CN115026989A - New energy battery pack, preparation method and new energy equipment - Google Patents
New energy battery pack, preparation method and new energy equipment Download PDFInfo
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- CN115026989A CN115026989A CN202210492731.7A CN202210492731A CN115026989A CN 115026989 A CN115026989 A CN 115026989A CN 202210492731 A CN202210492731 A CN 202210492731A CN 115026989 A CN115026989 A CN 115026989A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 90
- 238000001746 injection moulding Methods 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 85
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 85
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000001035 drying Methods 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/227—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2081/00—Use of polymers having sulfur, with or without nitrogen, oxygen or carbon only, in the main chain, as moulding material
- B29K2081/04—Polysulfides, e.g. PPS, i.e. polyphenylene sulfide or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3468—Batteries, accumulators or fuel cells
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a new energy battery pack, a preparation method and new energy equipment, and relates to the technical field of new energy; the preparation method of the new energy battery pack comprises the following steps: obtaining a PPS raw material; baking the PPS raw material at a preset baking temperature for a preset baking time to obtain a PPS material; and conveying the PPS material into an injection molding machine, and performing injection molding to obtain the new energy battery pack. The preparation method enables the new energy battery pack to be injection molded by the PPS material, is simple in structure, reduces the weight of the product, has good conductivity, and further improves the cruising ability of new energy equipment.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a new energy battery pack, a preparation method and new energy equipment.
Background
At present, a new energy battery pack is generally made of metal materials, but the battery pack is complex in structure and large in weight, and the cruising ability of new energy equipment is greatly limited.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a new energy battery pack, a preparation method and new energy equipment, which are simple in structure, reduce the weight of a product, and have good conductivity, so that the cruising ability of the new energy equipment is improved.
According to the first aspect of the invention, the preparation method of the new energy battery pack comprises the following steps:
obtaining a PPS raw material;
baking the PPS raw material at a preset baking temperature for a preset baking time to obtain a PPS material;
and conveying the PPS material into an injection molding machine, and performing injection molding to obtain the new energy battery pack.
According to the preparation method of the new energy battery pack, the preparation method has the following beneficial effects: the preparation method enables the new energy battery pack to be injection molded by the PPS material, has a simple structure, reduces the manufacturing cost, reduces the weight of the product, has chemical corrosion resistance and good conductivity, is safe and reliable in use, and improves the cruising ability of new energy equipment.
According to some embodiments of the first aspect of the present invention, the PPS material is conveyed into an injection molding machine, and a new energy battery pack is obtained by injection molding, including:
setting battery pack forming parameters;
conveying the PPS material into an injection molding machine, wherein the injection molding machine is provided with a battery pack injection mold;
and performing injection molding according to the battery pack forming parameters to obtain the new energy battery pack.
According to some embodiments of the first aspect of the present invention, the preset material baking temperature is 120 degrees celsius and the preset material baking time is 5 hours; the PPS raw material is baked for a preset baking time at a preset baking temperature to obtain the PPS material, and the method comprises the following steps:
and baking the PPS raw material at 120 ℃ for 5 hours to obtain the PPS material.
According to some embodiments of the first aspect of the present invention, the PPS material is a conductive polyphenylene sulfide material.
According to some embodiments of the first aspect of the present disclosure, the PPS material has a leakage current of less than 1 mA.
According to some embodiments of the first aspect of the present disclosure, the PPS material has a resistivity value between 20 Ω and 200 Ω.
According to some embodiments of the first aspect of the present invention, the PPS material has a fire rating of UL 94-VO.
The new energy battery pack according to the second aspect of the present invention is applied to the method for manufacturing the new energy battery pack according to the first aspect of the present invention.
The new energy device according to the third aspect of the invention includes the new energy battery pack according to the second aspect of the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic flow chart of a new energy battery pack according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a new energy battery pack according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a new energy battery pack according to an embodiment of the present invention;
fig. 4 is a schematic front module view of a new energy battery pack according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a rear module of a new energy battery pack according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
In the description of the present invention, unless otherwise specifically defined, terms such as disposing, mounting, connecting and the like should be construed broadly, and specific meanings of the above terms in the invention may be understood in specific instances by those skilled in the art.
At present, a new energy battery pack is generally made of metal materials, but the battery pack is complex in structure and large in weight, and the cruising ability of new energy equipment is greatly limited.
Therefore, the embodiment of the invention provides a new energy battery pack, a preparation method and new energy equipment, which are simple in structure, reduce the weight of a product and have good conductivity, and the cruising ability of the new energy equipment is further improved.
A method for manufacturing a new energy battery pack according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
In an embodiment of the first aspect of the present invention, a method for manufacturing a new energy battery pack is specifically provided, and referring to fig. 1, the method for manufacturing a new energy battery pack includes, but is not limited to, the following steps:
step S100, obtaining a PPS raw material;
step S200, baking the PPS raw material at a preset baking temperature for a preset baking time to obtain the PPS material;
and step S300, conveying the PPS material into an injection molding machine, and performing injection molding to obtain the new energy battery pack.
According to the preparation method of the new energy battery pack, provided by the embodiment of the invention, the new energy battery pack is formed by injection molding of the PPS material, so that the structure is simple, the weight of a product is reduced, the manufacturing cost is reduced, and meanwhile, the new energy battery pack has chemical corrosion resistance and good conductivity, and is long in service life and safe and reliable in use.
The new energy battery pack can be applied to the industries of automobiles, electronics, electrical appliances, medical instruments, chemical engineering and the like to manufacture functional components with the requirement on electric conductivity.
It should be noted that the physical properties of the PPS material can be referred to the following table:
the conductivity properties of PPS materials can be referenced in the following table:
| electrical Properties | Unit of | Test standard | Test results |
| Surface resistance | Ω | IEC 60093 | 10 3 -10 4 |
The new energy battery pack adopts the injection molding condition of the PPS material, and the following table can be referred to:
| conditions of injection molding | Unit of | Reference value |
| Presetting the temperature of material drying | ℃ | 120 |
| Presetting material drying time | Hrs | 5 |
| Barrel heating temperature | ℃ | 290-320 |
| Temperature of the mold | ℃ | 140-160 |
| Injection pressure | Mpa | 80-150 |
| Pressure maintaining pressure | Mpa | 50-100 |
In this embodiment, the preset material drying temperature is 120 ℃, the preset material drying time is 5 hours, and the PPS raw material is dried and then conveyed into a material pipe of an injection molding machine; in other embodiments, the material drying temperature may be set to other temperatures, and the preset material drying time may also be other times, which is not limited to this embodiment.
Specifically, PPS is known as polyphenyleneene sulfite, which translates to Polyphenylene sulfide. In this embodiment, the PPS material is PPS-PCTC15, which is a conductive polyphenylene sulfide material. The use of PPS material has the following beneficial effects: (1) the PPS material has good heat resistance: the melting point of the material is more than 280 ℃, the thermal deformation temperature is more than 260 ℃, the long-term use temperature is 220-240 ℃, the weight of the material is still kept 40 percent when the material is degraded in air at 700 ℃ and 1000 ℃, and the short-term heat resistance and the long-term continuous use heat stability of the material are superior to those of all the existing engineering plastics; (2) PPS material itself has flame retardancy: the flame retardance of the PPS material can reach UL94-0 level, the oxygen index (LOI) is more than 57%, and the PPS material has good flame retardant performance due to the chemical structure without adding a flame retardant; (3) the PPS material has good mechanical properties: the PPS material has extremely strong rigidity, high surface hardness, Rockwell hardness of more than 100HR, tensile strength of more than 170MPa, bending strength of more than 220MPa, notch impact strength of more than 16MPa, bending modulus of more than 3.5 multiplied by 104, and excellent creep resistance and fatigue resistance; (4) PPS materials have good resistance to chemicals: at present, a solvent capable of dissolving polyphenylene sulfide at the temperature of below 200 ℃ is not found, and the PPS material has extremely strong resistance to inorganic acid, alkali and salt; (5) the PPS material has good conductivity: the polyphenylene sulfide still has excellent electrical properties under the conditions of high temperature, high humidity and high frequency, the volume resistivity of the polyphenylene sulfide is 1 multiplied by 1016 omega/cm, the surface resistivity of the polyphenylene sulfide is 1 multiplied by 1015 omega, and the electrical strength of the polyphenylene sulfide is more than 18 KV/mm. In addition, the PPS material has good dimensional stability, outstanding wear resistance and radiation resistance, and the processing performance of the PPS material is good.
In some embodiments, the new energy battery pack of the present invention is applied to a new energy automobile. The new energy automobile adopts unconventional automobile fuel as a power source or conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile mainly refers to an electric automobile, a battery is a power source of the electric automobile, and the quality of the battery directly influences various performance indexes of the automobile. In the related art, a battery pack of a new energy automobile is generally made of a metal material, but the battery pack has a complex structure, is heavy and high in manufacturing cost, greatly limits the endurance capacity of the new energy automobile, and has no heat preservation and insulation effect, so that the endurance mileage of the new energy automobile is extremely easily influenced by temperature change. The novel energy battery pack formed by injection molding of the PPS polymer conductive material is used for replacing the original battery pack of the conductive copper pipe, and the minimum area structure of the novel energy battery pack is realized to achieve the conductivity similar to that of the battery pack of the conductive copper pipe by injection molding of the PPS polymer conductive special material; the new energy battery package still has high heat dispersion for the new energy battery package has the thermal-insulated effect of heat preservation, so that new energy automobile's continuation of the journey mileage is difficult for receiving the influence of temperature variation, improves new energy automobile's continuation of the journey ability, and simple structure, reduction product weight.
In some embodiments, referring to fig. 4 and 5, fig. 4 and 5 are a front mold schematic view and a rear mold schematic view of a new energy battery pack injection molded by PPS material, respectively.
It is understood that, referring to fig. 2, step S300 includes, but is not limited to, the following steps:
step S310, setting battery pack forming parameters;
step S320, conveying the PPS material into an injection molding machine, wherein the injection molding machine is provided with a battery pack injection mold;
and S330, performing injection molding according to the battery pack forming parameters to obtain the new energy battery pack.
Referring to fig. 3 and 4, a front mold schematic view and a rear mold schematic view of a new energy battery pack obtained after the PPS material is injection molded by a battery pack injection mold are shown. The mold temperature parameters for the front and back mold injection molding can be referenced in the following table:
| item | Tolerance/unit | Standard value | Control scope |
| Front mould temperature (setting) | ±10℃ | 120℃ | 100-120℃ |
| Front mould temperature (actual) | ±10℃ | 100℃ | 90-110℃ |
| Rear mould temperature (set) | ±10℃ | 100℃ | 90-110℃ |
| Rear mould temperature (actual) | ±10℃ | 90℃ | 80-100℃ |
The battery pack forming parameters include a front mold temperature, a rear mold temperature, a pressure holding pressure, a pressure holding time, a glue melting speed, a glue melting position, a glue melting pressure, an injection speed, an injection position, a feeding time, a cooling time, a releasing position and the like.
It is understood that, referring to fig. 3, the preset material baking temperature is 120 degrees celsius, the preset material baking time is 5 hours, and step S200 includes, but is not limited to, the following steps:
and step S210, baking the PPS raw material at 120 ℃ for 5 hours to obtain the PPS material.
It should be noted that, in this embodiment, the preset material drying temperature is 120 ℃, the preset material drying time is 5 hours, the PPS material is obtained after being dried, and the PPS material is conveyed into a material pipe of an injection molding machine, and is subjected to injection molding to obtain the new energy battery pack.
It is understood that the PPS material is a conductive polyphenylene sulfide material.
The conductive polyphenylene sulfide material has good conductivity, so that the new energy battery pack also has high-efficiency conductivity.
It is understood that the leakage current of PPS material is less than 1 mA.
It should be noted that the leakage current of the PPS material is less than 1mA, so that the conductivity of the PPS material is better, and further the conductivity of the new energy battery pack is improved.
It is understood that the PPS material has a resistance value between 20 Ω and 200 Ω.
It should be noted that the resistance value of the PPS material is between 20 Ω and 200 Ω, so that the resistance value of the PPS material is small, so that the new energy battery pack has good conductivity.
It is understood that the PPS material has a fire rating of UL 94-VO.
It should be noted that the fire-retardant rating of the PPS material is UL94-VO, so that the PPS material itself has fire-retardant properties, that is, the chemical structure of the PPS material itself makes the PPS material have good flame-retardant properties, and no flame retardant is required to be added.
Embodiments of the second aspect of the present invention further provide a new energy battery pack, and with reference to fig. 4 and 5, the new energy device is applied to the method for preparing the new energy battery pack as in any one of the above embodiments.
Referring to fig. 4 and 5, fig. 4 and 5 are a front mold schematic view and a rear mold schematic view of a new energy battery pack injection-molded from a PPS material, respectively. The new energy battery pack is provided with a positioning hole for mounting an aluminum sheet rivet and an ejector pin seal of a battery pack injection mold.
Embodiments of the third aspect of the present invention also provide a new energy device, which includes the new energy battery pack as in any of the above embodiments.
Because the new energy device in this embodiment has the new energy battery pack in any of the above embodiments, the new energy device in this embodiment can use the new energy battery pack in the above embodiments, so that the new energy device has the following beneficial effects: the product weight is reduced, the structure is simple, the electric conductivity is good, and the cruising ability of the new energy equipment is improved.
It should be noted that the new energy device can be used for manufacturing functional components with conductive performance requirements in industries such as automobiles, electronics, electrical appliances, medical instruments, chemical engineering and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A preparation method of a new energy battery pack is characterized by comprising the following steps:
obtaining a PPS raw material;
baking the PPS raw material at a preset baking temperature for a preset baking time to obtain a PPS material;
and conveying the PPS material into an injection molding machine, and performing injection molding to obtain the new energy battery pack.
2. The method for preparing the new energy battery pack according to claim 1, wherein the step of conveying the PPS material into an injection molding machine to obtain the new energy battery pack by injection molding comprises the following steps:
setting battery pack forming parameters;
conveying the PPS material into an injection molding machine, wherein the injection molding machine is provided with a battery pack injection mold;
and performing injection molding according to the battery pack forming parameters to obtain the new energy battery pack.
3. The preparation method of the new energy battery pack according to claim 1, wherein the preset material baking temperature is 120 ℃, and the preset material baking time is 5 hours; the PPS raw material is baked for a preset baking time at a preset baking temperature to obtain the PPS material, and the method comprises the following steps:
and baking the PPS raw material at 120 ℃ for 5 hours to obtain the PPS material.
4. The preparation method of the new energy battery pack according to claim 1, wherein the PPS material is a conductive polyphenylene sulfide material.
5. The preparation method of the new energy battery pack according to any one of claims 1 to 4, wherein the PPS material has a leakage current of less than 1 mA.
6. The preparation method of the new energy battery pack according to any one of claims 1 to 4, wherein the PPS material has a resistance value of between 20 Ω and 200 Ω.
7. The method for preparing the new energy battery pack according to any one of claims 1 to 4, wherein the PPS material has a fire rating of UL 94-VO.
8. A new energy battery pack is characterized by being applied to the preparation method of the new energy battery pack according to any one of claims 1 to 7.
9. A new energy device, comprising the new energy battery pack according to claim 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210492731.7A CN115026989A (en) | 2022-05-07 | 2022-05-07 | New energy battery pack, preparation method and new energy equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210492731.7A CN115026989A (en) | 2022-05-07 | 2022-05-07 | New energy battery pack, preparation method and new energy equipment |
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| CN115026989A true CN115026989A (en) | 2022-09-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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