CN109304893B - Empty foil area heating device of battery pole piece - Google Patents
Empty foil area heating device of battery pole piece Download PDFInfo
- Publication number
- CN109304893B CN109304893B CN201811310162.XA CN201811310162A CN109304893B CN 109304893 B CN109304893 B CN 109304893B CN 201811310162 A CN201811310162 A CN 201811310162A CN 109304893 B CN109304893 B CN 109304893B
- Authority
- CN
- China
- Prior art keywords
- cooling water
- electromagnetic
- pole piece
- empty foil
- foil area
- 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.)
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- 239000011888 foil Substances 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 69
- 229910052802 copper Inorganic materials 0.000 claims description 37
- 239000010949 copper Substances 0.000 claims description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Road Signs Or Road Markings (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a heating device for an empty foil area of a battery pole piece, which comprises a base, a movable shell, an electromagnetic generating block, a cooling water input pipe and a cooling water output pipe, wherein an inlet port and an outlet port are positioned on the upper surface of the movable shell, one ends of the cooling water input pipe and the cooling water output pipe are respectively connected with the inlet port and the outlet port, a cooling water cavity and an electromagnetic accommodating cavity are arranged in the electromagnetic generating block, the cooling water cavity is positioned at the periphery of the electromagnetic accommodating cavity, the other ends of the cooling water input pipe and the cooling water output pipe are respectively communicated with the cooling water cavity, and an electromagnetic coil connected with a power supply is arranged in the electromagnetic accommodating cavity. The invention has the advantages that the electromagnetic coil is arranged, so that the empty foil area of the battery pole piece can be heated, the empty foil area is softened, and after passing through the roller and the rolling roller, the empty foil area is fully extended, and the appearance bad phenomena such as wrinkling and the like of the battery pole piece are prevented; the cooling water input pipe and the cooling water output pipe are arranged, and cooling water flows in the cooling water pipe, so that the temperature of the electromagnetic generation block is effectively controlled.
Description
Technical Field
The invention relates to the field of lithium ion battery pole piece heating equipment, in particular to a heating device for an empty foil area of a battery pole piece.
Background
In the manufacturing and using processes of the lithium ion battery, rolling the pole piece after coating is a very important process, a pole piece material area extends in the rolling process, an empty foil area cannot be fully extended due to the fact that the thickness is thinner, a rolling machine cannot roll the empty foil area, wrinkles of the empty foil area are caused, and the qualification rate and the safety of the lithium ion battery can be seriously affected by the folded pole piece.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention aims to provide a heating device for an empty foil area of a battery pole piece so as to solve the technical problem of pole piece wrinkling.
The technical scheme is as follows:
The utility model provides a battery pole piece empty foil district heating device, includes base, removal casing, electromagnetism generation piece, cooling water input tube, cooling water output tube, install on the base remove the casing, advance the interface, go out the interface and be located remove on the casing upper surface, the cooling water input tube cooling water output tube one end respectively with advance the interface go out interface connection, be equipped with cooling water cavity and electromagnetism in the electromagnetism generation piece and hold the chamber, the cooling water cavity is located the periphery that the chamber was held to the electromagnetism, cooling water input tube the cooling water output tube other end respectively with the cooling water cavity intercommunication, the electromagnetism holds the intracavity and installs the solenoid who is connected with the power. Due to the electromagnetic coil, the empty foil area of the battery pole piece can be electromagnetically heated, so that the empty foil area is softened, and after passing through the roller and the rolling roller, the empty foil area can be fully extended, and the phenomenon of poor appearance such as wrinkling of the battery pole piece is prevented; due to the arrangement of the cooling water input pipe and the cooling water output pipe, the cooling water flows in the cooling water pipe, so that the temperature of the electromagnetic generation block can be effectively controlled, the electromagnetic generation block is prevented from being burnt out by high-temperature heating, and the service life of the electromagnetic generation block is prolonged.
In one embodiment, the electromagnetic induction device further comprises two copper bars which are correspondingly arranged, an insulating sheet is arranged between the two copper bars, the upper ends of the two copper bars are respectively connected to the movable shell, and the lower ends of the two copper bars are connected with the electromagnetic generation block. Because the two copper bars are arranged, the copper bars can play roles in conducting and shielding magnetic fields, and because the copper bars shield the electromagnetic induction magnetic fields, the copper bars cannot heat automatically, and the temperature rise of the whole battery pole piece empty foil area heating device in the electromagnetic heating process can be avoided.
In one embodiment, the copper bar is an inverted-L-shaped copper bar, an inverted-L-shaped groove is formed in the copper bar, and the cooling water input pipe or the cooling water output pipe is placed in the inverted-L-shaped groove. Due to the inverted L-shaped groove, the cooling water input pipe or the cooling water output pipe is arranged in the inverted L-shaped groove, so that the cooling water and the copper bars are not interfered with each other, and the structure is reasonable.
In one embodiment, two opposite sides of the movable housing are respectively provided with a positive wire connector and a negative wire connector, a positive wire in the positive wire connector passes through the movable housing and then is connected with the upper end of one copper bar, and a negative wire in the negative wire connector passes through the movable housing and then is connected with the upper end of the other copper bar.
In one embodiment, the base is provided with a manual XY-direction sliding table, and the manual XY-direction sliding table is provided with the movable shell.
The beneficial effects are that: compared with the prior art, the invention has the advantages that the electromagnetic coil is arranged, so that the empty foil area of the battery pole piece can be electromagnetically heated, the empty foil area is softened, and after passing through the roller and the rolling roller, the empty foil area can be fully extended, and the phenomenon of poor appearance such as wrinkling of the battery pole piece is prevented; the electromagnetic generation block has higher temperature due to heat generated by the long-term approach of the heated empty foil area and the internal resistance of the electromagnetic coil when the electromagnetic coil is electrified, and cooling water flows in the cooling water pipe due to the cooling water input pipe and the cooling water output pipe, so that the temperature of the electromagnetic generation block can be effectively controlled, the electromagnetic generation block is prevented from being burnt out by high-temperature heating, and the service life of the electromagnetic generation block is prolonged; in addition, the electromagnetic heating can realize instant heating, greatly shortens the preheating time, improves the production efficiency, belongs to a clean heating mode, and is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of a heating device for an empty foil area of a battery pole piece;
FIG. 2 is a schematic view of another angle of the heating device for the empty foil region of the battery pole piece of the present invention;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a top view of FIG. 1;
FIG. 6 is a schematic diagram of the structure of the empty foil area heating device of the battery pole piece of the present invention when in operation;
In the figure, a 1-base, a 2-movable shell, a 201-inlet interface, a 202-outlet interface, a 3-electromagnetic generating block, a 301-cooling water cavity, a 302-electromagnetic accommodating cavity, a 4-cooling water input pipe, a 5-cooling water output pipe, a 6-copper bar, a 601-inverted L-shaped groove, a 7-insulating sheet, an 8-positive electrode wire connector, a 9-negative electrode wire connector, a 10-manual XY sliding table, a 11-electromagnetic coil, a 100-battery pole piece, a 110-empty foil area and a 200-roller.
Detailed Description
Referring to fig. 1-5, a heating device for a battery pole piece empty foil area comprises a base 1, a movable shell 2, an electromagnetic generation block 3, a cooling water input pipe 4, a cooling water output pipe 5 and two copper bars 6, wherein a manual XY direction sliding table 10 is arranged on the base 1, the movable shell 2 is installed on the manual XY direction sliding table 10, one side surface of the movable shell 2 is respectively connected with the upper ends of the two copper bars 6, an inlet port 201 and an outlet port 202 are installed on the upper surface of the movable shell 2, the copper bars 6 are inverted-L-shaped copper bars 6, an insulating sheet 7 is arranged between the two copper bars 6, the lower ends of the copper bars 6 are provided with the electromagnetic generation block 3, a cooling water cavity 301 and an electromagnetic accommodation cavity 302 are arranged in the electromagnetic generation block 3, the cooling water cavity 301 is positioned at the periphery of the electromagnetic accommodation cavity 302, the cooling water cavity 301 is communicated with the cooling water input pipe 4 and the cooling water output pipe 5, and an electromagnetic coil 11 connected with a power supply is installed in the electromagnetic accommodation cavity 302. The cooling water input pipe 4 and the cooling water output pipe 5 can effectively prevent the electromagnetic generation block 3 from being excessively burnt, and can effectively control the consistency of the temperature. The manual XY-direction sliding table 10 is a conventional manual XY-direction sliding table, and the movable housing 2 is moved back and forth in the X-direction and the Y-direction by rotating the X-direction handle and the Y-direction handle. The X direction is the longitudinal direction of the electromagnetic generating block 3, and the Y direction is the width direction of the electromagnetic generating block 3.
Wherein, the upper surface of the movable housing 2 is provided with an inlet port 201 and an outlet port 202, two opposite sides of the movable housing 2 are respectively provided with a positive wire connector 8 and a negative wire connector 9, a positive wire is arranged in the positive wire connector 8, and a negative wire is arranged in the negative wire connector 9.
Wherein, be equipped with the type recess 601 of falling L in the copper bar 6, placed cooling water input tube 4 or cooling water output tube 5 in the type recess 601 of falling L, placed cooling water input tube 4 in one copper bar 6, placed cooling water output tube 5 in another copper bar 6, two copper bar 6 upper ends are connected with anodal wire, negative pole wire respectively, two copper bar 6 lower extreme are connected with solenoid 11 both ends respectively, be equipped with the insulating layer on the electromagnetism generation piece 3 surface to prevent copper bar 6 and the electromagnetism generation piece 3 surface circular telegram contact, influence solenoid 11's normal circular telegram.
Referring to fig. 6, the working principle of the above-mentioned heating device for the empty foil area of the battery pole piece is as follows: the battery pole piece 100 is transmitted on the roller 200, the electromagnetic generation block 3 is moved to the upper part of the empty foil area 110 of the battery pole piece 100 through the manual XY movement to the sliding table 10, one end of the inlet port 201 is connected with a cooling water source, the other end of the inlet port 201 is connected with the cooling water input pipe 4, the outlet port 202 is communicated to the cooling water recovery box, the inlet port 201 is opened, cooling water flows in the cooling water input pipe 4, the cooling water cavity 301 and the cooling water output pipe 5, the anode lead and the cathode lead are electrified, the electromagnetic coil 11 is enabled to work through the conduction of the two copper bars 6, the empty foil area 110 is subjected to electromagnetic heating, the temperature of the electromagnetic generation block 3 is kept at a constant temperature, the electromagnetic generation block 3 cannot be burnt out due to the fact that the temperature is too high, meanwhile, the empty foil area 110 can be guaranteed to be fully extended, and bad phenomena such as wrinkles and the like of the battery pole piece are prevented.
Claims (4)
1. The battery pole piece empty foil area heating device is characterized by comprising a base (1), a movable shell (2), an electromagnetic generation block (3), a cooling water input pipe (4) and a cooling water output pipe (5), wherein the movable shell (2) is arranged on the base (1), an inlet port (201) and an outlet port (202) are positioned on the upper surface of the movable shell (2), one end of the cooling water input pipe (4) and one end of the cooling water output pipe (5) are respectively connected with the inlet port (201) and the outlet port (202), a cooling water cavity (301) and an electromagnetic accommodating cavity (302) are arranged in the electromagnetic generation block (3), the cooling water cavity (301) is positioned at the periphery of the electromagnetic accommodating cavity (302), the cooling water input pipe (4) and the other end of the cooling water output pipe (5) are respectively communicated with the cooling water cavity (301), and an electromagnetic coil (11) connected with a power supply is arranged in the electromagnetic accommodating cavity (302); the electromagnetic induction type movable shell is characterized by further comprising two copper bars (6) which are correspondingly arranged, an insulating sheet (7) is arranged between the two copper bars (6), the upper ends of the two copper bars (6) are respectively connected to the movable shell (2), and the lower ends of the two copper bars (6) are connected with the electromagnetic generation block (3).
2. The heating device for the empty foil area of the battery pole piece according to claim 1, wherein the copper bar (6) is an inverted-L-shaped copper bar, an inverted-L-shaped groove (601) is arranged in the copper bar (6), and the cooling water input pipe (4) or the cooling water output pipe (5) is arranged in the inverted-L-shaped groove (601).
3. The heating device for the empty foil area of the battery pole piece according to claim 1, wherein positive electrode lead connectors (8) and negative electrode lead connectors (9) are respectively arranged on two opposite side surfaces of the movable shell (2), a positive electrode lead in the positive electrode lead connector (8) penetrates through the movable shell (2) and then is connected with the upper end of one copper bar (6), and a negative electrode lead in the negative electrode lead connector (9) penetrates through the movable shell (2) and then is connected with the upper end of the other copper bar (6).
4. The battery pole piece empty foil area heating device according to claim 1, wherein a manual XY direction sliding table (10) is arranged on the base (1), and the movable shell (2) is arranged on the manual XY direction sliding table (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310162.XA CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310162.XA CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109304893A CN109304893A (en) | 2019-02-05 |
| CN109304893B true CN109304893B (en) | 2024-05-24 |
Family
ID=65221842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811310162.XA Active CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109304893B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110621092B (en) * | 2019-09-09 | 2024-02-20 | 深圳市赢合科技股份有限公司 | Battery pole piece heating system and heating method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202095122U (en) * | 2011-06-03 | 2011-12-28 | 上海联净电子科技有限公司 | Water cooling type electromagnetic induction heating roller |
| CN202275887U (en) * | 2011-09-20 | 2012-06-13 | 宜春青山能源有限公司 | Lithium ion power battery pole piece wrinkle resistant roller |
| CN203686493U (en) * | 2013-12-13 | 2014-07-02 | 中国航空工业集团公司北京航空精密机械研究所 | Cross sliding table for finely adjusting equipment position |
| CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
| CN207447879U (en) * | 2017-11-17 | 2018-06-05 | 山东省轻工工程学校 | A kind of two-dimentional cross slid platform of small portable teaching |
| CN207967163U (en) * | 2018-03-10 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of pole piece heating device of lithium ion battery |
| CN209580633U (en) * | 2018-11-06 | 2019-11-05 | 力信（江苏）能源科技有限责任公司 | A kind of area battery pole piece Kong Bo heating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6126546B2 (en) * | 2014-03-26 | 2017-05-10 | 株式会社日立製作所 | Method and apparatus for producing negative electrode for lithium ion secondary battery |
-
2018
- 2018-11-06 CN CN201811310162.XA patent/CN109304893B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202095122U (en) * | 2011-06-03 | 2011-12-28 | 上海联净电子科技有限公司 | Water cooling type electromagnetic induction heating roller |
| CN202275887U (en) * | 2011-09-20 | 2012-06-13 | 宜春青山能源有限公司 | Lithium ion power battery pole piece wrinkle resistant roller |
| CN203686493U (en) * | 2013-12-13 | 2014-07-02 | 中国航空工业集团公司北京航空精密机械研究所 | Cross sliding table for finely adjusting equipment position |
| CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
| CN207447879U (en) * | 2017-11-17 | 2018-06-05 | 山东省轻工工程学校 | A kind of two-dimentional cross slid platform of small portable teaching |
| CN207967163U (en) * | 2018-03-10 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of pole piece heating device of lithium ion battery |
| CN209580633U (en) * | 2018-11-06 | 2019-11-05 | 力信（江苏）能源科技有限责任公司 | A kind of area battery pole piece Kong Bo heating device |
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| Publication number | Publication date |
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| CN109304893A (en) | 2019-02-05 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Applicant after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province Applicant before: ETRUST POWER Group Ltd. Country or region before: China |
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