Abstract
AbstractThe main purpose of these studies is to compare the diffusion coefficient and ionic conductivity of carbon-based anode materials (graphene and corn starch carbon, graphene nanoplatelets) at different temperatures. The tests were carried out using electrochemical impedance spectroscopy (EIS) in a temperature chamber, which allows the assessment of important parameters during the cell’s operation and optimization, as well as the thermodynamic and kinetic response of the system to various conditions, which are important parameters taking into account the cell’s safety. An interesting method was proposed to determine thermodynamic and kinetic parameters for the development of two models of lithium ion diffusion during half-cell charging. It has been shown that the lithiation process is thermodynamically endothermic and forced. Various carbon materials were used, including corn starch-based carbon as an anode material that equates to the slogans of biodegradability, lower cost and ecology.
Graphical Abstract
Publisher
Springer Science and Business Media LLC
Subject
Waste Management and Disposal,Renewable Energy, Sustainability and the Environment,Environmental Engineering
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