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Conduction below 100 °C in nominal Li6ZnNb4O14

Publication ,  Journal Article
Li, Y; Paranthaman, MP; Gill, LW; Hagaman, EW; Wang, Y; Sokolov, AP; Dai, S; Ma, C; Chi, M; Veith, GM; Manthiram, A; Goodenough, JB
Published in: Journal of Materials Science
January 1, 2016

The increasing demand for a safe rechargeable battery with a high energy density per cell is driving a search for a novel solid electrolyte with a high Li+ or Na+ conductivity that is chemically stable in a working Li-ion or Na-ion battery. Li6ZnNb4O14 (LZNO) has been reported to exhibit a σLi > 10−2 S cm−1 at 250 °C, but to disproportionate into multiple phases on cooling from 850 °C to room-temperature. An investigation of the room-temperature Li-ion conductivity in a porous pellet of a multiphase product of a nominal LZNO composition is shown to have bulk σLi ≈ 3.3 × 10−5 S cm−1 at room-temperature that increases to 1.4 × 10−4 S cm−1 by 50 °C. 7Li MAS NMR spectra were fitted to two Lorentzian lines, one of which showed a dramatic increase with increasing temperature. A test for water stability indicates that Li+ may move to the particle and grain surfaces to react with adsorbed water as occurs in the garnet Li+ conductors.

Duke Scholars

Published In

Journal of Materials Science

DOI

EISSN

1573-4803

ISSN

0022-2461

Publication Date

January 1, 2016

Volume

51

Issue

2

Start / End Page

854 / 860

Related Subject Headings

  • Materials
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
 

Citation

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Li, Y., Paranthaman, M. P., Gill, L. W., Hagaman, E. W., Wang, Y., Sokolov, A. P., … Goodenough, J. B. (2016). Conduction below 100 °C in nominal Li6ZnNb4O14. Journal of Materials Science, 51(2), 854–860. https://doi.org/10.1007/s10853-015-9408-z
Li, Y., M. P. Paranthaman, L. W. Gill, E. W. Hagaman, Y. Wang, A. P. Sokolov, S. Dai, et al. “Conduction below 100 °C in nominal Li6ZnNb4O14.” Journal of Materials Science 51, no. 2 (January 1, 2016): 854–60. https://doi.org/10.1007/s10853-015-9408-z.
Li Y, Paranthaman MP, Gill LW, Hagaman EW, Wang Y, Sokolov AP, et al. Conduction below 100 °C in nominal Li6ZnNb4O14. Journal of Materials Science. 2016 Jan 1;51(2):854–60.
Li, Y., et al. “Conduction below 100 °C in nominal Li6ZnNb4O14.” Journal of Materials Science, vol. 51, no. 2, Jan. 2016, pp. 854–60. Scopus, doi:10.1007/s10853-015-9408-z.
Li Y, Paranthaman MP, Gill LW, Hagaman EW, Wang Y, Sokolov AP, Dai S, Ma C, Chi M, Veith GM, Manthiram A, Goodenough JB. Conduction below 100 °C in nominal Li6ZnNb4O14. Journal of Materials Science. 2016 Jan 1;51(2):854–860.
Journal cover image

Published In

Journal of Materials Science

DOI

EISSN

1573-4803

ISSN

0022-2461

Publication Date

January 1, 2016

Volume

51

Issue

2

Start / End Page

854 / 860

Related Subject Headings

  • Materials
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences