Metal oxide redox chemistry for chemical looping processes

L Zeng, Z Cheng, JA Fan, LS Fan, J Gong - Nature Reviews Chemistry, 2018 - nature.com
Chemical looping offers a versatile platform to convert fuels and oxidizers in a clean and
efficient manner. Central to this technology are metal oxide materials that can oxidize fuels …

Nanoscaled oxygen carrier-driven chemical looping for carbon neutrality: opportunities and challenges

AA Sunny, Q Meng, S Kumar, R Joshi… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Climate change poses unprecedented challenges, demanding efforts toward
innovative solutions. Amid these efforts, chemical looping stands out as a promising …

Enhanced Lattice Oxygen Reactivity over Ni-Modified WO3-Based Redox Catalysts for Chemical Looping Partial Oxidation of Methane

S Chen, L Zeng, H Tian, X Li, J Gong - ACS Catalysis, 2017 - ACS Publications
Partially oxidizing methane into syngas via a two-step chemical looping scheme is a
promising option for methane transformation. Providing the optimum lattice oxygen to …

[HTML][HTML] New insight into the development of oxygen carrier materials for chemical looping systems

Z Cheng, L Qin, JA Fan, LS Fan - Engineering, 2018 - Elsevier
Chemical looping combustion (CLC) and chemical looping reforming (CLR) are innovative
technologies for clean and efficient hydrocarbon conversion into power, fuels, and …

Chemically and physically robust, commercially-viable iron-based composite oxygen carriers sustainable over 3000 redox cycles at high temperatures for chemical …

C Chung, L Qin, V Shah, LS Fan - Energy & Environmental Science, 2017 - pubs.rsc.org
High attrition of oxygen carriers from ionic diffusion induced morphological changes is one
of the most serious obstacles inhibiting commercialization of chemical looping processes. By …

Insights into the relationship between microstructural evolution and deactivation of Al2O3 supported Fe2O3 oxygen carrier in chemical looping combustion

Z Ma, S Zhang, R Xiao - Energy Conversion and Management, 2019 - Elsevier
Abstract The Fe 2 O 3-Al 2 O 3 oxygen carrier is regarded to a promising candidate for
chemical looping combustion (CLC). However, Fe 2 O 3-Al 2 O 3 oxygen carrier was often …

Impact of 1% lanthanum dopant on carbonaceous fuel redox reactions with an iron-based oxygen carrier in chemical looping processes

L Qin, Z Cheng, M Guo, M Xu, JA Fan… - ACS Energy …, 2017 - ACS Publications
The cyclic redox reactivity of metal oxides plays an important role in many energy fields such
as fuel cells, photocatalysis, and chemical looping. In chemical looping systems, oxygen …

Facile and green sculptured engineering of 3D hierarchical porous metals via gaseous oxidation-reduction and their use in efficient oxygen evolution reactions

S Wang, Z Wang, Z Wang, W Lü, Y Guo, H Chen, Z Liu… - Nano Energy, 2024 - Elsevier
Hierarchical porous metals (HPMs) are advanced functional materials used in various
applications. However, the current fabrication methods require extra sacrificial materials and …

Micro-structure change and crystal-structure modulated of oxygen carriers for chemical looping: Controlling local chemical environment of lattice oxygen

D Song, T Long, C Li, Y Li, M Fan, Y Lu, Y Zhou… - Fuel, 2024 - Elsevier
Chemical looping conversion shows great potential in the renewable energy sector. The
successful execution of chemical looping conversions relies heavily on oxygen carrier …

[HTML][HTML] Understanding the structural changes on Fe2O3/Al2O3 oxygen carriers under chemical looping gasification conditions

I Samprón, F García-Labiano, MT Izquierdo… - Fuel, 2024 - Elsevier
Abstract Chemical Looping Gasification (CLG) has emerged recently as a promising
technology for producing non N 2-diluted syngas without the need for an external power …