Facile formation of a nanostructured NiP<sub>2</sub>@C material for advanced lithium-ion battery anode using adsorption property of metal–organic framework

Li, Gaihua; Yang, Hao; Li, Fengcai; Du, Jia; Shi, Wei; Cheng, Peng

doi:10.1039/c6ta02059c

Cited by 100 publications

(77 citation statements)

References 43 publications

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“…The trend between the level of phosphidation and specific capacity can be attributed to the electrochemical reaction mechanism between Li + ions and nickel phosphide, which involves intercalation and conversion. During discharge, it has been proposed that lithium ions first intercalate with Ni x P y to form LiNi x P y complexes, followed by conversion to Li 3 P and Ni metal . Nickel phosphides with higher phosphorus content will yield stoichiometrically more Li 3 P during discharge and therefore have intrinsically higher theoretical capacities.…”

Section: Resultsmentioning

confidence: 99%

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

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Wei

Belcher

2019

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Transition metal phosphides are a new class of materials generating interest as alternative negative electrodes in lithium‐ion batteries. However, metal phosphide syntheses remain underdeveloped in terms of simultaneous control over phase composition and 3D nanostructure. Herein, M13 bacteriophage is employed as a biological scaffold to develop 3D nickel phosphide nanofoams with control over a range of phase compositions and structural elements. Virus‐templated Ni5P4 nanofoams are then integrated as thin‐film negative electrodes in lithium‐ion microbatteries, demonstrating a discharge capacity of 677 mAh g–1 (677 mAh cm–3) and an 80% capacity retention over more than 100 cycles. This strong electrochemical performance is attributed to the virus‐templated, nanostructured morphology, which remains electronically conductive throughout cycling, thereby sidestepping the need for conductive additives. When accounting for the mass of additional binder materials, virus‐templated Ni5P4 nanofoams demonstrate the highest practical capacity reported thus far for Ni5P4 electrodes. Looking forward, this synthesis method is generalizable and can enable precise control over the 3D nanostructure and phase composition in other metal phosphides, such as cobalt and copper.

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Section: Resultsmentioning

confidence: 99%

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

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Wei

Belcher

2019

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“…The high diffusion coefficient explains the excellent rate performance and long‐cycle stability of M‐FeP@C hybrid nanofibers. Figure g shows a comparison of rate performance of M‐FeP@C and other phosphide‐based anodes ,,. It can be clearly observed that the 1D M‐FeP@C hybrid nanofibers have superior rate performance.…”

Section: Resultsmentioning

confidence: 99%

Hierarchically Porous Carbon Nanofibers Encapsulating Carbon‐Coated Mini Hollow FeP Nanoparticles for High Performance Lithium and Sodium Ion Batteries

Wang

et al. 2018

ChemNanoMat

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Metal phosphides are appealing candidates for lithium and sodium ion batteries due to their moderate discharge plateau, relatively low polarization and impressive theoretical capacity. Unfortunately, the poor capacity retention and limited cycle life are still big problems as for other phase‐transformation‐type anode materials. Herein, we report a novel one‐dimensional hierarchical material, consisting of carbon‐coated mini hollow FeP nanoparticles homogeneously encapsulated in porous carbon nanofibers (denoted as M‐FeP@C) through a low temperature phosphidation method. The M‐FeP@C hybrid nanofibers deliver high specific capacity, long cycling life stability (542 mAh g−1 after 300 cycles at 1 A g−1) and excellent rate capability for half and full lithium‐ion batteries. In addition, the M‐FeP@C hybrid nanofibers show 474 mAh g−1 after 100 cycles at 0.1 A g−1 as an anode for sodium ion batteries. The outstanding electrochemical performance of the M‐FeP@C hybrid nanofibers for both lithium and sodium storage can be attributed to the advantageous embedding architecture between the mini hollow FeP nanoparticles and double carbon layers scaffold, which offer not only a continuous conducting framework and nanoporous channels for efficient diffusion and transport of ions/electrons, but also provide enough voids to alleviate the volume changes during cycling.

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“…The G band is the result of a radial C-C stretching mode of sp 2 -bonded carbon, and the G bond is from a rst-order zone boundary phonon mode associated with defects in the graphene or graphene edge. 20,41,46 Because the height of the G band is higher than that of D band, this carbon material is of low defect density, which is benecial for electron transfer. Raman peak for initial SnO 2 nanoparticles and SOC-3 were also tested to identify structural change (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…For example, by carbonizing Ni-based metal-organic framework (Ni-MOF-74) with adsorptive red phosphorus precursors, NiP 2 @C nanocomposites were successfully synthesized and exhibited excellent reversible capacity of 656 mA h g À1 at 50 mA g À1 aer 50 cycles. 41 SnO 2 @C nanocomposite exhibiting a high reversible capacity of 900 mA h g À1 at 100 mA g À1 aer 50…”

Section: Introductionmentioning

confidence: 99%

Nitrogen-doped-carbon-coated SnO₂nanoparticles derived from a SnO₂@MOF composite as a lithium ion battery anode material

Yang

et al. 2017

RSC Adv.

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N-Doped-carbon-coated 2-4 nm SnO 2 nanoparticles were synthesized via a facile metal-organic framework (MOF) coating process followed by a calcination of the SnO 2 @MOF composite. The asprepared SnO 2 nanoparticles are well dispersed and coated with a uniform nitrogenous carbon structure, which can effectively prevent volume expansion during discharge and charge processes. Benefiting from the advantages of a synergistic effect of SnO 2 nanoparticles and carbon structure, these materials exhibit excellent electrochemical performance. For the optimized material SOC-3, a reversible specific capacity of 1032 mA h g À1 was maintained at 100 mA g À1 after 150 cycles with a coulombic efficiency of 99%.When the current was increased to 500 mA g À1 , a capacity of 600 mA h g À1 was still attained.

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Facile formation of a nanostructured NiP₂@C material for advanced lithium-ion battery anode using adsorption property of metal–organic framework

Abstract: Utilizing the adsorption properties of MOFs, a nanostructured NiP2@C was successfully synthesized, which exhibited enhanced capability for lithium storage in terms of both the reversible specific capacity and high-rate performance.

Cited by 100 publications

References 43 publications

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

Hierarchically Porous Carbon Nanofibers Encapsulating Carbon‐Coated Mini Hollow FeP Nanoparticles for High Performance Lithium and Sodium Ion Batteries

Nitrogen-doped-carbon-coated SnO₂nanoparticles derived from a SnO₂@MOF composite as a lithium ion battery anode material

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Facile formation of a nanostructured NiP2@C material for advanced lithium-ion battery anode using adsorption property of metal–organic framework

Abstract: Utilizing the adsorption properties of MOFs, a nanostructured NiP2@C was successfully synthesized, which exhibited enhanced capability for lithium storage in terms of both the reversible specific capacity and high-rate performance.

Cited by 100 publications

References 43 publications

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

Virus‐Templated Nickel Phosphide Nanofoams as Additive‐Free, Thin‐Film Li‐Ion Microbattery Anodes

Hierarchically Porous Carbon Nanofibers Encapsulating Carbon‐Coated Mini Hollow FeP Nanoparticles for High Performance Lithium and Sodium Ion Batteries

Nitrogen-doped-carbon-coated SnO2nanoparticles derived from a SnO2@MOF composite as a lithium ion battery anode material

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Product

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Facile formation of a nanostructured NiP₂@C material for advanced lithium-ion battery anode using adsorption property of metal–organic framework

Nitrogen-doped-carbon-coated SnO₂nanoparticles derived from a SnO₂@MOF composite as a lithium ion battery anode material