V<sub>3</sub>S<sub>4</sub>/PPy nanocomposites with superior high-rate capability as sodium-ion battery anodes

Zhang, Yajuan; Li, Yue; Zhao, Guizhe; Han, Lu; Lü, Tao; Li, Jinliang; Zhu, Guang; Pan, Likun

doi:10.1039/d3ta02402d

Cited by 16 publications

(3 citation statements)

References 81 publications

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“…6d shows the contribution of pseudocapacitance to the total capacity. 60–64 In agreement with the previous analysis, the pseudocapacitive process mainly dominates the lithium-ion storage behavior of the AR-150 anode. With the increase in the scan rate, the pseudocapacitance contribution increases, reaching a maximum of 83.8% at a scan rate of 0.8 mV s −1 (Fig.…”

Section: Resultssupporting

confidence: 89%

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Lee,

Park,

Paek

2024

New J. Chem.

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Section: Resultssupporting

confidence: 89%

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Lee,

Park,

Paek

2024

New J. Chem.

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“…IV-type N 2 adsorption-desorption isotherms of NVP, NVP/C, and NVP/NCDs with mesoporous structure were tested (Figure 2a; Figure S4, Supporting Information), [28][29][30] and specific surface areas of 2.5, 8.6, and 17.5 m 2 g −1 are determined for the NVP, NVP/C and NVP/NCDs, respectively. The slightly increased specific surface area is ascribed to the reduced particle size caused by carbon dot incorporation.…”

Section: Resultsmentioning

confidence: 99%

Unlocking Charge Transfer Limitation in NASICON Structured Na₃V₂(PO₄)₃ Cathode via Trace Carbon Incorporation

Huang,

Yan,

Zhang

et al. 2024

Advanced Energy Materials

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NASICON‐type cathode with remarkable ionic conductivity is perspective candidate for fast‐charging sodium‐ion battery. However, severely restricted by low electrical conductivity and poor interfacial kinetics, it usually delivers poor charge transfer kinetics. Different from traditional carbon compositing with high carbon contents, herein, a trace carbon incorporation tactic is proposed based on a typical NASICON‐structured Na3V2(PO4)3. First, particle‐growth process of Na3V2(PO4)3 is regulated via incorporating carbon dot, significantly reducing its particle size to shorten charge diffusion path. Second, electrical conductivity of Na3V2(PO4)3 is improved without sacrificing its high electrochemical activity due to the incorporated trace carbon content (0.76 wt.%). Third, Na3V2(PO4)3‐electrolyte interface structure is optimized by abundant functional groups from the incorporated carbon dot, enabling a thin and stable NaF‐rich CEI layer to boost interface kinetics. As a result, carbon dot endows Na3V2(PO4)3 with ultrastable cyclability up to 20 k cycles (capacity retention of 98.4%) and excellent rate capability (up to 200 C) in half cell, as well as high energy density (368.7 Wh kg−1) and fast charging property (≈110.2 s per charging with 250.8 Wh kg−1 input) in full cell. This study carves a new path for developing fast‐charging cathode, as is increasingly desired for present energy storage applications.

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“…Both samples exhibit high pseudocapacitive contributions under the different scan rates, and the ZCTS displays stronger pseudocapacitive behavior, prompting its outstanding kinetics and excellent stability even under fast reaction rates. [62][63][64][65] Therefore, the relieved mechanical strain-stress, excellent phase structure stability, and outstanding Na-ion diffusion/reaction kinetics of ZCTS are key factors to realize its superior electrochemical performances.…”

Section: Resultsmentioning

confidence: 99%

Synergetic Sn Incorporation‐Zn Substitution in Copper‐Based Sulfides Enabling Superior Na‐Ion Storage

Li,

Yu,

Huang

et al. 2023

Advanced Materials

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Transition‐metal sulfides have been regarded as perspective anode candidates for high‐energy Na‐ion batteries. Their application, however, is precluded severely by either low charge storage or huge volumetric change along with sluggish reaction kinetics. Herein, an effective synergetic Sn incorporation‐Zn substitution strategy is proposed based on copper‐based sulfides. First, the Na‐ion storage capability of copper sulfide is significantly improved via incorporating an alloy‐based Sn element. However, this process is accompanied with the sacrifice of structural stability due to the high Na‐ion uptake. Subsequently, to maintain the high Na‐ion storage capacity, and concurrently improve the cycling and rate capabilities, a Zn substitution strategy (taking partial Sn sites) is carried out, which could significantly promote the Na‐ion diffusion/reaction kinetics and relieve the mechanical strain‐stress within the crystal framework. The synergetic Sn incorporation and Zn substitution endow the copper‐based sulfides with high specific capacity (∼560 mAh g−1 at 0.5 A g−1), ultrastable cyclability (80 k cycles with ∼100% capacity retention), superior rate capability up to 200 A g−1, and ultrafast charging feature (∼4 s per charging with ∼190 mAh g−1 input). This work provides in‐depth insights for developing superior anode materials via synergetic multi‐cation incorporation/substitution, aiming at solving their intrinsic issues of either low specific capacity or poor cyclability.This article is protected by copyright. All rights reserved

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V₃S₄/PPy nanocomposites with superior high-rate capability as sodium-ion battery anodes

Abstract: Vanadium sulfides have been generally identified as one of the promising anode candidates for sodium ion batteries (SIBs) yet still suffer from serious capacity decay. Herein, we introduced a typical...

Cited by 16 publications

References 81 publications

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Unlocking Charge Transfer Limitation in NASICON Structured Na₃V₂(PO₄)₃ Cathode via Trace Carbon Incorporation

Synergetic Sn Incorporation‐Zn Substitution in Copper‐Based Sulfides Enabling Superior Na‐Ion Storage

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V3S4/PPy nanocomposites with superior high-rate capability as sodium-ion battery anodes

Abstract: Vanadium sulfides have been generally identified as one of the promising anode candidates for sodium ion batteries (SIBs) yet still suffer from serious capacity decay. Herein, we introduced a typical...

Cited by 16 publications

References 81 publications

Exfoliation and restacking route to Keggin-Al13-treated layered ruthenium oxide for enhanced lithium ion storage performance

Exfoliation and restacking route to Keggin-Al13-treated layered ruthenium oxide for enhanced lithium ion storage performance

Unlocking Charge Transfer Limitation in NASICON Structured Na3V2(PO4)3 Cathode via Trace Carbon Incorporation

Synergetic Sn Incorporation‐Zn Substitution in Copper‐Based Sulfides Enabling Superior Na‐Ion Storage

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V₃S₄/PPy nanocomposites with superior high-rate capability as sodium-ion battery anodes

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Exfoliation and restacking route to Keggin-Al₁₃-treated layered ruthenium oxide for enhanced lithium ion storage performance

Unlocking Charge Transfer Limitation in NASICON Structured Na₃V₂(PO₄)₃ Cathode via Trace Carbon Incorporation