Anode for lithium battery and lithium battery employing the same
OwnerSeung-sik Hwang, Seok-gwang Dooinventors
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Abstract
Anodes for lithium batteries and lithium batteries employing the anodes are provided. In one embodiment, an anode includes an anode active material, and a binder including a waterborne acrylic polymer and a water-soluble polymer. The binder permeates the anode active materials to provide binding force between the anode active materials through point binding. The binder has excellent binding force and elasticity, and does not experience the spring-back phenomenon during electrode manufacture. The anodes have improved assembly density, high capacity and high energy density. Further, the anodes have improved lifetime characteristics since the anode structure is maintained long term over repeated charge/discharge cycles.
Claims13
An anode for a lithium battery comprising:
- an anode active material;
- and
- a binder comprising a waterborne acrylic polymer and a water-soluble polymer, wherein the binder is bonded to the anode active material by point binding.
Dependencies are inferred from the claim text.