鋰離子電池因具高能量及高功率密度特性，適合使用於諸如攜帶式電子產品、再生能源系統及電動車等應用。由於充電方法會影響鋰離子電池之性能及循環壽命，因此發展高品質之充電策略是必要的，而高效能的充電策略需要具備充電效率高、電池溫升低、充電時間短且能延長電池的使用壽命等優點。
本文提出五種充電方法進行實現及研究，五種充電方法包含三種不同截止端電壓值之定電流定電壓充電法、定損失定電壓充電法及定功率定電壓充電法。本文會實現並比較前面提到之五種充電方法的性能，例如：充電效率、電池溫升、充電時間及循環壽命次數，提供實驗數據讓使用者能更有效率地選擇充電方法。

Lithium-ion (Li-ion) batteries have an unmatched combination of high energy and power density which make it the technology of choice for portable electronics, renewable energy systems, and electric vehicles. For Li-ion batteries, the charging method has a strong effect on the performance and its cycle life. Hence, it is essential to develop a high-quality charging strategy with high charging efficiency, low temperature-rise, short charging time, and long cycle life.
In this thesis, five simple charging algorithms for Li-ion batteries will be realized and investigated. These five charging strategies include three constant current-constant voltage (CC-CV) methods with different maximum charging voltage, constant loss-constant voltage (CL-CV) method, and constant power-constant voltage (CP-CV) method. In this study, the aforementioned five charging techniques will be implemented and performance indexes such as charging efficiency, temperature rise, charging time, and cycle-life number will be recorded and compared. This study hopes to serve as a reference for users to effectively choose between different Li-ion charging schemes by applications and requirements.

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