Journal
CARBON TRENDS
Volume 8, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cartre.2022.100178
Keywords
Prolate; Lithium-ion batteries; Carbon anodes; Capacitance contributions; Tailored carbon architecture
Categories
Funding
- CONACYT-SENER [274314]
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The performance of lithium-ion batteries can be improved by controlling the structure, texture, defects, dopants, and architecture of carbon-based anodes. This study investigated a novel prolate carbon shape with dual short-ordered graphite-like and turbostratic arrangements as an anode material, which demonstrated promising reversible capacity and stable performance. Physico-chemical and electrochemical studies were conducted to understand the lithium-ion storage mechanism of the novel architecture.
Lithium-ion battery (LIB) performance can be tailored by controlling the structure, texture, defects, dopants, and architecture of carbon-based anodes. In this publication, a novel prolate carbon-shape with dual short-ordered graphite-like and turbostratic arrangements was studied for the first time in LIB anodes which delivered a promising reversible capacity of 271 mAh g(-1) at 100 mA g(-1) after 100 cycles. The novel prolate carbon was synthesized by dry autoclaving avocado oil, utilizing autogenic pressure to ensure a homogeneous sample. The novel prolate carbon demonstrated stable, promising performance by leveraging graphite-like layers towards the surface and a highly amorphous bulk. Physico-chemical and extensive electrochemical studies were conducted to elucidate the Li-ion storage mechanism of the novel architecture: the anode was found to rely on 70% of its lithium to be stored via capacitance, and its apparent lithium-ion diffusion coefficients were estimated in the range between 10(-9) and 10(-12) cm(2) s(-1). (c) 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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