WO2020019784A1 - 一种全固态锂电池及其制备方法 - Google Patents
一种全固态锂电池及其制备方法 Download PDFInfo
- Publication number
- WO2020019784A1 WO2020019784A1 PCT/CN2019/084125 CN2019084125W WO2020019784A1 WO 2020019784 A1 WO2020019784 A1 WO 2020019784A1 CN 2019084125 W CN2019084125 W CN 2019084125W WO 2020019784 A1 WO2020019784 A1 WO 2020019784A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- lithium battery
- current collector
- electrode current
- positive electrode
- Prior art date
Links
Images
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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- 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
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0421—Methods of deposition of the material involving vapour deposition
- H01M4/0423—Physical vapour deposition
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/049—Manufacturing of an active layer by chemical means
- H01M4/0492—Chemical attack of the support 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic 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
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
-
- 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
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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
- Embodiments of the present disclosure relate to the field of lithium batteries, and in particular, to an all-solid-state lithium battery and a method for preparing the same.
- All-solid-state lithium batteries have advantages not found in other energy equipment: high safety, low cost, high temperature charge and discharge, long cycle life, long charging and long battery life, and they have become the first choice in the future energy field.
- existing all-solid-state lithium batteries are made of thin films. According to the research by the inventor, it is found that the thin films in the existing all-solid-state lithium batteries are liable to crack, which reduces the reliability of the all-solid-state lithium batteries, and even causes the all-solid-state lithium batteries to fail to work normally in severe cases.
- the embodiments of the present disclosure provide an all-solid-state lithium battery and a preparation method thereof, which can improve the reliability of the all-solid-state lithium battery and ensure the normal operation of the all-solid-state lithium battery.
- an embodiment of the present disclosure provides a method for preparing an all-solid-state lithium battery, including: providing a substrate;
- each lithium battery cell includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative electrode current collector layer, M ⁇ 1, N ⁇ 1, and M and N are not 1 at the same time.
- the method further includes:
- a first electrode and a second electrode are formed on the substrate.
- the lithium battery cells forming M rows ⁇ N columns on the substrate include:
- a positive electrode current collector layer and a first connection layer of the lithium battery cells of M rows ⁇ N columns are formed on the substrate, and the first connection layer is used to connect the positive electrode current collector layers of adjacent lithium battery cells and the first column.
- a negative electrode current collector layer and a second connection layer are formed on the negative electrode layer and the insulating layer, and the second connection layer is used to connect the negative electrode current collector layer of the adjacent lithium battery cells and the negative electrode current collector of the last row of lithium battery cells. Layer and second electrode.
- the lithium battery cells forming M rows ⁇ N columns on the substrate include:
- a negative electrode current collector layer and a second connection layer are formed on the negative electrode layer and the insulation layer, and the second connection layer is used to connect the negative electrode current collector layer and the second electrode of each lithium battery cell.
- forming the positive electrode current collector layer and the first connection layer of the lithium battery cells in M rows ⁇ N columns on the substrate includes:
- a positive electrode current collector layer of M rows ⁇ N columns of lithium battery cells is formed on the substrate by using a first mask plate through an evaporation process; and a first connection layer is formed by using a second mask plate through an evaporation process.
- forming a negative electrode current collector layer and a second connection layer on the negative electrode layer and the insulating layer includes:
- a negative electrode current collector layer is formed on the negative electrode layer and the insulating layer by a vapor deposition process using a first mask; and a second connection layer is formed by a vapor deposition process using a second mask.
- the method further includes:
- An encapsulation layer is formed on the lithium battery cell.
- an embodiment of the present disclosure further provides an all-solid-state lithium battery, which includes a substrate and M rows ⁇ N columns of lithium battery cells disposed on the substrate;
- Each lithium battery cell includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative electrode current collector layer, where M ⁇ 1, N ⁇ 1, and M and N are not 1 at the same time.
- the all-solid-state lithium battery further includes a first electrode and a second electrode provided on the substrate.
- the all-solid-state lithium battery further includes: a first connection layer and a second connection layer; wherein,
- the first connection layer is disposed on the same layer as the positive electrode current collector layer, and is used to connect the positive electrode current collector layer of an adjacent lithium battery cell and the positive electrode current collector layer of the first row of lithium battery cells and the first electrode;
- the second connection layer is disposed on the same layer as the negative current collector layer, and is used to connect the negative current collector layer of the adjacent lithium battery cells and the negative current collector layer and the second electrode of the last row of lithium battery cells.
- the all-solid-state lithium battery further includes: a first connection layer and a second connection layer; wherein,
- the first connection layer is provided at the same layer as the positive electrode current collector layer, and is used to connect the positive electrode current collector layer and the first electrode of each lithium battery cell; the second connection layer and the negative electrode current collector layer The same layer is provided for connecting the negative electrode current collector layer and the second electrode of each lithium battery cell.
- the all-solid-state lithium battery further includes: an insulating layer provided on the substrate;
- the isolation layer is used to isolate the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, and the negative electrode layer of adjacent lithium battery cells.
- the interval between adjacent lithium battery cells is 1 to 100 microns.
- the all-solid-state lithium battery further includes: an encapsulation layer;
- the packaging layer is disposed on the lithium battery cell.
- the embodiments of the present disclosure provide an all-solid-state lithium battery and a method for preparing the same.
- the method for preparing an all-solid-state lithium battery includes: providing a substrate; forming M rows ⁇ N columns of lithium battery cells on the substrate; wherein each lithium The battery cell includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative electrode current collector layer.
- the size of the plurality of lithium battery cells in the present application is smaller than the size of the lithium battery in the prior art, and release
- the surface stress of each film layer in the lithium battery unit prevents the cracking of each film, improves the reliability of the all-solid-state lithium battery, ensures the normal operation of the all-solid lithium battery, and greatly improves the service life of the all-solid lithium battery. It can also greatly improve the yield, reduce costs, and enhance product competitiveness.
- 1A is a side view of a conventional all-solid-state lithium battery
- 1B is another side view of a conventional all-solid-state lithium battery
- 1C is a top view of a conventional all-solid-state lithium battery
- FIG. 2 is a flowchart of a method for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 3A is a first schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 3B is a second schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 3C is a third schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 3D is a fourth schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 3E is a fifth schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 3F is a sixth schematic diagram of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 3G is a schematic diagram VII of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 3H is a schematic diagram VIII of a method 1 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 4A is a first schematic view of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 4B is a second schematic diagram of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 4C is a third schematic diagram of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 4D is a fourth schematic diagram of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 4E is a fifth schematic diagram of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- 4F is a schematic diagram VI of a method 2 for preparing an all-solid-state lithium battery according to an embodiment of the present disclosure
- FIG. 5 is a top view of an all-solid-state lithium battery provided by an embodiment of the present disclosure.
- FIG. 6 is a side view of an all-solid-state lithium battery provided by an embodiment of the present disclosure.
- FIG. 7 is another side view of an all-solid-state lithium battery provided by an embodiment of the present disclosure.
- FIG 8 is another side view of an all-solid-state lithium battery provided by an embodiment of the present disclosure.
- FIG. 9 is a first schematic structural diagram of an all-solid-state lithium battery according to an embodiment of the present disclosure.
- FIG. 10 is a second schematic structural diagram of an all-solid-state lithium battery according to an embodiment of the present disclosure.
- FIG. 11 is a side view corresponding to FIG. 9;
- FIG. 12 is a side view corresponding to FIG. 10.
- FIG. 1A is a side view of the existing all-solid-state lithium battery
- FIG. 1B is another side view of the existing all-solid-state lithium battery
- FIG. 1C is a view of the existing all-solid-state lithium battery.
- an all-solid-state lithium battery includes a substrate 1 and a plurality of lithium batteries 2 disposed on the substrate 1.
- FIG. 1A includes one lithium battery
- FIG. 1B includes two lithium batteries as Examples will be described.
- the prior art provides two solutions: the first solution: increase the film-forming electrode of all-solid-state lithium batteries, but after research by the inventors, it has been found that with the formation of all-solid-state lithium batteries, As the film area increases, the surface stress of each layer of thin film also increases, which will cause the cracking of each thin film in an all-solid-state lithium battery, eventually leading to a decrease in the reliability of the all-solid-state lithium battery and, in severe cases, positive and negative electrodes. Short circuit, causing all solid-state lithium batteries to malfunction.
- the second solution increase the number of layers of lithium batteries in all-solid-state lithium batteries.
- the thickness of the entire all-solid-state lithium battery is getting larger and larger.
- the higher the thickness the greater the surface stress of the thin film, which will cause the cracking of each thin film in the all-solid-state lithium battery.
- the reliability of the all-solid-state lithium battery will decrease. In severe cases, the positive and negative electrodes will short-circuit, causing the all-solid-state lithium battery Can not work normally.
- the embodiments of the present disclosure provide an all-solid-state lithium battery and a method for preparing the same. The details are as follows:
- FIG. 2 is a flowchart of a method for preparing an all-solid-state lithium battery provided by an embodiment of the present disclosure. As shown in FIG. The method for preparing an all-solid-state lithium battery provided by the disclosed embodiments includes:
- Step 100 Provide a substrate.
- the substrate may be glass, plastic, polymer, metal sheet, silicon chip, quartz, ceramic, or mica.
- the substrate may also be a flexible substrate, wherein a material for manufacturing the flexible substrate includes: Polyimide (PI), Polyethylene Terephthalate (PET), zirconia or Alumina and other materials.
- Step 200 Form M rows ⁇ N columns of lithium battery cells on the substrate.
- Each lithium battery cell includes a positive current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative current collector layer.
- M ⁇ 1, N ⁇ 1, and M and N are not 1 at the same time.
- the plurality of lithium battery cells in the embodiment of the present disclosure are disposed on the same layer, and the structure and thickness of each lithium battery cell are the same.
- the interval between two adjacent lithium battery cells is 1-100 microns.
- the number of the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, the negative electrode layer, and the negative electrode current collector layer included in each lithium battery cell is at least one, and the number of each layer is not specifically limited in the embodiments of the present disclosure. Limited according to actual needs.
- the manufacturing material of the positive current collector layer may be aluminum foil, and the manufacturing material of the negative current collector layer may be copper foil.
- the purity of both is required to be above 98%.
- the materials for making the positive electrode layer include: nickel nickel cobalt aluminate, lithium-rich, lithium manganate, lithium titanate, and lithium iron phosphate.
- the positive electrode layer generally uses a composite electrode, and includes a solid state in addition to the electrode active material. The electrolyte and conductive agent play a role in transporting ions and electrons in the electrode.
- the material for making the negative electrode layer includes one or a combination of at least two of metal lithium, alloys, or oxides.
- the alloys include a lithium alloy and / or a silicon-based alloy.
- the electrolyte layer is a solid inorganic lithium ion conductor
- the manufacturing materials include lithium phosphate LiPO4, lithium oxide Li 3 O X, or lithium titanium phosphate LiTi 2 (PO 4 ) 3 and the like.
- the method for preparing an all-solid-state lithium battery includes: providing a substrate; forming M rows ⁇ N columns of lithium battery cells on the substrate; wherein each lithium battery cell includes a positive electrode current collector layer, a positive electrode layer, An electrolyte layer, a negative electrode layer, and a negative electrode current collector layer.
- the size of the plurality of lithium battery cells in the present application is smaller than that of the lithium battery in the prior art under the same area, which releases
- the surface stress of each film layer in the lithium battery unit prevents the cracking of each film, improves the reliability of the all-solid-state lithium battery, ensures the normal operation of the all-solid lithium battery, and greatly improves the service life of the all-solid lithium battery. It can also greatly improve the yield, reduce costs, and enhance product competitiveness.
- the method for preparing an all-solid-state lithium battery provided in the embodiment of the present disclosure further includes: forming a first electrode and a second electrode on a substrate.
- the first electrode is a positive electrode
- the second electrode is a negative electrode.
- the first electrode and the second electrode may be symmetrically disposed on both sides of the substrate.
- the embodiments of the present disclosure do not specifically limit the positions of the first electrode and the second electrode.
- the first electrode and the second electrode are disposed on the same layer as the positive electrode current collector layer disposed near the substrate.
- the material for the first electrode and the second electrode may be indium tin oxide or metal, which is not limited in the embodiments of the present disclosure.
- first electrode and the second electrode are made of indium tin oxide or a material different from that of the positive electrode current collector
- forming the first electrode and the second electrode on the substrate may occur after step 200. Or it can happen that after the positive electrode current collector layer is formed on the substrate, when the materials of the first electrode and the second electrode are the same as those of the positive electrode current collector, in order to simplify the manufacturing process, the first electrode and the second electrode are formed on the substrate.
- the electrode may be formed in the same step as forming the positive electrode current collector layer on the substrate.
- step 200 specifically includes: forming a positive electrode current collector layer and a first connection layer of the lithium battery cells of M rows ⁇ N columns on the substrate; sequentially forming a positive electrode layer on the positive electrode current collector layer, Electrolyte layer and negative electrode layer; forming an insulating layer for isolating adjacent lithium battery cells on the substrate; forming M rows ⁇ N columns of lithium battery cells on the negative layer and insulating layer of M rows ⁇ N columns of lithium battery cells A negative electrode current collector layer and a second connection layer.
- the first connection layer is used to connect the positive electrode current collector layer of the adjacent lithium battery cells and the positive electrode current collector layer of the first row of lithium battery cells and the first electrode
- the second connection layer is used to The negative current collector layer of the adjacent lithium battery cells is connected to the negative current collector layer of the last row of lithium battery cells and the second electrode. Only the positive electrode current collector layer of the first row of lithium battery cells is connected to the first electrode, the negative electrode current collector layer of the last row of lithium battery cells is connected to the second electrode, the positive electrode current collector layer between adjacent lithium battery cells and the negative electrode Connection between current collector layers.
- step 200 specifically includes: forming a positive electrode current collector layer of the lithium battery cells of M rows ⁇ N columns on the substrate and a first connection layer, where the first connection layer is used to connect each lithium The positive electrode current collector layer and the first electrode of the battery cell; a positive electrode layer, an electrolyte layer, and a negative electrode layer are sequentially formed on the positive electrode current collector layer; an insulating layer for isolating adjacent lithium battery cells is formed on the substrate; A negative electrode current collector layer and a second connection layer are formed on the layer, and the second connection layer is used to connect the negative electrode current collector layer and the second electrode of each lithium battery cell.
- the positive electrode current collector layer of each lithium battery cell is connected to the first electrode
- the negative electrode current collector layer in each lithium battery cell is connected to the second electrode
- the positive electrode current collector between adjacent lithium battery cells There is no connection between the layers and between the negative electrode current collector layers.
- the steps in the two embodiments form the positive electrode current collector layer and the first connection layer of the lithium battery cells of M rows ⁇ N columns on the substrate specifically include:
- a positive electrode current collector film is deposited on the substrate, and the positive electrode current collector film is etched by a laser process or a photolithography process to form a positive electrode current collector layer and a first connection layer; or a first mask plate is used on the substrate to perform a vapor deposition process.
- a positive electrode current collector layer of the lithium battery cells of M rows ⁇ N columns is formed; a first connection layer is formed by a second mask using a vapor deposition process.
- the positive electrode current collector layer and the first connection layer may also be formed by 3D printing.
- the positive electrode current collector layer and the first connection layer may be formed integrally or separately, which is not limited in the embodiments of the present disclosure.
- the steps in the two embodiments form the negative electrode current collector layer and the second connection layer on the negative electrode layer and the insulating layer.
- the method includes: depositing the negative electrode current collector film on the negative electrode layer and the insulating layer, and applying a laser process to the negative electrode current collector film. Etching is performed to form a negative electrode current collector layer and a second connection layer; or a negative electrode current collector layer is formed on the negative electrode layer and the isolation layer by a vapor deposition process; a second mask plate is formed by a vapor deposition process The second connection layer.
- the negative electrode current collector layer and the second connection layer may be integrally formed or separately provided, which is not limited in the embodiment of the present disclosure.
- the negative electrode current collector layer and the second connection layer may also be formed by 3D printing.
- the steps of sequentially forming the positive electrode layer, the electrolyte layer, and the negative electrode layer on the positive electrode current collector layer specifically include: using a physical vapor deposition process to deposit a positive electrode thin film on the positive electrode current collector layer, and forming a positive electrode layer through a patterning process;
- the physical vapor deposition process deposits an electrolyte thin film and forms an electrolyte layer through a patterning process;
- a physical vapor deposition process or an evaporation process is used to form a negative electrode film on the electrolyte layer.
- the physical vapor deposition process includes a magnetron sputtering method, a pulsed laser deposition method, or a plasma-assisted electron beam evaporation method.
- the magnetron sputtering method is also referred to as radio frequency magnetron sputtering.
- the target material used for magnetron sputtering is selected or prepared according to the raw materials, and can be prepared by conventional methods.
- Pulse laser deposition also known as pulsed laser ablation, is a method of using a laser to bombard an object, and then depositing the bombarded material on different substrates to obtain a precipitate or a thin film.
- evaporation refers to thermal evaporation coating, which is based on the electron beam gaining kinetic energy to bombard the target material under the action of an electric field with a disparity U, and the target material is heated and vaporized to achieve the evaporation coating.
- Evaporation coating refers to a method of heating a metal or non-metal material under high vacuum conditions to evaporate and condense on the surface of a plated part (metal, semiconductor or insulator) to form a thin film.
- the evaporation process includes a vacuum thermal evaporation process.
- the manufacturing method of the all-solid-state lithium battery provided by the embodiment of the present disclosure further includes: forming an encapsulation layer on the lithium battery unit.
- the packaging layer provided in the embodiments of the present disclosure can greatly improve the battery's ability to prevent air and water vapor penetration, and extend the battery's use and storage life.
- the packaging material is made of aluminum oxide, silicon oxide, or silicon nitride.
- the structure of the multilayer lithium battery may be formed by simply stacking a plurality of single-layer lithium batteries, and each single-layer lithium battery includes the above-mentioned lithium battery cells of M rows ⁇ N columns, where Adjacent two layers of lithium batteries are separated by a packaging layer, and the packaging layers are both disposed on the negative current collector of the lithium battery cell.
- the structure of the multilayer lithium battery may also be formed by two adjacent single-layer lithium batteries sharing a negative current collector or a positive current collector.
- Each single-layer lithium battery includes the above-mentioned M rows ⁇ The lithium battery cells in N columns, wherein the packaging layer is provided on the top lithium battery.
- the packaging layer is provided on the positive current collector of the top lithium battery, but when the number of lithium battery layers is odd, The encapsulation layer is disposed on the negative current collector of the top lithium battery.
- the first connection layer is used to connect the positive current collector layer of the adjacent lithium battery cells and the positive current collector layer of the first row of lithium battery cells and the first electrode
- the second connection layer is used to connect the adjacent lithium battery cells.
- Step 310 Form a first electrode AA, a second electrode BB, and a positive electrode current collector layer 21 and a first connection layer 31 of a lithium battery cell of M rows ⁇ N columns on the substrate 10, as shown in FIG. 3A or 3B.
- step 310 includes: depositing a positive current collector film on a substrate, and etching the positive current collector film by a laser process or a photolithography process to form a positive current collector layer and a first connection layer, where FIG. A positive electrode current collector layer and a first connection layer formed by an etching process; or a first mask plate on a substrate to form a positive electrode current collector layer of M rows ⁇ N columns of a lithium battery cell by an evaporation process; a second mask is used The plate forms a first connection layer by an evaporation process.
- FIG. 3B shows a positive electrode current collector layer and a first connection layer formed by an evaporation process.
- Step 320 A positive electrode layer 22 is sequentially formed on the positive electrode current collector layer 21, as shown in FIG. 3C.
- Step 330 An electrolyte layer 23 is formed on the positive electrode layer 22, as shown in FIG. 3D.
- Step 340 A negative electrode layer 24 is formed on the electrolyte layer 23, as shown in FIG. 3E.
- Step 350 An isolation layer 26 for isolating adjacent lithium battery cells is formed on the substrate 10, as shown in FIG. 3F.
- Step 360 Form the negative current collector layer 25 and the second connection layer 32 of the lithium battery cells of M rows ⁇ N columns on the negative layer 24 and the isolation layer 26 of the lithium battery cells of M rows ⁇ N columns, as shown in FIG. 3G and FIG. Figure 3H.
- step 360 specifically includes: depositing a negative electrode current collector film on the substrate, and etching the negative electrode current collector film by a laser process to form a negative electrode current collector layer and a second connection layer, wherein the negative electrode current collector layer and the second connection are integrated 3G is a negative electrode current collector layer and a second connection layer formed by a laser etching process; or a negative electrode set of M rows ⁇ N columns of a lithium battery cell is formed on the substrate by a first mask using a vapor deposition process.
- a fluid layer; a second connection layer is formed by an evaporation process using a second mask, and FIG. 3H is a negative electrode current collector layer and a second connection layer formed by an evaporation process.
- the first connection layer is used to connect the positive current collector layer and the first electrode of each lithium battery cell
- the second connection layer is used to connect the negative current collector layer and the second electrode of each lithium battery cell
- Step 410 Form a first electrode AA, a second electrode BB, and a positive electrode current collector layer 21 and a first connection layer 31 of a lithium battery cell of M rows ⁇ N columns on the substrate 10, as shown in FIG. 4A.
- the positive electrode current collector layer 21 and the first connection layer 31 in FIG. 4A are separately provided, and the two can also be integrally formed.
- Step 420 A positive electrode layer 22 is sequentially formed on the positive electrode current collector layer 21, as shown in FIG. 4B.
- Step 430 An electrolyte layer 23 is formed on the positive electrode layer 22, as shown in FIG. 4C.
- Step 440 A negative electrode layer 24 is formed on the electrolyte layer 23, as shown in FIG. 4D.
- Step 450 An isolation layer 26 for isolating adjacent lithium battery cells is formed on the substrate 10, as shown in FIG. 4E.
- Step 460 The negative electrode current collector layer 25 and the second connection layer 32 formed on the negative electrode layer 24 and the insulating layer 26 are as shown in FIG. 4F.
- the positive electrode current collector layer 21 and the first connection layer 31 in FIG. 4F are separately provided, and the two can also be integrally formed.
- the embodiment of the present disclosure provides an all-solid-state lithium battery.
- FIG. 5 is a top view of the all-solid-state lithium battery provided by the embodiment of the present disclosure
- FIG. 6 is a side view of the all-solid-state lithium battery provided by the embodiment of the present disclosure.
- the all-solid-state lithium battery provided by the embodiment of the present disclosure includes: a substrate 10 and M rows ⁇ N columns of lithium battery cells 20 disposed on the substrate 10.
- Each of the lithium battery cells 20 includes a positive electrode current collector layer 21, a positive electrode layer 22, an electrolyte layer 23, a negative electrode layer 24, and a negative electrode current collector layer 25.
- the substrate 10 may be glass, plastic, polymer, metal sheet, silicon chip, quartz, ceramic, mica, or the like.
- the substrate may be a flexible substrate, and the flexible substrate may be made of materials such as polyimide (PI), polyethylene terephthalate (PET), zirconia, and alumina.
- the embodiment of the present disclosure does not specifically limit the number of lithium battery cells, and the arrangement manner may be M ⁇ N, where M ⁇ 1, N ⁇ 1, and M and N cannot be 1 at the same time, according to actual requirements determine.
- the plurality of lithium battery cells in the embodiment of the present disclosure are disposed on the same layer, and the structure and thickness of each lithium battery cell are the same.
- the interval between two adjacent lithium battery cells is 1-100 microns.
- the manufacturing material of the positive current collector layer may be aluminum foil, and the manufacturing material of the negative current collector layer may be copper foil.
- the purity of both is required to be above 98%.
- the materials for making the positive electrode layer include: nickel nickel cobalt aluminate, lithium-rich, lithium manganate, lithium titanate, and lithium iron phosphate.
- the positive electrode layer generally uses a composite electrode, and includes a solid state in addition to the electrode active material. The electrolyte and conductive agent play a role in transporting ions and electrons in the electrode.
- the material for making the negative electrode layer includes one or a combination of at least two of metal lithium, alloys, or oxides.
- the alloys include a lithium alloy and / or a silicon-based alloy.
- the electrolyte layer is a solid inorganic lithium ion conductor, and the materials used for the production include lithium phosphate LiPO4, lithium oxide Li 3 O X, or lithium titanium phosphate LiTi 2 (PO 4 ) 3 .
- the all-solid-state lithium battery provided in the embodiment of the present disclosure includes a substrate and lithium rows and M rows ⁇ N columns of lithium battery cells disposed on the substrate; wherein each lithium battery cell includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, and a negative electrode. Layer and negative current collector layer.
- a plurality of lithium battery cells arranged in an array are arranged on a substrate to ensure that the size of the plurality of lithium battery cells in the present application is smaller than that of the lithium battery in the prior art under the same area.
- the number of the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, the negative electrode layer, and the negative electrode current collector layer included in each lithium battery cell is at least one. It should be noted that FIG. 5 is a positive electrode current collector layer, The number of each of the positive electrode layer, the electrolyte layer, the negative electrode layer, and the negative electrode current collector layer is described as an example.
- the number of the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, the negative electrode layer, and the negative electrode current collector layer included in the lithium battery unit provided in the embodiments of the present disclosure may be multiple.
- Embodiments of the present disclosure The number of each layer is not specifically limited, and is specifically limited according to actual needs.
- FIG. 7 is another side view of the all-solid-state lithium battery provided by the embodiment of the present disclosure
- FIG. 8 is another side view of the all-solid-state lithium battery provided by the embodiment of the present disclosure
- FIG. 7 is a positive electrode current collector layer, a positive electrode layer,
- the number of the electrolyte layer, the negative electrode layer, and the negative electrode current collector layer are all two as an example.
- FIG. 8 shows that the number of the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, and the negative electrode current collector layer are two, and the negative electrode layer. The number is illustrated for one. It should be noted that both FIG. 7 and FIG. 8 are described by using two-layer lithium batteries as an example.
- the two-layer lithium battery can be formed by sharing a negative current collector layer.
- the first and second lithium batteries can share a negative current collector layer, and the second and The third layer may share a positive current collector layer.
- the positive electrode current collector layer 21, the positive electrode layer 22, the electrolyte layer 23, the negative electrode layer 24, and the negative electrode current collector layer 25 in the lithium battery cell are sequentially disposed on the substrate 10.
- the all-solid-state lithium battery provided by the embodiment of the present disclosure further includes: a packaging layer 27 disposed on the lithium battery unit.
- the packaging layer provided in the embodiments of the present disclosure can greatly improve the battery's ability to prevent air and water vapor penetration, and extend the battery's use and storage life.
- the packaging material is made of aluminum oxide, silicon oxide, or silicon nitride.
- the structure of a multilayer lithium battery may be formed by simply stacking a plurality of single-layer lithium batteries, wherein two adjacent lithium batteries are separated by a packaging layer, and the packaging layers are provided on each layer of lithium.
- the battery's negative current collector may be used to form a multilayer lithium battery.
- the structure of the multilayer lithium battery may also be formed by two adjacent layers sharing a negative current collector or a positive current collector, wherein the packaging layer is disposed on the top lithium battery, and when the number of layers of the lithium battery is If the number is an even number, the encapsulation layer is disposed on the positive current collector of the top-level lithium battery, but when the number of layers of the lithium battery is odd, the encapsulation layer is disposed on the negative current collector of the top-level lithium battery.
- FIG. 9 is a first schematic diagram of the structure of an all-solid-state lithium battery provided by an embodiment of the present disclosure
- FIG. 10 is a second schematic diagram of the structure of an all-solid-state lithium battery provided by an embodiment of the present disclosure.
- the all-solid-state lithium battery provided by the example further includes a first electrode AA and a second electrode BB provided on the substrate 10.
- the first electrode is a positive electrode
- the second electrode is a negative electrode
- the first electrode and the second electrode are respectively disposed on both sides of the substrate.
- the embodiments of the present disclosure do not specifically limit the positions of the first electrode and the second electrode.
- FIG. 11 is a side view corresponding to FIG. 9, and as shown in FIGS. 3G, 3H, and 11, the all-solid-state lithium battery according to the embodiment of the present disclosure further includes a first connection layer 31 and a second Connection layer 32.
- the first connection layer 31 is disposed on the same layer as the positive electrode current collector layer 21, and is used to connect the positive electrode current collector layer and the first The positive electrode current collector layer and the first electrode of a row of lithium battery cells;
- the second connection layer 32 is provided on the same layer as the negative electrode current collector layer, and is used to connect the negative electrode current collector layer of adjacent lithium battery cells and the last row of lithium battery cells. Negative electrode current collector layer and second electrode.
- FIG. 12 is a side view corresponding to FIG. 10.
- the all-solid-state lithium battery according to the embodiment of the present disclosure further includes a first connection layer 31 and a second connection layer. 32.
- the first connection layer 31 is provided on the same layer as the positive electrode current collector layer, and is used to connect the positive electrode current collector layer and the first electrode of each lithium battery cell;
- the second connection layer 32 is provided on the same layer as the negative electrode current collector layer. Used to connect the negative electrode current collector layer and the second electrode of each lithium battery cell.
- the all-solid-state lithium battery further includes: an insulating layer 26 provided on the substrate 10.
- the isolation layer 26 is used to isolate the positive electrode current collector layer, the positive electrode layer, the electrolyte layer, and the negative electrode layer of adjacent lithium battery cells.
- the lithium atom in the positive electrode layer of each lithium battery cell loses one electron and becomes a lithium atom.
- the lithium atom passes through the electrolyte layer of the lithium battery cell to the negative electrode layer. Migrate and combine with external electrons in the negative electrode layer to generate lithium atoms and store in the negative electrode layer. That is, when charging, current flows to the positive layer, and when discharging, the process is reversed, and current flows to the negative layer.
- the interval between adjacent lithium battery cells is 1 to 100 micrometers. It should be noted that adjacent lithium battery cells include: adjacent rows of lithium battery cells and adjacent columns of lithium battery cells, and adjacent lithium battery cells. The interval may be the same or different, which is not specifically limited in the embodiment of the present disclosure.
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
Claims (16)
- 一种全固态锂电池的制备方法,包括:提供一基板;在所述基板上形成M行×N列的锂电池单元;其中,每个锂电池单元包括:正极集流体层、正极层、电解质层、负极层和负极集流体层,M≥1,N≥1,且M与N不同时为1。
- 根据权利要求1所述的方法,还包括:在所述基板上形成第一电极和第二电极。
- 根据权利要求2所述的方法,其中,所述在所述基板上形成M行×N列的锂电池单元包括:在所述基板上形成M行×N列的锂电池单元的正极集流体层以及第一连接层,所述第一连接层用于连接相邻锂电池单元的正极集流体层和连接第一列锂电池单元的正极集流体层与第一电极;在所述正极集流体层上依次形成正极层、电解质层和负极层;在基板上形成用于隔绝相邻锂电池单元的的隔绝层;在所述负极层和隔绝层上形成负极集流体层以及第二连接层,所述第二连接层用于连接相邻锂电池单元的负极集流体层和连接最后一列锂电池单元的负极集流体层和第二电极。
- 根据权利要求2所述的方法,其中,所述在所述基板上形成M行×N列的锂电池单元包括:在所述基板上形成M行×N列的锂电池单元的正极集流体层以及第一连接层,所述第一连接层用于连接每个锂电池单元的正极集流体层和第一电极;在所述正极集流体层上依次形成正极层、电解质层和负极层;在基板上形成用于隔绝相邻锂电池单元的隔绝层;在所述负极层和所述隔绝层上形成负极集流体层以及第二连接层,所述 第二连接层用于连接每个锂电池单元的负极集流体层和第二电极。
- 根据权利要求3或4所述的方法,其中,在所述基板上形成M行×N列的锂电池单元的正极集流体层以及第一连接层包括:在所述基板上沉积正极集流体薄膜,通过激光工艺或者光刻工艺对所述正极集流体薄膜进行刻蚀形成正极集流体层和第一连接层;或者,在所述基板上采用第一掩膜板通过蒸镀工艺形成M行×N列的锂电池单元的正极集流体层;采用第二掩膜板通过蒸镀工艺形成第一连接层。
- 根据权利要求3或4所述的方法,其中,在所述负极层和所述隔绝层上形成负极集流体层以及第二连接层包括:在所述负极层和所述隔绝层上沉积负极集流体薄膜,通过激光工艺对所述负极集流体薄膜进行刻蚀形成负极集流体层和第二连接层;或者,在所述负极层和所述隔绝层上采用第一掩膜板通过蒸镀工艺形成负极集流体层;采用第二掩膜板通过蒸镀工艺形成第二连接层。
- 根据权利要求1-6任一所述的方法,还包括:在所述锂电池单元上形成封装层。
- 一种全固态锂电池,包括:基板和设置在所述基板上的M行×N列的锂电池单元;其中,每个锂电池单元包括:正极集流体层、正极层、电解质层、负极层和负极集流体层,M≥1,N≥1,且M与N不同时为1。
- 根据权利要求8所述的全固态锂电池,还包括:设置在所述基板上的第一电极和第二电极。
- 根据权利要求9所述的全固态锂电池,还包括:第一连接层和第二连接层;其中,所述第一连接层,与所述正极集流体层同层设置,用于连接相邻锂电池单元的正极集流体层和连接第一列锂电池单元的正极集流体层与第一电极;所述第二连接层,与所述负极集流体层同层设置,用于连接相邻锂电池单元的负 极集流体层和连接最后一列锂电池单元的负极集流体层和第二电极。
- 根据权利要求9所述的全固态锂电池,还包括:第一连接层和第二连接层;其中,所述第一连接层,与所述正极集流体层同层设置,用于连接每个锂电池单元的正极集流体层和第一电极;所述第二连接层,与所述负极集流体层同层设置用于连接每个锂电池单元的负极集流体层和第二电极。
- 根据权利要求10或11所述的全固态锂电池,还包括:设置在基板上的隔绝层;所述隔绝层用于隔绝相邻锂电池单元的正极集流体层、正极层、电解质层和负极层。
- 根据权利要求8-12中任一所述的全固态锂电池,其中,相邻锂电池单元之间的间隔为1~100微米。
- 根据权利要求8-12中任一所述的全固态锂电池,还包括:封装层;所述封装层设置在所述锂电池单元上。
- 根据权利要求8-12中任一所述的全固态锂电池,其中,所述全固态锂电池包括多层所述M行×N列的锂电池单元的叠加结构,相邻两层锂电池通过封装层隔开,封装层均在每层锂电池的负极集流体上。
- 根据权利要求8-12中任一所述的全固态锂电池,其中,所述全固态锂电池包括多层所述M行×N列的锂电池单元的叠加结构,相邻两层的锂电池共用负极集流体或正极集流体,封装层设置在顶层锂电池上,当所述锂电池的层数为偶数,则封装层设置在顶层锂电池的正极集流体上,但所述锂电池的层数为奇数时,封装层设置在顶层锂电池的负极集流体上。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/629,074 US11594763B2 (en) | 2018-07-26 | 2019-04-24 | All-solid lithium battery and method for manufacturing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810835143.2A CN109004283B (zh) | 2018-07-26 | 2018-07-26 | 一种全固态锂电池及其制备方法 |
CN201810835143.2 | 2018-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020019784A1 true WO2020019784A1 (zh) | 2020-01-30 |
Family
ID=64598147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2019/084125 WO2020019784A1 (zh) | 2018-07-26 | 2019-04-24 | 一种全固态锂电池及其制备方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11594763B2 (zh) |
CN (1) | CN109004283B (zh) |
WO (1) | WO2020019784A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109004283B (zh) | 2018-07-26 | 2022-02-01 | 京东方科技集团股份有限公司 | 一种全固态锂电池及其制备方法 |
CN109830757B (zh) * | 2019-01-18 | 2021-03-16 | 京东方科技集团股份有限公司 | 全固态锂电池及其制备方法 |
CN109818047B (zh) * | 2019-01-24 | 2021-03-05 | 深圳市致远动力科技有限公司 | 具有微纳结构的全固态薄膜锂电池的制备方法 |
CN109817972A (zh) * | 2019-01-24 | 2019-05-28 | 深圳市致远动力科技有限公司 | 具有微纳结构的全固态薄膜锂电池 |
US20210218053A1 (en) * | 2019-02-21 | 2021-07-15 | Boe Technology Group Co., Ltd. | Lithium ion battery and method for preparing lithium ion battery |
CN109860677A (zh) * | 2019-04-09 | 2019-06-07 | 深圳市致远动力科技有限公司 | 以阳电极为支撑体的电池的制作方法 |
CN109841882B (zh) * | 2019-04-09 | 2021-03-02 | 深圳市致远动力科技有限公司 | 基于支撑结构的固态燃料电池的制作方法 |
KR20220096935A (ko) * | 2020-12-31 | 2022-07-07 | 삼성전기주식회사 | 전고체 전지 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1532982A (zh) * | 2003-03-20 | 2004-09-29 | ���µ�����ҵ��ʽ���� | 组合电池 |
CN103378337A (zh) * | 2012-04-17 | 2013-10-30 | 株式会社半导体能源研究所 | 蓄电装置以及其制造方法 |
US20150221974A1 (en) * | 2014-02-04 | 2015-08-06 | Kalptree Energy, Inc. | Battery reinforced polymer composite smart structure |
CN109004283A (zh) * | 2018-07-26 | 2018-12-14 | 京东方科技集团股份有限公司 | 一种全固态锂电池及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120216394A1 (en) * | 2009-11-02 | 2012-08-30 | Toyota Jidosha Kabushiki Kaisha | Method for producing solid electrolyte battery |
US9136544B2 (en) * | 2010-03-11 | 2015-09-15 | Harris Corporation | Dual layer solid state batteries |
US20170301926A1 (en) * | 2016-04-14 | 2017-10-19 | Applied Materials, Inc. | System and method for maskless thin film battery fabrication |
CN207601282U (zh) * | 2017-12-19 | 2018-07-10 | 成都亦道科技合伙企业(有限合伙) | 基底装置和锂电池材料高通量筛选设备 |
-
2018
- 2018-07-26 CN CN201810835143.2A patent/CN109004283B/zh active Active
-
2019
- 2019-04-24 US US16/629,074 patent/US11594763B2/en active Active
- 2019-04-24 WO PCT/CN2019/084125 patent/WO2020019784A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1532982A (zh) * | 2003-03-20 | 2004-09-29 | ���µ�����ҵ��ʽ���� | 组合电池 |
CN103378337A (zh) * | 2012-04-17 | 2013-10-30 | 株式会社半导体能源研究所 | 蓄电装置以及其制造方法 |
US20150221974A1 (en) * | 2014-02-04 | 2015-08-06 | Kalptree Energy, Inc. | Battery reinforced polymer composite smart structure |
CN109004283A (zh) * | 2018-07-26 | 2018-12-14 | 京东方科技集团股份有限公司 | 一种全固态锂电池及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
US20210226256A1 (en) | 2021-07-22 |
US11594763B2 (en) | 2023-02-28 |
CN109004283B (zh) | 2022-02-01 |
CN109004283A (zh) | 2018-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020019784A1 (zh) | 一种全固态锂电池及其制备方法 | |
TWI796295B (zh) | 於電極與電解質層間具有中間層之能量儲存元件 | |
US10593985B2 (en) | Amorphous cathode material for battery device | |
TWI603524B (zh) | 堆疊式二次電池 | |
US20190088996A1 (en) | Multiple active and inter layers in a solid-state device | |
US20170149093A1 (en) | Configurations of solid state thin film batteries | |
JP2007103129A (ja) | 薄膜固体二次電池および薄膜固体二次電池の製造方法 | |
US9472826B2 (en) | Thin film battery structure and manufacturing method thereof | |
CN111435756A (zh) | 锂电池及其制备方法和应用 | |
US9520615B2 (en) | Thin film battery having improved battery performance through substrate surface treatment and method for manufacturing same | |
JP5821270B2 (ja) | 固体電解質電池および正極活物質 | |
WO2020038247A1 (zh) | 全固态锂电池及其制备方法 | |
JP5415099B2 (ja) | 薄膜固体二次電池の製造方法 | |
TWI577072B (zh) | 雙面式全固態薄膜鋰電池及其製作方法 | |
JP2013127861A (ja) | 二次電池 | |
TWI665817B (zh) | 二次電池 | |
JP2014229502A (ja) | 積層型全固体電池の製造方法 | |
TW201717462A (zh) | 電化學元件中的黏著性增進 | |
KR20140073924A (ko) | 다중 접합 박막 전지 및 그 제조 방법 | |
KR101417575B1 (ko) | 배터리 분리 방법 및 이를 이용한 배터리 제조방법 | |
KR102639668B1 (ko) | 다층 구조의 고체 전해질 및 이를 포함하는 전고체 박막 전지 | |
US10923690B2 (en) | Thin film battery, thin film battery manufacturing method and refined microcrystalline electrode manufacturing method | |
WO2019102668A1 (ja) | リチウムイオン二次電池、リチウムイオン二次電池の積層構造、リチウムイオン二次電池の製造方法 | |
JP2010182643A (ja) | 薄膜固体二次電池および薄膜固体二次電池の製造法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19842112 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19842112 Country of ref document: EP Kind code of ref document: A1 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19842112 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 15-10-2021) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19842112 Country of ref document: EP Kind code of ref document: A1 |