초록 ▼

In order to assemble the components of an electrochemical generator using lithium, which are in the form of thin films and comprise a lithium- or lithium alloy-based negative electrode and a solid polymer electrolyte with conduction using the lithium ion, an intermediate assembly is used which consi

In order to assemble the components of an electrochemical generator using lithium, which are in the form of thin films and comprise a lithium- or lithium alloy-based negative electrode and a solid polymer electrolyte with conduction using the lithium ion, an intermediate assembly is used which consists of a thin film of lithium supported by a film of inert plastic with controlled adhesion to the lithium, as a precursor of the negative electrode. This intermediate assembly can be produced, inter alia, by rolling a sheet of lithium between two films of inert plastic.

대표청구항 ▼

A method for assembling the components of an electrochemical generator, wherein said components are in the form of thin films and comprise, as a first component, a lithium- or lithium alloy-based negative electrode and, as a second component, at least one thin film of a solid polymer electrolyte cap

A method for assembling the components of an electrochemical generator, wherein said components are in the form of thin films and comprise, as a first component, a lithium- or lithium alloy-based negative electrode and, as a second component, at least one thin film of a solid polymer electrolyte capable of conducting lithium ions, said method comprising: (i) using a negative electrode precursor which consists of an intermediate assembly formed from a thin film of lithium or lithium alloy supported by an inert plastic film having controlled adhesion to the lithium such that the bond of the lithium-based film to said inert plastic film is sufficient to permit the handling of said intermediate assembly but is less than the bond of the lithium film to the solid polymer electrolyte of the component containing said electrolyte; and (ii) applying the free metal surface of said intermediate assembly against said solid polymer electrolyte of the component containing said electrolyte by working these at a temperature and under a pressure sufficient to cause the lithium of said intermediate assembly to adhere to said solid polymer electrolyte.