CN102358792A - Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof - Google Patents
Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof Download PDFInfo
- Publication number
- CN102358792A CN102358792A CN2011102267564A CN201110226756A CN102358792A CN 102358792 A CN102358792 A CN 102358792A CN 2011102267564 A CN2011102267564 A CN 2011102267564A CN 201110226756 A CN201110226756 A CN 201110226756A CN 102358792 A CN102358792 A CN 102358792A
- Authority
- CN
- China
- Prior art keywords
- flame retardant
- lithium
- ion
- weight parts
- power cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention discloses a lithium-ion power battery flame retardant plastic shell, which is characterized by being manufactured from a flame retardant material, wherein the flame retardant material comprises the following raw materials in parts by weight: 50-70 parts of polypropylene, 5-30 parts of glass fiber, 5-20 parts of filler and 10-40 parts of flame retardant agent. The invention further discloses a manufacturing method of the lithium-ion power battery flame retardant shell. In the lithium-ion power battery flame retardant plastic shell, the flame retardant material which is prepared by mixing 50-70 parts by weight of polypropylene, 5-30 parts by weight of glass fiber, 5-20 parts by weight of filler and 10-40 parts by weight of flame retardant agent is adopted, and the flame retardant material has high flame retardancy and high extension performance, so that the problem of combustion of the plastic shell caused by combustion of elementary substance lithium precipitated due to the rise of internal temperature under the conditions of internal short circuit of the battery and the like is solved.
Description
Technical field
The present invention relates to lithium-ion-power cell encapsulation technology field, particularly relate to a kind of lithium-ion-power cell flame retardant plastics shell and preparation method thereof.
Background technology
Along with Economic development and living standards of the people improve, people are more and more strong to the demand of the high capacity cell of high-energy-density, and the lithium ion battery performance is best in the available several kinds of batteries in electric vehicle, energy storage field.Lithium ion battery is different with general common acid battery, high-voltage, high-energy-density are arranged, has extended cycle life, characteristics such as self-discharge rate is low.Yet because the lithium ion battery energy density is high, under overcharge condition, battery temperature rises, energy surplus, and inner pressure of battery sharply rises and the danger that spontaneous combustion or blast take place is arranged.Traditional box hat, aluminum-shell battery fragment after blast is very easily hurted sb.'s feelings, and the cell contents that ejects causes fire easily.Plastic casing has extensibility because its main material is pp (Polypropylene, a Vestolen PP 7052) plastic material after being heated, and does not burn and reduced the danger that blast is hurted sb.'s feelings to a certain extent.Therefore be considered to comparatively be fit to be applied to the shell of high-capacity lithium-ion power cell.
The advantages such as being difficult for blast though plastic casing is ductile, its part that also comes with some shortcomings mainly shows: thereby 1, internal temperature simple substance lithium burning the causing plastic casing of separating out that raises burns under situation such as internal short-circuit of battery; 2, the plastic casing of common pp material self is participated in burning the time on fire running into outside atmosphere, has encouraged fire.
Summary of the invention
The problem that the embodiment of the invention will solve provides a kind of lithium-ion-power cell flame retardant plastics shell and preparation method thereof, with the plastic casing that overcomes common pp material in the prior art can not be fire-retardant defective.
For achieving the above object; The technical scheme of the embodiment of the invention provides a kind of lithium-ion-power cell flame retardant plastics shell; Said shell adopts fire retardant material, and said fire retardant material comprises the Vestolen PP 7052 of 50～70 weight parts, the spun glass of 5～30 weight parts, the weighting agent of 5～20 weight parts and the fire retardant of 10～40 weight parts.
Further, said fire retardant is selected from Marinco H, white lake, TDCPP, ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP, zinc borate, TDE, TBC.
Further, said weighting agent is preferably lime carbonate.
The technical scheme of the embodiment of the invention also provides a kind of preparation method of lithium-ion-power cell flame retardant plastics shell, said method comprising the steps of:
A, the spun glass of the Vestolen PP 7052 of 50～70 weight parts and 5～30 weight parts is mixed the back stirred 10-30 minute;
The weighting agent of B, adding 5～20 weight parts stirred 10-30 minute;
The fire retardant of C, adding 10～40 weight parts stirred 20-40 minute;
D, the mould of said lithium-ion-power cell flame retardant plastics shell is fixed in the injection moulding machine, connects the mould cooling water channel, the raw material that stirs among the step C is put into oven dry charging basket oven dry 1-2 hour of injection moulding machine;
E,, the barrel temperature of injection moulding machine carries out injection moulding when reaching 160 ℃-200 ℃;
F, after injection moulding is intact, cooling 30-60 die sinking second.
Further, in said steps A～C, CW and anticlockwise churning time ratio are 1: 1 in the whipping process.
Further, in said step F, the injection moulding speed during die sinking is 20～30mm/s.
Further, said fire retardant is selected from Marinco H, white lake, TDCPP, ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP, zinc borate, TDE, TBC.
Further, the said lime carbonate that is preferably.
Compared with prior art, technical scheme of the present invention has following advantage:
Lithium-ion-power cell flame retardant plastics shell of the present invention adopts the Vestolen PP 7052 of 50～70 weight parts, the spun glass of 5～30 weight parts, the weighting agent of 5～20 weight parts and the fire retardant of 10～40 weight parts to mix the fire retardant material that forms; Its flame retardant properties and extension property are good, thus the simple substance lithium burning of having avoided under situation such as internal short-circuit of battery internal temperature to raise separating out and cause the burning of plastic casing.
Description of drawings
Fig. 1 is the preparing method's of an a kind of lithium-ion-power cell flame retardant plastics shell of the present invention schema.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Lithium-ion-power cell flame retardant plastics shell of the present invention adopts fire retardant material, and said fire retardant material comprises the Vestolen PP 7052 of 50～70 weight parts, the spun glass of 5～30 weight parts, the weighting agent of 5～20 weight parts and the fire retardant of 10～40 weight parts.Wherein, Said fire retardant is selected from Marinco H, white lake, TDCPP (three (1; 3-two chloropropyls) SULPHOSUCCINIC ACID ESTER), ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP (Molypermalloy Powder; Iron nickel molybdenum), zinc borate, TDE, TBC (three (2, the 3-dibromopropyl) isocyanuric acid ester); Said weighting agent is preferably lime carbonate.
The preparation method of a kind of lithium-ion-power cell flame retardant plastics shell of the present invention is as shown in Figure 1, said method comprising the steps of:
Step s101 mixes back stirring 10-30 minute with the Vestolen PP 7052 of 50～70 weight parts and the spun glass of 5～30 weight parts.
Step s102, the weighting agent of adding 5～20 weight parts stirred 10-30 minute; Said weighting agent is preferably lime carbonate.
Step s103, the fire retardant of adding 10～40 weight parts stirred 20-40 minute; Said fire retardant is selected from Marinco H, white lake, TDCPP, ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP, zinc borate, TDE, TBC.
Step s104 is fixed on the mould of said lithium-ion-power cell flame retardant plastics shell in the injection moulding machine, connects the mould cooling water channel, the raw material that stirs among the step s103 is put into oven dry charging basket oven dry 1-2 hour of injection moulding machine.
Step s105 carries out injection moulding when the barrel temperature of injection moulding machine reaches 160 ℃-200 ℃.
Step s106, after injection moulding is intact, cooling 30-60 die sinking second, the injection moulding speed during die sinking is 20～30mm/s.
In said step s101～s103, CW and anticlockwise churning time ratio are 1: 1 in the whipping process.
Embodiment one
Present embodiment adopts the preparation method of lithium-ion-power cell flame retardant plastics shell shown in Figure 1, and wherein the usage quantity of each integral part is: the fire retardant of the spun glass of the Vestolen PP 7052 of 50 weight parts, 20 weight parts, the weighting agent of 20 weight parts and 10 weight parts.Weighting agent adopts lime carbonate, and fire retardant adopts TDE.The lithium-ion-power cell flame retardant plastics shell that present embodiment is processed calcination 10 seconds and not burning under 400 degrees centigrade flame, and, reached the UL94-V0 standard through the vertical combustion test of UL94 plastic material combustion testing.
Embodiment two
Present embodiment adopts the preparation method of lithium-ion-power cell flame retardant plastics shell shown in Figure 1, and wherein the usage quantity of each integral part is: the fire retardant of the spun glass of the Vestolen PP 7052 of 60 weight parts, 10 weight parts, the weighting agent of 5 weight parts and 25 weight parts.Weighting agent adopts lime carbonate, and fire retardant adopts white lake.The lithium-ion-power cell flame retardant plastics shell that present embodiment is processed calcination 10 seconds and not burning under 400 degrees centigrade flame, and, reached the UL94-V0 standard through the vertical combustion test of UL94 plastic material combustion testing.
Embodiment three
Present embodiment adopts the preparation method of lithium-ion-power cell flame retardant plastics shell shown in Figure 1, and wherein the usage quantity of each integral part is: the fire retardant of the spun glass of the Vestolen PP 7052 of 50 weight parts, 5 weight parts, the weighting agent of 5 weight parts and 40 weight parts.Weighting agent adopts lime carbonate, and fire retardant adopts ammonium polyphosphate.The lithium-ion-power cell flame retardant plastics shell that present embodiment is processed calcination 10 seconds and not burning under 400 degrees centigrade flame, and, reached the UL94-V0 standard through the vertical combustion test of UL94 plastic material combustion testing.
Embodiment four
Present embodiment adopts the preparation method of lithium-ion-power cell flame retardant plastics shell shown in Figure 1, and wherein the usage quantity of each integral part is: the fire retardant of the spun glass of the Vestolen PP 7052 of 70 weight parts, 5 weight parts, the weighting agent of 5 weight parts and 20 weight parts.Weighting agent adopts lime carbonate, and fire retardant adopts MPP.The lithium-ion-power cell flame retardant plastics shell that present embodiment is processed calcination 10 seconds and not burning under 400 degrees centigrade flame, and, reached the UL94-V0 standard through the vertical combustion test of UL94 plastic material combustion testing.
Lithium-ion-power cell flame retardant plastics shell of the present invention adopts the Vestolen PP 7052 of 50～70 weight parts, the spun glass of 5～30 weight parts, the weighting agent of 5～20 weight parts and the fire retardant of 10～40 weight parts to mix the fire retardant material that forms; Its flame retardant properties and extension property are good, thus the simple substance lithium burning of having avoided under situation such as internal short-circuit of battery internal temperature to raise separating out and cause the burning of plastic casing.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. lithium-ion-power cell flame retardant plastics shell; It is characterized in that; Said shell adopts fire retardant material, and said fire retardant material comprises the Vestolen PP 7052 of 50～70 weight parts, the spun glass of 5～30 weight parts, the weighting agent of 5～20 weight parts and the fire retardant of 10～40 weight parts.
2. lithium-ion-power cell flame retardant plastics shell as claimed in claim 1; It is characterized in that said fire retardant is selected from Marinco H, white lake, TDCPP, ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP, zinc borate, TDE, TBC.
3. according to claim 1 or claim 2 lithium-ion-power cell flame retardant plastics shell is characterized in that said weighting agent is preferably lime carbonate.
4. the preparation method of a lithium-ion-power cell flame retardant plastics shell is characterized in that, said method comprising the steps of:
A, the spun glass of the Vestolen PP 7052 of 50～70 weight parts and 5～30 weight parts is mixed the back stirred 10-30 minute;
The weighting agent of B, adding 5～20 weight parts stirred 10-30 minute;
The fire retardant of C, adding 10～40 weight parts stirred 20-40 minute;
D, the mould of said lithium-ion-power cell flame retardant plastics shell is fixed in the injection moulding machine, connects the mould cooling water channel, the raw material that stirs among the step C is put into oven dry charging basket oven dry 1-2 hour of injection moulding machine;
E,, the barrel temperature of injection moulding machine carries out injection moulding when reaching 160 ℃-200 ℃;
F, after injection moulding is intact, cooling 30-60 die sinking second.
5. the preparation method of lithium-ion-power cell flame retardant plastics shell as claimed in claim 4 is characterized in that, in said steps A～C, CW and anticlockwise churning time ratio are 1: 1 in the whipping process.
6. the preparation method of lithium-ion-power cell flame retardant plastics shell as claimed in claim 4 is characterized in that, in said step F, the injection moulding speed during die sinking is 20～30mm/s.
7. like the preparation method of each described lithium-ion-power cell flame retardant plastics shell of claim 4 to 6; It is characterized in that said fire retardant is selected from Marinco H, white lake, TDCPP, ammonium polyphosphate, eight bromo ether, triphenylphosphate, hexabromocyclododecane, MPP, zinc borate, TDE, TBC.
8. like the preparation method of each described lithium-ion-power cell flame retardant plastics shell of claim 4 to 6, it is characterized in that said weighting agent is preferably lime carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102267564A CN102358792A (en) | 2011-08-09 | 2011-08-09 | Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102267564A CN102358792A (en) | 2011-08-09 | 2011-08-09 | Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102358792A true CN102358792A (en) | 2012-02-22 |
Family
ID=45584172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102267564A Pending CN102358792A (en) | 2011-08-09 | 2011-08-09 | Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102358792A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623655A (en) * | 2012-04-05 | 2012-08-01 | 惠州市博能新能源有限公司 | Functional filling material for li-ion battery pack |
| CN103524884A (en) * | 2013-11-01 | 2014-01-22 | 无锡意凯自动化技术有限公司 | Light and durable reaction kettle |
| CN104167567A (en) * | 2014-08-12 | 2014-11-26 | 山东兴宇新能源科技有限公司 | Preparation process of flame retardant battery |
| CN104292625A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Accumulator case material and preparation method thereof |
| CN104494083A (en) * | 2015-01-16 | 2015-04-08 | 华蓥市蓥瑞注塑科技有限公司 | Preparation method of injection molded control panel and injection molded control panel |
| CN105711036A (en) * | 2016-04-14 | 2016-06-29 | 珠海科斯特电源有限公司 | Secondary injection molding processing technology of built-in cellphone battery and mold of secondary injection molding processing technology |
| CN106543551A (en) * | 2015-09-16 | 2017-03-29 | 天津中聚新能源科技有限公司 | A kind of lithium ion battery plastic casing, lithium ion battery and its manufacture method |
| CN107256814A (en) * | 2017-06-11 | 2017-10-17 | 武城县光明电力工程有限公司 | A kind of combined type linked switch |
| CN108841078A (en) * | 2018-05-31 | 2018-11-20 | 信丰永冠塑电科技有限公司 | Efficient fiber-reinforced composite fire proofing production method |
| CN109021382A (en) * | 2018-06-22 | 2018-12-18 | 中盐安徽红四方锂电有限公司 | A kind of flame retardant type plastic housing and preparation method thereof suitable for lithium-ion-power cell |
| CN110828711A (en) * | 2019-11-11 | 2020-02-21 | 南通亿能能源科技有限公司 | Lithium battery shell and preparation method thereof |
| CN110845797A (en) * | 2019-12-04 | 2020-02-28 | 佛山市顺德区远熠模塑电器有限公司 | Production process of high-temperature-resistant shell of intelligent dish-washing machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252347A (en) * | 1998-10-22 | 2000-05-10 | 史磊 | Modified and reinforced composite polypropylene board |
| CN1765972A (en) * | 2004-10-29 | 2006-05-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-proof antistatic modified polypropylene composition useable in electric appliance casing |
-
2011
- 2011-08-09 CN CN2011102267564A patent/CN102358792A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252347A (en) * | 1998-10-22 | 2000-05-10 | 史磊 | Modified and reinforced composite polypropylene board |
| CN1765972A (en) * | 2004-10-29 | 2006-05-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-proof antistatic modified polypropylene composition useable in electric appliance casing |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623655A (en) * | 2012-04-05 | 2012-08-01 | 惠州市博能新能源有限公司 | Functional filling material for li-ion battery pack |
| CN103524884A (en) * | 2013-11-01 | 2014-01-22 | 无锡意凯自动化技术有限公司 | Light and durable reaction kettle |
| CN103524884B (en) * | 2013-11-01 | 2016-03-30 | 无锡意凯自动化技术有限公司 | A kind of reactor of Portable durable |
| CN104167567A (en) * | 2014-08-12 | 2014-11-26 | 山东兴宇新能源科技有限公司 | Preparation process of flame retardant battery |
| CN104292625A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Accumulator case material and preparation method thereof |
| CN104494083A (en) * | 2015-01-16 | 2015-04-08 | 华蓥市蓥瑞注塑科技有限公司 | Preparation method of injection molded control panel and injection molded control panel |
| CN106543551A (en) * | 2015-09-16 | 2017-03-29 | 天津中聚新能源科技有限公司 | A kind of lithium ion battery plastic casing, lithium ion battery and its manufacture method |
| CN105711036A (en) * | 2016-04-14 | 2016-06-29 | 珠海科斯特电源有限公司 | Secondary injection molding processing technology of built-in cellphone battery and mold of secondary injection molding processing technology |
| CN107256814A (en) * | 2017-06-11 | 2017-10-17 | 武城县光明电力工程有限公司 | A kind of combined type linked switch |
| CN108841078A (en) * | 2018-05-31 | 2018-11-20 | 信丰永冠塑电科技有限公司 | Efficient fiber-reinforced composite fire proofing production method |
| CN109021382A (en) * | 2018-06-22 | 2018-12-18 | 中盐安徽红四方锂电有限公司 | A kind of flame retardant type plastic housing and preparation method thereof suitable for lithium-ion-power cell |
| CN110828711A (en) * | 2019-11-11 | 2020-02-21 | 南通亿能能源科技有限公司 | Lithium battery shell and preparation method thereof |
| CN110845797A (en) * | 2019-12-04 | 2020-02-28 | 佛山市顺德区远熠模塑电器有限公司 | Production process of high-temperature-resistant shell of intelligent dish-washing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358792A (en) | Lithium-ion power battery flame retardant plastic shell and manufacturing method thereof | |
| CN103500806B (en) | Capsule and lithium ion battery | |
| CN106299514B (en) | A kind of compound method for lithium ion battery | |
| CN105074989B (en) | The manufacturing method of electrode-membrane compound, the electrode-membrane compound manufactured by the manufacturing method and comprising its lithium secondary battery | |
| WO2016127786A1 (en) | All-solid-state polymer electrolyte, and preparation and application thereof | |
| CN101969149B (en) | Mixed cathode diachylon of superbattery and preparation method thereof | |
| CN106486639B (en) | A kind of lithium battery pole slice and preparation method thereof | |
| CN106450442A (en) | Flame-retardant gel electrolyte for lithium-ion battery and preparation method of flame-retardant gel electrolyte, and preparation method of lithium-ion battery | |
| CN103855431B (en) | A kind of chemical synthesizing method improving cycle performance of lithium ion battery | |
| CN104300123A (en) | Mixed positive electrode material, positive plate using the same, and lithium ion battery | |
| CN107195967B (en) | A kind of low-temperature lithium ion battery | |
| CN104282935B (en) | A kind of lithium titanate battery and manufacture method | |
| CN103117411A (en) | Lithium ion battery and production method thereof | |
| CN103779600A (en) | Lithium titanate battery and manufacturing method thereof | |
| CN105633454A (en) | High-voltage and wide-temperature amplitude polymer lithium battery for 3C digital camera and fabrication method of polymer lithium battery | |
| CN102420340A (en) | Manufacturing method of battery | |
| CN105449264A (en) | High-voltage lithium cobalt oxide/lithium titanate battery and preparation method thereof | |
| CN100466365C (en) | High safety, high power lithium ion power battery | |
| CN104979581A (en) | Capsule and lithium ion battery | |
| CN106711507A (en) | Forming and produced gas removing method of cylindrical steel-shell lithium titanate battery | |
| CN102760864B (en) | Preparation method for positive plate of AlNiCo acid lithium battery | |
| CN201946704U (en) | Pole core of lithium ion battery and lithium ion battery | |
| CN107565161A (en) | A kind of gel polymer electrolyte of blended fiber element and preparation method and application | |
| CN104300137A (en) | High energy density battery with excellent cycle performance | |
| CN102593428A (en) | Method for preparing cathode material of lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120222 |