CN105226315A - A kind of tubular solid oxide fuel cell battery pack and preparation method thereof - Google Patents
A kind of tubular solid oxide fuel cell battery pack and preparation method thereof Download PDFInfo
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- CN105226315A CN105226315A CN201510724679.3A CN201510724679A CN105226315A CN 105226315 A CN105226315 A CN 105226315A CN 201510724679 A CN201510724679 A CN 201510724679A CN 105226315 A CN105226315 A CN 105226315A
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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
- H01M8/10—Fuel cells with solid electrolytes
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
- H01M8/2485—Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
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- 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
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Abstract
The invention provides a kind of tubular solid oxide fuel cell battery pack and preparation method thereof, fuel cell power generation body group is provided with in cathode shell, fuel cell power generation body group is made up of fuel cell power generation body, cathode inlet pipe and negative electrode escape pipe is provided with between cathode shell and fuel cell power generation body, fuel cell power generation body group upper end is provided with the top connection of anode of fuel cell gas circuit, fuel cell power generation body group lower end is provided with the lower contact of anode of fuel cell gas circuit, outside fuel cell power generation body, cathode shell touching position is provided with cathode terminal, inside fuel cell power generation body, cathode shell touching position is provided with anode terminal.The ceramic structure that this fuel cell battery group is sintered into one avoids the problem of Solid Oxide Fuel Cell in high temperature operating conditions lower seal difficulty, and the further assembling of Solid Oxide Fuel Cell and structure are more prone to.
Description
Technical field
The present invention relates to field of fuel cell technology, more particularly, relate to a kind of tubular solid oxide fuel cell battery pack and preparation method thereof.
Background technology
Along with development that is economic and society, the environment that facing mankind is more and more urgent and energy problem.Fuel cell is a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) efficiently, and the chemical energy of fuel is directly electric energy by it, and without heat engine process, thus its efficiency does not limit by Carnot cycle ideal efficiency.The research of fuel cell has the history of upper a century, and people have invented pluralities of fuel battery.Wherein Solid Oxide Fuel Cell (SOFC) obtains great attention.The generating efficiency of current Solid Oxide Fuel Cell can reach 50%, can reach 70% with the generating efficiency of steam turbine combined cycle generation, and further Appropriate application waste heat, its efficiency can reach more than 80%.Another advantage of Solid Oxide Fuel Cell can reduce to pollute, and reduces the discharge of nitrogen oxide and particle.
Solid Oxide Fuel Cell comprises cathode cavity and anode cavities, and cathode cavity passes into oxygen, and anode cavities passes into fuel, is generally imflammable gas.In order to produce electric energy, cathode cavity and anode cavities must seal respectively, when cathode gas and anodic gas leak, when causing two kinds of gas and vapor permeation, can make decrease in power generation efficiency, can blast, or cause fire time comparatively serious.Solid Oxide Fuel Cell needs to run at a higher temperature, and usual operating temperature is more than 600 DEG C, and therefore under the high temperature conditions, the sealing of Solid Oxide Fuel Cell is very crucial.Because the negative electrode of Solid Oxide Fuel Cell, electrolyte and anode material all have ceramic character, between ceramic member, be not easy sealing; In addition, also there will be sealing when these materials are connected with metal bad, the unmatched problem of the coefficient of expansion.
Summary of the invention
Existing Solid Oxide Fuel Cell is formed by multiple assembling parts usually, needs to adopt various means to keep sealing during applied at elevated temperature between multi-part.Instant invention overcomes deficiency of the prior art, adopt ceramic seal sintering processing all for battery seal parts to be sintered into one, to solve the problem of the elevated-temperature seal difficulty existed in Solid Oxide Fuel Cell use procedure.
Object of the present invention is achieved by following technical proposals.
A kind of tubular solid oxide fuel cell battery pack, comprise the top connection of anode of fuel cell gas circuit, cathode inlet pipe, negative electrode escape pipe, cathode shell, cathode terminal, anode terminal, fuel cell power generation body group and the lower contact of anode of fuel cell gas circuit, fuel cell power generation body group is provided with in cathode shell, fuel cell power generation body group is made up of fuel cell power generation body, the quantity of fuel cell power generation body is more than or equal to two, fuel cell power generation body is arranged along cathode shell even circumferential, the length of fuel cell power generation body is less than or equal to or is greater than the length of cathode shell, cathode inlet pipe and negative electrode escape pipe is provided with between cathode shell and fuel cell power generation body, cathode inlet pipe one end is arranged on the outer tip end of cathode shell or the external bottom end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, negative electrode escape pipe one end is arranged on the outer tip end of cathode shell or the external bottom end of cathode shell, near the inner tip that the negative electrode escape pipe other end extend into cathode shell or near the inner bottom of cathode shell, fuel cell power generation body group upper end is provided with the top connection of anode of fuel cell gas circuit, fuel cell power generation body group lower end is provided with the lower contact of anode of fuel cell gas circuit, outside fuel cell power generation body, cathode shell touching position is provided with cathode terminal, cathode terminal one end is arranged on cathode shell inside, the cathode terminal other end is arranged on cathode shell outside, anode terminal is provided with inside fuel cell power generation body, anode terminal one end is arranged on fuel cell power generation tubular body, the anode terminal other end is arranged on fuel cell power generation body outside and passes the top connection of anode of fuel cell gas circuit, fuel cell power generation body is by anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer composition, anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer set gradually with concentric circular fashion from the inside to the outside, the overall cylindrical shape of fuel cell power generation body, the top connection of anode of fuel cell gas circuit adopts drum, cross section is in " convex " shape structure, the quantity of top connection upper shed is 1, the quantity of quantity or top connection under shed that the quantity of top connection under shed equals fuel cell power generation body is 1, the lower contact of anode of fuel cell gas circuit adopts drum, cross section is in being inverted " convex " shape structure, the quantity of lower contact upper shed be 1 or the quantity of lower contact upper shed equal the quantity of fuel cell power generation body, the quantity of lower contact under shed is 1.
The top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, adopt lower contact upper shed quantity to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination; Or the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity is the top connection of 1, the diameter that the diameter of top connection under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group, adopt lower contact upper shed quantity to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination; Or the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, lower contact upper shed quantity is adopted to be 1 with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination, and the diameter that the diameter of lower contact under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group.
Cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, be arranged on the outer tip end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, be arranged on the outer tip end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell.
At the interface of the interface of the top connection of anode of fuel cell gas circuit and fuel cell power generation body, the lower contact of anode of fuel cell gas circuit and fuel cell power generation body, groove or draw-in groove are set.
Cooling jacket is set in the top connection of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit top connection arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
Cooling jacket is set in the lower contact of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit lower contact arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
Cathode terminal and anode terminal adopt metal platinum.
Cathode shell, cathode inlet pipe, negative electrode escape pipe, the top connection of anode of fuel cell gas circuit, the lower contact of anode of fuel cell gas circuit adopt aluminium oxide, zirconia, mullite or cordierite.
Anode of fuel cell current collector layer and fuel battery negative pole current collector layer adopt metal platinum.
A kind of preparation method of tubular solid oxide fuel cell battery pack, sinter bonding with cathode cavity of fuel cell power generation body refractory ceramics glue seals, and draw cathode terminal and anode terminal, fuel cell power generation body lower end refractory ceramics glue seals bonding sintering with the lower contact of anode of fuel cell gas circuit, fuel cell power generation body upper end refractory ceramics glue seals bonding sintering with the top connection of anode of fuel cell gas circuit, the top connection of anode of fuel cell gas circuit, fuel cell power generation body and the lower contact of anode of fuel cell gas circuit constitute anode cavity, and anode terminal is drawn, the under shed of anode of fuel cell gas circuit lower contact is as anode inlet, the upper shed of anode of fuel cell gas circuit top connection is as anode gas outlet, cathode shell, cathode inlet pipe and the bonding sintering of negative electrode escape pipe refractory ceramics sealant sealing, obtain cathode cavity, fuel battery negative pole cavity and anode cavity seal the tubular solid oxide fuel cell battery pack that bonding sintering obtains being sintered into one.
Beneficial effect of the present invention is: fuel cell power generation body two ends are ceramic interface, and ceramic interface can design according to the shape of outer air-path interface.Adopt the method for ceramic post sintering sealing by the cathode shell of this fuel cell battery group, cathode inlet pipe, negative electrode escape pipe, anode cavity, the top connection of anode of fuel cell gas circuit, the lower contact of anode of fuel cell gas circuit, generating body and electrode are sintered into one, except the parts of a small amount of metal material, all the other each parts are the material of ceramic character, thermal coefficient of expansion is close, be conducive to sealed sintering, the ceramic structure that this fuel cell battery group is sintered into one avoids the problem of Solid Oxide Fuel Cell in high temperature operating conditions lower seal difficulty, the further assembling of Solid Oxide Fuel Cell and structure are more prone to.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram A of the present invention, and wherein, 1 is the top connection of anode of fuel cell gas circuit, and 2 is cathode inlet pipe, 3 is negative electrode escape pipe, and 4 is cathode shell, and 5 is cathode terminal, 6 is anode terminal, and 7 is fuel cell power generation body, and 8 is the lower contact of anode of fuel cell gas circuit;
Fig. 2 is structural profile schematic diagram B of the present invention, and wherein, 1 is the top connection of anode of fuel cell gas circuit, and 2 is cathode inlet pipe, 3 is negative electrode escape pipe, and 4 is cathode shell, and 5 is cathode terminal, 6 is anode terminal, and 7 is fuel cell power generation body, and 8 is the lower contact of anode of fuel cell gas circuit;
Fig. 3 is without cooling jacket or the anode of fuel cell gas circuit top connection of cooling coil and the structural representation of anode of fuel cell gas circuit lower contact in the present invention, wherein, a () is the top connection of anode of fuel cell gas circuit, b () is the lower contact of anode of fuel cell gas circuit, 11 is top connection upper shed, 12 is top connection under shed, 13 is top connection cylinder chamber, 14 is top connection barrel, 81 is lower contact upper shed, 82 is lower contact under shed, and 83 is lower contact cylinder chamber, and 84 is lower contact barrel;
Fig. 4 has the anode of fuel cell gas circuit top connection of cooling coil and the structural representation of anode of fuel cell gas circuit lower contact in the present invention, wherein, a () is the top connection of anode of fuel cell gas circuit, b () is the lower contact of anode of fuel cell gas circuit, 11 is top connection upper shed, 12 is top connection under shed, 13 is top connection cylinder chamber, 14 is top connection barrel, 81 is lower contact upper shed, and 82 is lower contact under shed, and 83 is lower contact cylinder chamber, 84 is lower contact barrel, and 9 is cooling coil;
Fig. 5 is the schematic cross-section of fuel cell power generation body in the present invention, and wherein, 71 is anode of fuel cell current collector layer, and 72 is anode of fuel cell layer, and 73 is fuel cell electrolyte, and 74 is fuel battery negative pole, and 75 is fuel battery negative pole current collector layer.
Embodiment
Below by specific embodiment, technical scheme of the present invention is further described.
As depicted in figs. 1 and 2, a kind of tubular solid oxide fuel cell battery pack, wherein, 1 is the top connection of anode of fuel cell gas circuit, and 2 is cathode inlet pipe, 3 is negative electrode escape pipe, 4 is cathode shell, and 5 is cathode terminal, and 6 is anode terminal, 7 is fuel cell power generation body, and 8 is the lower contact of anode of fuel cell gas circuit.
A kind of tubular solid oxide fuel cell battery pack, comprise the top connection of anode of fuel cell gas circuit, cathode inlet pipe, negative electrode escape pipe, cathode shell, cathode terminal, anode terminal, fuel cell power generation body group and the lower contact of anode of fuel cell gas circuit, fuel cell power generation body group is provided with in cathode shell, fuel cell power generation body group is made up of fuel cell power generation body, the quantity of fuel cell power generation body is two, fuel cell power generation body is arranged along cathode shell even circumferential, the length of fuel cell power generation body is less than or equal to or is greater than the length of cathode shell, cathode inlet pipe and negative electrode escape pipe is provided with between cathode shell and fuel cell power generation body.
The set-up mode of cathode inlet pipe and negative electrode escape pipe comprises:
First kind of way: cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, the outer tip end of cathode shell is arranged on negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell, as shown in Figure 1;
The second way: cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell;
The third mode: cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, the outer tip end of cathode shell is arranged on negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell, as shown in Figure 2;
4th kind of mode: cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell.
Fuel cell power generation body group upper end is provided with the top connection of anode of fuel cell gas circuit, fuel cell power generation body group lower end is provided with the lower contact of anode of fuel cell gas circuit, the top connection of anode of fuel cell gas circuit adopts drum, cross section is in " convex " shape structure, the lower contact of anode of fuel cell gas circuit adopts drum, and cross section is in being inverted " convex " shape structure; The set-up mode of the top connection of anode of fuel cell gas circuit and the lower contact of anode of fuel cell gas circuit comprises:
First kind of way: the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, lower contact upper shed quantity is adopted to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination, as shown in Figure 2;
The second way: the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity is the top connection of 1, the diameter that the diameter of top connection under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group, adopt lower contact upper shed quantity to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination;
The third mode: the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, lower contact upper shed quantity is adopted to be 1 with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination, the diameter that the diameter of lower contact under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group, as shown in Figure 1.
Outside fuel cell power generation body, cathode shell touching position is provided with cathode terminal, cathode terminal one end is arranged on cathode shell inside, the cathode terminal other end is arranged on cathode shell outside, anode terminal is provided with inside fuel cell power generation body, anode terminal one end is arranged on fuel cell power generation tubular body, the anode terminal other end is arranged on fuel cell power generation body outside and passes the top connection of anode of fuel cell gas circuit, fuel cell power generation body is by anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer composition, anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer set gradually with concentric circular fashion from the inside to the outside, the overall cylindrical shape of fuel cell power generation body, anode of fuel cell current collector layer and fuel battery negative pole current collector layer adopt metal platinum or other metal or alloy material with high conductivity stable under fuel cell atmosphere.
At the interface of the interface of the top connection of anode of fuel cell gas circuit and fuel cell power generation body, the lower contact of anode of fuel cell gas circuit and fuel cell power generation body, groove or draw-in groove are set.
Cooling jacket is set in the top connection of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit top connection arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
Cooling jacket is set in the lower contact of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit lower contact arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
Cathode terminal and anode terminal adopt metal platinum.
Cathode shell, cathode inlet pipe, negative electrode escape pipe, the top connection of anode of fuel cell gas circuit, the lower contact of anode of fuel cell gas circuit adopt aluminium oxide, zirconia, mullite or cordierite.All parts of fuel cell battery group are bonding integral by refractory ceramics sealant sealing.
A kind of preparation method of tubular solid oxide fuel cell battery pack, sinter bonding with cathode cavity of fuel cell power generation body refractory ceramics glue seals, and draw cathode terminal and anode terminal, fuel cell power generation body lower end refractory ceramics glue seals bonding sintering with the lower contact of anode of fuel cell gas circuit, fuel cell power generation body upper end refractory ceramics glue seals bonding sintering with the top connection of anode of fuel cell gas circuit, the top connection of anode of fuel cell gas circuit, fuel cell power generation body and the lower contact of anode of fuel cell gas circuit constitute anode cavity, and anode terminal is drawn, the under shed of anode of fuel cell gas circuit lower contact is as anode inlet, the upper shed of anode of fuel cell gas circuit top connection is as anode gas outlet, cathode shell, cathode inlet pipe and the bonding sintering of negative electrode escape pipe refractory ceramics sealant sealing, obtain cathode cavity, fuel battery negative pole cavity and anode cavity seal the tubular solid oxide fuel cell battery pack that bonding sintering obtains being sintered into one.
Tubular solid oxide fuel cell battery pack is by designed multiple fuel cell components, adopts refractory ceramics sealant sealing, bonding, sintering forms.
Obtain all parts of Solid Oxide Fuel Cell battery pack respectively, then carry out bonding sintering.
Fuel battery negative pole shell, cathode inlet pipe and negative electrode escape pipe are pressed shown in Fig. 1 and are used the bonding sintering of refractory ceramics sealant sealing, obtain cathode cavity.
Sinter bonding with cathode cavity of fuel cell power generation body refractory ceramics glue seals, and draws cathode terminal and anode terminal.
Fuel cell two ends seal with sinter bonding with the top connection of anode of fuel cell gas circuit and the top connection of anode of fuel cell gas circuit of refractory ceramics glue respectively, form the anode cavity of sealing, and are drawn by anode terminal.
In whole fuel cell unit manufacture process, a ring of most critical is that the parts of all fuel cell units to be all bondingly sintered into one by the sealing of refractory ceramics glue, is formed with the cathode cavity into and out of the sealing of gas circuit and anode cavity respectively.
Above to invention has been detailed description, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (10)
1. a tubular solid oxide fuel cell battery pack, it is characterized in that: comprise the top connection of anode of fuel cell gas circuit, cathode inlet pipe, negative electrode escape pipe, cathode shell, cathode terminal, anode terminal, fuel cell power generation body group and the lower contact of anode of fuel cell gas circuit, fuel cell power generation body group is provided with in cathode shell, fuel cell power generation body group is made up of fuel cell power generation body, the quantity of fuel cell power generation body is more than or equal to two, fuel cell power generation body is arranged along cathode shell even circumferential, the length of fuel cell power generation body is less than or equal to or is greater than the length of cathode shell, cathode inlet pipe and negative electrode escape pipe is provided with between cathode shell and fuel cell power generation body, cathode inlet pipe one end is arranged on the outer tip end of cathode shell or the external bottom end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, negative electrode escape pipe one end is arranged on the outer tip end of cathode shell or the external bottom end of cathode shell, near the inner tip that the negative electrode escape pipe other end extend into cathode shell or near the inner bottom of cathode shell, fuel cell power generation body group upper end is provided with the top connection of anode of fuel cell gas circuit, fuel cell power generation body group lower end is provided with the lower contact of anode of fuel cell gas circuit, outside fuel cell power generation body, cathode shell touching position is provided with cathode terminal, cathode terminal one end is arranged on cathode shell inside, the cathode terminal other end is arranged on cathode shell outside, anode terminal is provided with inside fuel cell power generation body, anode terminal one end is arranged on fuel cell power generation tubular body, the anode terminal other end is arranged on fuel cell power generation body outside and passes the top connection of anode of fuel cell gas circuit, fuel cell power generation body is by anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer composition, anode of fuel cell current collector layer, anode of fuel cell layer, fuel cell electrolyte, fuel battery negative pole and fuel battery negative pole current collector layer set gradually with concentric circular fashion from the inside to the outside, the overall cylindrical shape of fuel cell power generation body, the top connection of anode of fuel cell gas circuit adopts drum, cross section is in " convex " shape structure, the quantity of top connection upper shed is 1, the quantity of quantity or top connection under shed that the quantity of top connection under shed equals fuel cell power generation body is 1, the lower contact of anode of fuel cell gas circuit adopts drum, cross section is in being inverted " convex " shape structure, the quantity of lower contact upper shed be 1 or the quantity of lower contact upper shed equal the quantity of fuel cell power generation body, the quantity of lower contact under shed is 1.
2. a kind of tubular solid oxide fuel cell battery pack according to claim 1, it is characterized in that: the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, adopt lower contact upper shed quantity to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination; Or the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity is the top connection of 1, the diameter that the diameter of top connection under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group, adopt lower contact upper shed quantity to equal the quantity of fuel cell power generation body with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination; Or the top connection of anode of fuel cell gas circuit adopts top connection upper shed quantity to be 1, top connection under shed quantity equals the top connection of the quantity of fuel cell power generation body, lower contact upper shed quantity is adopted to be 1 with the lower contact of anode of fuel cell gas circuit, the lower contact of lower contact under shed quantity 1 is used in combination, and the diameter that the diameter of lower contact under shed is less than cathode shell is greater than the diameter of fuel cell power generation body group.
3. according to the arbitrary described a kind of tubular solid oxide fuel cell battery pack of claim 1 or 2, it is characterized in that: cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, be arranged on the outer tip end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the outer tip end of cathode shell, the cathode inlet pipe other end extend near the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, be arranged on the outer tip end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner tip that the negative electrode escape pipe other end extend into cathode shell; Or cathode inlet pipe one end is arranged on the external bottom end of cathode shell, the cathode inlet pipe other end extend into the inner bottom of cathode shell, be arranged on the external bottom end of cathode shell with negative electrode escape pipe one end, be used in combination near the inner bottom that the negative electrode escape pipe other end extend into cathode shell.
4. a kind of tubular solid oxide fuel cell battery pack according to claim 3, is characterized in that: arrange groove or draw-in groove at the interface of the interface of the top connection of anode of fuel cell gas circuit and fuel cell power generation body, the lower contact of anode of fuel cell gas circuit and fuel cell power generation body.
5. a kind of tubular solid oxide fuel cell battery pack according to claim 3, is characterized in that: arrange cooling jacket in the top connection of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit top connection arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
6. a kind of tubular solid oxide fuel cell battery pack according to claim 5, is characterized in that: arrange cooling jacket in the lower contact of anode of fuel cell gas circuit, cooling jacket is provided with cooling medium inlet and coolant outlet; Or at anode of fuel cell gas circuit lower contact arranged outside cooling coil, and cooling medium inlet and coolant outlet are set.
7. a kind of tubular solid oxide fuel cell battery pack according to claim 3, is characterized in that: cathode terminal and anode terminal adopt metal platinum.
8. a kind of tubular solid oxide fuel cell battery pack according to claim 3, is characterized in that: cathode shell, cathode inlet pipe, negative electrode escape pipe, the top connection of anode of fuel cell gas circuit, the lower contact of anode of fuel cell gas circuit adopt aluminium oxide, zirconia, mullite or cordierite.
9. a kind of tubular solid oxide fuel cell battery pack according to claim 3, is characterized in that: anode of fuel cell current collector layer and fuel battery negative pole current collector layer adopt metal platinum.
10. the preparation method of a tubular solid oxide fuel cell battery pack, it is characterized in that: sinter bonding with cathode cavity of fuel cell power generation body refractory ceramics glue seals, and draw cathode terminal and anode terminal, fuel cell power generation body lower end refractory ceramics glue seals bonding sintering with the lower contact of anode of fuel cell gas circuit, fuel cell power generation body upper end refractory ceramics glue seals bonding sintering with the top connection of anode of fuel cell gas circuit, the top connection of anode of fuel cell gas circuit, fuel cell power generation body and the lower contact of anode of fuel cell gas circuit constitute anode cavity, and anode terminal is drawn, the under shed of anode of fuel cell gas circuit lower contact is as anode inlet, the upper shed of anode of fuel cell gas circuit top connection is as anode gas outlet, cathode shell, cathode inlet pipe and the bonding sintering of negative electrode escape pipe refractory ceramics sealant sealing, obtain cathode cavity, fuel battery negative pole cavity and anode cavity seal the tubular solid oxide fuel cell battery pack that bonding sintering obtains being sintered into one.
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| CN201510724679.3A CN105226315B (en) | 2015-10-29 | 2015-10-29 | A kind of tubular solid oxide fuel cell battery pack and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106816618A (en) * | 2017-02-11 | 2017-06-09 | 佛山索弗克氢能源有限公司 | Tubular type fuel cell |
| CN109411778A (en) * | 2018-10-29 | 2019-03-01 | 深圳市致远动力科技有限公司 | A kind of preparation process of solid oxide fuel cell stack |
| CN113820606A (en) * | 2021-10-19 | 2021-12-21 | 济南大学 | Solid oxide battery performance testing device |
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| CN109057922A (en) * | 2018-08-10 | 2018-12-21 | 武汉理工大学 | A kind of vehicle exhaust NO based on electrolytic tank of solid oxidexDecomposer |
| CN113451608B (en) * | 2020-03-24 | 2022-04-01 | 苏州国绿新材料科技有限公司 | Solid oxide fuel cell |
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| CN113820606A (en) * | 2021-10-19 | 2021-12-21 | 济南大学 | Solid oxide battery performance testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105226315B (en) | 2017-08-25 |
| CN106887621A (en) | 2017-06-23 |
| CN106887621B (en) | 2019-05-31 |
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