The thermodynamically unstable binary graphite intercalation compounds gics with na remain a main drawback preventing the implementation of naion batteries in the market. Kazuaki toyoura 1, yukinori koyama 1, akihide kuwabara 2. Graphite intercalation compounds gics are complex materials having a formula cxm where. Pdf formation of gic graphite intercalation compound is an important field of study currently, as it offers a method of producing graphene by. Because graphite is a bulk material and actually composed of millions of single atom thick sheets of carbon, it opens up new and interesting ways of modifying its material properties.
Experimental details, ex situ pxrd patterns, and gcms studies pdf. Diffusivity of lithium in a graphite intercalation. We report the first graphite intercalation compounds gics containing crown ethers. Overview on the intercalation of gold into graphite halcea. Graphite intercalation compounds gics are a unique class of lamellar.
Pdf synthesis of intercalation compound of graphite and its. Preparation of graphite intercalation compounds containing crown ethers. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. This paper aims at synthesis of gic using perchlorate acid hclo4 and analyse the effect of intercalation on graphite powder. Intercalation compounds of graphite are of interest, both scienfically and technologically because of unusual properties that derive mainly from high degree of crystal anisotropy. Supplementary movie 2 is a more complete description of this experiment. Pdf thermoelectric properties and electrical transport. Gic and a new ternary system based on dimethylacetamide dmac.
Nomenclature and terminology of graphite intercalation compounds pdf. Unlike pure graphite, which is a compensated semimetal with. The research on graphite intercalation compounds often acts as a forerunner for research in other sciences. They are interstitial compounds in which the foreign species the intercalate is included in the interplanar sites of the graphite crystal. For instance, the concept of staging, which is fundamental to graphite intercalation compoun skip to main content skip to table of. In order to shed some light on the origin of nagics instability, we investigate the structure and the energetics of different alkali m. Preparation, characterization, and structure trends for graphite.
The electromagnetic absorption of a naethylenediamine. Subjects architecture and design arts asian and pacific studies business and economics chemistry classical and ancient near eastern studies computer sciences cultural. Intercalation compounds of graphite are of interest, both scienfically and technologically because of unusual properties that derive mainly from high degree of. Formation of gic graphite intercalation compound is an important field of study currently, as it offers a method of producing graphene by exfoliation. Graphite intercalation compounds gics are one type of layered compound where the intercalated species generally undergo rapid motion at room temperatre. Using intercalation to simulate irradiation damage of nuclear graphite lewis luyken 2012 a thesis submitted to the university of manchester for the. Files available from the acs website may be downloaded for personal use only.
These motions have been shown to be strongly anisotropic due to the constrained environment imposed by the host graphite layers both in powder. New graphite intercalation compounds gics containing n,nnalkyl. Intercalation compounds an overview sciencedirect topics. The synthesis of potassium gold graphite intercalation compounds has been performed. Thermoelectric properties and electrical transport of graphite intercalation compounds. Progression of fermi surfaces from pure graphite to stage1 intercalation. Preparation of graphite intercalation compounds containing crown. Graphite intercalation compounds wikimedia commons. Pdf synthesis of intercalation compound of graphite and. Graphite intercalation compounds gics are often used to produce exfoliated or functionalised graphene related materials grms in a specific solvent. A sodiumethylenediamine graphite intercalation compound na ethylenediamine c15. Intercalation compounds of graphite dresselhaus 2002. Orientation and motion of tetrahydrofuran in graphite. Preparation of graphite intercalation compounds containing.
Graphite intercalation compounds gic sciencedirect. Graphite intercalation compounds gics for the first time are used as the anode material for lithium. The lamellar compounds of graphite which result from intercalation have been given the name of graphite intercalation compounds gic. Diffusivity of lithium in a graphite intercalation compound by combination of transition state theory and first principles calculations. Graphite intercalation compounds are a type of graphite compounds. Media in category graphite intercalation compounds the following 6 files are in this category, out of 6 total. Intercalation events visualized in single microcrystals of. They exhibit high reversible capacity with excellent cycle life. New insights into the origin of unstable sodium graphite. These gics are obtained either by reductive intercalation of an alkali metal. Electronic supporting information files are available without a.