Estimation of interfacial proton conductivity by effective media approximation for sheet-like composite electrolyte prepared from poly(2-acrylamido-2-methyl-1-propanesulfonic acid)-deposited core–shell particles
Estimation of interfacial proton conductivity by effective media approximation for sheet-like composite electrolyte prepared from poly(2-acrylamido-2-methyl-1-propanesulfonic acid)-deposited core–shell particles
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DOI：
10.2109/jcersj2.119.845
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发表时间：
2011-11
影响因子：
1.1
通讯作者：
H. Sakamoto;Y. Daiko;H. Muto;A. Matsuda
中科院分区：
文献类型：
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作者：
H. Sakamoto;Y. Daiko;H. Muto;A. Matsuda
通过层层组装法在粒径可控的苯基硅倍半氧烷（PhSiO 3/2）颗粒上制备了质子导电聚（2-丙烯酰胺基-2-甲基-1-丙磺酸）（PAMPS）薄膜。由PAMPS-多层膜沉积的PhSiO 3/2制备的复合电解质具有由质子传导多层膜组成的晶界。复合材料的界面导电通道呈蜂窝状结构。界面传导路径的电导率由广义有效介质（GEM）近似估计。在70%和95%相对湿度条件下，测定了复合材料的界面电导率.在80°C时，通过GEM近似拟合计算得到，分别为0.03和0.2 S cm-1。
Proton conductive poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PAMPS) ultrathin film was deposited as a multilayer on the size-controlled phenylsilsesquioxane (PhSiO3/2) particles via layer-by-layer (LbL) assembly. The composite electrolyte prepared from the PAMPS-multilayer deposited PhSiO3/2 had a grain boundary composed of the proton conductive multilayer. The interfacial conducting path having a honeycomb structure was percolated in the composite. The conductivity of the interfacial conducting path was estimated from general effective media (GEM) approximation. The interfacial conductivities of the composite under the conditions of 70 and 95%R.H. at 80°C were calculated from the fitting by GEM approximation to be 0.03 and 0.2 S cm−1, respectively.