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      One-dimensional peptide nanostructure templated growth of iron phosphate nanostructures for lithium-ion battery cathodes

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      Author
      Susapto, H. H.
      Kudu, O. U.
      Garifullin, R.
      Yllmaz, E.
      Güler, Mustafa O.
      Date
      2016-06
      Source Title
      ACS Applied Materials and Interfaces
      Print ISSN
      1944-8244
      Publisher
      American Chemical Society
      Volume
      8
      Issue
      27
      Pages
      17421 - 17427
      Language
      English
      Type
      Article
      Item Usage Stats
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      113
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      Abstract
      Template-directed synthesis of nanomaterials can provide benefits such as small crystalline size, high surface area, large surface-to-volume ratio, and structural stability. These properties are important for shorter distance in ion/electron movement and better electrode surface/electrolyte contact for energy storage applications. Here nanostructured FePO4 cathode materials were synthesized by using peptide nanostructures as a template inspired by biomineralization process. The amorphous, high surface area FePO4 nanostructures were utilized as a cathode for lithium-ion batteries. Discharge capacity of 155 mAh/g was achieved at C/20 current rate. The superior properties of biotemplated and nanostructured amorphous FePO4 are shown compared to template-free crystalline FePO4.
      Keywords
      Hydrogel
      Nanobelt
      Nanofiber
      Peptide amphiphile
      Self-assembly
      Template-directed materials
      Biomineralization
      Cathodes
      Crystalline materials
      Electric batteries
      Electrodes
      Hydrogels
      Ions
      Lithium alloys
      Lithium compounds
      Nanobelts
      Nanofibers
      Nanostructures
      Peptides
      Self assembly
      Stability
      Biomineralization process
      Discharge capacities
      Electrode surfaces
      Energy storage applications
      Lithium-ion battery cathodes
      Peptide amphiphiles
      Structural stabilities
      Template-directed synthesis
      Lithium-ion batteries
      Permalink
      http://hdl.handle.net/11693/36728
      Published Version (Please cite this version)
      https://doi.org/10.1021/acsami.6b02528
      Collections
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
      • Nanotechnology Research Center (NANOTAM) 1006
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