钙和铁共掺杂PrBaCo2O5+δ作为固体氧化物燃料电池阴极的研究

doi:10.3969/j.issn.2097-0706.2024.07.006

综合智慧能源 ›› 2024, Vol. 46 ›› Issue (7): 47-52.doi: 10.3969/j.issn.2097-0706.2024.07.006

钙和铁共掺杂PrBaCo₂O₅₊_δ作为固体氧化物燃料电池阴极的研究

杨磊¹(), 王睿¹(), 马丽丽¹(), 孙宁²(), 李雪莲²(), 陈婷²^,^*(), 王绍荣²^,³^,^*(), 史彩霞³^,^*()

1.中广核风电有限公司，北京 100070
2.中国矿业大学，江苏徐州 221116
3.徐州普罗顿氢能储能产业研究院有限公司，江苏徐州 221400

收稿日期:2024-03-22 修回日期:2024-05-24 出版日期:2024-07-25
通讯作者: 史彩霞（1994），女，工程师，从事固体氧化物燃料电池（堆）的开发与研究，shicaixia0326@163.com。
王绍荣（1964），男，教授，博士，从事固体氧化物燃料电池片、电堆及系统的开发与研究，srwang@cumt.edu.cn；
* 陈婷（1989），女，讲师，博士，从事固体氧化物燃料电池的理论研究，chenting@cumt.edu.cn；
作者简介:杨磊（1987），男，工程师，从事风电光伏制氢技术与装备研究，379247828@qq.com；
王睿（1986），男，高级工程师，从事可再生能源制氢与应用技术的研究，422147503@qq.com；
马丽丽（1986），女，工程师，从事可再生能源制氢与应用技术的研究，culater@live.cn；
孙宁（1994），男，博士生，从事固体氧化物燃料电池的理论研究，819975830@qq.com；
李雪莲（1985），女，讲师，博士，从事固体氧化物燃料电池的理论研究，lb20040017@cumt.edu.cn。
基金资助:
中央高校基本科研业务费专项资金项目(2023KYJD1010)

Research on Ca and Fe co-doped PrBaCo₂O₅₊_δ as a cathode material of solid oxide fuel cells

YANG Lei¹(), WANG Rui¹(), MA Lili¹(), SUN Ning²(), LI Xuelian²(), CHEN Ting²^,^*(), WANG Shaorong²^,³^,^*(), SHI Caixia³^,^*()

1. CGN Wind Energy Company Limited， Beijing 100070， China
2. China University of Mining and Technology，Xuzhou 221116， China
3. Xuzhou Proton Hydrogen Energy Storage Research Institute Company Limited，Xuzhou 221400， China

Received:2024-03-22 Revised:2024-05-24 Published:2024-07-25
Supported by:
Special Fund for Basic Scientific Research of the Central Universities(2023KYJD1010)

摘要/Abstract

摘要：

固体氧化物燃料电池（SOFC）作为一种高效的能量转化装置，具有广阔的应用前景。阴极的反应动力学和稳定性在SOFC中具有非常重要的意义。采用固相法合成了具有四方相的双钙钛矿结构的PrBa_0.8Ca_0.2Co_1.5Fe_0.5O₅₊_δ（PBCCF）。Ca离子和Fe离子的掺杂有效降低了PrBaCo₂O₅₊_δ的热膨胀系数。结构为PBCCF|GDC|SSZ|GDC|PBCCF的对称半电池在800 ℃时的极化阻抗为 0.082 Ω·cm²，表明PBCCF阴极在电化学反应过程中具有较高的催化活性。将PBCCF作为阴极丝网印刷在NiO-YSZ|YSZ|GDC结构的半电池（其中NiO-YSZ阳极支撑体和YSZ为电解质通过流延-叠层热压法制成，Gd_0.2Ce_0.8O_1.9 （GDC）阻挡层通过丝网印刷法制成）上制备得到单电池，该电池在800 ^oC时的功率密度可达1.0 W/cm²。同时，单电池在60 h的短期稳定性测试中较为稳定。研究结果表明，PBCCF是一种非常有前景的SOFC阴极材料。

关键词: 固体氧化物燃料电池, 双钙钛矿, 阴极, 电化学性能

Abstract:

Solid oxide fuel cell （SOFC） is an efficient energy conversion device， which has demonstrated broad application prospects. The oxygen reduction reaction kinetics and stability of the cathode have been considered as two important factors of SOFC. Solid-state method is adopted to synthesize PrBa_0.8Ca_0.2Co_1.5Fe_0.5O₅₊_δ（PBCCF） with a tetragonal perovskite structure. The co-doping of Ca and Fe ions effectively reduces the thermal expansion coefficient of PrBaCo₂O₅₊_δ.The polarization resistance of a symmetrical half cell with a structure of PBCCF|GDC|SSZ|GDC|PBCCF at 800 ℃ is 0.082 Ω·cm²，indicating that the PBCCF cathode has high activity in the electrochemical reaction process. A single cell is prepared based on a NiO-YSZ|YSZ|GDC structured half cell with screen-printed PBCCF cathode filaments. And the half cell is composited by NiO-YSZ anode support and YSZ electrolyte through tape casting-lamellating hot pressing method， as well as screen-printed Gd_0.2Ce_0.8O_1.9（GDC）barrier layers. The power density of the single cell can reach 1.0 W/cm² at 800 ℃.In addition， the single cell also exhibits good short-term stability during the 60 h durability test. These results demonstrate that PBCCF is a very promising cathode material for SOFC.

Key words: solid oxide fuel cell, double perovskite, cathode, electrochemical performance

中图分类号:

TK02:TM911.4

杨磊, 王睿, 马丽丽, 孙宁, 李雪莲, 陈婷, 王绍荣, 史彩霞. 钙和铁共掺杂PrBaCo₂O₅₊_δ作为固体氧化物燃料电池阴极的研究[J]. 综合智慧能源, 2024, 46(7): 47-52.

YANG Lei, WANG Rui, MA Lili, SUN Ning, LI Xuelian, CHEN Ting, WANG Shaorong, SHI Caixia. Research on Ca and Fe co-doped PrBaCo₂O₅₊_δ as a cathode material of solid oxide fuel cells[J]. Integrated Intelligent Energy, 2024, 46(7): 47-52.

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钙和铁共掺杂PrBaCo₂O₅₊_δ作为固体氧化物燃料电池阴极的研究

Research on Ca and Fe co-doped PrBaCo₂O₅₊_δ as a cathode material of solid oxide fuel cells

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