2026-04-11 23:38:49
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據南京工業大學新聞網報道:氫能源作為一類高能量密度的可再生清潔能源日漸受寵,而利用電解水的方法製備氫氣時,以往多使用成本高昂、儲量稀少的貴金屬催化劑(如氧化銥等)。jizhecongnanjinggongyedaxuehuoxi,jinrigaixiaohuagongxueyuanyanjiutuanduikaifachuleyizhongxinxingdefeiguijinshucuihuaji,yidaitichuantongdeyanghuayicuihuaji,qiejiagejinweiyanghuayideqianfenzhiyi,zheyiyanjiuchengguoriqianzai《自然·通訊》上發表。
juyanjiutuanduizhouweijiaoshoujieshao,zhezhongfangaitaikuangjidexinxingfeiguijinshucuihuajibujincuihuahuoxinggao,wendingxinghao,jiangdilenenghao,erqiewumeijialian。fangaitaikuangjiehelegaitaikuangjiegoudelinghuoxingheguodujinshudan(碳)化物高導電性、youyidiancuihuaxingdengyoudian,lilunshanglaishuoshiyizhonghenyoufazhanqianlidexiyangfanyingdiancuihuaji。raner,hegaitaikuangcailiaoyouzheleisidepingjing,jiushiqichengxiangwendugaodajibaishenzhishangqiansheshidu,daozhicailiaoshaojieyanzhong,bibiaomianjidixia,huoxingweidianbaolujishao。jianyuci,gaiyanjiutuanduishouxianshejilefangaitaikuangcuihuaji,suihoukaifachuleyizhongduokongdejuyouhekejiegoudefuhecuihuaji。gaicuihuajijinxuyaobirelixuelilungaochu0.23V的電壓,即可驅動析氧反應的發生。
julunwendiyizuozhezhuyanpingjieshao,dianjieshuizhiqingdeshihou,yinjiheyangjidouhuifashengfanying,yinjichanqingqi,yangjichanyangqi。yangjidefanyinghenman,huixianzhizhengtidecuihuaxiaolv,suoyi她們團隊開發的這種陽極的非貴金屬催化劑,使得水解過程產生氧氣的速率變快了,這樣陰極產氫氣的反應就不會被拖後腿了,製備氫氣的整體效率也大大提高了。
該項研究開發出來的新型非貴金屬催化劑兼具極高的催化活性與穩定性,而且與儲量匱乏、成本高昂(600元/克)的氧化銥相比,價格僅為其千分之一,在實際應用中顯示出了極大的前景。
《科技日報》7月2日第01版也對該項研究進行了專題報道,鏈接如下:http://digitalpaper.stdaily.com/http_www.kjrb.com/kjrb/html/2018-07/02/content_398181.htm?div=-1。