scholarly journals Under Pressure: Mechanochemical Effects on Structure and Ion Conduction in the Sodium-Ion Solid Electrolyte Na3PS4

2020 ◽  
Vol 142 (43) ◽  
pp. 18422-18436 ◽  
Author(s):  
Theodosios Famprikis ◽  
Ö. Ulaş Kudu ◽  
James A. Dawson ◽  
Pieremanuele Canepa ◽  
François Fauth ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Sodium Ion ◽  
Ion Conduction

scholarly journals Voltammetric Enhancement of Li-Ion Conduction in Al-Doped Li7–xLa3Zr2O12 Solid Electrolyte

2017 ◽  
Vol 121 (29) ◽  
pp. 15565-15573 ◽  
Author(s):  
Yu-Ting Chen ◽  
Anirudha Jena ◽  
Wei Kong Pang ◽  
Vanessa K. Peterson ◽  
Hwo-Shuenn Sheu ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Ion Conduction ◽  
Li Ion

A Self-Binding, Melt-Castable, Crystalline Organic Electrolyte for Sodium Ion Conduction

2016 ◽  
Vol 128 (49) ◽  
pp. 15480-15483 ◽  
Author(s):  
Parameswara Rao Chinnam ◽  
Birane Fall ◽  
Dmitriy A. Dikin ◽  
AbdelAziz Jalil ◽  
Clifton R. Hamilton ◽  
...  
Keyword(s):  
Sodium Ion ◽  
Organic Electrolyte ◽  
Ion Conduction

Capacity losses due to solid electrolyte interphase formation and sodium diffusion in sodium-ion batteries

2021 ◽  
Author(s):  
Le Anh Ma ◽  
Alexander Buckel ◽  
Leif Nyholm ◽  
Reza Younesi
Keyword(s):  
Carbon Black ◽  
Solid Electrolyte ◽  
Solid Electrolyte Interphase ◽  
Open Circuit ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Electrochemical Testing ◽  
Capacity Loss ◽  
Sei Layer ◽  
Sodium Diffusion

Abstract Knowledge about capacity losses due to the formation and dissolution of the solid electrolyte interphase (SEI) layer in sodium-ion batteries (SIBs) is still limited. One major challenge in SIBs is the fact that the SEI generally contains more soluble species than the corresponding SEI layers formed in Li-ion batteries. By cycling carbon black electrodes against Na-metal electrodes, to mimic the SEI formation on negative SIB electrodes, this study studies the associated capacity losses in different carbonate electrolyte systems. Using electrochemical testing and synchrotron-based X-ray photoelectron (XPS) experiments, the capacity losses due to changes in the SEI layer and diffusion of sodium in the carbon black electrodes during open circuit pauses of 50 h, 30 h, 15 h and 5 h are investigated in nine different electrolyte systems. The different contributions to the open circuit capacity loss were determined using a new approach involving different galvanostatic cycling protocols. It is shown that the capacity loss depends on the interplay between the electrolyte chemistry and the thickness and stability of the SEI layer. The results show, that the Na-diffusion into the bulk electrode gives rise to a larger capacity loss than the SEI dissolution. Hence, Na-trapping effect is one of the major contribution in the observed capacity losses. Furthermore, the SEI formed in NaPF6-EC:DEC was found to become slightly thicker during 50 h pause, due to self-diffused deintercalation of Na from the carbon black structure coupled by further electrolyte reduction. On the other hand, the SEI in NaTFSI with the same solvent goes into dissolution during pause. The highest SEI dissolution rate and capacity loss was observed in NaPF6-EC:DEC (0.57 μAh/hpause) and the lowest in NaTFSI-EC:DME (0.15 μAh/hpause).

scholarly journals Investigation of the Li-ion conduction behavior in the Li10GeP2S12 solid electrolyte by two-dimensional T1-spin alignment echo correlation NMR

2018 ◽  
Vol 294 ◽  
pp. 133-142 ◽  
Author(s):  
M.C. Paulus ◽  
M.F. Graf ◽  
P.P.R.M.L. Harks ◽  
A. Paulus ◽  
P.P.M. Schleker ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Two Dimensional ◽  
Spin Alignment ◽  
Ion Conduction ◽  
Conduction Behavior ◽  
Li Ion

Graphite as Cointercalation Electrode for Sodium-Ion Batteries: Electrode Dynamics and the Missing Solid Electrolyte Interphase (SEI)

2018 ◽  
Vol 8 (16) ◽  
pp. 1702724 ◽  
Author(s):  
Mustafa Goktas ◽  
Christoph Bolli ◽  
Erik J. Berg ◽  
Petr Novák ◽  
Kilian Pollok ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Solid Electrolyte Interphase ◽  
Sodium Ion ◽  
Sodium Ion Batteries

A Dramatic Reduction in the Sintering Temperature of the Refractory Sodium β’’-Alumina Solid Electrolyte via Cold Sintering

2021 ◽  
Author(s):  
Zane A. Grady ◽  
Arnaud Ndayishimiye ◽  
Clive A Randall
Keyword(s):  
Solid State ◽  
Solid Electrolyte ◽  
Sintering Temperature ◽  
Sodium Ion ◽  
Dramatic Reduction ◽  
Sintering Process ◽  
Sodium Beta Alumina ◽  
Beta Alumina

The cold sintering process is successfully applied to one of the most refractory solid-state sodium-ion electrolytes, namely sodium beta alumina (SBA). By using a hydroxide-based transient solvent, SBA is densified...

Sign in / Sign up

Export Citation Format

Share Document