|
Science and technology 科学技术 Battery technology 电池技术 A pile of wood 一堆木头 An old material may find a new use in batteries 一种古老的原材料可能会在电池上发挥它的新用途。 ON A list of cutting-edge materials for high-tech applications, you might not expect to see wood near the top. 在一个应用于高科技的尖端材料目录上，看到木材会名列前茅，你可能不会想到。 But an experiment by Teng Li and Liangbing Hu of the University of Maryland may soon put it there. 但是，由马里兰大学的李腾和胡良冰所做的一个实验可能会产生这种意外情况。 For Dr Li and Dr Hu, writing in Nano Letters, have just described how wood might be used to make one class of batteries cheaper by permitting the lithium now employed in them to be replaced with sodium. 根据纳米快报的报道，李博士和胡博士已经详细说明了，在得到允许的情况下，用钠取代现在制造电池的锂。再用木材制造某一类电池可能会降低成本。 As any high-school chemist knows, lithium and sodium are chemically similar. 任何一个高中的化学家都知道，锂和钠的化学性质很相似。 | 
