A flexible all-solid-state Li-ion battery manufacturable in ambient atmosphere

ACS Applied Materials & Interfaces
Shicheng YuRüdiger-A Eichel

Abstract

Rational design and exploration of safe, robust and inexpensive energy storage systems with high flexibility are greatly desired for integrated wearable electronic devices. Herein, a flexible all-solid-state battery possesses competitive electrochemical performance and mechanical stability has been realized by easy manufacture processes using carbon nanotube enhanced phosphate electrodes of LiTi2(PO4)3 and Li3V2(PO4)3 and a highly conductive solid polymer electrolyte made of polyphosphazene/PVDF-HFP/LiBOB. The components were chosen based on their low toxicity, systematic manufacturability and (electro-)chemical matching in order to ensure ambient atmosphere battery assembly and to reach high flexibility, good safety, effective interfacial contacts, and high chemical and mechanical stability for the battery while operation. The high energy density of the electrodes was enabled by a novel design of the self-standing anode and cathode in a way that a large amount of active particles are embedded in the CNT bunches and on the surface of CNT fabric, without binder additive, additional carbon or large metallic current collector. The electrodes showed outstanding performance individually in half-cells with liquid and polymer electrol...Continue Reading

References

Feb 6, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Kazunori Takada
Jan 23, 2014·ACS Nano·Lamuel DavidGurpreet Singh
May 1, 2015·Advanced Materials·Fudong HanChunsheng Wang
Jan 16, 2014·The Journal of Physical Chemistry Letters·Dhamodaran SanthanagopalanYing Shirley Meng
Dec 4, 2015·ACS Applied Materials & Interfaces·Dan SunGuozhong Cao
Jun 13, 2018·ACS Applied Materials & Interfaces·Shicheng YuRüdiger-A Eichel
Jun 27, 2018·Proceedings of the National Academy of Sciences of the United States of America·Xiao-Guang YangChao-Yang Wang
Dec 7, 2018·ACS Nano·Minjie YaoJun Chen

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