CN210692701U - Solid-state battery and production equipment thereof - Google Patents
Solid-state battery and production equipment thereof Download PDFInfo
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- CN210692701U CN210692701U CN201921477975.8U CN201921477975U CN210692701U CN 210692701 U CN210692701 U CN 210692701U CN 201921477975 U CN201921477975 U CN 201921477975U CN 210692701 U CN210692701 U CN 210692701U
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- 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
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- 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
Abstract
The utility model discloses a solid-state battery, including anodal, negative pole and solid-state electrolyte, contain in the solid-state electrolyte and be used for preventing the granule of contact short circuit between anodal and the negative pole. The utility model also discloses a solid-state battery production technology and production facility. The utility model discloses a solid-state battery through set up the granule between positive pole and negative pole, can separate positive pole and negative pole on the physical aspect, also can guarantee that the contact short circuit can not appear all the time between positive pole and the negative pole, therefore in the preparation solid state electrolyte, can conveniently control solid state electrolyte's thickness, can do solid state electrolyte more thinly and do not worry the problem of positive pole and negative pole short circuit.
Description
Technical Field
The utility model belongs to the technical field of energy storage equipment, specific be a solid-state battery and production facility thereof.
Background
Solid state batteries are a battery technology. Unlike lithium ion batteries and lithium ion polymer batteries that are currently in widespread use, a solid-state battery is a battery that uses a solid electrode and a solid electrolyte. The traditional liquid lithium battery is also called as a rocking chair type battery by scientists visually, wherein two ends of the rocking chair are provided with the positive pole and the negative pole of the battery, and the middle part of the rocking chair is provided with electrolyte (liquid). The lithium ions run back and forth at the two ends of the rocking chair just like excellent athletes, and the charging and discharging process of the battery is completed in the movement process of the lithium ions from the positive pole to the negative pole and then to the positive pole. The principle of the solid-state battery is the same as that of the solid-state battery, but the electrolyte is solid, and the density and the structure of the solid-state battery can enable more charged ions to be gathered at one end to conduct larger current, so that the battery capacity is improved. Therefore, the solid-state battery will become smaller in volume for the same amount of power. Moreover, because the solid-state battery has no electrolyte, the sealing is easier, and when the solid-state battery is used on large-scale equipment such as automobiles, cooling pipes, electronic controls and the like do not need to be additionally arranged, so that the cost is saved, and the weight can be effectively reduced.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a solid-state battery and a manufacturing apparatus thereof, which can effectively control the thickness of a solid-state electrolyte by using a particle space, so that the thickness of the solid-state electrolyte can be thinner without worrying about the short circuit between a positive electrode and a negative electrode.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses at first provide a solid-state battery, including anodal, negative pole and solid-state electrolyte, contain in the solid-state electrolyte and be used for preventing the granule of contact short circuit between anodal and the negative pole.
Further, the particle diameter of the particles is equal to or less than the thickness of the solid electrolyte.
Further, the particles are made of an electronically insulating material.
Further, the particles are employed with, but not limited to, inorganic oxide particles, iodide ions, bromide ions, or astatine ions.
Further, the inorganic oxide particles employ, but are not limited to, Li1.5Al0.5Ti1.5P3O12、Li1.5Al0.5Ge1.5P3O12、Li6.5La3Zr1.5Ta0.5O12、Li6.5La3Zr1.5Nb0.5O12、Li6.28Al0.24La3Zr2O12、Li6.40Ga0.20La3Zr2O12、Li0.45La0.55TiO3Or LixPOyNzAnd (4) preparing.
Further, the positive electrode is made of, but not limited to, lithium iron phosphate, a ternary material, a sulfur-containing conductive material, a porous carbon layer air battery electrode containing metal or an organic material, a layered metal oxide material or an oxygen-containing organic polymer material;
the negative electrode is made of but not limited to metal lithium, metal sodium, metal aluminum, metal magnesium, metal potassium, graphene, hard carbon, silicon oxide or silicon simple substance;
the solid electrolyte is made of one or a mixture of at least two of gel, oxide, sulfide and organic polymer.
The utility model also provides a production facility of the solid-state battery, which comprises a compound mechanism, a first unwinding mechanism for unwinding the anode strip and a second unwinding mechanism for unwinding the cathode strip;
the composite mechanism comprises a composite roller set for combining the positive strip, the negative strip and the solid electrolyte into a whole, and the composite roller set comprises two composite rollers which are correspondingly arranged;
a first guide roller set used for guiding the positive pole strip to one of the compound rollers is arranged between the first unreeling mechanism and the compound roller set, and a second guide roller set used for guiding the negative pole strip to the other compound roller is arranged between the second unreeling mechanism and the compound roller set; a material spraying device for uniformly spraying the particles on the corresponding positive strip and/or negative strip is arranged between the first unwinding mechanism and the composite roller set and/or between the second unwinding mechanism and the composite roller set;
and a feeding device for adding the colloidal solid electrolyte is arranged on the feeding side of the two composite rollers.
Further, a distance adjusting mechanism for adjusting the distance between the rollers is arranged between the two composite rollers.
Further, a negative pressure cavity is arranged in the composite roller, and negative pressure suction holes communicated with the negative pressure cavity are formed in the surface array of the composite roller.
Further, a coating device used for coating a layer of colloidal solid electrolyte on the surface of the positive strip and/or the negative strip is arranged between the first unwinding mechanism and the composite roller set and/or between the second unwinding mechanism and the composite roller set; or, the device also comprises a mixing device for mixing the particles with the colloidal solid electrolyte and coating the particles with a layer of viscous solid electrolyte.
Further, the axes of the two composite rollers are parallel to each other and are positioned on the same horizontal plane, and the feeding device is arranged above the two composite rollers; the first guide roller group guides the positive pole strip to enter between the two composite rollers from the upper parts of the two composite rollers, and the second guide roller group guides the negative pole strip to enter between the two composite rollers from the upper parts of the two composite rollers.
Further, the feeding device comprises a material guiding plate and a solid electrolyte feeding mechanism for injecting the colloidal electrolyte, and the solid electrolyte feeding mechanism comprises:
when the material spraying device is arranged between the first unwinding mechanism and the composite roller set and the material spraying device is not arranged between the second unwinding mechanism and the composite roller set, the feeding mechanism is arranged on one side, facing the negative strip, of the material guiding plate;
when the material spraying device is not arranged between the first unwinding mechanism and the composite roller set and the material spraying device is arranged between the second unwinding mechanism and the composite roller set, the feeding mechanism is arranged on one side, facing the positive strip, of the material guiding plate;
when the material spraying device is arranged between the first unwinding mechanism and the composite roller set and between the second unwinding mechanism and the composite roller set, the number of the material guiding plates is two, the two material guiding plates are respectively arranged corresponding to the anode strip and the cathode strip, and the material feeding mechanism is arranged between the two material guiding plates.
Further, the feeding device further comprises a feeding roller for driving the colloidal solid electrolyte to be fed towards the feeding side of the composite roller set.
Furthermore, the feeding side of the composite roller set is provided with a composite temperature control area for keeping the solid electrolyte in a colloid state, and the discharging side of the composite roller set is provided with a shaping temperature control area for gradually cooling and shaping the solid electrolyte.
Furthermore, the shaping temperature control area comprises at least one shaping temperature control subarea, and the temperature in the shaping temperature control subarea positioned on the upstream side is greater than or equal to the temperature in the shaping temperature control subarea positioned on the downstream side between any two shaping temperature control subareas.
Furthermore, at least one set of shaping control roller set used for controlling the shaping quality of the solid-state battery is arranged in each shaping temperature control subarea.
The beneficial effects of the utility model reside in that:
the utility model discloses a solid-state battery through set up the granule between positive pole and negative pole, can separate positive pole and negative pole on the physical aspect, also can guarantee that the contact short circuit can not appear all the time between positive pole and the negative pole, therefore in the preparation solid state electrolyte, can conveniently control solid state electrolyte's thickness, can do solid state electrolyte more thinly and do not worry the problem of positive pole and negative pole short circuit.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural view of a solid-state battery according to the present invention;
fig. 2 is a first schematic structural diagram of the solid-state battery production apparatus of the present invention;
fig. 3 is a second schematic structural diagram of the solid-state battery production apparatus of the present invention;
fig. 4 is a schematic diagram of a third structure of the solid-state battery production apparatus of the present invention.
Description of reference numerals:
1-positive electrode; 2-a negative electrode; 3-a solid electrolyte; 4-granules; 5-positive strip; 6-negative pole strip material;
10-a compound mechanism; 20-a first unwinding mechanism; 21-a first guide roller set; 30-a second unwinding mechanism; 31-a second guide roller set;
40-a material spraying device; 41-thickness control device;
51-a primer plate; 52-a feeding mechanism; 53-a feed roll;
61-a brush roll; 62-a spraying device; 63-diffuse reflective surface; 64-a material spraying device; 65-coating roll;
71-shaping temperature control subareas; 72-shaping control roller set;
80-a winding mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1, it is a schematic structural diagram of the solid-state battery of the present invention. The solid-state battery of the present embodiment includes a positive electrode 1, a negative electrode 2, and a solid-state electrolyte 3, and particles 4 for preventing contact short between the positive electrode 1 and the negative electrode 2 are contained in the solid-state electrolyte 3.
Specifically, the particle diameter of the particles 4 is generally set to be equal to or less than the thickness of the solid electrolyte 3, and the particle diameter of the particles 4 of the present embodiment is equal to the thickness of the solid electrolyte 3, which can effectively prevent a contact short circuit between the positive electrode 1 and the negative electrode 2.
Further, the particles 4 are made of an electrically insulating material, that is, the particles 4 may be made of an electrically insulating and ion insulating material, and at this time, a gap between the particles 4 is required to be large so as to avoid affecting the ion conductivity of the solid electrolyte 3. The particles may also be made of an electronically insulating but ionically conducting material in order to avoid as much as possible an influence on the ionic conductivity of the solid-state electrolyte 3. Preferably, particles 4 are inorganic oxide particles, iodide ions, bromide ions, or astatine ions, but are not limited thereto. The particles 4 of the present embodiment are inorganic oxide particles, and specifically, the inorganic oxide particles are, but not limited to, Li1.5Al0.5Ti1.5P3O12、Li1.5Al0.5Ge1.5P3O12、Li6.5La3Zr1.5Ta0.5O12、Li6.5La3Zr1.5Nb0.5O12、Li6.28Al0.24La3Zr2O12、Li6.40Ga0.20La3Zr2O12、Li0.45La0.55TiO3Or LixPOyNzThe inorganic oxide particles of this embodiment are made of electrolyte ceramics, which have electronic insulation properties and can conduct ions, and the particle size of the ceramic particles can be set as required, which can meet the requirement of isolating the positive electrode 1 from the negative electrode 2.
Further, the positive electrode 1 is made of, but not limited to, lithium iron phosphate, ternary materials, sulfur-containing conductive materials, porous carbon layer air battery electrodes containing metal or organic materials, layered metal oxide materials or oxygen-containing organic polymer materials; the negative electrode 2 is made of, but not limited to, metal lithium, metal sodium, metal aluminum, metal magnesium, metal potassium, graphene, hard carbon, silicon oxide or silicon simple substance; the solid electrolyte 3 is made of one or a mixture of at least two of gel, oxide, sulfide, and organic polymer. The materials used for the positive electrode 1, the negative electrode 2, and the solid electrolyte 3 are the same as those used in the prior art, and will not be described again.
The solid-state battery of this embodiment, through set up the granule between positive pole and negative pole, can separate positive pole and negative pole on the physical aspect, also can guarantee that the contact short circuit can not appear between positive pole and the negative pole all the time, therefore when preparation solid-state electrolyte, can conveniently control solid-state electrolyte's thickness, can make solid-state electrolyte thinner and do not worry the problem of positive pole and negative pole short circuit.
Example 2
As shown in fig. 2, it is a schematic structural diagram of the solid-state battery production equipment of the present invention. The production equipment of the solid-state battery in the embodiment comprises a compound mechanism 10, a first unwinding mechanism 20 for unwinding a positive strip 5, a second unwinding mechanism 30 for unwinding a negative strip 6, and a winding mechanism 80; specifically, the composite mechanism 10 includes a composite roller set for combining the positive strip 5, the negative strip 6 and the solid electrolyte 3 into a whole, and the composite roller set includes two composite rollers correspondingly arranged; a first guide roller set 21 for guiding the positive pole strip 5 to one of the compound rollers is arranged between the first unreeling mechanism 20 and the compound roller set, and a second guide roller set 31 for guiding the negative pole strip 6 to the other compound roller is arranged between the second unreeling mechanism 30 and the compound roller set; a material spraying device 40 for uniformly spraying particles 4 on the corresponding positive strip 5 and/or negative strip 6 is arranged between the first unwinding mechanism 20 and the composite roller set and/or between the second unwinding mechanism 30 and the composite roller set; and a feeding device for adding colloidal solid electrolyte 3 is arranged on the feeding side of the two composite rollers.
Specifically, a distance adjusting mechanism for adjusting the distance between the two composite rolls is arranged between the two composite rolls and used for controlling the thickness of the solid electrolyte 3. Specifically, be equipped with the negative pressure chamber in the compound roller of this embodiment, the surface array of compound roller is equipped with the negative pressure suction hole that is linked together with the negative pressure chamber, so, can adsorb anodal strip 5 and negative pole strip 6 on the compound roller that corresponds through the mode that the negative pressure is attracted, can carry out accurate control to anodal strip 5 and negative pole strip 6 position in the composite process to the thickness of accurate control solid state electrolyte 3.
A coating device for coating a layer of colloidal solid electrolyte on the surface of the positive strip 5 and/or the negative strip 6 is arranged between the first unwinding mechanism 20 and the composite roller set and/or between the second unwinding mechanism 30 and the composite roller set; the coating device can be realized in various ways, such as: the solid electrolyte 3 is coated on the positive strip 5 or the negative strip 6 by using a brush roller 61, as shown in fig. 2; the solid electrolyte 3 is sprayed on the anode strip 5 or the cathode strip 6 by using a spraying device 62 and a diffuse reflection surface 63, specifically, the spraying device 62 sprays liquid solid electrolyte to the diffuse reflection surface 63, the liquid solid electrolyte is atomized after being diffusely reflected by the diffuse reflection surface 63, and then is uniformly sprayed on the anode strip 5 or the cathode strip 6, as shown in fig. 3; the solid electrolyte 3 is directly sprayed on the anode strip 5 or the cathode strip 6 by adopting a material spraying device 64, and the material spraying device 64 can be a linear type spray head or an atomizing spray head, which is not described in detail again, as shown in fig. 4; the solid electrolyte 3 is coated on the positive electrode strip 5 or the negative electrode strip 6 using a coating roll 65, as shown in fig. 4. In practical operation, the viscosity of the solid electrolyte can be adjusted to be low in the coating device so as to meet the use requirements of different coating modes, and the description is not repeated. By providing the coating device, the viscosity of the positive electrode strip 5 or the negative electrode strip 6 can be increased, so that the particles can be bonded to prevent the particles from falling off. Of course, a thickness control device 41 may also be provided between the coating device and the powder spraying device 40 for controlling the thickness of the layer of gelled solid electrolyte applied by the coating device.
Of course, other ways to adhere the particles to the positive electrode strip 5 or the negative electrode strip 6 can be used, such as using a mixing device for mixing the particles with the colloidal solid electrolyte and coating the particles with a layer of the viscous solid electrolyte, and after coating the particles with a layer of the viscous solid electrolyte, spraying the particles on the positive electrode strip 5 or the negative electrode strip 6 by using the spraying device 40, so as to achieve the technical purpose of adhering the particles 4.
Further, the axes of the two composite rollers of the embodiment are parallel to each other and are positioned on the same horizontal plane, and the feeding device is arranged above the two composite rollers; the first guide roller group 21 guides the positive strip 5 to enter between the two composite rollers from above the two composite rollers, and the second guide roller group 31 guides the negative strip 6 to enter between the two composite rollers from above the two composite rollers.
Further, the charging device includes a feed plate 51 and a solid electrolyte charging mechanism 52 for injecting the gel, and: when the material spraying device 40 is arranged between the first unwinding mechanism 20 and the composite roller set and the material spraying device is not arranged between the second unwinding mechanism 30 and the composite roller set, the feeding mechanism 52 is arranged on one side of the material guiding plate 51 facing the negative electrode strip 6, as shown in fig. 2;
when the material spraying device is not arranged between the first unwinding mechanism 20 and the composite roller set and the material spraying device 40 is arranged between the second unwinding mechanism 30 and the composite roller set, the feeding mechanism 52 is arranged on one side of the material guiding plate 51 facing the anode strip 5, as shown in fig. 3;
when the material spraying devices 40 are arranged between the first unwinding mechanism 20 and the composite roller set and between the second unwinding mechanism 30 and the composite roller set, two material guiding plates 51 are arranged, the two material guiding plates 51 are respectively arranged corresponding to the anode strip 5 and the cathode strip 6, and the feeding mechanism is arranged between the two material guiding plates 51, as shown in fig. 4.
Further, the feeding device further comprises a feeding roller 53 for driving the colloidal solid electrolyte to be fed towards the feeding side of the composite roller group, and the colloidal solid electrolyte is driven to be fed, so that the product quality is improved.
Furthermore, the feeding side of the composite roller group is provided with a composite temperature control area 11 for keeping the solid electrolyte in a colloid state, and the discharging side is provided with a shaping temperature control area for gradually cooling and shaping the solid electrolyte. The shaping temperature control zone of the embodiment includes at least one shaping temperature control sub-zone 71, and between any two shaping temperature control sub-zones 71, the temperature in the shaping temperature control sub-zone 71 located on the upstream side is greater than or equal to the temperature in the shaping temperature control sub-zone 71 located on the downstream side, and at least one set of shaping control roller set 72 for controlling the shaping quality of the solid-state battery is arranged in each shaping temperature control sub-zone 71, so that the solid-state electrolyte can be gradually cooled to be solidified, and the shaping quality of the solid-state battery can be improved.
A specific embodiment of the production method of the solid-state battery of the present embodiment will be described in detail below with reference to the above-described production apparatus of the solid-state battery.
The method for producing the solid-state battery of the embodiment includes:
a powder spraying step of uniformly spraying particles 4 on the surface of the positive strip 5 and/or the negative strip 6;
a compounding step of compounding the positive electrode strip 5, the negative electrode strip 6 and the solid electrolyte 3 into a whole to obtain a solid battery;
in the compounding step, the positive electrode strip 5 is guided to one of the compound rolls by the first guide roll group 21, the negative electrode strip 6 is guided to the other compound roll by the second guide roll group 31, the colloidal solid electrolyte 3 is added to the feed side of the compound roll group, the positive electrode strip 5, the negative electrode strip 6 and the solid electrolyte 3 are compounded into a whole by the compound roll group, and the solid electrolyte is filled in the gap between the positive electrode strip 5 and the negative electrode strip 6 to obtain the solid battery.
In the embodiment, a coating process for coating a layer of colloidal solid electrolyte on the surface of the positive strip 5 and/or the negative strip 6 is further provided before the powder spraying process, so that the surface of the positive strip 5 and/or the negative strip 6 has the viscosity of being adhered with the particles 4; or, a mixing process for increasing the viscosity of the particles is also arranged before the powder spraying process, the particles are mixed with the solid electrolyte, and a layer of solid electrolyte layer with viscosity is coated on the particles. Specifically, the coating process can be implemented in various ways, such as: the solid electrolyte 3 is coated on the positive strip 5 or the negative strip 6 by using a brush roller 61, as shown in fig. 2; the solid electrolyte 3 is sprayed on the anode strip 5 or the cathode strip 6 by using a spraying device 62 and a diffuse reflection surface 63, specifically, the spraying device 62 sprays liquid solid electrolyte to the diffuse reflection surface 63, the liquid solid electrolyte is atomized after being diffusely reflected by the diffuse reflection surface 63, and then is uniformly sprayed on the anode strip 5 or the cathode strip 6, as shown in fig. 3; the solid electrolyte 3 is directly sprayed on the anode strip 5 or the cathode strip 6 by adopting a material spraying device 64, and the material spraying device 64 can be a linear type spray head or an atomizing spray head, which is not described in detail again, as shown in fig. 4; the solid electrolyte 3 is coated on the positive electrode strip 5 or the negative electrode strip 6 using a coating roll 65, as shown in fig. 4. In practical operation, the viscosity of the solid electrolyte can be adjusted to be low in the coating device so as to meet the use requirements of different coating modes, and the description is not repeated. By providing the coating device, the viscosity of the positive electrode strip 5 or the negative electrode strip 6 can be increased, so that the particles can be bonded to prevent the particles from falling off.
Further, the roll gap between the two composite rolls is adjusted to a set value, and the positive strip 5 and the negative strip 6 are tightly attached to the corresponding composite rolls by utilizing negative pressure suction. Therefore, the positive strip 5 and the negative strip 6 can be adsorbed on the corresponding composite rollers in a negative pressure suction mode, and the positions of the positive strip 5 and the negative strip 6 in the composite process can be accurately controlled so as to accurately control the thickness of the solid electrolyte 3.
Further, the temperature in the composite step is controlled so that the solid electrolyte remains colloidal, and in this example, a composite temperature control zone 11 for maintaining the solid electrolyte in colloidal state is provided on the feed side of the composite roll group.
Further, the method for producing a solid-state battery of this embodiment further includes a shaping step of gradually cooling and shaping the solid-state battery produced by the composite step. And a shaping temperature control area is arranged in the shaping procedure, the shaping temperature control area comprises at least one shaping temperature control subarea, and the temperature in the shaping temperature control subarea positioned on one side of the upstream is more than or equal to the temperature in the shaping temperature control subarea positioned on one side of the downstream between any two shaping temperature control subareas. At least one shaping control roller set used for controlling the shaping thickness of the solid-state battery is arranged in each shaping temperature control subarea.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (16)
1. A solid-state battery comprising a positive electrode, a negative electrode, and a solid-state electrolyte, characterized in that: particles for preventing contact short circuit between the positive electrode and the negative electrode are contained in the solid electrolyte.
2. The solid-state battery according to claim 1, characterized in that: the particle diameter of the particles is equal to or less than the thickness of the solid electrolyte.
3. The solid-state battery according to claim 1 or 2, characterized in that: the particles are made of an electronically insulating material.
4. The solid-state battery according to claim 3, characterized in that: the particles are used, but not limited to, inorganic oxide particles, iodide ions, bromide ions, or astatine ions.
5. The solid-state battery according to claim 4, characterized in that: the inorganic oxide particles are taken to be but not limited to Li1.5Al0.5Ti1.5P3O12、Li1.5Al0.5Ge1.5P3O12、Li6.5La3Zr1.5Ta0.5O12、Li6.5La3Zr1.5Nb0.5O12、Li6.28Al0.24La3Zr2O12、Li6.40Ga0.20La3Zr2O12、Li0.45La0.55TiO3Or LixPOyNzAnd (4) preparing.
6. The solid-state battery according to claim 1 or 2, characterized in that:
the anode is made of, but not limited to, lithium iron phosphate, a ternary material, a sulfur-containing conductive material, a porous carbon layer air battery electrode containing metal or an organic material, a layered metal oxide material or an oxygen-containing organic polymer material;
the negative electrode is made of but not limited to metal lithium, metal sodium, metal aluminum, metal magnesium, metal potassium, graphene, hard carbon, silicon oxide or silicon simple substance;
the solid electrolyte is made of one of gel, oxide, sulfide and organic polymer.
7. A production apparatus for a solid-state battery according to any one of claims 1 to 6, characterized in that: the device comprises a composite mechanism, a first unwinding mechanism for unwinding a positive strip and a second unwinding mechanism for unwinding a negative strip;
the composite mechanism comprises a composite roller set for combining the positive strip, the negative strip and the solid electrolyte into a whole, and the composite roller set comprises two composite rollers which are correspondingly arranged;
a first guide roller set used for guiding the positive pole strip to one of the compound rollers is arranged between the first unreeling mechanism and the compound roller set, and a second guide roller set used for guiding the negative pole strip to the other compound roller is arranged between the second unreeling mechanism and the compound roller set; a material spraying device for uniformly spraying the particles on the corresponding positive strip and/or negative strip is arranged between the first unwinding mechanism and the composite roller set and/or between the second unwinding mechanism and the composite roller set;
and a feeding device for adding the colloidal solid electrolyte is arranged on the feeding side of the two composite rollers.
8. The solid-state battery production apparatus according to claim 7, characterized in that: and a distance adjusting mechanism for adjusting the distance between the rollers is arranged between the two composite rollers.
9. The solid-state battery production apparatus according to claim 7, characterized in that: and a negative pressure cavity is arranged in the composite roller, and negative pressure suction holes communicated with the negative pressure cavity are arranged on the surface array of the composite roller.
10. The solid-state battery production apparatus according to claim 7, characterized in that: a coating device used for coating a layer of colloidal solid electrolyte on the surface of the positive strip and/or the negative strip is arranged between the first unwinding mechanism and the composite roller set and/or between the second unwinding mechanism and the composite roller set; or, the device also comprises a mixing device for mixing the particles with the colloidal solid electrolyte and coating the particles with a layer of viscous solid electrolyte.
11. The solid-state battery production apparatus according to claim 7, characterized in that: the axes of the two composite rollers are parallel to each other and are positioned on the same horizontal plane, and the feeding device is arranged above the two composite rollers; the first guide roller group guides the positive pole strip to enter between the two composite rollers from the upper parts of the two composite rollers, and the second guide roller group guides the negative pole strip to enter between the two composite rollers from the upper parts of the two composite rollers.
12. The solid-state battery production apparatus according to claim 11, characterized in that: the feeding device comprises a material guiding plate and a solid electrolyte feeding mechanism for injecting colloidal electrolyte, and the solid electrolyte feeding mechanism comprises:
when the material spraying device is arranged between the first unwinding mechanism and the composite roller set and the material spraying device is not arranged between the second unwinding mechanism and the composite roller set, the feeding mechanism is arranged on one side, facing the negative strip, of the material guiding plate;
when the material spraying device is not arranged between the first unwinding mechanism and the composite roller set and the material spraying device is arranged between the second unwinding mechanism and the composite roller set, the feeding mechanism is arranged on one side, facing the positive strip, of the material guiding plate;
when the material spraying device is arranged between the first unwinding mechanism and the composite roller set and between the second unwinding mechanism and the composite roller set, the number of the material guiding plates is two, the two material guiding plates are respectively arranged corresponding to the anode strip and the cathode strip, and the material feeding mechanism is arranged between the two material guiding plates.
13. The solid-state battery production apparatus according to claim 12, characterized in that: the feeding device further comprises a feeding roller for driving the colloidal solid electrolyte to be fed towards the feeding side of the composite roller set.
14. The solid-state battery production apparatus according to claim 7, characterized in that: the feeding side of the composite roller set is provided with a composite temperature control area which enables the solid electrolyte to be kept in a colloid shape, and the discharging side of the composite roller set is provided with a shaping temperature control area which enables the solid electrolyte to be gradually cooled and shaped.
15. The solid-state battery production apparatus according to claim 14, characterized in that: the shaping temperature control area comprises at least one shaping temperature control subarea, and the temperature in the shaping temperature control subarea positioned on the upstream side is more than or equal to the temperature in the shaping temperature control subarea positioned on the downstream side between any two shaping temperature control subareas.
16. The solid-state battery production apparatus according to claim 15, characterized in that: at least one set of shaping control roller set used for controlling the shaping quality of the solid-state battery is arranged in each shaping temperature control subarea.
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| CN201921477975.8U CN210692701U (en) | 2019-09-06 | 2019-09-06 | Solid-state battery and production equipment thereof |
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| CN201921477975.8U CN210692701U (en) | 2019-09-06 | 2019-09-06 | Solid-state battery and production equipment thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448026A (en) * | 2020-11-23 | 2021-03-05 | 南京大学 | Composite sulfide solid electrolyte, battery and preparation method thereof |
| WO2021043297A1 (en) * | 2019-09-06 | 2021-03-11 | 青岛九环新越新能源科技股份有限公司 | Solid-state battery and manufacturing method and manufacturing apparatus thereof |
| CN113013558A (en) * | 2020-12-25 | 2021-06-22 | 连云港普利特电子科技有限公司 | Bipolar battery tab and production method thereof |
-
2019
- 2019-09-06 CN CN201921477975.8U patent/CN210692701U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021043297A1 (en) * | 2019-09-06 | 2021-03-11 | 青岛九环新越新能源科技股份有限公司 | Solid-state battery and manufacturing method and manufacturing apparatus thereof |
| CN112448026A (en) * | 2020-11-23 | 2021-03-05 | 南京大学 | Composite sulfide solid electrolyte, battery and preparation method thereof |
| CN113013558A (en) * | 2020-12-25 | 2021-06-22 | 连云港普利特电子科技有限公司 | Bipolar battery tab and production method thereof |
| CN113013558B (en) * | 2020-12-25 | 2023-04-25 | 连云港普利特电子科技有限公司 | Bipolar battery tab and production method thereof |
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