According to a report by the British Broadcasting Corporation (BBC) on August 9, scientists at Iowa State University have developed a self-destructible battery that has the property of dissolving under the action of heat or liquid.
According to reports, Iowa State University mechanical engineering professor Montazami and his team developed a battery with 2.5 volts that can drive a desktop calculator for 15 minutes. Such batteries may be used to maintain military secrets and may also be used in environmental monitoring devices.
Professor Montazami said that this is the first practical battery to be obtained. However, this battery contains metallic lithium and cannot be used inside a person's body.
For many years, scientists have been hoping to obtain a battery that can be dissolved harmlessly inside the body to avoid the pain of removing the battery from the body.
Professor Montazami and his team have recently developed a lithium-ion battery, and they published the details of this work in the Journal of Polymer Science. Volume B: Polymer Physics.
They are made of a battery that is 5 mm long, 6 mm wide and 1 mm thick. It is similar to a conventional commercial battery from the point of view of component, structure and electrochemical reaction. This battery has an anode, a cathode, and an electrolyte separator, and the outer layer is a polymer based on polyvinyl alcohol. If the battery is put into water, the polymer shell will expand and the electrode will rupture, causing dissolution, which takes about half an hour. However, the nanoparticles in the battery will not dissolve, which means that the battery will not dissolve completely.
Scientists say it is entirely possible to make a more powerful battery, but it will take longer to decompose. Dissolvable batteries can also contribute to solving the problem of electronic product waste disposal.
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