CN103165923B - Electric collecting device of positive electrode supporting tube type battery, manufacture method thereof and battery stack - Google Patents
Electric collecting device of positive electrode supporting tube type battery, manufacture method thereof and battery stack Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 49
- 239000010935 stainless steel Substances 0.000 claims abstract description 49
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 19
- 229910002074 (La0.8Sr0.2)0.95MnO3 Inorganic materials 0.000 claims description 27
- 229910002075 lanthanum strontium manganite Inorganic materials 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 20
- 238000010532 solid phase synthesis reaction Methods 0.000 claims description 8
- 101710134784 Agnoprotein Proteins 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 5
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- IGPAMRAHTMKVDN-UHFFFAOYSA-N strontium dioxido(dioxo)manganese lanthanum(3+) Chemical compound [Sr+2].[La+3].[O-][Mn]([O-])(=O)=O IGPAMRAHTMKVDN-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- -1 unsealed Chemical compound 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
本发明公开了一种阳极支撑管式电池的收电装置，其包括：一内径稍大于所述电池外径的不锈钢粗管，其内装有所述电池；该不锈钢粗管的柱形管头上焊接有空心的细的不锈钢阴极进气管；该不锈钢粗管与所述电池涂覆有LSM浆料的阴极侧之间填充有用于阴极收电的LSM浆料层；一外径稍小于所述电池内径的不锈钢阳极进气管，插在所述电池的阳极支撑层侧内；在该不锈钢阳极进气管和电池的阳极支撑层之间填充有用于阳极收电的镍毡层。本发明装置的制备工艺简单、成本低、寿命长，便于大规模应用，有利于降低SOFC电池堆的成本，具有良好的应用前景。
The invention discloses a power collection device for an anode-supported tubular battery, which comprises: a thick stainless steel tube with an inner diameter slightly larger than the outer diameter of the battery, in which the battery is installed; a cylindrical tube head of the thick stainless steel tube A hollow thin stainless steel cathode intake pipe is welded; the thick stainless steel pipe and the cathode side of the battery coated with LSM slurry are filled with an LSM slurry layer for cathode electricity collection; an outer diameter is slightly smaller than that of the battery A stainless steel anode intake tube with an inner diameter is inserted into the anode support layer side of the battery; a nickel felt layer for anode electricity collection is filled between the stainless steel anode intake tube and the anode support layer of the battery. The device of the invention has simple preparation process, low cost and long service life, is convenient for large-scale application, helps reduce the cost of SOFC battery stacks, and has good application prospects.
Description
技术领域 technical field
本发明属于燃料电池技术领域，具体涉及一种阳极支撑管式电池的收电装置及其制备方法和电池堆。 The invention belongs to the technical field of fuel cells, and in particular relates to a power collecting device for an anode support tubular battery, a preparation method thereof and a battery stack.
背景技术 Background technique
燃料电池作为一种新型能源技术，具有能量转换效率高、清洁、安全等优点，固体氧化物燃料电池主要有平板型和管式两种结构。与平板固体氧化物燃料电池相比，管式固体氧化物燃料电池的优点是密封容易，抗热震能力强，对负载反应迅速，规模容易放大等优点。 As a new type of energy technology, fuel cells have the advantages of high energy conversion efficiency, cleanliness, and safety. Solid oxide fuel cells mainly have two structures: flat plate type and tubular type. Compared with flat solid oxide fuel cells, tubular solid oxide fuel cells have the advantages of easy sealing, strong thermal shock resistance, rapid response to load, and easy scale-up.
但管式电池由于电流路径长，所以收电是一个难题。对于阴极支撑的管式电池，其阳极侧在管外，主要用镍毡收电。而对于阳极支撑的管式电池，传统方法是在阴极侧采用贵金属收电。由于阳极支撑管式电池阴极面积大，阴极侧采用贵金属收电成本很高。由于收电的好坏直接影响电池的输出，因此，开发一种适合管式电池阴极收电的方法具有十分重要的意义。 However, due to the long current path of tubular batteries, power collection is a problem. For cathode-supported tubular batteries, the anode side is outside the tube, and nickel felt is mainly used for electricity collection. For anode-supported tubular batteries, the traditional method is to use noble metals to collect electricity on the cathode side. Due to the large cathode area of the anode-supported tubular battery, the cost of using noble metals on the cathode side is very high. Since the quality of electricity collection directly affects the output of the battery, it is of great significance to develop a method suitable for cathode electricity collection of tubular batteries.
发明内容 Contents of the invention
本发明针对现有技术中阳极支撑管式电池的阴极收电成本高的技术问题，目的在于提供一种阳极支撑管式电池的收电装置。其采用将阳极支撑管式电池置于内径稍大于电池外径的不锈钢粗管中进行收电，可以降低对电池强度的需求，方便了大规模管式电池堆的组装及测试。 The present invention aims at the technical problem of the high cost of collecting electricity from the cathode of the anode-supporting tubular battery in the prior art, and aims to provide a power-collecting device for the anode-supporting tubular battery. It collects electricity by placing the anode-supporting tubular battery in a thick stainless steel tube with an inner diameter slightly larger than the outer diameter of the battery, which can reduce the demand for battery strength and facilitate the assembly and testing of large-scale tubular battery stacks.
本发明的阳极支撑管式电池的收电装置包括： The power collecting device of the anode support tubular battery of the present invention comprises:
一内径稍大于所述电池外径的不锈钢粗管，其内装有所述电池；该不锈钢粗管的柱形管头上焊接有空心的细的不锈钢阴极进气管；该不锈钢粗管与所述电池涂覆有LSM浆料的阴极侧之间填充有用于阴极收电的LSM浆料层；其中，LSM浆料含有A位缺位(La0.8Sr0.2)0.95MnO3（简称LSM95）和AgNO3。 A thick stainless steel tube with an inner diameter slightly larger than the outer diameter of the battery, which contains the battery; a hollow thin stainless steel cathode air intake tube is welded on the cylindrical tube head of the thick stainless steel tube; the thick stainless steel tube and the battery The cathode side coated with LSM slurry is filled with an LSM slurry layer for cathode electricity collection; wherein, the LSM slurry contains A-site vacancy (La 0.8 Sr 0.2 ) 0.95 MnO 3 (LSM95 for short) and AgNO 3 .
一外径稍小于所述电池内径的不锈钢阳极进气管，插在所述电池的阳极支撑层侧内；在该不锈钢阳极进气管和电池的阳极支撑层之间填充有用于阳极收电的镍毡层。 A stainless steel anode intake pipe with an outer diameter slightly smaller than the inner diameter of the battery is inserted into the anode support layer side of the battery; nickel felt for anode electricity collection is filled between the stainless steel anode intake pipe and the anode support layer of the battery layer.
本发明由于采用A位缺位的锰酸锶镧作为阴极收电材料，其在氧化气氛下稳定且具有较高的电导率，硝酸银在高温下分解成金属银，其在氧化和还原气氛下均稳定且电导率高，高温下韧性好，可以改善陶瓷颗粒之间的接触。 In the present invention, since the strontium lanthanum manganate with A-site deficiency is used as the cathode electricity collection material, it is stable in an oxidizing atmosphere and has high electrical conductivity. Silver nitrate is decomposed into metallic silver at high temperature, and it is Both are stable and have high electrical conductivity, good toughness at high temperature, and can improve the contact between ceramic particles.
其中，在该电池的阳极侧和阴极侧分别引出有电压电流线。 Wherein, voltage and current wires are respectively drawn out on the anode side and the cathode side of the battery.
所述LSM浆料为质量比20:1的A位缺位(La0.8Sr0.2)0.95MnO3粉体和AgNO3的混合物，经加入20wt%的淀粉溶液搅拌均匀成糨糊状的LSM浆料。 The LSM slurry is a mixture of A-site-deficient (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder and AgNO 3 with a mass ratio of 20:1, which is uniformly formed into a paste-like LSM slurry by adding 20wt% starch solution and stirring.
A位缺位(La0.8Sr0.2)0.95MnO3采用固相法合成得到，具体为按照(La0.8Sr0.2)0.95MnO3中La、Sr、Mn的化学计量比称取La2O3、SrCO3和MnCO3，球磨后烘干，热处理后得到A位缺位的(La0.8Sr0.2)0.95MnO3粉体。 A-site vacancy (La 0.8 Sr 0.2 ) 0.95 MnO 3 was synthesized by solid-phase method, specifically, La 2 O 3 and SrCO were weighed according to the stoichiometric ratio of La, Sr, and Mn in (La 0.8 Sr 0.2 ) 0.95 MnO 3 3 and MnCO 3 , dried after ball milling, and heat-treated to obtain (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder with A-site vacancy.
所述的不锈钢粗管的内壁和外壁喷涂有固相法合成的A位缺位的(La0.8Sr0.2)0.95MnO3粉体。 The inner and outer walls of the thick stainless steel tube are sprayed with A-site-deficient (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder synthesized by solid phase method.
本发明的另一目的在于提供一种制备本发明的阳极支撑管式电池的收电装置的方法，其包括如下步骤： Another object of the present invention is to provide a method for preparing the power collection device of the anode-supported tubular battery of the present invention, which includes the following steps:
A)将空心的细的不锈钢阴极进气管焊接于不锈钢粗管的柱形管头上；并在不锈钢粗管的内壁和外壁喷涂A位缺位的(La0.8Sr0.2)0.95MnO3粉体； A) Welding the hollow thin stainless steel cathode air intake tube to the cylindrical tube head of the stainless steel thick tube; and spraying (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder with A-site vacancy on the inner wall and outer wall of the stainless steel thick tube;
B)在电池的阳极支撑层侧内插入外周裹覆有镍毡的不锈钢阳极进气管；再继续将镍毡填充在不锈钢阳极进气管和电池的阳极支撑层之间，并将镍毡压实使其与阳极支撑层紧密结合； B) Insert the stainless steel anode air intake pipe that is covered with nickel felt in the anode support layer side of the battery; then continue to fill the nickel felt between the stainless steel anode intake pipe and the anode support layer of the battery, and compact the nickel felt to make It is closely combined with the anode support layer;
C)将糨糊状的LSM浆料均匀涂覆电池的阴极侧并干燥之； C) uniformly coating the cathode side of the battery with the paste-like LSM slurry and drying it;
D)将步骤B)和步骤C)完成后的电池，插入于步骤A)得到的不锈钢粗管内，再在不锈钢粗管与电池之间灌入LSM浆料直至紧密接触。 D) Insert the battery after step B) and step C) into the thick stainless steel tube obtained in step A), and then pour LSM slurry between the thick stainless steel tube and the battery until they are in close contact.
本发明的阳极支撑管式电池的收电装置的制备方法中，步骤A)、步骤B)和步骤C)三者的顺序没有严格的先后顺序，可以互换调整。 In the preparation method of the power collection device of the anode-supported tubular battery of the present invention, the order of step A), step B) and step C) is not strictly sequential, and can be adjusted interchangeably.
其中，在步骤B)的最后，在电池的阳极侧引出电压电流线；在步骤A)的最后，在不锈钢阴极进气管上引出电压电流线。 Wherein, at the end of step B), the voltage and current wires are drawn out on the anode side of the battery; at the end of step A), the voltage and current lines are drawn out on the stainless steel cathode air intake tube.
其中，LSM浆料为质量比20:1的A位缺位(La0.8Sr0.2)0.95MnO3粉体和AgNO3的混合物，经加入20wt%的淀粉溶液搅拌均匀成糨糊状的LSM浆料。 Among them, the LSM slurry is a mixture of A-site-deficient (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder and AgNO 3 with a mass ratio of 20:1, which is uniformly formed into a paste-like LSM slurry by adding 20wt% starch solution and stirring.
A位缺位(La0.8Sr0.2)0.95MnO3采用固相法合成得到，具体为按照(La0.8Sr0.2)0.95MnO3中La、Sr、Mn的化学计量比称取La2O3、SrCO3和MnCO3，球磨后烘干，热处理后得到A位缺位的(La0.8Sr0.2)0.95MnO3粉体。 A-site vacancy (La 0.8 Sr 0.2 ) 0.95 MnO 3 was synthesized by solid-phase method, specifically, La 2 O 3 and SrCO were weighed according to the stoichiometric ratio of La, Sr, and Mn in (La 0.8 Sr 0.2 ) 0.95 MnO 3 3 and MnCO 3 , dried after ball milling, and heat-treated to obtain (La 0.8 Sr 0.2 ) 0.95 MnO 3 powder with A-site vacancy.
本发明的又一目的在于提供一种由本发明的阳极支撑管式电池的收电装置组成的电池堆。 Another object of the present invention is to provide a battery stack composed of the power collecting device of the anode-supporting tubular battery of the present invention.
与现有技术相比，本发明的有益效果是： Compared with prior art, the beneficial effect of the present invention is:
1）本发明的阳极支撑管式电池的收电装置中用于阴极收电的LSM浆料层和电池阴极侧材料相同，这样热膨胀系数匹配结合好； 1) The LSM slurry layer used for cathode power collection in the power collection device of the anode-supported tubular battery of the present invention is the same as the material on the cathode side of the battery, so that the thermal expansion coefficients are well matched;
2）本发明的阳极支撑管式电池的收电装置的制备工艺简单，通过浆料涂刷的方法可以方便地在管式电池的阴极侧上制备用于阴极收电的LSM浆料层； 2) The preparation process of the power collection device of the anode-supported tubular battery of the present invention is simple, and the LSM slurry layer for cathode power collection can be conveniently prepared on the cathode side of the tubular battery by the method of slurry brushing;
3）成本低廉，材料制备过程简单，银用量少，可以大大降低成本； 3) The cost is low, the material preparation process is simple, and the amount of silver used is small, which can greatly reduce the cost;
4）采用不锈钢管组装电池测试，简单方便，对电池强度要求不高，适合各种强度的电池组装测试，组装大的电池堆连接方便； 4) Use stainless steel tubes to assemble batteries for testing, which is simple and convenient, and does not require high battery strength. It is suitable for battery assembly tests of various strengths, and it is easy to connect large battery stacks;
5）结构牢固，结合及稳定性好，阴极收电材料和阴极侧有很好的化学相容性，适合长期使用。 5) The structure is strong, the combination and stability are good, the cathode material and the cathode side have good chemical compatibility, and are suitable for long-term use.
附图说明 Description of drawings
图1为不锈钢粗管的结构示意图； Fig. 1 is the structural representation of stainless steel thick tube;
图2为本发明的阳极支撑管式电池的收电装置的结构剖面示意图； Fig. 2 is a schematic cross-sectional view of the structure of the power collection device of the anode-supported tubular battery of the present invention;
其中，阳极进气管1、镍毡层2、阳极支撑管式电池3、用于阴极收电的LSM浆料层4、不锈钢粗管5、阴极进气管6； Among them, anode air intake pipe 1, nickel felt layer 2, anode support tubular battery 3, LSM slurry layer 4 for cathode electricity collection, stainless steel thick pipe 5, cathode air intake pipe 6;
图3为本发明的阳极支撑管式电池的收电装置测试交流阻抗谱图； Fig. 3 is the AC impedance spectrogram of the power collection device test of the anode support tubular battery of the present invention;
图4为本发明的阳极支撑管式电池的收电装置测试I-V曲线图； Fig. 4 is the test I-V curve diagram of the power collection device of the anode support tubular battery of the present invention;
图5为多个本发明的阳极支撑管式电池的收电装置经过组装后的电池堆结构示意图。 FIG. 5 is a schematic diagram of the structure of a battery stack after a plurality of power collection devices of the anode-supporting tubular battery of the present invention are assembled.
具体实施方式 Detailed ways
实施例1阳极支撑管式电池的收电装置的制备 Example 1 Preparation of a power collection device for anode-supported tubular batteries
阴极收电用的LSM95粉体的制备 Preparation of LSM95 powder for cathode electricity collection
按化学计量比称取123.807gLa2O3、28.049gSrCO3和114.946gMnCO3，将三种粉体混合后，加入4g三乙醇胺和250g酒精，球磨2h，烘干后，放入马弗炉中煅烧，950℃保温4h，升温速率2℃/min，得到初级合成粉。将初级合成粉再加入4g三乙醇胺，250g酒精，球磨2h，烘干后，放入马弗炉中煅烧，1050℃保温4h，升温速率2℃/min，得到最终的阴极收电用的LSM95粉体。 Weigh 123.807g La 2 O 3 , 28.049g SrCO 3 and 114.946g MnCO 3 according to the stoichiometric ratio, mix the three powders, add 4g triethanolamine and 250g alcohol, ball mill for 2 hours, dry it, put it in a muffle furnace for calcination , kept at 950°C for 4h, and the heating rate was 2°C/min to obtain primary synthetic powder. Add 4g of triethanolamine and 250g of alcohol to the primary synthetic powder, ball mill for 2 hours, dry it, put it into a muffle furnace for calcination, keep it at 1050°C for 4 hours, and heat up at a rate of 2°C/min to obtain the final LSM95 powder for cathode electricity collection body.
阴极收电用的LSM浆料的配制 Preparation of LSM slurry for cathode electricity collection
称取20g固相法合成的LSM95粉体和1g硝酸银混合用作收电粉，加入 20%的藕粉溶液300mL，搅拌成糨糊状。 Weigh 20g of LSM95 powder synthesized by solid phase method and 1g of silver nitrate and mix it as a power collecting powder, add 300mL of 20% lotus root starch solution, and stir to form a paste.
阳极侧收电的镍毡层的制备 Preparation of Nickel Felt Layer for Electricity Collection on Anode Side
如图2所示，阳极支撑管式电池3的阳极侧采用购买的多孔泡沫镍毡收电，将多孔泡沫镍毡裹覆在一根不锈钢阳极进气管1周围，将裹覆好镍毡的不锈钢阳极进气管1从电池3开口端置于阳极支撑管式电池3内，同时从镍毡上引出电压电流线，再继续将镍毡填充在不锈钢阳极进气管1和电池3的阳极支撑层的空隙之间，并将镍毡压实使其与阳极支撑层紧密结合，从而形成镍毡层2。 As shown in Figure 2, the anode side of the anode support tubular battery 3 adopts the purchased porous foam nickel felt to collect electricity, and the porous foam nickel felt is wrapped around a stainless steel anode intake pipe 1, and the stainless steel pipe covered with nickel felt The anode intake pipe 1 is placed in the anode support tubular battery 3 from the open end of the battery 3, and the voltage and current lines are drawn from the nickel felt at the same time, and then the nickel felt is continuously filled in the gap between the stainless steel anode intake pipe 1 and the anode support layer of the battery 3 between, and compact the nickel felt to make it tightly bonded with the anode support layer, thereby forming the nickel felt layer 2.
不锈钢粗管的制备 Preparation of thick stainless steel tubes
如图1所示，将直径2.5cm不锈钢粗管5的内壁和外壁喷涂固相法合成的LSM95粉体，在一头焊接一个直径1cm的不锈钢阴极进气管6，在直径1cm不锈钢阴极进气管6上引出阴极侧电压电流线。 As shown in Figure 1, the inner wall and the outer wall of the thick stainless steel tube 5 with a diameter of 2.5 cm are sprayed with LSM95 powder synthesized by a solid-phase method, and a stainless steel cathode inlet pipe 6 with a diameter of 1 cm is welded at one end, and on the stainless steel cathode inlet pipe 6 with a diameter of 1 cm Lead out the cathode side voltage and current lines.
阳极支撑管式电池收电装置的制备 Preparation of anode-supported tubular battery power collection device
将配制好的糨糊状的阴极收电用的LSM浆料均匀涂覆在电池3阴极侧，再在烘箱烘干，将电池3置入不锈钢粗管5中，再在电池3和不锈钢粗管5的空隙中填满LSM浆料，直到与电池3阴极完全紧密接触为止，形成了用于阴极收电的LSM浆料层4，从而得到阳极支撑管式电池的收电装置，如图2所示。 The prepared paste-like LSM slurry for cathode electricity collection is evenly coated on the cathode side of the battery 3, and then dried in an oven, the battery 3 is placed in the stainless steel thick tube 5, and then the battery 3 and the stainless steel thick tube 5 Fill the gaps with LSM slurry until it is fully in close contact with the cathode of the battery 3, forming the LSM slurry layer 4 for cathode electricity collection, thereby obtaining the electricity collection device of the anode support tubular battery, as shown in Figure 2 .
效果实施例1阳极支撑管式电池的收电装置的测试 Effect Example 1 Test of the power collecting device of the anode support tubular battery
将图2所示的阳极支撑管式电池的收电装置进行测试，测试条件：氢气和氧气，未密封，氢气流量为80mL/min，氧气流量为80mL/min，管式电池外径2cm，电池阴极面积20cm2，在800℃和850℃条件下对电池的电化学性能进行表征，所测试的电池的性能如图3和图4所示，实验结果表明本收电装置测试的结果能达到阴极用贵金属收电的性能输出效果，但是本装置节约了成本，组装方便。 Test the power collection device of the anode-supported tubular battery shown in Figure 2, test conditions: hydrogen and oxygen, unsealed, hydrogen flow rate is 80mL/min, oxygen flow rate is 80mL/min, the outer diameter of the tubular battery is 2cm, the battery The cathode area is 20cm 2 , and the electrochemical performance of the battery is characterized at 800°C and 850°C. The performance of the tested battery is shown in Figure 3 and Figure 4. The experimental results show that the test results of this power collection device can reach the cathode The performance and output effect of using precious metals to collect electricity, but this device saves costs and is easy to assemble.
效果实施例2本发明的阳极支撑管式电池的收电装置与其他阴极收电测试装置相比较 Effect Example 2 The power collection device of the anode support tubular battery of the present invention is compared with other cathode power collection test devices
将铂网收电、银网收电的装置与本发明的收电装置进行比较，测试条件同效果实施例1 Compare the devices of platinum network power collection and silver network power collection with the power collection device of the present invention, and the test conditions are the same as the effect embodiment 1
表1铂网收电、银网收电的装置与本发明的收电装置进行比较 Table 1 compares the devices of platinum network power collection and silver network power collection with the power collection device of the present invention
由以上结果可以看出，经过相同的测试方法，用本发明的收电装置和其他贵金属阴极收电材料的测试法相比，性能相差不大，但是本发明的装置节约了成本，而且组装方便。 It can be seen from the above results that after the same test method, the performance of the power collection device of the present invention is not much different from that of other noble metal cathode power collection materials, but the device of the present invention saves costs and is easy to assemble.
效果实施例3本发明的收电装置组装的电池堆 Effect Example 3 Battery stack assembled with the power collecting device of the present invention
按照本发明的收电装置组装的12根电池串联的电池堆，其结果示意图见图5，性能如下： According to the battery stack of 12 batteries connected in series assembled by the power collecting device of the present invention, the resulting schematic diagram is shown in Figure 5, and the performance is as follows:
表2本发明的收电装置组装的电池堆性能 Table 2 Performance of the battery stack assembled by the power collecting device of the present invention
从上表中可以看出，单片电池平均功率4W，和单片电池输出功率相比相差不是太多，说明此种方法组装电池堆是可行的。 It can be seen from the above table that the average power of a single battery is 4W, which is not much different from the output power of a single battery, indicating that this method of assembling a battery stack is feasible.
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