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CARBON - LEAD BLENDS FOR USE IN HYBRID ENERGY STORAGE DEVICES

  • US 20130004841A1
  • Filed: 06/01/2012
  • Published: 01/03/2013
  • Est. Priority Date: 06/03/2011
  • Status: Active Grant
First Claim
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1. A blend comprising carbon and lead, wherein the blend comprises a total impurity content of less than 500 ppm of all elements having atomic numbers ranging from 11 to 92, excluding lead, as measured by proton induced x-ray emission.

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