Materials design and its implementation for flexible Li-S batteries

doi:10.12028/j.issn.2095-4239.2018.0036

Abstract

Abstract: With the emergence and development of flexible mobile electronic, flexible lithium-sulfur (Li-S) batteries with higher energy density have received more and more attention. In this perspective, we summarize the key materials and current status of flexible Li-S batteries, and presents its future development. The key factors in the flexible Li-S battery lies in the conformal design of its materials. By integrating the positive sulfur electrode to a flexible substrate, such as carbon nanotube membrane, graphene film and polymer, an integrated flexible Li-S composite sulfur electrode can be obtained. In the design, these substrates act as flexible support. Compared with conformal Li-S cathode, the fabrication of flexible lithium metal anode possess greater challenge. By developing new host material for lithium metal or using lithium-free anode, flexible anode materials for Li-S batteries is expected. Although there are many problems to be solved, flexible Li-S batteries with improved electrochemical properties and mechanical properties are anticipated in the field of mobile electronics.

Key words: flexible batteries, Li-S batteries, mechanical properties, carbon nanomaterials

CLC Number:

TM912

WEN Lei, LIANG Ji, SHI Ying, CHEN Jing, SUN Zhenhua, WU Minjie, LI Feng. Materials design and its implementation for flexible Li-S batteries[J]. Energy Storage Science and Technology, 2018, 7(3): 465-470.

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