Recent advances in solid polymer electrolytes for lithium batteries

Zhang, Qingqing; Liu, Kai; Ding, Fei; Liu, Xingjiang

doi:10.1007/s12274-017-1763-4

Cited by 444 publications

(347 citation statements)

References 135 publications

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“…Solid‐state batteries constructed from solid electrolytes (SEs) attract ever growing attentions, because SEs offer high safety, and their excellent stability enables metallic Li anode and high‐voltage cathode, which results in high energy density . SEs for lithium batteries mainly fall into two categories of materials: ionic conducting ceramics and polymers . However, SEs usually suffer from low ionic conductivity and huge resistances at the interfaces between SE and active electrodes .…”

Section: Introductionmentioning

confidence: 99%

“…However, SEs usually suffer from low ionic conductivity and huge resistances at the interfaces between SE and active electrodes . The ionic conductivities of polymers are below 10 −6 S cm −1 and their stabilities under high potentials is poor, even though they show low resistances at the electrode/electrolyte interfaces . Inorganic ceramics own high ionic conductivities of 10 −4 –10 −2 S cm −1 , but the interfacial resistances between rigid oxides and electrodes are huge, and sulfides are apt to release poisonous H 2 S and contain very expensive components .…”

Section: Introductionmentioning

confidence: 99%

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Nanostructured Metal–Organic Framework (MOF)‐Derived Solid Electrolytes Realizing Fast Lithium Ion Transportation Kinetics in Solid‐State Batteries

Guo

2019

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105

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Solid‐state batteries are hindered from practical applications, largely due to the retardant ionic transportation kinetics in solid electrolytes (SEs) and across electrode/electrolyte interfaces. Taking advantage of nanostructured UIO/Li‐IL SEs, fast lithium ion transportation is achieved in the bulk and across the electrode/electrolyte interfaces; in UIO/Li‐IL SEs, Li‐containing ionic liquid (Li‐IL) is absorbed in Uio‐66 metal–organic frameworks (MOFs). The ionic conductivity of the UIO/Li‐IL (15/16) SE reaches 3.2 × 10−4 S cm−1 at 25 °C. Owing to the high surface tension of nanostructured UIO/Li‐IL SEs, the contact between electrodes and the SE is excellent; consequently, the interfacial resistances of Li/SE and LiFePO4/SE at 60 °C are about 44 and 206 Ω cm2, respectively. Moreover, a stable solid conductive layer is formed at the Li/SE interface, making the Li plating/stripping stable. Solid‐state batteries from the UIO/Li‐IL SEs show high discharge capacities and excellent retentions (≈130 mA h g−1 with a retention of 100% after 100 cycles at 0.2 C; 119 mA h g−1 with a retention of 94% after 380 cycles at 1 C). This new type of nanostructured UIO/Li‐IL SEs is very promising for solid‐state batteries, and will open up an avenue toward safe and long lifespan energy storage systems.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nanostructured Metal–Organic Framework (MOF)‐Derived Solid Electrolytes Realizing Fast Lithium Ion Transportation Kinetics in Solid‐State Batteries

Guo

2019

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105

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“…Different from the active fillers, the price and self‐synthesis process for inert fillers are relatively low and simple. Meanwhile, there is an interaction of Lewis acid–base pair between the nanoparticles and anion group of lithium salt, such as ClO 4 − and TFSI − , which is beneficial for dissolving lithium salt and releases more Li + . In addition, the nanoparticles can provide some path on their surface for ion transfer and distort highly ordered polymer segments to increase the content of amorphous phase, which provides the possibility of increasing conductivity.…”

Section: Introductionmentioning

confidence: 91%

Preparation and performance of poly(ethylene oxide)‐based composite solid electrolyte for all solid‐state lithium batteries

Wang

Shao

et al. 2019

J of Applied Polymer Sci

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Poly(ethylene oxide)‐based solid electrolyte is attractive for using in all solid‐state lithium batteries. However, the polymer has a certain degree of crystallization, which is adverse to the conduction of lithium ions. In order to overcome this drawback, a flexible composite polymer electrolyte (CPE) containing TiO2 nanoparticles is elaborately designed and synthesized by tape casting method. The effects of different molar ratios of EO: Li and mass fraction of TiO2 on the physical and electrochemical performances are carefully studied. The results show the CPE10 having 10 wt % TiO2 has the lowest degree of crystallinity of 9.04%, the lowest activation energy of 8.63 × 10−5 eV mol−1. Besides, the CPE10 shows a lower polarization and higher decomposition voltage. Thus, prepared all solid‐state battery LiFePO4/CPE10/Li shows a high initial capacity of 160 mAh g−1 at 0.1 C, 134 mAh g−1 at 0.5 C and higher capacity retention of 93.2% after 50 cycles at 0.5 C (1 C = 170 mAh g−1). © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47498.

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“…Thus, efforts are needed to optimize the performance of SIC ‐BCEs both in fundamental studies and materials design. According to various recent reviews and from our own knowledge of BCEs, we may tentatively suggest the SIC ‐BCE structure shown in Fig. , with (a) short PEO side chains for high mobility, (b) super‐delocalized sulfonylimide anions for improving ionic conductivity at room temperature, (c) low T g flexible backbone for promoting chain motion, (d) flexible spacer, (e) hydrophobic block for imparting mechanical strength and inducing self‐assembly and (f) crosslinked sites to allow for post‐crosslinking after self‐assembly of block copolymers and the possibility of adding plasticizer while preserving self‐standing character and hence increasing ionic conductivity.…”

Section: Discussionmentioning

confidence: 86%

Poly(ethylene oxide)‐based block copolymer electrolytes for lithium metal batteries

Phan

Issa

Gigmès

2018

Polymer International

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Nanostructured block copolymer electrolytes (BCEs) based on poly(ethylene oxide) (PEO) are considered as promising candidates for solid‐state electrolytes in high energy density lithium metal batteries (LMBs). Because of their self‐assembly properties, they confer on electrolytes both high mechanical strength and sufficient ionic conductivity, which linear PEO cannot provide. Two types of PEO‐based BCEs are commonly known. There are the traditional ones, also called dual‐ion conducting BCEs, which are a mixture of block copolymer chains and lithium salts. In these systems, the cations and anions participate in the conduction, inducing a concentration polarization in the electrolyte, thus leading to poor performances of LMBs. The second family of BCEs are single‐lithium‐ion conducting BCEs (SIC‐BCEs), which consist of anions being covalently grafted to the polymer backbone, therefore involving conduction by lithium ions only. SIC‐BCEs have marked advantages over dual‐ion conducting BCEs due to a high lithium ion transference number, absence of anion concentration gradients as well as low rate of lithium dendrite growth. This review focuses on the recent developments in BCEs for applications in LMBs with particular emphasis on the physicochemical and electrochemical properties of these materials. © 2018 Society of Chemical Industry

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Recent advances in solid polymer electrolytes for lithium batteries

Cited by 444 publications

References 135 publications

Nanostructured Metal–Organic Framework (MOF)‐Derived Solid Electrolytes Realizing Fast Lithium Ion Transportation Kinetics in Solid‐State Batteries

Nanostructured Metal–Organic Framework (MOF)‐Derived Solid Electrolytes Realizing Fast Lithium Ion Transportation Kinetics in Solid‐State Batteries

Preparation and performance of poly(ethylene oxide)‐based composite solid electrolyte for all solid‐state lithium batteries

Poly(ethylene oxide)‐based block copolymer electrolytes for lithium metal batteries

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