CN220821646U - Tubular fuel cell stack - Google Patents
Tubular fuel cell stack Download PDFInfo
- Publication number
- CN220821646U CN220821646U CN202321726080.XU CN202321726080U CN220821646U CN 220821646 U CN220821646 U CN 220821646U CN 202321726080 U CN202321726080 U CN 202321726080U CN 220821646 U CN220821646 U CN 220821646U
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- Prior art keywords
- shaped plate
- tube body
- inner tube
- fuel cell
- strip
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- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 40
- 238000009434 installation Methods 0.000 description 7
- 239000004449 solid propellant Substances 0.000 description 5
- 210000000170 cell membrane Anatomy 0.000 description 3
- 238000005187 foaming Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Abstract
The utility model discloses a tubular fuel cell stack, wherein the cell tube further comprises: the battery tube comprises an inner tube body, an outer tube body sleeved on the outer side of the inner tube body and an air tube penetrating into the inner tube body, wherein at least two anode conductive strips extending along the axial direction of the inner tube body are laid on the outer surface of the air tube, a plurality of elastic conductive blocks in interference contact with the inner wall of the inner tube body are welded on each anode conductive strip at intervals, a circuit protection layer is covered in an area, which is not welded with the elastic conductive blocks, of the anode conductive strips, a cathode conductive strip which is used for being electrically connected with the anode conductive strips of the adjacent battery tubes is laid on the outer surface of the inner tube body, and cathode conductive wires spirally wound on the outer surface of the inner tube body are arranged on the outer side of the cathode conductive strips extending along the axial direction of the inner tube body. The utility model can realize the electric connection between the adjacent battery tubes without damaging the inner tube body and the air tube, and improves the stability and reliability of the performance in the long-time use process.
Description
Technical Field
The utility model relates to the technical field of solid fuel cells, in particular to a tubular fuel cell stack.
Background
The solid fuel cell, also called a solid oxide fuel cell (Solid Oxide Fuel Cell, abbreviated as SOFC) belongs to a third generation fuel cell, is an all-solid-state chemical power generation device for directly converting chemical energy stored in fuel and oxidant into electric energy at medium and high temperatures with high efficiency and environmental friendliness, is one of several fuel cells with highest theoretical energy density, and is generally considered as a fuel cell which is widely popularized and applied as a Proton Exchange Membrane Fuel Cell (PEMFC) in the future.
In the actual assembly of a solid fuel cell, a separator is placed between two adjacent electrode plates, and the positive electrode and the negative electrode are separated by the separator, thereby providing a membrane having both electrical conductivity and ion selectivity. The fuel cell membrane has the functions of enabling chemical reaction between the anode and the cathode to be carried out, avoiding direct contact between hydrogen and oxygen, preventing fire and explosion, and filtering and protecting electronic devices, thereby improving the performance and service life of the fuel cell.
In the prior art, in order to realize the electrical connection between adjacent battery tubes, the structure of the tube body needs to be destroyed, so that the overall structural performance is reduced, and the reliability of the battery in the long-time use process is affected.
Disclosure of utility model
The utility model aims to provide a tubular fuel cell stack which can realize the electric connection between adjacent cell tubes without damaging an inner tube body and an air tube and improve the stability and reliability of performance in a long-time use process.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a tubular fuel cell stack comprising: a plurality of group battery of parallel interval arrangement, every group battery all includes the strip shaped plate, down strip shaped plate and a plurality of vertical battery tube that sets up between strip shaped plate and down strip shaped plate, the battery tube further includes: the battery tube comprises an inner tube body, an outer tube body sleeved on the outer side of the inner tube body and an air tube penetrating into the inner tube body, wherein at least two anode conductive strips extending along the axial direction of the inner tube body are laid on the outer surface of the air tube, a plurality of elastic conductive blocks in interference contact with the inner wall of the inner tube body are welded on each anode conductive strip at intervals, a circuit protection layer is covered in an area, which is not welded with the elastic conductive blocks, of the anode conductive strips, a cathode conductive strip which is used for being electrically connected with the anode conductive strips of the adjacent battery tubes is laid on the outer surface of the inner tube body, and cathode conductive wires spirally wound on the outer surface of the inner tube body are arranged on the outer side of the cathode conductive strips extending along the axial direction of the inner tube body.
The further improved scheme in the technical scheme is as follows:
1. In the above scheme, at least two anode conductive strips are arranged at equal intervals along the circumferential direction of the air pipe.
2. In the scheme, the anode conducting strips and the cathode conducting strips are laid in a printing mode.
3. In the above scheme, every one side of group battery all is provided with a U template correspondingly, the respective upper and lower both ends of 2 vertical portions of U template all are connected with the spring that a level set up, 2 that one end and vertical portion upper end are connected the respective other end of spring is connected with the last strip shaped plate of corresponding group battery, 2 that one end and vertical lower extreme are connected the respective other end of spring is connected with the lower strip shaped plate of corresponding group battery.
4. In the scheme, the two ends of the upper strip-shaped plate and the lower strip-shaped plate are respectively provided with the accommodating grooves for embedding the end parts of the springs.
5. In the above scheme, the spring is an insulating spring.
6. In the scheme, the horizontal part of the U-shaped plate is connected between the lower ends of the 2 vertical parts of the U-shaped plate.
7. In the scheme, the U-shaped plate is connected with the corresponding battery pack in a matched mode through at least one group of horizontal raised strips and horizontal grooves.
8. In the scheme, the U-shaped plate is connected with the corresponding battery pack in a matched mode through at least one group of vertical raised strips and vertical grooves.
9. In the above scheme, a plurality of battery tubes in each battery pack are arranged at equal intervals along the length direction of the corresponding upper strip-shaped plate and lower strip-shaped plate.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. According to the tubular fuel cell stack, at least two anode conductive strips which extend along the axial direction of the anode conductive strips are laid on the outer surface of an air pipe of a cell tube, a plurality of elastic conductive blocks which are in interference contact with the inner wall of an inner tube body are welded on each anode conductive strip at intervals, a circuit protection layer covers the area, which is not welded with the elastic conductive blocks, of each anode conductive strip, a cathode conductive strip which is used for being electrically connected with the anode conductive strips of the adjacent cell tube is laid on the outer surface of the inner tube body, and cathode conductive wires which are spirally wound on the outer surface of the inner tube body are arranged on the outer side of the cathode conductive strips which extend along the axial direction of the inner tube body.
2. According to the tubular fuel cell stack, one side of each cell group is correspondingly provided with the U-shaped plate, the upper end and the lower end of each of the 2 vertical parts of the U-shaped plate are respectively connected with the springs which are horizontally arranged, the other ends of the 2 springs, one ends of which are connected with the upper ends of the vertical parts, are connected with the upper strip-shaped plates of the corresponding cell groups, the other ends of the 2 springs, one ends of which are connected with the lower ends of the vertical parts, are connected with the lower strip-shaped plates of the corresponding cell groups, so that the sequential installation of each cell group is facilitated, the installation of diaphragms between the adjacent cell groups is facilitated, the positioning of the diaphragms is realized after the installation is completed, and the situation of overturning and deflection of the diaphragms is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a tubular fuel cell stack of the present utility model;
FIG. 2 is a schematic exploded view of the cell tubes in a tubular fuel cell stack according to the present utility model;
FIG. 3 is a partial cross-sectional view of a cell tube in a tubular fuel cell stack according to the present utility model;
FIG. 4 is a partially exploded view of a tubular fuel cell stack according to the present utility model;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
Fig. 6 is an enlarged view of a partial structure of the tubular fuel cell stack of the present utility model.
In the above figures: 1. a battery pack; 2. a top strip plate; 3. a lower strip-shaped plate; 4. a battery tube; 41. an inner tube body; 42. an outer tube body; 43. an air pipe; 44. an anode conductive strip; 45. an elastic conductive block; 46. cathode conductive strips; 47. a cathode conductive line; 48. a circuit protection layer; 5. a U-shaped plate; 51. a vertical portion; 52. a horizontal portion; 6. a spring; 7. a receiving groove; 81. a horizontal protruding strip; 82. a horizontal groove; 91. vertical raised strips; 92. vertical grooves.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a tubular fuel cell stack comprising: a plurality of group battery 1 that parallel interval was arranged, every group battery 1 all includes upper strip shaped plate 2, lower strip shaped plate 3 and a plurality of vertical battery tube 4 that sets up between upper strip shaped plate 2 and lower strip shaped plate 3, battery tube 4 further includes: the battery pack comprises an inner tube 41, an outer tube 42 sleeved outside the inner tube 41 and an air tube 43 penetrating into the inner tube 41, wherein at least two anode conductive strips 44 extending along the axial direction of the air tube 43 are laid on the outer surface of the air tube 43, a plurality of elastic conductive blocks 45 in interference contact with the inner wall of the inner tube 41 are welded on each anode conductive strip 44 at intervals, such as foaming metal blocks, a circuit protection layer 48 is covered in the area, which is not welded with the elastic conductive blocks 45, of the anode conductive strips 44, a cathode conductive strip 46 for being electrically connected with the anode conductive strips 44 of the adjacent battery tubes 4 is laid on the outer surface of the inner tube 41, and a cathode conductive wire 47 spirally wound on the outer surface of the inner tube 41 is arranged on the outer side of the cathode conductive strip 46 extending along the axial direction of the inner tube 41.
At least two anode conductive strips 44 are arranged at equal intervals along the circumferential direction of the air pipe 43; the anode conductive strips 44 and the cathode conductive strips 46 are applied by printing.
Example 2: a tubular fuel cell stack comprising: a plurality of group battery 1 that parallel interval was arranged, every group battery 1 all includes upper strip shaped plate 2, lower strip shaped plate 3 and a plurality of vertical battery tube 4 that sets up between upper strip shaped plate 2 and lower strip shaped plate 3, battery tube 4 further includes: the battery pack comprises an inner tube 41, an outer tube 42 sleeved outside the inner tube 41 and an air tube 43 penetrating into the inner tube 41, wherein at least two anode conductive strips 44 extending along the axial direction of the air tube 43 are laid on the outer surface of the air tube 43, a plurality of elastic conductive blocks 45 in interference contact with the inner wall of the inner tube 41 are welded on each anode conductive strip 44 at intervals, such as foaming metal blocks, a circuit protection layer 48 is covered in the area, which is not welded with the elastic conductive blocks 45, of the anode conductive strips 44, a cathode conductive strip 46 for being electrically connected with the anode conductive strips 44 of the adjacent battery tubes 4 is laid on the outer surface of the inner tube 41, and a cathode conductive wire 47 spirally wound on the outer surface of the inner tube 41 is arranged on the outer side of the cathode conductive strip 46 extending along the axial direction of the inner tube 41.
A U-shaped plate 5 is correspondingly arranged on the same side of each battery pack 1, the upper end and the lower end of each of the 2 vertical parts 51 of the U-shaped plate 5 are respectively connected with a horizontally arranged spring 6, the other ends of the 2 springs 6, one ends of which are connected with the upper ends of the vertical parts 51, are respectively connected with the upper strip-shaped plates 2 of the corresponding battery packs 1, and the other ends of the 2 springs 6, one ends of which are connected with the lower ends of the vertical parts 51, are respectively connected with the lower strip-shaped plates 3 of the corresponding battery packs 1;
The two ends of the upper strip-shaped plate 2 and the lower strip-shaped plate 3 are respectively provided with a containing groove 7 in which the end parts of the springs 6 are embedded;
the spring 6 is an insulating spring; the horizontal part 52 of the U-shaped plate 5 is connected between the lower ends of the 2 vertical parts 51;
The U-shaped plate 5 is matched and connected with the corresponding battery pack 1 through at least one group of horizontal raised strips 81 and horizontal grooves 82; the surface of the lower strip-shaped plate 3 of each battery pack 1 facing the corresponding U-shaped plate 5 is provided with the horizontal groove 82, and the horizontal part 52 of the U-shaped plate 5 is provided with the horizontal raised line 81 which can be embedded into the horizontal groove 82;
The U-shaped plate 5 is matched and connected with the corresponding battery pack 1 through at least one group of vertical raised strips 91 and vertical grooves 92; the surface of the 2 vertical parts 51 of the U-shaped plate 5 facing the correspondingly arranged battery pack 1 is respectively provided with one vertical raised line 91, and the upper strip-shaped plate 2 and the lower strip-shaped plate 3 of the battery pack 1 are respectively provided with vertical grooves 92 for embedding the vertical raised lines 91 at the two ends;
The plurality of battery tubes 4 in each battery pack 1 are arranged at equal intervals along the length direction of the corresponding upper strip-shaped plate 2 and lower strip-shaped plate 3.
When the battery is assembled, the diaphragm is required to be placed between the electrode plates, and the diaphragm is too thin and often bends, so that the assembly progress is affected;
When the solid fuel cell membrane is assembled, firstly, for each cell group and the corresponding U-shaped plate structure, a gap is formed between the U-shaped plate and the cell group under the action of a spring, and then the solid fuel cell membrane is arranged between the U-shaped plate and the cell group from the gap;
The battery packs with the diaphragms are sequentially arranged in the shell, the later-arranged battery packs are pressed to be close to the former battery pack, the diaphragms can be clamped smoothly, after the plurality of battery packs are arranged in the same sequence, all the battery packs are pressed to each other after the last battery pack is assembled in the shell, the diaphragms between the adjacent battery packs can be completely pressed, the sequential installation of each battery pack is facilitated, the installation of the diaphragms between the adjacent battery packs is facilitated, the positioning of the diaphragms is realized after the installation is completed, and the situation of overturning and shifting is avoided.
When the tubular fuel cell stack is adopted, the electrical connection between the adjacent cell tubes can be realized under the condition that the inner tube body and the air tube are not damaged, the integral air tightness and the structural strength of the cell tubes are ensured, the stability and the reliability of the performance in the long-time use process are improved, the damage to the conducting strips can be avoided, and the reliability of the integral performance of the cell is further improved;
And moreover, the device is convenient for sequentially installing each battery pack, installing the diaphragms between adjacent battery packs and positioning the diaphragms after the installation is finished, and the situation that the diaphragms are overturned and offset is avoided.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. A tubular fuel cell stack comprising: a plurality of group battery (1) of parallel interval arrangement, every group battery (1) all include strip shaped plate (2), down strip shaped plate (3) and a plurality of vertical battery tube (4) that set up between strip shaped plate (2) and down strip shaped plate (3), its characterized in that: the battery tube (4) further includes: the battery pack comprises an inner tube body (41), an outer tube body (42) sleeved on the outer side of the inner tube body (41) and an air tube (43) penetrating into the inner tube body (41), at least two anode conducting strips (44) which extend along the axial direction of the inner tube body respectively are laid on the outer surface of the air tube (43), a plurality of elastic conducting blocks (45) in interference contact with the inner wall of the inner tube body (41) are welded on each anode conducting strip (44) at intervals, a circuit protection layer (48) is covered in an area, which is not welded with the elastic conducting blocks (45), of the anode conducting strips (44), cathode conducting strips (46) which are used for being electrically connected with the anode conducting strips (44) of adjacent battery tubes (4) are laid on the outer surface of the inner tube body (41), and cathode conducting wires (47) which are spirally wound on the outer surface of the inner tube body (41) are arranged on the outer side of the cathode conducting strips (46) which extend along the axial direction of the inner tube body (41).
2. The tubular fuel cell stack according to claim 1, wherein: at least two anode conductive strips (44) are arranged at equal intervals along the circumferential direction of the air pipe (43).
3. The tubular fuel cell stack according to claim 1, wherein: the anode conductive strips (44) and the cathode conductive strips (46) are all laid by printing.
4. The tubular fuel cell stack according to claim 1, wherein: one side of each battery pack (1) is correspondingly provided with a U-shaped plate (5), the upper end and the lower end of each of 2 vertical parts (51) of the U-shaped plate (5) are respectively connected with a horizontally arranged spring (6), one end of each of 2 springs (6) is connected with the upper end of the vertical part (51), the other end of each of the springs (6) is connected with an upper strip-shaped plate (2) corresponding to the battery pack (1), and one end of each of 2 springs (6) is connected with the lower end of the vertical part (51), and the other end of each of the springs (6) is connected with a lower strip-shaped plate (3) corresponding to the battery pack (1).
5. The tubular fuel cell stack according to claim 4, wherein: the two ends of the upper strip-shaped plate (2) and the lower strip-shaped plate (3) are respectively provided with a containing groove (7) for embedding the end parts of the springs (6).
6. The tubular fuel cell stack according to claim 4, wherein: the spring (6) is an insulating spring.
7. The tubular fuel cell stack according to claim 4, wherein: the horizontal part (52) of the U-shaped plate (5) is connected between the lower ends of the 2 vertical parts (51) of the U-shaped plate.
8. The tubular fuel cell stack according to claim 4, wherein: the U-shaped plate (5) is connected with the corresponding battery pack (1) in a matched mode through at least one group of horizontal raised strips (81) and horizontal grooves (82).
9. The tubular fuel cell stack according to claim 4, wherein: the U-shaped plate (5) is connected with the corresponding battery pack (1) in a matched mode through at least one group of vertical raised strips (91) and vertical grooves (92).
10. The tubular fuel cell stack according to claim 1, wherein: the battery packs (1) are characterized in that a plurality of battery tubes (4) in each battery pack (1) are arranged at equal intervals along the length direction of the corresponding upper strip-shaped plate (2) and lower strip-shaped plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726080.XU CN220821646U (en) | 2023-07-03 | 2023-07-03 | Tubular fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726080.XU CN220821646U (en) | 2023-07-03 | 2023-07-03 | Tubular fuel cell stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821646U true CN220821646U (en) | 2024-04-19 |
Family
ID=90671404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321726080.XU Active CN220821646U (en) | 2023-07-03 | 2023-07-03 | Tubular fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821646U (en) |
-
2023
- 2023-07-03 CN CN202321726080.XU patent/CN220821646U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |