Batterie zinc-air pérovskite
Biomimetic construction of bifunctional perovskite oxygen …
DOI: 10.1016/j.electacta.2021.139407 Corpus ID: 239270112; Biomimetic construction of bifunctional perovskite oxygen catalyst for zinc-air batteries @article{Wu2021BiomimeticCO, title={Biomimetic construction of bifunctional perovskite oxygen catalyst for zinc-air batteries}, author={Xuyang Wu and He Miao and Mingming …
Accelerated deprotonation with a hydroxy-silicon alkali solid for ...
Transition metal oxides are promising electrocatalysts for zinc-air batteries, yet surface reconstruction caused by the adsorbate evolution mechanism, …
NCNT grafted perovskite oxide as an active bifunctional …
1. Introduction. Scalable applications of fuel cell and battery technologies are urgently needed for a sustainable energy future [1] recent years, the development of metal−air batteries such as zinc−air batteries (ZABs), which reciprocally convert chemical energy and electricity in a rechargeable fashion, has been an area of high scientific …
Tailoring the d-band electronic structure of deficient …
LaMn 0.3 Co 0.7 O 3-δ Perovskite nanofibers with oxygen-deficient structure have been used as dual-function oxygen catalysts for rechargeable zinc-air batteries with high high specific capacity of 811.54 mAh g −1 and good cycling stability.. Download: Download high-res image (194KB) Download: Download full-size image
A-site deficient perovskite nanofibers boost oxygen evolution …
In addition to that, the perovskite SCF-0.2 + Pt /C is used as the air cathode in the self-assembled zinc-air battery, which shows excellent peak energy density ∼ 106 mW cm-2 and charge ...
Carbon-Free Reversible Air Electrodes based on Perovskite Oxide …
Metal-air batteries that utilize atmospheric oxygen as a cathodic active material are among the most promising candidates for next-generation energy storage devices because their theoretical power density is higher than that of lithium-ion batteries. 1 In particular, zinc-air batteries have received much attention because they comprise …
A Highly Efficient and Robust Cation Ordered Perovskite Oxide as …
Of the various catalysts that have been developed to date for high performance and low cost, perovskite oxides have attracted attention due to their inherent catalytic activity as well as structural flexibility. In particular, high amounts of Pr substitution of the cation ordered perovskite oxide originating from the state-of-the-art Ba0.5Sr0.5Co0.8Fe0.2O3−δ …
On the performance of carbon-free zinc-air rechargeable batteries ...
High-capacity rechargeable batteries play an important role at integrating and optimizing the consumption of the energy from renewable sources and the metal-air battery is currently considered the most promising for such applications. Among them, the Zn-air rechargeable battery has attracted considerable attention because of theoretically …
Mini-review of perovskite oxides as oxygen electrocatalysts for ...
T1 - Mini-review of perovskite oxides as oxygen electrocatalysts for rechargeable zinc–air batteries. AU - Dai, Yawen. AU - Yu, Jie. AU - Cheng, Chun. AU - Tan, Peng. AU - Ni, Meng. PY - 2020/10/1. Y1 - 2020/10/1. N2 - Zn–air batteries (ZABs) have been considered to be promising candidates for the next generation of energy storage devices.
Lanthanum strontium cobaltite-based perovskite as an …
Finally, the Zinc-air battery performance of La 0.5 Sr 0.5 Co 0.8 Ni 0.2 O 3-δ oxide was investigated for long-term stability analysis. 2. Material and methods2.1. Synthesis of lanthanum strontium cobaltite-based perovskite electrocatalysts
Mg Doped Perovskite LaNiO3 Nanofibers as an Efficient …
DOI: 10.1021/ACSAEM.8B02183 Corpus ID: 139997626; Mg Doped Perovskite LaNiO3 Nanofibers as an Efficient Bifunctional Catalyst for Rechargeable Zinc–Air Batteries @inproceedings{Bian2019MgDP, title={Mg Doped Perovskite LaNiO3 Nanofibers as an Efficient Bifunctional Catalyst for Rechargeable Zinc–Air Batteries}, author={Juanjuan …
Advanced bifunctional catalyst design for rechargeable zinc–air ...
Zinc–air batteries have attracted more attention due to their high energy density, high safety, low cost, and environmental friendliness. Nevertheless, sluggish oxygen reaction kinetics at the air electrode seriously compromises their power density and cycling stability. As one of the main components, the ca
Mini-review of perovskite oxides as oxygen electrocatalysts for ...
Zn–air batteries (ZABs) have been considered to be promising candidates for the next generation of energy storage devices. The sluggish kinetics of the oxygen reduction and oxygen evolution reactions (ORR and OER, respectively) at the air cathode are the key obstacles that limit the power output and energy efficiency of ZABs, and thus, …
A-site deficient perovskite nanofibers boost oxygen evolution …
1. Introduction. The zinc-air battery (ZAB) is one of the most promising energy storage and conversion devices with high energy density (1086 Wh kg −1), low cost, rechargeability, and environmental benignity [1], [2].The bifunctional oxygen catalysts which can accelerate both the oxygen evolution and reduction reactions (OER and ORR) are …
Long‐Term Operation of Perovskite‐Catalyzed Bifunctional Air …
Rechargeable zinc-air flow batteries are investigated as promising stationary energy storage system due to compact system design and low cost materials. …
Biomimetic construction of bifunctional perovskite oxygen catalyst for ...
The fabrication of air cathode was described in Supporting information. The zinc foil, polyacrylamide (PAM)-based alkaline gel electrolytes and air cathode were used to assemble the solid-state flexible ZABs with a sandwich-like structure, and the detailed fabricated method were described in Supporting information.
Metal oxide Perovskite-Carbon composites as electrocatalysts for …
Zn-air batteries (ZABs) are promising electrochemical devices to store energy. Metal oxide perovskites mixed with carbon materials are highlighted as …
Recent advances of micro-nanofiber materials for rechargeable zinc-air …
2.2. Electrolyte. An electrolyte, as one of the core components of ZABs, is a bridge connecting positive and negative reactions. Serving as the ionic conductor, the performance of the electrolyte greatly determines the energy output, working life, flexibility and safety of batteries [118], [119], [120].Moreover, electrolytes also play a key role in …
Perovskite oxide composites for bifunctional oxygen …
There is a high demand for earth-abundant transition metal-oxide-based electrocatalysts with bifunctional oxygen catalytic activity and superior durability to commercialize metal-air or zinc-air batteries. This review summarizes recent findings on perovskite oxide composite catalysts for OER/ORR and ZAB performance.
A Highly Efficient and Robust Cation Ordered Perovskite Oxide as …
A Highly Efficient and Robust Cation Ordered Perovskite Oxide as a Bifunctional Catalyst for Rechargeable Zinc-Air Batteries ACS Nano . 2017 Nov 28;11(11):11594-11601. doi: 10.1021/acsnano.7b06595.
Long‐Term Operation of Perovskite‐Catalyzed Bifunctional Air …
Rechargeable zinc-air flow batteries are investigated as promising stationary energy storage system due to compact system design and low cost materials. Bifunctional air electrodes employing a La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3 perovskite catalyst for O 2 -reduction and O 2 -evolution are manufactured in small scale (4 cm 2 ) and in up …
Coupling aqueous zinc batteries and perovskite solar cells for ...
During the photocharge and discharge processes, an aqueous electrolyte is trapped within the zinc battery region by the sandwich joint electrode, thus leaving the …
A-site deficient/excessive effects of LaMnO3 perovskite
The CCTO perovskite was also evaluated for the zinc-air battery as an air electrode, corresponding to the high specific capacitance of 1165 mAh g ⁻¹ with the greater cyclic efficiency and ...
Mg Doped Perovskite LaNiO 3 Nanofibers as an Efficient …
La batterie zinc-air devient une alternative potentielle à la batterie lithium-ion en raison de son avantage en termes de ressources, de sa densité d''énergie théorique élevée et de son ...
Multiscale Construction of Bifunctional Electrocatalysts for …
The corresponding air cathodes endow zinc–air batteries with a reduced voltage gap of 0.74 V, a high power density of 185.0 mW cm −2, and an ultralong lifespan of more than 2400 cycles at 5.0 mA cm −2. This work demonstrates a feasible strategy to rationally integrate various active sites to construct multifunctional electrocatalysts for ...
An aqueous electrolyte densified by perovskite SrTiO
Conventional electrolytes of aqueous zinc-ion batteries suffer from serious side reactions. Here, the authors develop a densified electrolyte with perovskite additives to achieve reversible zinc ...
Performance enhancement of rechargeable zinc-air battery …
Rechargeable zinc-air batteries (ZABs) are emerging as next-generation energy storage devices due to their superior theoretical energy density (∼1218 Wh kg −1), which …
Mini-review of perovskite oxides as oxygen electrocatalysts for ...
DOI: 10.1016/j.cej.2020.125516 Corpus ID: 219659968; Mini-review of perovskite oxides as oxygen electrocatalysts for rechargeable zinc–air batteries @article{Dai2020MinireviewOP, title={Mini-review of perovskite oxides as oxygen electrocatalysts for rechargeable zinc–air batteries}, author={Yawen Dai and Jie Yu and Chun-Man Cheng and Peng Tan and …
Modulation of perovskite electronic configuration by cobalt …
Polished zinc sheets (2.5 cm*2.5 cm), 6 M KOH, and nickel foam electrodes (2 cm*2cm, perovskite loading of 4 mg·cm −2) coated with diffusion and catalytic layers are used as the negative electrode, electrolyte, and positive electrode for the primary zinc-air battery, respectively. Rechargeable zinc-air batteries adopt 6 M KOH + 0.2 M …
Interface engineering of Ruddlesden–Popper perovskite…
A liquid rechargeable zinc-air battery (ZAB) assembled with CeO 2-C/PSNC electrocatalysts as the air cathode exhibits a peak power density of 161 mW cm −2 and a long-term cycling life over 219 h. In addition, the CeO 2 -C/PSNC-based all-solid-state cable-type ZAB provides a high open-circuit voltage (∼1.44 V), good flexibility and durability.
Interface engineering of Ruddlesden–Popper perovskite/CeO
A liquid rechargeable zinc-air battery (ZAB) assembled with CeO 2-C/PSNC electrocatalysts as the air cathode exhibits a peak power density of 161 mW cm −2 and a long-term cycling life over 219 h. In addition, the CeO 2 -C/PSNC-based all-solid-state cable-type ZAB provides a high open-circuit voltage (∼1.44 V), good flexibility and durability.
A Highly Efficient and Robust Cation Ordered Perovskite Oxides …
Zinc–air batteries have received increasing attention in energy storage and conversion technologies. However, several challenges still emerge in the development of high‐level zinc–air batteries.
Carbon-Free Reversible Air Electrodes based on Perovskite Oxide …
In this study, carbon-free air electrodes were prepared using electro-conductive oxides, namely, indium tin oxide or antimony-doped tin oxide, as an alternative to carbon materials in both the CL and GDL to achieve reversibility and durability of the air electrode in zinc-air batteries.
Ba-doped LaCoO3 perovskite as novel bifunctional ...
Developing efficient non-noble metal bifunctional cathode catalysts to accelerate the sluggish kinetics of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is still a major challenge for zinc–air batteries (ZABs). In the present study, a series of La1−xBaxCoO3 (x = 0, 0.05, 0.10, 0.15, 0.20) perovskite-type oxides were …
B-Site Effect on High-Entropy Perovskite Oxide as a Bifunctional ...
High-entropy perovskite oxides (HEPOs) combine the advantageous characteristics of both high-entropy oxides and perovskite oxides such as robust long-term crystal and electronic structure stability and finely adjustable physicochemical properties. HEPOs hold significant promise as bifunctional catalysts for oxygen electrocatalytic …
Advanced bifunctional catalyst design for rechargeable …
As one of the main components, the catalyst significantly impacts the performance of zinc–air batteries. Finding high-performance bifunctional catalysts for both the oxygen reduction reaction and oxygen …
Perovskite Catalysts for Oxygen Evolution and …
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 …
A tailored double perovskite nanofiber catalyst enables ultrafast ...
Rechargeable metal–air batteries and water splitting are highly competitive options for a sustainable energy future, but their commercialization is hindered by the absence of cost-effective ...
A-site deficient perovskite nanofibers boost oxygen evolution …
Introduction. The zinc-air battery (ZAB) is one of the most promising energy storage and conversion devices with high energy density (1086 Wh kg −1), low cost, rechargeability, and environmental benignity [1], [2].The bifunctional oxygen catalysts which can accelerate both the oxygen evolution and reduction reactions (OER and ORR) are …
Metal oxide Perovskite-Carbon composites as electrocatalysts for zinc …
Metal oxide Perovskite-Carbon composites as electrocatalysts for zinc-air batteries. Optimization of ball-milling mixing parameters J Colloid Interface Sci. 2023 Jan 15;630(Pt B):269-280. doi: 10.1016/j.jcis.2022.10.086. Epub 2022 Oct …
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