本論文使用不同的碳材，探討其物性及微結構對電池充放電與電容量之間的相互關係。實驗中以 XRD 和拉曼光譜分析來研究球鍊狀碳材的物理結構，以 SEM 觀察其形貌。此外，本實驗使用循環充放電測試及循環伏安法來探討電池之電化學特性，且以其結果佐證碳材料之不同物理參數對電化學特性之相互影響。實驗結果顯示，碳材的放電電容量明顯受其Lc及La 值諸參數的綜合影響而變化。
本文電性測試分兩大部份，第一部分即是各種不同形貌碳材應用於二次鋰離子電池陽極的研究，不同製備法即會產生不同形貌的碳材，具有不同程度的石墨化和電化學表現。進一步與以 MCMB 為陽極材料所製作的鋰離子二次電池比較，找出其他三種碳材的優缺點，藉以改進其電化學特性，提升鋰離子二次電池的效能。我們可以看出不管是電容值的大小、電池工作電壓穩定性和電池遲滯現象上，MCMB 都遠比其他碳材好。
第二部分即是製作出奈米尺寸的球鍊狀碳材於高功率密度鋰離子二次電池的應用，利用一種簡單且低溫的方式，利用 C5Cl6 和 C6Cl6 分別與分散於石蠟裡的鈉反應所產即可製備出高功率密度的鋰離子二次電池。我們縮小碳材的尺寸大小，明顯了縮短鋰離子擴散的距離，所以應用於高功率鋰離子電池，在高電流的充放電測試下，仍然會有不錯的電性表現，對於未來應用在汽車工業上，有進一步的發展。

In this study electrochemical characteristics of various carbon electrodes , used as the anode of the lithium ion batteries have been investigated. The relationship between the capacity of lithium ion batteries and the microstructure and properties of carbon anodes were carefully examined.
The X-ray diffraction and Raman spectra were used to examined the structures of carbon materials. Elemental analysis to determine the compositions after different heat treatments. Moreover, charge-discharge cyclic tests and cyclic voltammograms were employed to get the electrochemical properties of the batteries and correlated to the different parameters of carbon materials. Discharge capacity of carbons were found to be influenced by the values of Lc and La of materials.
This study divides into two major parts: first part is that the research of various morphology carbon materials used as anode of lithium ion battery. All four anode materials exhibit various degrees of graphitization and electrochemical performance. Compared with MCMB to find other three kind of carbon material the good and bad points, so as to improve its electrochemistry characteristic.
Another part is that high rate capability of carbon nanobeads as an anode material for lithium secondary batteries. In this communication we report a simple method to make the carbon nanobeads in low temperature. The carbon materials were made from C5Cl6 and C6Cl6 reaction with sodium dispersed in wax respectively . We decrease the active material particle size and shorten the distance of lithium ion diffusing obviously. With this kind of carbon material, we can get a high rate and good cycle performance of anode of lithium ion battery. There will be further development of the application in the automobile in the future.

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