2026-04-23 23:33:46
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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。
眾(zhong)所(suo)周(zhou)知(zhi),諸(zhu)如(ru)鉑(bo)等(deng)貴(gui)金(jin)屬(shu)催(cui)化(hua)劑(ji)適(shi)用(yong)於(yu)催(cui)化(hua)多(duo)種(zhong)化(hua)學(xue)過(guo)程(cheng),如(ru)燃(ran)料(liao)電(dian)池(chi)車(che)輛(liang)以(yi)及(ji)二(er)氧(yang)化(hua)碳(tan)尾(wei)氣(qi)還(hai)原(yuan)過(guo)程(cheng)等(deng)。但(dan)是(shi)在(zai)使(shi)用(yong)貴(gui)金(jin)屬(shu)催(cui)化(hua)劑(ji)的(de)過(guo)程(cheng)中(zhong)存(cun)在(zai)一(yi)個(ge)很(hen)大(da)的(de)問(wen)題(ti)就(jiu)是(shi)使(shi)用(yong)成(cheng)本(ben)太(tai)高(gao)。
zaixunzhaogenglianjiashiyongdetidaipinguochengzhong,yanjiuzhechangshileyoujijicuihuajihetanzhicuihuaji。danshijingguoshiyanyanjiu,faxianzheliangzhongdoubushiheyongzuotidaicuihuaji,yinweiyoujijicuihuajisuiranhuoxingjiaogaodanshibuwending,ertanzhicuihuajiwendingxinghaodanshihuoxingtaidi。

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),從(cong)而(er)提(ti)高(gao)了(le)催(cui)化(hua)劑(ji)的(de)催(cui)化(hua)活(huo)性(xing)。用(yong)這(zhe)一(yi)新(xin)型(xing)合(he)成(cheng)方(fang)法(fa)得(de)到(dao)的(de)催(cui)化(hua)劑(ji)可(ke)以(yi)有(you)效(xiao)地(di)替(ti)代(dai)現(xian)有(you)金(jin)屬(shu)催(cui)化(hua)劑(ji),可(ke)應(ying)用(yong)於(yu)燃(ran)料(liao)電(dian)池(chi)車(che)輛(liang),製(zhi)氫(qing)等(deng)新(xin)型(xing)環(huan)保(bao)技(ji)術(shu)中(zhong)。