Catalytic soot combustion performance of core-shell Co3O4@MnOx monolithic catalyst

XU Dawei; ZHANG Jialin; GAO Yue; LI Xingang

doi:10.19906/j.cnki.JFCT.2023057

Volume 52 Issue 2

Feb. 2024

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Article Navigation > Journal of Fuel Chemistry and Technology > 2024 > 52(2): 184-194

XU Dawei, ZHANG Jialin, GAO Yue, LI Xingang. Catalytic soot combustion performance of core-shell Co3O4@MnOx monolithic catalyst[J]. Journal of Fuel Chemistry and Technology, 2024, 52(2): 184-194. doi: 10.19906/j.cnki.JFCT.2023057

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XU Dawei, ZHANG Jialin, GAO Yue, LI Xingang. Catalytic soot combustion performance of core-shell Co₃O₄@MnO_x monolithic catalyst[J]. Journal of Fuel Chemistry and Technology, 2024, 52(2): 184-194. doi: 10.19906/j.cnki.JFCT.2023057

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Catalytic soot combustion performance of core-shell Co₃O₄@MnO_x monolithic catalyst

doi: 10.19906/j.cnki.JFCT.2023057

State Key Laboratory of Chemical Engineering, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Applied Catalysis Science and Engineering, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300354, China

Funds: The project was supported by National Natural Science Foundation of China (21878213)

Received Date: 2023-06-25
Accepted Date: 2023-07-03
Rev Recd Date: 2023-07-01

Available Online: 2023-09-01

Publish Date: 2024-02-02

Abstract

Abstract

The Co₃O₄@MnO_x monolithic catalyst with nanorod morphology was synthesized on nickel foam by a two-step hydrothermal process and characterized by XRD, EDS-mapping, H₂-TPR, XPS, Raman and Soot-TPR. The catalytic soot combustion activities of the catalysts were investigated in a fixed-bed micro-reactor and the intrinsic activities of the catalysts were investigated by the isothermal kinetic experiments. The results reveal that the Co₃O₄@MnO_x catalyst shows a core-shell structure with Co₃O₄ as the core and MnO_x as the shell. Compared with Co-NW, there exist more high-valent state species of Mn⁴⁺ and Mn³⁺ and oxygen vacancies on the Co₃O₄@MnO_x catalyst surface due to the interaction between Co₃O₄ and MnO_x, which improve the redox performance of Co₃O₄@MnO_x. Compared with Co-NW, the active oxygen species amount of Co₃O₄@MnO_x is increased by two times, and Co₃O₄@MnO_x shows enhanced activity, which lowers the ignition temperature by 148 ℃ in the presence of NO. Also, compared with Co-NW, Co₃O₄@MnO_x decreases the activation energy of soot combustion reaction from 113.6 to 102.2 kJ/mol, and its intrinsic activity is increased by two times.
- soot combustion,
- cobalt and manganese oxides,
- monolithic catalysts,
- core-shell structure

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References(41)

References

[1]	王磊, 曹春梅, 邢令利, 等. 锰铈相互作用对催化碳烟燃烧性能的影响[J]. 化学工业与工程,2018,35(4):32−37. doi: 10.13353/j.issn.1004.9533.20161063 WANG Lei, CAO Chunmei, XING Lingli, et al. The effect of manganese/cerium interactions in catalytic soot combustion[J]. Chem Ind Eng,2018,35(4):32−37. doi: 10.13353/j.issn.1004.9533.20161063
[2]	PENG C, YU D, ZHANG C, et al. Alkali/alkaline-earth metal-modified MnO_x supported on three-dimensionally ordered macroporous-mesoporous Ti_xSi_1-xO₂ catalysts: Preparation and catalytic performance for soot combustion[J]. J Environ Sci,2023,125:82−94. doi: 10.1016/j.jes.2021.10.029
[3]	DHAL G C, MOHAN D, PRASAD R. Preparation and application of effective different catalysts for simultaneous control of diesel soot and NO_x emissions: An overview[J]. Catal Sci Technol,2017,7(9):1803−1825. doi: 10.1039/C6CY02612E
[4]	REN W, DING T, YANG Y X, et al. Identifying oxygen activation/oxidation sites for efficient soot combustion over silver catalysts interacted with nanoflower-like hydrotalcite-derived CoAlO metal oxides[J]. ACS Catal,2019,9(9):8772−8784. doi: 10.1021/acscatal.9b01897
[5]	YU Q, XIONG J, LI Z, et al. Optimal exposed crystal facets of α-Mn₂O₃ catalysts with enhancing catalytic performance for soot combustion[J]. Catal Today,2021,376:229−238. doi: 10.1016/j.cattod.2020.05.039
[6]	PENG R, LI S, SUN X, et al. Size effect of Pt nanoparticles on the catalytic oxidation of toluene over Pt/CeO₂ catalysts[J]. Appl Catal B: Environ,2018,220:462−470. doi: 10.1016/j.apcatb.2017.07.048
[7]	LEE J H, JO D Y, CHOUNG J W, et al. Roles of noble metals (M=Ag, Au, Pd, Pt and Rh) on CeO₂ in enhancing activity toward soot oxidation: Active oxygen species and DFT calculations[J]. J Haz Mater,2021,403:124085. doi: 10.1016/j.jhazmat.2020.124085
[8]	RONG S P, ZHANG P Y, LIU F, et al. Engineering crystal facet of α-MnO₂ nanowire for highly efficient catalytic oxidation of carcinogenic airborne formaldehyde[J]. ACS Catal,2018,8:3435−3446. doi: 10.1021/acscatal.8b00456
[9]	LEGUTKO P, STELMACHOWSKI P, YU X H, et al. Catalytic soot combustion-general concepts and alkali promotion[J]. ACS Catal,2023,13:3395−3418. doi: 10.1021/acscatal.2c05994
[10]	ZHAI G J, WANG J G, CHEN Z M, et al. Boosting soot combustion efficiency of Co₃O₄ nanocrystals via tailoring crystal facets[J]. Chem Eng J,2018,337:488−498. doi: 10.1016/j.cej.2017.12.141
[11]	CHENG L, MEN Y, WANG J G, et al. Crystal facet-dependent reactivity of α-Mn₂O₃ microcrystalline catalyst for soot combustion[J]. Appl Catal B: Environ,2017,204:374−384. doi: 10.1016/j.apcatb.2016.11.041
[12]	CAO C M, YANG H, XIAO J Y, et al. Catalytic diesel soot elimination over potassium promoted transition metal oxide (Co/Mn/Fe) nanosheets monolithic catalysts[J]. Fuel,2021,305(9):121446.
[13]	YU Y F, MENG M, DAI F F. The monolithic lawn-like CuO-based nanorods array used for diesel soot combustion under gravitational contact mode[J]. Nanoscale,2013,5(3):904−909. doi: 10.1039/C2NR33269H
[14]	ZHAO P, FENG N J, FANG F, et al. Surface acid etching for efficient anchoring of potassium on 3DOM La_0.8Sr_0.2MnO₃ catalyst: An integration strategy for boosting soot and NO_x simultaneous elimination[J]. J Haz Mater,2021,409:124916.
[15]	XING L L, YANG Y X, CAO C M, et al. Decorating CeO₂ nanoparticles on Mn₂O₃ nanosheets to improve catalytic soot combustion[J]. ACS Sustainable Chem Eng,2018,6(12):16544−16554. doi: 10.1021/acssuschemeng.8b03645
[16]	CAO C M, XING L L, YANG Y X, et al. Diesel soot elimination over potassium-promoted Co₃O₄ nanowires monolithic catalysts under gravitation contact mode[J]. Appl Catal B: Environ,2017,218:32−45. doi: 10.1016/j.apcatb.2017.06.035
[17]	ZHAO Y, HU L F, ZHAO S Y, et al. Preparation of MnCo₂O₄@Ni(OH)₂ core-shell flowers for asymmetric supercapacitor materials with ultrahigh specific capacitance[J]. Adv Funct Mater,2016,26(23):4085−4093. doi: 10.1002/adfm.201600494
[18]	XU K B, ZOU R J, LI W Y, et al. Design and synthesis of 3D interconnected mesoporous NiCo₂O₄@Co_xNi_1-x(OH)₂ core-shell nanosheet arrays with large areal capacitance and high rate performance for supercapacitors[J]. J Mater Chem A,2014,2(26):10090−10097. doi: 10.1039/c4ta01489h
[19]	KONG D Z, LUO J S, WANG Y L, et al. Three-dimensional Co₃O₄@MnO₂ hierarchical nanoneedle arrays: Morphology control and electrochemical energy storage[J]. Adv Funct Mater,2014,24(24):3815−3826. doi: 10.1002/adfm.201304206
[20]	ZHANG Z L, ZHANG Y X, WANG Z P, et al. Catalytic performance and mechanism of potassium-promoted Mg-Al hydrotalcite mixed oxides for soot combustion with O₂[J]. J Catal,2010,271(1):12−21. doi: 10.1016/j.jcat.2010.01.022
[21]	SHANG Z, SUN M, CHE X, et al. The existing states of potassium species in K-doped Co₃O₄ catalysts and their influence on the activities for NO and soot oxidation[J]. Catal Sci Technol,2017,7(20):4710−4719. doi: 10.1039/C7CY01444A
[22]	YU X H, LI J M, WEI Y C, et al. Three dimensionally ordered macroporous Mn_xCe_1–xO_δ and Pt/Mn_0.5Ce_0.5O_δ catalysts: Synthesis and catalytic performance for soot oxidation[J]. Ind Eng Chem Res,2014,53(23):9653−9664. doi: 10.1021/ie500666m
[23]	JI F, MEN Y, WANG J G, et al. Promoting diesel soot combustion efficiency by tailoring the shapes and crystal facets of nanoscale Mn₃O₄[J]. Appl Catal B: Environ,2018,242:227−237.
[24]	YU X H, ZHAO Z, WEI Y C, et al. Ordered micro/macro porous K-OMS-2/SiO₂ nanocatalysts: Facile synthesis, low cost and high catalytic activity for diesel soot combustion[J]. Sci Rep,2017,7:43894. doi: 10.1038/srep43894
[25]	FENG N J, CHEN C, MENG J, et al. K-Mn supported on three-dimensionally ordered macroporous La_0.8Ce_0.2FeO₃ catalysts for the catalytic combustion of soot[J]. Appl Surf Sci,2017,399:114−122. doi: 10.1016/j.apsusc.2016.12.066
[26]	XIONG J, WU Q Q, MEI X L, et al. Fabrication of spinel-type Pd_xCo_3-xO₄ binary active sites on 3D ordered meso-macroporous Ce-ZrO₂ with enhanced activity for catalytic soot oxidation[J]. ACS Catal,2018,8(9):7915−7930. doi: 10.1021/acscatal.8b01924
[27]	CAO C M, LI X G, ZHA Y Q, et al. Crossed ferric oxide nanosheets supported cobalt oxide on 3-dimensional macroporous Ni foam substrate used for diesel soot elimination under self-capture contact mode[J]. Nanoscale,2016,8(11):5857−5864. doi: 10.1039/C5NR05310B
[28]	ZHAO S, HU F Y, LI J H. Hierarchical core-shell Al₂O₃@Pd-CoAlO microspheres for low-temperature toluene combustion[J]. ACS Catal,2016,6:3433−3441. doi: 10.1021/acscatal.6b00144
[29]	LIU Y, XU J, LI H R, et al. Rational design and in situ fabrication of MnO₂@NiCo₂O₄ nanowire arrays on Ni foam as high-performance monolith de-NO_x catalysts[J]. J Mater Chem A,2015,3:11543−11553. doi: 10.1039/C5TA01212K
[30]	WANG C L, WANG D D, YANG Y, et al. Enhanced CO oxidation on CeO₂/Co₃O₄ nanojunctions derived from annealing of metal organic frameworks[J]. Nanoscale,2016,8(47):19761−19768. doi: 10.1039/C6NR07725K
[31]	JIANG M, ABUSHRENTA N, Wu X C, et al. Investigation for the synthesis of hierarchical Co₃O₄@MnO₂ nanoarrays materials and their application for super-capacitor[J]. J Mater Sci: Mater Electron,2017,28:1281−1287. doi: 10.1007/s10854-016-5656-1
[32]	FEDYNA M, LEGUTKO P, GRYBOS J, et al. Multiple doping of cryptomelane catalysts by Co, Cu, Ag and Ca for efficient soot oxidation and its effect on NO₂ formation and SO₂ resistance[J]. Fuel,2023,348:128553. doi: 10.1016/j.fuel.2023.128553
[33]	DAI W Y, LI Z H, LI C C, et al. Revealing the effects of preparation methods over Ce-MnO_x catalysts for soot combustion: Physicochemical properties and catalytic performance[J]. J Ind Eng Chem,2023,121:15−26. doi: 10.1016/j.jiec.2023.01.013
[34]	MANE R, KIM H, HAN K, et al. Pivotal role of MnO_x physicochemical structure in soot oxidation activity[J]. Fuel,2023,346:128287. doi: 10.1016/j.fuel.2023.128287
[35]	TANG W X, XIAO W, Wang S B, et al. Boosting catalytic propane oxidation over PGM-free Co₃O₄ nanocrystal aggregates through chemical leaching: A comparative study with Pt and Pd based catalysts[J]. Appl Catal B: Environ,2018,226:585−595. doi: 10.1016/j.apcatb.2017.12.075
[36]	ZHU Z Z, LU G Z, ZHANG Z G, et al. Highly active and stable Co₃O₄/ZSM-5 catalyst for propane oxidation: Effect of the preparation method[J]. ACS Catal,2013,3(6):1154−1164. doi: 10.1021/cs400068v
[37]	TANG W X, Wu X F, Li S D, et al. Porous Mn-Co mixed oxide nanorod as a novel catalyst with enhanced catalytic activity for removal of VOCs[J]. Catal Commun,2014,56:134−138. doi: 10.1016/j.catcom.2014.07.023
[38]	ZHAO S, LI K Z, JIANG S, et al. Pd-Co based spinel oxides derived from Pd nanoparticles immobilized on layered double hydroxides for toluene combustion[J]. Appl Catal B: Environ,2016,181:236−248. doi: 10.1016/j.apcatb.2015.08.001
[39]	ZHAO K, LI J M, WANG L Y, et al. Preparation of cordierite monolith catalysts with the coating of K-modified spinel MnCo₂O₄ oxide and their catalytic performances for soot combustion[J]. Catalysts,2022,12(3):295. doi: 10.3390/catal12030295
[40]	GAO Q, RANJAN C, PAVLOVIC Z, et al. Enhancement of stability and activity of MnO_x/Au electrocatalysts for oxygen evolution through adequate electrolyte composition[J]. ACS Catal,2015,5:7265−7275. doi: 10.1021/acscatal.5b01632
[41]	HONG F, YUE B B, HIRAO N, et al. Significant improvement in Mn₂O₃ transition metal oxide electrical conductivity via high pressure[J]. Nature,2017,7:1−7.