Semantic Scholar extracted view of "Exsolution manipulated local surface cobalt/iron alloying and dealloying conversion in La0·95Fe0·8Co0·2O3 perovskite for oxygen evolution reaction" by Jiaojiao Ma et al.
In this work, a facile and universal thermal reduction method (750 C and N 2 atmosphere) is employed to convert the spent cobalt-based perovskites into high …
DOI: 10.1016/j.cej.2023.146301 Corpus ID: 263821873; Modulation of perovskite electronic configuration by cobalt doping for efficient catalysts in zinc-air battery electrodes
The results demonstrate that LaMn0.7 Co0.3 O3 is a promising cost-effective bifunctional catalyst with high performance in the ORR and OER for application in hybrid Li-O2 batteries. Perovskite-type oxides based on rare-earth metals containing lanthanum manganate are promising catalysts for the oxygen reduction reaction (ORR) …
Mineral requirements for clean energy transitions
The main goal of this study is to provide an overview of the recent progress in cobalt-free cathode materials development for IT-SOFCs. Efforts were dedicated to ensuring that the literature reviewed is recent (within the last 4yrs), and relevant to the current challenges limiting the wide use of cobalt-free cathode materials.
Copper/cobalt-doped perovskite oxide LaMn 0.8 M 0.2 O 3 (M = Cu, Co) composites are synthesized through gel combustion with urea as the chelating agent and fuel. Both LaMn 0.8 Cu 0.2 O 3 and LaMn 0.8 Co 0.2 O 3 exhibit better catalytic performances for OER and ORR than LaMnO 3 in alkaline media due to the abundance …
a, Architecture of the perovskite/silicon tandem solar cell that consists of an (FAPbI 3) 0.83 (MAPbBr 3) 0.17 top cell, a silicon bottom cell and a 100-nm gold bottom protection layer. ITO ...
Here, a series of cobalt/copper perovskites (Ca 0.8 Sr 0.2 Co 1–x Cu x O 3−δ (x = 0, 0.5, and 1)) were prepared. In our finding, copper with a larger electron affinity …
Using aqueous Zn–CO 2 batteries to store renewable energy and produce valuable chemicals using CO 2 as the source is a promising method for CO 2 mitigation, that is alternative to traditional energy-costing CO 2 capture/storage technologies. However, the lack of efficient CO 2-reduction catalysts significantly hinders the efficiency of such …
Recently, cobalt-based materials have become a research hotspot for oxygen electrocatalysts owing to their rich natural content, high catalytic activity, and stability. In …
Impact of copper and cobalt-based metal-organic framework materials on the performance and stability of hole-transfer layer (HTL)-free perovskite solar cells and carbon-based This article ...
DOI: 10.6023/a23020046 Corpus ID: 259396009; Preparation and High-performance Lithium-ion Storage of Cobalt-free Perovskite High-entropy Oxide Anode Materials @article{Yanggang2023PreparationAH, title={Preparation and High-performance Lithium-ion Storage of Cobalt-free Perovskite High-entropy Oxide Anode Materials}, author={Jia …
Developing highly efficient and stable multi-functional electrocatalysts is of prime importance for renewable energy technologies. Herein, a trifunctional electrocatalyst featuring CoP socketed on an oxygen deficient layered perovskite is synthesized through an in situ exsolution and an intriguing "post-growth" approach. As revealed by experimental …
Recently, many efforts and much attention has been paid to developing environmentally friendly energy. Solid oxide electrolyte cells (SOECs) process in reverse to solid oxide fuel cells (SOFCs) producing hydrogen gas as a green energy source. However, in this application, high-performance catalysts are usually required to overcome the …
Optical, electrochemical and photocatalytic properties of ...
Fig. 1 a shows the Rietveld-refined XRD pattern of the BLFZ powders. The XRD pattern indicated that the BLFZ sample had a single-phase cubic perovskite structure with Pm-3m space group. The obtained lattice constants were calculated at a = 4.0608 Å, which was slightly higher than that of BLF at 4.005 Å [24].The increase in lattice constant …
For example, perovskite oxides with appropriately tailored have been reported to display good catalytic performance in the presence of hydrocarbon fuels. Single perovskite oxides such as La 0.2 Sr 0.8 Ti O3+ δ (LST) [8], La 1− x Sr x Cr 1− x Fe x O 3− δ (LSCrF) [19], La 0.75 Sr 0.25 Cr 0.5 Mn 0.5 O 3− δ (LSCM) [20] have been ...
Herein, we propose a strategy for the in situ exsolution to prepare a novel adsorption-catalysis bifunctional heterostructure of strontium titanate perovskite and nanometal cobalt (STO@Co) as the highly efficient sulfur host (Fig. 1 a).The SrTiO 3-based perovskite that with high conductivity and electrochemical stability was chosen as the …
Cobalt-doped perovskite-type oxide LaMnO 3 as bifunctional oxygen catalysts for hybrid lithium–oxygen batteries Chem. Asian J., 13 ( 5 ) ( 2018 ), pp. 528 - 535, 10.1002/asia.201701561 View in Scopus Google Scholar
A high-entropy and low-cobalt perovskite of La 0.7 Sr 0.3 Co 0.2 Mn 0.2 Ni 0.2 Fe 0.2 Al 0.2 O 3-x for both oxygen evolution ... the HEP with the low cobalt content and high OER/MOR catalytic activities could be obtained. ... -on-nanosheets prepared by coordination-induced pyrolysis for oxygen reduction reaction and rechargeable Zn-air …
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