CN2852410Y - Battery stack locking mechanism for redox flow cell energy-storage apparatus - Google Patents
Battery stack locking mechanism for redox flow cell energy-storage apparatus Download PDFInfo
- Publication number
- CN2852410Y CN2852410Y CNU2005201146492U CN200520114649U CN2852410Y CN 2852410 Y CN2852410 Y CN 2852410Y CN U2005201146492 U CNU2005201146492 U CN U2005201146492U CN 200520114649 U CN200520114649 U CN 200520114649U CN 2852410 Y CN2852410 Y CN 2852410Y
- Authority
- CN
- China
- Prior art keywords
- battery pile
- insulation sleeve
- screw
- battery
- insulating case
- 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.)
- Expired - Lifetime
Links
- 238000004146 energy storage Methods 0.000 title claims description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 21
- 238000009422 external insulation Methods 0.000 claims description 16
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model belongs to the battery pile manufacturing field of a liquid flow battery. The utility model is characterized in that the utility model comprises metal locking screws, an upper metal pad sheet, a lower metal pad sheet, a T-shaped inner insulation sleeve, a T-shaped outer insulation sleeve and locking nuts; the upper pad sheet and the lower pad sheet are rotated and pressed in the upper parts of the inner insulation sleeve and the outer insulation sleeve by the locking nuts under the function of the locking screws, and the battery pile clamped between the inner insulation sleeve and the outer insulation sleeve is locked; the locking mechanism is arranged in screw holes which are uniformly distributed in a seal region of the battery pile in parallel. Compared with the flange pressing and seal method, the utility model has the advantages of simple structure, easy fabrication and reliable seal, causes the occupied area of the seal area to be descended, raises the utilization rate of battery materials, reduces the weight of the battery pile and reduces the manufacture cost.
Description
Technical field
The utility model relates to the battery pile of flow battery and makes the field.
Background technology
Along with high speed development of national economy, the contradiction between the energy, resource, the environment seems and becomes increasingly conspicuous, and is main renewable and clean energy resource by development solar energy, wind power generation, for realizing that sustainable economic development lay the foundation.Because solar energy, wind energy produce marked change along with changing its energy output round the clock, the electric energy that is difficult to keep stable is exported, and the apparatus for storing electrical energy of needs and certain scale matches, and constitutes complete electric power system, guarantees continual and steady supply of electrical energy.Therefore, exploitation energy conversion efficiency height, stored energy capacitance energy-storage system big, that economic performance is good become the key of development renewable and clean energy resource.The redox flow batteries system can realize that electrical power storage transforms with efficient, has the characteristics of long service life, environmental protection, safety, is easy to be complementary with solar energy, wind power generation, reduces equipment manufacturing cost significantly, for renewable energy utilization provides technique guarantee.Vanadium redox battery (Vanadium Redox Battery, VRB) be a kind of mechanism of new electrochemical power sources, vanadium ion by different valence state transforms storage and the release that realizes electric energy mutually, be the battery system that unique use element of the same race is formed in numerous chemical power sources, avoided variety classes active material between positive and negative half-cell to interpenetrate the cross pollution of generation from principle.When the power of wind energy, device of solar generating surpasses rated output power,, electric energy is converted into chemical energy is stored in the ion of different valence state by charging to redox flow batteries; When Blast Furnace Top Gas Recovery Turbine Unit (TRT) can not satisfy rated output power, flow battery began discharge, and the chemical energy that stores is converted into electric energy, guaranteed the output of stable electrical power.
Each monocell of vanadium redox battery can only provide the voltage about 1.26V, needs in the real process some monocells are connected into battery pack, uses collector plate to connect between monocell, could export the electric current and the voltage of rated power.In order to develop extensive redox flow battery energy storage system, the battery pile of flow battery becomes important step, need guarantee that electrolyte does not leak outside in the device running, anodal simultaneously, negative pole electrolyte is isolated from each other, in battery pile, only contact with collector plate front and back electrode, avoid short circuit phenomenon to take place between each collector plate, the battery pile retaining mechanism of flow battery becomes key issue.
Existing flow battery is realized sealing and battery pile locking by frame mechanism, utilize the centre of two thick and heavy square flanged plates with all parts clampings in the battery pile, carry out insulation processing between flanged plate and cell end plate, by stock trip bolt pressuring method battery pile is locked, reach hermetic electrolyte liquid purpose (United States Patent (USP): No 4,886,586).There is the structure heaviness in this locking mode, need processes electrolyte inflow, flow pass separately on cell end plate, increases material usage and the cost of making battery pile, amplifies and reduces production costs for further engineering and bring difficulty.
A kind of method in addition is to adopt a fixed frame and the frame that compresses with matching, and some monocells are inlaid in the fixed frame, uses the trip bolt pressuring method that compresses on the frame to compress battery pile.(Chinese patent: CN2727974Y),, be easy to generate the solution leakage problem after compressing because the spacing that compresses between frame and the fixed frame is difficult to be consistent for the large-sized battery heap.
The utility model content
In order to address the above problem, the application adopts the screw lock mechanism with insulating case, and original metal battery end plate both as the electric current output block, is used as secure component again, saves thick and heavy flanged plate parts, finishes electrolyte sealing in the battery pile.Utilize cheap general engineering plastic as insulating case, realize insulating between each collector plate.Because lock-screw is installed in the edge sealing area of battery pile, shortened distance between the interior sealing area of locking point and battery pile, improve the battery pile stock utilization, reduce raw materials consumption, improve sealing property simultaneously, reduce the battery pile manufacturing cost.
The purpose of this utility model is to provide a kind of battery pile retaining mechanism of redox flow batteries, improves the reliability of cell sealing mechanism.
Of the present utility model being characterised in that: the battery pile retaining mechanism that the redox flow batteries energy storage device is used, it is characterized in that, this retaining mechanism comprises: insulating case in " T " font external insulation sleeve of metal lock-screw, upper and lower two metallic gaskets, electrical insulating material system and " T " font, and locking nut; Described upper and lower two pads lay respectively between described lock-screw upper end and the external insulation sleeve upper end successively, and between described the lock-screw locking nut and interior insulating case upper end used; The outside, insulating case lower end in the local embedding in described external insulation sleeve lower end is pressed in; Described lock-screw is with described upper and lower pad, inside and outside insulating case and locking nut is coaxial links to each other, and inserts and runs through battery pile between the compacted described inside and outside insulating case upper end by screw hole; Described each parts constitute one group of retaining mechanism, and the described screw hole of organizing in the retaining mechanism evenly and abreast is distributed on the edge direction of described battery pile end plate more, and the position is near the sealing area outside of battery pile.
Foregoing invention provides and has made simply, the battery pile retaining mechanism of the flow battery of reliable in structure, realizes insulation fully between all conductive components in the battery pile; Match with stack components, guarantee electrolyte external seal and positive pole, negative pole electrolyte are isolated from each other.Because lock-screw is installed in the edge sealing area of battery pile, obviously shorten distance between the interior sealing area of locking point and battery pile, effectively reduce the sealing area area occupied, improve the battery pile stock utilization; Save thick and heavy flanged plate parts in the existing battery pile sealing mechanism simultaneously, simplify retaining mechanism, the conserve batteries composting is made required raw materials consumption, reduces the battery pile manufacturing cost.
Description of drawings
The battery pile retaining mechanism partial, longitudinal cross-sectional of Fig. 1 flow battery
The 1-lock-screw, 21, the 22-pad, 3-external insulation sleeve, 4-battery pile, insulating case in the 5-, 6-locking nut.
Fig. 2 cell end plate schematic diagram
Embodiment
According to structure shown in Figure 1, select for use 30 millimeters nylon rods of diameter as raw material, utilize machining mode, make 10 millimeters of internal diameters, the external insulation sleeve 3 that wall thickness is 1 millimeter; 10 millimeters of external diameters, the interior insulating case 5 that wall thickness is 1 millimeter; Use 8 millimeters of diameters, long 100 millimeters stainless steel screw is as lock-screw 1.Interior insulating case 5, external insulation sleeve 3 length are all less than locking back battery pile thickness, but auto-stitching after insulating case 5 inserts external insulation sleeves 3 in when lock-screw 1 reinforcing.Fig. 2 provides the cell end plate schematic diagram, and what locking point was located immediately at battery pile compresses sealing area (dash area) inside, shortens sealing area spacing in locking point and the battery pile.12 millimeters of screw hole diameters, 70 millimeters of screw hole spacings.In order to reduce the pressure of 5 pairs of external insulation sleeves 3 of lock-screw 1 and locking nut and interior insulating case 5, be furnished with metallic gasket 21 and 22 at external insulation sleeve 3 and interior insulating case 5 two ends, increase the lifting surface area of internal and external insulating, reduce insulating case deformation, realize effectively sealing locking, prolong insulating case useful life.Utilize retaining mechanism of the present invention, make 3 monocell series-connected cell heaps of vanadium redox battery, show that lock sealing is respond well, avoided the circulate electrolyte process by battery pile to external leakage, do not have simultaneously battery pile internal positive, negative pole electrolyte leakage phenomenon intersected with each other yet.Battery pile charging process voltage is kept near the 4.5V, and discharge voltage 3.6V shows that inside and outside insulating case 3 and 5 reaches designing requirement, realizes good insulation between the conduction collector plate.
The utility model has following characteristics:
1) retaining mechanism of redox flow batteries heap is by consisting of with lower end-piece: lock-screw 1, pad 2, external insulation sleeve 3, Interior insulation sleeve 5, locking nut 6; Lock-screw 1 is positioned at the inside of inside and outside insulation sleeve 5,3 after installing, by inside and outside exhausted Edge cover 5,3 avoids short circuit phenomenon to take place the insulation of the conductive component in metal lock-screw 1 and the battery pile; Pass through lock-screw 1, nut 6 cooperatively interacts, and all parts in the battery pile are compressed, and realizes sealing function.
When 2) described retaining mechanism is used for battery pile, the screw hole spacing in 40～110 millimeters scopes, the screw hole diameter 8～In 20 millimeters scopes, all screw holes are uniform along being parallel to edge direction on cell end plate, and the compression that is located immediately at battery pile is close The envelope intra-zone shortens sealing area spacing in locking point and the battery pile.
3) internal diameter of described external insulation sleeve 3 is slightly larger than the external diameter of interior insulation sleeve 5, and both length sums are pressed greater than battery pile thickness It is inner more than 2 millimeters that insulation sleeve 5 inserts external insulation sleeve 3 in after tight, guarantees insulation effect by intersecting to cooperate; Both are by absolutely The edge material is made, such as: the engineering plastics such as nylon, polyvinyl chloride, polyethylene, polypropylene, ABS.
4) described external insulation sleeve 3, interior insulation sleeve 5 one ends are processed into the step cutting pattern of 15～40 millimeters of external diameters, and spiral shell is left in the centre The nail hole. Utilize the insulation of 1 of this step cutting pattern realization cell end plate and lock-screw.
5) described pad 21,22 external diameters are made by metal material processing 15～40 millimeters scopes, for example: 314 stainless steels, 316 stainless steels, alloy aluminum etc.
Battery pile locking mechanism of the present utility model is simple, easily manufactured, and sealing is reliable, effectively reduces the sealing area area occupied, improves the battery pile stock utilization; Save thick and heavy flanged plate parts in the existing battery pile sealing mechanism simultaneously, reduce battery pile and make required raw material, obviously reduce the battery pile manufacturing cost, large-scale electric energy transforms and the chemical power source technology of storage lays the foundation for development is used for.
Claims (1)
1. the battery pile retaining mechanism used of redox flow batteries energy storage device, it is characterized in that, this retaining mechanism comprises: insulating case in " T " font external insulation sleeve of metal lock-screw, upper and lower two metallic gaskets, electrical insulating material system and " T " font, and locking nut; Described upper and lower two pads lay respectively between described lock-screw upper end and the external insulation sleeve upper end successively, and between described the lock-screw locking nut and interior insulating case upper end used; The outside, insulating case lower end in the local embedding in described external insulation sleeve lower end is pressed in; Described lock-screw is with described upper and lower pad, inside and outside insulating case and locking nut is coaxial links to each other, and inserts and runs through battery pile between the compacted described inside and outside insulating case upper end by screw hole; Described each parts constitute one group of retaining mechanism, and the described screw hole of organizing in the retaining mechanism evenly and abreast is distributed on the edge direction of described battery pile end plate more, and the position is near the sealing area outside of battery pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201146492U CN2852410Y (en) | 2005-11-18 | 2005-11-18 | Battery stack locking mechanism for redox flow cell energy-storage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201146492U CN2852410Y (en) | 2005-11-18 | 2005-11-18 | Battery stack locking mechanism for redox flow cell energy-storage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852410Y true CN2852410Y (en) | 2006-12-27 |
Family
ID=37586365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201146492U Expired - Lifetime CN2852410Y (en) | 2005-11-18 | 2005-11-18 | Battery stack locking mechanism for redox flow cell energy-storage apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852410Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306821A (en) * | 2011-07-08 | 2012-01-04 | 清华大学 | End plate pressing component of redox flow cell galvanic pile |
| WO2013102387A1 (en) * | 2012-01-04 | 2013-07-11 | Cui Ji | Pressing mechanism for assembling redox flow battery |
| CN105047978A (en) * | 2015-09-07 | 2015-11-11 | 上海久能能源科技发展有限公司 | Plate cavity type flow battery |
| CN110611149A (en) * | 2019-09-10 | 2019-12-24 | 广东通宇通讯股份有限公司 | A insulating installation device for antenna boom |
-
2005
- 2005-11-18 CN CNU2005201146492U patent/CN2852410Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306821A (en) * | 2011-07-08 | 2012-01-04 | 清华大学 | End plate pressing component of redox flow cell galvanic pile |
| CN102306821B (en) * | 2011-07-08 | 2014-07-23 | 清华大学 | End plate pressing component of redox flow cell galvanic pile |
| WO2013102387A1 (en) * | 2012-01-04 | 2013-07-11 | Cui Ji | Pressing mechanism for assembling redox flow battery |
| CN105047978A (en) * | 2015-09-07 | 2015-11-11 | 上海久能能源科技发展有限公司 | Plate cavity type flow battery |
| CN110611149A (en) * | 2019-09-10 | 2019-12-24 | 广东通宇通讯股份有限公司 | A insulating installation device for antenna boom |
| CN110611149B (en) * | 2019-09-10 | 2024-07-09 | 广东通宇通讯股份有限公司 | Insulating mounting device for antenna bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061227 |
|
| EXPY | Termination of patent right or utility model |