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The re-emergence of sodium ion batteries: testing, processing, and manufacturability

Authors Roberts S, Kendrick E

Received 8 February 2018

Accepted for publication 19 March 2018

Published 1 June 2018 Volume 2018:11 Pages 23—33

DOI https://doi.org/10.2147/NSA.S146365

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 3

Editor who approved publication: Professor Israel (Rudi) Rubinstein


Samuel Roberts, Emma Kendrick

WMG, University of Warwick, Coventry, UK


Abstract: With the re-emergence of sodium ion batteries (NIBs), we discuss the reasons for the recent interests in this technology and discuss the synergies between lithium ion battery (LIB) and NIB technologies and the potential for NIB as a “drop-in” technology for LIB manufacturing. The electrochemical testing of sodium materials in sodium metal anode arrangements is reviewed. The performance, stability, and polarization of the sodium in these test cells lead to alternative testing in three-electrode and alternative anode cell configurations. NIB manufacturability is also discussed, together with the impact that the material stability has upon the electrodes and coating. Finally, full-cell NIB technologies are reviewed, and literature proof-of-concept cells give an idea of some of the key differences in the testing protocols of these batteries. For more commercially relevant formats, safety, passive voltage control through cell balancing and cell formation aspects are discussed.

Keywords: sodium ion battery, NIB, cell manufacturing, electrode processing, Na ion, cell testing, anode, cathode, full cells

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