CN102157746B - Jet air supply type single-chamber solid oxide fuel cell stack - Google Patents
Jet air supply type single-chamber solid oxide fuel cell stack Download PDFInfo
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- CN102157746B CN102157746B CN2011100574661A CN201110057466A CN102157746B CN 102157746 B CN102157746 B CN 102157746B CN 2011100574661 A CN2011100574661 A CN 2011100574661A CN 201110057466 A CN201110057466 A CN 201110057466A CN 102157746 B CN102157746 B CN 102157746B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
A jet air supply type single-chamber solid oxide fuel cell stack belongs to the electrochemical power generation field, solves problem that performances of all parts of the cell are influenced because a connector in the traditional single-chamber solid oxide fuel cell stack blocks a reaction gas from diffusing to a reaction area on the surface of an electrode. The first scheme is as follows: a first vent pipe and a second vent pipe are penetrated side by side though an insulating supporter, a cell stack is arranged on the insulating supporter and positioned between the first vent pipe and the second vent pipe, monocells are connected by conductive connectors, the first vent pipe is provided with a first vent hole, and the second vent pipe is provided with a second vent hole. The second scheme is as follows: a reaction gas conveying pipe is penetrated through the insulating supporter; two sides of the reaction gas conveying pipe are respectively provided with a plurality of conveying holes which are arranged in a stagger manner, a monocell is an electrode coplanar cell supported by electrolyte, and a plurality of monocells are arranged at two sides of the reaction gas conveying pipes. The invention is applied in power generation.
Description
Technical field
The present invention relates to a kind of single-air-chamber solid oxide fuel battery group, belong to the electrochemistry power field.
Background technology
SOFC (SOFC) is a kind of TRT that can directly convert the chemical energy of fuel into electric energy, has advantages such as efficient, cleaning and fuel source be extensive, is considered to one of main direction that new forms of energy from now on use.Monocell mainly is made up of electrolyte, negative electrode and anode.Because the output of the voltage and current value of monocell is limited, seek out higher output voltage and output current to reach practical value, need monocell be connected into battery pack.The SOFC of traditional double air chamber structure has two air chambers, is fuel gas in the anode gas chamber wherein, is oxygen (or air) in the cathode air chamber, and two air chambers are separated by electrolyte.For fear of the leakage of fuel and with the mixing of oxygen, require electrolyte fine and close relatively airtight, and boundary also must seal with seal, sealing materials.When constituting battery pack, need a lot of air chambers and each air chamber to feed reacting gas separately, make the structure of system become very complicated, increased manufacture difficulty greatly.And encapsulant exists and battery component between problems such as coupling, the seal process of a plurality of air chambers is complicated, therefore two air chamber SOFC battery pack are very high to the requirement of material and manufacture craft.
Single-air-chamber solid oxide fuel battery (SC-SOFC) is that the negative electrode of battery and anode are positioned in the same reaction air chamber; Reaction air chamber the inside feeds the mist that comprises fuel and oxygen, utilizes negative electrode and anode that the electromotive force that mixed atmosphere selectivity catalysis difference is produced is carried out work.The single-air-chamber solid oxide fuel battery outstanding feature is that entire cell all is under fuel and the Air mixing atmosphere, therefore compare with traditional SOFC, SC-SOFC have the sealing of need not, simple in structure, warm start is fast, and is convenient to advantage such as assembled battery group.For this type of SOFC, the patent No. is that the Chinese invention patent " a kind of single-air-chamber solid oxide fuel battery series battery " of ZL200610009799.6 adopts a plurality of monocells formation battery pack that stacks successively, connects.Battery pack is to extend in one direction, and slowly mobile along the direction vertical with electrode surface round the main line air-flow of battery pack, reacting gas is again along being diffused into battery surface perpendicular to the main line airflow direction.This distribution of gas that designs in the whole space is inhomogeneous; Because along with electrochemical reaction, fuel meat oxidation reaction and the fuel gas of battery and constantly carrying out of the direct reaction of oxygen; The work atmosphere of the front-end and back-end battery of battery pack differs greatly, and the output performance of battery pack is had very big influence, and this makes that the number of cell stacks can not be too many; Thereby being unfavorable for the amplification of battery pack, its space availability ratio is not high yet.The patent No. is that the Chinese invention patent " array type single-air chamber solid oxide fuel battery pack module " of ZL200810064668.7 has then proposed a kind of battery pack that a plurality of monocells are arranged according to array; This project organization is compact; Space availability ratio is higher, but the real gas flow field of battery pack is complicated, and reacting gas is difficult to arrive equably the negative electrode and the anode of each monocell; Cause the part battery performance to be affected, and then reduce the output voltage and the power output of battery pack.Application number is that 201010261152.9 Chinese invention patent " the non-sealing solid oxide fuel battery group with double gas channels " adopts two breather pipes to carry rich fuel gas and oxygen rich gas respectively; The blow vent that rich fuel breather pipe and oxygen enrichment breather pipe are evenly distributed disperses gas; Make the reacting gas that arrives each monocell more even; But owing to use sheet metal with holes as brace; The brace that contacts with the electrode surface occurrence of large-area has stopped the reaction zone diffusion of reacting gas to electrode surface, is unfavorable for the performance of battery performance and making full use of of fuel.In addition, be bent into the existence of the metal connecting sheet of Z-shaped or V-arrangement, also can influence near flow rate and the flow direction of reacting gas electrode, also can make the performance at each position of battery receive influence in various degree.
Summary of the invention
The objective of the invention is to have stopped the reaction zone diffusion of reacting gas to electrode surface in order to solve brace in the existing single-air-chamber solid oxide fuel battery group; Be unfavorable for the performance of battery performance and making full use of of fuel; Influence near flow rate and the flow direction of reacting gas electrode; Make and the affected problem of performance at each position of battery a kind of jet Gas feeding single-air-chamber solid oxide fuel battery group is provided.
Technical scheme one of the present invention is: jet Gas feeding single-air-chamber solid oxide fuel battery group comprises anode tap, cathode leg, first breather pipe, second breather pipe and a plurality of monocell; Said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body and a plurality of conduction connector; Said first breather pipe and second breather pipe are located on the insulation support body relatively side by side; Have a plurality of location notchs on the said insulation support body; A plurality of location notchs are equidistant from top to bottom arranges; And a plurality of location notchs are provided with a monocell in each location notch between first breather pipe and second breather pipe, connect and compose battery pack through conduction connector between two adjacent monocells; Have a plurality of first air vent holes on the sidewall of first breather pipe; Big equidistant arranging such as a plurality of first air vent holes has a plurality of second air vent holes on second breather pipe sidewall relative with first breather pipe, and a plurality of second air vent holes etc. are equidistant arranging greatly; And the porous anode of each monocell is corresponding with one or more first air vent holes; The porous cathode of each monocell is corresponding with one or more second air vent holes, and the anode of said battery pack is drawn through anode tap, and the negative electrode of said battery pack is drawn through cathode leg; Feed fuel, fuel and the mist of diluent gas composition or the mist of fuel, oxygen and diluent gas in first breather pipe; The mist that aerating oxygen in second breather pipe, oxygen and diluent gas are formed or the mist of fuel, oxygen and diluent gas, the Surface Vertical of the cut direction of first air vent hole and the porous anode of monocell, the gas that is sprayed by first air vent hole vertically is injected on the surface of porous anode of monocell; The Surface Vertical of the cut direction of second air vent hole and the porous cathode of monocell vertically is injected in by the gas of second air vent hole ejection on the surface of porous cathode of monocell; Described monocell is made up of porous anode, dielectric substrate and three parts of porous cathode, and porous anode and porous cathode branch are listed on the upper surface and lower surface of dielectric substrate.
Technical scheme two of the present invention is: jet Gas feeding single-air-chamber solid oxide fuel battery group comprises anode tap, cathode leg and a plurality of monocell; Said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body, reacting gas feed tube and a plurality of conduction connector; Said reacting gas feed tube is located on the insulation support body; The both sides of reacting gas feed tube respectively have big delivery port such as a plurality of grades, and the delivery port of reacting gas feed tube both sides dislocation arranges, and the delivery port of reacting gas feed tube homonymy is equidistant from top to bottom arranges; Have a plurality of location notchs on the said insulation support body; Each location notch is all corresponding with a delivery port, is provided with a monocell in each location notch, and a plurality of monocells connect and compose battery pack through a plurality of conduction connectors; Said monocell is the electrode coplane battery of electrolyte-supported; The electrode coplane battery of electrolyte-supported is made up of porous anode, dielectric substrate and three parts of porous cathode, and all on the same side end face of dielectric substrate, the anode of said battery pack is drawn through anode tap for porous anode and porous cathode; The negative electrode of said battery pack is drawn through cathode leg; Feed the mist of fuel, oxygen and diluent gas in the reacting gas feed tube, the Surface Vertical of the cut direction of delivery port and the porous anode of monocell and porous cathode vertically is injected in by the gas of delivery port ejection on the surface of porous anode and porous cathode of monocell.
The present invention compared with prior art has following beneficial effect: jet Gas feeding single-air-chamber solid oxide fuel battery group of the present invention is in the reacting gas of uniformity each monocell; Eliminated the difference of gas component between each battery; The electrode surface that the while reacting gas is directly injected to monocell helps reacting gas fully to contact with electrode surface, is beneficial to the raising of fuel availability.
Description of drawings
Fig. 1 is the structural representation of jet Gas feeding single-air-chamber solid oxide fuel battery group of the present invention; Fig. 2 is the structural representation of insulation support body 4; Fig. 3 is an anode support type single-cell structure sketch map; Fig. 4 is an electrolyte-supporting type electrode antarafacial single-cell structure sketch map; Fig. 5 is a cathode support type single-cell structure sketch map; Fig. 6 is that the cross section is the structural representation of the monocell of circle; Fig. 7 is that the cross section is the structural representation of foursquare monocell; Fig. 8 is that the cross section is the structural representation of rectangular monocell; Fig. 9 is that the cross section is the structural representation of trapezoidal monocell; Figure 10 is the structural representations of embodiment eight middle sections for the first circular breather pipe 2, and Figure 11 is that embodiment eight middle sections are the structural representation of foursquare first breather pipe 2, and Figure 12 is that embodiment eight middle sections are the structural representation of rectangular first breather pipe 2; Figure 13 is the structural representations of embodiment eight middle sections for the second circular breather pipe 3; Figure 14 is that embodiment eight middle sections are the structural representation of foursquare second breather pipe 3, and Figure 15 is that embodiment eight middle sections are the structural representation of rectangular second breather pipe 3, and Figure 16 is that the first air vent hole 2-1 is first breather pipe, 2 structural representations of rectangle in the embodiment nine; Figure 17 is that the first air vent hole 2-1 is leg-of-mutton first breather pipe, 2 structural representations in the embodiment nine; Figure 18 is that the second air vent hole 3-1 is second breather pipe, 3 structural representations of rectangle in the embodiment nine, and Figure 19 is that the second air vent hole 3-1 is leg-of-mutton second breather pipe, 3 structural representations in the embodiment nine, and Figure 20 is that the position between monocell 1 and the insulation support body 4 concerns end view in the embodiment ten; Figure 21 is that monocell 1 and the position between the insulation support body 4 in the embodiment ten concerns sectional view; Figure 22 is that the shape of the first air vent hole 2-1 and the second air vent hole 3-1 in the embodiment nine concerns sketch map in the position of first breather pipe 2 and second breather pipe 3 during also for the circular hole of drill, and Figure 23 is the electrode coplane battery vertical view of electrolyte-supported in the embodiment 11, and Figure 24 is the upward view of Figure 23; Figure 25 is the structural representation of jet Gas feeding single-air-chamber solid oxide fuel battery group in the embodiment 11; Figure 26 is the structure chart of the insulation support body 4 of jet Gas feeding single-air-chamber solid oxide fuel battery group in the embodiment 11, and Figure 27 is embodiment 16 described output characteristic curve figure of the present invention (
is discharge characteristic curve among the figure, and
is the characteristics of output power curve).
Embodiment
Embodiment one: combine Fig. 1 to Fig. 5 that this execution mode is described; The jet Gas feeding single-air-chamber solid oxide fuel battery group of this execution mode comprises anode tap 5, cathode leg 6, first breather pipe 2, second breather pipe 3 and a plurality of monocell 1; Said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body 4 and a plurality of conduction connectors 7; Said first breather pipe 2 and second breather pipe 3 are located on the insulation support body 4 relatively side by side; Have a plurality of location notch 4-1 on the said insulation support body 4; A plurality of location notch 4-1 are equidistant from top to bottom to arrange; And a plurality of location notch 4-1 are provided with a monocell 1 in each location notch 4-1 between first breather pipe 2 and second breather pipe 3, connect and compose battery pack through conduction connector 7 between two adjacent monocells 1; Have a plurality of first air vent hole 2-1 on the sidewall of first breather pipe 2; Big equidistant arranging such as a plurality of first air vent hole 2-1 has a plurality of second air vent hole 3-1 on second breather pipe 3 sidewall relative with first breather pipe 2, and a plurality of second air vent hole 3-1 etc. are equidistant arranging greatly; And the porous anode 1-1 of each monocell 1 is corresponding with one or more first air vent hole 2-1; The porous cathode 1-3 of each monocell 1 is corresponding with one or more second air vent hole 3-1, and the anode of said battery pack is drawn through anode tap 5, and the negative electrode of said battery pack is drawn through cathode leg 6; Feed fuel, fuel and the mist of diluent gas composition or the mist of fuel, oxygen and diluent gas in first breather pipe 2; The mist that aerating oxygen in second breather pipe 3, oxygen and diluent gas are formed or the mist of fuel, oxygen and diluent gas, the Surface Vertical of the porous anode 1-1 of the cut direction of the first air vent hole 2-1 and monocell 1, the gas that is sprayed by the first air vent hole 2-1 vertically is injected on the surface of porous anode 1-1 of monocell 1; The Surface Vertical of the porous cathode 1-3 of the cut direction of the second air vent hole 3-1 and monocell 1 vertically is injected in by the gas of second air vent hole 3-1 ejection on the surface of porous cathode 1-3 of monocell 1.
The described monocell 1 of this execution mode is made up of porous anode 1-1, dielectric substrate 1-2 and three parts of porous cathode 1-3, and porous anode 1-1 and porous cathode 1-3 branch are listed on the upper surface and lower surface of dielectric substrate 1-2.Link to each other with conduction connector 7 between each monocell 1, be assembled into the battery assembly module that a row has double gas channels.Pass to the reacting gas of certain flow in first breather pipe 2 and second breather pipe 3 respectively; Directly arrive at the respective electrode of monocell 1 from the gas of each first air vent hole 2-1 and second air vent hole 3-1 ejection; The first air vent hole 2-1 is sprayed onto reacting gas on the porous anode 1-1 surface of each monocell 1; The second air vent hole 3-1 is sprayed onto reacting gas on the porous cathode 1-3 surface of each monocell 1; This just makes that the flow rate of reactive gas and the component that arrive each monocell 1 electrode surface are consistent, and makes each monocell 1 with identical state generation electrochemical reaction.The output current of battery pack is drawn through anode tap 5 and cathode leg 6.
Embodiment two: combine Fig. 3 to Fig. 5 that this execution mode is described, the monocell 1 of this execution mode is anode support type fuel cell, electrolyte-supporting type fuel cell or cathode support type fuel cell.Other composition and annexation are identical with execution mode one.
Embodiment three: combine Fig. 6 to Fig. 9 that this execution mode is described, the shape of cross section of the monocell 1 of this execution mode is circular, square, rectangle or trapezoidal.Other composition and annexation are identical with execution mode one or two.
Embodiment four: combine Fig. 1, Fig. 3 to Fig. 5 that this execution mode is described; This execution mode is with execution mode one, two or three difference: the material of the porous anode 1-1 of monocell 1 is: one or more in the oxide of nickel, cobalt and iron magnesium-yttrium-transition metal mix; Mix the elemental metals that forms through sintering and reduction back and the composite material of oxide ceramics composition again with doped zirconia or doped cerium oxide and pore creating material;
Or, comprise the composite oxide material and the pore creating material composite material mixed of two or more compositions in La, Sr, Ba, Ca, Cr, Ti, Mg, Mo, Fe and the Mn metallic element for fuel being had the oxide material of selecting catalytic action;
The material of the dielectric substrate 1-2 of monocell 1 is: the solid electrolyte of doped zirconia, doped cerium oxide or doped lanthanum gallate;
The material of the porous cathode 1-3 of said monocell 1 is: have ABO
3Or A
2BO
4The composite oxide material of general formula perhaps has ABO
3Or A
2BO
4The composite cathode material that the composite oxide material of general formula and electrolyte are formed; Wherein O is an oxygen element, and wherein the A position is made up of one or more lanthanide rares, alkaline earth element, and said lanthanide rare comprises La, Y, Pr, Nd, Sm, Eu and Gd, and alkaline earth element comprises Ca, Sr and Ba; The B position is one or more transition metals, comprises Mn, Fe, Co, Ni, Cu, Ti, V and Zn.
Embodiment five: combine Fig. 1 that this execution mode is described; This execution mode is with embodiment one, two, three or four difference: conduction connector 7 is conductive metallic material, electrical conductivity alloy, the oxide conducting ceramic material of high temperature resistant resistance to oxidation reduction or the metal material that has oxide coating, and conduction connector 7 is bonding jumper band shape or wire netting trellis.
Conductive metallic material such as gold, silver, platinum or the stainless steel of the high temperature resistant resistance to oxidation reduction in this execution mode; Oxide conducting ceramic material such as chromic acid lanthanum.
Embodiment six: combine Fig. 1 that this execution mode is described, this execution mode is with embodiment one, two, three, four or five difference: realization was electrically connected when the mode of employing conducting resinl bonding, Diffusion Welding or sintering realized mechanical connection between conduction connector 7 and the monocell 1.
Embodiment seven: combine Fig. 1 that this execution mode is described, this execution mode is with embodiment one, two, three, four, five or six difference: the material of first breather pipe 2 and second breather pipe 3 is pottery, quartz glass or refractory metal.
The chemical stability of the pottery in this execution mode, quartz glass or refractory metal is good.Refractory metal in this execution mode is for example: stainless steel.
Embodiment eight: combine Figure 10 to Figure 15 that this execution mode is described, this execution mode is with embodiment one, two, three, four, five, six or seven difference: the shape of cross section of first breather pipe 2 and second breather pipe 3 is circle, square or rectangle.
Embodiment nine: combine Figure 16 to Figure 19 that this execution mode is described, this execution mode is with embodiment one, two, three, four, five, six, seven or eight difference: the shape of the first air vent hole 2-1 and the second air vent hole 3-1 is rectangle or triangle.
First air vent hole 2-1 in this execution mode and the shape of the second air vent hole 3-1 can also be the circular hole (referring to Figure 22) of drill.
Embodiment ten: combine Fig. 1 and Fig. 2 that this execution mode is described, this execution mode is with execution mode one, two, three, four, five, six, seven, eight or nine differences: the material of insulation support body 4 adopts the material that heat conduction is fast, high temperature resistant and compression strength is high.Like ceramic material or micarex etc., possesses lower thermal coefficient of expansion simultaneously, good thermal stability, good thermal-shock resistance.For example: monocell 1 is embedded in the micarex, utilizes micarex that the atmosphere of porous anode 1-1 and porous cathode 1-3 is kept apart (referring to Figure 20 and Figure 21) to a certain extent.
Embodiment 11: combine Figure 23 to Figure 26 that this execution mode is described; The jet Gas feeding single-air-chamber solid oxide fuel battery group of this execution mode comprises anode tap 5, cathode leg 6 and a plurality of monocell 1; Said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body 4, reacting gas feed tube 8 and a plurality of conduction connector 7; Said reacting gas feed tube 8 is located on the insulation support body 4; The both sides of reacting gas feed tube 8 respectively have big delivery port 8-1 such as a plurality of grades, and the delivery port 8-1 of reacting gas feed tube 8 both sides dislocation arranges, and the delivery port 8-1 of reacting gas feed tube 8 homonymies is equidistant from top to bottom to arrange; Have a plurality of location notch 4-1 on the said insulation support body 4; Each location notch 4-1 is all corresponding with a delivery port 8-1, is provided with a monocell 1 in each location notch 4-1, and a plurality of monocells 1 connect and compose battery pack through a plurality of conduction connectors 7; The electrode coplane battery that said monocell 1 is an electrolyte-supported; The electrode coplane battery of electrolyte-supported is made up of porous anode 1-1, dielectric substrate 1-2 and three parts of porous cathode 1-3, and all on the same side end face of dielectric substrate 1-2, the anode of said battery pack is drawn through anode tap 5 for porous anode 1-1 and porous cathode 1-3; The negative electrode of said battery pack is drawn through cathode leg 6; Feed the mist of fuel, oxygen and diluent gas in the reacting gas feed tube 8, the porous anode 1-1 of the cut direction of delivery port 8-1 and monocell 1 and the Surface Vertical of porous cathode 1-3 vertically are injected in by the gas of delivery port 8-1 ejection on the surface of porous anode 1-1 and porous cathode 1-3 of monocell 1.
Embodiment 12: combine Figure 25 that this execution mode is described; This execution mode is with the difference of embodiment 11: conduction connector 7 is conductive metallic material, electrical conductivity alloy, the oxide conducting ceramic material of high temperature resistant resistance to oxidation reduction or the metal material that has oxide coating, and conduction connector 7 is bonding jumper band shape or wire netting trellis.
Conductive metallic material such as gold, silver, platinum or the stainless steel of the high temperature resistant resistance to oxidation reduction in this execution mode; Oxide conducting ceramic material such as chromic acid lanthanum.
Embodiment 13: combine Figure 25 that this execution mode is described, this execution mode is with the difference of embodiment 11 or 12: realization was electrically connected when the mode of employing conducting resinl bonding, Diffusion Welding or sintering realized mechanical connection between conduction connector 7 and the monocell 1.
Embodiment 14: combine Figure 25 that this execution mode is described, this execution mode is with the difference of embodiment 11,12 or 13: the material of reacting gas feed tube 8 is pottery, quartz glass or refractory metal.
The chemical stability of the pottery in this execution mode, quartz glass or refractory metal is good.Refractory metal in this execution mode is for example: stainless steel.
Embodiment 15: combine Figure 25 and Figure 26 that this execution mode is described, this execution mode is with the difference of execution mode 11,12,13 or 14: the material of insulation support body 4 adopts the material that heat conduction is fast, high temperature resistant and compression strength is high.Like ceramic material or micarex etc., possesses lower thermal coefficient of expansion simultaneously, good thermal stability, good thermal-shock resistance.
Embodiment 16: below in conjunction with Figure 27 this execution mode is described, shown in Figure 27 is the output characteristic of using the battery pack of 2 anode support type monocells, 1 series connection formation.Each monocell 1 in the battery pack adopts execution mode one described structural arrangement.Wherein monocell 1 is a Ni+YSZ anode-supported YSZ hull cell, uses the LSM+SDC composite cathode.The effective area of each monocell 1 is 1.2 square centimeters.Concrete work atmosphere: the nitrogen flow of porous anode 1-1 one side is 150 ml/min, and methane flow is 120 ml/min; The nitrogen flow of porous cathode one side is 0 ml/min, and oxygen flow is 80 ml/min.As can be seen from the figure the open circuit voltage of battery pack is 2.1V, and peak power output is 1.12W, and the pairing fuel availability of battery pack maximum power is about 3.2%, shows good application prospects.
The present invention is not limited to above-mentioned execution mode, can also be the reasonable combination of technical characterictic described in above-mentioned each execution mode.
Claims (8)
1. jet Gas feeding single-air-chamber solid oxide fuel battery group; It comprises anode tap (5), cathode leg (6), first breather pipe (2), second breather pipe (3) and a plurality of monocell (1); It is characterized in that: said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body (4) and a plurality of conduction connector (7); Said first breather pipe (2) and second breather pipe (3) are located on the insulation support body (4) relatively side by side; Have a plurality of location notchs (4-1) on the said insulation support body (4); A plurality of location notchs (4-1) are equidistant from top to bottom arranges; And a plurality of location notchs (4-1) are positioned between first breather pipe (2) and second breather pipe (3); Be provided with a monocell (1) in each location notch (4-1); Connect and compose battery pack through conduction connector (7) between adjacent two monocells (1); Have a plurality of first air vent holes (2-1) on the sidewall of first breather pipe (2); Big equidistant arranging such as a plurality of first air vent holes (2-1) has a plurality of second air vent holes (3-1) on second breather pipe (3) sidewall relative with first breather pipe (2), and a plurality of second air vent holes (3-1) etc. are equidistant arranging greatly; And the porous anode (1-1) of each monocell (1) is corresponding with one or more first air vent holes (2-1); The porous cathode (1-3) of each monocell (1) is corresponding with one or more second air vent holes (3-1), and the anode of said battery pack is drawn through anode tap (5), and the negative electrode of said battery pack is drawn through cathode leg (6); Feed fuel, fuel and the mist of diluent gas composition or the mist of fuel, oxygen and diluent gas in first breather pipe (2); The mist that aerating oxygen, oxygen and diluent gas are formed in second breather pipe (3) or the mist of fuel, oxygen and diluent gas, the Surface Vertical of the porous anode (1-1) of the cut direction of first air vent hole (2-1) and monocell (1), the gas that is sprayed by first air vent hole (2-1) vertically is injected on the surface of porous anode (1-1) of monocell (1); The Surface Vertical of the porous cathode (1-3) of the cut direction of second air vent hole (3-1) and monocell (1) vertically is injected in by the gas of second air vent hole (3-1) ejection on the surface of porous cathode (1-3) of monocell (1); Described monocell (1) is made up of porous anode (1-1), dielectric substrate (1-2) and three parts of porous cathode (1-3); Porous anode (1-1) and porous cathode (1-3) branch are listed on the upper surface and lower surface of dielectric substrate (1-2); Wherein, Conduction connector (7) is conductive metallic material, electrical conductivity alloy, the oxide conducting ceramic material of high temperature resistant resistance to oxidation reduction or the metal material that has oxide coating; And conduction connector (7) is bonding jumper band shape or wire netting trellis, realizes being electrically connected when adopting the mode of conducting resinl bonding, Diffusion Welding or sintering to realize mechanical connection between conduction connector (7) and the monocell (1).
2. jet Gas feeding single-air-chamber solid oxide fuel battery group according to claim 1 is characterized in that: monocell (1) is anode support type fuel cell, electrolyte-supporting type fuel cell or cathode support type fuel cell; The shape of cross section of monocell (1) is circular, square, rectangle or trapezoidal.
3. jet Gas feeding single-air-chamber solid oxide fuel battery group according to claim 1 and 2; It is characterized in that: the material of the porous anode (1-1) of monocell (1) is: one or more in the oxide of nickel, cobalt and iron magnesium-yttrium-transition metal mix; Mix the elemental metals that forms through sintering and reduction back and the composite material of oxide ceramics composition again with doped zirconia or doped cerium oxide and pore creating material;
Or be composite oxide material and the pore creating material composite material mixed that comprises the multiple composition in La, Sr, Ba, Ca, Cr, Ti, Mg, Mo, Fe and the Mn metallic element;
The material of the dielectric substrate (1-2) of monocell (1) is: the solid electrolyte of doped zirconia, doped cerium oxide or doped lanthanum gallate;
The material of the porous cathode (1-3) of said monocell (1) is: have ABO
3Or A
2BO
4The composite oxide material of general formula perhaps has ABO
3Or A
2BO
4The composite cathode material that the composite oxide material of general formula and electrolyte are formed; Wherein O is an oxygen element, and wherein the A position is made up of one or more lanthanide rares, alkaline earth element, and said lanthanide rare comprises La, Y, Pr, Nd, Sm, Eu and Gd, and alkaline earth element comprises Ca, Sr and Ba; The B position is one or more transition metals, comprises Mn, Fe, Co, Ni, Cu, Ti, V and Zn.
4. jet Gas feeding single-air-chamber solid oxide fuel battery group according to claim 1 is characterized in that: the material of first breather pipe (2) and second breather pipe (3) is pottery, quartz glass or stainless steel.
5. jet Gas feeding single-air-chamber solid oxide fuel battery group according to claim 4 is characterized in that: the shape of cross section of first breather pipe (2) and second breather pipe (3) is circle, square or rectangle.
6. jet Gas feeding single-air-chamber solid oxide fuel battery group according to claim 5 is characterized in that: the shape of first air vent hole (2-1) and second air vent hole (3-1) is rectangle or triangle.
7. according to claim 1,2,5 or 6 described jet Gas feeding single-air-chamber solid oxide fuel battery groups, it is characterized in that: the material of insulation support body (4) adopts the material that heat conduction is fast, high temperature resistant and compression strength is high.
8. jet Gas feeding single-air-chamber solid oxide fuel battery group; It comprises anode tap (5), cathode leg (6) and a plurality of monocell (1); It is characterized in that: said jet Gas feeding single-air-chamber solid oxide fuel battery group also comprises insulation support body (4), reacting gas feed tube (8) and a plurality of conduction connector (7); Said reacting gas feed tube (8) is located on the insulation support body (4); The both sides of reacting gas feed tube (8) respectively have big delivery port (8-1) such as a plurality of grades; And the dislocation of the delivery port (8-1) of reacting gas feed tube (8) both sides is arranged; Equidistant from top to bottom the arranging of delivery port (8-1) of reacting gas feed tube (8) homonymy has a plurality of location notchs (4-1) on the said insulation support body (4), each location notch (4-1) is all corresponding with a delivery port (8-1); Be provided with a monocell (1) in each location notch (4-1); A plurality of monocells (1) connect and compose battery pack through a plurality of conduction connectors (7), and said monocell (1) is the electrode coplane battery of electrolyte-supported, and the electrode coplane battery of electrolyte-supported is made up of porous anode (1-1), dielectric substrate (1-2) and three parts of porous cathode (1-3); Porous anode (1-1) and porous cathode (1-3) are all on the same side end face of dielectric substrate (1-2); The anode of said battery pack is drawn through anode tap (5), and the negative electrode of said battery pack is drawn through cathode leg (6), feeds the mist of fuel, oxygen and diluent gas in the reacting gas feed tube (8); The porous anode (1-1) of the cut direction of delivery port (8-1) and monocell (1) and the Surface Vertical of porous cathode (1-3) vertically are injected in by the gas of delivery port (8-1) ejection on the surface of porous anode (1-1) and porous cathode (1-3) of monocell (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100574661A CN102157746B (en) | 2011-03-10 | 2011-03-10 | Jet air supply type single-chamber solid oxide fuel cell stack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100574661A CN102157746B (en) | 2011-03-10 | 2011-03-10 | Jet air supply type single-chamber solid oxide fuel cell stack |
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| Publication Number | Publication Date |
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| CN102157746A CN102157746A (en) | 2011-08-17 |
| CN102157746B true CN102157746B (en) | 2012-12-19 |
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| CN2011100574661A Expired - Fee Related CN102157746B (en) | 2011-03-10 | 2011-03-10 | Jet air supply type single-chamber solid oxide fuel cell stack |
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| CN104377372A (en) * | 2014-09-05 | 2015-02-25 | 中国科学院上海应用物理研究所 | Ventilation pipe for solid oxide fuel battery/electrolysis tank, and preparation method thereof |
| CN108023096A (en) * | 2017-12-07 | 2018-05-11 | 北京理工大学 | The preparation method of solid oxide fuel cell densification double-layer ceramic connector |
| CN110890570B (en) * | 2019-11-19 | 2021-05-28 | 西安交通大学 | Preparation method of tubular solid oxide fuel cell with double-layer connecting electrodes connected in series |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827606A (en) * | 1988-05-11 | 1989-05-09 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for assembling solid oxide fuel cells |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007165157A (en) * | 2005-12-15 | 2007-06-28 | Nippon Shokubai Co Ltd | Solid oxide fuel cell |
| JPWO2010030032A1 (en) * | 2008-09-12 | 2012-02-02 | 日本碍子株式会社 | Solid forming part manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827606A (en) * | 1988-05-11 | 1989-05-09 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for assembling solid oxide fuel cells |
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| JP特开2007-165157A 2007.06.28 |
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