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  • University Develops Hemp-based Super Capacitors
  • 更新时间:2014-09-04;信息类型:国外研究进展
  • Super-capacitors can store and release electricity like a battery, but can be recharged in seconds instead of hours. At the moment, they are usually made from graphene, a man-made super material that is 100 times stronger than steel by weight, conducts electricity better than copper, and is more flexible than rubber. Unfortunately, graphene is very costly to produce. A team of researchers led by David Mitlin at Clarkson University in New York have found a way to produce super-capacitors from an inexpensive hemp fiber left over from textile and building material construction that could pave the way for a mainstream super-capacitor.
  • 链接地址:http://www.ionicliquid.org/research/2014-09-04/335.html
  • Investigating electrochemical reactions in ionic liquids
  • 更新时间:2014-06-03;信息类型:国际研究进展
  • Firstly, an ionic liquid is a liquid that consists only of ions. Ordinary electrolytic fluids, the electrolytes used in electrochemistry, are made by dissolving solid salts in solvents such as water. But ionic liquids don't use such solvents at all; they're liquids that consist only of ions. Even solids like sodium chloride become liquids at high temperatures, and those are called molten salts. In that case, though, they don't usually become liquids unless the temperature is several hundred degrees C. But ionic liquids are liquids even at room temperature. So, we're talking about salts like that.
  • 链接地址:http://www.ionicliquid.org/research/2014-06-17/319.html