LaMn1-<italic style="font-style: italic">x</italic>-<italic style="font-style: italic">y</italic>Fe<italic style="font-style: italic">x</italic>Co<italic style="font-style: italic">y</italic>O3-<italic style="font-style: italic">δ</italic>钙钛矿载氧体用于化学链部分氧化

苏迎辉; 郑浩; 张磊; 曾亮

doi:10.11949/0438-1157.20200158

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LaMn_1-_x_-_yFe_xCo_yO_3-_δ钙钛矿载氧体用于化学链部分氧化

能源和环境工程 | 更新时间：2026-07-24

- LaMn_1-_x_-_yFe_xCo_yO_3-_δ钙钛矿载氧体用于化学链部分氧化
- LaMn_1-_x_-_yFe_xCo_yO_3-_δ perovskite based oxygen carriers for chemical looping partial oxidation
- 化工学报 2020年71卷第11期页码：5265-5277
- 作者机构：
  
  1.天津大学化工学院，绿色合成与转化教育部重点实验室，天津 300072
  2.佛山（华南）新材料研究院，广东佛山 528000
- 作者简介：
  
  苏迎辉(1992—)，男，硕士研究生，1606662173@qq.com
  郑浩(1996—)，男，硕士研究生，zhengh@tju.edu.cn
  张磊(1982—)，男，博士，副教授，zll@tju.edu.cn
  曾亮(1983—)，男，博士，副教授，zengl@tju.edu.cn
- 基金信息：
  
  国家重点研发计划项目(2018YFB0605405);国家自然科学基金项目(U1663224);多相复杂系统国家重点实验室开放基金项目(MPCS2019D05)
- DOI：10.11949/0438-1157.20200158
  中图分类号： TQ 028.8
- 收稿：2020-02-18，
  
  修回：2020-06-21，
  
  网络首发：2020-11-03，
  
  纸质出版：2020-11-05
- 稿件说明：
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苏迎辉, 郑浩, 张磊, 曾亮. LaMn_1-_x_-_yFe_xCo_yO_3-_δ钙钛矿载氧体用于化学链部分氧化[J]. 化工学报, 2020, 71(11): 5265-5277 DOI: 10.11949/0438-1157.20200158.

SU Yinghui, ZHENG Hao, ZHANG Lei, ZENG Liang. LaMn_1-_x_-_yFe_xCo_yO_3-_δ perovskite based oxygen carriers for chemical looping partial oxidation[J]. CIESC Journal, 2020, 71(11): 5265-5277 DOI: 10.11949/0438-1157.20200158.
苏迎辉, 郑浩, 张磊, 曾亮. LaMn_1-_x_-_yFe_xCo_yO_3-_δ钙钛矿载氧体用于化学链部分氧化[J]. 化工学报, 2020, 71(11): 5265-5277 DOI: 10.11949/0438-1157.20200158. DOI：

SU Yinghui, ZHENG Hao, ZHANG Lei, ZENG Liang. LaMn_1-_x_-_yFe_xCo_yO_3-_δ perovskite based oxygen carriers for chemical looping partial oxidation[J]. CIESC Journal, 2020, 71(11): 5265-5277 DOI: 10.11949/0438-1157.20200158. DOI：

摘要

采用溶胶-凝胶法制备了B位Fe和Co共取代的LaMn

钙钛矿型复合氧化物，并用于化学链甲烷部分氧化制合成气。X射线衍射（XRD）结果表明Fe和Co均进入了LaMnO

的晶格形成钙钛矿晶相，活性和稳定性测试表明LaMn

1/3

载氧体具有最佳的化学链甲烷部分氧化性能。CH

程序升温还原（CH

-TPR）表征发现LaMn

1/3

具有比LaBO

（B=Co， Mn， Fe）更高的甲烷活化能力和晶格氧迁移性能。甲烷恒温脉冲反应（CH

-pulse reaction）进一步证实了B位离子的协同作用可以提高LaBO

（B=Co， Mn， Fe）的表面反应速率。程序升温氢气还原（H

-TPR）表明，LaMn

1/3

中晶格氧具有适中的氧化还原能力，适合用于化学链甲烷部分氧化。

Abstract

LaMn

perovskite-type composite oxides co-substituted with B-site Fe and Co were prepared by the sol-gel method

and used for the chemical looping partial oxidation of methane to syngas. The XRD results suggest that Fe and Co were incorporated into the lattice of LaMnO

and formed perovskite phase. Reactivity and stability tests show that LaMn

1/3

oxygen carrier has the best reaction performance. CH

-TPR results indicate that LaMn

1/3

has higher methane activation and lattice oxygen migration rates than those of LaBO

(B=Co

Fe). CH

-pulse reaction further

confirms that the synergistic effect of B-site ion substitution can improve the surface reaction rate of LaBO

(B=Co

Fe). H

-TPR results show that the lattice oxygen in LaMn

1/3

has moderate redox capacity

which is suitable for partial oxidation of methane.

关键词

Keywords

references

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DOI：10.11949/0438-1157.20200158

摘要

Abstract

关键词

Keywords

references

LaMn_1-_x_-_yFe_xCo_yO_3-_δ钙钛矿载氧体用于化学链部分氧化

LaMn_1-_x_-_yFe_xCo_yO_3-_δ perovskite based oxygen carriers for chemical looping partial oxidation