Obnews Tech Desk: Scientists from Sweden have produced a unique and extremely flexible battery, which has a toothpaste. This battery is so flexible that it can be molded in any size, which can revolutionize future technology – such as wearable devices, medical equipment and robotics.
So far, rubber -like materials or sliding joints have been used to make flexible battery, but for more energy capacity, putting heavy active materials in them, they would harden and eliminate flexibility.
Scientists of Linkoping University have found a solution to this problem. They have made this new battery with conductive plastic and lignin. Lignin is a durable substance that survives during paper construction. Scientists said, “This battery is like a toothpaste and it can be molded into any size with the help of a 3D printer. Its capacity is not affected by its flexibility.”
The special thing about this battery is that it has used materials which are not only cheap, but also environmentally friendly. Rare metals have not been used in it, which usually harm the environment. This battery remains working even after charging and discharged more than 500 times. It also works with full capacity even when it is doubled from its length.
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Currently, this battery can store only 1 volt power, which is much lower than a car battery. But scientists believe that if metals like zinc or manganese are added to it, it can be made more powerful.
