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Edible battery

19.12.2023

A group of Italian scientists representing the University of Milan have unveiled an amazing technological achievement - the first ever edible battery. Experts have already recognized this project as one of the best inventions of the current year.

This unique invention reflects not only innovative technological capabilities, but also the importance of caring for the environment. The edible battery opens up new perspectives in the field of medical technology and biosensing, while calling for respect for nature and attention to energy efficiency.

The edible battery uses beeswax in its body and includes unusual ingredients such as 24-karat gold, similar to what is used in cake jewelry, and the food additive ethyl cellulose. Active materials include riboflavin, known as vitamin B2, and quercetin, which is commonly sold as a dietary supplement and is found in capers.

The composition also includes activated carbon, widely used to give bread a black color or in medical preparations to absorb gases in the intestines. The battery separator is made from nori seaweed, used in making sushi. Scientists say the battery voltage is between 0,6 and 0,7 volts. It can be swallowed in working condition without causing any adverse reactions.

It is planned that the edible battery could be used in medical devices intended for internal use, biosensors, mini-cameras or robots designed to analyze the digestive system.

Scientists note that this device is so far only a prototype developed in the laboratory, and its appearance on the market is not yet being considered. Currently, active work is underway to improve the design, increase energy capacity, reduce cost (including the use of recycled materials), and develop mass production technology.

An important aspect of the need for an edible battery is compliance with the principles of environmental cleanliness.

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