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Title: Self-Assembled Array of Tethered Manganese Oxide Nanoparticles for the Next Generation of Energy Storage

There are many challenges to overcome in order to create reliable electrochemical energy storage devices with not only high energy but also high power densities. Gaps exist in both battery and supercapacitor technologies, with neither one satisfying the need for both large power and energy densities in a single device. We report a process to create a self-assembled array of electrochemically active nanoparticles bound directly to a current collector using extremely short (2 nm or less) conductive tethers, in order to begin addressing these challenges (and others). The tethered array of nanoparticles, MnO in this case, bound directly to a gold current collector via short conducting linkages eliminates the need for fillers, resulting in a material which achieves 99.9% active material by mass (excluding the current collector). Our strategy is expected to be both scalable as well as effective for alternative tethers and metal oxide nanoparticles.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Report Number(s):
SAND-2017-3396J; SAND-2014-17731J
Journal ID: ISSN 2045-2322; 652146
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE; 77 NANOSCIENCE AND NANOTECHNOLOGY; molecular self-assembly; nanoparticles
OSTI Identifier:
1356216

Stevens, Tyler E., Pearce, Charles J., Whitten, Caleah N., Grant, Richard P., and Monson, Todd C.. Self-Assembled Array of Tethered Manganese Oxide Nanoparticles for the Next Generation of Energy Storage. United States: N. p., Web. doi:10.1038/srep44191.
Stevens, Tyler E., Pearce, Charles J., Whitten, Caleah N., Grant, Richard P., & Monson, Todd C.. Self-Assembled Array of Tethered Manganese Oxide Nanoparticles for the Next Generation of Energy Storage. United States. doi:10.1038/srep44191.
Stevens, Tyler E., Pearce, Charles J., Whitten, Caleah N., Grant, Richard P., and Monson, Todd C.. 2017. "Self-Assembled Array of Tethered Manganese Oxide Nanoparticles for the Next Generation of Energy Storage". United States. doi:10.1038/srep44191. https://www.osti.gov/servlets/purl/1356216.
@article{osti_1356216,
title = {Self-Assembled Array of Tethered Manganese Oxide Nanoparticles for the Next Generation of Energy Storage},
author = {Stevens, Tyler E. and Pearce, Charles J. and Whitten, Caleah N. and Grant, Richard P. and Monson, Todd C.},
abstractNote = {There are many challenges to overcome in order to create reliable electrochemical energy storage devices with not only high energy but also high power densities. Gaps exist in both battery and supercapacitor technologies, with neither one satisfying the need for both large power and energy densities in a single device. We report a process to create a self-assembled array of electrochemically active nanoparticles bound directly to a current collector using extremely short (2 nm or less) conductive tethers, in order to begin addressing these challenges (and others). The tethered array of nanoparticles, MnO in this case, bound directly to a gold current collector via short conducting linkages eliminates the need for fillers, resulting in a material which achieves 99.9% active material by mass (excluding the current collector). Our strategy is expected to be both scalable as well as effective for alternative tethers and metal oxide nanoparticles.},
doi = {10.1038/srep44191},
journal = {Scientific Reports},
number = ,
volume = 7,
place = {United States},
year = {2017},
month = {3}
}

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