Promises and challenges of alloy-type and conversion-type anode materials for sodium–ion batteries

Abstract : Sodium-ion batteries (SIBs) are considered as one of the most promising candidates for competing with lithium-ion batteries owing to significant natural abundance of sodium and similar reaction mechanism. The large radius of Na+ (1.02 Å) severely impedes the electrochemical performance, especially high-rate capability and long-cycle stability of SIBs. Together with the cathode and electrolyte, the anode determines full battery's operating voltage and plays a vital role in avoiding sodium dendrite in terms of redox potential. On this account, the anode holds a prime importance toward the development of advanced SIBs with high rate capability and superior durability. Herein, we present a review on the exciting advances in alloy- and conversion-type anode materials as well as solid-electrolyte interphase layer for SIBs aiming at the improvement of rate capability and cycling life. Finally, the challenges and some of the critical issues in alloy-type and conversion-type anode materials for sodium-ion batteries are addressed.
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https://hal.archives-ouvertes.fr/hal-02350959
Contributor : Jolanta Swiatowska <>
Submitted on : Wednesday, November 6, 2019 - 11:11:46 AM
Last modification on : Thursday, November 7, 2019 - 1:44:02 AM

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Jolanta Swiatowska, Lichuan Wang, Jolanta Światowska, Sirui Dai, Minglei Cao, et al.. Promises and challenges of alloy-type and conversion-type anode materials for sodium–ion batteries. Materials Today Energy, 2019, 11, pp.46-60. ⟨10.1016/j.mtener.2018.10.017⟩. ⟨hal-02350959⟩

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