Natural halloysite nano-clay electrolyte for advanced all-solid-state lithium-sulfur batteries

Lin, Yongcheng; Wang, Xuming; Liu, Jin

doi:10.1016/j.nanoen.2016.11.045

Cited by 314 publications

(217 citation statements)

References 44 publications

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“…2 V). The value at 100 C is also higher than that of PEO + LiTFSI, 17 showing that the electrochemical stability was enhanced by wheat our. Besides, the plating/striping of Li + /Li at near 0 V was investigated by cycling the SPE in the voltage route of OCV / À2 V / OCV at 25 C and OCV / À0.5 V / OCV at 100 C. This once again validates the lithium ionic transfer ability in the wheat our modied SPE in the temperature range of 25 to 100 C.…”

Section: Thermal and Electrochemical Stability Of The Spementioning

confidence: 95%

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Biocompatible and biodegradable solid polymer electrolytes for high voltage and high temperature lithium batteries

Lin

Cheng

et al. 2017

RSC Adv.

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Solid polymer electrolytes (SPEs) have significant potential to improve the energy density of lithium batteries and exhibit good flexibility, electrochemical stability and increased safety. In this study, a biocompatible and biodegradable SPE is prepared by using the natural product, wheat flour. The SPE is found to have an ionic conductivity of 2.62 Â 10 À5 S cm À1 at 25 C with a Li + ionic transference number of 0.51.

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Section: Thermal and Electrochemical Stability Of The Spementioning

confidence: 95%

“…17 By using the electrolyte, the all-solid-state lithium-sulfur battery obtained a capacity of 1350 mA h g À1 initially at 25 C and 0.1C. Besides, micro size lithium ionic conductive ceramic Li 10 GeP 2 S 12 was used in a PEO electrolyte, which exhibited ionic conductivity of 1.18 Â 10 À5 S cm À1 and 1.21 Â 10 À3 S cm À1 at 25 and 80 C, respectively.…”

mentioning

confidence: 99%

Biocompatible and biodegradable solid polymer electrolytes for high voltage and high temperature lithium batteries

Lin

Cheng

et al. 2017

RSC Adv.

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“…[17] In early stage, nonconductive ceramics, such as TiO 2 ,A l 2 O 3 ,S iO 2 and ZrO 2 were dispersed in polymer matrix to suppresst he crystallinityo fp olymer chains. [19] Nevertheless, these systems are primarily considered as modified polymer SSEs and have been well summarized in previous reviews. [19] Nevertheless, these systems are primarily considered as modified polymer SSEs and have been well summarized in previous reviews.…”

Section: Composite Polymer-inorganic Hssesmentioning

confidence: 99%

Recent Progress of Hybrid Solid‐State Electrolytes for Lithium Batteries

Liu

et al. 2018

Chemistry A European J

129

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Conventional liquid electrolytes for lithium batteries usually suffer from irreversible decomposition and safety concerns. Solid state electrolytes (SSEs) have been considered as the key for advanced lithium batteries with improved energy density and safety, whereas challenges remain for polymer and inorganic SSEs. Recently, hybrid solid-state electrolytes (HSSEs) that integrate the merits of different electrolyte systems have been under intensive study. Herein, we summarize the recent progress of HSSEs with different compositions and structures. The design principle of each type of HSSEs are discussed, as well as their ionic conducting mechanism, electrochemical performance and effects of compositional/structural control. Finally, challenges and perspectives are provided for the future development of HSSEs and solid-state lithium batteries.

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“…Since the first study on poly(ethylene oxide) (PEO) -based electrolyte for Li-S cells in the late of 1980s by DeGott, 37 several types of solid electrolytes have been investigated as Li-ion conducting materials for ASSLSBs, including those based on pure polymeric components, [38][39][40][41][42][43][44][45][46][47][48][49] ceramic electrolytes, [50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66][67] and composite electrolytes (mix of ceramic and other electrolytes). [68][69][70] Generally, PEs can be classified into two categories: solid polymer electrolytes (SPEs) and gel polymer electrolytes (GPEs).…”

Section: Current Statusmentioning

confidence: 99%

Review—Solid Electrolytes for Safe and High Energy Density Lithium-Sulfur Batteries: Promises and Challenges

Judez

Zhang

et al. 2017

J. Electrochem. Soc.

151

127

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All-solid-state lithium-sulfur batteries (ASSLSBs) offer a means to enhance the energy density and safety of the state-of-art lithiumion batteries (LIBs), due to their high gravimetric energy density, low cost and environmental benignancy. In this work, the status of the research advances and perspectives on several types of solid electrolytes (SEs) developed for ASSLSBs are reviewed. The promises and challenges of utilizing SEs are discussed taking into account both theoretical calculation and experimental results, in hope of shedding some lights on future design of high energy density, cost competitive, and safe Li-S batteries. Lithium-sulfur (Li-S) batteries have been extensively investigated for lightweight applications (e.g., aircraft, artificial satellite, and unmanned aerial vehicles), and large-scale stationary energy storage, owing to their high gravimetric energy density, low cost, and environmental friendliness.1-3 The deployment of Li-S batteries into commercial market is hampered by several seemingly intrinsic problems resulting from the complex cell chemistry. Firstly, the electronically insulating nature of elemental sulfur (S 8 ) and end-product lithium sulfide (Li 2 S) leads to unstable electrochemical contact within S cathode. [4][5][6][7] Secondly, the soluble intermediates of polysulfide (PS) can diffuse between the cathode and anode (i.e., shuttle effect of PS), generating an active material loss in S cathode and degrading metallic Li anode. [4][5][6][7][8][9] Thirdly, the formation of 'dead' Li and Li dendrites upon cycling could not only decrease the Coulombic efficiency but also raise safety issues. [10][11][12] In recent years, various strategies have been attempted to overcome the above-mentioned problems. Most of the efforts have been devoted to enhance the electrochemical performance of Li-S batteries using well-designed cathode materials. 13 The diffusion of polysulfide species generated during discharge into electrolytes can be significantly suppressed by infusing sulfur into carbon materials in the cathode with an adequately controlled and engineered porosity and pore size, thus increasing the practical capacity and cyclability of Li-S batteries. These rational and creative strategies of cathode design have been covered by a number of recent reviews. 7,14,15 Besides, new binders (e.g., poly(ethylene oxide) (PEO) 16 and carboxymethycellulose (CMC) 17,18 ) have been employed for guarantying the integrity of the morphology and structure of S cathode, and enhancing the adhesion to current collector. The modification of separators (e.g., multiwall carbon nanotubes coated polypropylene 19 and lithiated Nafion 20 ) have been also developed for reducing the migration of polysulfides, thus mitigating the shuttle effect of PS. 21Apart from the strategies mentioned above, another approach, focusing on electrolyte formulation and modification, has been proved to be effective. The performances of Li-S batteries are largely affected by the electrolyte recipes, such as the type and identity of so...

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Natural halloysite nano-clay electrolyte for advanced all-solid-state lithium-sulfur batteries

Cited by 314 publications

References 44 publications

Biocompatible and biodegradable solid polymer electrolytes for high voltage and high temperature lithium batteries

Biocompatible and biodegradable solid polymer electrolytes for high voltage and high temperature lithium batteries

Recent Progress of Hybrid Solid‐State Electrolytes for Lithium Batteries

Review—Solid Electrolytes for Safe and High Energy Density Lithium-Sulfur Batteries: Promises and Challenges

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