Amorphous carbon anode with controllable pores for rechargeable lithium-ion battery

doi:10.12028/j.issn.2095-4239.2018.0132

Abstract

Abstract: In order to satisfy the requirement of distributed energy storage system for high power applications, developing new power anode with high capacity for lithium-ion batteries is necessary. In this paper, a novel anode with controllable pores for rechargeable lithium-ion battery was developed. The structures of the materials were characterized by X-ray diffraction (XRD), Raman, N₂ adsorption-desorption and scanning electron microscopy (SEM) methods. The capacity, coulombic efficiency and rate capability were investigated. It has been found that the pores can be controlled by changing the space velocity during carbonization. When the space velocity ≥ 0.5 m·min^-1, the amorphous carbon anode achieved a 0.2C capacity of~260 mA·h/g and 2C rate of~137 mA·h/g.

Key words: amorphous carbon, space velocity, pore, amorphous degree, capacity, rate

CLC Number:

TK02

PAN Guanghong, LIANG Wenbin, TANG Kun, KANG Libin, LEMMON PATRICK JOHN. Amorphous carbon anode with controllable pores for rechargeable lithium-ion battery[J]. Energy Storage Science and Technology, 2019, 8(2): 292-296.

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