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Complex Hydrides with (BH4)− and (NH2)− Anions as New Lithium Fast-Ion Conductors
Open accessAbstract
Some of the authors have reported that a complex hydride, Li(BH(4)), with the (BH(4))(-) anion exhibits lithium fast-ion conduction (more than 1 x 10(-3) S/cm) accompanied by the structural transition at approximately 390 K for the first time in 30 years since the conduction in Li(2)(NH) was reported in 1979. Here we report another conceptual study and remarkable results of Li(2)(BH(4))(NH(2)) and Li(4)(BH(4))(NH(2))(3) combined with the (BH(4))(-) and (NH(2))(-) anions showing ion conductivities 4 orders of magnitude higher than that for Li(BH(4)) at RT, due to being provided with new occupation sites for Li(+) ions. Both Li(2)(BH(4))(NH(2)) and Li(4)(BH(4))(NH(2))(3) exhibit a lithium fast-ion conductivity of 2 x 10(-4) S/cm at RT, and the activation energy for conduction in Li(4)(BH(4))(NH(2))(3) is evaluated to be 0.26 eV, less than half those in Li(2)(BH(4))(NH(2)) and Li(BH(4)). This study not only demonstrates an important direction in which to search for higher ion conductivity in complex hydrides but also greatly increases the material variations of solid electrolytes.
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Citations
Cited by
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Tian, Y., Zeng, G., Rutt, A., Shi, T., Kim, H., Wang, J., Koettgen, J., Sun, Y., Ouyang, B., Chen, T., et al. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00767 · Cited by 1,614
Wang, C., Liang, J., Zhao, Y., Zheng, M., Li, X., & Sun, X. (2021) · Energy & Environmental Science · doi:10.1039/d1ee00551k · Cited by 489
Sendek, A. D., Yang, Q., Cubuk, E. D., Duerloo, K.-A. N., Cui, Y., & Reed, E. J. (2017) · Energy & Environmental Science · doi:10.1039/c6ee02697d · Cited by 448
Metal borohydrides and derivatives – synthesis, structure and properties
Paskevicius, M., Jepsen, L. H., Schouwink, P., Černý, R., Ravnsbæk, D. B., Filinchuk, Y., Dornheim, M., Besenbacher, F., & Jensen, T. R. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00705h · Cited by 406
Metadata
- Authors
- Matsuo, M., Remhof, A., Martelli, P., Caputo, R., Ernst, M., Miura, Y., Sato, T., Oguchi, H., Maekawa, H., Takamura, H., Borgschulte, A., Züttel, A., & Orimo, S.-I.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-10-26
- Volume
- 131
- Issue
- 45
- Pages
- 16389-16391
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1978003827
- Cited by
- 224
- References
- 0
- FWCI
- 6.07
- Type
- journal article
- Language
- en
- Open access
- green
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- The paper
- Matsuo, M., Remhof, A., Martelli, P., Caputo, R., Ernst, M., Miura, Y., Sato, T., Oguchi, H., Maekawa, H., Takamura, H., Borgschulte, A., Züttel, A., & Orimo, S.-I. (2009). Complex Hydrides with (BH4)− and (NH2)− Anions as New Lithium Fast-Ion Conductors. Journal of the American Chemical Society. https://doi.org/10.1021/ja907249p
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