Recent Advances in Non‐Carbon Dense Sulfur Cathodes for Lithium–Sulfur Battery with High Energy Density DOI Creative Commons
Viet Phuong Nguyen, Seung‐Mo Lee

ChemElectroChem, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 13, 2024

Abstract The seemingly advantageous features of carbon‐based materials, such as large pore volume and lightweight structure, could actually lead to low tap density for the sulfur cathode excessive electrolyte consumption, potentially significantly decreasing energy lithium–sulfur battery. Recently, non‐carbon‐based materials composed inorganic matter have emerged promising candidates creating dense cathodes reducing intake. Additionally, exhibits strong interactions with lithium polysulfides, which can address intrinsic problems severe shuttling effect poor reaction kinetics. In this review, we first discuss relationship between Subsequently, systematically summarize recent advances in hosts. Finally, propose future research directions perspectives host inspire realization practical battery high density.

Language: Английский

CoFe alloy nanodots coordinated g-C3N4 nanosheets for advanced Li–S batteries through synergetic regulation of stable lithium deposition and accelerated polysulfide conversion DOI

Siyang Dong,

Xuanyang Jin,

Peng Xia

et al.

Materials Today Chemistry, Journal Year: 2025, Volume and Issue: 45, P. 102654 - 102654

Published: March 21, 2025

Language: Английский

Citations

2
Mastering Surface Sulfidation of MnP‐MnO2 Heterostructure to Facilitate Efficient Polysulfide Conversion in Li─S Batteries DOI Creative Commons

Fengxing Liang,

Qiao Deng, Shunyan Ning

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(32)

Published: June 24, 2024

Abstract The development of lithium–sulfur (Li─S) batteries has been hampered by the shuttling effect lithium polysulfides (LiPSs). An effective method to address this issue is use an electrocatalyst accelerate catalytic conversion LiPSs. In study, heterogeneous MnP‐MnO 2 nanoparticles are uniformly synthesized and embedded in porous carbon (MnP‐MnO /C) as core catalysts improve reaction kinetics situ characterization density functional theory (DFT) calculations confirm that heterostructure undergo surface sulfidation during charge/discharge process, forming MnS phase. Surface catalyst significantly accelerated SRR Li S activation, effectively inhibiting LiPSs effect. Consequently, /C@S cathode achieves outstanding rate performance (10 C, 500 mAh g −1 ) ultrahigh cycling stability (0.017% decay per cycle for 2000 cycles at 5 C). A pouch cell with delivers a high energy 429 Wh kg . This study may provide new approach investigating electrocatalysts, which valuable advancing high‐energy‐density Li−S batteries.

Language: Английский

Citations

12
Biomass “frozen tofu"-Derived N-doped 3D porous carbon framework loading with MoC quantum dots enabling immobilization and catalytic effects of polysulfides for high-energy-density lithium-sulfur batteries DOI
Henan Jia,

Taotao Guo,

Pei Su

et al.

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 631, P. 236220 - 236220

Published: Jan. 17, 2025

Language: Английский

Citations

1
Optimizing Electron Modulation Induced by the Interfacial Coupling in Cu3P‐Cu2O Heterostructures to Enhance Polysulfide Conversion DOI Open Access

Jinliang Zhu,

Yulin Xian,

Fengxing Liang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Abstract Electrocatalysts can inhibit the shuttling of lithium polysulfides (LiPSs) in Li–S batteries by enabling catalytic conversion LiPSs. In this research, heterogeneous Cu 3 P‐Cu 2 O nanoparticles anchored on porous carbon network (Cu O/PC) are investigated to stimulate reaction kinetics LiPSs conversion. At heterojunction interface, high electron density measured functional theory energizes transfer, anchoring The strong interfacial coupling effect generated heterostructure endows active sites with promoted adsorption capability. improved sulfur reduction and Li S activation suppress shuttling. Remarkably, cells equipped O/PC@S cathode marked capacity 1254.3 mAh g −1 at 0.2C ultrahigh cycling stability (0.021% decay rate per cycle after 1200 cycles 4C). Considering practical applications, cathode‐based pouch cell exhibited an initial specific 1069.5 a energy 378.8 Wh kg . This work established pathway for regulating through copper‐based catalysts, exhorting design highly efficient catalysts batteries.

Language: Английский

Citations

1
Synergistic Adsorption-Catalysis Co/Mo-based Heterostructures for Enhanced Lithium Polysulfides Conversion in High-Rate Lithium-Sulfur Batteries DOI
Tao Liu,

Yaxin Shao,

Xie Quan

et al.

Electrochimica Acta, Journal Year: 2025, Volume and Issue: unknown, P. 145830 - 145830

Published: Feb. 1, 2025

Language: Английский

Citations

0
Engineering Bi/V/Mo‐Based Multicomponent Heterostructure Electrocatalyst Toward Robust Lithium–Sulfur Batteries and Mechanistic Insights into the Self‐Reconstruction DOI Open Access
Rong‐Jun Xie, Jizhong Zhou, Chulong Liu

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

Abstract The sluggish reaction kinetics and formidable shuttle effect of soluble lithium polysulfides (LiPSs) are thorny problems for the future industrialization lithium–sulfur (Li–S) batteries. Therefore, exploring efficient electrocatalysts to capture LiPSs accelerate their conversion is highly desirable yet tremendously challenging. Herein, a high‐efficiency Bi/Bi 2 O 3 /VMoN@rGO electrocatalyst with multifunctional active sites multilevel heterointerfaces elaborately designed Li–S Noteworthy, can greatly modulate electron distribution, facilitate charge transfer, optimize chemical absorption, enhance intrinsic activity, while rGO contributes high electrical conductivity, sufficient sites, robust structural stability. Thanks synergy different components, batteries employing functional separators exhibit impressive electrochemical performance sulfur utilization even under loading. More importantly, it discovered that Bi experience an phase evolution generate S amorphous crystalline phases, thereby bringing in unexpected enhancement. Furthermore, experimental results theoretical calculations authenticate reduced Li decomposition energy barrier achieved after situ reconstruction. This work not only provides new mechanistic insights into developing but also sheds light on regulating catalytic activity via self‐reconstruction.

Language: Английский

Citations

0
Tailoring Polysulfide Interaction with Balanced d‐Band Center via In Situ Construction of Atomically Dispersed Zr–Ox Sites in Mn2O3/β‐MnO2 Heterostructure for Li–S Batteries DOI Open Access
Junhyuk Ji, Sung Min Kim, Sung Wook Won

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Although noteworthy research focuses on heterostructured catalysts for efficient polysulfide adsorption in lithium-sulfur (Li-S) batteries, the strategy maximized electrocatalytic activity is less investigated. Herein, Mn2O3/β-MnO2 heterostructure electrocatalyst engineered via situ regulation of atomically dispersed Zr4+ sites form Zr-Ox coordinated-structure as a highly stable freestanding cathode. The fine-tuned can adjust inducing reduced overpotential, improved Li+ mobility, and boosted redox kinetics. Their achievements are synergistically derived from inhibition migration, utilization 3D Li2S nucleation mechanism, modification d-band center electrocatalysts, resulting crack-free anode-protection, diffusion-favorable deposition, sustainable sulfur-reactions. Eventually, Zr0.1-Mn2O3/β-MnO2@MWCNT cathode demonstrates high initial capacity 808 mAh g-1 with low average decay rate 0.068% over 1000 cycles at 1 C, even along an impressive cyclic stability 5 C showing up to 559.3 only 0.170% 200 cycles. Noteworthy, electrocatalyst-applied cell achieves areal half-/full-cell (N/P: 2.86) 4.45/3.88 cm-2 61.7/70.1% retention 110/50 under 4.6/5.4 mg sulfur loading electrolyte 8 µL mgsulfur -1. This highlights new perspective design high-performance Li-S batteries.

Language: Английский

Citations

0
Oxygen‐Doped MoS2 with Expanded Interlayer Spacing for Rapid and Stable Polysulfide Conversion DOI Creative Commons
Weiyi Yan, Jinglin Xian, Shunan Zhang

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 7, 2025

Abstract Lithium–sulfur batteries face challenges such as the polysulfide shuttle effect and sluggish redox kinetics, leading to poor sulfur utilization limited cyclic stability. Herein, an oxygen‐doped engineering approach is presented achieve pillar‐free interlayer extension of MoS 2 (E‐MoS ) for lithium conversion. E‐MoS features expanded spacing (from 0.63 0.95 nm), improved conductivity, optimized Mo d band center, which collectively enhances conversion efficiency. Consequently, cathodes with deliver a capacity 638 mAh g −1 after 600 cycles at C (0.046% decay/cycle) areal 12.0 cm −2 under practical conditions (12 mg S loading, E/S = 4 µL ). This work highlights key strategy optimizing catalysts in conversion‐type batteries.

Language: Английский

Citations

0
A grain-boundary-rich cobalt selenide hollow multi-shelled structure as a highly efficient electrocatalyst for lithium–sulfur batteries DOI

Yuan Yin,

Pengcheng Tan,

Qidi Chen

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(40), P. 27400 - 27408

Published: Jan. 1, 2024

A unique grain-boundary-rich cobalt selenide hollow multi-shelled structure (GB-CoSe HoMS) has been rationally designed and synthesized as a high-efficiency electrocatalyst to adsorb convert the polysulfides for lithium–sulfur batteries.

Language: Английский

Citations

3
Construction of spontaneous built‐in electric field on heterointerface furnishing continuous efficient adsorption-directional migration-conversion of polysulfides DOI
Junwei Xu, Shuai Wang, Haihui Zhou

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 682, P. 491 - 501

Published: Nov. 29, 2024

Language: Английский

Citations

1