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Lightweight Borohydrides Electro-Activity in Lithium Cells

Author

Listed:
  • Daniele Meggiolaro

    (Chemistry Department, Sapienza University, Piazzale Aldo Moro 5, Rome 00185, Italy
    Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche (ISC-CNR), via dei Taurini, Rome 00185, Italy)

  • Luca Farina

    (Chemistry Department, Sapienza University, Piazzale Aldo Moro 5, Rome 00185, Italy)

  • Laura Silvestri

    (Chemistry Department, Sapienza University, Piazzale Aldo Moro 5, Rome 00185, Italy)

  • Stefania Panero

    (Chemistry Department, Sapienza University, Piazzale Aldo Moro 5, Rome 00185, Italy)

  • Sergio Brutti

    (Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche (ISC-CNR), via dei Taurini, Rome 00185, Italy
    Dipartimento di Scienze, Università della Basilicata, v.le Ateneo Lucano 10, Potenza 85100, Italy)

  • Priscilla Reale

    (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile, ENEA, Centro Ricerche Casaccia, via Anguillarese 301, Rome 00123, Italy)

Abstract

As a substitute for graphite, the negative electrode material commonly used in Li-ion batteries, hydrides have the theoretical potential to overcome performance limits of the current state-of-the-art Li-ion cells. Hydrides can operate through a conversion process proved for some interstitial hydrides like MgH 2 : M x A y + n Li = x M + y Li m A, where m = n/y. Even if far from optimization, outstanding performances were observed, drawing the attention to the whole hydride family. Looking for high capacity systems, lightweight complex metal hydrides, such as borohydrides, deserve consideration. Capacities in the order of 2000–4000 mAh/g can be theoretically expected thanks to the very low formula unit weight. Although the potential technological impact of these materials can lead to major breakthroughs in Li-ion batteries, this new research field requires the tackling of fundamental issues that are completely unexplored. Here, our recent findings on the incorporation of borohydrides are presented and discussed.

Suggested Citation

  • Daniele Meggiolaro & Luca Farina & Laura Silvestri & Stefania Panero & Sergio Brutti & Priscilla Reale, 2016. "Lightweight Borohydrides Electro-Activity in Lithium Cells," Energies, MDPI, vol. 9(4), pages 1-11, March.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:4:p:238-:d:66466
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    Citations

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    Cited by:

    1. Sergio Brutti & Stefania Panero & Annalisa Paolone & Sara Gatto & Daniele Meggiolaro & Francesco M. Vitucci & Jessica Manzi & David Munaò & Laura Silvestri & Luca Farina & Priscilla Reale, 2017. "Hydrides as High Capacity Anodes in Lithium Cells: An Italian “Futuro in Ricerca di Base FIRB-2010” Project," Challenges, MDPI, vol. 8(1), pages 1-22, March.
    2. Kasper T. Møller & Drew Sheppard & Dorthe B. Ravnsbæk & Craig E. Buckley & Etsuo Akiba & Hai-Wen Li & Torben R. Jensen, 2017. "Complex Metal Hydrides for Hydrogen, Thermal and Electrochemical Energy Storage," Energies, MDPI, vol. 10(10), pages 1-30, October.

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