The invention relates to a cathode (16) for an electrochemical accumulator comprising: - a current collector (22), - an interface layer (20), the interface layer (20) being coated on the current collector (22 ), and- an electrode (18), the electrode being formed by depositing, in particular by coating, a first composition on the interfacing layer (20), the first composition having a hydrogen potential greater than or equal to 10, preferably greater than or equal to 12, the hydrogen potential being measured at a temperature of 25 ° C.
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