| 摘要 |
<P>PROBLEM TO BE SOLVED: To manufacture polymer electrolyte of a desired EW value and molecular weight. <P>SOLUTION: A method of manufacturing the polymer electrolyte includes a first step (Step S100) of preparing raw-material polymer electrolyte showing a molecular weight larger than the desired value, and a second step of lessening a molecular weight of the raw-material polymer electrolyte by irradiating (Step S120) ionizing radiation on the raw-material polymer electrolyte. Here, a dose of the ionizing radiation irradiated at the second process is within a range preset as one in which a change volume of the EW value by ionizing radiation irradiation on the raw-material polymer electrolyte is allowable, that is, a dose for lowering a molecular weight of the polymer electrolyte to one showing the desired molecular weight. <P>COPYRIGHT: (C)2010,JPO&INPIT |
