Pyrite (FeS 2) is a functional material of great importance for lithium/sodium ion batteries (LIBs/SIBs), but its sluggish dynamics greatly hinder its high performance. Here, we demonstrate an effective strategy of regulating the energy barrier of ion transport to significantly enhance the sluggish dynamics of FeS 2 by Co doping.
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Pyrite (FeS 2) is a functional material of great importance for lithium/sodium ion batteries (LIBs/SIBs), but its sluggish dynamics greatly hinder its high performance. Here, we demonstrate an effective strategy of regulating the energy barrier of ion transport to significantly enhance the sluggish dynamics of FeS 2 by Co doping.
Iron pyrite is an earth-abundant and inexpensive material that has long been interesting for electrochemical energy storage and solar energy conversion. A large-scale conversion synthesis of phase-pure pyrite nanowires has been developed for the first time. Nano-pyrite cathodes exhibited high Li-storage capa
All-solid-state batteries can enable reversible four lithium ion storage for pyrite (FeS2) at a cutoff voltage of 1.0–3.0 V. However, strain/stress concentration generating electrode pulverization and sluggish electrochemical reaction of lithium sulfide and sulfur will affect the long cycling stability of the battery. Through experiments and density functional theory (DFT)
Pyrite is a low-cost candidate material for photocatalysis, photovoltaic devices, photoelectrochemical applications, and energy storage batteries due to its unique properties such as high
The use of fast surface redox storage (pseudocapacitive) mechanisms can enable devices that store much more energy than electrical double-layer capacitors (EDLCs) and, unlike batteries, can do so
Though, the energy storage mechanism in pyrite FeS 2 is diffusive rather than This electrode material exhibited a reversible sodium-ion storage capacity of 705 mAh g−1 at 100 mA g−1 with
DOI: 10.1002/adma.202103881 Corpus ID: 237307916; A Pyrite Iron Disulfide Cathode with a Copper Current Collector for High‐Energy Reversible Magnesium‐Ion Storage @article{Shen2021API, title={A Pyrite Iron Disulfide Cathode with a Copper Current Collector for High‐Energy Reversible Magnesium‐Ion Storage}, author={Yinlin Shen and Qinghua Zhang
Nanocrystals with quantum-confined length scales are often considered impractical for metal-ion battery electrodes due to the dominance of solid-electrolyte interphase (SEI) layer effects on the measured storage properties. Here we demonstrate that ultrafine sizes (∼4.5 nm, average) of iron pyrite, or FeS2, nanoparticles are advantageous to sustain
Researchers synthesised highly crystalline pyrite FeS2 at low temperatures for use in electrochemical energy storage devices. By utilising a metastable oxyhydroxide precursor, the team reported
Potassium-ion batteries are an emerging energy storage technology that could be a promising alternative to lithium-ion batteries due to the abundance and low cost of potassium. and pyrite (FeS
Particularly, for Li-ion storage, an elevated reversible specific capacity of 762 mAh g –1 at 10 A g –1 after 1000 cycles was achieved. And for Na-ion storage, the FeS 2
FeS2 is a promising electrode material for alkali metal ion storage due to its high theoretical capacity. However, it still faces critical issues such as suboptimal rate and cycling performances owing to sluggish charge transport and significant volume variations. Herein, we constructed FeS2 (m-FeS2) and pyr
Presented are the novel Ti3C2Tx MXene-based nanohybrid that decorated by pyrite nanodots on its surface (denoted as FeS2@MXene). The nanohybrid was obtained by the one-step sulfurization of self-assembled iron hydroxide@MXene precursor. When used for Li/Na-ion storage, the FeS2@MXene nanohybrid present excellent rate capabilities. Particularly, for
According to the Gibbs free energy formula (1–5), it is known that the Gibbs free energy depends on the combined effects of entropy and enthalpy [41]: (1–5) Δ G m i x = Δ H m i x − T Δ S m i x In Eq. (1–5), ΔG mix, ΔH mix, ΔS mix and T represent the Gibbs free energy, mixing enthalpy, mixing entropy differences and thermodynamic
Iron pyrite (FeS 2 ), in addition to its abundance on earth, can also be prepared in laboratory for its excellent semiconducting properties that can be employed for possible applications in energy
As Na + enters into the pyrite structure along the (111) direction, (31) the Na + intercalates between the S layers and converts the material from FeS 2 to Fe + Na x S, yielding a shift in the A g peak position.
Abstract The ever-growing demand for advanced battery technologies with high energy and power density, high security, prolonged cycle life, and sustainably low cost requires the development of novel electrode materials for lithium-ion batteries (LIBs), as well as the alternative electrochemical energy storage technologies of sodium-ion batteries (SIBs) and
Pyrite has numerous applications including energy conversion and storage devices. Pyrite photovoltaics is the most attractive field of technology for researchers, however, the pyrite-based solar devices revealed very low solar conversion efficiency of <3%. Qiu C, Liu J (2013) Solid State Ion 241:25–29. Article Google Scholar Díaz-Chao P
Request PDF | A Pyrite Iron Disulfide Cathode with a Copper Current Collector for High‐Energy Reversible Magnesium‐Ion Storage | Owing to its low cost, high theoretical capacity, and
The diversity of pyrites that are accessible and their versatile and tunable properties make them attractive for a wide range of applications from photovoltaics to energy storage and electrocatalysis. Pyrite-type structures can be further extended to their ternary analogues, for example, CoAsS (cobaltite), NiAsS (gersdorffite), NiSbS
Sulfur cathode materials in rechargeable lithium-sulfur (Li-S) batteries have a high theoretical capacity and specific energy density, low cost, and meet the requirements of portable high electric storage devices [].Due to their small particle size, large surface area, and adjustable surface function, [] quantum dots (QDs) can be used as the modified material of
As the most common sulfide mineral, pyrite has been successfully commercialized in primary Li/FeS2 batteries and extensively investigated as anode for LIBs, owing to its economical price and environmental friendliness,,,, . Recently, great efforts have been devoted to developing pyrite as electrode for SIBs.
However, the short lifespan associated with the shuttle effect of polysulfides, large volume change, agglomeration of Fe 0 nanoparticles, narrow operating temperature
Nanoscale pyrite FeS2 is considered to be one of few potentially transformative materials for photovoltaics capable of bridging the cost/performance gap of solar batteries. It also holds promise for energy storage applications as the material for high-performance cathodes. Despite prospects, the synthesis of FeS2 nanostructures and diversity of their geometries has
In this work we present the electrochemical performance of FeS2 nanocrystals (NCs) as lithium-ion and sodium-ion storage materials. First, we show that nanoscopic FeS2 is a promising lithium-ion cathode material, delivering a capacity of 715 mA h g(-1) and average energy density of 1237 Wh kg(-1) for 100 cycles, twice higher than for commonly
Nano-pyrite cathodes exhibited high Li-storage capacity and excellent capacity retention in Li/pyrite batteries using a liquid electrolyte, which retained a discharge capacity of 350 mAh g(-1) and
Pyrite FeS 2 is used as a low cost alternative electrode in energy harvesting and energy storage devices such as solar cells, lithium ion batteries and supercapacitors. Pyrite FeS 2 is used extensively in semiconductor industries due to its narrow band gap of E g = 0.95 eV and high light absorption coefficient of α > 105 cm −1 for hμ > 1.3
Notwithstanding this, pyrite mineral is back in fashion. Indeed, it could make a new posse of investors wealthy, according to researchers. Past and Future Uses for Bright Iron Pyrite. Sulfur-rich pyrite minerals functioned as flint stones in ancient Roman times, and for recent decades in sulfur dioxide production. We were musing over this
The development of new rechargeable metal-ion (Na +, K + or Al 3+) batteries (MIBs) with high performance would break the global monopoly on lithium-ion batteries (LIBs).However, because of the larger ionic sizes of Na +, K + and Al 3+ in comparison to Li +, the requirement of electrode materials with suitable tunnels for these metal ions
However, its electrochemical Mg-ion storage is considerably hindered by slow reaction kinetics. In this study, a high-performance FeS 2 cathode for RMBs using a copper current collector is reported, which is
For electrochemical energy storage in Li-ion batteries, Na-ion batteries, and supercapacitors, TMSs have attracted great attention as outstanding electrode candidates due to their high theoretical specific capacities and low-cost. Beside the (022) diffraction ring of the main pyrite phase, some diffraction spots corresponding to 0.19 nm d
As the photovoltaic (PV) industry continues to evolve, advancements in pyrite ion energy storage have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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