A barium zirconium cerium yttrium-based microtube battery series connection structure and a processing method thereof

Abstract

The application relates to a barium-zirconium-cerium-yttrium-based micro tube type battery series connection structure and a processing method thereof. The electrolyte tube is made of BZCYYb. An anode layer is coated on the inner wall of the electrolyte tube, and the material of the anode layer is NiO and BZCYYb. A cathode layer is coated on the outer wall of the electrolyte tube, and the material of the cathode layer is PrBSCF and BZCYYb. The end portions of two adjacent electrolyte tubes are fixed by insulating glue. The left end portion of a silver film is attached to the inner wall of the anode layer of an electrolyte tube, and the right end portion of the silver film is attached to the outer wall of the cathode layer of the adjacent electrolyte tube through the insulating glue. The method has the advantages that the electrolyte tube wall can be better attached, and the gap between the series connection batteries is small.

Description

TECHNICAL FIELD

[0001] The present application relates to a barium zirconium cerium yttrium-based micro-tube battery series connection structure and a processing method thereof. BACKGROUND

[0002] At present, the existing silver paste coating and silver wire leading series connection method has the problems of difficult internal tube wall current collection process and large gap between series connections. SUMMARY

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

[0004] In order to achieve the above-mentioned purpose, the first technical solution of the present application is realized as follows, which is a barium zirconium cerium yttrium-based micro-tube battery series connection structure, characterized in that it comprises:

[0005] two or more electrolyte tubes; the material of the electrolyte tube is BZCYYb, the pore size is 400nm-2um, the wall thickness is 270um-300um, and the length is 54mm-60mm;

[0006] an 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 74um-101um;

[0007] a 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 26um-30um;

[0008] insulating glue; the end portions of adjacent two electrolyte tubes are fixedly bonded by the insulating glue;

[0009] a silver film; the thickness of the silver film is 38-42um, the left end portion of the silver film is attached to the inner wall of the anode layer of one electrolyte tube, and the silver film attachment area accounts for 40-60% of the inner wall of the anode layer, and the right end portion of the silver film is attached to the outer wall of the cathode layer of the adjacent electrolyte tube through the insulating glue, and the silver film attachment area accounts for 40-60% of the outer wall of the cathode layer.

[0010] In the present technical solution, the silver film is in the form of a strip, and two or more silver films are attached to the inner wall of the anode layer of each electrolyte tube.

[0011] In the present technical solution, the insulating glue is ceramic glue.

[0012] 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:

[0013] 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.

[0014] 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.

[0015] 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.

[0016] 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

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 is a top view of the present invention;

[0019] Figure 3 yes Figure 2 AA section view;

[0020] Figure 4 yes Figure 3 Enlarged view of part C;

[0021] Figure 5 yes Figure 2 BB cross-sectional view;

[0022] Figure 6 yes Figure 5 Enlarged view of part D. DETAILED DESCRIPTION

[0023] 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

[0024] like Figure 1 andFigure 6 As shown, it is a barium-zirconium-cerium-yttrium-based micro-tubular battery series structure and its processing method, including:

[0025] 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;

[0026] 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.

[0027] 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.

[0028] Insulating glue 5; the ends of two adjacent electrolyte tubes 3 are bonded and fixed by insulating glue 5;

[0029] 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.

[0030] 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.

[0031] In the present technical solution, the insulating glue 5 is ceramic glue. Example

[0032] 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:

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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 microtubular battery series structure, characterized in that include: Two or more electrolyte tubes (3); the material of the electrolyte tubes (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 74μm-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, and the thickness of the cathode layer (1) is 26μm-30μm; 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 the 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); 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 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 microtubular battery series structure according to claim 1, characterized in that The silver film (2) is in a strip shape, and two or more silver films (2) are adhered to the inner wall of the anode layer (4) of each electrolyte tube (3).

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

4. The method for processing 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). 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 electrolyte tube (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 method for processing the barium-zirconium-cerium-yttrium-based micro-tubular battery series structure according to claim 4, characterized in that The silver film (2) is in a strip shape, and two or more silver films (2) are adhered to the inner wall of the anode layer (4) of each electrolyte tube (3).

6. The method for processing 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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