Preparation method of solid oxide fuel cell
A solid oxide, fuel cell technology, used in solid electrolyte fuel cells, fuel cell components, fuel cells, etc., can solve problems such as poor contact between electrolyte and electrodes, affecting the overall performance of SOFC, and SOFC performance degradation. Easy operation, low equipment requirements, and the effect of improving open circuit voltage
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example Construction
[0029] A method for preparing a solid oxide fuel cell, mainly comprising the following steps:
[0030] S1, spin-coat the barrier layer GDC slurry on the sintered dense electrolyte sheet, and sinter to obtain a semi-finished battery;
[0031] S2, pressing and attaching the semi-finished battery to the battery to be prepared for sintering;
[0032] The battery to be prepared sequentially includes a cathode layer, a GDC barrier layer, an electrolyte layer, a GDC barrier layer, and an anode layer.
[0033] It should be noted that the battery to be prepared in step S2 is obtained after brushing the electrode layer on the semi-finished battery in step S1.
[0034] In the present invention, the procedure for pressing and sintering the semi-finished battery on the battery to be prepared in step S2 is as follows: the heating rate is 1-3 °C / min; the temperature is kept at 250-350 °C for 5-15 min; Keep warm at 1000°C for 3h; then cool down to room temperature at a rate of 2-4°C / min. P...
Embodiment 1
[0044] This embodiment provides a method for preparing a solid oxide fuel cell, which specifically includes the following steps:
[0045](1) Take 30g of commercial electrolyte YSZ, add acetone submerged in the electrolyte powder as a solvent, 0.6g KD~1 as a dispersant, and ball mill for 24 hours to ensure that the particle size of the electrolyte powder is uniform and reduce the particle size of the powder to nanoscale. Obtain electrolyte powder;
[0046] (2) Add an appropriate amount of ball-milled YSZ powder into the mold, adjust the bolts, spread the YSZ powder, and press it into a 300um thick electrolyte green sheet under a pressure of 220Mpa, and then put the pressed electrolyte green sheet The sheet was pre-sintered at 1450°C for 10 hours to achieve densification;
[0047] (3) Preparation of slurry: 10g of gadolinium-doped ceria oxide Ce0.9Gd0.1O2~δ(GDC) powder, add acetone in an amount submerged in the powder as solvent, and 0.2g of KD~1 as dispersant , ball milled fo...
Embodiment 2
[0053] This embodiment provides a method for preparing a solid oxide fuel cell, which specifically includes the following steps:
[0054] (1) Take 28g of commercial electrolyte YSZ, add acetone submerged in the electrolyte powder as a solvent, 0.6g KD~1 as a dispersant, and ball mill for 24 hours to ensure that the particle size of the electrolyte powder is uniform and reduce the particle size of the powder to nanoscale. Obtain electrolyte powder;
[0055] (2) Add an appropriate amount of ball-milled YSZ powder into the mold, adjust the bolts, spread the YSZ powder, and press it into a 280um thick electrolyte green sheet under a pressure of 230Mpa, and then put the pressed electrolyte green sheet The sheet is pre-sintered at 1400°C for 10h to achieve densification;
[0056] (3) Preparation of slurry: 11g of gadolinium-doped ceria oxide Ce0.9Gd0.1O2~δ(GDC) powder, add acetone in an amount submerged in the powder as a solvent, and 0.3g of KD~1 as a dispersant , ball milled for...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Thickness | aaaaa | aaaaa |
| Thickness | aaaaa | aaaaa |
| Thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More