CN211879519U - Segmented liquid inlet plate and flow battery - Google Patents
Segmented liquid inlet plate and flow battery Download PDFInfo
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- CN211879519U CN211879519U CN202020930627.8U CN202020930627U CN211879519U CN 211879519 U CN211879519 U CN 211879519U CN 202020930627 U CN202020930627 U CN 202020930627U CN 211879519 U CN211879519 U CN 211879519U
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- liquid inlet
- main flow
- hole
- flow
- plate
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- 239000007788 liquid Substances 0.000 title claims abstract description 90
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims description 31
- 238000004080 punching Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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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Abstract
The utility model discloses a sectional type advances liquid board and redox flow battery. This sectional type feed liquor board includes feed liquor A board and feed liquor B board, wherein: the side surface of the liquid inlet A plate is provided with two first main flow holes which are not penetrated and are waist-shaped and two first main flow holes which are not penetrated and are circular; four runner ports are arranged on the thickness surface of the liquid inlet plate A; the four first main flow holes and the four runner ports are respectively communicated in a one-to-one correspondence manner through the straight through holes; the side surface of the liquid inlet B plate is provided with four penetrating second main flow holes in a circular shape; the second main orifice corresponds to the first main orifice in position one to one. The sectional type liquid inlet plate is simple in structure, drainage is achieved by the aid of the main flow holes in waist shapes, accordingly, punching difficulty is reduced, and the sectional type liquid inlet plate is easy to process.
Description
Technical Field
The utility model relates to a sectional type advances liquid board and redox flow battery.
Background
The flow battery is generally composed of a plurality of single electric piles which are connected in series, and the electrolyte supply circulation of the electric piles is realized by connecting the two side liquid inlet plates with a system pipeline. In addition, in order to improve the flowing uniformity of the electrolyte and reduce the bypass current loss, a multi-sub-stack structure is usually adopted, and the number of liquid inlet plates in the flow battery is correspondingly increased. The liquid inlet plate is generally provided with a runner port, a main runner hole and a communication runner between the runner port and the main runner hole. If the runner opening is arranged on the thickness surface of the liquid inlet plate, the size of the runner opening is limited by the thickness of the liquid inlet plate, and the high-power flow battery needs a thicker liquid inlet plate, so that the cost, the size and the thickness of the flow battery are increased. If realize just, negative pole electrolyte feed liquor and play liquid through a liquid inlet plate, need have four runner mouths on the liquid inlet plate thickness face, and because of the master orifice highly uniform on the electrode frame, two runners between runner mouth and the master orifice on the liquid inlet plate are the straight line, and two are the L type, increase the degree of difficulty of punching.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome among the prior art flow channel mouth setting of redox flow battery inlet plate and punch the big defect of the degree of difficulty when on the feed liquor plate thickness face to a sectional type inlet plate and redox flow battery are provided.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a sectional type liquid inlet plate, it includes liquid inlet a board and liquid inlet B board that length and width are the same, wherein:
the side surface of the liquid inlet A plate is provided with two first main flow holes which are not penetrated and are waist-shaped and two first main flow holes which are not penetrated and are circular; four runner ports are arranged on the thickness surface of the liquid inlet plate A; the four first main flow holes and the four runner ports are respectively communicated in a one-to-one correspondence manner through the straight through holes;
the side surface of the liquid inlet B plate is provided with four penetrating second main flow holes in a circular shape; the second main orifice corresponds to the first main orifice in position one to one.
The utility model discloses in, preferably, feed liquor A board with feed liquor B plate thickness ratio is (5 ~ 10): 1.
the utility model discloses in, the thickness of feed liquor A board can be 20 ~ 100mm, is 50mm better.
The utility model discloses in, the thickness of feed liquor B board can be 5 ~ 15mm, is 10mm better.
The utility model discloses in, preferably, the outside of the first mainstream hole of waist shape is equipped with sealed wire casing to be equipped with sealed line. The sealing line is matched with the liquid inlet B plate plane to realize sealing and prevent the leakage of electrolyte. The seal line is preferably an O-shaped seal line.
The utility model discloses in, preferably, two the major axis of the first mainstream hole of waist shape is located same straight line, and with the long limit of feed liquor A board is parallel.
In the present invention, preferably, the inner end of the waist-shaped first main flow hole is communicated with the through hole to form an L-shaped flow channel; correspondingly, the outer end of the waist-shaped first main flow hole corresponds to the second main flow hole. The inner end refers to one end of the first main flow hole close to the center of the liquid inlet A plate; the outer end refers to one end of the first main flow hole far away from the center of the liquid inlet A plate.
In the present invention, preferably, the through hole includes a shallow through hole or a deep through hole.
The utility model discloses in, preferably, four the runner port all is located the same thickness face of feed liquor A board. This has the advantage that the length of the liquid inlet plate can be reduced, and the material cost is reduced.
The utility model discloses in, four among the runner mouth, two the runner mouth is just, the import of negative electrolyte respectively, all the other two the runner mouth is just, the export of negative electrolyte respectively. When the flow channel openings are all located on the same thickness surface of the liquid inlet A plate, preferably, from bottom to top, the first flow channel opening and the second flow channel opening are respectively an inlet of positive electrolyte and a negative electrolyte, and the third flow channel opening and the fourth flow channel opening are respectively an outlet of the positive electrolyte and the negative electrolyte.
In the present invention, when the flow channel ports are all located on the same thickness surface of the liquid inlet a plate, preferably, from bottom to top, the first flow channel port is communicated with the first circular main flow hole, the second flow channel port is communicated with the first kidney-shaped main flow hole, the third flow channel port is communicated with the first kidney-shaped main flow hole, and the fourth flow channel port is communicated with the first circular main flow hole; preferably, among the four flow port openings, from bottom to top, the first flow port opening is communicated with the first circular main flow hole through the shallow through hole, the second flow port opening is communicated with the first kidney-shaped main flow hole through the deep through hole, the third flow port opening is communicated with the first kidney-shaped main flow hole through the deep through hole, and the fourth flow port opening is communicated with the first circular main flow hole through the shallow through hole.
In a preferred embodiment, the flow passage ports are all positioned on the same thickness surface of the liquid inlet A plate, from bottom to top, a first flow passage port is communicated with a first circular main flow hole through a shallow straight through hole, a second flow passage port is communicated with a first kidney-shaped main flow hole through a deep straight through hole, a third flow passage port is communicated with the first kidney-shaped main flow hole through the deep straight through hole, and a fourth flow passage port is communicated with the first circular main flow hole through the shallow straight through hole; wherein, the first runner port and the second runner port are respectively an inlet of positive electrolyte and a negative electrolyte, and the third runner port and the fourth runner port are respectively an outlet of the positive electrolyte and the negative electrolyte.
In the above preferred embodiment, the electrolyte in the segmented liquid inlet plate flows in the following manner:
the positive electrolyte firstly enters a first runner opening from bottom to top on the thickness surface of the liquid inlet A plate, enters a corresponding circular first main flow hole through a shallow straight-through hole, enters a corresponding second main flow hole on the lower side of the liquid inlet B plate, then flows through each battery carbon felt in a shunting manner, flows back and is converged to a second main flow hole on the upper side of the liquid inlet B plate, and flows out from a third runner opening from bottom to top on the thickness surface of the liquid inlet A plate through an L-shaped flow channel formed by a kidney-shaped first main flow hole on the upper side of the liquid inlet A plate and a deep straight-through hole;
negative electrolyte firstly enters a second runner opening from bottom to top on the thickness surface of the liquid inlet A plate, enters a second main flow hole corresponding to the lower side of the liquid inlet B plate through an L-shaped runner formed by a deep through hole and a waist-shaped first main flow hole on the lower side of the liquid inlet A plate, then flows through each battery carbon felt in a shunting manner, flows back and converges to a second main flow hole on the upper side of the liquid inlet B plate, enters a first circular main flow hole corresponding to the upper side of the liquid inlet A plate, and flows out from a fourth runner opening from bottom to top on the thickness surface of the liquid inlet A plate through a shallow through hole.
The utility model discloses in, the sectional type liquid inlet plate is when using, feed liquor A board is adjacent with the end plate, feed liquor B board is adjacent with the electrode frame, the main line in second mainstream hole corresponds respectively with the mainstream hole of electrode frame. The end plate is an iron plate which is the same as the liquid inlet A plate in length and width and has a certain thickness, and plays a role in clamping and locking together with the screw nut. The liquid inlet B plate is mainly used for separating the electrode frame from the liquid inlet A plate and preventing electrolyte in the electrode frame from flowing to the liquid inlet A plate except the first main flow hole.
A flow battery includes the segmented plate.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a flow passage mouth sets up the sectional type feed liquor board on feed liquor board thickness face, and simple structure utilizes the mainstream hole realization drainage that the shape is waist shape to reduce the degree of difficulty of punching, workable.
Drawings
Fig. 1 is a sectional type liquid inlet plate according to embodiment 1 of the present invention.
Reference numerals:
1. liquid inlet A plate;
2. a liquid inlet plate B;
3. the flow passage ports are respectively a first flow passage port 31, a second flow passage port 32, a third flow passage port 33 and a fourth flow passage port 34 from bottom to top;
4. first primary flow holes including circular first primary flow holes 41 and 44, kidney-shaped first primary flow holes 42 and 43;
5. through holes, including shallow through holes 51 and 54, deep through holes 52 and 53;
6. a second main flowbore comprising 61, 62, 63 and 64;
the solid line arrows indicate the direction of flow of the positive electrolyte, and the broken line arrows indicate the flow of the negative electrolyte.
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
Example 1
A block type liquid inlet plate is shown in figure 1.
This sectional type feed liquor board includes that length and width are the same feed liquor A board 1 (thickness is 50mm) and feed liquor B board 2 (thickness is 10mm), wherein:
the side surface of the liquid inlet A plate 1 is provided with a first main flow hole 4 which comprises two non-penetrating first main flow holes 42 and 43 in a kidney shape and two non-penetrating first main flow holes 41 and 44 in a circular shape; the long axes of the first waist-shaped main flow holes 42 and 43 are positioned on the same straight line and are parallel to the long side of the liquid inlet A plate 1; sealing wire grooves are arranged outside the waist-shaped first main flow holes 42 and 43, and O-shaped sealing wires are arranged;
four runner ports 3 are arranged on the same thickness surface of the liquid inlet A plate 1, and a first runner port 31, a second runner port 32, a third runner port 33 and a fourth runner port 34 are respectively arranged from bottom to top; the first flow passage port 31 and the second flow passage port 32 are respectively an inlet of positive electrolyte and a negative electrolyte, and the third flow passage port 33 and the fourth flow passage port 34 are respectively an outlet of the positive electrolyte and the negative electrolyte;
the four first main flow holes 4 and the four flow port openings 3 are respectively communicated in one-to-one correspondence through the through holes 5, specifically, the first flow port opening 31 is communicated with the circular first main flow hole 41 through the shallow through hole 51, the second flow port opening 32 is communicated with the kidney-shaped first main flow hole 42 through the deep through hole 52, the third flow port opening 33 is communicated with the kidney-shaped first main flow hole 43 through the deep through hole 53, and the fourth flow port opening 34 is communicated with the circular first main flow hole 44 through the shallow through hole 54; the deep through hole 52 is communicated with the inner end of the waist-shaped first main flow hole 42 to form an L-shaped flow passage; the deep through hole 53 is communicated with the inner end of the waist-shaped first main flow hole 43 to form an L-shaped flow passage;
four penetrating second main flow holes 6(61, 62, 63 and 64) in a circular shape are formed in the side surface of the liquid inlet B plate 2, the second main flow holes 6 correspond to the first main flow holes 4 in position one to one, specifically, the second main flow hole 61 corresponds to the circular first main flow hole 41, the second main flow hole 62 corresponds to the outer end of the kidney-shaped first main flow hole 42, the second main flow hole 63 corresponds to the outer end of the kidney-shaped first main flow hole 43, and the second main flow hole 64 corresponds to the circular first main flow hole 44.
The flow-through mode of the positive electrolyte in the segmented liquid inlet plate is shown by a solid arrow in fig. 1, and specifically: the positive electrolyte firstly enters a first channel opening 31 from bottom to top on the thickness surface of the liquid inlet A plate 1, enters a corresponding circular first main flow hole 41 through a shallow straight-through hole 51, enters a corresponding second main flow hole 61 on the liquid inlet B plate 2, then flows through each battery carbon felt in a shunting manner, flows back and converges to a second main flow hole 63, and flows out from a third channel opening 33 from bottom to top on the thickness surface of the liquid inlet A plate 1 through an L-shaped channel formed by a kidney-shaped first main flow hole 43 and the deep straight-through hole 53;
the flow mode of the negative electrolyte in the segmented liquid inlet plate is shown as a dotted arrow in fig. 1, and specifically: the negative electrolyte firstly enters the second channel opening 32 from bottom to top on the thickness surface of the liquid inlet A plate 1, passes through the L-shaped flow channel formed by the deep through hole 52 and the waist-shaped first main flow hole 42, enters the corresponding second main flow hole 62 on the liquid inlet B plate 2, then flows through each battery carbon felt in a divided mode, flows back and is converged to the second main flow hole 64, enters the corresponding circular first main flow hole 44 of the liquid inlet A plate 1, and flows out from the fourth channel opening 34 from bottom to top on the thickness surface of the liquid inlet A plate 1 through the shallow through hole 54.
When the block type liquid inlet plate is used, the liquid inlet plate A1 is adjacent to the end plate, the liquid inlet plate B2 is adjacent to the electrode frame, and the main axis of the second main flow hole 6 corresponds to the main flow holes of the electrode frame respectively. The end plate is an iron plate which has the same length and width as the liquid inlet A plate 1 and a certain thickness, and plays a role in clamping and locking together with the screw nut. The liquid inlet B plate separates the electrode frame from the liquid inlet A plate 1 and prevents the electrolyte in the electrode frame from flowing to the structure of the liquid inlet A plate 1 except the first main flow hole 4.
Claims (10)
1. The utility model provides a sectional type liquid inlet plate, its characterized in that, it includes the same feed liquor A board of length and width and feed liquor B board, wherein:
the side surface of the liquid inlet A plate is provided with two first main flow holes which are not penetrated and are waist-shaped and two first main flow holes which are not penetrated and are circular; four runner ports are arranged on the thickness surface of the liquid inlet plate A; the four first main flow holes and the four runner ports are respectively communicated in a one-to-one correspondence manner through the straight through holes;
the side surface of the liquid inlet B plate is provided with four penetrating second main flow holes in a circular shape; the second main orifice corresponds to the first main orifice in position one to one.
2. The segmented liquid inlet plate according to claim 1, wherein the thickness ratio of the liquid inlet plate A to the liquid inlet plate B is (5-10): 1.
3. the segmented liquid inlet plate according to claim 1, wherein a seal line groove is provided outside the waist-shaped first main flow hole and a seal line is provided.
4. The segmented liquid inlet plate according to claim 1, wherein the long axes of the two kidney-shaped first main flow holes are positioned on the same straight line and are parallel to the long side of the liquid inlet A plate;
the inner end of the waist-shaped first main flow hole is communicated with the straight-through hole to form an L-shaped flow passage; the outer end of the waist-shaped first main flow hole corresponds to the second main flow hole.
5. The segmented liquid inlet plate of claim 1 wherein said through holes comprise shallow through holes or deep through holes.
6. The segmented liquid inlet plate according to claim 1, wherein four of said flow channel openings are located on the same thickness surface of said liquid inlet A plate.
7. The segmented liquid inlet plate according to claim 6, wherein, from bottom to top, of the four flow ports, the first flow port and the second flow port are inlets for positive and negative electrolyte, respectively, and the third flow port and the fourth flow port are outlets for positive and negative electrolyte, respectively.
8. The segmented liquid inlet plate according to claim 6, wherein a first of the four flow ports is communicated with the first circular main flow hole, a second of the four flow ports is communicated with the first kidney-shaped main flow hole, a third of the four flow ports is communicated with the first kidney-shaped main flow hole, and a fourth of the four flow ports is communicated with the first circular main flow hole.
9. The segmented liquid inlet plate according to claim 8 wherein, of the four flow port openings, from bottom to top, a first flow port opening communicates with the first main flow port having a circular shape through the shallow through hole, a second flow port opening communicates with the first main flow port having a kidney-shape through the deep through hole, a third flow port opening communicates with the first main flow port having a kidney-shape through the deep through hole, and a fourth flow port opening communicates with the first main flow port having a circular shape through the shallow through hole.
10. A flow battery, characterized in that, the flow battery comprises the block type liquid inlet plate of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930627.8U CN211879519U (en) | 2020-05-28 | 2020-05-28 | Segmented liquid inlet plate and flow battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930627.8U CN211879519U (en) | 2020-05-28 | 2020-05-28 | Segmented liquid inlet plate and flow battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211879519U true CN211879519U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020930627.8U Active CN211879519U (en) | 2020-05-28 | 2020-05-28 | Segmented liquid inlet plate and flow battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211879519U (en) |
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2020
- 2020-05-28 CN CN202020930627.8U patent/CN211879519U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: No. 8 Qianchuan Road, Chaohu Economic Development Zone, Hefei City, Anhui Province, 238014 Patentee after: Shanghai Electric (Anhui) energy storage technology Co.,Ltd. Address before: 30th Floor, No. 8 Xingyi Road, Changning District, Shanghai, 2003 Patentee before: Shanghai Electric Group Co.,Ltd. |