Results 21 to 30 of about 451,954 (260)

Encapsulating Sulfur Into Nickel Decorated Hollow Carbon Fibers for High-Performance Lithium-Sulfur Batteries

open access: yesFrontiers in Energy Research, 2021
Due to the high specific energy density, lithium-sulfur batteries (LSBs) have great potential in energy storage devices for electric vehicle and electronic equipment.
Dongdong Yu   +3 more
doaj   +1 more source

Atomic Layer Deposition-Assisted Construction of Binder-Free Ni@N-Doped Carbon Nanospheres Films as Advanced Host for Sulfur Cathode

open access: yesNano-Micro Letters, 2019
Rational design of hybrid carbon host with high electrical conductivity and strong adsorption toward soluble lithium polysulfides is the main challenge for achieving high-performance lithium–sulfur batteries (LSBs).
Jun Liu   +6 more
doaj   +1 more source

Manufacturing N,O-carboxymethyl chitosan-reduced graphene oxide under freeze-dying for performance improvement of Li-S battery

open access: yesInternational Journal of Extreme Manufacturing, 2022
Lithium-sulfur (Li-S) batteries can provide far higher energy density than currently commercialized lithium ion batteries, but challenges remain before it they are used in practice. One of the challenges is the shuttle effect that originates from soluble
Zhibin Jiang   +10 more
doaj   +1 more source

Progress and Prospect of Practical Lithium-Sulfur Batteries Based on Solid-Phase Conversion

open access: yesBatteries, 2022
Lithium–sulfur (Li–S) batteries hold great promise in the field of power and energy storage due to their high theoretical capacity and energy density. However, the “shuttle effect” that originates from the dissolution of intermediate lithium polysulfides
Yikun Yi   +7 more
doaj   +1 more source

Fast Heat Transport Inside Lithium-Sulfur Batteries Promotes Their Safety and Electrochemical Performance

open access: yesiScience, 2020
Summary: Lithium-sulfur batteries are paid much attention owing to their high specific capacity and energy density. However, their practical applications are impeded by poor electrochemical performance due to the dissolved polysulfides. The concentration
Guiyin Xu   +10 more
doaj   +1 more source

A Separator Modified with Rutile Titania and Three‐Dimensional Interconnected Graphene‐Like Carbon for Advanced Li−S Batteries

open access: yesChemElectroChem, 2022
As an advanced energy‐storage system, Li−S batteries have attracted much attention, but there is still a series of problems hindering their commercialization, such as the ‘shuttle effect’ and corrosion of lithium anodes.
Shuang Xia   +11 more
doaj   +1 more source

Freestanding graphitic carbon nitride‐based carbon nanotubes hybrid membrane as electrode for lithium/polysulfides batteries

open access: yesInternational Journal of Energy Research, 2020
Lithium sulfur batteries have drawled worldwide attention in recent years, which benefit of its high‐density energetic, low cost, and environmental benignity.
Zongzhen Wu   +7 more
semanticscholar   +1 more source

Isolated Fe-Co heteronuclear diatomic sites as efficient bifunctional catalysts for high-performance lithium-sulfur batteries

open access: yesNature Communications, 2023
The slow redox kinetics of polysulfides and the difficulties in decomposition of Li2S are two serious obstacles to lithium-sulfur batteries. Here, the authors report an isolated Fe-Co heteronuclear diatomic catalyst to achieve high efficiency ...
Xun Sun   +9 more
doaj   +1 more source

A Honeycomb‐Structured CoF2‐Modified Separator Enabling High‐Performance Lithium−Sulfur Batteries

open access: yesSmall Science, 2023
Sulfur cathode materials in lithium–sulfur chemistry suffer from poor electronic conductivity and shuttle of lithium polysulfides during charging and discharging.
Wenxin Liu   +6 more
doaj   +1 more source

A Lamellar Yolk–Shell Lithium‐Sulfur Battery Cathode Displaying Ultralong Cycling Life, High Rate Performance, and Temperature Tolerance

open access: yesAdvanced Science, 2022
The shuttling behavior and slow conversion kinetics of the intermediate lithium polysulfides are the severe obstacles for the application of lithium‐sulfur (Li‐S) batteries over a wide temperature range.
Jinyun Liu   +7 more
doaj   +1 more source

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