“要是手机不用充电多好 !”现在看来这个愿望就快实现了。美国的一家公司已经把手机锂电池与一个小型太阳能利用系统结合在了一起 ,生产出一种新型的太阳能电池 ,使用这种电池的手机用户可以通过太阳能延长手机的通话时间。在晴朗的天气里 ,对这种电池每充上 1 5分钟的电就可 “If the phone does not charge much!” Now it seems that this desire will soon come true. A U.S. company has combined cell phone lithium batteries with a small solar energy utilization system to produce a new type of solar cell that allows cell phone users using the cell phone to extend the phone’s talk time with solar power. In fine weather, this battery can be recharged for 15 minutes