Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of electrolyte membrane material in a medium and low temperature solid oxide fuel cell

An electrolyte membrane material, solid oxide technology, applied in fuel cells, circuits, electrical components, etc., can solve problems such as selection and preparation difficulties, and achieve the effect of improving electrical conductivity

Active Publication Date: 2021-02-05
HEFEI UNIV OF TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sm with more traditional research 2 o 3 Doped CeO 2 The best battery performance temperature of (SDC) electrolyte is around 800°C, which brings great difficulties to the selection and preparation of the battery accessories.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of electrolyte membrane material in a medium and low temperature solid oxide fuel cell
  • Preparation method of electrolyte membrane material in a medium and low temperature solid oxide fuel cell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In this example, the electrolyte membrane material is prepared by adding dopants after the reaction process, and the preparation method is as follows:

[0024] 1. Add Sm(NO 3 ) 3 ·6H 2 O and Ce(NO 3 ) 3 ·6H 2 O is mixed according to the molar ratio of 1:4, then add glycine (C 2 h 5 NO 2 ) powder, in which total metal ions and C 2 h 5 NO 2 The molar ratio is 1:4. After adding an appropriate amount of deionized water, ultrasonically oscillate for 20 minutes, and stir continuously at room temperature. After complete dissolution, a clear light yellow mixed solution is obtained. The total metal ion concentration in the mixed solution is 0.1mol / L.

[0025] 2. Pour the mixed solution into a crucible vessel, and stir continuously at 250°C until the water in the solution evaporates to form a colloid, and then the colloid undergoes a violent combustion reaction to produce a fluffy, foamy fine oxide powder.

[0026] 3. Pour the oxide powder obtained in step 2 into a cru...

Embodiment 2

[0031] In this example, the electrolyte membrane material is prepared by adding dopants after the reaction process, and the preparation method is as follows:

[0032] 1. Add Sm(NO 3 ) 3 ·6H 2 O and Ce(NO 3 ) 3 ·6H 2 O is mixed according to the molar ratio of 1:9, then add glycine (C 2 h 5 NO 2 ) powder, in which total metal ions and C 2 h 5 NO 2 The molar ratio is 1:3. After adding an appropriate amount of deionized water, ultrasonically oscillate for 20 minutes, and stir continuously at room temperature. After complete dissolution, a clear light yellow mixed solution is obtained. The total metal ion concentration in the mixed solution is 0.05mol / L.

[0033] 2. Pour the mixed solution into a crucible vessel, and stir continuously at 250°C until the water in the solution evaporates to form a colloid, and then the colloid undergoes a violent combustion reaction to produce a fluffy, foamy fine oxide powder.

[0034] 3. Pour the oxide powder obtained in step 2 into a cr...

Embodiment 3

[0039] In this example, the electrolyte membrane material is prepared by adding dopants after the reaction process, and the preparation method is as follows:

[0040] 1. Add Sm(NO 3 ) 3 ·6H 2 O and Ce(NO 3 ) 3 ·6H 2 O is mixed according to the molar ratio of 1:2.33, then add glycine (C 2 h 5 NO 2 ) powder, in which total metal ions and C 2 h 5 NO 2 The molar ratio is 1:4. After adding an appropriate amount of deionized water, ultrasonically oscillate for 20 minutes, and stir continuously at room temperature. After complete dissolution, a clear light yellow mixed solution is obtained. The total metal ion concentration in the mixed solution is 0.2mol / L.

[0041] 2. Pour the mixed solution into a crucible vessel, and stir continuously at 250°C until the water in the solution evaporates to form a colloid, and then the colloid undergoes a violent combustion reaction to produce fluffy foamy fine oxide powder.

[0042] 3. Pour the oxide powder obtained in step 2 into a cru...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
thicknessaaaaaaaaaa
electrical conductivityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a method for preparing an electrolyte membrane material in a medium-low temperature solid oxide fuel cell. The compactness of SDC is improved by doping MXene in the process of preparing the electrolyte membrane, thereby improving its electrolyte performance. The present invention adopts the composite electrolyte of MXene doped SDC to effectively reduce the application temperature of SDC electrolyte to below 600°C, and can greatly improve its electrical conductivity. The development of modernization has certain practical value.

Description

technical field [0001] The invention relates to a method for preparing an electrolyte membrane material in a medium-low temperature solid oxide fuel cell, and belongs to the technical field of new energy solid oxide fuel cells. Background technique [0002] As a new type of energy generation technology, solid oxide fuel cell (SOFC) has developed rapidly since the 1980s. Sm with more traditional research 2 o 3 Doped CeO 2 The best battery performance temperature of (SDC) electrolyte is around 800°C, which brings great difficulties to the selection and preparation of the battery accessories. If the operating temperature of the battery is lowered to a low temperature (400-600°C), a series of problems caused by high temperature operation can be avoided. Therefore, medium and low temperature solid oxide fuel cell electrolyte materials have become an important development trend of SOFC research. Contents of the invention [0003] The present invention aims to provide a meth...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/1016
CPCH01M8/1016Y02E60/50
Inventor 徐晨曦冼泓熙张小乐程继贵翟华范婵婵张鹏
Owner HEFEI UNIV OF TECH