CN201608234U - Flexible power supply - Google Patents
Flexible power supply Download PDFInfo
- Publication number
- CN201608234U CN201608234U CN2009201748743U CN200920174874U CN201608234U CN 201608234 U CN201608234 U CN 201608234U CN 2009201748743 U CN2009201748743 U CN 2009201748743U CN 200920174874 U CN200920174874 U CN 200920174874U CN 201608234 U CN201608234 U CN 201608234U
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- CN
- China
- Prior art keywords
- power supply
- hydrogen
- supply unit
- bendable
- fuel cell
- 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
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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 flexible power supply, which comprises a flexible fuel cell connected with a hydrogen supply device. The hydrogen supply device contains a plastic hydrogen fuel, the flexible fuel cell is a multi-layer structure and sequentially comprises an upper end plate, an air flow field plate, two flexible electrode unit, a membrane electrode assembly, a hydrogen flow field plate and a lower end plate, and the membrane electrode assembly is formed by sandwiching a proton exchange membrane between two catalyst layers, wherein the plastic hydrogen fuel comprises solid hydride, solid catalyst and hydrophobicity macromolecule elastomer. The flexible fuel cell is a flaky structure, the hydrogen supply device is in the shape of a flexible flat bag, and the flexible fuel cell and the hydrogen supply device are attached to form the flaky flexible power supply which can be placed into pockets of clothes or luggage or sewn on outer sides of caps of overcoats.
Description
Technical field
The utility model relates to bendable power supply unit, more especially in regard to the design of its hydrogen supply device and fuel cell.
Background technology
The portable electronic product external form is changeful and life cycle is of short duration, therefore provide one bendable, deformable, be easy to exterior design very important with the long charger/power supply of endurance.When Portable charger/power supply places knapsack or pocket, easily because of stressed distortion of human action or distortion, and the proton exchange membrane and hydrogen sealing place of destruction Portable charger/power supply, particularly fuel cell.If want charger/power supply not to be subjected to outside destroy, then need the strong supporting mechanism of rigidity, but this can significantly increase the weight and volume of Portable charger/power supply.
Because bendable Development of Materials, the end plate of fuel cell, gaseous diffusion, catalyst layer, and assembly such as proton exchange membrane also slowly become bendable.The fuel source of present most Portable power supply can be divided into methyl alcohol and hydrogen two big classes.But, no matter adopt any fuel, all need a rigidity fuel bath but not the pliability structure is held fuel, can not overflow in use to guarantee fuel because of the external force extruding.Particularly when directly using hydrogen to act as a fuel, the device of preserving compression hydrogen is not only expensive but also dangerous.In addition, those rigidity fuel baths also can significantly increase the weight and volume of Portable charger/power supply, significantly reduce the portability and the pliability of charger/power supply.
In TaiWan, China patent announcement number I255579 number, a kind of Portable is provided, and per unit volume and/or Unit Weight have the fuel cell of high electromotive power output value, it comprises the dielectric film that deflects into closed ring, a plurality of being arranged on the dielectric film and the reaction member of corresponding series connection spaced apartly, and be installed with fuel supply unit in the tubular space that dielectric film defines, dielectric film is as the conductor of ion, each reaction member has deflection and is arranged on internal reaction piece and outer reaction block on dielectric film two opposing faces, the hydrogen that the internal reaction piece is accepted fuel supply unit and provided carries out electrochemical reaction, outer reaction block is accepted extraneous oxygen and is carried out electrochemical reaction, can externally export the high voltage of application to produce.Above-mentioned fuel cell can be the dielectric film that deflects into closed ring, promptly can be made into " bendable fuel cell ".Yet the fuel source of above-mentioned battery is mainly methyl alcohol and does not disclose flexual hydrogen fuel unit, the problem that still needs the fuel bath of a rigidity and be difficult to avoid fuel bath brought by the external force extruding.
In sum, still need a pliability charger to be applied to portable electronic product at present.
The utility model content
The purpose of this utility model is, a kind of bendable power supply unit is provided, and comprises that bendable fuel cell is connected to hydrogen supply device, and this hydrogen supply device contains the plasticity hydrogen fuel; Wherein bendable fuel cell is a sandwich construction, is upper head plate, air flow field plate, two soft electrode units, mea, hydrogen stream field plate and bottom plates in regular turn, and mea is that proton exchange membrane is located between two catalyst layers; Wherein the plasticity hydrogen fuel comprises solid hydrides, solid catalyst, reaches the hydrophobic polymer elastomer.
A kind of bendable power supply unit of the utility model comprises:
One bendable fuel cell is connected to a hydrogen supply device, and this hydrogen supply device contains a plasticity hydrogen fuel;
Wherein this bendable fuel cell is a sandwich construction, be a upper head plate, an air flow field plate, two soft electrode units, a mea, a hydrogen stream field plate and bottom plates in regular turn, and this mea is that a proton exchange membrane is located between two catalyst layers;
Wherein this plasticity hydrogen fuel comprises solid hydrides, solid catalyst, reaches the hydrophobic polymer elastomer.
Described bendable power supply unit, wherein, this bendable power supply unit is a slabbed construction.
Described bendable power supply unit, wherein, this upper head plate and/or this bottom plate comprise plastic plate, rubber slab, sheet metal or metal otter board.
Described bendable power supply unit, wherein, this air flow field plate or hydrogen stream field plate comprise circuit board, plastic plate, rubber slab or insulation processing metallic plate.
Described bendable power supply unit, wherein, this mea also comprises a catalyst layer.
Described bendable power supply unit, wherein, this mea comprises a soft electrode unit, and this soft electrode unit comprises the composite material conductive magma that carbon fiber clustering, conducting polymer, carbon cloth or carbon paper and/or carbon dust are combined into.
Described bendable power supply unit, wherein, this solid hydrides comprises boron hydride, nitrogen hydride, hydrocarbons, metal hydride, boron nitrogen hydride, boron hydrocarbons, nitrogen hydrocarbons, metallic boron hydrides, metal nitrogen hydride, metal hydrocarbons, metal boron nitrogen hydride, metal boron hydrocarbons, metal carbonitride hydride, boron nitrogen hydrocarbons, metal boron nitrogen hydrocarbons or above-mentioned combination.
Described bendable power supply unit, wherein, this solid catalyst comprises ruthenium, cobalt, nickel, copper, iron, ruthenium ion, cobalt ions, nickel ion, copper ion, iron ion or above-mentioned combination.
Described bendable power supply unit, wherein, this hydrophobic polymer elastomer comprises silica gel, rubber or silicon rubber.
Described bendable power supply unit, wherein, this hydrogen supply device comprises plastics, rubber, nylon or airtight cloth bag.
Described bendable power supply unit, wherein, this fuel cell is a sheet structure.
Described bendable power supply unit, wherein, this hydrogen supply device is the fuel cell that a bendable flat bag shaped structure is attached at this sheet.
Described bendable power supply unit, wherein, this hydrogen supply device also comprises a water-absorbing material or absorbent polymer.
The beneficial effects of the utility model are, the bendable power supply unit that is provided, because the power supply unit that its fuel cell and hydrogen supply device are formed is bendable laminated structure, can pack into the pocket of personal luggage or knapsack, the pocket of underclothes such as the overcoat of packing into, cap or shirt or make the outside in above-mentioned clothing.Because power supply unit is a pliability, even be subjected to conduction contact and hydrogen sealing place that external force collision or extruding also can not destroy inside.Compared with the prior art, the utility model power supply unit is that sheet but not the block or cylindric solid shape that waits do not account for volume and do not need the fixed space placement, can effectively increase its Portability.Power supply unit of the present utility model can be with the pocket varying sized design that varies in size.
Description of drawings
Figure 1A and Figure 1B are among the utility model one embodiment, the schematic diagram of power supply unit;
Fig. 2 is among the utility model one embodiment, the schematic diagram of mea; And
Fig. 3 is among the utility model one embodiment, the profile of mea.
[main element symbol description]
1,2 end plates;
3 air flow field plates;
4 hydrogen stream field plates;
5 mea;
10 fuel cells;
20 hydrogen supply devices;
51 proton exchange membrane;
52 soft electrode units;
53,54 catalyst layers.
Embodiment
The utility model provides a kind of bendable power supply unit, comprises that bendable fuel cell 10 is connected to hydrogen supply device 20, and this hydrogen supply device 20 belongs to flexible materials and contains the plasticity hydrogen fuel.The schematic diagram of bendable power supply unit is shown in Figure 1A and Figure 1B.Be folded with air flow field plate 3 in the end plate 1 and 2 of bendable fuel cell 10, be connected to hydrogen stream field plate 4, and the mea 5 of hydrogen supply device 20. End plate 1 and 2 is enclosure material such as plastic plate, rubber slab, sheet metal or metal otter board.The material of air flow field plate 3 and hydrogen stream field plate 4 is nonconducting pliability material, as printed circuit board (PCB), rubber slab, plastic plate or insulation processing metallic plate, those materials not with hydrogen or oxygen reaction, affix conducting channel again can reach the outside with the electric current of soft electrode unit thereon.Mea 5 comprises soft electrode unit 52, and its material is soft or the flexible conducting body, the composite material conductive magma that is combined into as carbon fiber clustering, conducting polymer or carbon paper and/or carbon dust.Soft electrode unit 52 can provide mea 5 to contact (can bear the contact that distortion can also be kept conduction) with the air flow field plate with the soft conduction of hydrogen stream field plate upper conductor.As shown in Figure 2, conducting channel on air flow field plate 3 and the hydrogen stream field plate 4 is collected and exported to the electricity that produced of mea 5 reaction by soft electrode unit 52.Mea 5 as shown in Figure 3, proton exchange membrane 51 is located between catalyst layer 54 and 53.Hydrogen forms hydrogen proton and electronics from hydrogen supply device 20 through hydrogen stream field plate 4 contact catalyst layers 54 back, and wherein the oxygen that passes in proton exchange membrane 51 backs and the catalyst layer 53 of hydrogen proton reacts, and electronics is connected to portable electronic element or battery through external circuits.Proton exchange membrane 51 can be proton exchange membrane that fuel cell that general company produces uses as available from DuPont, Dow, Gore, the proton exchange membrane of companies such as Asahi Glass, Asahi Chemical.In the utility model one embodiment, catalyst layer and/or diffusion layer can further be contained in proton exchange membrane 51 both sides, 3 or 5 layers promptly commercially available mea 5.Above-mentioned proton exchange membrane 51, catalyst layer 54, and the mea formed of diffusion layer 53 be soft, folder establish to pliability end plate 1 and 2 and air flow field plate 3 and hydrogen stream field plate 4 after, promptly form bendable fuel cell.
The composition of plasticity hydrogen fuel of the present utility model contains solid catalyst, solid hydrides, reaches the hydrophobic polymer elastomer.Solid hydrides can be boron hydride such as NaBH
4, LiBH
4, Ca (BH
4)
2, Mg (BH
4)
2, KBH
4, or Al (BH
4)
3, metal hydride such as LiH, NaH, MgH
2Or CaH
2, boron nitrogen hydride such as ammonia borine, diborane, diamino diborane, H
2B (NH
3)
2BH
4, poly-amino borane, borazine, morpholine borine, borine-oxolane or above-mentioned combination.The catalyst of ruthenium (Ru), cobalt (Co), nickel (Ni), copper (Cu), iron (Fe), ruthenium ion, cobalt ions, nickel ion, copper ion, iron ion or above-mentioned combination is contained in solid catalyst system.The hydrophobic polymer elastomer comprises silica gel, rubber or silicon rubber.Behind solid catalyst and solid hydrides high speed ball milling, add the hydrophobic polymer elastic substrate again, just form the plasticity hydrogen fuel, its detailed proportioning components and the practice can be with reference to No. the 98108205th, TaiWan, China number of patent applications.
After above-mentioned plasticity hydrogen fuel placed hydrogen supply device 20, be connected to hydrogen stream field plate 4.After water added hydrogen supply device 20, can form hydrogen.Hydrogen supply device 20 is bendable packing such as plastics, rubber, nylon or an airtight cloth bag.In the utility model one embodiment, fuel cell 10 is a bendable laminated structure, and hydrogen supply device 20 is a bendable flat bag shaped structure, can be attached at above-mentioned pliability fuel cell.In this embodiment, the plasticity hydrogen fuel is a sheet structure, and its undersized is in the hydrogen supply device 20 of flexible bag shape.The plasticity hydrogen fuel is rolled into cylindric when taking in usually and places waterproof bag, shakeouts before using again and launches to insert hydrogen supply device 20, can produce hydrogen after adding water.Because the power supply unit that above-mentioned fuel cell 10 and hydrogen supply device 20 are formed is bendable laminated structure, the pocket of can pack into personal luggage or knapsack, the pocket of underclothes such as the overcoat of packing into, cap or shirt or make the outside in above-mentioned clothing.Because power supply unit is a pliability, even be subjected to the external force collision or pushing and also can not destroy proton exchange membrane or hydrogen sealing place.With existing skill relatively, the power supply unit of this embodiment is that sheet but not the block or cylindric solid shape that waits do not account for volume in comparison and do not need the fixed space placement, can effectively increase its Portability.Be understandable that power supply unit of the present utility model can be with the pocket varying sized design that varies in size.
In order to make in the unlikely inflow fuel cell 10 of water in the hydrogen supply device 20, can further sew up high-absorbent material or absorbent polymer such as polyacrylate, polyvinyl alcohol, acetate ethylene copolymer, polyurethane, poly(ethylene oxide), starch graft copolymer or rubber blend in the hydrogen supply device inboard.Thus, the water in the adding hydrogen supply device will form immobilising glue shape, and will sucking-off water and reaction formation hydrogen behind the plasticity hydrogen fuel contact glue.
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, several embodiment cited below particularly cooperate appended diagram, are described in detail below:
[embodiment]
The proton exchange membrane of fuel cell is for being purchased product Dupont NRE211.Catalyst layer and diffusion layer be lump together be purchased product (GDE BASF (E-tek) LT121EW), it is cut out to the size as metallic conduction circuit electrode on air flow field plate and the hydrogen stream field plate.Proton exchange membrane (being purchased product is Dupont NRE211) and catalyst layer/diffusion layer (GDE BASF (E-tek) LT121EW, existing bond on the product) are formed mea 5 with the hot pressing mode pressing, and hot pressing condition is 130-140 ℃ and held pressure one minute.The conduction carbon cloth of getting flexible is cut out its size makes its size that meets metallic conduction electrode on air flow field plate and the hydrogen stream field plate, soft electrode unit 52 promptly of the present utility model.With mea, soft electrode unit, air flow field plate and hydrogen stream field plate, optionally add upper end version (inessential) after, be adhesively fixed with Instant cement, and the conducting channel of keeping on mea, soft electrode unit and the air/hydrogen air-flow field plate is conduction state, seals with flexible glue more all around.The direct ingress of air of air flow field plate side.Hydrogen stream field plate side then is attached to the hydrogen supply device of flexible bag shape, and joining place seals with flexible glue so that Instant cement is bonding again, and with stalloy joining place is fixed up, and forms the outer bendable power supply unit that is with chase.
Though the utility model discloses as above with a plurality of preferred embodiments; right its is not in order to limit the utility model; anyly have the knack of this skill person; in not breaking away from spirit and scope of the present utility model; when changing arbitrarily and retouching, therefore protection range of the present utility model is as the criterion when looking accompanying the claim person of defining.
Claims (10)
1. bendable power supply unit is characterized in that comprising:
One bendable fuel cell is connected to a hydrogen supply device, and this hydrogen supply device contains a plasticity hydrogen fuel;
Wherein this bendable fuel cell is a sandwich construction, be a upper head plate, an air flow field plate, two soft electrode units, a mea, a hydrogen stream field plate and bottom plates in regular turn, and this mea is that a proton exchange membrane is located between two catalyst layers;
Wherein this plasticity hydrogen fuel comprises solid hydrides, solid catalyst, reaches the hydrophobic polymer elastomer.
2. bendable power supply unit as claimed in claim 1 is characterized in that, this bendable power supply unit is a slabbed construction.
3. bendable power supply unit as claimed in claim 1 is characterized in that, this upper head plate and/or this bottom plate comprise plastic plate, rubber slab, sheet metal or metal otter board.
4. bendable power supply unit as claimed in claim 1 is characterized in that, this air flow field plate or hydrogen stream field plate comprise circuit board, plastic plate, rubber slab or insulation processing metallic plate.
5. bendable power supply unit as claimed in claim 1 is characterized in that this mea also comprises a catalyst layer.
6. bendable power supply unit as claimed in claim 1 is characterized in that, this hydrophobic polymer elastomer comprises silica gel, rubber or silicon rubber.
7. bendable power supply unit as claimed in claim 1 is characterized in that, this hydrogen supply device comprises plastics, rubber, nylon or airtight cloth bag.
8. bendable power supply unit as claimed in claim 1 is characterized in that, this fuel cell is a sheet structure.
9. bendable power supply unit as claimed in claim 1 is characterized in that, this hydrogen supply device is the fuel cell that a bendable flat bag shaped structure is attached at this sheet.
10. bendable power supply unit as claimed in claim 1 is characterized in that this hydrogen supply device also comprises a water-absorbing material or absorbent polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201748743U CN201608234U (en) | 2009-04-29 | 2009-09-14 | Flexible power supply |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920150760 | 2009-04-29 | ||
| CN200920150760.5 | 2009-04-29 | ||
| CN2009201748743U CN201608234U (en) | 2009-04-29 | 2009-09-14 | Flexible power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608234U true CN201608234U (en) | 2010-10-13 |
Family
ID=42952937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201748743U Expired - Lifetime CN201608234U (en) | 2009-04-29 | 2009-09-14 | Flexible power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538379A (en) * | 2022-02-28 | 2022-05-27 | 四川大学 | Metal oxide/magnesium borohydride amide high-conductivity solid electrolyte composite material containing interface defects and preparation method thereof |
-
2009
- 2009-09-14 CN CN2009201748743U patent/CN201608234U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538379A (en) * | 2022-02-28 | 2022-05-27 | 四川大学 | Metal oxide/magnesium borohydride amide high-conductivity solid electrolyte composite material containing interface defects and preparation method thereof |
| CN114538379B (en) * | 2022-02-28 | 2024-01-30 | 四川大学 | High-conductivity solid electrolyte composite material containing interface defect metal oxide/magnesium borohydride amide and preparation method thereof |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |