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Related Concept Videos

Ion Exchange01:17

Ion Exchange

547
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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Anionic Chain-Growth Polymerization: Overview01:20

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The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
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Related Experiment Video

Updated: Jun 5, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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In situ polymerized ether-based polymer electrolytes towards practical lithium metal batteries.

Sisi Peng1, Jialong Fu1, Lu Wei1

  • 1School of Materials Science and Engineering, State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, P.R. China. xguo@hust.edu.cn.

Chemical Communications (Cambridge, England)
|December 11, 2024
PubMed
Summary

Ether-based solid polymer electrolytes offer a safer alternative to liquid electrolytes in lithium-ion batteries. Their in situ polymerization enhances stability and reduces interfacial impedance for improved battery performance and safety.

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Polymer Chemistry

Background:

  • Commercial lithium-ion batteries utilize flammable liquid electrolytes, posing significant safety risks like fires.
  • Solid polymer electrolytes (SPEs) offer a safer alternative, with ether-based polymers showing excellent stability and lithium metal compatibility.

Purpose of the Study:

  • To review the mechanisms of in situ ring-opening polymerization for cyclic ether monomers.
  • To analyze ionic conduction in ether-based polymer electrolytes.
  • To explore in situ curing mechanisms and assess advancements in cyclic ether monomer polymerization for battery applications.

Main Methods:

  • Review of ring-opening polymerization mechanisms for cyclic ether monomers.
  • Analysis of ionic conduction properties of ether-based polymer electrolytes.
  • Exploration of in situ curing mechanisms for representative cyclic ether monomers.

Main Results:

  • In situ ring-opening polymerization simplifies manufacturing and improves solid/solid interfacial contacts.
  • Reduced interfacial impedance is achieved through enhanced electrolyte-electrode contact.
  • Ether-based polymer electrolytes demonstrate superior stability and compatibility with lithium metal.

Conclusions:

  • Ether-based polymer electrolytes are a promising solution for safer lithium-ion batteries.
  • In situ polymerization techniques enhance battery performance by optimizing interfacial properties.
  • Further research into sustainability initiatives for these advanced electrolytes is warranted.