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Summary of the Power Systems Workshop on Nanotechnology for the Intelligence Community Interim Report (2004) / Chapter Skim
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Topic 2: Nanoscale Properties of Energy Storage Materials
Pages 7-10

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 7...
... AB INITIO METHODS IN POWER TECHNOLOGIES: BATTERIES AND NANOSCALE MATERIALS Dane Morgan made the case for rational materials design based on ab initio calculations involving well-characterized systems having a small number of atoms (calculations with 100-150 atoms are average; 1,000 atoms would be a maximum)
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From page 8...
... The experimental approach is to use Raman spectroscopy, which is a vibrational probe that reflects local forces and small volumes in a time-resolved fashion (but provides only indirect structural information) , and correlate Raman spectral changes observed on charging and discharging with data obtained using xray diffraction (XRD)
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From page 9...
... increased energy capacity an order of magnitude by better design rather than by different materials. A further twofold increase can be obtained by cycling deeper (e.g., 20 percent discharge as opposer} to the current typical discharge of 10 percent)
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Key Terms

  • ann marie
  • dane morgan
  • aspect ratio
  • initio calculations
  • marie sastry

  • nanostructured materials
  • packing fraction
  • local forces
  • power supplies
  • energy capacity

  • indirect structural
  • improve capacity
  • varied according
  • rational materials
  • complementary surfaces

  • obtained using
  • aspect ratios
  • supplies means
  • increased energy
  • achieving percolation

  • structural probe
  • nanotube bundles
  • particles usually
  • xray diffraction
  • diamond film

  • unwanted chemical
  • electron conductivity
  • volume changes
  • discussed models
  • intercalation oxides


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