CN117186544A - Energy storage battery shell material based on electric heating plastic and preparation method thereof - Google Patents
Energy storage battery shell material based on electric heating plastic and preparation method thereof Download PDFInfo
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- CN117186544A CN117186544A CN202311144890.9A CN202311144890A CN117186544A CN 117186544 A CN117186544 A CN 117186544A CN 202311144890 A CN202311144890 A CN 202311144890A CN 117186544 A CN117186544 A CN 117186544A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 82
- 229920003023 plastic Polymers 0.000 title claims abstract description 61
- 239000004033 plastic Substances 0.000 title claims abstract description 61
- 238000005485 electric heating Methods 0.000 title claims abstract description 59
- 239000011257 shell material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 23
- 239000000314 lubricant Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 14
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 95
- 239000011259 mixed solution Substances 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 25
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- UJGIYHXRNBCGRE-UHFFFAOYSA-N C(CCCCCCCCCCCCCCC)[Na] Chemical compound C(CCCCCCCCCCCCCCC)[Na] UJGIYHXRNBCGRE-UHFFFAOYSA-N 0.000 claims description 15
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 15
- 239000002041 carbon nanotube Substances 0.000 claims description 13
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 9
- 239000008116 calcium stearate Substances 0.000 claims description 9
- 235000013539 calcium stearate Nutrition 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- PNGBYKXZVCIZRN-UHFFFAOYSA-M sodium;hexadecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCCCCCS([O-])(=O)=O PNGBYKXZVCIZRN-UHFFFAOYSA-M 0.000 claims description 8
- 239000005909 Kieselgur Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 238000010248 power generation Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 210000000352 storage cell Anatomy 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
Abstract
The invention relates to the technical field of composite material preparation, and particularly discloses an energy storage battery shell material based on electric heating plastic and a preparation method thereof. The energy storage battery shell material based on the electric heating plastic comprises the following raw material components in parts by weight: 60-80 parts of polypropylene; 20-40 parts of high-density polyethylene; 20-40 parts of conductive heating material; 10-20 parts of filler; 1-5 parts of lubricant. According to the invention, the conductive heating material is added into the energy storage battery shell material based on the electric heating plastic, so that the energy storage battery shell material based on the electric heating plastic has a conductive function and a certain resistance value; the energy storage battery shell material based on the electric heating plastic can generate heat in an electrified state; and then at low temperature, can heat the energy storage battery, help improving the energy storage performance of energy storage battery under the low temperature condition.
Description
Technical Field
The invention relates to the technical field of composite material preparation, in particular to an energy storage battery shell material based on electric heating plastic and a preparation method thereof.
Background
The energy storage battery is mainly used for solar power generation equipment and wind power generation equipment and renewable energy storage. The energy storage battery stores redundant electric energy so as to supply the electric energy to a user when the energy supply is insufficient; plays an important role in current industry and city planning.
As energy storage cells develop, the demand for housing materials for the energy storage cells is also increasing. Polypropylene, PP for short, is a polymer of propylene by polyaddition; because of good mechanical properties, the alloy is widely applied to parts of automobiles and electric appliances, fields of various containers, furniture, packaging materials, medical devices, and the like; therefore, the material is also an ideal material for the energy storage battery shell.
The energy storage performance of the energy storage battery is easily affected by temperature, and particularly the energy storage performance of the energy storage battery can be seriously affected at low temperature. Therefore, if an energy storage battery shell material capable of being heated is developed, the material has important significance for improving the energy storage performance of the energy storage battery under the low-temperature condition.
Disclosure of Invention
In order to overcome at least one technical problem existing in the prior art, the invention provides an energy storage battery shell material based on electric heating plastic.
The technical scheme of the invention is as follows:
an energy storage battery shell material based on electric heating plastic comprises the following raw material components in parts by weight:
60-80 parts of polypropylene; 20-40 parts of high-density polyethylene; 20-40 parts of conductive heating material; 10-20 parts of filler; 1-5 parts of lubricant.
According to the invention, the conductive heating material is added into the energy storage battery shell material based on the electric heating plastic, so that the energy storage battery shell material based on the electric heating plastic has a conductive function and a certain resistance value; the energy storage battery shell material based on the electric heating plastic can generate heat in an electrified state; and then at low temperature, the energy storage battery can be heated.
Preferably, the energy storage battery shell material based on the electric heating plastic comprises the following raw material components in parts by weight:
70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of lubricant.
Preferably, the conductive heating material is composed of carbon nanotubes and graphite.
Preferably, the weight ratio of the carbon nano tube to the graphite is 2-4:1.
Most preferably, the weight ratio of carbon nanotubes to graphite is 3:1.
Preferably, the filler is selected from diatomaceous earth.
Preferably, the diatomite is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution;
(2) Adding a silane coupling agent, dodecyl trimethyl ammonium chloride and sodium hexadecyl sulfonate into the diatomite mixed solution, heating to 50-60 ℃, stirring for 3-6 hours, and separating solids;
(3) And drying the solid to obtain the modified diatomite.
The inventors found in the study that the addition of the modified diatomaceous earth prepared by the above method to the energy storage battery housing material based on the electric heating plastic can greatly improve the impact strength of the energy storage battery housing material based on the electric heating plastic at low temperature compared with the addition of the unmodified diatomaceous earth.
Further preferably, the weight ratio of diatomite to water in the step (1) is 1:5-8.
Most preferably, the weight ratio of diatomaceous earth to water in step (1) is 1:6.
Further preferably, the weight ratio of the diatomite mixed solution in the step (2) to the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate is 100:3-6:2-4:1-3.
Most preferably, the weight ratio of the diatomite mixed solution to the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate in the step (2) is 100:5:3:2.
Preferably, the silane coupling agent is a silane coupling agent KH-560.
Preferably, the lubricant is calcium stearate.
The invention also provides a preparation method of the energy storage battery shell material based on the electric heating plastic, which comprises the following steps:
the energy storage battery shell material based on the electric heating plastic is obtained by uniformly mixing polypropylene, high-density polyethylene, a conductive heating material, a filler and a lubricant, and then extruding the mixture in a double-screw extruder.
The beneficial effects are that: the invention provides a novel energy storage battery shell material based on electric heating plastic; the energy storage battery shell material based on the electric heating plastic is added with a conductive heating material, so that the energy storage battery shell material based on the electric heating plastic has a conductive function and a certain resistance value; the energy storage battery shell material based on the electric heating plastic can generate heat in an electrified state; and then at low temperature, the energy storage battery can be heated; the energy storage performance of the energy storage battery under the low-temperature condition is improved.
In addition, the modified diatomite prepared by the method is added into the energy storage battery shell material based on the electric heating plastic, and compared with the unmodified diatomite, the impact strength of the energy storage battery shell material based on the electric heating plastic at low temperature can be greatly improved.
Detailed Description
The present invention is further explained below with reference to specific examples, which are not intended to limit the present invention in any way. The starting materials in the examples below are all conventional starting materials which can be purchased by the person skilled in the art or prepared by conventional methods.
Example 1 preparation of an electric heating Plastic based energy storage Battery housing Material
The raw materials comprise the following components in parts by weight: 70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 3:1;
the lubricant is calcium stearate;
the filler is diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Example 2 preparation of an energy storage Battery housing Material based on an electric heating Plastic
The raw materials comprise the following components in parts by weight: 70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 3:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:6;
(2) Adding a silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate into the diatomite mixed solution, heating to 55 ℃, stirring for 4 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to the silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate is 100:5:3:2;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Example 3 preparation of an electric heating Plastic based energy storage Battery housing Material
The raw materials comprise the following components in parts by weight: 60 parts of polypropylene; 40 parts of high-density polyethylene; 20 parts of conductive heating material; 20 parts of filler; 1 part of lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 2:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:5;
(2) Adding a silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate into the diatomite mixed solution, heating to 50 ℃, stirring for 6 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to the silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate is 100:6:4:1;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Example 4 preparation of an electric heating Plastic based energy storage Battery housing Material
The raw materials comprise the following components in parts by weight: 80 parts of polypropylene; 20 parts of high-density polyethylene; 40 parts of conductive heating material; 10 parts of filler; 5 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 4:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:8;
(2) Adding a silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and sodium hexadecyl sulfonate into the diatomite mixed solution, heating to 60 ℃, stirring for 4 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to the silane coupling agent KH-560, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate is 100:3:2:3;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Comparative example 1 preparation of an energy storage Battery housing Material based on an electric heating Plastic
The raw materials comprise the following components in parts by weight: 70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 3:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:6;
(2) Adding a silane coupling agent KH-560 and dodecyl trimethyl ammonium chloride into the diatomite mixed solution, heating to 55 ℃, stirring for 4 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to the silane coupling agent KH-560 to the dodecyl trimethyl ammonium chloride is 100:5:5;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
The difference between comparative example 1 and example 2 is that in the step (2), only the silane coupling agent and dodecyl trimethyl ammonium chloride are added into the diatomite mixed solution to modify and prepare modified diatomite; in the embodiment 2, the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate are added in the step (2) simultaneously to prepare the modified diatomite.
Comparative example 2 preparation of an energy storage Battery housing Material based on an electric heating Plastic
The raw materials comprise the following components in parts by weight: 70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 3:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:6;
(2) Adding a silane coupling agent KH-560 and sodium hexadecyl sulfonate into the diatomite mixed solution, heating to 55 ℃, stirring for 4 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to the silane coupling agent KH-560 to the hexadecyl sodium sulfonate is 100:5:5;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Comparative example 2 differs from example 2 in that in step (2), only a silane coupling agent and sodium hexadecyl sulfonate are added into the diatomite mixed solution to modify and prepare modified diatomite; in the embodiment 2, the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate are added in the step (2) simultaneously to prepare the modified diatomite.
Comparative example 3 preparation of an electric heating Plastic based energy storage Battery housing Material
The raw materials comprise the following components in parts by weight: 70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of a lubricant;
the conductive heating material consists of carbon nano tubes and graphite in a weight ratio of 3:1;
the lubricant is calcium stearate;
the filler is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution; wherein the weight ratio of the diatomite to the water is 1:6;
(2) Adding dodecyl trimethyl ammonium chloride and sodium hexadecyl sulfonate into the diatomite mixed solution, heating to 55 ℃, stirring for 4 hours, and separating solids; wherein the weight ratio of the diatomite mixed solution to dodecyl trimethyl ammonium chloride to hexadecyl sodium sulfonate is 100:3:2;
(3) And drying the solid to obtain the modified diatomite.
The preparation method comprises the following steps: the raw materials are uniformly mixed, and then the mixture is put into a double-screw extruder for extrusion, so that the energy storage battery shell material based on the electric heating plastic is obtained.
Comparative example 3 differs from example 2 in that in step (2), only dodecyltrimethylammonium chloride and sodium hexadecylsulfonate are added to the diatomite mixed solution to modify and prepare modified diatomite; in the embodiment 2, the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate are added in the step (2) simultaneously to prepare the modified diatomite.
The energy storage battery shell materials based on the electric heating plastic, which are prepared in the examples 1 and 2 and the comparative examples 1 to 3, are molded into sample bars by an injection molding machine, and then the sheet resistance is tested by a sheet resistance tester; notched impact strength of a simply supported beam at-40 ℃; the results are shown in Table 1.
TABLE 1 Performance test results of the energy storage battery housing materials based on the electric heating plastics of the invention
As can be seen from experimental data in table 1, the energy storage battery shell material based on the electric heating plastic prepared in the embodiments 1 and 2 has a certain sheet resistance, and can ensure that the energy storage battery shell material can generate heat under the condition of electrification.
As can be seen from experimental data in table 1, the energy storage battery shell material based on the electric heating plastic prepared in example 2 has a notch impact strength at-40 ℃ substantially higher than that of the energy storage battery shell material based on the electric heating plastic prepared in example 1; this illustrates: compared with the adding of unmodified diatomite, the impact strength of the energy storage battery shell material based on the electric heating plastic at low temperature can be greatly improved by adding the modified diatomite prepared by the method in the energy storage battery shell material based on the electric heating plastic.
As can be seen from the experimental data in table 1, the energy storage battery shell materials based on the electric heating plastic prepared in comparative examples 1 to 3 have a notch impact strength of-40 ℃ which is improved compared with the energy storage battery shell material based on the electric heating plastic prepared in example 1, but the improvement is not large, and the improvement is far smaller than that of the energy storage battery shell material based on the electric heating plastic prepared in example 2. This shows that the preparation method of the modified diatomite is very critical; the modified diatomite prepared by simultaneously adding a silane coupling agent, dodecyl trimethyl ammonium chloride and sodium hexadecyl sulfonate into the diatomite mixed solution in the step (2) of the preparation method of the modified diatomite can greatly improve the impact strength of the energy storage battery shell material based on the electric heating plastic at low temperature; and the diatomite mixed liquid in the step (2) of the preparation method of the modified diatomite is only added with any two of a silane coupling agent, dodecyl trimethyl ammonium chloride and hexadecyl sodium sulfonate for modification to prepare the modified diatomite, so that the impact strength of the energy storage battery shell material based on the electric heating plastic at low temperature cannot be greatly improved.
Claims (10)
1. An energy storage battery shell material based on electric heating plastic is characterized by comprising the following raw material components in parts by weight:
60-80 parts of polypropylene; 20-40 parts of high-density polyethylene; 20-40 parts of conductive heating material; 10-20 parts of filler; 1-5 parts of lubricant.
2. The energy storage battery shell material based on electric heating plastic according to claim 1, which comprises the following raw material components in parts by weight:
70 parts of polypropylene; 30 parts of high-density polyethylene; 30 parts of conductive heating material; 17 parts of filler; 3 parts of lubricant.
3. The energy storage battery housing material based on electric heating plastic according to claim 1, wherein the conductive heating material is composed of carbon nanotubes and graphite.
4. The energy storage battery shell material based on electric heating plastic according to claim 1, wherein the weight ratio of carbon nanotubes to graphite is 2-4:1;
most preferably, the weight ratio of carbon nanotubes to graphite is 3:1.
5. The energy storage battery housing material based on an electrically heated plastic according to claim 1, wherein the filler is selected from the group consisting of diatomaceous earth.
6. The energy storage battery shell material based on electric heating plastic according to claim 5, wherein the diatomite is modified diatomite;
the modified diatomite is prepared by the following method:
(1) Adding diatomite into water, and uniformly stirring to obtain diatomite mixed solution;
(2) Adding a silane coupling agent, dodecyl trimethyl ammonium chloride and sodium hexadecyl sulfonate into the diatomite mixed solution, heating to 50-60 ℃, stirring for 3-6 hours, and separating solids;
(3) And drying the solid to obtain the modified diatomite.
7. The energy storage battery shell material based on electric heating plastic according to claim 6, wherein the weight ratio of diatomite to water in the step (1) is 1:5-8;
most preferably, the weight ratio of diatomaceous earth to water in step (1) is 1:6.
8. The energy storage battery shell material based on electric heating plastic according to claim 6, wherein the weight ratio of the diatomite mixed solution to the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate in the step (2) is 100:3-6:2-4:1-3;
most preferably, the weight ratio of the diatomite mixed solution to the silane coupling agent, the dodecyl trimethyl ammonium chloride and the hexadecyl sodium sulfonate in the step (2) is 100:5:3:2.
9. The energy storage battery housing material based on an electrically heated plastic of claim 6, wherein the lubricant is calcium stearate.
10. The method for preparing the energy storage battery shell material based on the electric heating plastic as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
the energy storage battery shell material based on the electric heating plastic is obtained by uniformly mixing polypropylene, high-density polyethylene, a conductive heating material, a filler and a lubricant, and then extruding the mixture in a double-screw extruder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311144890.9A CN117186544A (en) | 2023-09-06 | 2023-09-06 | Energy storage battery shell material based on electric heating plastic and preparation method thereof |
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| CN202311144890.9A CN117186544A (en) | 2023-09-06 | 2023-09-06 | Energy storage battery shell material based on electric heating plastic and preparation method thereof |
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