| 主权项 |
1. A process for preparing a composite electrode having a mixture of particles of an active material AM and particles of an EC material generating an electronic conductivity, said mixture being supported by an electrical conductor forming a current collector CC, wherein said method comprises the steps of:
chemically modifying AM particles, EC particles and a current collector CC by reaction of said AM particles, EC particles and current collector CC with the T groups of T-X-L reactants and with the T groups of T-X-Q reactants, and reacting the chemically modified particles with one another and with the chemically modified current collector CC, in order to form covalent bonds, and electrostatic bonds, on the one hand between said particles and on the other hand between said particles and the current collector CC, and wherein
the T groups are functional groups capable of reacting with the AM material, the EC material and the current collector CC in order to form covalent bonds;the X groups are conjugated spacer groups, that is to say groups which comprise a system of atoms bonded by a covalent bond with at least one delocalized π bond;some L groups are functional groups capable of reacting with another L functional groups in order to form covalent bonds on the one hand between the particles and on the other hand between the particles and the current collector CC;some Q groups are charged groups capable of reacting with another Q charged groups in order to form electrostatic bonds on the one hand between the particles and on the other hand between the particles and the current collector CC, said Q charged groups may optionally be formed in situ; andthe T and X groups of T-X-L reactants and T-X-Q reactants are identical or different. |
