Garnet structured solid fast Li+ conductor as polysulfide shuttle inhibitor in Li-S battery

Din, Mir Mehraj Ud; Murugan, Ramaswamy

doi:10.1016/j.elecom.2018.07.001

Cited by 39 publications

(16 citation statements)

References 43 publications

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“…82 Garnet typed electrolyte is also widely used in Li/S battery. 3,71,[86][87][88] Solid electrolyte can block the "shutter effect" in Li/S battery by blocking the transfer of intermediate polysulfides to the Li anode. 89 As the insulating nature of sulfur, current publications focused on using nanostructured garnet to adopt sulfur to increase the contact area, which will be discussed in section 4.…”

Section: Garnet/cathode Interfacementioning

confidence: 99%

“…In addition to the additives, nanostructured garnet electrolyte is widely used as a cathode active materials host to improve the contact between SSE with cathode. 3,5,78,[108][109][110] The high surface area provided by nanostructures can adopt the volume change of cathode materials during the cycling and increase the cathode/LLZO particle contact area. This is particularly important for Li-sulfur batteries.…”

Section: Toward To Cathode/garnet Electrolyte Interfacementioning

confidence: 99%

“…Garnet typed electrolyte is also widely used in Li/S battery 3,71,86–88 . Solid electrolyte can block the “shutter effect” in Li/S battery by blocking the transfer of intermediate polysulfides to the Li anode 89 .…”

Section: Garnet/electrode Interface Propertiesmentioning

confidence: 99%

“…1 Rechargeable Li-ion batteries (LIBs) are one of the greatest inventions that have been widely used in portable electronics and electric vehicles. 2,3 Safety becomes a major concern as high-energy devices pose the risk of failure and explosion. [4][5][6] For LIBs, the major risk stems from the ignition of liquid electrolytes in the case of short-circuit, causing explosion accidents such as the Samsung Galaxy Note 7 scandal.…”

Section: Introductionmentioning

confidence: 99%

“…The change from fossil fuels to renewable energy supply requires efficient and reliable energy storage systems 1 . Rechargeable Li‐ion batteries (LIBs) are one of the greatest inventions that have been widely used in portable electronics and electric vehicles 2,3 . Safety becomes a major concern as high‐energy devices pose the risk of failure and explosion 4–6 .…”

Section: Introductionmentioning

confidence: 99%

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Progress and perspective of interface design in garnet electrolyte‐based all‐solid‐state batteries

et al. 2021

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Inorganic solid-state electrolytes (SSEs) are nonflammable alternatives to the commercial liquid-phase electrolytes. This enables the use of lithium (Li) metal as an anode, providing high-energy density and improved stability by avoiding unwanted liquid-phase chemical reactions. Among the different types of SSEs, the garnet-type electrolytes witness a rapid development and are considered as one of the top candidates to pair with Li metal due to their high ionic conductivity, thermal, and electrochemical stability. However, the large resistances at the interface between garnet-type electrolytes and cathode/anode are the major bottlenecks for delivering desirable electrochemical performances of all-solid-state batteries (SSBs). The electrolyte/anode interface also suffers from metallic dendrite formation, leading to rapid performance degradation. This is a fundamental material challenge due to the poor contact and wettability between garnet-type electrolytes with electrode materials. Here, we summarize and analyze the recent contributions in mitigating such materials challenges at the interface. Strategies used to address these challenges are divided into different categories with regard to their working principles. On one hand, progress has been made in the anode/ garnet interface, such as the successful application of Li-alloy anode and different artificial interlayers, significantly improving interfacial performance. On the other hand, the desired cathode/garnet interface is still hard to reach due to the complex chemical and physical structure at the cathode. The common methods used are nanostructured cathode host and sintering additives for increasing the contact area.On the basis of this information, we present our views on the remaining challenges and future research of electrode/garnet interface. This review not only motivates the need for further understanding of the fundamentals, stability, and modifications of the garnet/electrode interfaces but also provides guidelines for the future design of the interface for SSB.

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Section: Garnet/cathode Interfacementioning

confidence: 99%

Section: Toward To Cathode/garnet Electrolyte Interfacementioning

confidence: 99%

Section: Garnet/electrode Interface Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Progress and perspective of interface design in garnet electrolyte‐based all‐solid‐state batteries

et al. 2021

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Phase‐Changeable Dynamic Conformal Electrode/electrolyte Interlayer enabling Pressure‐Independent Solid‐State Lithium Metal Batteries

Zhu

Zhao

et al. 2023

Advanced Materials

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Sulfur Redox Reactions at Working Interfaces in Lithium–Sulfur Batteries: A Perspective

Yuan

Peng

Huang

et al. 2019

Adv Materials Inter

147

104

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Lithium–sulfur (Li–S) batteries have been strongly considered as one of the most promising future energy storage systems because of ultrahigh theoretical energy density of 2600 Wh kg−1. The natural abundance, affordable cost, and environmental benignity of elemental sulfur constitute additional advantages. However, complicated reaction behaviors at working electrode/electrolyte interfaces that involve multiphase conversion and multistep ion/electron diffusion during sulfur redox reactions have impeded the thorough understanding of Li–S chemistry and its practical applications. This perspective article highlights the influence of the ion/electron transport and reaction regulation through electrocatalysis or redox mediation at electrode/electrolyte interfaces on various interfacial sulfur redox reactions (liquid–liquid–solid interconversion between soluble lithium polysulfide with different chain lengths and insoluble lithium sulfides in liquid‐electrolyte Li–S batteries and direct solid–solid conversion between sulfur and Li2S in all‐solid‐state Li–S batteries). The current status, existing challenges, and future directions are discussed and prospected, aiming at shedding fresh light on fundamental understanding of interfacial sulfur redox reactions and guiding the rational design of electrode/electrolyte interfaces for next‐generation Li–S batteries with high energy density and long cycle life.

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Garnet structured solid fast Li+ conductor as polysulfide shuttle inhibitor in Li-S battery

Cited by 39 publications

References 43 publications

Progress and perspective of interface design in garnet electrolyte‐based all‐solid‐state batteries

Progress and perspective of interface design in garnet electrolyte‐based all‐solid‐state batteries

Phase‐Changeable Dynamic Conformal Electrode/electrolyte Interlayer enabling Pressure‐Independent Solid‐State Lithium Metal Batteries

Sulfur Redox Reactions at Working Interfaces in Lithium–Sulfur Batteries: A Perspective

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