对于生产效率由于脱落的活性物质粒子，以提供抑制电极辊体被还原，本发明是通过切割收集伤口作为电极用于电化学装置中使用的片材状电极基材（500） 一个是电极辊体（600），具有预定宽度的外周面由具有可挠性薄膜（400）的树脂（220）的圆柱形部件（200），用于可移除地与所述外周表面，所述柔性 要对性别膜（400）和（500），由卷绕片材电极基材。

For production efficiency due to the fallen active material particles to provide suppressing electrode roll body to be reduced, the present invention, a sheet-like electrode base material (500) to serve as an electrode for use in electrochemical devices by cutting is the winding a is the electrode roll body (600), the peripheral surface of a predetermined width (220) cylindrical member (200) made of a resin having a flexible film (400) attached to and detached from said peripheral surface, said flexible the sheet electrode base material wound on sex film (400) and (500), made of.