2008년부터 smart phone과 같은 휴대기기의 무선충전을 목표로 지속적인 발전을 거듭해온 무선충전 기술은 2015년 마침내 smart phone에 기본으로 장착되기에 이르렀으며, 특히 최근 스마트워치 등의 웨어러블 기기의 등장으로 기술발전과 다양화가 한층 더 가속화되고 있다. 최근 무선충전 기술은 기존의 2차원 패드 구조에서 벗어나 더욱 높은 자유도와 안전성을 부여하기 위한 노력을 하고 있고, 유선충전에서 적용되고 있는 고속 충전 기술을 무선충전에 적용하기 위한 기술개발을 병행하고 있다. 본고에서는 이러한 무선충전기술의 발전 동향과 표준화 동향을 소개하고, 향후 무선충전기술의 발전 방향에 대해 논하고자 한다.
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