Criteria of Host for the Formation of Graphite Intercalation Compounds

硫酸和氯化铁都是受体型插层，它们对主体碳材料的判据不同。在氯化铁的情况下，有机溶液中插层的主体判据也不同于通过水蒸气的插层，碱金属-醚络合物插层的决定因素是主体碳材料的结构，但它们的织构对插层反应也有显著的影响，无论是热解碳的焦炭。对于Na-THF络合物，在相对较低的温度下热处理的焦炭具有所谓的随机阶段结构，而从热解碳得到的是第一阶段结构。然而，对于Na-DME络合物，没有观察到这样的宿主效应，所有的宿主碳都给出了具有一级结构的化合物。这一结果表明，宿主效应不仅与Na离子有关，而且与乙醚分子的结合也是如此。在甲基四氢呋喃溶液中，根据所用主体碳材料的不同，可以得到碱金属-甲基四氢呋喃的三元化合物或碱金属的二元化合物。限于本文研究的室温溶液中的插层反应，插层反应受主体碳材料、插层物和溶剂等不同因素的影响。

Between sulfuric acid and iron chloride both of which are acceptor-type intercalates, the criteria of host carbon materials were found to be different. In the case of iron chloride, host criterion for the intercalation in organic solution was also diferent from that through vapor.The determining factor for the intercalation of alkali metal-ether complexes was found to be the structure of host carbon materials, but also their texture, either coke of pyrolytic carbon, has prominent effect for the intercalation reaction. For Na-THF complexes, the cokes heat-treated at relatively low temperatures gave so-called random stage structure, but from the pyrolytic carbons stage-1 structure was obtained. For Na-DME complexes, however, such as host effect was not observed and all host carbons gave the compounds with stage-1 structure. This result suggested that not only Na ions but also the combination with ether molecules causes the host effect. In MeTHF solution, either ternary compounds with alkali metal-MeTHF or binary compounds with alkali metal was obtained, depending on the host carbon materials used.Limiting to the intercalation reactions in the solutions at room temperature, which were studied in the present research, the intercalation reaction was shown to be governed by different factors, such as host carbon materials, intercalates and solvents.