The Regulating Role of Carbon Nanotubes and Graphene in Lithium‐Ion and Lithium–Sulfur Batteries,Advanced Materials

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The Regulating Role of Carbon Nanotubes and Graphene in Lithium‐Ion and Lithium–Sulfur Batteries
Advanced Materials ( IF 27.4 ) Pub Date : 2018-07-08 , DOI: 10.1002/adma.201800863
Ruopian Fang _{1,

2} , Ke Chen _{1,

3} , Lichang Yin ₁ , Zhenhua Sun ₁ , Feng Li ₁ , Hui-Ming Cheng _{1,

4,

5}

Affiliation

The ever‐increasing demands for batteries with high energy densities to power the portable electronics with increased power consumption and to advance vehicle electrification and grid energy storage have propelled lithium battery technology to a position of tremendous importance. Carbon nanotubes (CNTs) and graphene, known with many appealing properties, are investigated intensely for improving the performance of lithium‐ion (Li‐ion) and lithium–sulfur (Li–S) batteries. However, a general and objective understanding of their actual role in Li‐ion and Li–S batteries is lacking. It is recognized that CNTs and graphene are not appropriate active lithium storage materials, but are more like a regulator: they do not electrochemically react with lithium ions and electrons, but serve to regulate the lithium storage behavior of a specific electroactive material and increase the range of applications of a lithium battery. First, metrics for the evaluation of lithium batteries are discussed, based on which the regulating role of CNTs and graphene in Li‐ion and Li–S batteries is comprehensively considered from fundamental electrochemical reactions to electrode structure and integral cell design. Finally, perspectives on how CNTs and graphene can further contribute to the development of lithium batteries are presented.

中文翻译：

碳纳米管和石墨烯在锂离子和锂硫电池中的调节作用

对高能量密度电池的日益增长的需求，以增加功耗来为便携式电子设备供电，以及提高车辆的电气化和电网储能，将锂电池技术推向了极为重要的位置。为了提高锂离子（Li-ion）和锂硫（Li–S）电池的性能，人们对碳纳米管（CNTs）和石墨烯进行了广泛研究。但是，缺乏对其在锂离子电池和锂硫电池中实际作用的一般性和客观性的了解。公认的是CNT和石墨烯不是合适的活性锂存储材料，而是更像调节剂：它们不会与锂离子和电子发生电化学反应，但可用来调节特定电活性材料的锂存储行为，并扩大锂电池的应用范围。首先，讨论了用于评估锂电池的指标，在此基础上，从基本的电化学反应到电极结构和整体电池设计，全面考虑了CNT和石墨烯在Li-ion和Li-S电池中的调节作用。最后，提出了关于碳纳米管和石墨烯如何进一步促进锂电池发展的观点。基于此，从基本的电化学反应到电极结构和整体电池设计，全面考虑了CNT和石墨烯在锂离子电池和锂硫电池中的调节作用。最后，提出了关于CNT和石墨烯如何进一步有助于锂电池发展的观点。基于此，从基本的电化学反应到电极结构和整体电池设计，综合考虑了CNT和石墨烯在锂离子电池和锂硫电池中的调节作用。最后，提出了关于CNT和石墨烯如何进一步有助于锂电池发展的观点。

更新日期：2018-07-08

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