Perovskite lithium-sulfur battery

High-entropy perovskite oxide nanofibers as efficient

Transition metal oxides are a class of promising host materials of sulfur for lithium-sulfur (Li-S) batteries due to their robust polysulfide adsorption, and catalytic effect on sulfur redox reaction. It is proven that the adsorption-catalysis property can benefit a lot from incorporating multiple metal elements, and high-entropy

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(PDF) A Bifunctional Perovskite Promoter for Polysulfide

Lithium-sulfur (LiS) batteries are strongly considered as the next-generation rechargeable cells. However, both the shuttle of lithium polysulfides (LiPSs) and sluggish kinetics in random

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Perovskite-type La0.56Li0.33TiO3 as an effective

Lithium–sulfur batteries (LSBs) are promising candidates for next-generation energy storage equipment due to their high theoretical energy density. Nevertheless, the practical application of LSBs is heavily impeded by

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Oxygen–vacancy–reinforced perovskites promoting polysulfide

Oxygen–vacancy–reinforced perovskite promoting polysulfide conversion for lithium–sulfur batteries is investigated, which assist to guide the effect of defect concentration on the adsorption and catalytic properties of perovskites materials.

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Dual-Function Perovskite Catalytic Layer for High

Through the coordination of chemisorption and catalytic conversion, lithium–sulfur batteries with a dual-function catalytic layer show excellent electrochemical capabilities, including high reversible capacity,

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Solar-Driven Rechargeable Lithium–Sulfur Battery

Specifically, three perovskite solar cells are assembled serially in a single substrate to photocharge a high energy lithium–sulfur (Li–S) battery, accompanied by direct conversion of the solar energy to chemical energy. In

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Perovskite-Type CsGeI3 as an Electrolyte Additive for

This polymer solid-state electrolyte exhibits excellent electrochemical performance when applied to Li–S batteries, providing a specific capacity of 1141.9 mA h g –1 at 0.2 C and maintaining stable cycling for 100

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Oxygen–vacancy–reinforced perovskites promoting polysulfide

Lithium–sulfur batteries (LSBs) are considered to be one of the most promising energy storage systems because of the ultrahigh energy density. However, their shuttle effect and slow redox kinetics seriously hinder the development of LSBs. To solve these issues, the perovskite La 1-x Sr x MnO 3- δ (x = 0–0.5) with different oxygen vacancy concentrations were

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Highly Conductive Quasi-1D Hexagonal Chalcogenide Perovskite Sr

Herein, a quasi-1D hexagonal chalcogenide perovskite, Sr 8 Ti 7 S 21, is demonstrated as an efficient sulfur host able to overcome these limitations. Experimental results and density functional theory calculations show Sr 8 Ti 7 S 21 to offer strong lithium polysulfides (LiPS) binding through multiple bond formation.

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Deciphering the eg occupancy descriptor on perovskite oxides for

In lithium-sulfur batteries, the electronic state of polysulfides and Li 2 S primarily depends on the p-orbital of sulfur. Researchers have investigated the effects of electron filling in bonding and antibonding orbitals on polysulfides adsorption and conversion, suggesting that less anti-bonding orbital (σ* and π*) filling enables strong polysulfide binding and catalytic effect

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Oxygen-vacancy-reinforced perovskites promoting polysulfide

Semantic Scholar extracted view of "Oxygen-vacancy-reinforced perovskites promoting polysulfide conversion for lithium-sulfur batteries." by Chi Zhang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar''s Logo. Search 223,148,968 papers from all fields of science. Search. Sign In Create Free Account. DOI:

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High-entropy perovskite oxide nanofibers as efficient bidirectional

Transition metal oxides are a class of promising host materials of sulfur for lithium-sulfur (Li-S) batteries due to their robust polysulfide adsorption, and catalytic effect on

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Could halide perovskites revolutionalise batteries and

Subsequently, researchers developed derivatives of LIBs such as lithium-sulfur, lithium-air, and sodium-ion batteries. However, despite their success, the exponential growth of LIB research has encountered certain challenges. These challenges include 1) Excess Lithium-Ion Embedment: During overcharging, excess lithium ions that are already

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Perovskite transition metal oxide of nanofibers as catalytic hosts

Perovskite transition metal oxides are widely used in Li–O 2 batteries and supercapacitors [23] is also a kind of promising sulfur host material due to high tap density, abundant oxygen vacancy and excellent electrical conductivity [24] this work, the transition metal oxide of lanthanum ferrite (LaFeO 3) with perovskite structure is introduced into the

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Perovskite with in situ exsolved cobalt nanometal

With the popularity of electric vehicles and the development of energy storage, the energy density of lithium-ion batteries has been unable to meet the need for new commercial battery development [1], [2], [3], [4].Lithium-sulfur (Li-S) batteries have an ultra-high theoretical energy density of 2600 Wh kg −1, which is about seven times larger than lithium-ion batteries

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Oxygen–vacancy–reinforced perovskites promoting polysulfide

Oxygen–vacancy–reinforced perovskite promoting polysulfide conversion for lithium–sulfur batteries is investigated, which assist to guide the effect of defect concentration

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Nanoscale transition metal catalysts anchored on perovskite

Due to its potential advantages of high specific energy (2600 Wh kg −1) and low cost, Lithium-sulfur (Li-S) batteries have been regarded as one of the most promising new-generation rechargeable batteries [1], [2], [3].However, Li-S batteries still face some problems, such as the low conductivity of sulfur, the shuttle effect of intermediate lithium polysulfides

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Photo-rechargeable all-solid-state lithium − sulfur batteries based

Herein, we demonstrate an all-solid-state photo-rechargeable battery system for indoor energy harvesting and storage based on an all-inorganic CsPbI 2 Br perovskite solar

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Perovskite Solid-State Electrolytes for Lithium Metal Batteries

Solid-state lithium metal batteries (LMBs) have become increasingly important in recent years due to their potential to offer higher energy density and enhanced safety compared to conventional liquid electrolyte-based lithium-ion batteries (LIBs). However, they require highly functional solid-state electrolytes (SSEs) and, therefore, many

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Highly Conductive Quasi-1D Hexagonal Chalcogenide

Herein, a quasi-1D hexagonal chalcogenide perovskite, Sr 8 Ti 7 S 21, is demonstrated as an efficient sulfur host able to overcome these limitations. Experimental results and density functional theory calculations

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Design of experiment using double perovskite to inhibit shuttle

This experiment aims to suppress the shuttle effects of LiPSs in Li–S batteries using a typical double perovskite as an inhibitor. </sec><sec> [Methods] Specifically, a double perovskite oxide La 2 CoMnO 6 is synthesized via a simple sol–gel method. Then, a static visual adsorption experiment of La 2 CoMnO 6 to Li 2 S 6, as well as a

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Perovskite-type La0.56Li0.33TiO3 as an effective polysulfide promoter

Lithium–sulfur batteries (LSBs) are promising candidates for next-generation energy storage equipment due to their high theoretical energy density. Nevertheless, the practical application of LSBs is heavily impeded by the high electrolyte to sulfur ratio necessary for catholyte-type controlled mechanism batt 2019 Journal of

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Dual-Function Perovskite Catalytic Layer for High-Performance Lithium

Through the coordination of chemisorption and catalytic conversion, lithium–sulfur batteries with a dual-function catalytic layer show excellent electrochemical capabilities, including high reversible capacity, excellent rate capacity, good cycle stability, and a

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Photo-rechargeable all-solid-state lithium − sulfur batteries

Herein, we demonstrate an all-solid-state photo-rechargeable battery system for indoor energy harvesting and storage based on an all-inorganic CsPbI 2 Br perovskite solar cell module and an all-solid-state lithium − sulfur battery.

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Catalytic Mechanism of Oxygen Vacancies in Perovskite Oxides

The performance of lithium-sulfur batteries is deteriorated by the inferior conductivity of sulfur, the shuttle effect of lithium polysulfides (LiPSs), sluggish redox kinetics of polysulfide

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Perovskite Solid-State Electrolytes for Lithium Metal

Solid-state lithium metal batteries (LMBs) have become increasingly important in recent years due to their potential to offer higher energy density and enhanced safety compared to conventional liquid electrolyte-based lithium-ion batteries

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Perovskite-Type CsGeI3 as an Electrolyte Additive for All-Solid

This polymer solid-state electrolyte exhibits excellent electrochemical performance when applied to Li–S batteries, providing a specific capacity of 1141.9 mA h g –1 at 0.2 C and maintaining stable cycling for 100 cycles with a retention rate of 72%.

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Design of experiment using double perovskite to inhibit shuttle

This experiment aims to suppress the shuttle effects of LiPSs in Li–S batteries using a typical double perovskite as an inhibitor. </sec><sec> [Methods] Specifically, a double perovskite

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Solar-Driven Rechargeable Lithium–Sulfur Battery

Specifically, three perovskite solar cells are assembled serially in a single substrate to photocharge a high energy lithium–sulfur (Li–S) battery, accompanied by direct conversion of the solar energy to chemical energy. In the subsequent discharge process, the chemical energy stored in the Li–S battery is further converted to electrical

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Perovskite lithium-sulfur battery

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