CN215242930U - Production device of fuel cell membrane electrode assembly - Google Patents
Production device of fuel cell membrane electrode assembly Download PDFInfo
- Publication number
- CN215242930U CN215242930U CN202121152591.6U CN202121152591U CN215242930U CN 215242930 U CN215242930 U CN 215242930U CN 202121152591 U CN202121152591 U CN 202121152591U CN 215242930 U CN215242930 U CN 215242930U
- Authority
- CN
- China
- Prior art keywords
- groove
- positioning
- glue injection
- membrane electrode
- die
- 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.)
- Active
Links
Images
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a production device of a fuel cell membrane electrode assembly, which comprises an upper die and a lower die; a sealing channel, a positioning interlayer for positioning the GDL and the CCM and a forming cavity in a similar rectangular shape are formed between the upper die and the lower die after die assembly; the positioning interlayer is arranged in the middle in the forming cavity; the sealing channel is arranged on the inner wall of the forming cavity and is arranged outside the positioning interlayer in a surrounding manner; the upper die is also provided with a glue injection hole communicated with the forming cavity. The utility model discloses can improve membrane electrode assembly's sealed uniformity and reliability, improve membrane electrode assembly's quality.
Description
Technical Field
The utility model relates to a fuel cell technical field especially indicates a fuel cell membrane electrode assembly's apparatus for producing.
Background
The Membrane electrode assembly and the bipolar plate of the fuel cell must maintain a sufficient contact pressure to some extent for achieving stack sealing to prevent leakage between reactants and external leakage, while minimizing contact resistance between the MEA (Membrane electrode) and the bipolar plate in the Membrane electrode assembly, and the GDL is not excessively compressed.
Most of bipolar plates at the present stage adopt a mode of dispensing and pasting a sealing ring to realize galvanic pile sealing, but the mode is difficult to ensure the dispensing and the consistency of pasting the sealing ring, so that the problems of uneven thickness, pasting dislocation and the like are easily caused, and the sealing failure is caused.
The compression rate of the GDL is controlled to minimize contact resistance and prevent the GDL from being excessively compressed. At present, in the prior art, the total thickness of the frame and the thickness difference of the MEA are mainly controlled by matching frame film materials with different thicknesses and a hot-melt adhesive layer, so that the compression rate of the GDL during the assembly of the electric pile is controlled. However, in actual operation, it is difficult to perfectly match the thickness of the film material and the adhesive layer, and when the hot-melt adhesive layer is used for hot pressing, the phenomena of uneven hot pressing and incomplete hot pressing to form component layers are easily caused in the bonding of different frame layers, so that the leakage or the leakage between reactants is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the production device of the fuel cell membrane electrode assembly is provided, and the quality of the membrane electrode is improved on the premise of ensuring the compression rate of the GDL to reach the standard.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a production device of a fuel cell membrane electrode assembly comprises an upper die and a lower die;
a sealing channel, a positioning interlayer for positioning the GDL and the CCM and a forming cavity in a similar rectangular shape are formed between the upper die and the lower die after die assembly;
the positioning interlayer is arranged in the middle in the forming cavity;
the sealing channel is arranged on the inner wall of the forming cavity and is arranged outside the positioning interlayer in a surrounding manner;
the upper die is also provided with a glue injection hole communicated with the forming cavity.
Further, the upper die comprises an upper frame groove, an upper sealing groove and an upper positioning bulge for positioning the GDL;
the lower die comprises a lower frame groove, a lower sealing groove and a lower positioning bulge matched with the upper positioning bulge;
the sealing channel is formed by the upper sealing groove and the lower sealing groove;
the positioning interlayer is composed of the upper positioning bulge and the lower positioning bulge;
the molding cavity is formed by the upper frame groove and the lower frame groove.
Furthermore, the upper sealing groove and the upper positioning bulge are both arranged on the upper frame groove;
the lower sealing groove and the lower positioning bulge are arranged on the lower frame groove.
Further, an interval is arranged between the outer edge of the upper sealing groove and the outer edge of the upper frame groove.
Further, the upper positioning protrusion comprises a first step surface for positioning the GDL and a second step surface for positioning the CCM;
a space is reserved between the second step surface and the top of the upper frame groove;
the first step face with the second step face sets gradually from top to bottom, just the second step face encircle set up in the outer edge of first step face.
Furthermore, a first glue injection groove and a second glue injection groove which are communicated with the sealing channel are formed in the forming cavity, and the first glue injection groove is communicated with the glue injection hole.
Furthermore, the top of the lower die is also provided with a glue overflow groove which enables the molding cavity to be communicated with the outside.
Further, the device also comprises a press;
the press machine is provided with a hot pressing groove for accommodating the upper die and the lower die;
when the upper die and the lower die are assembled and embedded into the hot pressing groove, the output end of the press machine can be abutted against the top of the upper die.
Furthermore, the press machine comprises a pressure platform, a pressing mechanism, a glue injection assembly, a one-way valve and a glue injection mechanism;
the pressure applying mechanism is arranged above the pressure platform;
the hot pressing groove is formed in the top of the pressure platform;
the glue injection mechanism is arranged on one side of the pressure applying mechanism;
the glue injection mechanism is communicated with the upper die through the one-way valve and the glue injection assembly in sequence.
The beneficial effects of the utility model reside in that: the membrane electrode assembly can be positioned by the positioning interlayer, a fall is formed between the sealing channel and the forming cavity, the thickness between the sealing layer and the frame layer is controlled, the matching degree of the frame of the membrane electrode and the thickness of the membrane electrode is improved, the sealing consistency and reliability of the membrane electrode assembly are improved, the assembled membrane electrode assembly is compressed to the optimal state, and the quality of the membrane electrode is improved on the premise of ensuring that the compression ratio of the GDL reaches the standard.
Drawings
FIG. 1 is an exploded view of an upper mold and a lower mold of the present invention;
FIG. 2 is a schematic structural view of the middle and lower dies of the present invention;
FIG. 3 is a schematic structural view of a middle upper mold of the present invention;
fig. 4 is a schematic structural diagram of the middle pressure machine of the present invention;
fig. 5 is a schematic structural view of a membrane electrode assembly according to the present invention.
Description of reference numerals:
1. an upper die; 11. positioning holes; 12. an upper frame groove; 13. an upper seal groove; 14. an upper positioning bulge; 15. a first glue injection bulge; 16. a first glue injection groove; 17. a second glue injection groove; 121. a first upper forming table; 122. a second upper forming table; 123. a third upper forming table; 141. a first step surface; 142. a second step surface;
2. a lower die; 21. a guide post; 22. a lower frame groove; 23. a lower seal groove; 24. a lower positioning boss; 25. a second glue injection bulge; 26. a glue overflow groove; 221. a first lower forming table; 222. a second lower forming table; 223. a third lower forming platform;
3. injecting glue holes;
4. a press machine; 41. a pressure platform; 42. a pressure applying mechanism; 43. a glue injection assembly; 44. a one-way valve; 45. a glue injection mechanism; 46. a joint; 411. hot pressing the groove; 451. an electromagnetic valve; 452. a proportional valve; 453. a glue barrel;
5、MEA。
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, a fuel cell membrane electrode assembly manufacturing apparatus includes an upper mold and a lower mold;
a sealing channel, a positioning interlayer for positioning the GDL and the CCM and a forming cavity in a similar rectangular shape are formed between the upper die and the lower die after die assembly;
the positioning interlayer is arranged in the middle in the forming cavity;
the sealing channel is arranged on the inner wall of the forming cavity and is arranged outside the positioning interlayer in a surrounding manner;
the upper die is also provided with a glue injection hole communicated with the forming cavity.
From the above description, the beneficial effects of the present invention are: the membrane electrode assembly can be positioned by the positioning interlayer, a fall is formed between the sealing channel and the forming cavity, the thickness between the sealing layer and the frame layer is controlled, the matching degree of the frame of the membrane electrode and the thickness of the membrane electrode is improved, the sealing consistency and reliability of the membrane electrode assembly are improved, the assembled membrane electrode assembly is compressed to the optimal state, and the quality of the membrane electrode is improved on the premise of ensuring that the compression ratio of the GDL reaches the standard.
Further, the upper die comprises an upper frame groove, an upper sealing groove and an upper positioning bulge for positioning the GDL;
the lower die comprises a lower frame groove, a lower sealing groove and a lower positioning bulge matched with the upper positioning bulge;
the sealing channel is formed by the upper sealing groove and the lower sealing groove;
the positioning interlayer is composed of the upper positioning bulge and the lower positioning bulge;
the molding cavity is formed by the upper frame groove and the lower frame groove.
Furthermore, the upper sealing groove and the upper positioning bulge are both arranged on the upper frame groove;
the lower sealing groove and the lower positioning bulge are arranged on the lower frame groove.
As can be seen from the above description, the upper sealing groove and the upper positioning protrusion are disposed on the upper frame groove, and the lower sealing groove and the lower positioning protrusion are disposed on the lower frame groove, so that a height difference can be formed, and a thickness difference can be formed between the sealing layer and the frame layer, so as to meet the thickness requirement of the MEA while ensuring that the GDL compression ratio meets the requirement.
Further, an interval is arranged between the outer edge of the upper sealing groove and the outer edge of the upper frame groove.
Further, the upper positioning protrusion comprises a first step surface for positioning the GDL and a second step surface for positioning the CCM;
a space is reserved between the second step surface and the top of the upper frame groove;
the first step face with the second step face sets gradually from top to bottom, just the second step face encircle set up in the outer edge of first step face.
According to the description, the first step surface is arranged and used for positioning the GDL, the second step surface is arranged and used for positioning the CCM, the packaging difficulty is reduced, and the packaging efficiency is improved.
Furthermore, a first glue injection groove and a second glue injection groove which are communicated with the sealing channel are formed in the forming cavity, and the first glue injection groove is communicated with the glue injection hole.
According to the above description, the first glue injection groove and the second glue injection groove are arranged, glue injection is performed on the sealing channel, and the production difficulty is reduced.
Furthermore, the top of the lower die is also provided with a glue overflow groove which enables the molding cavity to be communicated with the outside.
According to the above description, the glue overflow groove is arranged, so that air in the cavity can be discharged, and glue can overflow from the glue overflow groove, so that an operator can know the glue injection state in the molding cavity, and the glue injection amount can be accurately controlled.
Further, the device also comprises a press;
the press machine is provided with a hot pressing groove for accommodating the upper die and the lower die;
when the upper die and the lower die are assembled and embedded into the hot pressing groove, the output end of the press machine can be abutted against the top of the upper die.
As can be seen from the above description, a press is provided for applying pressure to the upper and lower dies, thereby controlling the thickness of the MEA and ensuring the production quality.
Furthermore, the press machine comprises a pressure platform, a pressing mechanism, a glue injection assembly, a one-way valve and a glue injection mechanism;
the pressure applying mechanism is arranged above the pressure platform;
the hot pressing groove is formed in the top of the pressure platform;
the glue injection mechanism is arranged on one side of the pressure applying mechanism;
the glue injection mechanism is communicated with the upper die through the one-way valve and the glue injection assembly in sequence.
According to the above description, the one-way valve is arranged for avoiding the phenomenon of colloid backflow after the glue injection mechanism stops glue injection, and ensuring the product quality.
The utility model discloses in, one set of mould only makes a cave, but also can make two caves or more than two caves to realize mass production.
Example one
Referring to fig. 1 to 3, a fuel cell membrane electrode assembly manufacturing apparatus includes an upper mold 1 and a lower mold 2; after the upper die 1 and the lower die 2 are assembled, a sealing channel, a positioning interlayer for positioning the GDL and the CCM and a forming cavity in a similar rectangular shape are formed between the upper die 1 and the lower die 2; the positioning interlayer is arranged in the middle in the molding cavity; the sealing channel is arranged on the inner wall of the forming cavity and is arranged outside the positioning interlayer in a surrounding manner; the upper die 1 is also provided with a glue injection hole 3 communicated with the molding cavity. Specifically, the top of the lower die 2 is provided with four guide posts 21 which are uniformly distributed, and the upper die 1 is provided with positioning holes 11 which correspond to the four guide rods one by one, so that the upper die 1 is positioned on the lower die 2. Wherein, the upper die 1 and the lower die 2 are both made of high-strength transparent materials.
Referring to fig. 1 and 3, the upper mold 1 includes an upper frame groove 12, an upper seal groove 13, and an upper positioning boss 14 for mounting a GDL; the lower die 2 comprises a lower frame groove 22, a lower sealing groove 23 and a lower positioning bulge 24 matched with the upper positioning bulge 14; the sealing channel is composed of an upper sealing groove 13 and a lower sealing groove 23; the positioning interlayer is composed of an upper positioning bulge 14 and a lower positioning bulge 24; the molding cavity is formed by the upper bezel groove 12 and the lower bezel groove 22.
Referring to fig. 1 and 3, an upper seal groove 13 and an upper positioning boss 14 are both provided on the upper bezel groove 12; the lower seal groove 23 and the lower positioning boss 24 are both provided on the lower bezel groove 22.
Referring to fig. 1 and 3, an outer edge of upper seal groove 13 is spaced apart from an outer edge of upper bezel groove 12.
Referring to fig. 1 to 3, the upper positioning projection 14 includes a first step surface 141 for positioning the GDL and a second step surface 142 for positioning the CCM; the second step surface 142 is spaced from the top of the upper bezel groove 12; the first step surface 141 and the second step surface 142 are sequentially disposed from top to bottom, and the second step surface 142 is disposed around the outer edge of the first step surface 141. Wherein the structure of the lower positioning projection 24 is the same as that of the upper positioning projection 14.
Referring to fig. 3, a first glue injection groove 16 and a second glue injection groove 17 which are communicated with the sealing channel are formed in the molding cavity, the first glue injection groove 16 is communicated with the glue injection hole 3, and the second glue injection groove 17 is communicated with the other glue injection hole 3 on the upper die 1.
Referring to fig. 2 and 3, the upper seal groove 13 divides the upper frame groove 12 into two first upper forming lands 121, a second upper forming land 122, and a third upper forming land 123; the lower seal groove 23 separates the lower bezel groove 22 into two first lower molding platforms 221, a second lower molding platform 222, and a third lower molding platform 223.
Referring to fig. 2 and 3, the first upper molding platform 121, the second upper molding platform 122, and the third upper molding platform 123 are sequentially disposed along the X-axis direction; the first lower molding platform 221, the second lower molding platform 222, and the third lower molding platform 223 are sequentially disposed along the X-axis direction.
Referring to fig. 2 and 3, the first upper molding platform 121 and the first lower molding platform 221 are symmetrically provided with a first glue injection protrusion 15, and the third upper molding platform 123 and the third lower molding platform 223 are symmetrically provided with a second glue injection protrusion 25; when the two first glue injection bulges 15 are mutually pressed, a first glue injection groove 16 is formed; when the two second glue injection protrusions 25 are pressed against each other, the second glue injection grooves 17 are formed.
Referring to fig. 2, the top of the lower mold 2 is further provided with a glue overflow groove 26 for communicating the molding cavity with the outside.
Example two
With reference to fig. 4 and 5, a press 4 is also included; the press machine 4 is provided with a hot-pressing groove 411 for accommodating the upper die 1 and the lower die 2; after the upper mold 1 and the lower mold 2 are closed and inserted into the hot pressing groove 411, the output end of the press 4 can be pressed against the top of the upper mold 1.
Referring to fig. 4 and 5, the press machine 4 includes a pressure platform 41, a pressure applying mechanism 42, a glue injection assembly 43, a one-way valve 44 and a glue injection mechanism 45; the pressing mechanism 42 is arranged above the pressure platform 41; the hot pressing groove 411 is arranged at the top of the pressure platform 41; the glue injection mechanism 45 is arranged on one side of the pressure applying mechanism 42; the glue injection mechanism 45 is communicated with the upper die 1 through the one-way valve 44 and the glue injection assembly 43 in sequence. Specifically, the glue injection mechanism 45 comprises an electromagnetic valve 451, a proportional valve 452 and a glue barrel 453, an air source is communicated with the proportional valve 452 through the electromagnetic valve 451, the proportional valve 452 is communicated with the glue barrel 453, the proportional valve 452 is electrically connected with a control source, the glue barrel 453 is communicated with a feed end of the glue injection assembly 43, and a discharge end of the glue injection assembly 43 is respectively communicated with the two glue injection holes 3 of the upper mold 1 through a joint 46.
The specific manufacturing steps of this embodiment are:
(1) MEA5 was pressed: cutting 2 GDL and 1 CCM according to the design size, extending the CCM to the outer edge of the GDL for a first distance, dispensing on the side of the GDL coated with carbon powder, sequentially putting the GDL, the CCM and the GDL on an MEA5 pressing tool, facing the GDL coated with carbon powder to the CCM, and putting the tool into a hot press for hot pressing to obtain the MEA 5.
(2) MEA5 molded: and (3) placing the MEA5 on the lower die 2, aligning the edge of the GDL with the outer edge of the first step surface 141, aligning the edge of the CCM with the outer edge of the second step surface 142 of the lower die 2, and aligning the guide post 21 and the positioning hole 11 to cover the upper die 1 to finish die assembly.
(3) Die pressing and glue injecting: the mold after mold closing is placed on the pressure platform 41, the pressing mechanism 42 is controlled by the computer terminal to move downwards to press the mold, the glue injection joint 46 is communicated with the glue injection hole 3 of the upper mold 1, the proportional valve 452, the glue barrel 453, the one-way valve 44 and the glue injection joint 46 are connected through hoses, and the electromagnetic valve 451 is connected with an air source.
The air pressure for pushing the piston of the glue barrel 453 is controlled by the computer terminal control proportional valve 452, the piston is pushed by air pressure to move downwards to the mold for glue injection, air in the mold is discharged through the glue overflow groove 26, the flowing condition of the liquid silica gel in the mold is observed through the mold (the mold is made of transparent materials), after the cavity of the mold is filled with the liquid silica gel and the overflow groove has uniform liquid flowing out, the glue injection action is stopped at the computer terminal, and at the moment, the one-way valve 44 can prevent the liquid from flowing back.
(4) And (3) fastening a mold: after the mold is fastened by the bolts and the nuts, the pressure end of the pressing mechanism 42 moves upwards, the fastened mold is taken out for curing treatment, and meanwhile, an upper mold and a lower mold can be placed for injecting glue. And opening the mold after the silica gel is solidified, and taking out the finished membrane electrode assembly.
To sum up, the utility model provides a pair of fuel cell membrane electrode assembly's apparatus for producing through the degree of depth of sealing layer and frame layer among the adjustment membrane electrode assembly, makes the thickness phase-match of sealing layer and frame layer and MEA, improves sealed uniformity and reliability, through the setting of mould, has simplified processes such as frame laminating and has saved the step that bipolar plate pasted the sealing washer, improves membrane electrode assembly efficiency.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. The production device of the fuel cell membrane electrode assembly is characterized by comprising an upper die and a lower die;
a sealing channel, a positioning interlayer for positioning the GDL and the CCM and a forming cavity in a similar rectangular shape are formed between the upper die and the lower die after die assembly;
the positioning interlayer is arranged in the middle in the forming cavity;
the sealing channel is arranged on the inner wall of the forming cavity and is arranged outside the positioning interlayer in a surrounding manner;
the upper die is also provided with a glue injection hole communicated with the forming cavity.
2. The apparatus for producing a fuel cell membrane electrode assembly according to claim 1, wherein the upper mold includes an upper frame groove, an upper seal groove, and an upper positioning projection for attaching a GDL;
the lower die comprises a lower frame groove, a lower sealing groove and a lower positioning bulge matched with the upper positioning bulge;
the sealing channel is formed by the upper sealing groove and the lower sealing groove;
the positioning interlayer is composed of the upper positioning bulge and the lower positioning bulge;
the molding cavity is formed by the upper frame groove and the lower frame groove.
3. The fuel cell membrane electrode assembly production apparatus according to claim 2, wherein the upper seal groove and the upper positioning projection are provided on the upper frame groove;
the lower sealing groove and the lower positioning bulge are arranged on the lower frame groove.
4. The fuel cell membrane electrode assembly production apparatus according to claim 2, wherein an outer edge of the upper seal groove is spaced apart from an outer edge of the upper frame groove.
5. The fuel cell membrane electrode assembly production apparatus according to claim 2, wherein the upper positioning projection includes a first step face for positioning the GDL and a second step face for positioning the CCM;
a space is reserved between the second step surface and the top of the upper frame groove;
the first step face with the second step face sets gradually from top to bottom, just the second step face encircle set up in the outer edge of first step face.
6. The fuel cell membrane electrode assembly production apparatus according to claim 1, wherein the molding chamber has a first glue injection groove and a second glue injection groove that communicate with the seal channel, and the first glue injection groove communicates with the glue injection hole.
7. The apparatus for manufacturing a fuel cell membrane electrode assembly according to claim 1, wherein the lower mold further has a flash groove formed at a top thereof for communicating the molding cavity with an outside.
8. The fuel cell membrane electrode assembly production apparatus according to claim 1, further comprising a press;
the press machine is provided with a hot pressing groove for accommodating the upper die and the lower die;
when the upper die and the lower die are assembled and embedded into the hot pressing groove, the output end of the press machine can be abutted against the top of the upper die.
9. The fuel cell membrane electrode assembly production apparatus according to claim 8, wherein the press machine includes a pressure stage, a pressing mechanism, a glue injection assembly, a check valve, and a glue injection mechanism;
the pressure applying mechanism is arranged above the pressure platform;
the hot pressing groove is formed in the top of the pressure platform;
the glue injection mechanism is arranged on one side of the pressure applying mechanism;
the glue injection mechanism is communicated with the upper die through the one-way valve and the glue injection assembly in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152591.6U CN215242930U (en) | 2021-05-27 | 2021-05-27 | Production device of fuel cell membrane electrode assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152591.6U CN215242930U (en) | 2021-05-27 | 2021-05-27 | Production device of fuel cell membrane electrode assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215242930U true CN215242930U (en) | 2021-12-21 |
Family
ID=79458734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121152591.6U Active CN215242930U (en) | 2021-05-27 | 2021-05-27 | Production device of fuel cell membrane electrode assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215242930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571643A (en) * | 2022-03-23 | 2022-06-03 | 武汉众宇动力系统科技有限公司 | Glue injection device for injecting glue to flow field plate of fuel cell |
-
2021
- 2021-05-27 CN CN202121152591.6U patent/CN215242930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571643A (en) * | 2022-03-23 | 2022-06-03 | 武汉众宇动力系统科技有限公司 | Glue injection device for injecting glue to flow field plate of fuel cell |
| CN114571643B (en) * | 2022-03-23 | 2022-12-06 | 武汉众宇动力系统科技有限公司 | Glue injection device for injecting glue to flow field plate of fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215242930U (en) | Production device of fuel cell membrane electrode assembly | |
| US10153520B2 (en) | Manufacturing method for all-solid-state battery, manufacturing apparatus for all-solid-state battery, and all-solid-state battery | |
| CN111730803B (en) | Preparation method of sealing structure and sealing connection method of membrane electrode and bipolar plate | |
| JP4471046B2 (en) | Gasket for fuel cell and method for forming the same | |
| JPH02161713A (en) | Manufacture of ceramic laminate | |
| CN110518268A (en) | Fuel cell and preparation method thereof and mold | |
| WO2010146860A1 (en) | Method for producing resin molded electronic component | |
| CN111276714A (en) | Fuel cell assembly and method of assembling the same | |
| WO2005078839A3 (en) | Method of forming bipolar plate modules | |
| CN109203516A (en) | A kind of manufacturing method of wind electricity blade | |
| JP5911013B2 (en) | Method for manufacturing fuel cell assembly | |
| CN208955024U (en) | A kind of polymer Li-ion battery | |
| CN110010923B (en) | Manufacturing method of integrated sealed galvanic pile | |
| CN208352457U (en) | A kind of arc lithium battery | |
| CN206781190U (en) | A kind of laminate member for being laminated solar module | |
| CN107107398A (en) | Resin molding apparatus | |
| EP2686902B1 (en) | Fuel cell plate bonding method and arrangement | |
| CN207826632U (en) | The direct hot pressing feed device of upper and lower automatic mold | |
| JPWO2004052614A1 (en) | Manufacturing method of base-integrated rubber | |
| JP7221019B2 (en) | Method for manufacturing all-solid-state battery | |
| JP3214790B2 (en) | Resin molding device and resin molding method | |
| CN210403913U (en) | Auxiliary bonding assembly tool for membrane electrode device with sealing gasket of proton exchange membrane fuel cell | |
| JP4668999B2 (en) | Production method | |
| CN204976970U (en) | Totally enclosed large capacity hydraulic oil isostatic pressing ceramic tile mould | |
| CN213678401U (en) | Glue nail switching mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |