Flexible wearable electrode and preparation method therefor

Abstract

The invention discloses a flexible wearable electrode and a preparation method therefor. The preparation method comprises the steps of taking carbon cloth, or oxidized carbon cloth processed by a chemical method, or carbon cloth loaded with metal oxide as a current collector; and filling the gap of the current collector with graphene, or graphene oxide or graphene loaded with the metal oxide through a binder so as to improve the energy density of the flexible wearable electrode. The carbon cloth and graphene both have high flexibility and can be used as the material of a flexible wearable energy storage apparatus; however, the specific surface area of the carbon cloth is relatively small; the resistance of the laminated layers of the laminated graphene is relatively high; when the carbon cloth and graphene are combined together, relatively high energy density can be obtained; and meanwhile, the prepared electrode can obtain relatively low internal resistance, and a thermal effect in a rapid charging-discharging process can be reduced as well.

Description

technical field [0001] The invention relates to the field of electrodes, and more specifically, to a flexible and wearable electrode and a preparation method thereof. Background technique [0002] In the life of modern people, electronic products can bring great convenience to people's life, whether it is traveling or living at home, from smart phones to iwatches to the current emerging concept products - flexible mobile phones, electronic products It has become one of the essential elements in people's life. In addition to a higher degree of intelligent integration, the development of electronic products must also meet people's needs for portability. Therefore, in addition to meeting the characteristics of small, light, and thin, electronic products must also be bendable or foldable. That is, a new industry field that has emerged: flexible smart wearable devices. Every part of a flexible smart wearable device must have a bendable function. Naturally, the power supply that...

AI Technical Summary

Problems solved by technology

In the current production process, the material electrode is loaded on the polymer fluid in the form of coating. Therefore, if the traditional process technology is used to make a flexible battery, the positive electrode material loaded on the metal film will be damaged due to repeated extrusion. It will be detached from the metal film due to pressure, which will affect the capacity and service life of the battery at the slightest, and cause the internal short circuit of the battery, which will cause combustion or even explosion.

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