Ether-based electrolytes for sodium ion batteries

Liu, Ying; Wu, Feng; Li, Yu; Liu, Mingquan; Feng, Xin; Bai, Ying; Wu, Chuan

doi:10.1039/d1cs00948f

Cited by 269 publications

(213 citation statements)

References 332 publications

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“…Furthermore, the ether-based electrolyte can realize thin, inorganic-rich SEI lm on the surface of the electrode and a relatively low specic surface of the electrode, which also helps to improve the ICE. 42 Besides, because the electrochemical reduction of Bi 2 O 3 is partially reversible, [43][44][45] high ICE is also proof of little Bi 2 O 3 content in the Bi-metal surface.…”

Section: Resultsmentioning

confidence: 99%

Nano-engineering induced Bi dots in situ anchored into modified porous carbon with superior sodium ion storage

Xiao

Gao

et al. 2022

J. Mater. Chem. A

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Section: Resultsmentioning

confidence: 99%

Nano-engineering induced Bi dots in situ anchored into modified porous carbon with superior sodium ion storage

Xiao

Gao

et al. 2022

J. Mater. Chem. A

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“…The desolvation of Na + is not complete as it is normally found in the graphite-based anodes. 19,20,28 This fact can be deduced from the XRD results through the appearance and disappearance of a group of diffraction patterns observed between the discharge and charge processes. The schematic representation of the formation of Na x (dgm) 2 C 20 in a NGHSPC anode reflects the differences found with the typical Na + adsorption in NGHSPCs using carbonate-based electrolytes (Figure 5).…”

Section: Insights Of N-stage Formation In Nghspcsmentioning

confidence: 97%

“…Some changes of the G peak (the C−C stretching mode) have been associated to the formation of n-stage compounds during the Na + −ether co-intercalation reaction in graphite and hence to the graphitization index. 28,37 The Na test battery is a rich tool used to grasp changes in the chemical composition of materials such as in NGHSPCs, regardless of the typical electrochemical cycling behavior of different electrodes (Figure 3). Therefore, an unprecedented formation of n-stages in NGHSPC anodes is detected when utilizing the diglyme-based electrolyte in Na cells (Figures 4,BA, S2A−D, and S3).…”

Section: Insights Of N-stage Formation In Nghspcsmentioning

confidence: 99%

“…The reported results of NGHSPCs open new opportunities to search alternative high-surface porous carbons that could react with sodium through the co-intercalation phenomenon, but special attention to avoid the structure degradation in either the bulk or surface of the carbon-based materials should be paid to improve the cycling stability. 28,41 For the sake of clarity, the data of the first discharge capacity (FDC in mA h g −1 ) obtained from the preactivation cycle in Na cells and 1 M NaClO 4 -PC:FEC (98:2) electrolyte are provided in Table 2. It should be clarified that prior to assembling the Na half-cells with NGHSPC anodes in 1 M NaPF 6 -DGM electrolyte, a preactivation cycle in Na half-cell in NaClO 4 -PC:FEC(98:2) electrolyte is carried out (Figure S5).…”

Section: Pseudocapacitive Behavior Of Nghspc Compared With Low-surfac...mentioning

confidence: 99%

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Insights into the Reaction Mechanisms of Nongraphitic High-Surface Porous Carbons for Application in Na- and Mg-Ion Batteries

Rubio

Ruiz

Zuo

et al. 2022

ACS Appl. Mater. Interfaces

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The fabrication of low-cost carbon materials and high-performance sodium-and magnesium-ion batteries comprising hierarchical porous electrodes and superior electrolytes is necessary for complementing Li-ion energy storage. In this work, nongraphitic high-surface porous carbons (NGHSPCs) exhibited an unprecedented formation of n-stages (stage-1 and stage-2) due to the co-intercalation of sodium (Na(dgm) 2 C 20 ) with diglyme. X-ray diffraction patterns, Patterson diagram, Raman spectra, and IR spectra suggested the presence of n-stages. This phenomenon implies an increase of the initial capacity (∼200 mAh g −1 ) and good Na-ion diffusion (2.97 × 10 −13 cm 2 s −1 ), employing diglyme as compared to standard electrolytes containing propylene carbonate and fluoroethylene carbonate. Additionally, the current approach is scalable to full Na-and Mg-ion cells by using t-Na 5 V(PO 4 ) 2 F 2 and MgMnSiO 4 cathodes, respectively, reaching 250 and 110 W h kg −1 based on the anode mass. The simultaneous Mg (de)insertion from/into MgMnSiO 4 and the adsorption/desorption of bistriflimide ions on the NGHSPC surface is responsible for capacity enhancement.

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“…[ 185 ] Compared to the lower resistant against reduction for ester solvents (means more electrolyte decomposition and thick SEI formation), ether solvents show more stable reduction ability, leading to thin SEI formation and high ICE. [ 186 ] Generally, reports have revealed that carbon anodes using ether electrolyte possess higher ICE and better rate performance. [ 187 ] However, the cycling stability of carbon anodes in ester or ether electrolytes sometimes exists different results.…”

Section: Solid Electrolyte Interface In Carbon Anodesmentioning

confidence: 99%

Advances in Carbon Materials for Sodium and Potassium Storage

Liu

Wang

et al. 2022

Adv Funct Materials

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Over the past decades, ground‐breaking techniques and transformative progress have been achieved on exploring alternative battery candidates beyond lithium‐ion batteries, among which sodium‐/potassium‐ion batteries (SIBs/PIBs) are receiving rapidly increased attention. Great efforts have been devoted to developing verified anode materials. Carbon materials take the leading position because of their abundance, low‐cost, environmental friendless, and commercial potential. While it is easy to understand which specific carbon material exhibits outstanding performance, the understanding of electrochemical reaction mechanisms, the structure–performance relation, and the interfacial properties of carbon anodes are rather difficult. It is urgently required to comprehensively summarize and further compare these fundamental issues, but it is still insufficient. This review concentrates on recent progress of carbon materials for SIBs and PIBs, and at the beginning summarizes the fabrication and characterization of different carbon allotropes, then fundamentally compares the ion storage mechanisms and interfacial chemistries. Furthermore, the relationship between the mechanism‐oriented and interface‐correlated performance and material optimization strategies is established. Finally, critical challenges and future developments of carbon anodes for the practical realization of SIBs/PIBs are proposed. This review gives a comprehensive summary and perspective from mechanisms to material design, offering a reliable guidance of carbon materials for SIBs and PIBs.

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Ether-based electrolytes for sodium ion batteries

Abstract: This review summarizes the development history, basic characteristics, special co-intercalation mechanism, origin of the superior performance of ether-based electrolytes in sodium-ion batteries and their advancements in other batteries.

Cited by 269 publications

References 332 publications

Nano-engineering induced Bi dots in situ anchored into modified porous carbon with superior sodium ion storage

Nano-engineering induced Bi dots in situ anchored into modified porous carbon with superior sodium ion storage

Insights into the Reaction Mechanisms of Nongraphitic High-Surface Porous Carbons for Application in Na- and Mg-Ion Batteries

Advances in Carbon Materials for Sodium and Potassium Storage

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