E3S Web Conf.
Volume 245, 20212021 5th International Conference on Advances in Energy, Environment and Chemical Science (AEECS 2021)
|Number of page(s)||4|
|Section||Energy Development and Utilization and Energy-Saving Technology Application|
|Published online||24 March 2021|
Fluorination of Carbon Molecular Sieve as Cathode Material for Lithium Primary Batteries and its Characteristics
Northwest Institute of Nuclear Technology, P.O. Box 69–14, Xi’an 710024, P.R. China
* Corresponding author: firstname.lastname@example.org
Fluorinated carbon (CFx) is a new material with good lubricity and resistance to high temperature and corrosion. Meanwhile, CFx has excellent electrochemical properties when used as the cathode of the lithium primary batteries. Here, a series of carbon molecular sieve (CMS) is fluorinated via gas-phase fluorination. The CMS treated at 1550 °C has better electrochemical properties after fluorination. The fluorinated products named CMSF deliver specific capacity reaching 796 mAh g-1, associated with discharge potentials exceeding 3.1 V (vs. Li/Li+). The discharge voltage of CMSF is about 0.4 V ~ 0.6 V higher than that of fluorinated graphite (GF), and its energy density is about 8% ~ 13% higher than that of GF. The CMSF with the better electrochemical performances than GF as well as its low cost and scalable product demonstrated its great potential practicability in the field of lithium primary batteries.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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