Thermochemical splitting of CO2 using solution combustion synthesized lanthanum–strontium–manganese perovskites

Gorakshnath Takalkar; Rahul R. Bhosale; Fares AlMomani; Suliman Rashid; Hazim Qiblawey; Mohammed Ali Saleh Saad; Majeda Khraisheh; Gopalakrishnan Kumar; Ram B. Gupta; Rajesh V. Shende

doi:10.1016/j.fuel.2020.119154

Thermochemical splitting of CO₂ using solution combustion synthesized lanthanum–strontium–manganese perovskites

Gorakshnath Takalkar, Rahul R. Bhosale, Fares AlMomani, Suliman Rashid, Hazim Qiblawey, Mohammed Ali Saleh Saad, Majeda Khraisheh, Gopalakrishnan Kumar, Ram B. Gupta, Rajesh V. Shende

Department of Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Redox reactivity of La_(1-x)Sr_xMnO₃ (LSM) perovskites towards a solar thermochemical CO₂ splitting (CS) cycle is investigated. The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine as the reducing agent. Multiple analytical techniques are used for the structural characterization of the LSM perovskites. Thermogravimetric thermal reduction (TR) and CS cycles (in three sets: one, three and ten cycles) are conducted to estimate the amounts of O₂ released (n_O₂) and CO produced (n_CO) by each LSM perovskite. Higher n_O₂ by each LSM perovskite, as compared to the n_CO during the first cycle. The n_O₂ is decreased, and the re-oxidation capacity of each LSM perovskite is improved from cycle one to three. In terms of the average n_O₂ and n_CO from cycle 2 to cycle 10, the La_0.60Sr_0.41Mn_0.99O_2.993 (214.8 μmol of O₂/g·cycle) and La_0.30Sr_0.70Mn_0.99O_2.982 perovskites (342.1 μmol of CO/g·cycle) are observed to have the uppermost redox reactivity. The redox reactivity of all the LSM perovskites (except for La_0.88Sr_0.11Mn_1.00O_2.980) is recorded to be higher than that of the widely studied CeO₂ material.

Original language	English
Article number	119154
Journal	Fuel
Volume	285
DOIs	https://doi.org/10.1016/j.fuel.2020.119154
Publication status	Published - 2021 Feb 1

Bibliographical note

Funding Information:
Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant (NPRP8-370-2-154) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s).

Funding Information:
Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant ( NPRP8-370-2-154 ) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s).

Publisher Copyright:
© 2020 The Authors

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Fuel Technology
Energy Engineering and Power Technology
Organic Chemistry

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10.1016/j.fuel.2020.119154

Cite this

@article{50b18b723df94ef091ddbf3605c1d10b,

title = "Thermochemical splitting of CO2 using solution combustion synthesized lanthanum–strontium–manganese perovskites",

abstract = "Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine as the reducing agent. Multiple analytical techniques are used for the structural characterization of the LSM perovskites. Thermogravimetric thermal reduction (TR) and CS cycles (in three sets: one, three and ten cycles) are conducted to estimate the amounts of O2 released (nO2) and CO produced (nCO) by each LSM perovskite. Higher nO2 by each LSM perovskite, as compared to the nCO during the first cycle. The nO2 is decreased, and the re-oxidation capacity of each LSM perovskite is improved from cycle one to three. In terms of the average nO2 and nCO from cycle 2 to cycle 10, the La0.60Sr0.41Mn0.99O2.993 (214.8 μmol of O2/g·cycle) and La0.30Sr0.70Mn0.99O2.982 perovskites (342.1 μmol of CO/g·cycle) are observed to have the uppermost redox reactivity. The redox reactivity of all the LSM perovskites (except for La0.88Sr0.11Mn1.00O2.980) is recorded to be higher than that of the widely studied CeO2 material.",

author = "Gorakshnath Takalkar and Bhosale, {Rahul R.} and Fares AlMomani and Suliman Rashid and Hazim Qiblawey and {Saleh Saad}, {Mohammed Ali} and Majeda Khraisheh and Gopalakrishnan Kumar and Gupta, {Ram B.} and Shende, {Rajesh V.}",

note = "Funding Information: Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant (NPRP8-370-2-154) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s). Funding Information: Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant ( NPRP8-370-2-154 ) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s). Publisher Copyright: {\textcopyright} 2020 The Authors",

year = "2021",

month = feb,

day = "1",

doi = "10.1016/j.fuel.2020.119154",

language = "English",

volume = "285",

journal = "Fuel",

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T1 - Thermochemical splitting of CO2 using solution combustion synthesized lanthanum–strontium–manganese perovskites

AU - Takalkar, Gorakshnath

AU - Bhosale, Rahul R.

AU - AlMomani, Fares

AU - Rashid, Suliman

AU - Qiblawey, Hazim

AU - Saleh Saad, Mohammed Ali

AU - Khraisheh, Majeda

AU - Kumar, Gopalakrishnan

AU - Gupta, Ram B.

AU - Shende, Rajesh V.

N1 - Funding Information: Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant (NPRP8-370-2-154) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s). Funding Information: Open Access funding provided by the Qatar National Library. This publication was made possible by the NPRP grant ( NPRP8-370-2-154 ) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s). Publisher Copyright: © 2020 The Authors

PY - 2021/2/1

Y1 - 2021/2/1

N2 - Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine as the reducing agent. Multiple analytical techniques are used for the structural characterization of the LSM perovskites. Thermogravimetric thermal reduction (TR) and CS cycles (in three sets: one, three and ten cycles) are conducted to estimate the amounts of O2 released (nO2) and CO produced (nCO) by each LSM perovskite. Higher nO2 by each LSM perovskite, as compared to the nCO during the first cycle. The nO2 is decreased, and the re-oxidation capacity of each LSM perovskite is improved from cycle one to three. In terms of the average nO2 and nCO from cycle 2 to cycle 10, the La0.60Sr0.41Mn0.99O2.993 (214.8 μmol of O2/g·cycle) and La0.30Sr0.70Mn0.99O2.982 perovskites (342.1 μmol of CO/g·cycle) are observed to have the uppermost redox reactivity. The redox reactivity of all the LSM perovskites (except for La0.88Sr0.11Mn1.00O2.980) is recorded to be higher than that of the widely studied CeO2 material.

AB - Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine as the reducing agent. Multiple analytical techniques are used for the structural characterization of the LSM perovskites. Thermogravimetric thermal reduction (TR) and CS cycles (in three sets: one, three and ten cycles) are conducted to estimate the amounts of O2 released (nO2) and CO produced (nCO) by each LSM perovskite. Higher nO2 by each LSM perovskite, as compared to the nCO during the first cycle. The nO2 is decreased, and the re-oxidation capacity of each LSM perovskite is improved from cycle one to three. In terms of the average nO2 and nCO from cycle 2 to cycle 10, the La0.60Sr0.41Mn0.99O2.993 (214.8 μmol of O2/g·cycle) and La0.30Sr0.70Mn0.99O2.982 perovskites (342.1 μmol of CO/g·cycle) are observed to have the uppermost redox reactivity. The redox reactivity of all the LSM perovskites (except for La0.88Sr0.11Mn1.00O2.980) is recorded to be higher than that of the widely studied CeO2 material.

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