Technology

A group of scientists is using the shells of crabs and lobsters to make sustainable and long-lasting batteries

A group of researchers from the Materials Innovation Center at the University of Maryland found that the shells of crabs and lobsters useful for making batteries,

Exoskeletons are made up of chitin, that is, an abundant polymer present in the cell wall of fungi, yeast and invertebrate shells. Through this, scientists can obtain chitosan to form an aqueous solution of acetic acid.

The combination of chitin and chitosan can be synthesized in a gel membrane that can be used as an electrolyte, thus, Zinc is mixed with,



The first prototypes show that they have a remarkable stability, including a Energy efficiency maintained at 99.7% After a thousand charge cycles. Researchers estimate that two-thirds of the battery they are biodegradableIn fact, when they are discarded, the electrolyte breaks down due to microbial degradation.

The scientists explain that “polypropylene and polycarbonate separators, which are widely used in lithium-ion batteries, take hundreds or thousands of years to reduce and increase the environmental burden.”


It is better not to let the mobile battery fully discharge or charge to extend the life of the device.

In the future, researchers will work to make batteries 100% biodegradable and even their Manufacturing process more environmentally friendly,

Thanks to this breakthrough, new electrolyte could power zinc-ion batteries Eliminate the problem of corrosion effectSimilarly, chitosan is an inexpensive and easy-to-acquire material.

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