多元觸媒在複合石墨載體表面電化學活性分析The performance of ...
多元觸媒在複合石墨載體表面電化學活性分析The performance of ...
多元觸媒在複合石墨載體表面電化學活性分析The performance of ...
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表 1.載體的比表面積測試<br />
成份 未酸洗 酸洗後 30%DPG XC-72<br />
DPG DPG + XC-72<br />
比表面 24.18 28.37 135.17 198.59<br />
積(m 2 /g)<br />
表 2. 由 XRD 粒徑所估算的比表面積<br />
成份 10%Pt 10%Pt<br />
+10%Ru<br />
粒徑<br />
(nm)<br />
比表<br />
面積<br />
(m 2 /g)<br />
10%Pt<br />
+6%Ru<br />
+2.5%Sn<br />
10%Pt<br />
+6%Ru<br />
+3%Pd<br />
3.32 2.23 3.75 2.21<br />
84.45 125.73 74.77 126.86<br />
10 % Pt<br />
10%Pt+10%Ru<br />
10%Pt +6%Ru +2.5%Sn<br />
10%Pt +6%Ru +3%Pd<br />
30 40 50 60 70 80 90<br />
Fig1. 各組 XRD。<br />
Current (A)<br />
0.004<br />
0.002<br />
0.000<br />
-0.002<br />
-0.004<br />
-0.6 -0.4 -0.2 0.0 0.2 0.4 0.6<br />
Potential / V ( Ag / AgCl )<br />
Fig2. 在 1M H2SO4 下將含有 10%Pt 的 Cyclic<br />
voltammetry 測量。<br />
Current (A)<br />
0.006<br />
0.004<br />
0.002<br />
0.000<br />
-0.002<br />
-0.004<br />
-0.006<br />
-0.6 -0.4 -0.2 0.0 0.2 0.4 0.6<br />
Potential / V ( Ag / AgCl )<br />
Fig3. 在 1M H2SO4下將含有 10%Pt +10%Ru 的<br />
Cyclic voltammetry 測量。
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