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Related Experiment Video

Updated: Jul 13, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Zwitterionic Gel Electrolyte Stabilized Multivalent Tellurium Redox for High-Energy Lithium Batteries.

Ze Chen¹, Yiqiao Wang², Dedi Li²

¹Wu Jieh Yee School of Interdisciplinary Studies, Lingnan University, Hong Kong, China.

Angewandte Chemie (International Ed. in English)

|July 11, 2026

Summary

This study introduces a novel quasi-solid-state lithium-tellurium battery using a zwitterionic gel polymer electrolyte. This design enables stable multivalent tellurium redox for high-energy, practical lithium battery applications.

Keywords:

conversion‐type cathode gel polymer electrolytes lithium‐metal batteries multivalent conversion of tellurium tellurium batteries

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Last Updated: Jul 13, 2026

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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Multivalent chalcogen conversion chemistries are promising for high-energy lithium batteries.
Instability and limited accessibility of high-valence intermediates hinder development.

Purpose of the Study:

To develop a stable multivalent tellurium redox system for practical lithium batteries.
To enhance energy density and cycling stability in conversion-type lithium batteries.

Main Methods:

Fabrication of a quasi-solid-state lithium-tellurium battery with a LiCl-embedded Te cathode.
Development of a zwitterionic gel polymer electrolyte (GPE) for dual-ion transport and intermediate confinement.
Characterization of the Te/LiCl composite's redox cascade and GPE's performance.

Main Results:

A Te/LiCl composite activated a sequential Te redox cascade with three discharge plateaus.
The battery achieved a high specific capacity (938 mAh g⁻¹) and energy density (619 Wh kg⁻¹).
The zwitterionic GPE ensured robust Li metal compatibility and suppressed intermediate dissolution, leading to 87.6% capacity retention over 400 cycles.

Conclusions:

A zwitterion-stabilized, multivalent tellurium redox platform was established.
This approach bridges high energy density with practical cycling stability in lithium batteries.
The strategy is generalizable for advanced conversion-type lithium battery development.