A New Process for Preparation of Flexible Battery by Chinese Academy of Sciences

Recently, the Dalide energy storage Technology Research Department of the Chinese Academy of Sciences reported on a new process for preparing flexible batteries. They use chemical plating technology to achieve the direct binding of active substances to conductive bases. When the batteries are bent arbitrarily, the active substances will not be produced. Fall off, showing good flexibility. The battery can be applied to bending electronic equipment.

The active substance coated inside the battery is the key component of the battery. Because of its fixed shape, the binding between the active substance and the conductive substrate is relatively strong. However, when the battery is flexible, the coated active material is likely to fall off, which in turn affects the normal use of the battery. In recent years, flexible wearable electronic equipment and concepts have been rapidly developed. It is an urgent problem to develop flexible equipment to prepare batteries that do not lose their internal active substances during bending.

Electroless plating technology is a mature surface coating technology and is widely used in chemical,special, medical devices and other fields. This technology has the advantages of uniform plating, flexible and diverse composition, and application to non-metallic substrates. Conventional batteries are coated with an active substance as a binder on a conductive substrate. The team changed the coating method and coated the metal film on the active material through chemical plating technology. The technology has the advantages of low preparation cost and easy practical application, which lays the foundation for the future industrialization of flexible battery. The above work is published in Advanced Functional Materials.

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