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技術名稱 Technology
發明人 Inventor
張孫堂, 王丞浩, 劉珈琦, 鐘幻苹,
所有權人 Asignee 國立臺灣科技大學

專利國家 Country 申請號 Application No. 專利號 Patent No. 中心案號 Serial No.
中華民國 105140962 I609719 1050047TW0
美國 15/831,407 US10529993B2 1050047US0
  點閱數:863

技術摘要:
In this study, biomimetic Mg-N4-Cx from natural leaves mixed with carbon black (L/C catalyst) exhibits good catalytic activity for oxygen reduction reaction (ORR). The microwave-assisted process offers a cheaper and faster way to synthesize the catalyst compared to the conventional furnace process. Moreover, the microwave assisted process can also avoid the decomposition of porphyrin structure. When the microwave power and treatment time were set to 700 W and 2 min, the L/C catalyst exhibited an electron transfer number of 3.90 and the HO2- yield of only 5 % at 0.25 V vs. RHE, which exceeded other treatment conditions. The Raman spectra denoted that the IG/ID ratio of the L/C catalyst that was obtained using 700 W for 2 min is higher compared to catalyst that used other treatments. Lastly, the L/C catalyst that was obtained using 700 W for 2 min contained high proportion of quaternary-type nitrogen and Mg-N4-Cx. Due to these properties, the catalyst offered good performance and superior long-term stability up to 20000 s.

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