CN209045684U - A kind of solid oxide fuel cell - Google Patents

Abstract

The utility model relates to a kind of solid oxide fuel cell, including battery component and Fuel Trap, if battery component includes support plate and dry pile, support plate is equipped with supporting mechanism at center vertically, supporting mechanism is successively arranged air distributor and fuel distributor from bottom to up, pile is located at equal intervals in the support plate around supporting mechanism, and pile is cuboid and inside is cavity, pile include the air side of going out equipped with air scoop, into air side, into fuel-side and out fuel-side；The connection of air distributor arrival end is equipped with air inlet manifold, outlet end passes through air line pile into air side, fuel distributor arrival end is equipped with a fuel inlet header pipe, outlet end is connected to pile into fuel-side by several cartridges one by one, pile goes out fuel-side and is connected to Fuel Trap jointly by several cartridges, Fuel Trap is installed on supporting mechanism and it is also connected to and is equipped with a fuel outlet general pipeline, and then provides electric energy for external loading, realizes high-power power generation.

Description

A kind of solid oxide fuel cell

Technical field

The utility model relates to mechanical engineering technical fields, and in particular to a kind of solid oxide fuel cell.

Background technique

The energy is the power of the national economic development, and measures overall national strength, Civilization development degree and people's lives Horizontal important indicator, 21 century are the centuries of energy conservation, energy transition and environmental protection, the exploitation of new cleaning fuel, existing The reasonable utilization of the energy, mutually coordinated development has become the basis of this century development of world economy with environmental protection.Fuel electricity Pond is a kind of chemical energy that will be stored in fuel and oxidant, is converted into the device of electric energy.When continuously from outer When portion supplies fuel and oxidant to fuel cell, it can continuously generate electricity.

Solid oxide fuel cell (Solid Oxide Fuel Cell, SOFC) is by its unique advantage, with proton Exchange film fuel battery becomes the research hotspot of new century various countries together.With gradually going deep into for research, single heap SOFC (1kW) hair Electric installation gradually forms, and has biggish promotion in experiment success rate, stability and persistence, therefore, for The research of powerful SOFC power generator is gradually spread out.Relative to single heap, the most crucial problem of more pile power generator is exactly How the stability of each pile work is guaranteed, that is, each pile obtains identical gas flow, with identical reaction rate It generates electricity, in this way, could guarantee that each pile situation is identical to the maximum extent.Because being to be connected in series between more piles, one One piece of cell piece in some pile of denier or even pile is since thermal stress ruptures, degenerating seriously causes performance decline etc. to generate Failure, entire power generator end, and therefore, locating each pile as far as possible is more at the same conditions On pile power generator way for development the problem of urgent need to resolve.

To solve the above problems, the design of this structure on the basis of single heap SOFC power generator, constructs 10kW pile hair Electric installation is arranged using central symmetry and axially symmetric structure as far as possible, is guaranteed at each pile under the requirement for meeting power The required energy is provided in identical working condition to ensure the maximum steady operation of pile.Originally overall dimensions are set It is compact to design for 1340mm × 500mm, it is structurally reasonable simple.

Utility model content

In view of this, the utility model discloses a kind of solid oxide fuel cell, it can be achieved that high-power electric power Output, and solve the problems, such as the gas uniformity of more pile cogenerations.

The utility model provides a kind of solid oxide fuel cell, including battery component and Fuel Trap, described If battery component includes support plate and dry pile, a supporting mechanism, the supporting mechanism are equipped at the support plate center vertically It is successively arranged air distributor and fuel distributor from bottom to up, the pile is located at the support plate around supporting mechanism at equal intervals On, it further includes relatively empty that the pile, which is cuboid, and inside is cavity, and the pile includes going out air side equipped with air scoop Into air side and adjacent air scoop into the fuel-side and out fuel-side of port side；

The air distributor arrival end connection is equipped with an air inlet manifold, and outlet end is connected one by one by several air hoses Energization heap is into air side, and for providing air for pile, the fuel distributor arrival end is equipped with a fuel inlet header pipe, outlet End is connected to pile into fuel-side by several cartridges one by one, and the pile goes out fuel-side and is connected to institute jointly by several cartridges Fuel Trap is stated, the Fuel Trap is installed on the supporting mechanism and it is also connected to and is equipped with a fuel outlet general pipeline, For providing combustion gas for pile.

It further, further include outer cover, the outer cover is coupled with battery component, to seal the battery component, institute Air inlet manifold, fuel inlet header pipe and the free end fuel outlet general pipeline is stated to both pass through outer cover and extend to outside outer cover, it is described outer It covers and is additionally provided with a perforative air outlet manifold.

Further, each pile is identical into the air length of tube between air side and air distributor, each Pile is identical into the fuel tube length between fuel-side and fuel distributor, is respectively used to distribute identical sky for each pile Gas and fuel gas.

Further, a support base is equipped between each pile and support plate.

Further, the battery component at least one, be connected with fuel between the fuel outlet of adjacent two battery component Siphunculus.

Further, the supporting mechanism includes several support columns and support frame, if several support frames as described above are set in parallel Between Heavenly Stems and Earthly Branches dagger, it is respectively positioned on same straight line at several support frame as described above centers, the air distributor, fuel distributor and combustion Material collector is both secured on support frame.

Further, the fuel siphunculus, air hose and cartridge are bellows.

Further, the fuel siphunculus, air hose and cartridge pass through flange and are fixedly connected with pile.

Further, at least one electrode plate and the connecting plate positioned at electrode plate two sides, the electricity are equipped in the pile Pole plate includes anode plate, electrolyte and cathode plate, and the connecting plate contacts one side with anode plate and is equipped with several first through slots, several First through slot is parallel to each other and both ends are respectively communicated with into fuel-side and the cartridge of fuel-side out, for providing fuel for anode plate Gas, the connecting plate contact one side with cathode plate and are equipped with several second through slots, and several second through slots are parallel to each other and both ends are distinguished Be respectively communicated with pile into air side air hose and the air scoop of air side out, for providing oxic gas for cathode plate, described One through slot and the mutually isolated setting of the second through slot.

Technical solution provided by the utility model has the benefit that symmetrical structure designs, it is ensured that fuel Battery is integrally-built compact, while can guarantee the uniform of gas supply, and it is identical to guarantee that each pile has to the maximum extent Output power, and then ensure the stable operation of entire fuel cell, high-power hair may be implemented in the cogeneration of more piles Electricity.

Detailed description of the invention

Fig. 1 is a kind of overall structure figure of solid oxide fuel cell of the utility model；

Fig. 2 is the internal structure chart of single layer battery component in the utility model embodiment one；

Fig. 3 is the internal structure chart of bilayer cells component in the utility model embodiment one；

Fig. 4 is the internal structure chart of pile in the utility model embodiment one.

In figure: 1, support plate 2, pile 3, supporting mechanism 301, support column 302, support frame 4, air distributor 5, fuel point Orchestration 6, air scoop 7, air inlet manifold 8, air hose 9, fuel inlet header pipe 10, cartridge 11, Fuel Trap 12, fuel Outlet header 13, outer cover 14, air outlet manifold 15, support base 16, fuel siphunculus 17, flange 18, connecting plate 181, first are logical Slot 182, the second through slot 19, electrode plate.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is further described.

Embodiment one

Referring to FIG. 1, the embodiments of the present invention disclose a kind of solid oxide fuel cell, including battery component And Fuel Trap, if the battery component includes support plate and dry pile, referring to FIG. 2, the pile quantity that this implementation uses It is 6, is equipped with a supporting mechanism at the support plate center vertically, the supporting mechanism is successively arranged air distribution from bottom to up Device and fuel distributor, generally, it includes several support columns and support frame that supporting mechanism, which uses, and several support columns are in support plate Heart point is the center of circle, is located at support plate at equal intervals close to center position, and several support frames as described above are set in parallel between several support columns, It is respectively positioned on same straight line at several support frame as described above centers, the air distributor and fuel distributor are both secured to support frame On.

The pile is located at equal intervals in the support plate around supporting mechanism, described in order to guarantee the fixed stabilization of pile Pile is cuboid and inside is cavity, and a support base is equipped between pile and support plate, described for further fixing pile Pile includes going out air side equipped with air scoop, further include relative atmospheric mouth side into air side and adjacent air scoop into Fuel-side and out fuel-side；

The air distributor arrival end connection is equipped with an air inlet manifold, and outlet end is connected one by one by several air hoses Energization heap can enter into air side, air from pile into air side, and be discharged from air scoop, for providing air for pile；Institute Fuel distributor arrival end is stated equipped with a fuel inlet header pipe, outlet end is connected to pile into fuel by several cartridges one by one Side, the pile go out fuel-side and are connected to the Fuel Trap jointly by several cartridges, and the Fuel Trap is installed in On the supporting mechanism and it is also connected to and is equipped with a fuel outlet general pipeline, and combustion gas can enter from pile into fuel-side, and from electricity Heap goes out fuel-side discharge, for providing combustion gas for pile.

Gas in order to realize each pile is evenly distributed, each pile is between air side and air distributor Air length of tube is identical, each pile is identical into the fuel tube length between fuel-side and fuel distributor, and then maximum limit Degree guarantees each pile output power having the same.

Referring to FIG. 3, in order to promote the electric power of fuel cell and enough voltage values, the battery component can be more Layer, such as two layers, three layers, four layers, and so on, for two layers shown in Fig. 3, each layer of battery component has one's own Air inlet manifold and fuel inlet header pipe, and a fuel siphunculus is connected between the dyestuff outlet of two neighboring battery component, Fuel outlet in each layer of battery component can be interconnected by the fuel siphunculus, and then be recycled to together positioned at most upper In the Fuel Trap of one layer or one layer of bottom of side, cost is not only reduced, while also ensuring the succinct of each pipeline, Be conducive to reduce the volume of fuel cell.And the fuel siphunculus, air hose and cartridge are convenient for into bellows can be used It can be bent when installation, the diameter of fuel siphunculus and cartridge uses 25mm, and the diameter of air pipeline uses 42mm.

Meanwhile in order to guarantee that air and combustion gas not will be leaked in transmission process, the fuel siphunculus, air hose and combustion Expects pipe passes through flange and is fixedly connected with pile, and hygienic flange can be used in flange.

With continued reference to FIG. 1, this fuel cell further includes an outer cover, the outer cover can match with the support plate of basecoat Installation is closed, battery component is all sealed in the confined space that support plate and outer cover are formed, for the protection to battery component, It is covered outside equipped with an air outlet manifold simultaneously, may be provided at the top center of outer cover, may be alternatively provided in the bottom of support plate At the heart, as long as ambient enviroment can be expelled to the gas that air scoop is discharged.

Meanwhile at least one electrode plate and the connecting plate positioned at electrode plate two sides are equipped in the pile, referring to FIG. 4, By taking 4 electrode plates as an example, the electrode plate from top to bottom successively include anode plate, electrolyte and cathode plate, the connecting plate with Anode plate contact one side is equipped with several first through slots, and several first through slots are parallel to each other, and its both ends is respectively communicated with into fuel-side The cartridge of fuel-side out, and then fuel gas is provided for anode plate from the combustion gas that cartridge enters, fuel gas is on electrode plate Ejected electron；The connecting plate contacts one side with cathode plate and is equipped with several second through slots simultaneously, and several second through slots are parallel to each other, And its both ends be respectively communicated with pile into air side air hose and the air scoop of air side, and then the sky entered from air hose out Gas provides oxic gas for cathode plate, and fuel gas under the effect of the catalyst, decomposes on anode plate and discharges extra electronics and band Negative electricity, oxic gas under the effect of the catalyst, decompose on cathode plate and lack electronics and positively charged, thus by anode plate and cathode After plate accesses in circuit, and electric energy can be both provided for circuit, while hydrogen ion and oxic gas extra after fuel gas decomposition decomposes Extra cation is combined into water under the action of electrolyte, completes the power supply of fuel cell.

First through slot and the mutually isolated setting of the second through slot, place pile inside air and fuel gas formed it is dry It disturbs, guarantees the normal power supply of fuel cell.

It is being simultaneously actual in use, the cathode plate of pile is as anode, the anode plate of electricity pair as cathode, press by pile Be sequentially connected according to sequence anode and cathode, for example, marked as pile 1, pile 2, pile 3, pile N and pile N+1, Middle N >=1, the anode of pile 1 connect the cathode of pile 2, and the anode of pile 2 connects the cathode of pile 3, the anode of pile N The cathode for meeting pile N+1 using the anode of the cathode of pile 1 and pile N+1 as the positive and negative anodes of entire fuel cell, and then is outer Section load is powered.

Specific embodiment described in the utility model is only to give an example to the spirit of the present invention.This is practical Novel person of ordinary skill in the field can make various modifications or additions to the described embodiments or adopt It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims It encloses.

In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of solid oxide fuel cell, including battery component and Fuel Trap, it is characterised in that: the battery component If a supporting mechanism is equipped at the support plate center vertically, the supporting mechanism is from bottom to up including support plate and dry pile It is successively arranged air distributor and fuel distributor, the pile is located at equal intervals in the support plate around supporting mechanism, described Pile is cuboid and inside is cavity, and it further includes relative atmospheric mouth one that the pile, which includes going out air side equipped with air scoop, Into air side and adjacent air scoop into the fuel-side and out fuel-side of side；The air distributor arrival end connection is equipped with one Air inlet manifold, outlet end is connected to pile into air side by several air hoses one by one, described for providing air for pile Fuel distributor arrival end is equipped with a fuel inlet header pipe, and outlet end is connected to pile into fuel-side by several cartridges one by one, The pile goes out fuel-side and is connected to the Fuel Trap jointly by several cartridges, and the Fuel Trap is installed in described On supporting mechanism and it is also connected to and is equipped with a fuel outlet general pipeline, for providing combustion gas for pile.

2. a kind of solid oxide fuel cell according to claim 1, it is characterised in that: it further include outer cover, the outer cover It is coupled with battery component, to seal the battery component, the air inlet manifold, fuel inlet header pipe and fuel outlet The free end general pipeline both passes through outer cover and extends to outside outer cover, and outer cover is additionally provided with a perforative air outlet manifold.

3. a kind of solid oxide fuel cell according to claim 1, it is characterised in that: each pile is into air side Air length of tube between air distributor is identical, each pile is into the fuel pipe range between fuel-side and fuel distributor It spends identical, is respectively used to distribute identical air and fuel gas for each pile.

4. a kind of solid oxide fuel cell according to claim 1, it is characterised in that: each pile and support plate Between be equipped with a support base.

5. a kind of solid oxide fuel cell according to claim 1, it is characterised in that: the battery component at least one It is a, fuel siphunculus is connected between the fuel outlet of adjacent two battery component.

6. a kind of solid oxide fuel cell according to claim 5, it is characterised in that: the supporting mechanism includes several Support column and support frame, several support frames as described above are set in parallel between several support columns, are respectively positioned at several support frame as described above centers On same straight line, the air distributor, fuel distributor and Fuel Trap are both secured on support frame.

7. a kind of solid oxide fuel cell according to claim 5, it is characterised in that: the fuel siphunculus, air hose It is bellows with cartridge.

8. a kind of solid oxide fuel cell according to claim 5, it is characterised in that: the fuel siphunculus, air hose Pass through flange with cartridge to be fixedly connected with pile.

9. any one of -8 a kind of solid oxide fuel cell according to claim 1, it is characterised in that: set in the pile There are at least one electrode plate and the connecting plate positioned at electrode plate two sides, the electrode plate includes anode plate, electrolyte and cathode plate, The connecting plate contacts one side with anode plate and is equipped with several first through slots, and several first through slots are parallel to each other and both ends are respectively communicated with Into the fuel-side and out cartridge of fuel-side, for providing fuel gas for anode plate, the connecting plate contacts one side with cathode plate Equipped with several second through slots, several second through slots are parallel to each other and both ends be respectively communicated with respectively pile into air side air hose and The air scoop of air side out, for providing oxic gas, first through slot and the mutually isolated setting of the second through slot for cathode plate.