Hybrid Aerocapacitor{trademark}-battery power sources

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PolyStor, Power-One, LLNL and Aerojet are participants in a Technology Reinvestment Program contract supported by the Advanced Research Project Agency for developing carbon aerogel-based Electrolytic Double Layer Capacitors (Aerocapacitors). This paper reports some recent results for organic-electrolyte Aerocapacitors developed under this contract and initial results on their use in electrolytic double layer capacitor (EDLC)-battery power sources. EDLC-battery hybrid power sources offer the potential for increased discharge time, improved low temperature performance and longer cycle life vis-a-vis batteries in pulse discharge applications. The authors previously presented performance results for AA Aerocapacitors but this is the first report of their work on ... continued below

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4 p.

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Isaacson, M.J.; Kraemer, B.J. & Laramore, T.J. October 1, 1997.

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Description

PolyStor, Power-One, LLNL and Aerojet are participants in a Technology Reinvestment Program contract supported by the Advanced Research Project Agency for developing carbon aerogel-based Electrolytic Double Layer Capacitors (Aerocapacitors). This paper reports some recent results for organic-electrolyte Aerocapacitors developed under this contract and initial results on their use in electrolytic double layer capacitor (EDLC)-battery power sources. EDLC-battery hybrid power sources offer the potential for increased discharge time, improved low temperature performance and longer cycle life vis-a-vis batteries in pulse discharge applications. The authors previously presented performance results for AA Aerocapacitors but this is the first report of their work on hybrid power sources. Prototype organic-electrolyte Aerocapacitors exhibit low equivalent series resistance (ESR), high capacitance, excellent rate capability at room temperature and low temperatures, and long life. The AA-size devices assembled for testing have ESRs of 20-30 m{Omega} at 1000 Hz and capacitances of about 6 Farads. They are capable of being discharged at very high rates. The capacity at 15 Amps is about 71% of the capacity at 1 Amp. The capacity at 1 Amp and {minus}40{degrees}C is 57% of the room-temperature 1 Amp capacity. AA Aerocapacitors have demonstrated 32,000 cycles in cycle life testing. After an initial capacity decrease of about 17% the capacity remained almost constant between cycle 10,000 and cycle 32,000.

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4 p.

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OSTI as DE98000669

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  • Other Information: PBD: [1997]

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  • Other: DE98000669
  • Report No.: DOE/ID/13283--T1-App.C-Pt.1
  • Grant Number: FC07-94ID13283
  • DOI: 10.2172/539851 | External Link
  • Office of Scientific & Technical Information Report Number: 539851
  • Archival Resource Key: ark:/67531/metadc690330

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 13, 2015, 8:24 p.m.

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Isaacson, M.J.; Kraemer, B.J. & Laramore, T.J. Hybrid Aerocapacitor{trademark}-battery power sources, report, October 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc690330/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.