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Related Concept Videos

Cationic Chain-Growth Polymerization: Mechanism00:57

Cationic Chain-Growth Polymerization: Mechanism

The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the generated carbocation,...
Anionic Chain-Growth Polymerization: Overview01:20

Anionic Chain-Growth Polymerization: Overview

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,...
Anionic Chain-Growth Polymerization: Mechanism01:04

Anionic Chain-Growth Polymerization: Mechanism

The mechanism for anionic chain-growth polymerization involves initiation, propagation, and termination steps. In the initiation step, a nucleophilic anion, such as butyl lithium, initiates the polymerization process by attacking the π bond of the vinylic monomer. As a result, a carbanion, stabilized by the electron‐withdrawing group, is generated. The resulting carbanion acts as a Michael donor in the propagation step and attacks the second vinylic monomer, which acts as a Michael acceptor.

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Related Experiment Video

Updated: Jul 15, 2026

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
14:37

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells

Published on: November 5, 2014

Fast-Charging and Durable Organic Cathodes Enabled by Two-Dimensional Supramolecular Polymerization.

Li Liu1,2, Xianming Deng3, Qingxuan Chen1,4

  • 1Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.

Angewandte Chemie (International Ed. in English)
|July 13, 2026
PubMed
Summary

Researchers developed robust organic battery electrodes using supramolecular engineering. These novel materials enable rapid and stable lithium-ion storage, overcoming limitations of traditional organic batteries for fast-charging applications.

Keywords:
2D supramolecular polymerizationfast chargingorganic batteriestriptycene tribenzoquinone

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Last Updated: Jul 15, 2026

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Morphology Control for Fully Printable Organic&#8211;Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
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Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

Area of Science:

  • Materials Science
  • Electrochemistry
  • Organic Chemistry

Background:

  • Growing demand for fast-charging, durable batteries fuels research into advanced organic electrode materials.
  • Conventional small-molecule organic electrodes face challenges like slow ion diffusion and electrolyte dissolution, hindering practical use.

Purpose of the Study:

  • To engineer novel organic electrode materials with enhanced performance for lithium-ion batteries.
  • To address limitations of small-molecule organic electrodes through supramolecular polymerization.

Main Methods:

  • Sulfur-heterocyclic extension of redox-active triptycene tribenzoquinone monomers.
  • Two-dimensional supramolecular polymerization to create porous multilayer nanosheets.
  • Electrochemical testing to evaluate lithium storage capacity, rate capability, and cycling stability.

Main Results:

  • Achieved architecturally robust porous multilayer nanosheets via supramolecular polymerization.
  • Demonstrated rapid and stable lithium storage through cross-flow ion transport dominated by pseudocapacitance.
  • Attained a power-dense organic cathode (42 kW kg⁻¹) with 79% capacity retention over 5,000 cycles at 18 A g⁻¹.
  • Exhibited stable performance even under cryogenic conditions.

Conclusions:

  • Supramolecular engineering of triptycene tribenzoquinone derivatives yields high-performance organic electrodes.
  • The developed material offers a promising solution for fast-charging and durable energy storage.
  • Demonstrated practical viability in a Li-organic pouch cell meeting key performance metrics for fast-charging batteries.