Results 121 to 130 of about 253,426 (203)

Cationic covalent organic framework nanosheets as the coating layer of commercial separator for high-efficiency lithium-sulfur batteries

open access: yesHeliyon
Ion-selective separators, are crucial and in high demand for maximizing the performance of lithium-sulfur (Li–S) batteries, which can conduct lithium ions while efficiently blocking polysulfides.
Delong Ma   +5 more
doaj   +1 more source

Electrolyte Engineering for High‐Energy Conversion‐Type Cathodes in Lithium Metal Batteries: Progress and Challenges

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A critical overview of electrolyte engineering for conversion‐type cathodes in lithium metal batteries is presented. Advanced electrolyte systems are summarized with emphasis on Li+ solvation‐structure‐driven interfacial chemistry and electrochemical performance.
Yihan Qiu   +3 more
wiley   +1 more source

Advances in Sulfur Cathodes for High‐Energy All‐Solid‐State Lithium Batteries With Sulfide Solid Electrolytes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review summarizes the key optimization strategies and challenges for all‐solid‐state lithium–sulfur batteries based on sulfide solid‐state electrolytes, covering electrolyte synthesis, cathode design, interface engineering, and industrialization considerations.
Yongsheng Gao   +5 more
wiley   +1 more source

Ionic transport properties of lithium polysulfides within poly(ethylene-oxide) homopolymer electrolytes

open access: yes
International audienceLithium-sulfur (Li-S) batteries are attractive due to their high theoretical specific energy density, nonetheless, their upscaling and widespread adaptation have been hampered by issues such as the dissolution and shuttling of ...
Soudant, Priscillia   +3 more
core   +1 more source

Se‐Vacancy Engineering Enables Dual Electronic and Interfacial Regulation in SnSe2 Nanocatalysts for High‐Performance Lithium–Sulfur Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Se vacancies in SnSe2 induce local electron redistribution and create unsaturated Sn sites, enabling a switch from single‐site to dual‐site adsorption of lithium polysulfides. This structure synergistically enhances redox kinetics, accelerates sulfur conversion, suppresses the shuttle effect, reduces polarization, and significantly improves the ...
Xuejie Wang   +6 more
wiley   +1 more source

Heteroatom‐Synergistic Effect on Anchoring Polysulfides In Chalcone‐Linked Nanographene Covalent Organic Frameworks for High‐Performance Li─S Batteries

open access: yesAdvanced Science
Lithium‐sulfur (Li─S) batteries are an attractive option for future energy storage devices because they offer higher theoretical specific capacity, energy density, and cost‐effectiveness than commercial lithium‐ion batteries.
Kayaramkodath Chandran Ranjeesh   +9 more
doaj   +1 more source

Promoting Polysulfide Conversion via a Lithium-Ion Reservoir Based on La-Doped MoO3 Nanorods for Li-S Batteries

open access: yesBatteries
The practical application of Li-S batteries is seriously plagued by the severe shuttle effect and sluggish conversion kinetics of polysulfides. To circumvent these obstacles, we herein construct La-doped MoO3 nanorods (La-MoO3) as a functional lithium ...
Guoping Xiang   +6 more
doaj   +1 more source

Research progress on flexible MXene‐based materials in advanced energy storage devices: From preparation strategies to device applications

open access: yesFlexMat, EarlyView.
This review summarizes MXene synthesis and flexible electrode fabrication for FESDs, highlighting their potential owing to high conductivity and flexibility, and outlines future research directions. Abstract The rapid development of wearable and portable electronics has created demand for flexible energy storage systems (FESDs) that not only exhibit ...
Nanxi Miao   +10 more
wiley   +1 more source

Fabrication of NiFe-LDHs Modified Carbon Nanotubes as the High-Performance Sulfur Host for Lithium–Sulfur Batteries

open access: yesNanomaterials
Lithium–sulfur batteries offer the potential for significantly higher energy density and cost-effectiveness. However, their progress has been hindered by challenges such as the “shuttle effect” caused by lithium polysulfides and the volume expansion of ...
Lingwei Zhang, Runlan Li, Wenbo Yue
doaj   +1 more source

Advanced Electron Microscopy for Li─S and Na─S Batteries

open access: yesInterdisciplinary Materials, EarlyView.
Advanced electron microscopy facilitates the Li─S/Na─S battery studies in various aspects. This review briefly introduces the Li/Na─S batteries and advanced electron microscopy, and then systematically summarizes the recent progress of advanced electron microscopy (in situ transmission electron microscopy [TEM], cryo‐TEM, three‐dimensional electron ...
Zu‐Wei Yin   +4 more
wiley   +1 more source

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