The application is associated with the field of lithium battery manufacturing, in particular to a gel positive and negative flexible battery. A flexible battery having positive and negative gel electrodes, comprising a positive electrode, a positive tab, a separator adhesive layer, a negative electrode, and a negative tab. The positive electrode and the negative electrode are adhered to each other using the separator adhesive layer, and the edges of the positive electrode and the negative electrode are sealed from each other. The separator adhesive layer has a swelling function and can consume a certain amount of electrolyte to enhance the interface of a battery, to recognize characteristics such as strong safety and long battery life.
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