Tailoring Practically Accessible Polymer/Inorganic Composite Electrolytes for All-Solid-State Lithium Metal Batteries: A Review

Liang, Hong; Wang, Li; Wang, Aiping; Song, Yaqin; Wu, Yanzhou; Yang, Yang; He, Xiangming

doi:10.1007/s40820-022-00996-1

Cited by 68 publications

(43 citation statements)

References 230 publications

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“…[149] In the design of polymer-inorganic SSEs, the conductivity, flexibility, and mechanical strength should be taken into account. [150][151][152] Instead of the traditional sandwich flat-cell structure, three dimensional SSLMBs were designed to alleviate the huge volume changes during the Li stripping/plating. [153] The artificial interphase planted between the Li metal anode and the SSEs could suppress the growth of Li dendrites, improve the electrochemical/chemical stability of the interface, and enhance the surface wettability.…”

Section: The Interfacial Issue In the Solid-state Electrolytes (Sses)mentioning

confidence: 99%

“…Alloying could improve the electrochemical stability of the interface by increasing the potential of the anode [149] . In the design of polymer‐inorganic SSEs, the conductivity, flexibility, and mechanical strength should be taken into account [150–152] . Instead of the traditional sandwich flat‐cell structure, three dimensional SSLMBs were designed to alleviate the huge volume changes during the Li stripping/plating [153] .…”

Section: The Interfacial Issue In the Solid‐state Electrolytes (Sses)mentioning

confidence: 99%

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Solid Electrolyte Interphase Architecture for a Stable Li‐electrolyte Interface

Pan

Zhang

2023

Chemistry An Asian Journal

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Li metal anode has attracted extensive attention as the state‐of‐the‐art anode material for rechargeable batteries. It is defined as the ultimate anode material for the high theoretical specific capacity (3860 mAh g−1) and the lowest negative electrochemical potential (−3.04 V vs. Standard Hydrogen Electrode). However, the uncontrolled Li dendrites and the spontaneous side reactions between Li and electrolytes hinder its commercialization. To overcome these obstacles, the optimized solid electrolyte interphase (SEI) with excellent performance was proposed by the artificial method. The improved performance includes high stability, ionic conductivity, compactness, and flexibility. In this review, the strategies for artificial SEI engineering in liquid and solid electrolytes are summarized. To fabricate an ideal artificial SEI, the component, distribution, and structure should be fully and reasonably considered. This review will also provide perspectives for the SEI design and lay a foundation for the future research and development of Li metal batteries.

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Section: The Interfacial Issue In the Solid-state Electrolytes (Sses)mentioning

confidence: 99%

Section: The Interfacial Issue In the Solid‐state Electrolytes (Sses)mentioning

confidence: 99%

Solid Electrolyte Interphase Architecture for a Stable Li‐electrolyte Interface

Pan

Zhang

2023

Chemistry An Asian Journal

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“…Thereby, nano-inorganic particles such as Al 2 O 3 , SiO 2 , and TiO 2 can significantly improve electrolyte wettability, thermal stability, and ionic conductivity of polymer [23][24][25][26][27]. Besides, Li 7 La 3 Zr 2 O 12 (LLZO) and its derivates as an excellent Li + conductor have been added into membranes [28][29][30]. Recently, Cui et al [31] prepared a polyvinylidene fluoride (PVDF)/cellulose acetate (CA) based membrane by using non-solvent-induced phase separation (NIPS) method.…”

Section: Introductionmentioning

confidence: 99%

“…Thereby, nano‐inorganic particles such as Al 2 O 3 , SiO 2 , and TiO 2 can significantly improve electrolyte wettability, thermal stability, and ionic conductivity of polymer [23–27]. Besides, Li 7 La 3 Zr 2 O 12 (LLZO) and its derivates as an excellent Li + conductor have been added into membranes [28–30]. Recently, Cui et al.…”

Section: Introductionmentioning

confidence: 99%

A biodegradable nano‐composite membrane for high‐safety and durable lithium‐ion batteries

Wang

Liu

Zhou

et al. 2023

Micro & Nano Letters

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As a key component of lithium‐ion batteries (LIBs), separator plays a crucial role in the performance and safety of LIBs. In this paper, a cellulose‐based porous membrane modified by nano CaCO3 is prepared conveniently by electrospinning. The membrane exhibits rich fibrous porous networks and uniform distribution of nanoparticles. Strengthened by CaCO3, the tensile strength of the cellulose porous membrane elevates from 4.7 ± 0.4 MPa to 7.7 ± 0.7 MPa. Besides, the modified membranes possess improved thermal stability and can maintain their original size after treatment at 150°C and 180°C. Also, the electrolyte uptake of cellulose/CaCO3 membrane is 73% higher than that of the pure cellulose membrane. Thus, the ionic conductivity of membrane achieves 1.08 mS cm−1 and the electrochemical window is about 4.8 V, which meets the practical requirements of LIBs. Significantly, with LiFePO4/Li battery this membrane can run for 230 cycles with a capacity retention of 97.4% and a discharge capacity of 149.0 mAh g−1, demonstrating the huge potential for high safety and next‐generation LIBs.

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“…To better meet the application-specific requirements of solid-state batteries, the applied solid-state electrolytes should be flexible, thin, highly ion-conductive, chemically stable, and mechanically robust to guarantee the fast Li + transportation inside and the long cycle life of batteries. − Additionally, it is expected to be compatible and form intimate contact with electrodes assembled. Further considering the scalable industrial manufacture, the fabrication process of electrolytes should be simple and energy-saving .…”

Section: Introductionmentioning

confidence: 99%

LLZTO Nanoparticle- and Cellulose Mesh-Coreinforced Flexible Composite Electrolyte for Stable Li Metal Batteries

Cai,

Zhang,

et al. 2023

ACS Appl. Mater. Interfaces

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Composite electrolytes have been regarded as the most prospective electrolytes for commercial application because they acquire the advantages of both polymer and inorganic electrolytes, commonly exhibiting appreciated flexibility and suitable ionic conductivity. Nevertheless, the conventional solution-casting method with toxic solvent and poor interfacial contact still hamper their commercialization process. Moreover, electrolytes with higher ionic conductivity and transference number are urgently needed for satisfying fast-charging batteries. Herein, a novel composite electrolyte (LZEC) reinforced by mechanically robust LLZTO nanoparticles and flexible cellulose mesh was fabricated by a simple and advanced in situ thermal polymerization method, with adding of highly ion-conductive liquid plasticizer. Consequently, the rationally designed LZEC composite electrolyte exhibits superior flexibility and remarkable electrochemical properties in the form of high ionic conductivity, wide electrochemical stability window, and high Li + transference number. Importantly, the in situ synthesis method is expected to help construct an enhanced electrolyte/electrode interface inside the battery, and the LZEC composite electrolyte is capable of suppressing Li dendrite growth effectively, as evidenced by the prolonged stable cycling of the Li/Li symmetric cell. Therefore, the LFP/LZEC/Li full cell exhibits superior rate performance and long cyclic life. These attractive properties make LZEC a potential composite electrolyte for boosting the practical application of safe and long-life Li metal batteries.

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Tailoring Practically Accessible Polymer/Inorganic Composite Electrolytes for All-Solid-State Lithium Metal Batteries: A Review

Cited by 68 publications

References 230 publications

Solid Electrolyte Interphase Architecture for a Stable Li‐electrolyte Interface

Solid Electrolyte Interphase Architecture for a Stable Li‐electrolyte Interface

A biodegradable nano‐composite membrane for high‐safety and durable lithium‐ion batteries

LLZTO Nanoparticle- and Cellulose Mesh-Coreinforced Flexible Composite Electrolyte for Stable Li Metal Batteries

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