Barium-zirconium-cerium-yttrium-based micro-tube type battery tandem connection structure and processing method thereof

Abstract

The invention relates to a barium-zirconium-cerium-yttrium-based micro-tube type battery tandem structure and a processing method thereof. The barium-zirconium-cerium-yttrium-based micro-tube type battery tandem structure comprises an electrolyte tube, the material of the electrolyte tube is BZCYYb; the inner wall of the electrolyte tube is coated with the anode layer, and the anode layer is made of NiO and BZCYYb; the cathode layer is coated on the outer wall of the electrolyte tube, and the materials of the cathode layer are PrBSCF and BZCYYb; the end parts of two adjacent electrolyte tubes are bonded and fixed through insulating glue; the left end part of the silver film is attached to the inner wall of the anode layer of one electrolyte tube, and the right end part of the silver film penetrates through the insulating glue and is attached to the outer wall of the cathode layer of the adjacent electrolyte tube. The invention has the advantages that the tube wall of the battery can be well attached, and the gap between the serially connected batteries is small.

Description

Technical Field

[0001] The invention relates to a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure and a processing method thereof. Background Art

[0002] Currently, the existing method of coating silver paste and using silver wires to lead out the series connection has disadvantages such as the difficulty of collecting the current on the internal tube wall and large gaps between the series connections. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure and a processing method thereof, which can achieve better adhesion to the battery tube wall and smaller gaps between the series-connected batteries.

[0004] In order to achieve the above object, the first technical solution of the present invention is implemented as follows: it is a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure, characterized by comprising: Two or more electrolyte tubes; the electrolyte tubes are made of BZCYYb, have a pore size of 400nm-2μm, a wall thickness of 270μm-300μm, and a length of 54mm-60mm; Anode layer; the anode layer is coated on the inner wall of the electrolyte tube, the material of the anode layer is NiO and BZCYYb, the weight ratio of NiO:BZCYYb is 6:4, and the thickness of the anode layer is 74μm-101μm; Cathode layer; the cathode layer is coated on the outer wall of the electrolyte tube, the material of the cathode layer is PrBSCF and BZCYYb, the weight ratio of PrBSCF: BZCYYb is 7:3, and the thickness of the cathode layer is 26μm-30μm; Insulating glue; the ends of two adjacent electrolyte tubes are bonded and fixed by insulating glue; The silver film has a thickness of 38-42 μm, a left end portion of the silver film is adhered to the inner wall of the anode layer of an electrolyte tube, and the silver film adherence area accounts for 40-60% of the inner wall of the anode layer; the right end portion of the silver film is adhered to the outer wall of the cathode layer of an adjacent electrolyte tube through insulating adhesive, and the silver film adherence area accounts for 40-60% of the outer wall of the cathode layer.

[0005] In this technical solution, the silver film is in strip shape, and two or more silver films are attached to the inner wall of the anode layer of each electrolyte tube.

[0006] In this technical solution, the insulating glue is ceramic glue.

[0007] In order to achieve the above object, the first technical solution of the present invention is implemented as follows: it is a method for processing a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure, characterized by comprising the following steps: Step 1: Cut the silver film with hydrophilic paper into suitable strips. Place the cut silver film in water to separate it from the hydrophilic paper. The area of ​​the silver film is 40-60% of the inner wall area of ​​the anode layer. The thickness of the silver film is 38-42μm. Step 2: Use deionized water to stick one end of the cut silver film to the inner wall of the anode layer of one electrolyte tube, and use deionized water to stick the other end of the silver film to the outer wall of the cathode layer of the adjacent electrolyte tube.

[0008] Step 3: After lamination, place the electrolyte tube in a muffle furnace for annealing at 600±1 degrees Celsius for 2h±10min to allow the silver film to adhere to the anode layer of the electrolyte tube and the cathode layer of the adjacent electrolyte tube.

[0009] The advantages of the present invention compared with the prior art are: better adhesion to the battery tube wall and smaller gaps between series-connected batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a top view of the present invention; Figure 3 yes Figure 2 AA section view; Figure 4 yes Figure 3 Enlarged view of part C; Figure 5 yes Figure 2 BB cross-sectional view; Figure 6 yes Figure 5 Enlarged view of part D. DETAILED DESCRIPTION

[0011] The following is a further description of specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. Example

[0012] like Figure 1 and Figure 6 As shown, it is a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure and its processing method, including: Two or more electrolyte tubes 3; the material of the electrolyte tube 3 is BZCYYb, the pore size can be 400nm, 800nm, 1200nm, 1600nm, 2μm, the wall thickness can be 270μm, 280μm, 290μm, 300μm, and the length can be 54mm, 56mm, 58mm, 60mm; Anode layer 4; the anode layer 4 is coated on the inner wall of the electrolyte tube 3. The material of the anode layer 4 is NiO and BZCYYb. The weight ratio of NiO:BZCYYb is 6:4. The thickness of the anode layer 4 can be 74μm, 80μm, 84μm, 88μm, 92μm, 96μm, or 101μm. Cathode layer 1; the cathode layer 1 is coated on the outer wall of the electrolyte tube 3. The material of the cathode layer 1 is PrBSCF and BZCYYb. The weight ratio of PrBSCF:BZCYYb is 7:3. The thickness of the cathode layer 1 can be 26μm, 28μm, or 30μm. Insulating glue 5; the ends of two adjacent electrolyte tubes 3 are bonded and fixed by insulating glue 5; Silver film 2; the thickness of the silver film 2 can be 38 μm, 40 μm, or 42 μm, the left end of the silver film 2 is adhered to the inner wall of the anode layer 4 of an electrolyte tube 3, and the adhesion area of ​​the silver film 2 accounts for 40%, 50%, or 60% of the inner wall of the anode layer 4; the right end of the silver film 2 passes through the insulating glue 5 and is adhered to the outer wall of the cathode layer 1 of the adjacent electrolyte tube 3, and the adhesion area of ​​the silver film 2 accounts for 40%, 50%, or 60% of the outer wall of the cathode layer 1.

[0013] In the present technical solution, the silver film 2 is in a strip shape, and two or more silver films 2 are attached to the inner wall of the anode layer 4 of each electrolyte tube 3.

[0014] In the present technical solution, the insulating glue 5 is ceramic glue. Example

[0015] like Figure 1 and Figure 6 As shown, it is a method for processing a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure, which is characterized by comprising the following steps: Step 1: Cut the silver film 2 with hydrophilic paper into suitable strips. Place the cut silver film 2 in water to separate it from the hydrophilic paper. The area of ​​the silver film 2 is 40%, 50% or 60% of the inner wall area of ​​the anode layer 4. The thickness of the silver film 2 can be 38μm, 40μm or 42μm. Step 2: stick one end of the cut silver film 2 on the inner wall of the anode layer 4 of one electrolyte tube 3 with deionized water, and stick the other end of the silver film 2 on the outer wall of the cathode layer 1 of the adjacent electrolyte tube 3 with deionized water.

[0016] Step 3: After lamination, the electrolyte tube 3 is placed in a muffle furnace for annealing, and kept at 599 degrees Celsius, 600 degrees Celsius, or 601 degrees Celsius for 1 hour and 50 minutes, 2 hours, or 2 hours and 10 minutes to laminate the silver film 2 with the anode layer 4 of the electrolyte tube 3 and the cathode layer 1 of the adjacent electrolyte tube 3.

[0017] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments without departing from the principles and purpose of the present invention are still within the scope of protection of the present invention.

Claims

1. A barium-zirconium-cerium-yttrium-based micro-tubular battery series structure, characterized in that include: Two or more electrolyte tubes (3); the material of the electrolyte tube (3) is BZCYYb, the pore size is 400nm-2μm, the wall thickness is 270μm-300μm, and the length is 54mm-60mm; Anode layer (4); the anode layer (4) is coated on the inner wall of the electrolyte tube (3); the material of the anode layer (4) is NiO and BZCYYb, the weight ratio of NiO:BZCYYb is 6:4, and the thickness of the anode layer (4) is 74 μm-101 μm; A cathode layer (1); the cathode layer (1) is coated on the outer wall of the electrolyte tube (3); the material of the cathode layer (1) is PrBSCF and BZCYYb, the weight ratio of PrBSCF:BZCYYb is 7:3, and the thickness of the cathode layer (1) is 26 μm-30 μm; Insulating glue (5); the ends of two adjacent electrolyte tubes (3) are bonded and fixed by the insulating glue (5); A silver film (2); the thickness of the silver film (2) is 38-42 μm, the left end of the silver film (2) is adhered to the inner wall of an anode layer (4) of an electrolyte tube (3), and the adhered area of ​​the silver film (2) accounts for 40-60% of the inner wall of the anode layer (4), and the right end of the silver film (2) passes through an insulating glue (5) and is adhered to the outer wall of a cathode layer (1) of an adjacent electrolyte tube (3), and the adhered area of ​​the silver film (2) accounts for 40-60% of the outer wall of the cathode layer (1).

2. The barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 1, characterized in that The silver film (2) is in the form of strips, and at least two silver films (2) are bonded to the inner wall of the anode layer (4) of each electrolyte tube (3).

3. The barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 1, characterized in that The insulating glue (5) is ceramic glue.

4. The processing method of the barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 1, characterized in that The steps include: Step 1: Cut the silver film (2) with hydrophilic paper into suitable strips, place the cut silver film (2) in water to separate it from the hydrophilic paper, the area of ​​the silver film (2) is 40-60% of the inner wall area of ​​the anode layer (4), and the thickness of the silver film (2) is 38-42 μm; Step 2: Using deionized water, one end of the cut silver film (2) is adhered to the inner wall of the anode layer (4) of one of the electrolyte tubes (3), and the other end of the silver film (2) is adhered to the outer wall of the cathode layer (1) of the adjacent electrolyte tube (3); Step 3: After lamination, the electrolyte tube (3) is placed in a muffle furnace for annealing and kept at 600±1 degrees Celsius for 2h±10min, so that the silver film (2) is laminated with the anode layer (4) of the electrolyte tube (3) and the cathode layer (1) of the adjacent electrolyte tube (3).

5. The barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 4, characterized in that The silver film (2) is in the form of strips, and at least two silver films (2) are bonded to the inner wall of the anode layer (4) of each electrolyte tube (3).

6. The barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 4, characterized in that The insulating glue (5) is ceramic glue.

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