Lithium Batteries with Nearly Maximum Metal Storage

ACS Nano
Abdul-Rahman O RajiJames M Tour

Abstract

The drive for significant advancement in battery capacity and energy density inspired a revisit to the use of Li metal anodes. We report the use of a seamless graphene-carbon nanotube (GCNT) electrode to reversibly store Li metal with complete dendrite formation suppression. The GCNT-Li capacity of 3351 mAh g-1GCNT-Li approaches that of bare Li metal (3861 mAh g-1Li), indicating the low contributing mass of GCNT, while yielding a practical areal capacity up to 4 mAh cm-2 and cycle stability. A full battery based on GCNT-Li/sulfurized carbon (SC) is demonstrated with high energy density (752 Wh kg-1 total electrodes, where total electrodes = GCNT-Li + SC + binder), high areal capacity (2 mAh cm-2), and cyclability (80% retention at >500 cycles) and is free of Li polysulfides and dendrites that would cause severe capacity fade.

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Citations

Jul 29, 2017·Chemical Reviews·Xin-Bing ChengQiang Zhang
Jul 27, 2018·Small·Xuze GuanJiayan Luo
Aug 21, 2018·Advanced Materials·Song JinYan Yu
Oct 29, 2018·Advanced Materials·Rodrigo V SalvatierraJames M Tour
Feb 15, 2019·Advanced Materials·Tuo WangJames M Tour
Feb 7, 2020·Chemistry : a European Journal·Hong ShangZicheng Zuo
Nov 22, 2019·Frontiers in Chemistry·Yan LiuJian Qin
Dec 31, 2020·ACS Applied Materials & Interfaces·Chanhoon KimIl-Doo Kim
Jan 11, 2019·ACS Applied Materials & Interfaces·Xianshu WangWeishan Li
Nov 12, 2020·Chemical Reviews·Ji-Guang ZhangJun Liu
May 8, 2019·Journal of the American Chemical Society·Seung-Ho YuHéctor D Abruña
Sep 28, 2017·ACS Nano·Tuo WangJames M Tour

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