CN104979508A - Nonmetallic housing for battery and manufacturing method of nonmetallic housing - Google Patents
Nonmetallic housing for battery and manufacturing method of nonmetallic housing Download PDFInfo
- Publication number
- CN104979508A CN104979508A CN201510340594.5A CN201510340594A CN104979508A CN 104979508 A CN104979508 A CN 104979508A CN 201510340594 A CN201510340594 A CN 201510340594A CN 104979508 A CN104979508 A CN 104979508A
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- Prior art keywords
- housing
- cap
- metal
- injection moulding
- battery non
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- 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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention relates to a nonmetallic housing for a battery and a manufacturing method of the nonmetallic housing and belongs to the technical field of batteries. According to the nonmetallic housing for the battery disclosed by the present invention, matrix materials of a housing cover and a housing are made from glass fiber reinforced polyamide resin; the housing consists of a matrix and a mounting support lug, a metal inlay piece is in injection molding at the intersection part of the matrix and the mounting support lug, and the mounting support lug part is in an inverted circular bead structure; and the housing cover and the housing have a adhesion forming structure. The manufacturing method of the nonmetallic housing for the battery comprises the following steps: 1) preparation of the metal inlay piece: machining an inverted-T-shaped metal inlay piece, wherein a mounting matching hole and an injection molding strengthening hole are formed in the metal inlay piece; 2) injection molding of the housing cover and the housing: carrying out one-time injection molding by selecting the glass fiber reinforced polyamide resin, wherein the adhesion part of the housing cover and the housing is in a twin-hole structure; and 3) adhesion of the housing cover and the housing: adhering the housing cover and the housing together by an adhesive and a clamp. The nonmetallic housing for the battery provided by the invention has the advantages of light weight, good insulating property, strong strength, good sealing performance, simpleness and convenience in processing process, stability, reliability and the like.
Description
Technical field
The invention belongs to cell art, particularly relate to a kind of battery non-metal shell and preparation method thereof.
Background technology
The features such as at present, to have specific energy high due to battery, and specific power is large, can heavy-current discharge, discharging voltage balance, and voltage accuracy is high, and reliability, fail safe are good, are widely used in each field.As: be made up of parts such as battery-pack exterior casing, bonding wire socket, gas generator, liquid reservoir, composite polar plate group, electric heaters zinc-silver reserve battery.Wherein, battery-pack exterior casing is the container holding internal battery pack parts, it is the main components of bearing various mechanical environment, also be that interface installs (as plugs and sockets, both positive and negative polarity lead-out terminal etc.) and battery pack installs the main components of fixing (as installed journal stirrup, mounting guide rail etc.), also to possess the function etc. preventing solution leakage simultaneously, therefore, battery-pack exterior casing will have certain intensity and good sealing property, and weight reduction as far as possible, to meet the requirement of zinc-silver reserve battery severe rugged environment mechanical condition and high-energy-density.
Existingly to be made up of metal material (as aluminium alloy and stainless steel) and nonmetallic materials (as fiberglass) as zinc-silver reserve battery shell.Although wherein the shell intensity of metal material is higher, but heavier-weight, insulating properties and sealing are poor, the shell of nonmetallic materials is at present due to the restriction of material and manufacture method, although insulating properties is better, but sealing and intensity poor, weight is also heavier, has a strong impact on the overall performance of zinc-silver reserve battery.
Summary of the invention
The present invention provides a kind of battery non-metal shell and preparation method thereof for solving in known technology the technical problem that exists.
An object of the present invention be to provide a kind ofly possess that intensity is high, the battery non-metal shell of good insulating, good airproof performance and the feature such as lightweight.
The technical scheme that battery non-metal shell of the present invention is taked is:
A kind of battery non-metal shell, is characterized in: battery non-metal shell comprises disposable injection moulding cap and housing, and the basis material of cap and housing adopts glass fiber reinforced polyamide; Housing is made up of matrix and installation journal stirrup, and matrix is injected with metal inserted piece with the handing-over position of installing journal stirrup, installs journal stirrup position and adopts rounding structure; Cap and housing are bonding shaped structure.
Battery non-metal shell of the present invention can also adopt following technical scheme:
Described battery non-metal shell, is characterized in: metal inserted piece is inverted T-shape structure, and metal inserted piece has installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through-hole structure; Mating holes is installed match with the installing hole that housing is provided with.
Described battery non-metal shell, is characterized in: the diameter 2-3mm larger than the diameter of shell bores installing mating holes; Through-hole diameter is 1-3mm.
Described battery non-metal shell, is characterized in: cap and case bonding position are Shuangzi mouth structure.
Described battery non-metal shell, is characterized in: the basis material of cap and housing adopts the polyamide 1010 of 5% ~ 15% glass fiber reinforcement.
Two of object of the present invention be to provide a kind ofly possess that simple process, stable performance, product strength are high, the preparation method of the battery non-metal shell of good insulating, good airproof performance and the feature such as lightweight.
The technical scheme that the preparation method of battery non-metal shell of the present invention takes is:
A preparation method for battery non-metal shell, is characterized in: the preparation process of battery non-metal shell comprises following processing step:
1) prepare metal inserted piece: machine work inverted T-shape metal inserted piece, metal inserted piece is provided with installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through hole; The diameter 2-3mm larger than the diameter of shell bores of mating holes is installed, exposed metal/bare metal after preventing housing injection moulding from completing, ensures the insulating properties of housing; Injection moulding reinforced hole injection molding material when housing injection moulding flows into, and ensures the conjugation of housing and metal inserted piece;
2) cap and housing injection mo(u)lding: the polyamide selecting glass fiber reinforcement, once injection moulding cap and housing, cap and case bonding position are Shuangzi mouth structure; Housing is disposable is injection molded into band 1 metal inserted piece obtained in steps, and metal inserted piece injection moulding is in housing base and the handing-over position of installing journal stirrup;
3) cap and case bonding: after cell internal components has assembled, with adhesive and fixture by the cap made together with case bonding, complete the preparation process of battery non-metal shell.
The preparation method of battery non-metal shell of the present invention can also adopt following technical scheme:
The preparation method of described battery non-metal shell, is characterized in: when cap and housing injection mo(u)lding, selects the polyamide 1010 once injection moulding cap and housing that are evenly mixed into 5% ~ 15% glass fibre.
The preparation method of described battery non-metal shell, is characterized in: during housing injection mo(u)lding, installs journal stirrup position and adopts rounding structure.
The advantage that the present invention has and good effect are:
Battery non-metal shell and preparation method thereof is owing to have employed the brand-new technical scheme of the present invention, and compared with prior art, the present invention has following characteristics:
1, the shell that prepared by the present invention comprises disposable injection moulding cap and housing, and basis material all adopts glass fiber reinforced polyamide.Because basis material is that proportion is less, the good glass fiber reinforced polyamide of insulating properties, this containment weight is comparatively light, insulating properties is better, intensity is higher.
2, the disposable injection-moulded housing prepared of the present invention is inner and install the structural strengthening design that journal stirrup position all have employed rounding, improves the resistance to mechanics environment capacity at housing itself and installation journal stirrup position.
3, the disposable injection-moulded housing that prepared by the present invention is installed journal stirrup position and is added metal inserted piece, further increases the resistance to mechanics environment capacity that housing installs journal stirrup position.
4, the cap prepared of the present invention and case bonding position are Shuangzi mouth structure, make bonding process more easy and reliable, improve the sealing property of shell.
Accompanying drawing explanation
Fig. 1 is that the master of zinc-silver reserve battery non-metal shell looks generalized section;
Fig. 2 is that the master of cap in Fig. 1 looks generalized section;
Fig. 3 is that the master of Fig. 1 middle shell looks generalized section;
Fig. 4 is the schematic top plan view of Fig. 1 middle shell;
Fig. 5 is that the master of metal inserted piece in Fig. 3 looks enlarged diagram.
In figure, 1-cap, 2-housing, 3-housing base, 4-metal inserted piece, 5-installs journal stirrup, 6-installing hole, and 7-installs mating holes, 8-injection moulding reinforced hole, 9-Shuangzi mouth, 10-Shuangzi mouth, 11-fillet, 12-fillet, 13-fillet.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Accompanying drawings 1 to Fig. 5.
Embodiment 1
A kind of zinc-silver reserve battery non-metal shell comprises disposable injection moulding cap and housing, and the basis material of cap and housing adopts the polyamide 1010 of 5% ~ 15% glass fiber reinforcement; Housing is made up of matrix and installation journal stirrup, and matrix is injected with metal inserted piece with the handing-over position of installing journal stirrup, installs journal stirrup position and adopts rounding structure; Cap and case bonding position are Shuangzi mouth structure, bonding shaping.Metal inserted piece is inverted T-shape structure, and metal inserted piece has installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through-hole structure; Mating holes is installed match with the installing hole that housing is provided with.The diameter 2-3mm larger than the diameter of shell bores of mating holes is installed; Through-hole diameter is 2mm.
Embodiment 2
Zinc-silver reserve battery uses a preparation method for non-metal shell, and preparation process comprises following processing step:
1) prepare metal inserted piece: machine work inverted T-shape metal inserted piece, metal inserted piece is provided with installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through hole; The diameter 2-3mm larger than the diameter of shell bores of mating holes is installed, exposed metal/bare metal after preventing housing injection moulding from completing, ensures the insulating properties of housing; Injection moulding reinforced hole injection molding material when housing injection moulding flows into, and ensures the conjugation of housing and metal inserted piece;
2) cap and housing injection mo(u)lding: select the polyamide 1010 being evenly mixed into 5% ~ 15% glass fibre, once injection moulding cap and housing, cap and case bonding position are Shuangzi mouth structure; Housing is disposable is injection molded into band 1 metal inserted piece obtained in steps, and metal inserted piece injection moulding is in housing base and the handing-over position of installing journal stirrup; During housing injection mo(u)lding, journal stirrup position is installed and adopts rounding structure.
3) cap and case bonding: after cell internal components has assembled, with adhesive and fixture by the cap made together with case bonding, complete the preparation process of battery non-metal shell.
The concrete steps of the specific implementation process of the present embodiment are as follows:
(1) select 45# steel, the metal inserted piece 4 of structure shown in machining Fig. 4, metal inserted piece has installs mating holes 7 and injection moulding reinforced hole 8, is through hole; The diameter 2mm to 3mm larger than the diameter of shell bores 6 of mating holes is installed, exposed metal/bare metal after preventing housing injection moulding from completing, ensures the insulating properties of housing; The through hole of injection moulding reinforced hole 8 to be multiple diameter be about 2mm, during housing injection moulding, injection molding material flows into, and ensures the conjugation of housing and metal inserted piece.
(2) select the polyamide 1010 being evenly mixed into 5% ~ 15% glass fibre, be disposablely injection molded into the cap 1 shown in Fig. 2; Cap and case bonding position are Shuangzi mouth structure.
(3) select the polyamide 1010 being evenly mixed into 5% ~ 15% glass fibre, be disposablely injection molded into the metal inserted piece housing 2 as shown in Figure 3, Figure 4 made with process (1); Polyamide 1010 material being mixed into glass fibre of housing is as housing base 3, and metal inserted piece injection moulding is in housing base and the handing-over position of installing journal stirrup 5.
(4) after cell internal components has assembled, together with the case bonding that cap process (2) made with adhesive and special fixture and process (3) are made, complete the manufacturing process of novel zinc-silver reserve battery non-metal shell prepared by the present invention shown in Fig. 1.
The operation principle of novel zinc-silver reserve battery non-metal shell prepared by the present invention is:
First by the installation journal stirrup of shell, battery is fixed when zinc-silver reserve battery uses, then carry out activation by the socket be arranged on shell and outside output voltage; In the life cycle management of zinc-silver reserve battery, shell should have no mechanical damage and connection loosing phenomenon.Novel zinc-silver reserve battery non-metal shell prepared by the present invention uses that proportion is less, the good glass fiber reinforced polyamide of insulating properties is as basis material, the structural strengthening design of rounding is all have employed in disposable injection-moulded housing inside and installation journal stirrup position, and add metal inserted piece at installation journal stirrup position, simultaneously cap and case bonding position are Shuangzi mouth structure, and not only lighter in weight, insulating properties be better but also improve intensity and sealing to make shell.
The present embodiment has the good effects such as described containment weight is comparatively light, insulating properties is better, higher, the resistance to mechanics ability of intensity is good, sealing property is excellent, and processing technology is easy, reliable and stable.
Claims (8)
1. a battery non-metal shell, is characterized in that: battery non-metal shell comprises disposable injection moulding cap and housing, and the basis material of cap and housing adopts glass fiber reinforced polyamide; Housing is made up of matrix and installation journal stirrup, and matrix is injected with metal inserted piece with the handing-over position of installing journal stirrup, installs journal stirrup position and adopts rounding structure; Cap and housing are bonding shaped structure.
2. battery non-metal shell according to claim 1, is characterized in that: metal inserted piece is inverted T-shape structure, and metal inserted piece has installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through-hole structure; Mating holes is installed match with the installing hole that housing is provided with.
3. battery non-metal shell according to claim 2, is characterized in that: the diameter 2-3mm larger than the diameter of shell bores installing mating holes; Through-hole diameter is 1-3mm.
4. battery non-metal shell according to claim 1, is characterized in that: cap and case bonding position are Shuangzi mouth structure.
5. the battery non-metal shell according to claim 1,2,3 or 4, is characterized in that: the basis material of cap and housing adopts the polyamide 1010 of 5% ~ 15% glass fiber reinforcement.
6. the preparation method of battery non-metal shell according to claim 1, is characterized in that: the preparation process of battery non-metal shell comprises following processing step:
1) prepare metal inserted piece: machine work inverted T-shape metal inserted piece, metal inserted piece is provided with installs mating holes and injection moulding reinforced hole, and installation mating holes and injection moulding reinforced hole are through hole; The diameter 2-3mm larger than the diameter of shell bores of mating holes is installed, exposed metal/bare metal after preventing housing injection moulding from completing, ensures the insulating properties of housing; Injection moulding reinforced hole injection molding material when housing injection moulding flows into, and ensures the conjugation of housing and metal inserted piece;
2) cap and housing injection mo(u)lding: the polyamide selecting glass fiber reinforcement, once injection moulding cap and housing, cap and case bonding position are Shuangzi mouth structure; Housing is disposable is injection molded into band 1 metal inserted piece obtained in steps, and metal inserted piece injection moulding is in housing base and the handing-over position of installing journal stirrup;
3) cap and case bonding: after cell internal components has assembled, with adhesive and fixture by the cap made together with case bonding, complete the preparation process of battery non-metal shell.
7. the preparation method of battery non-metal shell according to claim 6, is characterized in that: when cap and housing injection mo(u)lding, selects the polyamide 1010 once injection moulding cap and housing that are evenly mixed into 5% ~ 15% glass fibre.
8. the preparation method of the battery non-metal shell according to claim 6 or 7, is characterized in that: during housing injection mo(u)lding, installs journal stirrup position and adopts rounding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340594.5A CN104979508B (en) | 2015-06-18 | 2015-06-18 | Nonmetallic housing for battery and manufacturing method of nonmetallic housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340594.5A CN104979508B (en) | 2015-06-18 | 2015-06-18 | Nonmetallic housing for battery and manufacturing method of nonmetallic housing |
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| Publication Number | Publication Date |
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| CN104979508A true CN104979508A (en) | 2015-10-14 |
| CN104979508B CN104979508B (en) | 2017-03-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655509A (en) * | 2016-03-18 | 2016-06-08 | 宁德时代新能源科技股份有限公司 | Lower box body and battery box comprising same |
| CN106505170A (en) * | 2016-12-28 | 2017-03-15 | 宁波优科泰科技发展有限公司 | A kind of battery case for lithium ion power and the polymerizable material of energy-storage battery |
| CN107331802A (en) * | 2017-06-19 | 2017-11-07 | 惠州市海龙模具塑料制品有限公司 | Battery case and its manufacture method |
| CN108292716A (en) * | 2015-12-15 | 2018-07-17 | 丰田铁工株式会社 | Battery case |
| CN109449318A (en) * | 2018-10-15 | 2019-03-08 | 大连中比动力电池有限公司 | A kind of cylindrical battery configuration and preparation method of non-metal shell |
| CN110970583A (en) * | 2018-09-28 | 2020-04-07 | 天津市隆邦能源科技有限公司 | Battery box assembling and manufacturing method for new energy automobile |
| WO2024068993A1 (en) * | 2022-09-30 | 2024-04-04 | Autotech Engineering S.L. | Battery unit and methods |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841012A (en) * | 2010-02-24 | 2010-09-22 | 北汽福田汽车股份有限公司 | Preparation method of car storage battery box body and box body prepared by using same |
| CN102292394A (en) * | 2009-01-29 | 2011-12-21 | 东洋纺织株式会社 | Glass fiber reinforced polyamide resin composition |
| CN104300098A (en) * | 2014-10-10 | 2015-01-21 | 浙江新大力电光源集团股份有限公司 | Vibration-proof storage battery shell |
| CN204204925U (en) * | 2014-09-22 | 2015-03-11 | 中国电子科技集团公司第十八研究所 | Zinc-silver reserve battery battery case |
| CN104577152A (en) * | 2013-10-23 | 2015-04-29 | 上海空间电源研究所 | Light-structure and high-ratio characteristic silver-zinc reserve battery |
-
2015
- 2015-06-18 CN CN201510340594.5A patent/CN104979508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102292394A (en) * | 2009-01-29 | 2011-12-21 | 东洋纺织株式会社 | Glass fiber reinforced polyamide resin composition |
| CN101841012A (en) * | 2010-02-24 | 2010-09-22 | 北汽福田汽车股份有限公司 | Preparation method of car storage battery box body and box body prepared by using same |
| CN104577152A (en) * | 2013-10-23 | 2015-04-29 | 上海空间电源研究所 | Light-structure and high-ratio characteristic silver-zinc reserve battery |
| CN204204925U (en) * | 2014-09-22 | 2015-03-11 | 中国电子科技集团公司第十八研究所 | Zinc-silver reserve battery battery case |
| CN104300098A (en) * | 2014-10-10 | 2015-01-21 | 浙江新大力电光源集团股份有限公司 | Vibration-proof storage battery shell |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292716A (en) * | 2015-12-15 | 2018-07-17 | 丰田铁工株式会社 | Battery case |
| CN108292716B (en) * | 2015-12-15 | 2021-04-23 | 丰田铁工株式会社 | Battery case |
| CN105655509A (en) * | 2016-03-18 | 2016-06-08 | 宁德时代新能源科技股份有限公司 | Lower box body and battery box comprising same |
| CN106505170A (en) * | 2016-12-28 | 2017-03-15 | 宁波优科泰科技发展有限公司 | A kind of battery case for lithium ion power and the polymerizable material of energy-storage battery |
| CN107331802A (en) * | 2017-06-19 | 2017-11-07 | 惠州市海龙模具塑料制品有限公司 | Battery case and its manufacture method |
| CN107331802B (en) * | 2017-06-19 | 2020-03-24 | 惠州市海龙模具塑料制品有限公司 | Battery case and method for manufacturing same |
| CN110970583A (en) * | 2018-09-28 | 2020-04-07 | 天津市隆邦能源科技有限公司 | Battery box assembling and manufacturing method for new energy automobile |
| CN109449318A (en) * | 2018-10-15 | 2019-03-08 | 大连中比动力电池有限公司 | A kind of cylindrical battery configuration and preparation method of non-metal shell |
| WO2024068993A1 (en) * | 2022-09-30 | 2024-04-04 | Autotech Engineering S.L. | Battery unit and methods |
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|---|---|
| CN104979508B (en) | 2017-03-22 |
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