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Safety evaluation of rechargeable cells with lithium metal anodes and amorphous V2O5 cathodes

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Abstract

Rechargeable cells with lithium metal anodes have a very large theoretical energy density and are a promising cell system. However, rechargeable lithium metal cells are not yet currently commercially available. One of the biggest problems with the cells is the poor safety aspect resulting from the high chemical reactivity of lithium. We have been studying a cell system consisting of an amorphous (a-)V2O5P2O5 (95:5 in molar ratio) cathode, a lithium (Li) metal anode and an organic electrolyte in fabricating an AA-size prototype. In this paper, we report recent progress on our rechargeable lithium metal cell focusing on its safety.

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Authors and Affiliations

  1. NTT Integrated Information Energy Systems Laboratories, Tokai-Mura, Naka-Gun Ibaraki-Ken, Japan

    J.-I. Yamaki, S.-I. Tobishima, Y. Sakurai, K.-I. Saito & K. Hayashi

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  1. J.-I. Yamaki
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  2. S.-I. Tobishima
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  3. Y. Sakurai
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  4. K.-I. Saito
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  5. K. Hayashi
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Yamaki, JI., Tobishima, SI., Sakurai, Y. et al. Safety evaluation of rechargeable cells with lithium metal anodes and amorphous V2O5 cathodes. Journal of Applied Electrochemistry 28, 135–140 (1998). https://doi.org/10.1023/A:1003270406759

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  • DOI: https://doi.org/10.1023/A:1003270406759

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