity Between the composite cathode layer of pond body.
Further, further include：Current collector on the lithium anode layer is set.
Further, the current collector is copper product current collector.
Further, the lithium anode layer is made of lithium powder and/or copper powders.
Further, the composite cathode layer include in spinelle and the active material of layer structure any one or Mixture.
Further, the membrane layer is made of conducting glass material.
Further, the electro-conductive glass includes anti-perovskite and closo-borate.
Further, the current collector layer is aluminum material current collector layer.
Solid state lithium battery of the invention, have the advantages that capacity is big and energy export it is high.
Second object of the present invention is to propose a kind of forming method of solid state lithium battery.Forming method has processing effect The high advantage of rate can make solid state lithium battery have the advantages that capacity is big and energy output is high, can produce high-energy and multiplying power.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of forming method of solid state lithium battery, provide lithium anode layer powder, composite cathode layer powder, membrane layer powder with And current collector layer powder；It is successively laid with lithium anode layer powder, membrane layer powder, composite cathode layer powder, current collector layer powder, answers Close cathode layer powder, membrane layer powder and lithium anode layer powder；The casting of the Reel-to-reel type of dry method or wet process is passed through to each layer powder Pressure and rolling are cell body structure sheaf；Cut the cell body structure sheaf, and for the cell body structure after cutting draw anode and Cathode is to form solid state lithium battery.
The forming method of the solid state lithium battery is possessed excellent compared with the existing technology with above-mentioned solid state lithium battery Gesture is identical, and details are not described herein.
Third object of the present invention is to propose a kind of vehicle, and the solid state lithium battery in the vehicle has capacity big and energy Amount exports high advantage, to promote the course continuation mileage of vehicle.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of vehicle is provided with the solid state lithium battery as described in any one above-mentioned embodiment.
Possessed advantage is identical compared with the existing technology with above-mentioned solid state lithium battery for the vehicle, no longer superfluous herein It states.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural block diagram of solid state lithium battery described in one embodiment of the invention；
Fig. 2 is the schematic diagram of solid state lithium battery described in one embodiment of the invention；
Fig. 3 is the flow chart of the forming method of solid state lithium battery described in another embodiment of the present invention.
Description of symbols：
Cell body 110, current collector layer 120.Lithium anode layer 111, composite cathode layer 112, membrane layer 113.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the structural block diagram of solid state lithium battery according to an embodiment of the invention.Fig. 2 is a reality according to the present invention Apply the schematic diagram of the solid state lithium battery of example.As shown in Figure 1, and combining Fig. 2, solid-state lithium electricity according to an embodiment of the invention Pond, including：Two cell bodies 110 and current collector layer 120.
Wherein, cell body 110 includes lithium anode layer 111 (lithium anode), 112 (composite of composite cathode layer Cathode) and membrane layer 113 (solid separator, i.e.,：Solid separator), wherein membrane layer 113 is located at lithium anode layer Between 111 and composite cathode layer 112, the composite cathode layer 112 of two cell bodies 110 is oppositely arranged.Current collector layer 120 (aluminum current collector, i.e.,：The current-collector of aluminum material) it is arranged between two cell bodies 110, and be located at Between the composite cathode layer 112 of at least two cell bodies 110.
As shown in Fig. 2, solid state lithium battery further includes：Current collector on lithium anode layer 111 is set (such as Fig. 2 institute The copper current collector shown, i.e.,：The current collector of copper product).Wherein, current collector is, for example, copper material Expect current collector.
Lithium anode layer 111, composite cathode layer 112 and membrane layer 113 etc. are described in detail below.
Lithium anode layer 111 is made of lithium powder and/or copper powders.
Composite cathode layer 112 include but is not limited in the active material of spinelle and layer structure any one or it is mixed Close object.It in one embodiment of the invention, include electronic conductive material in composite cathode layer 112, such as spinelle and stratiform knot Any one in the active material of structure or mixture.
Wherein, composite cathode layer 112 includes one or more electron conducting materials, such as carbonaceous material such as carbon black, carbon Nanotube, carbon fiber, foamy carbon, oxide such as ITO and CoO etc. and alloy such as lithium alloy etc..
Membrane layer 113 is made of conducting glass material.Furthermore, electro-conductive glass includes anti-perovskite and closo- Borate.Such as：It can be used as the viscous of lithium anode layer 111 by the membrane layer 113 that watery fusion and macroion electro-conductive glass are formed Agent is tied, to be bonded between lithium anode layer 111 and composite cathode layer 112.
Current collector layer 120 is but is not limited to aluminum material current collector layer.
Specifically, using slurry mixing composite cathode, diaphragm and lithium anode dry and wet.Lithium anode is lithium metal foil, knot Structure lithium is made with or without materials such as the lithium powders of foam copper.Lithium anode volume expansion passes through big in copper mesh or foaming structure Empty volume and be protected.Diaphragm is a kind of thin conforming layer watery fusion, macroion conducting glass material, such as anti-perovskite and closed Box-like borate and its mixture.Composite cathode has composite construction, including a kind of spinelle and layer structure active material, knot Watery fusion, highly conductive glass material are closed, it is of course also possible to combine a kind of or mixed electronic conductive material such as carbon black, carbon nanometer Pipe, carbon fiber and any other electronic conduction carbon material, the material system for even combining ceramic material such as ITO or metal oxide At metal oxide such as cobalt oxide or lithium-aluminium alloy.There are two battery cores for battery, in normal aluminium foil or any appropriate aluminium alloy two Side.Anode, diaphragm, cathode and current collector layer etc. are manufactured with roll-to-roll mode.To make solid state lithium battery have capacity big and energy Amount output is high, can produce the advantages of high-energy and multiplying power.
The solid state lithium battery of the embodiment of the present invention has the advantages that energy output is high, can produce high-energy and multiplying power.
As shown in figure 3, embodiment of the invention discloses a kind of forming methods of solid state lithium battery, including：Lithium sun is provided Pole layer powder, composite cathode layer powder, membrane layer powder and current collector layer powder；Successively it is laid with lithium anode layer powder, diaphragm Layer powder, composite cathode layer powder, current collector layer powder, composite cathode layer powder, membrane layer powder and lithium anode layer powder；It is right Each layer powder is cell body structure sheaf by the Reel-to-reel type of dry method or wet process casting pressure and rolling；Cut the cell body structure Layer, and anode and cathode are drawn for the cell body structure after cutting to form solid state lithium battery.Wherein, in the figure Processing direction refers to that machine direction, Solid electrolyte powder/slurry feeders refer to solid Electrolyte powder/slurry feeder, Cathode powder/slurry feeders refer to cathode powder/slurry feeder, Aluminum foil refer to aluminium foil, Heat hard roller refer to the hard roller of heating, Kapton film refer to Kapton foil, Titanium foil refers to that titanium foil, Conduct wheel guide guide wheel, Soft cold roller to refer to soft chill roles, Test Equipment refers to that test device, Laser cutter refer to that laser cutting machine, Conveyor belt refer to conveyer belt.
The forming method of the solid state lithium battery of the embodiment of the present invention, has the advantages that high in machining efficiency, can make solid-state lithium Battery has the advantages that capacity is big and energy output is high, can produce high-energy and multiplying power.
Further, a kind of vehicle is provided with the solid state lithium battery as described in any one above-mentioned embodiment.The vehicle example For example electric car, in the vehicle solid state lithium battery have the advantages that capacity is big and energy export it is high, to promote the continuous of vehicle Navigate mileage.
In addition, other compositions of vehicle according to an embodiment of the present invention and effect are for those of ordinary skill in the art For be all it is known, in order to reduce redundancy, be not repeated herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of solid state lithium battery, which is characterized in that including：
Two cell bodies, the cell body include lithium anode layer, composite cathode layer and membrane layer, wherein the membrane layer is located at Between the lithium anode layer and composite cathode layer, the composite cathode layer of described two cell bodies is oppositely arranged；
Current collector layer, the current collector layer are arranged between described two cell bodies, and are located at least two cell body Between composite cathode layer.
2. solid state lithium battery according to claim 1, which is characterized in that further include：It is arranged on the lithium anode layer Current collector.
3. solid state lithium battery according to claim 2, which is characterized in that the current collector is copper product electric current collection Device.
4. solid state lithium battery according to claim 2 or 3, which is characterized in that the lithium anode layer is by lithium powder and/or copper Powder is made.
5. solid state lithium battery according to claim 1, which is characterized in that the composite cathode layer includes spinelle and stratiform Any one in the active material of structure or mixture.
6. solid state lithium battery according to claim 1, which is characterized in that the membrane layer is made of conducting glass material.
7. solid state lithium battery according to claim 6, which is characterized in that the electro-conductive glass includes anti-perovskite and closure Type-borate.
8. solid state lithium battery according to claim 6, which is characterized in that the current collector layer is aluminum material current collector layer.
9. a kind of forming method of solid state lithium battery according to claim 1-8, which is characterized in that including：
Lithium anode layer powder, composite cathode layer powder, membrane layer powder and current collector layer powder are provided；
Successively it is laid with lithium anode layer powder, membrane layer powder, composite cathode layer powder, current collector layer powder, composite cathode layer powder End, membrane layer powder and lithium anode layer powder；
Each layer powder by the Reel-to-reel type of dry method or wet process casting pressure and is rolled as cell body structure sheaf；
The cell body structure sheaf is cut, and draws anode and cathode for the cell body structure after cutting to form solid-state lithium electricity Pond.
Pressure is cast by the Reel-to-reel type of dry method or wet process and rolling forms the solid state lithium battery.
10. a kind of vehicle, which is characterized in that be arranged just like the described in any item solid state lithium batteries of claim 1-8.
CN201710814282.2A 2017-09-11 2017-09-11 Solid state lithium battery, forming method and vehicle Pending CN108878953A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710814282.2A CN108878953A (en) 2017-09-11 2017-09-11 Solid state lithium battery, forming method and vehicle
PCT/CN2018/104998 WO2019047967A1 (en) 2017-09-11 2018-09-11 Solid-state lithium battery, forming method, and vehicle

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Application Number Priority Date Filing Date Title
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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN102598388A (en) * 2009-10-30 2012-07-18 第一工业制药株式会社 Lithium secondary battery
CN102859759A (en) * 2010-02-18 2013-01-02 国立科学研究中心 Method for preparing a solid-state battery by sintering under pulsating current
CN203503745U (en) * 2011-11-09 2014-03-26 Sakti3有限公司 Monolithically integrated solid-state thin film lithium battery equipment

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CN101315993A (en) * 2007-05-28 2008-12-03 东莞新能源电子科技有限公司 Method for manufacturing stack type lithium ion battery
US9793525B2 (en) * 2012-10-09 2017-10-17 Johnson Battery Technologies, Inc. Solid-state battery electrodes
CN104993094B (en) * 2015-05-26 2017-08-29 广东烛光新能源科技有限公司 The preparation method of metal lithium bands and the metal lithium bands prepared using this method
CN105070879A (en) * 2015-07-30 2015-11-18 河北中智电池制造有限公司 Technology and equipment for manufacturing energy-saving and environment-friendly lithium battery pole piece
WO2017065035A1 (en) * 2015-10-15 2017-04-20 日本碍子株式会社 All-solid-state lithium battery

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Publication number Priority date Publication date Assignee Title
CN102598388A (en) * 2009-10-30 2012-07-18 第一工业制药株式会社 Lithium secondary battery
CN102859759A (en) * 2010-02-18 2013-01-02 国立科学研究中心 Method for preparing a solid-state battery by sintering under pulsating current
CN203503745U (en) * 2011-11-09 2014-03-26 Sakti3有限公司 Monolithically integrated solid-state thin film lithium battery equipment

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Effective date of registration: 20190123

Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu

Applicant after: SVOLT Energy Technology Co.,Ltd.

Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000

Applicant before: GREAT WALL MOTOR Co.,Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181123