CN114921737A - High-efficiency annealing process of aluminum alloy strip for lithium battery of electric vehicle - Google Patents
High-efficiency annealing process of aluminum alloy strip for lithium battery of electric vehicle Download PDFInfo
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- CN114921737A CN114921737A CN202210517764.2A CN202210517764A CN114921737A CN 114921737 A CN114921737 A CN 114921737A CN 202210517764 A CN202210517764 A CN 202210517764A CN 114921737 A CN114921737 A CN 114921737A
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- 238000000137 annealing Methods 0.000 title claims abstract description 58
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 19
- 238000005097 cold rolling Methods 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229910052729 chemical element Inorganic materials 0.000 claims description 5
- 238000005098 hot rolling Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000265 homogenisation Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the field of aluminum alloy processing and manufacturing, and relates to an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric vehicle, which cancels a high-temperature long-time homogenization process of ingot casting, adopts an efficient air cushion type continuous annealing production process in the specification of a finished product, can be directly used as a soft product after annealing and rolling down, can also be used for secondary cold rolling after intermediate annealing, and is used for producing strips with different hardness and different thicknesses; the invention saves energy consumption, improves the production efficiency of the annealing process link, completes annealing at high temperature in short time, has fine and uniform strip grains and lower earing rate; the product delivery period is shortened, and the market competitiveness of the product is favorably improved.
Description
Technical Field
The invention belongs to the field of aluminum alloy processing and manufacturing, and relates to an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric automobile.
Background
Nowadays, the great demand of new energy lithium battery automobiles urgently needs higher-quality and lighter lithium battery shells. Among corners of various materials, 3003 aluminum alloy stands out, while in the introduction to the first-lot demonstration guide catalog of application of important new materials in Shandong province (2020 edition), aluminum alloy strips for new energy power battery cases are listed. The 3003 aluminum alloy is A1-Mn series alloy, belongs to aluminum alloy which can not be strengthened by heat treatment, and has the advantages of medium strength, corrosion resistance, welding performance and the like. However, 3003 contains an alloy element Mn, which causes a serious segregation phenomenon, and the ingot can be eliminated after being homogenized at a high temperature for a long time (580-620 ℃ for 10-24 h), but the prior art adopts the process for production, and the prior art has the following problems: (1) the ingot casting is homogenized at high temperature for a long time, so that a large amount of energy consumption is caused, and the development trend of national carbon peak reaching and carbon neutralization is not met; (2) the traditional coiled material box-type furnace is used for annealing, the coiled material is cooled to room temperature from the time of feeding the coiled material into the furnace to the time of discharging the coiled material out of the furnace, the next procedure is carried out for 3-5 days, and the production efficiency is low; (3) coarse and uneven grains (orange peel grains generated by stamping and even breakage, although the situation can be basically relieved by ingot soaking, the energy consumption is high, and (4) the earing rate is high, the material utilization rate is low, and the like.
Disclosure of Invention
In view of the above, the present invention provides an efficient annealing process for aluminum alloy strips for lithium batteries of electric vehicles, which saves energy, reduces consumption, increases the efficiency of the existing annealing process, and improves the grain size and the earing rate of the strips.
In order to achieve the purpose, the invention provides the following technical scheme: an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric vehicle comprises the following steps:
s1, the aluminum alloy strip is prepared from the following chemical elements in percentage by mass: si is less than or equal to 0.30, Fe: 0.4 to 0.6, Cu: 0.05 to 0.15 percent of Mn, 1.0 to 1.3 percent of Mn, less than or equal to 0.01 percent of Mg, and less than or equal to 0.01 percent of Zn; 0.02-0.04% of Ti, less than or equal to 0.03% of single impurity, less than or equal to 0.10% of impurity in total, and the balance of Al;
s2, smelting the prepared materials according to the predetermined mass percentage, refining in a furnace, degassing on line, filtering on line, and casting the molten aluminum into aluminum alloy ingots;
s3, cooling the cast aluminum alloy ingot, cutting the head and removing the tail, and then removing a condensed shell layer on the surface of the ingot by milling;
s4, placing the ingot after sawing and milling in a push type heating furnace for heating, wherein the metal temperature is as follows: preserving the heat for 2-6 hours at 460-560 ℃;
s5, directly discharging from the furnace and starting rolling after heating, controlling the coiling temperature of hot rolling to be 260-360 ℃, and preferably 290-330 ℃;
s6, placing the coiled material in an overhead intelligent warehouse for forced cooling, and performing cold rolling after cooling to room temperature;
and S7, performing high-efficiency annealing after cold rolling to the thickness of a finished product or the thickness before intermediate annealing, wherein the annealing process system is 320-500 ℃, the temperature is kept for 5-180S, and the next procedure can be directly performed after annealing and coiling.
Optionally, in step S2, the ingredients are sequentially put into a melting furnace for melting, and a flux is used for refining and covering, after the ingredients are put into the melting furnace, stirring is started after the ingredients are melted, and then refining and slagging off are performed to obtain qualified chemical components, and then Ar gas and Cl are used 2 The mixed gas brings hydrogen and fine impurities in the aluminum liquid to the surface of the melt, thereby reducing the gas content of the melt.
Optionally, double-stage filtration is used in the casting process, so that the slag content of the melt is reduced, and the purity of the melt is ensured; and Al-5Ti-B is used for on-line refining treatment to ensure the grain size of the aluminum alloy ingot.
Optionally, in the step S7, the annealing temperature of the high-efficiency annealing process is inversely proportional to the heat preservation time, and the higher the annealing temperature is, the shorter the heat preservation time is; the lower the annealing temperature is, the longer the holding time is.
Optionally, the alloy of the aluminum alloy strip is 3003-O, and the thickness of the aluminum alloy strip is 0.8-4.0 mm.
The invention has the beneficial effects that: the invention relates to an efficient annealing process of aluminum alloy strips for lithium batteries of electric vehicles, which cancels a high-temperature long-time homogenization process of cast ingots, adopts an efficient air cushion type continuous annealing production process for the specification of finished products, can be directly used as soft products after annealing and rolling down, can also be used for secondary cold rolling after intermediate annealing, and is used for producing strips with different hardness and different thicknesses; the invention saves energy consumption, improves the production efficiency of the annealing process link, completes annealing at high temperature in short time, has fine and uniform strip grains and lower earing rate; the product delivery period is shortened, and the market competitiveness of the product is favorably improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The preferred embodiment of the present invention will be described in detail below with respect to aluminum alloy strip for lithium battery 3003 for electric vehicles, which is a strip with a conventional thickness of 1.5 mm.
Examples 1 to 3 show that the chemical components and mass percentages of the 3003 aluminum alloy strip for the lithium battery of the electric vehicle are shown in table 1.
Table 1 shows measured values (%) of the alloy components.
In the specific embodiment 1, the method comprises the following steps of,
an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric vehicle comprises the following steps:
s1, according to the preset mass percentage, the ingredients of the chemical elements of the 3003 aluminum alloy are smelted, refined in a furnace, degassed on line and filtered on line, and molten aluminum is cast into aluminum alloy ingots;
s2, sawing the head and the tail of the cast aluminum alloy ingot after cooling, and then removing a crust layer on the surface of the ingot by milling;
s3, placing the ingot after sawing and milling in a push type heating furnace for heating, wherein the metal temperature is as follows: preserving heat for 6 hours at 480 ℃;
s4, directly discharging from a furnace and rolling after heating is finished, and controlling the coiling temperature of hot rolling to be 320 +/-10 ℃;
s5, placing the coiled material in an overhead intelligent overhead warehouse for forced cooling, and performing cold rolling after cooling to room temperature;
and S6, performing cold rolling to the thickness of a finished product or the thickness before intermediate annealing, performing high-efficiency annealing, wherein the annealing process system is 350 ℃, keeping the temperature for 150S, and directly entering the next procedure after annealing and coiling.
In the specific embodiment 2, the method comprises the following steps of,
an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric vehicle comprises the following steps:
s1, according to the preset mass percentage, the ingredients of the chemical elements of the 3003 aluminum alloy are smelted, refined in a furnace, degassed on line and filtered on line, and molten aluminum is cast into aluminum alloy ingots;
s2, sawing the head and the tail of the cast aluminum alloy ingot after cooling, and then removing a crust layer on the surface of the ingot by milling;
s3, placing the ingot after sawing and milling in a push type heating furnace for heating, wherein the metal temperature is as follows: keeping the temperature at 500 ℃ for 4 hours;
s4, directly discharging from the furnace and opening rolling after heating is finished, and controlling the coiling temperature of hot rolling to be 320 +/-10 ℃;
s5, placing the coiled material in an overhead intelligent overhead warehouse for forced cooling, and performing cold rolling after cooling to room temperature;
and S6, performing high-efficiency annealing after cold rolling to the thickness of a finished product or the thickness before intermediate annealing, wherein the annealing process system is 400 ℃, preserving heat for 60S, and directly entering the next procedure after annealing and coiling.
In a specific embodiment of the method of example 3,
an efficient annealing process of an aluminum alloy strip for a lithium battery of an electric vehicle comprises the following steps:
s1, according to the preset mass percentage, carrying out smelting, in-furnace refining, online degassing and online filtering on the ingredients of each chemical element of the 3003 aluminum alloy, and casting aluminum liquid into aluminum alloy ingots;
s2, sawing the head and the tail of the cast aluminum alloy ingot after cooling, and then removing a condensed shell layer on the surface of the ingot by milling;
s3, placing the ingot after sawing and milling in a push type heating furnace for heating, wherein the metal temperature is as follows: keeping the temperature at 520 ℃ for 2 hours;
s4, directly discharging from a furnace and rolling after heating is finished, and controlling the coiling temperature of hot rolling to be 320 +/-10 ℃;
s5, placing the coiled material in an overhead intelligent overhead warehouse for forced cooling, and performing cold rolling after cooling to room temperature;
and S6, performing high-efficiency annealing after cold rolling to the thickness of a finished product or the thickness before intermediate annealing, wherein the annealing process is 450 ℃, the temperature is kept for 30S, and the next process can be directly performed after annealing and coiling.
Table 2 strip test results.
As can be seen from the table 2, the strip samples produced in the examples 1 to 3 have stable mechanical properties, uniform and fine crystal grains and low earing rate.
The casting process of the invention uses two-stage filtration, thereby reducing the slag content of the melt and ensuring the purity of the melt; high-temperature long-time uniform heating of the cast ingot is cancelled, energy consumption is saved, and production cost is reduced; the production efficiency of the annealing process link is greatly improved, 3-4 days can be saved from annealing to the next process, and the scale benefit is good; the produced coiled material has uniform grain size, does not produce orange peel, does not contact a roller way in the annealing link, has good surface quality and is beneficial to improving the market competitiveness of the product; the produced coiled material has low earing rate, can improve the utilization rate of materials and is beneficial to improving the satisfaction degree of customers.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (5)
1. The high-efficiency annealing process of the aluminum alloy strip for the lithium battery of the electric automobile is characterized by comprising the following steps of:
s1, the aluminum alloy strip is prepared from the following chemical elements in percentage by mass: si is less than or equal to 0.30, Fe: 0.4 to 0.6, Cu: 0.05 to 0.15 percent of Mn, 1.0 to 1.3 percent of Mn, less than or equal to 0.01 percent of Mg, and less than or equal to 0.01 percent of Zn; 0.02-0.04% of Ti, less than or equal to 0.03% of single impurity, less than or equal to 0.10% of total impurity and the balance of Al;
s2, smelting the prepared materials according to the predetermined mass percentage, refining in a furnace, degassing on line, filtering on line, and casting the molten aluminum into aluminum alloy ingots;
s3, cooling the cast aluminum alloy ingot, then cutting the head and removing the tail, and then removing a crust layer on the surface of the ingot by milling;
s4, placing the ingot after sawing and milling in a push type heating furnace for heating, wherein the metal temperature is as follows: preserving the heat for 2-6 hours at 460-560 ℃;
s5, directly discharging from the furnace and starting rolling after heating, controlling the coiling temperature of hot rolling to be 260-360 ℃, and preferably 290-330 ℃;
s6, placing the coiled material in an overhead intelligent warehouse for forced cooling, and performing cold rolling after cooling to room temperature;
and S7, performing high-efficiency annealing after cold rolling to the thickness of a finished product or the thickness before intermediate annealing, wherein the annealing process system is 320-500 ℃, the temperature is kept for 5-180S, and the next procedure can be directly performed after annealing and coiling.
2. The high-efficiency annealing process of the aluminum alloy strip for the lithium battery of the electric automobile as claimed in claim 1, characterized in that: in the step S2, the ingredients are sequentially put into a smelting furnace for smelting, a flux is used for refining and covering, stirring is started after the materials in the furnace are melted after the materials are put into the furnace, and then Ar gas and Cl are utilized after refining and slagging off are carried out to obtain qualified chemical components 2 The mixed gas brings hydrogen and fine impurities in the aluminum liquid to the surface of the melt, thereby reducing the gas content of the melt.
3. The high-efficiency annealing process of the aluminum alloy strip for the lithium battery of the electric automobile as claimed in claim 1, characterized in that: double-stage filtration is used in the casting process, so that the slag content of the melt is reduced, and the purity of the melt is ensured; and Al-5Ti-B is used for on-line refining treatment to ensure the grain size of the aluminum alloy ingot.
4. The high-efficiency annealing process of the aluminum alloy strip for the lithium battery of the electric automobile as claimed in claim 1, characterized in that: in the step S7, the annealing temperature and the heat preservation time of the high-efficiency annealing process are inversely proportional, and the higher the annealing temperature is, the shorter the heat preservation time is; the lower the annealing temperature is, the longer the holding time is appropriately.
5. The high-efficiency annealing process of the aluminum alloy strip for the lithium battery of the electric automobile as claimed in claim 1, characterized in that: the alloy of the aluminum alloy strip is 3003-O, and the thickness of the aluminum alloy strip is 0.8-4.0 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210517764.2A CN114921737A (en) | 2022-05-12 | 2022-05-12 | High-efficiency annealing process of aluminum alloy strip for lithium battery of electric vehicle |
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| CN202210517764.2A CN114921737A (en) | 2022-05-12 | 2022-05-12 | High-efficiency annealing process of aluminum alloy strip for lithium battery of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537590A (en) * | 2022-09-14 | 2022-12-30 | 山东裕航特种合金装备有限公司 | Preparation method of valve body material for automobile stamping |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981401A (en) * | 2014-04-30 | 2014-08-13 | 苏州有色金属研究院有限公司 | High-strength aluminum alloy used for lithium ion battery shell and having excellent laser welding performance |
| CN106636775A (en) * | 2016-12-20 | 2017-05-10 | 中铝瑞闽股份有限公司 | Aluminum alloy strip used for powder battery shell and preparation method of aluminum alloy strip |
| CN114438372A (en) * | 2021-12-24 | 2022-05-06 | 广西百矿冶金技术研究有限公司 | Aluminum alloy strip for rapid cast-rolling battery case and preparation method thereof |
-
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- 2022-05-12 CN CN202210517764.2A patent/CN114921737A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981401A (en) * | 2014-04-30 | 2014-08-13 | 苏州有色金属研究院有限公司 | High-strength aluminum alloy used for lithium ion battery shell and having excellent laser welding performance |
| CN106636775A (en) * | 2016-12-20 | 2017-05-10 | 中铝瑞闽股份有限公司 | Aluminum alloy strip used for powder battery shell and preparation method of aluminum alloy strip |
| CN114438372A (en) * | 2021-12-24 | 2022-05-06 | 广西百矿冶金技术研究有限公司 | Aluminum alloy strip for rapid cast-rolling battery case and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 向凌霄, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537590A (en) * | 2022-09-14 | 2022-12-30 | 山东裕航特种合金装备有限公司 | Preparation method of valve body material for automobile stamping |
| CN115537590B (en) * | 2022-09-14 | 2023-10-20 | 山东裕航特种合金装备有限公司 | Preparation method of valve body material for automobile stamping |
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Application publication date: 20220819 |