Polymers in Lithium‐Ion and Lithium Metal Batteries

Li, Junheng; Cai, Yifeng; Wu, Huadong; Yu, Zhiao; Yan, Xuzhou; Zhang, Qiuhong; Gao, Theodore Z.; Li, Kai; Jia, Xudong; Bao, Zhenan

doi:10.1002/aenm.202003239

Cited by 175 publications

(147 citation statements)

References 293 publications

(607 reference statements)

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“…The interfaces between electrolytes and electrodes are critical for their performances. [ 225–229 ] According to the state‐of‐art level, organosilicon contributes to the battery interface mainly via two manners. One is based on chemical process that organosilicon participates in battery reactions and conversions into a protective/functional ingredient for CEI/SEI at the electrode/electrolyte interface.…”

Section: Organosilicon For Li‐ion Batterymentioning

confidence: 99%

Organosilicon‐Based Functional Electrolytes for High‐Performance Lithium Batteries

Wang

Chen

et al. 2021

Advanced Energy Materials

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Nowadays excessive consumption of fossil fuels due to population growth and industrial development induced serious energy and environmental crisis. To alleviate the ecological crisis and comply with the ever-increasing energy demand, developingThe electrolyte has been considered as a key factor toward higher energy density for Li-ion and Li-metal batteries. However, conventional electrolytes suffer from uncontrolled interfacial reactions and irreversible decomposition causing performance deterioration and potential safety hazard. Organosilicon compounds have attracted great interest as promising electrolyte components due to facile chemical modifications, low glass transition temperatures (T g ), superior chemical, and thermal stabilities. Considerable investigation efforts have been devoted to developing better overall performance of organosilicon-based electrolytes in the past few years. Herein, the recent research progress of organosilicon-based functional electrolytes for the development of liquid, gel, and solid state electrolytes in Li-ion and Li-metal batteries is summarized. Attention is devoted to various types of organosilicon such as silane, siloxane, polysiloxane, and polyhedral oligomeric silsesquioxanes in terms of molecular design, ionic conductivity, functions shown in batteries, thermal, chemical, electrochemical stability, safety, etc. The feasible strategies are also discussed that may promote the comprehensive electrochemical performances of organosilicon-based electrolytes in different types of electrolytes and batteries. Finally, the challenges facing organosilicon-based electrolytes and proposed their possible solutions are presented alongside promising development directions.

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Section: Organosilicon For Li‐ion Batterymentioning

confidence: 99%

Organosilicon‐Based Functional Electrolytes for High‐Performance Lithium Batteries

Wang

Chen

et al. 2021

Advanced Energy Materials

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“…Some excellent recent reviews summarize the current development, design and improvement of Art-SEIs. [26,27,28,99,[108][109][110][111][112][113][114] In contrast, our present review mainly focuses on the reality check of Art-SEI materials and methods toward real-world applications. Specifically, in this chapter, Art-SEI engineering approaches are reviewed from a practical perspective, divided into top-down and bottom-up methods.…”

Section: Production Methods-advantages Challenges and Effectivenessmentioning

confidence: 99%

Molecular Engineering Approaches to Fabricate Artificial Solid‐Electrolyte Interphases on Anodes for Li‐Ion Batteries: A Critical Review

Fedorov

Maletti

Heubner

et al. 2021

Advanced Energy Materials

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in further markets, such as electromobility and large-scale grid storage. Although LIBs offer high energy density and have reached a high level of maturity, there are still many technological challenges to meet established user habits and increasing demands. [1] Among the remaining challenges of LIBs, one of the most crucial issues is the electrochemical instability of anodes toward electrolytes. When using anode materials with favorably low electrode potentials close to Li/Li + , common liquid electrolytes are decomposed. Ideally, this leads to the formation of a stable so-called solid-electrolyte interphase (SEI), preventing further electrolyte decomposition and leading to stable cycling performance. Furthermore, the SEI has decisive influence on the charge/discharge kinetics of the battery, as this is where the Li-ions overcome the interface between the electrolyte and the electrode. Accordingly, the SEI is a key component that determines the performance of LIBs. The "natural SEI" that forms at the anode/electrolyte interface during initial cycling represents a thin layer made of salts, oxides, polymers. [2] The conceptual model of SEI was introduced by Peled in 1979 [3] and further developed by other groups. [4][5][6][7][8][9][10][11][12] According to this model, natural SEIs possess only ionic conductivity, while serving as a barrier to electron transfer. In this regard, the thickness and conformity of SEI An intrinsic challenge of Li-ion batteries is the instability of electrolytes against anode materials. For anodes with a favorably low operating potential, a solid-electrolyte interphase (SEI) formed during initial cycles provides stability, traded off for capacity consumption. The SEI is mainly determined by the anode material, electrolyte composition, and formation conditions. Its properties are typically adjusted by changing the liquid electrolyte's composition. Artificial SEIs (Art-SEIs) offer much more freedom to address and tune specific properties, such as chemical composition, impedance, thickness, and elasticity. Art-SEIs for intercalation, alloying, conversion and Li metal anodes have to fulfil varying requirements. In all cases, sufficient transport properties for Li-ions and (electro-)chemical stability must be guaranteed. Several approaches for Art-SEIs preparation have been reported: from simple casting and coating techniques to elaborated Phys-Chem modifications and deposition processes. This review critically reports on the promising approaches for Art-SEIs formation on different type of anode materials, focusing on methodological aspects. The specific requirements for each approach and material class, as well as the most effective strategies for Art-SEI coating, are discussed and a roadmap for further developments towards next-generation stable anodes are provided.

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“…Electrochemical cell assembled using this cellulose based flexible electrolyte displayed an exceptional cyclic stability with a coulombic efficiency of around 99 % over 450 cycles. There has been tremendous progress in the evolution of LIB [96] over the last few decades. Lithium‐sulfur (Li−S) batteries [97] have been receiving a great amount of attention in recent times due to its superior characteristics such as the high theoretical specific energy (2500 W h kg −1 ) which is almost 10 times higher than that of commercially available LIB.…”

Section: Applications In Esdmentioning

confidence: 99%

Recent Advancements on Biopolymer‐ Based Flexible Electrolytes for Next‐Gen Supercaps and Batteries: A Brief Sketch

Raghavan

Ghosh

2021

ChemistrySelect

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With a huge upsurge in the energy requirements all over the world, development of energy storage devices with high safety standards without compromising the ecological aspects has become the need of the hour, that propelled the scientific community to search for alternative yet promising sources of energy that would prevent the exhaustion of natural resources. Numerous attempts have been undertaken to utilize the renewable biopolymers in the evolution of solid‐ state electrolytes, as a substitute for liquid electrolytes which are prone to cause leakage leading to hazardous accidents. Despite strenuous efforts, it is still challenging to strike a right balance between the biopolymer elements and the conducting additives. In this review, we aim to lay out a recap on the progress achieved in recent times by employing biopolymers as electrolyte components and its future prospects, that would assist the researchers across the globe to inch one step closer in their quest to find the best electrolyte system for flexible electronics.

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Polymers in Lithium‐Ion and Lithium Metal Batteries

Cited by 175 publications

References 293 publications

Organosilicon‐Based Functional Electrolytes for High‐Performance Lithium Batteries

Organosilicon‐Based Functional Electrolytes for High‐Performance Lithium Batteries

Molecular Engineering Approaches to Fabricate Artificial Solid‐Electrolyte Interphases on Anodes for Li‐Ion Batteries: A Critical Review

Recent Advancements on Biopolymer‐ Based Flexible Electrolytes for Next‐Gen Supercaps and Batteries: A Brief Sketch

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