Magnetic nanoferrites and related carbon-containing composites: synthesis, opportunities, and prospects

Xie, Xiubo; Wang, Yukun; Sun, Xueqin; Hou, Chuanxin; Du, Wei

doi:10.1016/b978-0-323-96115-8.00004-0

Cited by 1 publication

(2 citation statements)

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“…4−8 Considering the factors of enhanced specific capacitance and nontoxic and natural abundance, transition metal oxides would significantly be apt as a promising anode material 9−13 to replace the commercial graphite in which manganese ferrites were prominently chosen as a new-gen anode material due to its high theoretical capacity of around 930 mAh g −1 and its compatible nature. 14,15 MnFe 2 O 4 is stable in the open atmosphere when compared to other metal ferrites (X-Fe 2 O 4 , X = Co, Ni, Cu, and Zn), which readily tend to oxidize. 16 Also, MnFe 2 O 4 would be the most efficient compound to iron-based materials for its high similarity in atomic structure, crystal symmetry, etc.…”

Section: Introductionmentioning

confidence: 99%

“…High-performing energy storage devices are highly recommended for future technology in the upcoming transport systems, electronic gadgets, etc. − Upon the different types of rechargeable batteries, the lithium-ion battery has been identified as an emerging battery technology due to the superior performance of its high power and energy density. − Considering the factors of enhanced specific capacitance and nontoxic and natural abundance, transition metal oxides would significantly be apt as a promising anode material − to replace the commercial graphite in which manganese ferrites were prominently chosen as a new-gen anode material due to its high theoretical capacity of around 930 mAh g –1 and its compatible nature. , MnFe 2 O 4 is stable in the open atmosphere when compared to other metal ferrites (X-Fe 2 O 4 , X = Co, Ni, Cu, and Zn), which readily tend to oxidize . Also, MnFe 2 O 4 would be the most efficient compound to iron-based materials for its high similarity in atomic structure, crystal symmetry, etc .…”

Section: Introductionmentioning

confidence: 99%

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Time-Efficient Fabrication of Stable Core–Shell Spinel Ferrites on a Self-Assembled Nanoarchitectonic Graphene Matrix as a New-Gen Anode for Li-Ion Batteries

Kalidass,

Sivasankar,

Sambandam

2024

Ind. Eng. Chem. Res.

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With the considerations of attaining high-capacity anode material for longer cycles at a high charge−discharge rate, in this work, a facile core−shell manganese ferrite/reduced graphene oxide (CSMF/rGO) was fabricated in situ through a rapid two-step ultrasonication method. For that, the CSMF was synthesized by adopting a simple but effective electrochemical method with ultrasound assistance. The prepared three-dimensional network of CSMF was incorporated into the self-assembled graphene matrix by in situultrasonication to form a hybrid nanoarchitectonic composite (CSMF/rGO). The coupled effect of redox reactions and ultrasonic cavitation for the formation of CSMF/rGO were discussed. The self-assembled hybrid nanoarchitectonic structure has the beneficial features of tight-packing configuration, which resolves the volume expansion−contraction nature of magnetite and simultaneously provides improvement for the movement of lithium ions and electrons during charge−discharge cycles. As a result, the CSMF/rGO electrode delivers a high initial discharge capacity of 1512 mAh g −1 at 0.2 A g −1 current density and provides a better reversible capacity of 492 mAh g −1 at a high-current density of 2.0 A g −1 after 500 cycles with high Coulombic efficiency (>99%). The results of this report would be helpful to design a CSMF/rGO hybrid electrode as a new-gen anode for the utilization of lithium-ion batteries under an economic and rapid synthesis method.

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Section: Introductionmentioning

confidence: 99%