Synthesis of cubic Na3SbS4 solid electrolyte with enhanced ion transport for all-solid-state sodium-ion batteries

Zhang, De-Chao; Cao, Xiaoting; Xu, Di; Wang, Ning; Yu, Chuang; Hu, Wentao; Yan, Xinlin; Mi, Jianli; Wen, Bin; Wang, Limin; Zhang, Long

doi:10.1016/j.electacta.2017.10.173

Cited by 101 publications

(109 citation statements)

References 56 publications

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“…Capacity fade has also been observed in a Na 15 Sn 4 |NAS|NaCrO 2 full cell; therefore, it is crucial to understand the capacity fading mechanism for NAS. 42 To explore the reason behind the increasing polarization and the capacity fade, CV was conducted on a Na|NAS|NAS:C (1:1 weight ratio) cell at a scan rate of 5 mV sec −1 to evaluate the electrochemical stability of NAS within the operating voltage window of the TiS 2 -containing cell (1.2−2.4 V). It is worth mentioning that we use NAS-C ball milled composite as a cathode to run the CV for electrochemical stability test; similar methods to measure the electrochemical stability of LGPS and NPS have also been previously reported.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

New Insights into the Interphase between the Na Metal Anode and Sulfide Solid-State Electrolytes: A Joint Experimental and Computational Study

Kompella

Zhu

et al. 2018

ACS Appl. Mater. Interfaces

102

101

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In this work, we investigated the interface between the sodium anode and the sulfide-based solid electrolytes NaSbS (NAS), NaPS (NPS), and Cl-doped NPS (NPSC) in all-solid-state-batteries (ASSBs). Even though these electrolytes have demonstrated high ionic conductivities in the range of 1 mS cm at ambient temperatures, sulfide sold-state electrolytes (SSEs) are known to be unstable with Na metal, though the exact reaction mechanism and kinetics of the reaction remain unclear. We demonstrate that the primary cause of capacity fade and cell failure is a chemical reaction spurred on by electrochemical cycling that takes place at the interface between the Na anode and the SSEs. To investigate the properties of the Na-solid electrolyte interphase (SSEI) and its effect on cell performance, the SSEI was predicted computationally to be composed of NaS and NaSb for NAS and identified experimentally via X-ray photoelectron spectroscopy (XPS). These two compounds give the SSEI mixed ionic- and electronic-conducting properties, which promotes continued SSEI growth, which increases the cell impedance at the expense of cell performance and cycle life. The SSEI for NPS was similarly found to be comprised of NaS and NaP, but XPS analysis of Cl-doped NPS (NPSC) showed the presence of an additional compound at the SSEI, NaCl, which was found to mitigate the decomposition of NPS. The methodologies presented in this work can be used to predict and optimize the electrochemical behavior of an all-solid-state cell. Such joint computational and experimental efforts can inform strategies for engineering a stable electrolyte and SSEI to avoid such reactions. Through this work, we call for more emphasis on SSE compatibility with both anodes and cathodes, essential for improving the electrochemical properties, longevity, and practicality of Na-based ASSBs.

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Section: ■ Results and Discussionmentioning

confidence: 99%

New Insights into the Interphase between the Na Metal Anode and Sulfide Solid-State Electrolytes: A Joint Experimental and Computational Study

Kompella

Zhu

et al. 2018

ACS Appl. Mater. Interfaces

102

101

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“…Additionally, Na 3 SbS 4 can be synthesized under moderate conditions such as the aqueous-solution method. 15,65,78,79 When exposed in the air, pure Na 3 SbS 4 tends to form Na 3 SbS 4 $xH 2 O and could lose H 2 O reversibly after heating at 150 C for 1 hr ( Figure 4H). 65 Although the stability and ionic conductivity ($10 À3 S cm À1 ) of Na 3 SbS 4 is attractive, the toxicity of Sb should be considered.…”

Section: Sulfide-based Electrolytementioning

confidence: 99%

Electrolyte and Interface Engineering for Solid-State Sodium Batteries

Lü

Liu

Zhang

et al. 2018

Joule

395

340

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Sodium batteries are considered as promising candidates for large-scale energystorage systems owing to the abundant and low-cost sodium resources. However, many reported sodium batteries are based on conventional organic liquid electrolyte, which would lead to potential safety issues. Developing solid-state electrolyte (SSE) for sodium batteries is an effective way to solve such problems. Nevertheless, how to develop high-performance SSE and compatible interface for constructing solid-state sodium batteries is still challenging. In this review, we mainly focus on the development and recent advances of SSE (including all-solid-state and quasisolid-state electrolyte) and interface engineering for sodium batteries. The structure-property correlations and design principles of different inorganic and organic SSE are discussed in depth. The comprehensive performance of SSE depends on the structural characteristics such as defects, crystallinity, and stability of bonds. The design principles mainly include increasing the density of mobile Na + ions, reducing the energy barrier, immobilizing anions, adjusting the stability of bonds, adding specific buffer layers, and increasing interfacial contact area. Moreover, we discuss the interface between SSE and electrode because a suitable interface is the key prerequisite for high-performance solid-state sodium batteries. This review provides fundamental insights and future perspectives to design advanced SSE and concomitant interface for next-generation rechargeable solid-state sodium batteries.

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“…[ 3 ] In recent years, some SSEs have been reported to exhibit ionic conductivity as high as 10 −3 S cm −1 , such as β‐alumina, [ 4 ] NASICONs, polymer‐based electrolytes, [ 5 ] and sulfide‐based electrolytes. [ 3b,c,6 ] Generally, the oxide‐based SSEs (including both β‐alumina and NASICONs) show unfavorable thermodynamic stability, rigid instinct and high grain boundary resistance, which severely limit their applications. For polymer‐based electrolytes, it is still challenging to obtain decent ionic conductivity at RT despite their flexibility and low interfacial contact resistance.…”

Section: Introductionmentioning

confidence: 99%

Gradiently Sodiated Alucone as an Interfacial Stabilizing Strategy for Solid‐State Na Metal Batteries

Zhang

Zhao

et al. 2020

Adv Funct Materials

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All-solid-state metal batteries (ASSMBs) are attracting much attention due to their cost effectiveness, enhanced safety, room-temperature performance and high theoretical specific capacity. However, the alkali metal anodes (such as Li and Na) are active enough to react with most solid-state electrolytes (SSEs), leading to detrimental reactions at the metal-SSE interface. In this work, a molecular layer deposition (MLD) alucone film is employed to stabilize the active Na anode/electrolyte interface in the ASSMBs, limiting the decomposition of the sulfide-based electrolytes (Na 3 SbS 4 and Na 3 PS 4 ) and Na dendrite growth. Such a strategy effectively improves the room-temperature full battery performance as well as cycling stability for over 475 h in Na-Na symmetric cells. The modified interface is further characterized by X-ray photoelectron spectroscopy (XPS) depth profiling, which provides spatially resolved evidence of the synergistic effect between the dendrite-suppressed sodiated alucone and the insulating unsodiated alucone. The coupled layers reinforce the protection of the Na metal/electrolyte interface. Therefore, alucone is identified as an effective and bifunctional coating material for the enhancement of the metal/electrolyte interfacial stability, paving the way for rapid development and wide application of high-energy ASSMBs.

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Synthesis of cubic Na3SbS4 solid electrolyte with enhanced ion transport for all-solid-state sodium-ion batteries

Cited by 101 publications

References 56 publications

New Insights into the Interphase between the Na Metal Anode and Sulfide Solid-State Electrolytes: A Joint Experimental and Computational Study

New Insights into the Interphase between the Na Metal Anode and Sulfide Solid-State Electrolytes: A Joint Experimental and Computational Study

Electrolyte and Interface Engineering for Solid-State Sodium Batteries

Gradiently Sodiated Alucone as an Interfacial Stabilizing Strategy for Solid‐State Na Metal Batteries

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