<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><b><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">1.&nbsp;</span><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">휴대폰 배터리 재활용이 쉽지 않죠?</span></b><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">리튬이온 또는 리튬폴리머 전지 1셀로 구성된 휴대폰 배터리는&nbsp;</span><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">여러모로 쓸모가 많습니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">하지만, 막상 사용하려면 &nbsp;마땅한 충전장치를 구하기 어려워서 사용하기 힘든 경우가 많습니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">물론, 주위에 사용하지 않는 휴대폰용 충전지와 충전트레이를 쉽게 찾을수 있지만</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">크기, 연결단자등이 배터리와 맞지 않는 경우가 대부분이고,</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">납땜해서 배터리와 연결하는 것도 여간 번거로운게 아닙니다. &nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><span style="font-size: 11pt;">1$정도의 저렴한 가격으로 구입할 수 있는 TP4056</span><span style="font-size: 11pt;">&nbsp;충전모듈을 이용하면&nbsp;</span></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">이런 문제점을 쉽게 해결할 수 있습니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;"><b>2. TP4056충전모듈</b></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><span style="font-size: 11pt;">이 충전모듈에 사용가능한&nbsp;</span><span style="font-size: 11pt;">전원전압의 범위는 4.5V ~ 5.5V 입니다.&nbsp;</span></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">USB케이블을 이용하여 PC와 연결하여 사용하면 5V가 공급되므로 편리합니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">외부 전원을 사용할 경우는 전원전압이 이 범위를 넘지 않도록 주의해야 합니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">이 충전모듈은 최대 충전전류가 1A로 설정되어 있습니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">1,2K 짜리 칩저항을&nbsp;다른 것으로&nbsp;</span><span style="font-size: 11pt;">교체하면 최대 충전전류를 조절할 수 있습니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; text-align: center; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><img src="https://cafeptthumb-phinf.pstatic.net/20140820_106/inkni_1408478056906q7txj_JPEG/tp4056_md.jpg?type=w740" id="userImg1083970" name="cafeuserimg" style="border: none; width: 640px; height: 464px;" /><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;"><b>3. 충전실험 결과</b></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">오래동안 방치한 휴대폰용 충전배터리의 전압을 측정했더니&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 9pt;"><span style="font-size: 11pt;">전지 내부에 있는 보호 회로가 작동하여 0V가 측정됩니다.&nbsp;</span><span style="font-size: 11pt;">&nbsp;</span></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><img src="https://cafeptthumb-phinf.pstatic.net/20140820_167/inkni_1408534579468LJqkF_JPEG/litIMG_9452.jpg?type=w740" id="userImg878652" name="cafeuserimg" style="border: none; width: 600px; height: 487px;" /><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; text-align: center; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;">&nbsp;</p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;">&nbsp;</p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">이 배터리에는 정확한 규격 표시가 되어 있지 않지만&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">슬림형 배터리므로 공칭전압 3.7V &nbsp;전류용량은 800mAh 정도될 것으로 추측됩니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">아마, 표준형 배터리는 1Ah 전후일 겁니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 15px;">충전시,&nbsp;</span><span style="font-size: 11pt;">최대 충전전류는 전지용량의 1/2 정도가 적당합니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">충전전류가 너무 크면 배터리 수명이 짧아질 우려가 있고,</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">너무 작으면 충전시간이 길어지게 됩니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">따라서, 이 배터리는 최대 충전전류가 300 ~ 400mA가 적당하겠죠.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">TP4056&nbsp;모듈의 최대 충전전류는 1A로 설정되어 있기 때문에&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="font-size: 11pt;">이 최대 충전전류를 조절하지 않으면 배터리의</span><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">&nbsp;수명이 단축될 수 있겠지요.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><br /></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">최대충전전류를 조절하려면 칩저항을 제거하고, 알맞은 저항을 새로 납땜하면 됩니다.&nbsp;</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 1.6; background-color: transparent; font-size: 11pt;">만충전하면 충전완료 표시등이 켜집니다.&nbsp;</span><span style="line-height: 23px; font-size: 15px;">TP4056모듈의 충전완료전압은 4.2V 입니다.</span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 23px; font-size: 15px;"><br /></span></p>
<p style="list-style: none; padding: 0px; font-family: 굴림, gulim, tahoma, sans-serif; line-height: 19px; background-color: #ffffff; overflow-wrap: normal; color: #474747; word-break: normal;"><span style="line-height: 23px; font-size: 15px;">완전 방전된 전지를 충전하는데 약 4시간정도 걸리고, 완전충전 전압은 약 4.16V가 측정되는군요.</span></p>
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