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日训 DAY 6 阅读理解 & 完型填空 & 短文改错 第 1 页
DAY 6 阅读理解 & 完型填空 & 短文改错
日训——阅读理解篇章训练
长沙市一中、深圳实验学校 2021 联考
体裁:说明文 主题语境:说明介绍——新型储能砖块 难度:中 建议用时:7 分钟
Bricks are one of the oldest known building materials, dating back thousands of years. But researchers at Washington
University in St. Louis have found a new use for bricks: as energy
storage units. A team of engineers and chemists have found a way to transform an ordinary house brick into a pseudo-battery
— allowing it to conduct and store electricity. The bricks are powerful enough to light an LED light bulb and cost only about
$ 3 to make.
“I love the idea of adding value to things that are inexpensive, things that are affordable and things that we kind of take
for granted,” said Julio D’Arcy, an assistant professor of chemistry at Washington University and one of the researchers on
this project.
The brick battery relies on the reddish pigment(色素) known as iron oxide, or rust, which gives red bricks their color.
The scientists pumped the bricks with several gases that react with iron oxide to produce a network of plastic fibers. These
microscopic fibers coat the empty spaces inside the bricks — and conduct electricity.
“What we’re trying to do is to make specialized plastics that are only used on the nano-scale — where we use very little
of the plastic, and we can actually insert that plastic inside construction materials.” The study is in the journal Nature
Communications.
In the future, D’Arcy says, a brick wall could potentially serve a double purpose: providing structural support and
storing electricity generated from renewable energy sources, such as solar panels.
The technology is still at least a few years away from being ready for the commercial market. And right now the energy
storage capacity of the bricks is still pretty low — about 1 percent of a lithium battery. But the team is now testing ways to
improve the brick’s performance — because it looks like you can teach an old brick new tricks.