Scientists battery largely dissolves in half an hour in water

Aug

9

2016

Scientists at the Iowa State University have developed a battery on the basis of a polymer which is largely dissolves as it enters the water. The battery is part of research into what researchers call the “transient electronics.

The perishable lithium-ion battery is made up of eight layers, including the anode, the cathode and the separation of the electrolyte. This assembly is in turn wrapped in two layers of the polymer polyvinyl alcohol, which is soluble in water. The prototype is 1mm thick and measure 5 to 6 millimeters.

Large capacity is not:. It is a 2.5V battery to a calculator fifteen minutes can provide long power According to study leader Reza Montazami is the first transitory battery that operates stably in this way and all the components, structure and electrochemical reactions have commercially available batteries.

However, he notes that the part is not completely dissolve in water. Once immersed mount the housing of the polymer and the electrodes are degraded, but nano-particles remain intact and simply spread out in the liquid. The whole process would take about thirty minutes. According Montazami are to develop this way, batteries with higher capacity, but would take longer for that dissolve in water.

“In contrast to conventional electronics which is being developed to provide for longer periods of time to function, is the main characteristic of perishable electronics that it works for a short and predetermined time period and then rapidly and in the ideal case, completely destroys,” the researchers write. They publish their work in the Journal of Polymer Science Part B: Polymer Physics .

Deciduous electronics could be used by the military to keep secrets from the hands of the enemy, for sensors that can wash away in the rain and for medical applications.

Iowa State University soluble battery

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