2026-04-12 15:22:45
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據(ju)外(wai)媒(mei)報(bao)道(dao),研(yan)究(jiu)者(zhe)已(yi)經(jing)找(zhao)到(dao)非(fei)貴(gui)金(jin)屬(shu)催(cui)化(hua)劑(ji)的(de)新(xin)合(he)成(cheng)方(fang)法(fa),新(xin)和(he)成(cheng)的(de)非(fei)貴(gui)金(jin)屬(shu)催(cui)化(hua)劑(ji)可(ke)以(yi)用(yong)於(yu)多(duo)種(zhong)化(hua)學(xue)反(fan)應(ying)中(zhong),並(bing)減(jian)少(shao)了(le)對(dui)環(huan)境(jing)的(de)汙(wu)染(ran)。
zhongsuozhouzhi,zhurubodengguijinshucuihuajishiyongyucuihuaduozhonghuaxueguocheng,ruranliaodianchicheliangyijieryanghuatanweiqihaiyuanguochengdeng。danshizaishiyongguijinshucuihuajideguochengzhongcunzaiyigehendadewentijiushishiyongchengbentaigao。
在(zai)尋(xun)找(zhao)更(geng)廉(lian)價(jia)實(shi)用(yong)的(de)替(ti)代(dai)品(pin)過(guo)程(cheng)中(zhong),研(yan)究(jiu)者(zhe)嚐(chang)試(shi)了(le)有(you)機(ji)基(ji)催(cui)化(hua)劑(ji)和(he)碳(tan)質(zhi)催(cui)化(hua)劑(ji)。但(dan)是(shi)經(jing)過(guo)試(shi)驗(yan)研(yan)究(jiu),發(fa)現(xian)這(zhe)兩(liang)種(zhong)都(dou)不(bu)適(shi)合(he)用(yong)作(zuo)替(ti)代(dai)催(cui)化(hua)劑(ji),因(yin)為(wei)有(you)機(ji)基(ji)催(cui)化(hua)劑(ji)雖(sui)然(ran)活(huo)性(xing)較(jiao)高(gao)但(dan)是(shi)不(bu)穩(wen)定(ding),而(er)碳(tan)質(zhi)催(cui)化(hua)劑(ji)穩(wen)定(ding)性(xing)好(hao)但(dan)是(shi)活(huo)性(xing)太(tai)低(di)。

zaibenyanjiuzhong,yanjiurenyuantichuleyizhongxindecailiaohechengfangfa,kehechengjieyuyoujijicuihuajihetanzhicuihuajizhijiandexinxingtidaicailiao,congerweiguijinshutidaicuihuajideyanjiukaipilexindedaolu。
傳統的碳質催化劑具有導致催化劑活性下降的無定型碳質結構(見圖1a),而新的合成方法得到的催化劑具有可控化學結構的碳質催化層,如同有機基催化劑(見圖1b),congertigaolecuihuajidecuihuahuoxing。yongzheyixinxinghechengfangfadedaodecuihuajikeyiyouxiaoditidaixianyoujinshucuihuaji,keyingyongyuranliaodianchicheliang,zhiqingdengxinxinghuanbaojishuzhong。