Aqueous semi-solid flow cell: Demonstration and analysis

Zheng Li, Kyle C. Smith, Yajie Dong, Nir Baram, Frank Y. Fan, Jing Xie, Pimpa Limthongkul, W. Craig Carter, Yet Ming Chiang

Research output: Contribution to journalArticlepeer-review

Abstract

An aqueous Li-ion flow cell using suspension-based flow electrodes based on the LiTi2(PO4)3-LiFePO4 couple is demonstrated. Unlike conventional flow batteries, the semi-solid approach utilizes fluid electrodes that are electronically conductive. A model of simultaneous advection and electrochemical transport is developed and used to separate flow-induced losses from those due to underlying side reactions. The importance of plug flow to achieving high energy efficiency in flow batteries utilizing highly non-Newtonian flow electrodes is emphasized.

Original languageEnglish (US)
Pages (from-to)15833-15839
Number of pages7
JournalPhysical Chemistry Chemical Physics
Volume15
Issue number38
DOIs
StatePublished - Oct 14 2013
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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