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林茨大學DominikWielend老(lao)師2020文章，研(yan)(yan)究(jiu)均相(xiang)和(he)(he)非均相(xiang)電(dian)(dian)催化(hua)劑。這種(zhong)技術(shu)通(tong)常(chang)需要惰性電(dian)(dian)極(ji)材(cai)料，在研(yan)(yan)究(jiu)氧(yang)(yang)還原反(fan)應(ORR)時，一(yi)個常(chang)見的(de)問題是碳(tan)基和(he)(he)金(jin)屬基電(dian)(dian)極(ji)材(cai)料對總體ORR背景電(dian)(dian)流大。此外(wai)，由玻碳(tan)/鉑(GC/Pt)這樣(yang)的(de)普(pu)通(tong)材(cai)料制成的(de)旋(xuan)轉環(huan)盤(pan)電(dian)(dian)極(ji)(RRDE)受到(dao)圓盤(pan)上(shang)重(zhong)疊(die)還原電(dian)(dian)位的(de)影響，環(huan)上(shang)重(zhong)疊(die)反(fan)應也(ye)可(ke)能發生(sheng)干擾，特(te)別是ORR研(yan)(yan)究(jiu)中的(de)氧(yang)(yang)還原和(he)(he)過氧(yang)(yang)化(hua)氫(qing)氧(yang)(yang)化(hua)。我們在此提出(chu)了一(yi)種(zhong)新的(de)減法，該方法對均相(xiang)電(dian)(dian)催化(hua)劑進(jin)行半定量描述，并克服上(shang)述重(zhong)疊(die)問題。文章中使用IPS公司的(de)...

電(dian)化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)(gong)作(zuo)站(zhan)是電(dian)化(hua)(hua)(hua)學(xue)測(ce)量系統(tong)的簡稱，是電(dian)化(hua)(hua)(hua)學(xue)研究和(he)教學(xue)常用(yong)(yong)的測(ce)量設備。其主要(yao)有2大(da)類，單通道(dao)工(gong)(gong)(gong)(gong)作(zuo)站(zhan)和(he)多(duo)通道(dao)工(gong)(gong)(gong)(gong)作(zuo)站(zhan)，應用(yong)(yong)于生物技術、物質的定性定量分析(xi)等。電(dian)化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)(gong)作(zuo)站(zhan)使用(yong)(yong)步驟：1、打開電(dian)腦，電(dian)化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)(gong)作(zuo)站(zhan)，(工(gong)(gong)(gong)(gong)作(zuo)站(zhan)一般需(xu)要(yao)穩定一段時間(jian)(jian)，在測(ce)試樣(yang)品(pin))2、電(dian)路連接(jie)(jie)：綠色(se)鐵夾(jia)(jia)接(jie)(jie)工(gong)(gong)(gong)(gong)作(zuo)電(dian)極，紅色(se)鐵夾(jia)(jia)接(jie)(jie)對電(dian)極，黃色(se)鐵夾(jia)(jia)接(jie)(jie)參(can)比電(dian)極。3、打開軟件，按工(gong)(gong)(gong)(gong)作(zuo)站(zhan)右(you)邊的“復位”按鈕，工(gong)(gong)(gong)(gong)作(zuo)站(zhan)自動(dong)進(jin)行連接(jie)(jie)，如果連接(jie)(jie)對話框消失，說明連接(jie)(jie)成(cheng)功；如果長時間(jian)(jian)不消失，點擊取消，重(zhong)復過程，直至連接(jie)(jie)成(cheng)功。4、循環伏安測(ce)定...

可(ke)逆(ni)氫(qing)參比電(dian)(dian)極(ji)用鍍(du)有鉑黑的(de)鉑片(pian)為(wei)(wei)電(dian)(dian)極(ji)材(cai)料，在氫(qing)氣(qi)氛中浸沒或部分浸沒于(yu)(yu)用氫(qing)飽和(he)的(de)電(dian)(dian)解(jie)液中，即組成(cheng)了氫(qing)電(dian)(dian)極(ji)。其電(dian)(dian)極(ji)電(dian)(dian)勢EH2與溫度T、溶液的(de)pH值和(he)氫(qing)氣(qi)的(de)壓(ya)力pH2有關。當(dang)管(guan)道(dao)金屬位于(yu)(yu)某種電(dian)(dian)解(jie)質中時，那么管(guan)道(dao)的(de)電(dian)(dian)位不是(shi)穩定(ding)的(de)。參比電(dian)(dian)極(ji)是(shi)這樣(yang)一種半(ban)電(dian)(dian)池，它由單一的(de)、可(ke)逆(ni)的(de)反應這一特性所(suo)決定(ding)具(ju)有穩定(ding)的(de)、可(ke)逆(ni)的(de)電(dian)(dian)化學位。參比電(dian)(dian)極(ji)的(de)穩定(ding)性使其在作(zuo)為(wei)(wei)電(dian)(dian)參考點或用于(yu)(yu)測量位于(yu)(yu)土壤(rang)或水中的(de)其他金屬電(dian)(dian)位方面非常有用的(de)。當(dang)參比電(dian)(dian)極(ji)通(tong)過電(dian)(dian)壓(ya)表與處于(yu)(yu)土壤(rang)或水中的(de)其他金屬連接時，參比電(dian)(dian)極(ji)便成(cheng)為(wei)(wei)半(ban)腐蝕電(dian)(dian)池。...

原(yuan)(yuan)子(zi)沉(chen)(chen)(chen)(chen)積系(xi)統(tong)的(de)原(yuan)(yuan)子(zi)層(ceng)沉(chen)(chen)(chen)(chen)積技術由(you)于其沉(chen)(chen)(chen)(chen)積參數的(de)高度可控型(厚度、成份和結構(gou))原(yuan)(yuan)子(zi)沉(chen)(chen)(chen)(chen)積系(xi)統(tong)，一開始(shi)稱(cheng)為原(yuan)(yuan)子(zi)層(ceng)外延(AtomicLayerEpitaxy，ALE)，也稱(cheng)為原(yuan)(yuan)子(zi)層(ceng)化(hua)學(xue)(xue)氣相(xiang)沉(chen)(chen)(chen)(chen)積(AtomicLayerChemicalVaporDeposition，ALCVD)。原(yuan)(yuan)子(zi)層(ceng)沉(chen)(chen)(chen)(chen)積是在(zai)(zai)一個加熱反應器(qi)中(zhong)的(de)襯底上(shang)連續引入至少兩(liang)種(zhong)氣相(xiang)前驅體物(wu)(wu)種(zhong)，化(hua)學(xue)(xue)吸附的(de)過程(cheng)直至表面飽和時就自(zi)動終止，適當(dang)的(de)過程(cheng)溫度阻(zu)礙了分子(zi)在(zai)(zai)表面的(de)物(wu)(wu)理吸附。可以(yi)沉(chen)(chen)(chen)(chen)積的(de)材料包括:氧化(hua)物(wu)(wu)，氮化(hua)物(wu)(wu)，氟(fu)化(hua)物(wu)(wu)，金屬，碳化(hua)物(wu)(wu)，復...

氣(qi)(qi)體擴(kuo)散電(dian)(dian)極(ji)(ji)是用具(ju)有(you)疏水性(xing)(xing)高分子(zi)材料(如聚四氟(fu)乙(yi)烯(xi)等)作(zuo)為電(dian)(dian)極(ji)(ji)材料的(de)(de)(de)(de)(de)膠粘劑(ji)，根據燃料電(dian)(dian)池(chi)的(de)(de)(de)(de)(de)原理制作(zuo)成(cheng)具(ju)有(you)多孔性(xing)(xing)、一定的(de)(de)(de)(de)(de)防水性(xing)(xing)、較好的(de)(de)(de)(de)(de)導電(dian)(dian)性(xing)(xing)、高的(de)(de)(de)(de)(de)活性(xing)(xing)表面積和高的(de)(de)(de)(de)(de)催化(hua)(hua)活性(xing)(xing)的(de)(de)(de)(de)(de)一種電(dian)(dian)極(ji)(ji)。在常(chang)壓下(xia)使(shi)氣(qi)(qi)體和電(dian)(dian)解(jie)液(ye)在微孔中(zhong)處于(yu)平衡狀態，形成(cheng)穩定的(de)(de)(de)(de)(de)氣(qi)(qi)-液(ye)-固三相(xiang)界面，在控制一定電(dian)(dian)位的(de)(de)(de)(de)(de)條件下(xia)使(shi)發(fa)生(sheng)電(dian)(dian)化(hua)(hua)學反(fan)應。使(shi)用方(fang)便(bian)，適于(yu)作(zuo)連續和長時(shi)間的(de)(de)(de)(de)(de)監測分析工作(zuo)。已用于(yu)大氣(qi)(qi)中(zhong)的(de)(de)(de)(de)(de)CO、H2S、NO、NO2及廠礦環境(jing)中(zhong)的(de)(de)(de)(de)(de)HCN、肼、醇蒸氣(qi)(qi)和某(mou)些(xie)含(han)磷有(you)害物的(de)(de)(de)(de)(de)測定。也(ye)可用作(zuo)氣(qi)(qi)相(xiang)色譜(pu)的(de)(de)(de)(de)(de)檢測器。氣(qi)(qi)體擴(kuo)散電(dian)(dian)極(ji)(ji)的(de)(de)(de)(de)(de)分類：...