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Related Experiment Video

Updated: Apr 2, 2026

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

A Foldable Lithium-Sulfur Battery.

Lu Li, Zi Ping Wu¹, Hao Sun²

¹Jiangxi Key Laboratory of Power Battery and Materials, School of Materials Science and Engineering, Jiangxi University of Science and Technology , 86 Hong Qi Road, Ganzhou 341000, P. R. China.

|September 29, 2015

Summary

This summary is machine-generated.

Researchers developed a foldable lithium-sulfur battery with the highest areal capacity for flexible electronics. This innovation utilizes carbon nanotube films for enhanced durability and energy density in next-generation devices.

Keywords:

carbon nanotubes foldable battery lithium−sulfur battery shape conformality

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Flexible and foldable electronics require advanced power sources.
Existing batteries lack the necessary deformability and energy density for next-generation devices.

Purpose of the Study:

To develop a high-performance, foldable lithium-sulfur (Li-S) rechargeable battery.
To achieve high areal capacity and mechanical stability in a foldable battery design.

Main Methods:

Utilized fully foldable and superelastic carbon nanotube (CNT) current-collector films.
Impregnated active materials (sulfur and lithium) into CNT current-collectors in a checkerboard pattern.
Tested battery performance under continuous folding and unfolding cycles.

Main Results:

Achieved the highest areal capacity (∼3 mAh cm(-2)) for foldable energy-storage devices.
Demonstrated mechanical stability with <12% capacity loss over 100 folding cycles.
CNT films served effectively as sulfur entrapment layers.

Conclusions:

The developed foldable Li-S battery offers superior energy density compared to traditional lithium-ion batteries.
This technology can power future flexible and foldable electronic devices, including consumer electronics and biomedical tools.