Octahedral Fe3O4/FeS composite synthesized by one-pot hydrothermal method as a high-performance anode material for lithium-ion batteries

Gao, Ruirui; Wang, Suqin; Xu, Zhaoxiu; Li, Hongbo; Chen, Shouhui; Hou, Haoqing; Wang, Jiulin

doi:10.1016/j.jallcom.2021.158796

Cited by 25 publications

(18 citation statements)

References 80 publications

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“…There is one OH bond. These are the characteristic peaks of LDH; in addition, there is a peak of SO bond at 1060 cm −1 and a peak at 2950 cm −1 caused by SH-stretching vibration on FeS/LDH3 [31,35,37]. The XRD pattern (Figure 1b) also showed similar spectral characteristics, and the original peaks No.…”

Section: Characterizationsmentioning

confidence: 64%

“…101. These characteristics all indicate that FeS was successfully precipitated in the layer of LDH [36][37][38]. Transmittance (%) The LDH3 and FeS/LDH3 used in this study were characterized by SEM.…”

Section: Characterizationsmentioning

confidence: 83%

“…In Figure 3, XPS was applied to analyze the elements in FeS/LDH3. The results showed that the energy spectrum of Fe 2p had two peaks at 711.3 eV (FeS, 76.08%) and 724.6 eV (FeOOH, 23.91%) according to Figure 3b, indicating the successful synthesis of FeS in the composite [32,37]. The peak area of FeS is larger than FeOOH, suggesting a majority of FeS in the composite.…”

Section: Characterizationsmentioning

confidence: 94%

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Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Zhang

Wan

2021

Sustainability

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To remedy the widespread chromium (Cr) pollution in the environment, this study mainly used the ultrasonic-assisted co-precipitation and precipitation methods to prepare FeS-modified Fe-Al-layered double hydroxide (FeS/LDH) composite material. The experimental results showed that FeS/LDH has higher removal efficiency of Cr in aqueous solution and stronger anti-interference ability than unmodified LDH. Under the same reaction conditions, the removal efficiency of total Cr(Cr(T)) using LDH was 34.85%, and the removal efficiency of Cr(VI) was 46.76%. For FeS/LDH, the removal efficiency of Cr(T) and Cr(VI) reached 99.57% and 100%, respectively. The restoration of Cr(T) and Cr(VI) by FeS/LDH satisfied the Langmuir adsorption isotherm. The maximum adsorption capacity of Cr(T) and Cr(VI) achieved 102.9 mg/g and 147.7 mg/g. The efficient removal of Cr by FeS/LDH was mainly based on the triple synergistic effect of anion exchange between Cr(VI) and interlayer anions, redox of Cr(VI) with Fe2+ and S2−, and co-precipitation of Fe3+ and Cr3+.

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Section: Characterizationsmentioning

confidence: 64%

Section: Characterizationsmentioning

confidence: 83%

Section: Characterizationsmentioning

confidence: 94%

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Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Zhang

Wan

2021

Sustainability

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“…The mesoscopic morphologies formed from the composites of Fe 3 O 4 and carbon materials include spheres, [22,23] octahedrons, [24] lines, [25,26] tubes, [27] flakes, [28] and sandwich structures. [29] In particular, forming a multilayered structure of Fe 3 O 4 , rGO, and a porous carbon layer can endow materials with unique properties.…”

Section: Introductionmentioning

confidence: 99%

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

Yin

Cai

et al. 2022

ChemNanoMat

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Iron-based oxides are ideal candidates for a new generation of lithium-ion battery (LIB) anode materials owing to their high theoretical capacity and abundance, low cost, and non-toxicity. However, the shortcomings of nanoparticle agglomerations with low electrical conductivity, volume expansion, and easy powdering during the cycling process hinder their commercialization. Herein, a silkworm-chrysalisnet-like (SCN) Fe 3 O 4 /rGO/mesoporous carbon nano-architecture composite was prepared by combining an in-situ sol-gel coating strategy and a one-step hydrothermal reaction process. The overall microstructure of the electrode material with a unique SCN structure could effectively create a synergistic effect to enhance the electrochemical performance. As a result, the capacity of rGO-Fe-C0.5 could reach 916.4 mA h g À 1 after 100 cycles at a current density of 0.5 A g À 1 , and slow capacity attenuation of 0.033% per cycle after 500 cycles at 2 A g À 1 was achieved. This work provides new insights into the design of Fe 3 O 4 based composite for application in lithium-ion batteries.

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“…As a high-specific capacity lithium-ion battery (LiB) anode material, GeP exposure to electrolytes will cause inevitable capacity fading. , The exposed GeP has a large contact area with the electrolyte during the initial charge/discharge cycling stage, leading to the formation of considerable solid electrolyte interphase films and resulting in high irreversible capacity. − Furthermore, considering there is no finite domain for the active component reaction in the repeated discharge/charge process, the volume expansion of GeP during the discharge stage and the volume contraction during the charge stage will lead to the poor electrochemical performance of the electrode. − To solve the problems above, an effective strategy is nanosizing GeP into fine nanoparticles and confining it in a conductive matrix.…”

Section: Introductionmentioning

confidence: 99%

Confining Nano-GeP in Nitrogenous Hollow Carbon Fibers toward Flexible and High-Performance Lithium-Ion Batteries

Zeng

Feng

Liu

et al. 2021

ACS Appl. Mater. Interfaces

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Although graphite has been used as anodes of lithium-ion batteries (LiBs) for 30 years, its unsatisfactory energy density makes it insufficient toward some new electronic products such as unmanned aerial vehicles. Herein, in situ synthesis of nano-GeP confined in nitrogen-doped carbon (GeP@NC) fibers was designed and performed via coaxial electrospinning followed by a phosphating process. This way ensured the paper-like GeP@NC-x electrode with high conductivity, high flexibility, and lightweight properties, which simultaneously solved the key scientific problems of difficulty in structural design and severe volume expansion of GeP. The inner diameter and wall thickness of the nanofibers can be effectively controlled by adjusting the size of electrospinning needles. It was suggested that the fibers not only effectively inhibited the growth of GeP, resulting in the synthesis of nano-GeP with size less than 50 nm, but also alleviated the volume expansion/agglomeration and improved the diffusion kinetics of Li+ in nano-GeP during cycling. The Li+ diffusion coefficient can be improved by reducing the inner diameter and wall thickness of the fibers. As a model system, the paper-like electrode (GeP@NC-2) with a fiber diameter of 280 nm and a wall thickness of 110 nm exhibited the best electrochemical performance. When applied as anodes in LiBs, it displayed a reversible capacity of 612 mAh g–1 at the 600th cycle at 1 A g–1, while GeP@NC-0 with a solid structure only delivered 239 mAh g–1. Furthermore, the GeP@NC-2 also exhibited good long-term cycling stability at 5 A g–1, and the capacity displayed a slight difference of 221.2 and 209.0 mAh g–1 in a voltage range of 0∼3 V and 0∼1.5 V, respectively. The well-defined synthetic approach combined with unique nanostructural design provided a meaningful reference for the rational design and development of next-generation flexible and high-performance LiB anodes.

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Octahedral Fe3O4/FeS composite synthesized by one-pot hydrothermal method as a high-performance anode material for lithium-ion batteries

Cited by 25 publications

References 80 publications

Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

Confining Nano-GeP in Nitrogenous Hollow Carbon Fibers toward Flexible and High-Performance Lithium-Ion Batteries

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Octahedral Fe3O4/FeS composite synthesized by one-pot hydrothermal method as a high-performance anode material for lithium-ion batteries

Cited by 25 publications

References 80 publications

Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Adsorption and Reduction of Aqueous Cr by FeS-Modified Fe-Al Layered Double Hydroxide

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe3O4/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

Confining Nano-GeP in Nitrogenous Hollow Carbon Fibers toward Flexible and High-Performance Lithium-Ion Batteries

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Product

Resources

About

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries