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CAO Dian-, LIU Jie, QU Xiao-hua, DUAN Jing-lai, MO Dan, YAO Hui-jun, CHEN Yan-feng, SUN You-mei. Preparation Lithiumion Battery Separator by Swift Heavy Ion Irradiation Methods[J]. Nuclear Physics Review, 2010, 27(1): 102-106. DOI: 10.11804/NuclPhysRev.27.01.102
Citation: CAO Dian-, LIU Jie, QU Xiao-hua, DUAN Jing-lai, MO Dan, YAO Hui-jun, CHEN Yan-feng, SUN You-mei. Preparation Lithiumion Battery Separator by Swift Heavy Ion Irradiation Methods[J]. Nuclear Physics Review, 2010, 27(1): 102-106. DOI: 10.11804/NuclPhysRev.27.01.102
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Preparation Lithiumion Battery Separator by Swift Heavy Ion Irradiation Methods

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  • The polypropylene membranes were irradiated by 197Au ions of energy 11.4 MeV/u and fluences 1×108 ions/cm2 at a normal incidence. Sulfuric acid and potassium dichromate solution were employed as the etchant to etch the ion tracks. The influences of the temperature and the concentration of each ingredient were systematically investigated by recording the electrical current during etching process. The nanoporous with different shapes were successfully prepared with homogenous porous of diameters from 600 nm to 1 μm. The morphology of the porous was analyzed by scanning electron microscopy(SEM). The experiment has provided a method for production of the lithiumion battery separator.
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