forAtteries is Get smaller, lighter and more powerful all the time. This is good news for manufacturers and buyers of products ranging from electric cars to mobile phones and fitness tracking. But for some applications, the traditional shape and structure of the battery, with a rigid shape and metal components, is simply very used. Some personal electronics, for example, such as skin stains that monitor health conditions or brain computers that decipher nervous signals to control electronic artificial devices, require more intimacy.
