石墨(mo)(mo)烯(xi)電(dian)(dian)池(chi)(chi)(chi)真的(de)如此(ci)厲(li)害(hai)嗎？我(wo)們(men)也無法知(zhi)(zhi)道(dao)(dao)，作為一個新興產(chan)(chan)(chan)物(wu)(wu)，或許大家都對它抱有(you)很大期望，但是(shi)我(wo)們(men)必須要(yao)清(qing)楚，石墨(mo)(mo)烯(xi)電(dian)(dian)池(chi)(chi)(chi)仍(reng)是(shi)處于實驗室(shi)的(de)產(chan)(chan)(chan)物(wu)(wu)，技術目前(qian)難(nan)以突(tu)破，是(shi)否能(neng)(neng)夠量產(chan)(chan)(chan)依然未知(zhi)(zhi)。正(zheng)(zheng)(zheng)道(dao)(dao)汽車(che)目前(qian)有(you)六款概念車(che)，其(qi)中都是(shi)搭(da)載(zai)了正(zheng)(zheng)(zheng)道(dao)(dao)集(ji)團(tuan)開發(fa)的(de)增程電(dian)(dian)力驅(qu)動(dong)系統(tong)，簡單來(lai)說(shuo)就(jiu)是(shi)使用(yong)動(dong)力源去發(fa)電(dian)(dian)驅(qu)動(dong)電(dian)(dian)機帶動(dong)車(che)輛(liang)，同時還(huan)可(ke)以充(chong)電(dian)(dian)使用(yong)。不(bu)同的(de)是(shi)，正(zheng)(zheng)(zheng)道(dao)(dao)汽車(che)所(suo)搭(da)載(zai)的(de)動(dong)力系統(tong)不(bu)是(shi)采用(yong)普通的(de)發(fa)動(dong)機，而(er)是(shi)采用(yong)微型渦輪發(fa)電(dian)(dian)機來(lai)發(fa)電(dian)(dian)，電(dian)(dian)池(chi)(chi)(chi)更是(shi)采用(yong)了正(zheng)(zheng)(zheng)道(dao)(dao)集(ji)團(tuan)宣傳(chuan)的(de)超(chao)級電(dian)(dian)池(chi)(chi)(chi)，都采用(yong)了石墨(mo)(mo)烯(xi)技術，不(bu)過(guo)車(che)展上(shang)電(dian)(dian)池(chi)(chi)(chi)并沒(mei)有(you)展示出來(lai)。根據外媒消息，正(zheng)(zheng)(zheng)道(dao)(dao)H600**快(kuai)在明年(nian)，也就(jiu)是(shi)2019年(nian)推出量產(chan)(chan)(chan)版本，或許那(nei)時我(wo)們(men)可(ke)以一睹所(suo)謂石墨(mo)(mo)烯(xi)電(dian)(dian)池(chi)(chi)(chi)真的(de)是(shi)否如此(ci)厲(li)害(hai)。石墨(mo)(mo)烯(xi)材料具有(you)良好的(de)穩(wen)定性和耐高溫(wen)性能(neng)(neng)，不(bu)易發(fa)生安全事故(gu)。湖(hu)北石墨(mo)(mo)烯(xi)產(chan)(chan)(chan)品介紹

石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)的化學結構(gou)(gou)組(zu)成(cheng)(cheng)(cheng)及其(qi)物(wu)(wu)理性(xing)能(neng)(neng)(neng)從其(qi)化學結構(gou)(gou)組(zu)成(cheng)(cheng)(cheng)上來(lai)(lai)看，它是(shi)(shi)由碳(tan)原子(zi)(zi)以(yi)sp2雜化軌道(dao)組(zu)成(cheng)(cheng)(cheng)六(liu)角型（呈蜂巢晶(jing)格）的二(er)維碳(tan)納(na)米材(cai)料(liao)(liao)。其(qi)次從其(qi)物(wu)(wu)理性(xing)能(neng)(neng)(neng)上來(lai)(lai)看，它具有(you)(you)光學、電(dian)學、力學特(te)(te)性(xing)一(yi)部分列的物(wu)(wu)理性(xing)能(neng)(neng)(neng)，從這(zhe)也可(ke)以(yi)表現出它是(shi)(shi)一(yi)種(zhong)非金(jin)(jin)屬(shu)材(cai)料(liao)(liao)，其(qi)不(bu)具備(bei)金(jin)(jin)屬(shu)所擁有(you)(you)的性(xing)能(neng)(neng)(neng)。石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)是(shi)(shi)蠢脊由碳(tan)原子(zi)(zi)構(gou)(gou)成(cheng)(cheng)(cheng)的單層片狀結構(gou)(gou)的新材(cai)料(liao)(liao)是(shi)(shi)已(yi)知世界(jie)上**薄、**硬的材(cai)料(liao)(liao)，被(bei)譽(yu)為“黑金(jin)(jin)”、“新材(cai)料(liao)(liao)”。石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)的厚(hou)度(du)可(ke)達頭發絲的20萬分之一(yi)，強度(du)是(shi)(shi)鋼的200倍。科學家預言，石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)將會(hui)是(shi)(shi)21世紀*重要，要優(you)先集中精力的新材(cai)料(liao)(liao)，市場(chang)應用(yong)前景不(bu)可(ke)估量。石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)不(bu)僅*是(shi)(shi)電(dian)子(zi)(zi)產(chan)品、新能(neng)(neng)(neng)源電(dian)池、航空航天領域導(dao)(dao)致社會(hui)的特(te)(te)別要注(zhu)意關注(zhu)。常(chang)規石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)產(chan)品介(jie)紹基(ji)于氧化石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)制備(bei)的石(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)導(dao)(dao)熱(re)(re)膜，具有(you)(you)良好的熱(re)(re)導(dao)(dao)率，可(ke)作為各類電(dian)子(zi)(zi)設備(bei)的優(you)良的散熱(re)(re)材(cai)料(liao)(liao)。

溶(rong)劑(ji)剝離法(fa)的(de)原理是將少量的(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)分(fen)散于(yu)溶(rong)劑(ji)中，形成低濃度(du)的(de)分(fen)散液，利用(yong)超聲(sheng)波(bo)的(de)作用(yong)破壞(huai)(huai)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)層(ceng)間的(de)范德華(hua)力，此時溶(rong)劑(ji)可以插入石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)層(ceng)間，進(jin)行層(ceng)層(ceng)剝離，制備出石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)。此方法(fa)不會像氧化-還原法(fa)那樣破壞(huai)(huai)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)的(de)結構，可以制備高(gao)質(zhi)量的(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)。在氮甲基吡咯烷酮中石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)的(de)產率(lv)比較高(gao)(大約為(wei)8%)，電(dian)導率(lv)為(wei)6500S/m。研究(jiu)發現高(gao)定(ding)向熱(re)裂解石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)、熱(re)膨脹石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)和微(wei)晶人造石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)適(shi)合用(yong)于(yu)溶(rong)劑(ji)剝離法(fa)制備石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)。溶(rong)劑(ji)剝離法(fa)可以制備高(gao)質(zhi)量的(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)，整個液相剝離的(de)過程沒有(you)在石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)的(de)表(biao)面引(yin)入任(ren)何缺陷，為(wei)其在微(wei)電(dian)子學(xue)、多功(gong)能復合材料(liao)等領(ling)域(yu)的(de)應用(yong)提供(gong)了廣闊的(de)應用(yong)前(qian)景。缺點(dian)是產率(lv)很(hen)低。

石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)內部碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)的(de)(de)(de)排列方式(shi)(shi)與(yu)(yu)(yu)(yu)石(shi)(shi)墨(mo)(mo)(mo)單原(yuan)(yuan)子(zi)(zi)層(ceng)一(yi)(yi)樣(yang)以(yi)sp雜化軌(gui)道(dao)成(cheng)鍵(jian)，并(bing)有如(ru)(ru)下(xia)的(de)(de)(de)特點:碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)有4個(ge)價電(dian)(dian)子(zi)(zi)，其中3個(ge)電(dian)(dian)子(zi)(zi)生(sheng)成(cheng)sp鍵(jian)，即每個(ge)碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)都(dou)貢(gong)獻一(yi)(yi)個(ge)位(wei)于pz軌(gui)道(dao)上的(de)(de)(de)未成(cheng)鍵(jian)電(dian)(dian)子(zi)(zi)，近鄰原(yuan)(yuan)子(zi)(zi)的(de)(de)(de)pz軌(gui)道(dao)與(yu)(yu)(yu)(yu)平面成(cheng)垂直方向(xiang)可形成(cheng)π鍵(jian)，新(xin)形成(cheng)的(de)(de)(de)π鍵(jian)呈半(ban)填(tian)滿狀態。研(yan)究證實，石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)中碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)的(de)(de)(de)配(pei)位(wei)數(shu)為(wei)3，每兩個(ge)相(xiang)鄰碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)間的(de)(de)(de)鍵(jian)長(chang)為(wei)×10米，鍵(jian)與(yu)(yu)(yu)(yu)鍵(jian)之間的(de)(de)(de)夾角為(wei)120°。除了σ鍵(jian)與(yu)(yu)(yu)(yu)其他碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)鏈接成(cheng)六(liu)角環的(de)(de)(de)蜂窩(wo)式(shi)(shi)層(ceng)狀結構(gou)外，每個(ge)碳(tan)(tan)(tan)原(yuan)(yuan)子(zi)(zi)的(de)(de)(de)垂直于層(ceng)平面的(de)(de)(de)pz軌(gui)道(dao)可以(yi)形成(cheng)貫穿全層(ceng)的(de)(de)(de)多原(yuan)(yuan)子(zi)(zi)的(de)(de)(de)大π鍵(jian)(與(yu)(yu)(yu)(yu)苯環類似)，因而(er)具有優(you)良的(de)(de)(de)導電(dian)(dian)和光學(xue)性能(neng)。石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)在(zai)室溫(wen)(wen)下(xia)的(de)(de)(de)載(zai)流(liu)子(zi)(zi)遷移率約(yue)為(wei)15000cm/(V·s)，這一(yi)(yi)數(shu)值超過(guo)了硅材(cai)料(liao)的(de)(de)(de)10倍，是已知載(zai)流(liu)子(zi)(zi)遷移率比較(jiao)高(gao)的(de)(de)(de)物質銻化銦(InSb)的(de)(de)(de)兩倍以(yi)上。在(zai)某些特定條件下(xia)如(ru)(ru)低溫(wen)(wen)下(xia)，石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)的(de)(de)(de)載(zai)流(liu)子(zi)(zi)遷移率甚至可高(gao)達250000cm/(V·s)。與(yu)(yu)(yu)(yu)很(hen)多材(cai)料(liao)不一(yi)(yi)樣(yang)，石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)的(de)(de)(de)電(dian)(dian)子(zi)(zi)遷移率受溫(wen)(wen)度(du)變化的(de)(de)(de)影響較(jiao)小，50~500K之間的(de)(de)(de)任何溫(wen)(wen)度(du)下(xia)，單層(ceng)石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)的(de)(de)(de)電(dian)(dian)子(zi)(zi)遷移率都(dou)在(zai)15000cm/(V·s)左右。另外，石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)中電(dian)(dian)子(zi)(zi)載(zai)體和空穴載(zai)流(liu)子(zi)(zi)的(de)(de)(de)半(ban)整數(shu)量子(zi)(zi)霍(huo)爾效應(ying)可以(yi)通過(guo)電(dian)(dian)場作用改(gai)變化學(xue)勢而(er)被觀察(cha)到(dao)，而(er)科學(xue)家(jia)在(zai)室溫(wen)(wen)條件下(xia)就觀察(cha)到(dao)了石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)的(de)(de)(de)這種(zhong)量子(zi)(zi)霍(huo)爾效應(ying)。主要用于各種(zhong)（重(zhong)）防(fang)腐(fu)涂(tu)料(liao)，如(ru)(ru)富鋅(xin)環氧底漆、（無鉻）達克羅涂(tu)料(liao)等。

去年12月(yue)，華(hua)為曾推出(chu)的(de)(de)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)基鋰離子(zi)電(dian)(dian)(dian)池引起了巨大的(de)(de)關注，被(bei)喻為“黑金子(zi)”的(de)(de)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)材(cai)質(zhi)(zhi)開始(shi)展示(shi)了其(qi)獨(du)有(you)的(de)(de)魅力(li)漸(jian)漸(jian)實(shi)(shi)現(xian)(xian)商用(yong)(yong)。而石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)能(neng)(neng)干(gan)的(de)(de)不僅如此，現(xian)(xian)在(zai)(zai)(zai)又有(you)研究人員(yuan)采(cai)用(yong)(yong)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)制(zhi)造(zao)OLED電(dian)(dian)(dian)極(ji)。實(shi)(shi)質(zhi)(zhi)上，業內(nei)人士認為，未來石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)有(you)也許在(zai)(zai)(zai)OLED產(chan)業上實(shi)(shi)現(xian)(xian)大規模應用(yong)(yong)。石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)享有(you)高(gao)畫質(zhi)(zhi)、柔性(xing)(xing)超薄、高(gao)對(dui)比、低(di)能(neng)(neng)耗(hao)等特性(xing)(xing)，它能(neng)(neng)制(zhi)作(zuo)(zuo)硬(ying)度優良、導電(dian)(dian)(dian)出(chu)色(se)、柔性(xing)(xing)觸控、超級透(tou)明的(de)(de)出(chu)色(se)觸控面板(ban)材(cai)質(zhi)(zhi)。而這次研究人員(yuan)用(yong)(yong)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)制(zhi)作(zuo)(zuo)OLED電(dian)(dian)(dian)極(ji)就是一項關鍵突破。據傳媒報導，黏附到OLED的(de)(de)電(dian)(dian)(dian)極(ji)大小約為2cmx1cm（1/2英(ying)寸x1/4英(ying)寸），它采(cai)用(yong)(yong)化(hua)學氣相沉積（CVD）工藝制(zhi)造(zao)，其(qi)中(zhong)甲烷(wan)和氫(qing)氣被(bei)泵入真空(kong)室(shi)中(zhong)，銅(tong)板(ban)被(bei)加(jia)(jia)熱到800℃（1,472°F）。這兩種氣體(ti)時(shi)有(you)發(fa)生化(hua)學反應，并當甲烷(wan)溶解到銅(tong)中(zhong)時(shi)，其(qi)在(zai)(zai)(zai)表面上形成(cheng)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)原子(zi)。一旦該層充(chong)分形成(cheng)，使整(zheng)個設備降溫，強(qiang)加(jia)(jia)保(bao)護(hu)性(xing)(xing)聚合物片，然后化(hua)學蝕刻掉銅(tong)以(yi)顯出(chu)純石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)的(de)(de)單原子(zi)層。Fraunhofer有(you)機(ji)電(dian)(dian)(dian)子(zi)學，電(dian)(dian)(dian)子(zi)束和等離子(zi)體(ti)技(ji)術FEP項目主任BeatriceBeyer博士說，“這是極(ji)嚴苛材(cai)質(zhi)(zhi)研究和集成(cheng)的(de)(de)確實(shi)(shi)突破。雖(sui)然這不是個在(zai)(zai)(zai)其(qi)結構中(zhong)用(yong)(yong)到石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)的(de)(de)柔性(xing)(xing)顯示(shi)屏，但它引入OLED技(ji)術，向全色(se)屏幕(mu)和迅速響(xiang)應時(shi)間邁出(chu)一大步。氧(yang)化(hua)石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)分散液可與(yu)復合材(cai)料進行(xing)原位復配(pei)，從(cong)而賦(fu)予復合材(cai)料導電(dian)(dian)(dian)、導熱、增強(qiang)、阻燃、抑菌等性(xing)(xing)能(neng)(neng)。廣(guang)西石墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)什么價格

氧化石(shi)(shi)墨烯分散液在水中具有很好的(de)分散性，樣品單層率＞90%，產品經輕微攪拌(ban)就可與水相互溶。湖(hu)北(bei)石(shi)(shi)墨烯產品介紹

可實現高質(zhi)量石(shi)(shi)(shi)墨(mo)烯(xi)的(de)(de)(de)(de)大量制備(bei)，同時也為(wei)兼具特定(ding)構造(zao)、性能和運用(yong)(yong)的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)烯(xi)三維體材質(zhi)的(de)(de)(de)(de)制備(bei)提供了(le)一個基(ji)本(ben)思路。html/6/20122/.html==============================================================我(wo)所深(shen)(shen)紫外激(ji)(ji)光(guang)(guang)PEEM系(xi)統在(zai)石(shi)(shi)(shi)墨(mo)烯(xi)研(yan)(yan)究(jiu)中(zhong)(zhong)得(de)(de)到新進展.發(fa)布時間：2012-03-07供稿(gao)機(ji)構：502組、科(ke)技處【大】【中(zhong)(zhong)】【小(xiao)】近日，我(wo)所納米與(yu)界(jie)面催化(hua)研(yan)(yan)究(jiu)組（502組）金立、傅強和包信和等研(yan)(yan)究(jiu)人員與(yu)中(zhong)(zhong)科(ke)院(yuan)金屬(shu)所成(cheng)會明研(yan)(yan)究(jiu)員的(de)(de)(de)(de)研(yan)(yan)究(jiu)小(xiao)組協(xie)作(zuo)，運用(yong)(yong)本(ben)組近來(lai)研(yan)(yan)制的(de)(de)(de)(de)深(shen)(shen)紫外激(ji)(ji)光(guang)(guang)光(guang)(guang)電(dian)子發(fa)射(she)顯(xian)微鏡（DUV-PEEM）系(xi)統對單(dan)(dan)層石(shi)(shi)(shi)墨(mo)烯(xi)生(sheng)長(chang)過程和構造(zao)開展了(le)研(yan)(yan)究(jiu)，并成(cheng)功發(fa)現，在(zai)Pt表(biao)面上運用(yong)(yong)化(hua)學氣(qi)相沉積法(fa)(CVD)生(sheng)長(chang)取得(de)(de)的(de)(de)(de)(de)毫米尺寸的(de)(de)(de)(de)單(dan)(dan)層石(shi)(shi)(shi)墨(mo)烯(xi)中(zhong)(zhong)，具凹角分界(jie)的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)烯(xi)片層為(wei)多(duo)晶(jing)構造(zao)，存在(zai)不同的(de)(de)(de)(de)晶(jing)格傾(qing)向(xiang)，而只有凸角分界(jie)的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)烯(xi)片層則(ze)具理想的(de)(de)(de)(de)單(dan)(dan)晶(jing)構造(zao)。該(gai)方(fang)式作(zuo)為(wei)一個**主(zhu)要的(de)(de)(de)(de)判據，確證了(le)運用(yong)(yong)CVD方(fang)式能取得(de)(de)大面積、單(dan)(dan)層、單(dan)(dan)晶(jing)石(shi)(shi)(shi)墨(mo)烯(xi)。該(gai)成(cheng)果近日刊出在(zai)《自然-通訊》NatureCommunications上（(2012)/ncomms/journal/v3/n2/full/）。我(wo)所深(shen)(shen)紫外激(ji)(ji)光(guang)(guang)光(guang)(guang)發(fa)射(she)電(dian)子顯(xian)微鏡（PEEM）研(yan)(yan)制是(shi)國家關(guan)鍵科(ke)研(yan)(yan)配(pei)備(bei)研(yan)(yan)制項目（“深(shen)(shen)紫外全(quan)固態激(ji)(ji)光(guang)(guang)源關(guan)鍵科(ke)研(yan)(yan)配(pei)備(bei)研(yan)(yan)制”）資(zi)助下得(de)(de)到的(de)(de)(de)(de)**主(zhu)要成(cheng)果。湖北(bei)石(shi)(shi)(shi)墨(mo)烯(xi)產品介紹

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