Wireless Power Transfer For Cell Phone Charging Application

Soo, Eng Kuan (2012) Wireless Power Transfer For Cell Phone Charging Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, hand phones are essential in our daily life and play as one of the most important communication devices. Hand phone chargers that available in the market are usually connected with USB cables or adapter and normally are not universal which in another word, different brand of hand phone will need its specific kind of charger. Wireless power transfer has been studied over years since Nikola Tesla demonstrated wireless illumination of phosphorescent lamp in 1893AD.Since then, magnetic induction has been studied and hence produced wireless chargers for devices these days. Nonetheless, the efficiency of the transmission has always been an issue for wireless applications and what was available in the market is also non-universal. Thus, the aim of this research will be focused on applying a wireless charger for cell phones. Prior laboratory testing, several simulation were conducted. Through simulations and designed laboratory testing, data is collected and analysed. Construction of a prototype and the complete schematic of the prototype are presented in this thesis. The performance of the charging device is analysed. Although the charging of hand phone is not able to be demonstrated, the transfer of power wirelessly was exhibited. Future works will focus on the study on coils in attempt to improve the capability of wireless power transfer.

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