CN108417855A - A kind of microfluid fuel cell with right-angled trapezium porous electrode - Google Patents
A kind of microfluid fuel cell with right-angled trapezium porous electrode Download PDFInfo
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- CN108417855A CN108417855A CN201810306915.3A CN201810306915A CN108417855A CN 108417855 A CN108417855 A CN 108417855A CN 201810306915 A CN201810306915 A CN 201810306915A CN 108417855 A CN108417855 A CN 108417855A
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- Prior art keywords
- angled trapezium
- porous electrode
- fuel cell
- groove
- porous
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a kind of microfluid fuel cells with right-angled trapezium porous electrode, belong to field of fuel cell technology, it is formed by packaging by hot pressing with the upper cover plate and lower cover for being covered in partition board or more by partition board, fluid course is offered in partition board, anolyte entrance is provided on upper cover plate, catholyte entrance and reaction solution outlet, deposition has the positive electrode current collector and cathode current collector of metal layer on the inner surface of upper cover plate, positive electrode current collector and cathode current collector are connected to draw respectively with outer conductor the electric energy generated in fuel cell for external circuit load use, lower cover bottom surface is equipped with groove, right-angled trapezium porous electrode is arranged in groove.The design of lower plate groove that the present invention uses can avoid increasing while effective fixed porous electrode battery size, the Flow Field Distribution that the right-angled trapezium electrode design of use can be in equilibrium porous electrode.
Description
Technical field
The present invention relates to a kind of microfluid fuel cells, more particularly to a kind of miniflow with right-angled trapezium porous electrode
Fluid fuel battery, belongs to field of fuel cell technology.
Background technology
Microfluid fuel cell makes fuel and oxidizer stream natural layering using the laminar flow characteristics of microfluidic, without using
Proton exchange membrane, it is simple in structure, it is at low cost, there is huge application potential in portable, developed at present
In a variety of microfluid fuel cells, the microfluid fuel cell with porous electrode presents good performance advantage, at this
In a little microfluid fuel cells with porous electrode, porous electrode generally uses rectangle, and will be electric by extending electrode length
The mode that pole elongated end is stuck in partition board card slot is fixed in the battery, however correlative study is found, in these rectangular cellular electrodes
Flow Field Distribution and unbalanced, the flow velocity close to outlet side is larger, and the fixing means of extending electrode length increases battery
Overall dimensions bring adverse effect to the application of microfluid fuel cell in portable.
Invention content
The main object of the present invention is to provide for a kind of microfluid fuel cell with right-angled trapezium porous electrode, adopts
The design of lower plate groove can avoid increasing battery size, the right-angled trapezium electricity of use while effective fixed porous electrode
Pole design can be in balanced porous electrode Flow Field Distribution.
The purpose of the present invention can reach by using following technical solution：
A kind of microfluid fuel cell with right-angled trapezium porous electrode by partition board and is covered in the partition board or more
Upper cover plate and lower cover are formed by packaging by hot pressing, and fluid course is offered in the partition board, sun is provided on the upper cover plate
Pole liquid entrance, catholyte entrance and reaction solution export, and deposition has the anode current of metal layer to receive on the inner surface of the upper cover plate
Storage and cathode current collector, the positive electrode current collector and the cathode current collector are mutually used in conjunction with outer conductor respectively
Use is loaded for external circuit to draw the electric energy generated in fuel cell, the lower cover bottom surface is equipped with groove, the right angle ladder
Shape porous electrode is arranged in the groove.
Preferably, the material of the partition board, the upper cover plate and the lower cover is PMMA poly-methyl methacrylates
Ester, thickness are 0.3mm.
Preferably, the fluid course in the partition board is straight slot.
Preferably, the anolyte entrance on the upper cover plate and the catholyte entrance are through-hole；The reaction
Liquid outlet is through-hole, the conjoint outlet as anolyte and catholyte.
Preferably, the anolyte is the sulfuric acid solution for having dissolved bivalent vanadium, and the catholyte is to have dissolved pentavalent vanadium
Sulfuric acid solution.
Preferably, the metal layer material deposited on the upper cover plate inner surface is gold and/or platinum, the thickness of the metal layer
For 100nm.
Preferably, the upper bottom of the right-angled trapezium porous electrode is located at entrance side, and bottom is located at outlet side, and right-angle side is located at
Intermediate flow channel side, material are carbon paper, and thickness is the sum of block board thickness and lower plate depth of groove.
Preferably, the groove of the lower cover bottom surface includes anode groove and cathode slots, the anode groove and described
The flat shape size of cathode slots is consistent with the embedded flat shape size of right-angled trapezium porous electrode.
Preferably, the right-angled trapezium porous electrode includes porous anode and porous cathode, and the porous anode setting exists
In the anode groove, the porous cathode is arranged in the cathode slots.
Preferably, the depth of the anode groove and the cathode slots is 0.1mm.
The advantageous effects of the present invention：Miniflow fluid fuel electricity according to the invention with right-angled trapezium porous electrode
The lower plate groove design in pond, the microfluid fuel cell provided by the invention with right-angled trapezium porous electrode, use can be
Effectively fixed porous electrode while avoid increasing battery size, the right-angled trapezium electrode design of use can be in balanced porous electrode
Flow Field Distribution.
Description of the drawings
Fig. 1 is a preferred embodiment of the microfluid fuel cell according to the invention with right-angled trapezium porous electrode
Assembly structure diagram；
Fig. 2 is a preferred embodiment of the microfluid fuel cell according to the invention with right-angled trapezium porous electrode
The floor map of the metal layer deposited on upper cover plate inner surface.
In figure：1, partition board, 1-1, fluid course, 2, upper cover plate, 2-1, anolyte entrance, 2-2, catholyte entrance, 2-3,
Reaction solution exports, 2-4, positive electrode current collector, 2-5, cathode current collector, and 3, lower cover, 3-1, anode groove, 3-2, the moon
Pole groove, 4, porous anode, 5, porous cathode.
Specific implementation mode
To make the more clear and clear technical scheme of the present invention of those skilled in the art, with reference to embodiment and attached drawing
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As depicted in figs. 1 and 2, a kind of miniflow fluid fuel electricity with right-angled trapezium porous electrode provided in this embodiment
Pond is formed by partition board 1 with the upper cover plate 2 and lower cover 3 for being covered in about 1 partition board by packaging by hot pressing, in the partition board 1
Fluid course 1-1 is offered, anolyte entrance 2-1, catholyte entrance 2-2 and reaction solution outlet are provided on the upper cover plate 2
2-3, deposition has the positive electrode current collector 2-4 and cathode current collector 2-5 of metal layer on the inner surface of the upper cover plate 2,
The positive electrode current collector 2-4 and cathode current collector 2-5 is connected to draw fuel cell respectively with outer conductor
The electric energy of interior generation is loaded for external circuit and is used, and 3 bottom surface of the lower cover is equipped with groove, the right-angled trapezium porous electrode setting
In the groove.
In the present embodiment, the material of the partition board 1, the upper cover plate 2 and the lower cover 3 is the poly- methyl of PMMA
Methyl acrylate, thickness are 0.3mm.
In the present embodiment, as shown in Figure 1, the fluid course 1-1 in the partition board 1 is straight slot, on the upper cover plate 2
The anolyte entrance 2-1 and catholyte entrance 2-2 is through-hole；The reaction solution outlet 2-3 is through-hole, as anode
The conjoint outlet of liquid and catholyte, the anolyte are the sulfuric acid solution for having dissolved bivalent vanadium, and the catholyte is to have dissolved five
The sulfuric acid solution of valence vanadium.
In the present embodiment, the metal layer material deposited on 2 inner surface of the upper cover plate is gold and/or platinum, the metal
The thickness of layer is 100nm.
In the present embodiment, the upper bottom of the right-angled trapezium porous electrode is located at entrance side, and bottom is located at outlet side, right angle
Side is located at intermediate flow channel side, and material is carbon paper, and thickness is the sum of 1 thickness of partition board and lower plate depth of groove.
In the present embodiment, as shown in Figure 1, the groove of 3 bottom surface of the lower cover includes anode groove 3-1 and cathode slots
The flat shape size of 3-2, the anode groove 3-1 and the cathode slots 3-2 and embedded right-angled trapezium porous electrode
Flat shape size is consistent, and the right-angled trapezium porous electrode includes porous anode 4 and porous cathode 5, and the porous anode 4 is set
Set in the anode groove 3-1, the porous cathode 5 be arranged in the cathode slots 3-2, the anode groove 3-1 and
The depth of the cathode slots 3-2 is 0.1mm.
In conclusion in the present embodiment, according to the miniflow fluid fuel with right-angled trapezium porous electrode of the present embodiment
Battery, the microfluid fuel cell provided in this embodiment with right-angled trapezium porous electrode, the lower plate groove design of use
It can avoid increasing battery size while effective fixed porous electrode, the right-angled trapezium electrode design of use can balanced porous electricity
Flow Field Distribution in extremely.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of microfluid fuel cell with right-angled trapezium porous electrode by partition board (1) and is covered on the partition board (1)
Under upper cover plate (2) and lower cover (3) formed by packaging by hot pressing, which is characterized in that offers fluid stream in the partition board (1)
Road (1-1) is provided with anolyte entrance (2-1), catholyte entrance (2-2) and reaction solution outlet (2- on the upper cover plate (2)
3) positive electrode current collector (2-4) and cathode current collector for having metal layer, are deposited on the inner surface of the upper cover plate (2)
(2-5), the positive electrode current collector (2-4) and the cathode current collector (2-5) are connected to draw with outer conductor respectively
Go out the electric energy generated in fuel cell and load use for external circuit, lower cover (3) bottom surface is equipped with groove, the right-angled trapezium
Porous electrode is arranged in the groove.
2. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The material of the partition board (1), the upper cover plate (2) and the lower cover (3) is PMMA polymethyl methacrylates, thick
Degree is 0.3mm.
3. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
Fluid course (1-1) in the partition board (1) is straight slot.
4. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The anolyte entrance (2-1) and the catholyte entrance (2-2) on the upper cover plate (2) are through-hole；The reaction solution
It is through-hole, the conjoint outlet as anolyte and catholyte to export (2-3).
5. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The anolyte is the sulfuric acid solution for having dissolved bivalent vanadium, and the catholyte is the sulfuric acid solution for having dissolved pentavalent vanadium.
6. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The metal layer material deposited on upper cover plate (2) inner surface is gold and/or platinum, and the thickness of the metal layer is 100nm.
7. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The upper bottom of the right-angled trapezium porous electrode is located at entrance side, and bottom is located at outlet side, and right-angle side is located at intermediate flow channel side, material
For carbon paper, thickness is the sum of partition board (1) thickness and lower plate depth of groove.
8. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 1, which is characterized in that
The groove of lower cover (3) bottom surface includes anode groove (3-1) and cathode slots (3-2), the anode groove (3-1) and institute
The flat shape size for stating cathode slots (3-2) is consistent with the embedded flat shape size of right-angled trapezium porous electrode.
9. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 8, which is characterized in that
The right-angled trapezium porous electrode includes porous anode (4) and porous cathode (5), and the porous anode (4) is arranged in the sun
In pole groove (3-1), porous cathode (5) setting is in the cathode slots (3-2).
10. a kind of microfluid fuel cell with right-angled trapezium porous electrode according to claim 8, feature exist
In the depth of the anode groove (3-1) and the cathode slots (3-2) is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306915.3A CN108417855A (en) | 2018-04-08 | 2018-04-08 | A kind of microfluid fuel cell with right-angled trapezium porous electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306915.3A CN108417855A (en) | 2018-04-08 | 2018-04-08 | A kind of microfluid fuel cell with right-angled trapezium porous electrode |
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| Publication Number | Publication Date |
|---|---|
| CN108417855A true CN108417855A (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810306915.3A Pending CN108417855A (en) | 2018-04-08 | 2018-04-08 | A kind of microfluid fuel cell with right-angled trapezium porous electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860651A (en) * | 2019-01-25 | 2019-06-07 | 江苏理工学院 | A kind of high-performance radial direction microfluid fuel cell |
| CN114824362A (en) * | 2022-04-28 | 2022-07-29 | 常州工学院 | Porous electrode type microfluidic fuel cell with slit type reactant delivery system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199294A (en) * | 2013-03-15 | 2013-07-10 | 华东理工大学 | Microfluid-based self-breathing photocatalytic film-free fuel battery |
| CN107195922A (en) * | 2017-05-08 | 2017-09-22 | 江苏理工学院 | A kind of flexible microfluid is without membrane cell |
-
2018
- 2018-04-08 CN CN201810306915.3A patent/CN108417855A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199294A (en) * | 2013-03-15 | 2013-07-10 | 华东理工大学 | Microfluid-based self-breathing photocatalytic film-free fuel battery |
| CN107195922A (en) * | 2017-05-08 | 2017-09-22 | 江苏理工学院 | A kind of flexible microfluid is without membrane cell |
Non-Patent Citations (3)
| Title |
|---|
| ERIK KJEANG等: "A Microfluidic Fuel Cell with Flow-Through Porous Electrodes", 《JOURNAL OF THE AMERICAN CHEMICAL SOCIETY》 * |
| 许结林: "微型无膜燃料电池透过型电极结构设计与性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 顾顺杰: "微流体无膜燃料电池电堆集成技术研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860651A (en) * | 2019-01-25 | 2019-06-07 | 江苏理工学院 | A kind of high-performance radial direction microfluid fuel cell |
| CN114824362A (en) * | 2022-04-28 | 2022-07-29 | 常州工学院 | Porous electrode type microfluidic fuel cell with slit type reactant delivery system |
| CN114824362B (en) * | 2022-04-28 | 2023-12-19 | 常州工学院 | Porous electrode type microfluidic fuel cell with slit-type reactant delivery system |
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Application publication date: 20180817 |