Carbon Nanotube Current Collector for Anode-free Battery 


Vol. 23,  No. 8, pp. 2149-2155, Aug.  2022
10.1007/s12221-022-4953-y


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  Abstract

Lithium metal batteries (LMBs) have been gained attention for next-generation electrical energy storage because of their high energy density on both volumetric and gravimetric bases. However, in order to match the capacity ratio between Li metal and cathode, the thickness of Li metal must be 100 關m or less, but it is difficult to manufacture thin Li metal in a large area. Rather than changing the thickness of lithium, the anode-free battery, which has the advantage of achieving high energy density, is an alternative for LMB. Also, unlike LMBs, self-discharging does not occur in the anode-free battery after the battery is assembled. In addition, LMBs have low cycle stability due to moss-like deposition and dendrite growth during charge and discharge. In this work, carbon nanotube (CNT) film was used as a current collector for an anode-free battery, and the electrochemical properties were analyzed. The surface morphology of Li metal plated on the CNT film was smooth and not mossy-like because Li nucleation and Li growth occurred uniformly due to the low Li nucleation activation energy and the large specific surface area of CNT film, which made the Li+ flux occurs evenly. These results demonstrate the high potential of the CNT film as a current collector for an anode-free battery.

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  Cite this article

[IEEE Style]

D. I. a. Y. Jeong, "Carbon Nanotube Current Collector for Anode-free Battery," Fibers and Polymers, vol. 23, no. 8, pp. 2149-2155, 2022. DOI: 10.1007/s12221-022-4953-y.

[ACM Style]

Da-som Im and Youngjin Jeong. 2022. Carbon Nanotube Current Collector for Anode-free Battery. Fibers and Polymers, 23, 8, (2022), 2149-2155. DOI: 10.1007/s12221-022-4953-y.

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