| abstract |
The present invention relates to a rechargeable battery including an anode, a cathode, and an electrolyte, The electrolyte comprises an SEI film former, - the cathode comprises a micrometer of a Si-base active material, a polymeric binder material and a conductive agent, at least a part of the surface of the Si-base active material being constituted by Si-OCO-R groups, Si being part of the active material, Wherein R is a polymer chain of a binder material. |