Advances in Composite Polymer Electrolytes for Lithium Batteries and Beyond

Tang, Shuai; Guo, Wei; Fu, Yongzhu

doi:10.1002/aenm.202000802

Cited by 196 publications

(162 citation statements)

References 197 publications

(181 reference statements)

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“…215,216 Alternatively, the gel polymer electrolytes (GPEs) trap liquid organic components in polymeric scaffolds, which uniquely combine advantages of polymer electrolytes (leakage-proof) and liquid electrolytes (highly ion-conductive), being of research interests in solid-state batteries. [217][218][219] The extraordinary solvating power for lithium salts and excellent compatibility with metallic lithium endow PEO as attractive skeleton of GPEs, while its mechanical strength is compromised by the solvent plasticizers. 220 Incorporation of rigid polymer segments, such as PVDF, 221 PAN, 222 and poly(dimethylsiloxane), 223 into PEO has been proposed to reinforce the electrolyte film.…”

Section: Flexible Electrolytesmentioning

confidence: 99%

Advanced energy materials for flexible batteries in energy storage: A review

et al. 2020

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Smart energy storage has revolutionized portable electronics and electrical vehicles. The current smart energy storage devices have penetrated into flexible electronic markets at an unprecedented rate. Flexible batteries are key power sources to enable vast flexible devices, which put forward additional requirements, such as bendable, twistable, stretchable, and ultrathin, to adapt mechanical deformation under the working conditions. This review summarizes the recent advances in construction and configuration of flexible batteries and discusses the general metrics to benchmark various flexible batteries with different materials and chemistries. Moreover, we present advanced prototype flexible batteries developed by some companies to afford general envision of the technological status. Lastly, the critical points are summarized in the development of flexible batteries and remaining challenges are also presented for the future design of flexible batteries in practical perspectives. K E Y W O R D S composite electrode, flexible batteries, smart energy storage, ultrathin batteries, wearable electronics 1 | INTRODUCTION Rechargeable batteries have popularized in smart electrical energy storage in view of energy density, power density, cyclability, and technical maturity. 1-5 A great success has been witnessed in the application of lithium-ion (Li-ion) batteries in electrified transportation and portable electronics, and non-lithium battery chemistries emerge as alternatives in special applications from cost and safety views. 6-10 While energy/power

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Section: Flexible Electrolytesmentioning

confidence: 99%

Advanced energy materials for flexible batteries in energy storage: A review

et al. 2020

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“…Another more effective strategy that has attracted world‐wide attention is to replace conventional organic liquid electrolytes with solid‐state electrolytes which play dual roles of both electrolyte and separator. [ 107 ] The solid‐state electrolytes can not only eliminate the possibility of the potassium dendrite‐caused internal short circuit to a large extent but also impede the dissolution of soluble polychalcogenides to lead to shuttle effect. Liu's group first conducted a research into all‐solid‐state K‐S batteries.…”

Section: Challenges and Solutionsmentioning

confidence: 99%

Advanced High‐Performance Potassium–Chalcogen (S, Se, Te) Batteries

Huang

Sun

Wang

et al. 2021

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Current great progress on potassium‐chalcogen (S, Se, Te) batteries within much potential to become promising energy storage systems opens a new avenue for the rapid development of potassium batteries as a complementary option to lithium ion batteries. The discussion mainly concentrates on recent research advances of potassium–chalcogen (S, Se, Te) batteries and their corresponding cathode materials in this review. Initially, the development of cathode materials for four types of batteries is introduced, including: potassium–sulfur (K–S), potassium–selenium (K–Se), potassium–selenium sulfide (K–SexSy), and potassium–tellurium (K–Te) batteries. Next, critical challenges for chalcogen‐based electrodes in devices operation are summarized. In addition, some pragmatic strategies are proposed as well to relieve the low electronic conductivity, large volumetric expansion, shuttle effect, and potassium dendrite growth. At last, the perspectives on designing advanced cathode materials for potassium–chalcogen batteries are provided with the goal of developing high‐performance potassium storage devices.

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“…[ 153 ] The intermolecular interaction between polymer matrices and fillers in the CPE has been focused as an important contributor to suppress the crystallinity of the polymer, improve the mechanical and electrochemical stability without compromise of ionic conductivity. [ 154 ] The filler for CPE is generally categorized as organic filler like porous membrane supporting highly flexible polymer matrix, and inorganic filler containing inert fillers and active inorganic electrolyte fillers.…”

Section: Synergistic Effects From Blendingmentioning

confidence: 99%

Macromolecular Design of Lithium Conductive Polymer as Electrolyte for Solid‐State Lithium Batteries

Meng

Lian

Cui

2020

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100

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In the development of solid‐state lithium batteries, solid polymer electrolyte (SPE) has drawn extensive concerns for its thermal and chemical stability, low density, and good processability. Especially SPE efficiently suppresses the formation of lithium dendrite and promotes battery safety. However, most of SPE is derived from the matrix with simple functional group, which suffers from low ionic conductivity, reduced mechanical properties after conductivity modification, bad electrochemical stability, and low lithium‐ion transference number. Appling macromolecular design with multiple functional groups to polymer matrix is accepted as a strategy to solve the problems of SPE fundamentally. In this review, macromolecular design based on lithium conducting groups is summarized including copolymerization, network construction, and grafting. Meanwhile, the construction of single‐ion conductor polymer is also focused herein. Moreover, synergistic effects between the designed matrix, lithium salt, and fillers are reviewed with the objective to further improve the performance of SPE. At last, future studies on macromolecular design are proposed in the development of SPE for solid‐state batteries with high energy density and durability.

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Advances in Composite Polymer Electrolytes for Lithium Batteries and Beyond

Cited by 196 publications

References 197 publications

Advanced energy materials for flexible batteries in energy storage: A review

Advanced energy materials for flexible batteries in energy storage: A review

Advanced High‐Performance Potassium–Chalcogen (S, Se, Te) Batteries

Macromolecular Design of Lithium Conductive Polymer as Electrolyte for Solid‐State Lithium Batteries

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