Lithium battery and cathode foil thereof

Abstract

The present disclosure provides a lithium battery and a cathode foil thereof. The cathode foil includes a base material layer, a first material layer formed on the base material layer, and a second material layer including a plurality of particle structure groups disposed inside the first material layer. Each of the particle structure groups includes a plurality of particle structures connected with each other. One of the first material layer and the second material layer is formed by a pure silicon material without impurities, and another one of the first material layer and the second material layer is formed by a pure carbon material without impurities. Therefore, the structural strength and the ion transmission efficiency of the lithium battery with the cathode foil can be increased in virtue of the particle structures that are connected with each other.

Dependencies are inferred from the claim text.