CN114530621A - Flow battery sealing line, sealing wire slot and processing method thereof - Google Patents
Flow battery sealing line, sealing wire slot and processing method thereof Download PDFInfo
- Publication number
- CN114530621A CN114530621A CN202210076141.6A CN202210076141A CN114530621A CN 114530621 A CN114530621 A CN 114530621A CN 202210076141 A CN202210076141 A CN 202210076141A CN 114530621 A CN114530621 A CN 114530621A
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- Prior art keywords
- sealing
- sealing wire
- wire
- line
- flow battery
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- Pending
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- 238000007789 sealing Methods 0.000 title claims abstract description 116
- 238000003672 processing method Methods 0.000 title abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention is suitable for the technical field of flow batteries, and provides a flow battery sealing line, which comprises: a seal wire body; the invention also discloses a sealing wire slot for installing sealing wires and a processing method thereof, wherein the sealing wire slot is arranged on the electrode plate frame and comprises a sealing wire slot body, the side wall of the sealing wire slot body is provided with a sealing wire slot groove root for embedding the sealing wire lug, the sealing wire lug is arranged on the sealing wire slot body, the sealing wire groove root matched with the sealing wire support lug is arranged in the sealing wire groove body, the structure is simple, the operation and the processing are easy, the production cost is low, a worker installs the lug part of the sealing wire at the position corresponding to the sealing wire groove root, the assembly operation between the sealing line and the electrode plate frame is completed, the sealing line can be fixed in the sealing wire slot and does not fall off, the assembly difficulty is reduced, and the operation of secondary manual assembly after falling off is avoided.
Description
Technical Field
The invention belongs to the technical field of flow batteries, and particularly relates to a flow battery sealing line, a flow battery sealing line groove and a processing method of the flow battery sealing line and the flow battery sealing line groove.
Background
The flow battery is called as a redox flow battery, and has the advantages of relative stability, flexible design, high efficiency, environmental protection and large-scale energy storage. At present, the sealing mode of the flow battery galvanic pile mainly adopts line sealing and surface sealing as main modes, the assembly mode of the galvanic pile is a filter-pressing stacking mode, sealing lines are arranged on the front and back surfaces of an electrode plate frame in advance, and how to better fix the sealing lines on the two sides of the electrode plate frame, so that the condition that the sealing lines on the side, which is placed downwards, of the electrode plate frame cannot fall off in the pile loading process is one of key links for improving the sealing effect of the galvanic pile.
Adopt glue to bond the seal line in the seal wire casing of electrode plate frame among the prior art, then can become impurity influence the energy effect of whole electrolyte when glue dissolves to flow into electrolyte, use the seal line after the glue bonds can't carry out secondary cycle and use moreover, so carry out structural design through the seal wire casing and the seal line to the electrode plate frame and realize that the seal line is fixed to become reasonable selection at present.
Disclosure of Invention
The invention provides a flow battery sealing line, a sealing line groove and a processing method thereof, and aims to solve the problems.
The invention is realized in such a way that a flow battery sealing line comprises:
a seal wire body;
and at least one side wall of the part of the sealing line body, which is positioned in the electrode plate frame, is provided with a sealing line lug.
Preferably, the seal line body is rectangular.
Preferably, the seal line lug is arranged at the root part of the side wall of the part of the seal line body, which is positioned in the electrode plate frame.
Preferably, the material of the seal line body is EPDM rubber or fluorine-containing rubber or a material with strong acid and alkali resistance.
Preferably, the seal line body and the seal line lug are designed in a single piece and are injection molded by a mold.
The sealing wire groove for installing the sealing wire of the flow battery is arranged on an electrode plate frame and comprises a sealing wire groove body, wherein a sealing wire groove root for embedding a sealing wire lug is arranged on the side wall of the sealing wire groove body.
Preferably, the cross section of the sealing wire groove is in an inverted T shape and is matched with the cross section of the sealing wire.
A processing method for processing the sealing wire slot comprises the following steps:
fixing an electrode plate frame which is formed by injection molding or processed with a sealing wire slot body on an engraving and milling machine or a numerical control machine through a clamp or a sucking disc;
selecting a cutter, wherein the maximum processing outer diameter of the head of the cutter is smaller than the width of the sealing wire slot body and is larger than one half of the width of the sealing wire slot body, and the diameter of the cutter handle is smaller than one half of the width of the sealing wire slot body, so that the cutter can be ensured to be capable of working deep into the bottom of the sealing wire slot body, and the required shape and size of the sealing wire slot with the groove root can be processed;
and processing through a carving machine or a numerical control machine.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
through set up the sealed line lug on the sealed line body, set up in sealed line lug complex sealed line groove root in sealed line groove is internal, moreover, the steam generator is simple in structure, easy to operate, easy processing, low in production cost, the staff installs corresponding sealed line groove root department with sealed line lug position, the assembly operation between sealed line and the electrode plate frame has been accomplished promptly, let sealed line can fix and not drop in sealed line groove, reduce the assembly degree of difficulty and avoid the operation of the back secondary manual assembly that drops, sealed line can also be torn open, can improve the cyclic utilization rate of sealed line, reduce its cost.
Drawings
Fig. 1 is a schematic structural diagram of a flow battery seal line provided by the present invention;
FIG. 2 is a schematic structural diagram of the assembly of a sealing line and a sealing line groove of a flow battery provided by the invention;
fig. 3 is a schematic view of the sealing wire groove provided by the invention and the processing of the cutter.
Notations for reference numerals: 1-electrode plate frame, 2-sealing line body, 3-sealing line lug, 4-sealing line groove body, 5-sealing line groove root and 6-cutter.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
An embodiment of the present invention provides a flow battery sealing line, as shown in fig. 1-2, including:
the sealing line body 2 is rectangular in the embodiment, surrounds an electrolyte flow channel on the electrode plate frame 1, and is used for sealing the ion exchange membrane and the electrode plate frame 1 to prevent the electrolyte from leaking to the outside of the electrode plate frame 1 and influencing the service life of the cell stack;
the electrode plate frame is characterized in that at least one side wall of the part, located in the electrode plate frame 1, of the sealing line body 2 is provided with a sealing line lug 3, in the embodiment, the two side walls of the preferable sealing line body 2 are provided with the sealing line lugs 3, the sealing line lugs 3 are arranged at the root parts of the side walls of the part, located in the electrode plate frame 1, of the sealing line body 2, so that the cross section of the sealing line is in an inverted T shape, and the corners of the sealing line are provided with round corners to facilitate installation.
Specifically, the material of sealing line body 2 is EPDM rubber or fluorine-containing rubber or prevents strong acid-base nature material, sealing line body 2 and the design of 3 integral types of sealing line lugs, through mould injection moulding, mainly guarantee that the concertina rate and the size of sealing line and the structural shape at each position, position reach the design standard to the plane of the sealing line after injection moulding need level and not have defects such as concave-convex point and exist.
Example 2
On the basis of embodiment 1, the embodiment is used for installing the sealing wire groove of the sealing wire of the flow battery of embodiment 1, which is arranged on an electrode plate frame 1, and is shown in fig. 2 and comprises a sealing wire groove body 4, a sealing wire groove root 5 for embedding a sealing wire lug 3 is arranged on the side wall of the sealing wire groove body 4, a worker installs the sealing wire lug 3 at the position corresponding to the sealing wire groove root 5, so that the assembly operation between the sealing wire and the electrode plate frame 1 is completed, the sealing wire can be fixed in the sealing wire groove without falling off, the assembly difficulty is reduced, the secondary manual assembly operation after falling off is avoided, the sealing wire can be detached, the recycling rate of the sealing wire can be improved, and the cost is reduced.
In this embodiment, the cross-section of the sealing wire slot is in an inverted T shape, and is adapted to the cross-sectional shape of the sealing wire, and the sealing wire slot can be machined to perform secondary machining on the electrode plate frame 1 formed by injection molding of a mold or machined.
Example 3
In this embodiment, on the basis of embodiment 2, a processing method for processing the sealing wire slot described in embodiment 2 includes the following steps:
fixing an electrode plate frame 1 which is formed by injection molding or processed with a sealing wire slot body 4 on a finishing carving machine or a numerical control machine tool through a clamp or a sucking disc;
selecting a cutter, wherein the existing disc cutter or T-shaped cutter can be selected, the maximum processing outer diameter of the head of the cutter is smaller than the width of the sealing wire slot body 4 and is larger than one half of the width of the sealing wire slot body 4, the diameter of the cutter handle is smaller than one half of the width of the sealing wire slot body 4, the cutter handle can be ensured to be capable of deeply inserted into the bottom of the sealing wire slot body 4 for operation, and the shape and the size of the sealing wire slot with the groove root can be processed;
processing through cnc engraving and milling machine or digit control machine tool, it is concrete, cnc engraving and milling machine or digit control machine tool can adopt UG to programme, models into a mould earlier, then carry out cutter route, cutter in UG and feed etc. and programme, produce the processing code, then in leading-in cnc engraving and milling machine or digit control machine tool, in order to avoid appearing bumping accidents such as quick-witted, the engineer need try out the procedure and verify, do not have the problem after, process.
In summary, the working principle of the invention is as follows:
through set up sealed line lug 3 on sealed line body 2, set up in sealed line journal lug complex sealed line groove root 5 in sealed line groove body 4, moreover, the steam generator is simple in structure, easy operation, easy processing, low in production cost, the staff installs corresponding sealed line groove root 5 department with sealed line lug 3 positions, the assembly operation between sealed line and electrode plate frame 1 has been accomplished promptly, let sealed line can fix and not drop in sealed line groove, reduce the assembly degree of difficulty and avoid the operation of the back secondary manual assembly that drops.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a flow battery seal line, its installation is on the electrode plate frame which characterized in that includes:
a seal wire body;
and at least one side wall of the part of the sealing line body, which is positioned in the electrode plate frame, is provided with a sealing line lug.
2. The flow battery seal wire of claim 1, wherein the seal wire body is rectangular.
3. The flow battery seal wire of claim 1, wherein the seal wire lugs are located at the root of the side walls of the portion of the seal wire body located within the electrode plate frame.
4. The flow battery seal wire of claim 1, wherein the seal wire body is made of EPDM rubber, fluorine-containing rubber or a material resistant to strong acids and alkalis.
5. The flow battery seal wire of claim 3, wherein the seal wire body and seal wire lugs are integrally designed and injection molded by a mold.
6. A sealing wire groove for installing the sealing wire of the flow battery as claimed in any one of claims 1 to 3, which is formed on an electrode plate frame, and comprises a sealing wire groove body, wherein the side wall of the sealing wire groove body is provided with a sealing wire groove root for embedding a sealing wire lug.
7. The sealing wire slot of claim 6, wherein the sealing wire slot has an inverted T-shaped cross-section that is adapted to the cross-sectional shape of the sealing wire.
8. A method of forming a sealed wire chase as claimed in claim 6, comprising the steps of:
fixing an electrode plate frame which is formed by injection molding or processed with a sealing wire slot body on an engraving and milling machine or a numerical control machine through a clamp or a sucking disc;
selecting a cutter, wherein the maximum processing outer diameter of the head of the cutter is smaller than the width of the sealing wire slot body and is larger than one half of the width of the sealing wire slot body, and the diameter of the cutter handle is smaller than one half of the width of the sealing wire slot body, so that the cutter can be ensured to be capable of working deep into the bottom of the sealing wire slot body, and the required shape and size of the sealing wire slot with the groove root can be processed;
and processing through a carving machine or a numerical control machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076141.6A CN114530621A (en) | 2022-01-23 | 2022-01-23 | Flow battery sealing line, sealing wire slot and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076141.6A CN114530621A (en) | 2022-01-23 | 2022-01-23 | Flow battery sealing line, sealing wire slot and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114530621A true CN114530621A (en) | 2022-05-24 |
Family
ID=81620303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210076141.6A Pending CN114530621A (en) | 2022-01-23 | 2022-01-23 | Flow battery sealing line, sealing wire slot and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114530621A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1851966A (en) * | 2006-03-17 | 2006-10-25 | 上海攀业氢能源科技有限公司 | Method batching processing fuel-cell graphite board flow-field |
| CN102623719A (en) * | 2012-03-29 | 2012-08-01 | 北京百能汇通科技股份有限公司 | Flow cell frame with diversion structure, galvanic pile and processing method of galvanic pile |
| CN203300744U (en) * | 2013-04-23 | 2013-11-20 | 上海中科高等研究院 | Sealing structure for bipolar plates and flow frame for flow battery |
| CN107845825A (en) * | 2016-09-21 | 2018-03-27 | 中国科学院大连化学物理研究所 | Seal and pile between a kind of redox flow batteries end plate and end-cell |
| US20190319274A1 (en) * | 2016-11-09 | 2019-10-17 | Dalian Rongkepower Co., Ltd | Electrode structure of flow battery, flow battery stack, and sealing structure for flow battery stack |
| CN111477904A (en) * | 2020-04-30 | 2020-07-31 | 大连融科储能装备有限公司 | Independent unit structure of all-vanadium redox flow battery, preparation method and application |
| CN213304179U (en) * | 2020-11-16 | 2021-05-28 | 海川太风水储能科技(无锡)有限公司 | Sealing line structure of iron-chromium flow battery ion exchange membrane |
| CN113161680A (en) * | 2021-04-30 | 2021-07-23 | 上海建桥学院有限责任公司 | Locking module part of battery fixing device and numerical control machining method thereof |
| CN113334582A (en) * | 2021-06-08 | 2021-09-03 | 一汽解放汽车有限公司 | Graphite bipolar plate processing device and processing method |
-
2022
- 2022-01-23 CN CN202210076141.6A patent/CN114530621A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1851966A (en) * | 2006-03-17 | 2006-10-25 | 上海攀业氢能源科技有限公司 | Method batching processing fuel-cell graphite board flow-field |
| CN102623719A (en) * | 2012-03-29 | 2012-08-01 | 北京百能汇通科技股份有限公司 | Flow cell frame with diversion structure, galvanic pile and processing method of galvanic pile |
| CN203300744U (en) * | 2013-04-23 | 2013-11-20 | 上海中科高等研究院 | Sealing structure for bipolar plates and flow frame for flow battery |
| CN107845825A (en) * | 2016-09-21 | 2018-03-27 | 中国科学院大连化学物理研究所 | Seal and pile between a kind of redox flow batteries end plate and end-cell |
| US20190319274A1 (en) * | 2016-11-09 | 2019-10-17 | Dalian Rongkepower Co., Ltd | Electrode structure of flow battery, flow battery stack, and sealing structure for flow battery stack |
| CN111477904A (en) * | 2020-04-30 | 2020-07-31 | 大连融科储能装备有限公司 | Independent unit structure of all-vanadium redox flow battery, preparation method and application |
| CN213304179U (en) * | 2020-11-16 | 2021-05-28 | 海川太风水储能科技(无锡)有限公司 | Sealing line structure of iron-chromium flow battery ion exchange membrane |
| CN113161680A (en) * | 2021-04-30 | 2021-07-23 | 上海建桥学院有限责任公司 | Locking module part of battery fixing device and numerical control machining method thereof |
| CN113334582A (en) * | 2021-06-08 | 2021-09-03 | 一汽解放汽车有限公司 | Graphite bipolar plate processing device and processing method |
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Application publication date: 20220524 |