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Lithium ion batteries power everything these days from smartphones to electric cars.
今时今日从智能手机到电动汽车的所有电子产品都要仰仗锂电池提供电能。
They've been a great advance in portable power storage.
在便携式电能存储方面这枚小电池无疑是巨大的飞跃。
On the downside, their spread also makes a big contribution to electronic waste dumps often found in developing countries.
另一方面，锂电池的传播速度也使得发展中国家的电子垃圾增多。
But IBM scientists in India may have come up with a way to decrease the numbers of discarded batteries while also bringing electricity to underserved parts of the world.
但印度IBM的科学家们想出了一种解决办法，既能减少废弃电池数量，也能为一些发展服务水平较低的地区提供电力。
They developed an experimental power supply, called the UrJar, consisting of reusable lithium ion cells salvaged from three-year-old laptop battery packs.
他们开发了一种名为UrJar的实验性质的电源，它是由用时3年的笔记本电脑回收的可重复使用锂离子电池组成。
For a study of the technology, the researchers enlisted street vendors who had no access to grid electricity.
在一项技术研究中研究者们召集了一些没有使用电网电力的摊贩。
Most users reported good results.
大多数使用者称使用效果良好。
Several of them used the UrJar to keep an LED light going for up to six hours daily.
其中一些人凭借UrJar使得LED灯每天照明6小时。
For one participant, the power supply meant keeping the business open two hours later than usual.
而使用这种电源的一位参与者将自己的营业时间延长2小时。
IBM presented its findings the first week of December at the Symposium on Computing for Development in San Jose, California.
IBM于12月的第一周在加利福尼亚圣何塞计算机发展研讨会上发表了这一研究结果。
The UrJar isn't ready for the market quite yet.
当然UrJar还没准备好投放市场。
But it shows that one person's trash could literally light up someone's life halfway around the world.
但它表明一个人的垃圾可能点亮半个地球以外另一人的生活。
译文为可可英语翻译，未经授权请勿转载！
