Recent Advances in 0D Ni/Co-based Hollow Electrocatalysts for Electrochemical Water Splitting DOI

Wenjing Ge,

Xiaocui Chen,

Ruizhao Ma

et al.

Chemical Research in Chinese Universities, Journal Year: 2024, Volume and Issue: 40(3), P. 437 - 450

Published: March 11, 2024

Language: Английский

Enabling fast diffusion/conversion kinetics by thiourea-induced wrinkled N, S co-doped functional MXene for lithium-sulfur battery DOI
Junan Feng, Wendong Liu, Chuan Shi

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103328 - 103328

Published: March 1, 2024

Language: Английский

Citations

52

Heteroelectrocatalyst MoS2@CoS2 modified separator for Li-S battery: Unveiling superior polysulfides conversion and reaction kinetics DOI

Chuanbao Tu,

Ze Zhang,

Xingtao Qi

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 155915 - 155915

Published: Sept. 1, 2024

Language: Английский

Citations

43

Revealing the role of crystal structure to catalysis: Inverse spinel phase Co-Mn-based catalyst for Li-S batteries DOI
Xuelin Huang, Peng Zeng, Yunfeng Lu

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 487, P. 150490 - 150490

Published: March 16, 2024

Language: Английский

Citations

31

Enabling Efficient Anchoring‐Conversion Interface by Fabricating Double‐Layer Functionalized Separator for Suppressing Shuttle Effect DOI
Junan Feng,

Chaoyue Zhang,

Wendong Liu

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(41)

Published: July 15, 2024

Abstract Lithium‐sulfur batteries (LiSBs) with high energy density still face challenges on sluggish conversion kinetics, severe shuttle effects of lithium polysulfides (LiPSs), and low blocking feature ordinary separators to LiPSs. To tackle these, a novel double‐layer strategy functionalize is proposed, which consists Co atomically dispersed CoN 4 decorated Ketjen black (Co/CoN @KB) layer an ultrathin 2D Ti 3 C 2 T x MXene layer. The theoretical calculations experimental results jointly demonstrate metallic sites provide efficient adsorption catalytic capability for long‐chain LiPSs, while active facilitate the absorption short‐chain LiPSs promote Li S. stacking serves as microscopic barrier further physically block chemically anchor leaked from pores gaps Co/CoN @KB layer, thus preserving within anchoring‐conversion reaction interfaces balance accumulation “dead S” Consequently, ultralight loading @KB‐MXene, LiSBs exhibit amazing electrochemical performance even under sulfur lean electrolyte, outperforming lithium‐selenium (LiSeBs) can also be achieved. This work exploits universal effective functionalized separator regulate equilibrium adsorption‐catalytic interface, enabling high‐energy long‐cycle LiSBs/LiSeBs.

Language: Английский

Citations

28

Physical Field Effects to Suppress Polysulfide Shuttling in Lithium–Sulfur Battery DOI
Junan Feng, Chuan Shi, Xiaoxian Zhao

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 14, 2024

Lithium-sulfur batteries (LSB) with high theoretical energy density are plagued by the infamous shuttle effect of lithium polysulfide (LPS) and sluggish sulfur reduction/evolution reaction. Extensive research is conducted on how to suppress effects, including physical structure confinement engineering, chemical adsorption strategy, design redox catalysts. Recently, rational mitigate effects enhance reaction kinetics based field has been widely studied, providing a more fundamental understanding interactions species. Herein, focused their methods mechanisms interaction summarized systematically LPS. Overall, working principle LSB system, origin effect, kinetic trouble in briefly described. Then, mechanism application materials concepts external field-assisted elaborated, electrostatic force, built-in electric field, spin state regulation, strain magnetic photoassisted other strategies pivotally elaborated discussed. Finally, potential directions enhancing performance weakening high-energy anticipated.

Language: Английский

Citations

20

Advanced Cathode Designs for High‐Energy Lithium/Sodium–Selenium Battery DOI Open Access
Junan Feng,

Shunxian Yu,

Chuan Shi

et al.

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

Published: Jan. 28, 2025

Abstract Selenium, with its superior conductivity, serves as a promising cathode material in lithium–selenium (Li–Se) and sodium–selenium (Na–Se) batteries, exhibiting faster electron transfer processes volumetric capacity. Nonetheless, challenges such volume expansion, the shuttle effect, slow redox reaction kinetics, low conductivity of discharged products still hinder their commercial application. Extensive research has been conducted on design optimization materials to overcome these issues. This review summarizes latest advancements Se within Li/Na–Se systems, based electrochemical mechanisms batteries origins related challenges. The comprehensive principle advanced stable selenium cathodes is put forward, key role carbon structure analyzed, strategies improve affinity selenide kinetics are discussed. Additionally, it introduces representative polymer‐based metal–organic framework (MOF)‐based cathodes. Some potential modification for active also highlighted, including sulfide composite lithium cathodes, which can significantly enhance Se‐based batteries. Finally, existing research, insights directions future development proposed.

Language: Английский

Citations

2

Boosting Polysulfide Conversion on Fe‐Doped Nickel Diselenide Toward Robust Lithium–Sulfur Batteries DOI Open Access
Junshan Li, Jing Yu, Yong Cai Zhang

et al.

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

Published: March 17, 2025

Abstract Sulfur offers a high‐energy‐density, low‐cost, and sustainable alternative to traditional battery cathodes, but its practical use is limited by sluggish uneven reaction polysulfide dissolution, necessitating electrocatalytic additives enhance conversion efficiency. Generating unpaired spin electrons has proven effective in enhancing performance Co‐based electrocatalysts. These increase adsorption weakening S─S bonds, facilitating their cleavage during sulfur reduction reactions. This work extends the strategy Fe–Ni‐based catalysts. The synthesis of NiSe 2 Fe‐doped particles reported investigate impact Fe doping on electronic structure, catalytic activity, introduced as coating cathode side Li–S (LSB) separator. Experimental analyses first‐principles calculations reveal that Fe‐rich cores surface density states at Fermi level introduce electrons, boosting LiPS conversion. synergistic effects significantly improve performance, cycling stability, overall LSB cells. Specifically, cells based ‐based separators achieve specific capacities 1483 mAh g⁻¹ 0.1C 1085 1C, along with remarkable retaining 84.4% capacity after 800 cycles. High sulfur‐loading tests further validate multifunctional membrane's effectiveness, showing significant retention reduced loss.

Language: Английский

Citations

2

Cobalt/MXene‐derived TiO2 Heterostructure as a Functional Separator Coating to Trap Polysulfide and Accelerate Redox Kinetics for Reliable Lithium‐sulfur Battery DOI Creative Commons

Zhihua Chang,

Wendong Liu, Junan Feng

et al.

Batteries & Supercaps, Journal Year: 2023, Volume and Issue: 7(4)

Published: Dec. 20, 2023

Abstract Lithium‐sulfur (Li−S) batteries are one of the most potential new energy storage systems due to their high theoretical capacity (1675 mAh g −1 ) and density (2600 Wh kg ). However, application Li−S is currently restricted dissolution polysulfides in electrolyte, which leads shuttle effect lithium (LiPSs). Here, we present a Co@MXene‐derived TiO 2 heterostructure decorated on carbon sheets derived from folic acid (Co@M‐TiO /C) as functional separator coating trap polysulfide accelerate redox kinetics batteries. The interconnected porous structure with good electrical conductivity boasts rapid ion diffusion efficient electron transfer within battery. By attaching Co MXene‐derived dual‐phased two‐dimensional sheets, heterostructures formed, ensuring complete exposure active sites. These exhibit catalytic effects LiPSs excellent adsorption capabilities, effectively inhibiting accelerating kinetics. Considering these advantages, battery optimized Co@M‐TiO /C modified demonstrates specific 1481.7 at 0.2 C, superior rate performance 855.5 cycling under sulfur load 4.4 mg cm −2 .

Language: Английский

Citations

29

Layered double Hydroxides-MXene heterointerfaces with abundant anion vacancies expediting sulfur redox kinetics for High‑Performance Lithium–Sulfur batteries DOI
Mengmeng Zhen,

Xinyan Meng,

Xiaoyu Wang

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 489, P. 151285 - 151285

Published: April 15, 2024

Language: Английский

Citations

15

Heteroatom-doped ZIF-67 for anchoring and catalyzing polysulfides in lithium–sulfur batteries DOI
Qian He, Weikun Chen, Bin Fan

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153813 - 153813

Published: July 11, 2024

Language: Английский

Citations

12