ELECTRODE FOR ELECTROCHEMICAL ELEMENT AND ELECTROCHEMICAL ELEMENT

To provide an electrochemical element having an excellent initial capacity and a negative electrode suitable for the same.SOLUTION: The electrode for an electrochemical element comprises a current collector, an active material layer located on at least one surface of the current collector, and a porous layer located on a side opposite to the current collector of the active material layer, the active material layer and the porous layer have voids extending from a first surface that is the outermost surface of the porous layer to a position deeper than a second surface that is a main interface between the porous layer and the active material layer.SELECTED DRAWING: Figure 1 【課題】初期容量の優れた電気化学素子及びこれに適した電気化学素子用負極を提供することを目的とする。【解決手段】電気化学素子用電極は、集電体と、前記集電体の少なくとも一面に位置する活物質層と、前記活物質層の前記集電体と反対側に位置する多孔質層と、を備え、前記活物質層及び前記多孔質層は、前記多孔質層の最外面である第１面から前記多孔質層と前記活物質層との主の界面である第２面よりも深い位置まで至る空隙を有する。【選択図】図１