DataVXACS Applied Nano MaterialsPaper
journal article·2024-12-13Open access

Magnetic-Field-Assisted Synthesis of Cobalt Nanowire Aerogels: Implications for Energy Storage and Electrocatalytic Applications

Rosemary L. Calabro, Malina O. Hatton, Kennedy V. Munz, Alexander D. Ciampa, Timothy J. Lawton, Kelsey M. Healy, Peter H. Chapman, Enoch A. Nagelli, Stephen F. Bartolucci, Joshua A. Maurer, F. John Burpo

ACS Applied Nano Materials· Volume 7· Issue 23
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Abstract

High Resolution Image Download MS PowerPoint Slide Cobalt aerogels present solutions to challenges in energy, sensing, and catalysis, but their syntheses have limitations including aggregation, required templates, and slow reactant diffusion times. We demonstrate a magnetic-field-assisted synthesis as a simple, fast, and scalable strategy to produce cobalt nanowire (CoNW) aerogels with tunable nanostructure, material phase, magneto-responsiveness, and accessible surface area for electrocatalytic applications. Varying the magnetic field revealed that higher applied fields favor longer, higher aspect ratio CoNWs. Thermal annealing allowed conversion of the CoNWs to Co 3 O 4 . Finally, the applied field strength and annealing parameters influenced the aerogel surface areas, pore volumes, magnetizations, coercivities, and specific capacitances.
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Research context

NanomaterialsCatalysis & surfacesMaterials processing

OpenAlex topics: Supercapacitor Materials and Fabrication · Nanomaterials for catalytic reactions · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States

U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, Watervliet, New York 12189, United States

U.S. Army Combat Capabilities Development Command Soldier Center, Natick, Massachusetts 01760, United States

Department of Physics and Nuclear Engineering, United States Military Academy, West Point, New York 10996, United States

Photonics Research Center, United States Military Academy, West Point, New York 10996, United States

Funding

U.S. Army Combat Capabilities Development Command

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