Using coin cells for ultracapacitor electrode material testing

  • Meryl D. Stoller
  • , Scott A. Stoller
  • , Neil Quarles
  • , Ji Won Suk
  • , Shanthi Murali
  • , Yanwu Zhu
  • , Xianjun Zhu
  • , Rodney S. Ruoff

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The effects of compressive force and the addition of conductive fillers on ultracapacitor electrode performance measurements were studied. We have shown that the force exerted by typical battery coin cell components is inadequate, resulting in erroneous measurements of electrode performance. We further demonstrated that with modest modifications, coin cell measurements can equal those of specialized test fixtures and of packaged cells.

Original languageEnglish
Pages (from-to)681-686
Number of pages6
JournalJournal of Applied Electrochemistry
Volume41
Issue number6
DOIs
StatePublished - Jun 2011
Externally publishedYes

Keywords

  • Coin cell
  • Electrode testing
  • Energy storage
  • Ultracapacitors

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