2. Fundamental reactions in ZABs. Rechargeable ZABs can be generally classified into conventional liquid batteries and flexible solid-state batteries [1].A typical liquid ZAB (Fig. 1 b) consists of a Zn anode, a concentrated alkaline electrolyte, and an air cathode [13].The air cathode for the OER and ORR is considered to be the most critical …
Subsequently, with the typical metal-based batteries (Zn-air battery, Li-O2 battery, Li-CO2 battery, Li-S battery, Na-S battery, etc.) as the foothold, the important role of defect engineering in ...
The pattern of X-ray diffraction (XRD) that was utilized in the analysis of BCFSY050-100 is depicted in Fig. 1.As a result of the fact that there are no peaks that are not anticipated to be present, it may be deduced that the different amounts of tin do not lead to the production of additional phases [26].As the amount of Sn dopant rises, the XRD peak that is placed at …
The past decade has observed rapid growth in the development of cobalt-free perovskite cathodes, which provide enhanced structure and operational stability at the operating temperature of intermediate temperature solid oxide fuel cells (IT-SOFC, 600–800 °C) compared to its cobalt-containing counterpart. This Review aims to present a …
Perovskite-based photo-batteries (PBs) have been developed as a promising combination of photovoltaic and electrochemical technology due to their cost-effective design and significant increase in solar-to-electric power conversion efficiency. The use of complex metal oxides of the perovskite-type in batteries and photovoltaic cells …
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 …
The A/B site doping method is universal and facile, which is essential to comprehend and develop effective perovskite oxide for zinc-air battery electrodes.
DOI: 10.1016/j.cej.2020.128079 Corpus ID: 230550803; Perovskite with in situ exsolved cobalt nanometal heterostructures for high rate and stable lithium-sulfur batteries @article{Hou2021PerovskiteWI, title={Perovskite with in situ exsolved cobalt nanometal heterostructures for high rate and stable lithium-sulfur batteries}, …
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 …
Perovskite materials are known for having the structure of the CaTiO3 compound and have the general formula close or derived from ABO3. Interestingly, perovskite materials can …
Request PDF | Cobalt-Doped Perovskite-Type Oxide LaMnO3 as Bifunctional Oxygen Catalysts for Hybrid Lithium-Oxygen Batteries | Perovskite-type oxides based on alkaline-earth containing lanthanum ...
Given that higher Co content improves battery performance, the principal motivations behind developing Ni-rich composition cathodes are relative …
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 …
Design of efficient catalysts requires understanding the decisive electronic parameters for catalytic efficacy and their dependence on elemental composition. Here, the authors report covalency as...
Request PDF | Copper/cobalt-doped LaMnO3 perovskite oxide as a bifunctional catalyst for rechargeable Li-O2 batteries | Copper/cobalt-doped perovskite oxide LaMn0.8M0.2O3 (M = Cu, Co) composites ...
ii) Electrochemical results of LCA perovskite/Al battery cyclic voltammogram: a) LCA and b) 3D perovskite/Al batteries; c) LCA perovskite and d) galvanostatic curves of 3D perovskite at 0.1 Ag −1; e) rate capability of 3D and LCA perovskite/Al batteries; f) cycling performance of LCA and 3D perovskite at 0.2 Ag −1 …
The Zinc-air battery (ZAB) has become a hot research topic for nearly a decade due to its high energy densities. As an important category of catalysts for ZAB, perovskites have attracted extensive …
Perk up a perovskite!Appropriate doping is an effective approach to adjust the chemical and physical properties of perovskite-type materials. It is feasible to create a new bifunctional catalyst that combines the advantages of LaMnO 3 and LaCoO 3 in a new perovskite oxide by doping (see figure). The perovskite LaMn 0.7 Co 0.3 O 3 is indeed …
DOI: 10.1016/J.JALLCOM.2017.01.073 Corpus ID: 100507758; Ternary perovskite cobalt titanate/graphene composite material as long-term cyclic anode for lithium-ion battery @article{Li2017TernaryPC, title={Ternary perovskite cobalt titanate/graphene composite material as long-term cyclic anode for lithium-ion battery}, …
Modulation of perovskite electronic configuration by cobalt doping for efficient catalysts in zinc-air battery electrodes October 2023 DOI: 10.1016/j.cej.2023.146301
1. Introduction. Nowadays, the demand for energy is increasing due to fast social development, which enhances the dependance of green energy sources including solar, wind and tidal energy [1], [2], [3], [4].The solution to address the imbalance between supply and demand is to develop energy storage and transfer by rechargeable battery …
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 …
Photo-batteries using metal halide perovskites: photo-batteries using lead-based perovskite halides. (a) Crystal structure of 2D (C 6 H 9 C 2 H 4 NH 3) 2 PbI 4 (CHPI). (b) Energy level diagram of perovskite photo-batteries. (c) First photo-charge (at 100 mW/cm 2) and discharge (dark, 21.5 kΩ load) voltage profile of the CHPI based …
Porous perovskite oxides applied in the air electrode of Li–air batteries have been extensively studied in recent years. 63, 64, 68, 127, 141, 150, 152, 195-203 For instance, in 2014, Zhang et al. synthesized the porous perovskite LaNiO 3 nanocubes as cathode catalysts for Li–air batteries, where the modified hydrothermal process was used ...
This article investigates the impact of metal-organic frameworks (MOFs) on the performance and stability of perovskite solar cells (PSCs), specifically focusing on …
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