Is Feni a bifunctional oxygen reduction/evolution electrocatalyst for rechargeable zabs?
Thus, a FeNi alloy uniformly embedded in 3D nitrogen-doped porous carbon materials (FeNi@NC) was constructed in the subsequent pyrolysis process and used as an efficient bifunctional oxygen reduction/evolution (ORR/OER) electrocatalyst for rechargeable ZABs.
What is feni (feni@nc) electrocatalyst?
After the subsequent pyrolysis process, a bifunctional FeNi alloy homogeneously dispersed in 3D nitrogen-doped porous carbon catalyst (FeNi@NC) was generated and used as an efficient bifunctional oxygen reduction/evolution (ORR/OER) electrocatalyst for rechargeable ZABs.
Is feni alloy encapsulated in porous carbon?
Overall, XPS analysis demonstrates the FeNi alloy and small amount of Fe/Ni-N-C bonds encapsulated in porous carbon.
How to synthesize Feni alloy and nitrogen-codoped porous carbon Feni-NC bifunctional electro?
In summary, we have proposed a facile two-step synthesis route to successfully synthesize FeNi alloy and nitrogen-codoped porous carbon FeNi-NC bifunctional electrocatalysts by using low-cost and abundantly available peanut shells as precursor and iron and nickel salts as non-precious metal source.
Can a bifunctional oxygen electrocatalyst be used for rechargeable zinc–air batteries?
A dual-template strategy for facile preparation of a bifunctional oxygen electrocatalyst for high-performance rechargeable zinc–air batteries has been reported. Coupling FeNi alloys with hollow nitrogen-doped carbon frameworks results in exceptionally high electrocatalytic oxygen reduction and evolution activities.
Is Feni a porous carbon framework?
From the high-resolution TEM (HRTEM) image of FeNi@NC (Fig. 2 f), it can be clearly seen that the lattice stripe spacing of 0.205 nm corresponds to the (111) crystal planes of FeNi alloy, which proves that the FeNi alloy was successfully embedded in the porous carbon framework.
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Intergrated morphology engineering and alloying strategy for FeNi…
As a result, a battery incorporating the FeNi@NC catalyst-modified separator layer attains a notable initial specific capacity of 1378.8 mAh/g at 0.1C, and a negligible capacity decay rate of only 0.11% per cycle after 500 cycles at 1C. ... Li-S batteries are a promising energy storage system because of their inexpensive price and high ...
Learn More →FeNi decorated nitrogen-doped hollow carbon spheres as …
In this report, nitrogen-doped porous hollow carbon spheres with a size of about 300 nm were fabricated using a modified Stöber method and decorated with an FeNi alloy through a …
Learn More →FeNi nanoalloy-carbon nanotubes on defected graphene as …
This characteristic has made lithium-oxygen batteries the preferred choice for energy storage research, resulting in significant attention within the field. The lithium-oxygen battery (LOB) shares common components with conventional air batteries, including a lithium anode, electrolyte (which can be aprotic, aqueous, hybrid, or solid-state), a ...
Learn More →Two Dimensional heterostructure and its application in …
Micro-supercapacitors are promising energy storage device for future due to their high energy storage within small solid structure2. Compared to other batteries, in-plane designed micro-supercapacitors are preferred for developing electronic devices due to its unique properties in excellent rate capability, flexibility3,
Learn More →FeNi alloys encapsulated in N-doped CNTs-tangled porous …
The FeNi/N-CPCF-based Zn-air battery shows high efficiency and a long cycle life. ... such bifunctioal catalyst endows the homemade zinc-air batteries with a high energy efficiency of ... The development of advanced energy storage and conversion technologies is an important research field due to the rapidly rising global energy demand and ...
Learn More →Coupling FeNi alloys and hollow nitrogen …
The development of renewable energy generation and storage systems, such as rechargeable metal–air batteries, is vital for mitigating the adverse effects of the increasing global energy crisis and environmental issues. 1–3 Zn–air batteries …
Learn More →Rechargeable Zn–Air Batteries with Outstanding …
The primary Zn–air battery assembled with FeNi/N–LCN delivers both high specific capacity and peak power density. Remarkably, the rechargeable Zn–air battery can be repeatedly charged and discharged for …
Learn More →FeNi alloy anchored on waste cotton derived N-doped …
Among various storage and conversion devices, Zn-air batteries ... The binding energy of Ni 2p in the FeNi@NDC is higher than that in the Ni@NDC catalyst. ... Electrochemical testing of flexible all-solid-state rechargeable zinc-air battery of FeNi@NDC catalyst as air cathode. (a) Schematic illustration. (b) Open-circuit voltage. ...
Learn More →FeNi nanoparticles encapsulated in Nitrogen-doped carbon …
Energy storage technology is becoming more and more vital because of the rapid development of electronic equipment and communication technology [1]. ... The battery equipped with FeNi-NP/NC cathode, at a discharge current density of 1 mA cm −2, can achieve a discharge voltage above 1.55 V and maintained for over 24 h. 2. Experimental.
Learn More →FeNi alloy embedded in three-dimensional nitrogen-doped …
In various energy storage and conversion devices such as water electrolysers [3, 4], fuel cells [5, 6] and metal-ion batteries [7, 8], rechargeable zinc-air batteries (ZABs) are …
Learn More →Biomass-Derived FeNi alloy and Nitrogen-codoped Porous …
Rechargeable Zn-air batteries, which combine the key features of secondary batteries and fuel cells, have been regarded as the next-generation energy storage/conversion device in consumer ...
Learn More →FeNi alloys encapsulated in N-doped CNTs-tangled porous …
The development of advanced energy storage and conversion technologies is an important research field due to the rapidly rising global energy demand and serious environmental problems that caused by traditional fossil fuels. ... To demonstrate the practical application of FeNi/N-CPCF-950 in real zinc-air battery (ZAB) devices, a two-electrode ...
Learn More →GitHub
cideMOD solves DFN physicochemical equations by Finite Element methods using FEniCS library. It enables doing physics-based battery simulations with a wide variety of use cases, from different drive cycles to studies of the SEI growth under storage conditions. Thermal and degradation models can be used to obtain more realistic predictions. - cidetec-energy …
Learn More →Robust and flexible 3D integrated FeNi@NHCFs air electrode ...
Designing bifunctional oxygen reduction/evolution (ORR/OER) catalysts with high activity, robust stability and low cost is the key to accelerating the commercialization of rechargeable zinc-air battery (RZAB). Here, we propose a template-assisted electrospinning strategy to in situ fabricate 3D fibers consisting of FeNi nanoparticles embedded into N-doped …
Learn More →Multi-scale porous nitrogen-rich large carbon networks …
With the rapid consumption of fossil fuels and terrible environmental pollution, the development of rechargeable Zn-air batteries (ZABs) with economic and environmental protection, high theoretical energy density (1086 Wh kg −1), low cost, and high security is growing more significant for promoting green energy storage and transformation [[1], [2], [3], [4]].
Learn More →FeNi coordination polymer based highly efficient and …
·FeNi electrocatalyst endows zin-air batteries higher energy efficiency and longer durability. Abstract. ... the development of advanced energy storage and conversion technology become more and more significant [1], [2], [3]. The rechargeable zinc-air batteries (ZABs) has the advantages of large battery capacity, high specific energy ...
Learn More →FeNi nanoparticles encapsulated in Nitrogen-doped carbon …
Energy storage technology is becoming more and more vital because of the rapid development of electronic equipment and communication technology [1]. ... is synthesized via confined pyrolysis of polydopamine-coated FeNi-MOF under ammonia atmosphere. The battery equipped with FeNi-NP/NC cathode, at a discharge current density of 1 mA cm −2, can ...
Learn More →Sulfur-modulated FeNi nanoalloys as bifunctional oxygen ...
Currently, FeNi nanoalloys have received considerable attention for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in rechargeable aqueous zinc (Zn)-air batteries (ZABs) because of their high content and good chemical stability. However, their poor electronic conductivity, small surface area, and sluggish activity seriously hinder their …
Learn More →FeNi Confined in N-Doped Carbon as a Highly Efficient Bi
Rechargeable zinc–air batteries (RZABs) are basically dependent on both affordable and long-lasting bifunctional electrocatalysts. A non-precious metal catalyst, a FeNi nanoalloy catalyst (FeNi@NC) with an extremely low metal consumption (0.06 mmol), has been successfully synthesized. It shows a high half-wave potential of 0.845 V vs. RHE for ORR and …
Learn More →FeNi alloy anchored on waste cotton derived N-doped …
The FeNi@NDC sample was found to have Fe 0.64 Ni 0.36 alloy nanoparticles uniformly distributed in N-doped carbon layers, which exhibited better catalytic activity than single metal catalysts. The electrochemical performance of the FeNi@NDC sample in aqueous rechargeable zinc-air batteries demonstrated high power density
Learn More →Rational construction of FeNi
The overconsumption of traditional fossil energy has aggravated the global warming, explore for green and sustainable energy conversion and storage technologies have become an important topic in the world [1], [2].A large of research have revealed that rechargeable zinc-air batteries (ZABs) have unlimited potential and economic value due to …
Learn More →Boosting bifunctional oxygen electrocatalysis by …
In search of green electrochemical energy systems, rechargeable Zn–air batteries (ZABs) have attracted wide scientific attention as energy storage devices because of their high energy density, good overall performance, and eco …
Learn More →FeNi alloy embedded in three-dimensional nitrogen-doped …
Rapidly growing energy demand and environmental awareness have spawned a research boom in energy conversion and storage technologies [1,2]. In various energy storage and conversion devices such as water electrolysers [3,4], fuel cells [5,6] and metal-ion batteries [7,8], rechargeable zinc-air batteries (ZABs) are expected to satisfy the huge demand for …
Learn More →Enhancing the cycle life of rechargeable Zn-air batteries via …
Development of energy storage and conversion technology, discontinuous, unstable, ... It is necessary to investigate the causes of increased cycle life and subsequent battery failure. The FeNi-LDH@Co 3 O 4 air electrodes after cycling for 12 h and after cycle test were characterized by XPS and SEM.
Learn More →Intergrated morphology engineering and alloying strategy for FeNi…
Significantly, FeNi@NC incites the formation of S•3 − radicals, offering an alternative route for the transformation of polysulfides and accelerating the kinetics of their …
Learn More →Feni battery energy storage
Feni battery energy storage Moreover, the self-made zinc-air battery with FeNi@NC air-cathode displayed an excellent energy density of 137.7 mW cm - 2 as well as cycling stability (100 h, 200 cycles). Introduction The oxygen reduction reaction and oxygen evolution reaction (ORR and OER) are essential in energy storage and conversion equipment such
Learn More →FeNi alloys supported on nitrogen-enriched carbon …
Integration of nitrogen-enriched carbon framework and bimetallic alloys provides a new avenue for the rational preparation of bifunctional oxygen electrocatalysis for high …
Learn More →Bifunctional oxygen electrocatalysts enriched with single Fe …
Rechargeable zinc–air batteries (ZABs) have stimulated extensive interests, but the slow reaction kinetics of oxygen reactions hinder their further development. ... CoFe 2 O 4, FeCo 2 O 4, NiCo 2 O 4, FeNi 2 O 4, and CoNi 2 O 4 (denoted as AB 2 O 4). ... Iron anode-based aqueous electrochemical energy storage devices: recent advances and ...
Learn More →Intergrated morphology engineering and alloying strategy for FeNi…
Lithium-sulfur batteries (LSBs) possess exceptional advantages, including high specific capacity and energy [1], positioning them as pivotal contenders in the future generation of energy storage technologies. Anticipated to supersede traditional lithium-ion devices, LSBs are forecasted to underpin the forthcoming energy storage systems, serving ...
Learn More →N, S co-doped carbon with embedment of FeNi alloy as …
This effort presents a facile strategy for designing economical and efficient 3D catalysts for zinc-air batteries and more energy devices. ... are highly anticipated electrochemical energy storage equipment for their high energy ... Wu et al. prepared FeNi alloy-coupled hollow nitrogen-rich carbon framework-shell-core catalysts with ...
Learn More →In situ anchoring of FeNi nanoparticles into three …
Herein, inspired by the above-mentioned merits, we have designed and prepared a lightweight, flexible 3D self-supporting electrode architecture that is composed of high theoretical specific capacity of FeNi alloy nanoparticles uniformly embedded in N-CFM ch unique placement possesses abundant lithium storage sites for electrochemical conversion reactions.
Learn More →Journal of Energy Storage | Vol 58, February 2023
Read the latest articles of Journal of Energy Storage at ScienceDirect , Elsevier''s leading platform of peer-reviewed scholarly literature ... supercapattery empowered by efficient binder-free three-dimensional carbon coated NiCo<sub>2</sub>O<sub>4</sub>/Ni battery and Fe<sub>3</sub>S<sub>4</sub>@NiCo pseudocapacitive electrodes ...
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