Results 51 to 60 of about 1,361 (213)

Cellulose nanofiber‐derived carbon aerogel for advanced room‐temperature sodium–sulfur batteries

open access: yesCarbon Energy, 2023
Room‐temperature sodium–sulfur (RT/Na–S) batteries are regarded as promising large‐scale stationary energy storage systems owing to their high energy density and low cost as well as the earth‐abundant reserves of sodium and sulfur. However, the diffusion
Wu Yang   +6 more
doaj   +1 more source

Atomically Dispersed Ni Site Catalysts Accelerating Sluggish Sulfur Redox Kinetics in Nonaqueous Zn‐S Batteries

open access: yesAdvanced Functional Materials, EarlyView.
An atomically dispersed Ni catalyst featuring Ni‐N4 coordination is developed as a sulfur host for nonaqueous Zn─S batteries. This configuration modulates the electronic structure to lower activation barriers during rate‐limiting steps and promotes a robust ZnF2‐rich cathode‐electrolyte interphase, thereby accelerating sulfur redox kinetics ...
Junhyuk Ji   +7 more
wiley   +1 more source

Polysulfide-containing Glyme-based Electrolytes for Lithium Sulfur Battery [PDF]

open access: yes, 2015
A new comparative investigation of lithium sulfur cells employing a tetraethylene glycol dimethyl ether-lithium trifluoromethanesulfonate (TEGDME-LiCF3SO3) electrolyte charged by various polysulfide species (Li2S2, Li2S4, Li2S6, and Li2S8) is here ...
Hassoun, Jusef   +17 more
core   +1 more source

Charge‐Tunable Coacervate Micelles for Separator Engineering in Lithium‐Sulfur Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A separator engineering strategy based on charge‐tunable complex coacervate core micelles (C3Ms) is presented to form an ion‐selective layer regulating polysulfide transport in Li–S batteries. The micelles enable uniform adsorption onto commercial polypropylene separators and infiltration throughout the internal pore network, suppressing polysulfide ...
Yongsheng Zhang   +11 more
wiley   +1 more source

Amphiphilic Carborane-Based Covalent Organic Frameworks as Efficient Polysulfide Nano-Trappers for LithiumSulfur Batteries [PDF]

open access: yes, 2021
Lithium–sulfur batteries (LSBs) have been considered as one of the most promising energy storage systems because of their high theoretical energy density.
Xin Li (51274)   +17 more
core   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

open access: yesAdvanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen   +7 more
wiley   +1 more source

Exceptional catalytic effects of black phosphorus quantum dots in shuttling-free lithium sulfur batteries

open access: yesNature Communications, 2018
Lithium sulfur batteries are promising for next-generation energy storage, but are hindered by polysulfide shuttle effects. Here the authors use black phosphorus quantum dots to adsorb and catalyze the conversion of lithium polysulfides to lithium ...
Zheng-Long Xu   +8 more
doaj   +1 more source

Review of Inorganic Separator Engineering for Next‐Generation Lithium–Sulfur Batteries: Compromise or Cornerstone?

open access: yesAdvanced Materials, EarlyView.
Inorganic compound‐modified separators transform lithium–sulfur batteries from passive polysulfide confinement to active reaction‐pathway regulation. A Practical Relevance Index (PRI)‐guided framework bridges interfacial chemistry of inorganic separators with practical constraints, establishing unified design principles for scalable, high‐energy ...
Yuting Qin   +7 more
wiley   +1 more source

Mitigating Lithium Dissolution and Polysulfide Shuttle Effect Phenomena Using a Polymer Composite Layer Coating on the Anode in Lithium–Sulfur Batteries [PDF]

open access: yes, 2022
To mitigate lithium dissolution and polysulfide shuttle effect phenomena in high-energy lithium sulfur batteries (LISBs), a conductive, flexible, and easily modified polymer composite layer was applied on the anode.
William Kim-Shoemaker   +3 more
core   +1 more source

Hierarchically Constructed TiO2 Spheres as Efficient Polysulfide Barrier for High-Performance Li-S Battery

open access: yesInternational Journal of Electrochemical Science, 2019
Lithium-Sulfur batteries are the most promising candidates for the next energy storage system. Many reports have been reported for improving the cycle performances of Li-S battery, such as designing cathode host material, employing functionalized ...
Luo Jie, Zhang Ning
doaj   +1 more source

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