Study on Cr2O3-Al2O3 sensitive materials for CH4 gas

GUO Ying1; XU Ling2; CHENG Ying-guo2; LI Zhen-ren2

doi:10.13873/j.1000-97872009.08.004

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Study on Cr₂O₃-Al₂O₃ sensitive materials for CH₄ gas

更新时间：2025-09-11

- Study on Cr₂O₃-Al₂O₃ sensitive materials for CH₄ gas
- Vol. 28, Issue 8, Pages: 39-42(2009)
- 作者机构：
  
  1. 黑龙江省政务信息化管理服务中心
  2. 中国电子科技集团公司第四十九研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.08.004
  CLC： TB381
- Published：2009
- 稿件说明：
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[1]郭迎,徐凌,程迎国,李振仁.Cr_2O_3-Al_2O_3甲烷敏感材料的研究[J].传感器与微系统,2009,28(08):39-42.

GUO Ying1, XU Ling2, CHENG Ying-guo2, et al. Study on Cr₂O₃-Al₂O₃ sensitive materials for CH₄ gas[J]. 2009, 28(8): 39-42.
[1]郭迎,徐凌,程迎国,李振仁.Cr_2O_3-Al_2O_3甲烷敏感材料的研究[J].传感器与微系统,2009,28(08):39-42. DOI： 10.13873/j.1000-97872009.08.004.

GUO Ying1, XU Ling2, CHENG Ying-guo2, et al. Study on Cr₂O₃-Al₂O₃ sensitive materials for CH₄ gas[J]. 2009, 28(8): 39-42. DOI： 10.13873/j.1000-97872009.08.004.

摘要

采用室温固相合成法制备了不同含量的Cr2O3-Al2O3系列敏感材料

试验研究了Cr2O3催化剂含量和焙烧温度对甲烷气体催化活性的影响

并考察了甲烷传感器灵敏度大小和敏感材料的长期稳定性。结果表明:该法制备的Cr2O3-Al2O3系列敏感材料具有较好的低温催化活性

且随Cr2O3含量的增加

催化剂的低温活性增强。综合考虑敏感材料的催化活性、灵敏度和稳定性

400℃焙烧制备的Cr2O3含量为30%的Cr2O3-Al2O3敏感材料对甲烷低温催化燃烧有较好的催化性能。

Abstract

A series of Cr2O3-Al2O3 sensitive materials are prepared via solid-state reaction.The Influence of Cr2O3 catalytic contents and baked temperature on catalytic performance are studied.In addition

the size of sensitivity and the long-term stability of sensitive materials are investigated.The results show that the sensitive materials with higher Cr2O3 contents have higher catalytic activity in low temperature.Considering catalytic activity

sensitivity and the long-term stability of sensitive materials

the 30% Cr2O3-Al2O3 baked at 400℃ is found to be the best sensitive materials for methane low temperature catalytic reaction.

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references

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