TAG: Supercapacitors

Unusual Places To Look For Battery Power

Unusual Places To Look For Battery Power

Extending electronic life and juicing up gadgets, batteries and power storage are vital to everyday life. There are innovative designs that make batteries more efficient, but those are probably much different than the following scientific discoveries. The world of technology has a covert side that one research team has found out. As discussed in New Scientist, behind our plugged-in gear lives a whole spectrum of life that can actually be used for power. By gathering sea sediment and placing battery electrodes into it, researchers found that along with bacteria living cells will begin to appear. When combined with filaments, which… read more

Hemp Could Yield Cheap Nanomaterials for Supercapacitors

hempfibers

Next generation energy storage may come from supercapacitors, devices that can not only store large amounts of energy, but can also both receive and deliver a charge quickly. One of the ‘wonder’ materials used for developing them is graphene, which can be difficult and expensive to make, but one group of researchers may have found a replacement that can be made from agricultural waste, specifically fibers from the hemp plant. Research at the University of Alberta into using plant waste materials as feedstock for commercial products has turned out a “graphene-like” nanomaterial that can function as electrodes in supercapacitors. The… read more

New Technique Uses DVD Burner to Make Graphene Supercapacitors

Micro-supercapacitor

The next generation of supercapacitors could completely revolutionize energy storage devices, and a team at UCLA has developed a method for producing them with graphene, using a standard DVD burner. Supercapacitors exhibit the best characteristics of both batteries (high energy storage capacity) and capacitors (rapid charging and releasing of energy), and graphene, while considered a “wonder material” for those applications, has been a difficult one to work with. Graphene, essentially a pure carbon polymer, has a very high surface area (1500 square meters per gram), is an incredibly conductive superconductor, and is both flexible and durable. But previous to this… read more

Eggshell Storage

Eggshells for energy

Mitlin, a professor of chemical and materials engineering at the University of Alberta, Canada is working on a way to turn waste eggshell membranes and egg whites into materials for high-performance supercapacitors. Supercapacitors are devices which offer many “need-of-the-hour” features like high power density, charging and discharging which are generally faster than regular rechargeable batteries. But unfortunately they store much less energy. Mitlin thinks the membranes inside eggshells could help crack this problem. “If you could keep the very nice power of a supercapcitor but extend the energy density even to be that of a mediocre lithium-ion battery, you’d really… read more