2026-04-12 15:42:36
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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。
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。

在(zai)本(ben)研(yan)究(jiu)中(zhong),研(yan)究(jiu)人(ren)員(yuan)提(ti)出(chu)了(le)一(yi)種(zhong)新(xin)的(de)材(cai)料(liao)合(he)成(cheng)方(fang)法(fa),可(ke)合(he)成(cheng)介(jie)於(yu)有(you)機(ji)基(ji)催(cui)化(hua)劑(ji)和(he)碳(tan)質(zhi)催(cui)化(hua)劑(ji)之(zhi)間(jian)的(de)新(xin)型(xing)替(ti)代(dai)材(cai)料(liao),從(cong)而(er)為(wei)貴(gui)金(jin)屬(shu)替(ti)代(dai)催(cui)化(hua)劑(ji)的(de)研(yan)究(jiu)開(kai)辟(pi)了(le)新(xin)的(de)道(dao)路(lu)。
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。