一、石墨和石墨烯有什么區別
石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)是(shi)(shi)一種由碳原(yuan)子(zi)以(yi)sp雜(za)化軌道(dao)組(zu)成六角型呈(cheng)蜂巢晶格的(de)(de)(de)二(er)維(wei)碳納米材料(liao),是(shi)(shi)石(shi)(shi)墨(mo)(mo)(mo)的(de)(de)(de)單(dan)(dan)(dan)層(ceng)結構,石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)一層(ceng)層(ceng)疊(die)起來就是(shi)(shi)石(shi)(shi)墨(mo)(mo)(mo),石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)和石(shi)(shi)墨(mo)(mo)(mo)的(de)(de)(de)區別主(zhu)要有(you):1、結構不(bu)同:石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)可以(yi)看(kan)成是(shi)(shi)單(dan)(dan)(dan)層(ceng)的(de)(de)(de)石(shi)(shi)墨(mo)(mo)(mo),而石(shi)(shi)墨(mo)(mo)(mo)則是(shi)(shi)由多層(ceng)的(de)(de)(de)石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)疊(die)加(jia)而成的(de)(de)(de)。2、厚(hou)(hou)度不(bu)同:石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)是(shi)(shi)單(dan)(dan)(dan)層(ceng)碳原(yuan)子(zi),石(shi)(shi)墨(mo)(mo)(mo)是(shi)(shi)石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)一層(ceng)層(ceng)疊(die)加(jia)起來的(de)(de)(de),石(shi)(shi)墨(mo)(mo)(mo)的(de)(de)(de)厚(hou)(hou)度要比石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)大(da),厚(hou)(hou)1毫米的(de)(de)(de)石(shi)(shi)墨(mo)(mo)(mo)大(da)約包含300萬(wan)層(ceng)石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)。3、性能不(bu)同:石(shi)(shi)墨(mo)(mo)(mo)和石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)在導電性、導熱性、透光性以(yi)及硬度等方便都有(you)較大(da)區別,石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)的(de)(de)(de)性能更優。4、應(ying)用不(bu)同:石(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)(xi)(xi)主(zhu)要應(ying)用于光電產品領域(yu)、能源技術(shu)領域(yu)、功(gong)能復(fu)合材料(liao)、微電子(zi)器件(jian)、生(sheng)物(wu)醫藥和傳感器領域(yu);石(shi)(shi)墨(mo)(mo)(mo)主(zhu)要應(ying)用于耐(nai)火材料(liao)行業(ye)(ye)、光伏行業(ye)(ye)、高溫冶金(jin)行業(ye)(ye)、原(yuan)子(zi)能工業(ye)(ye)和國防工業(ye)(ye)。
二、石墨制品有哪些
石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)(zhi)品(pin)(pin),顧名思義就(jiu)(jiu)是(shi)(shi)以石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)為原料(liao)(liao)(liao)(liao)制(zhi)(zhi)(zhi)(zhi)作出來的(de)(de)(de)產(chan)品(pin)(pin),由(you)于(yu)(yu)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)具(ju)有(you)許多(duo)優良的(de)(de)(de)性(xing)能(neng),因而應用(yong)廣(guang)泛。凡(fan)是(shi)(shi)用(yong)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)(zhi)成(cheng)的(de)(de)(de)都屬(shu)于(yu)(yu)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)(zhi)品(pin)(pin),一(yi)(yi)(yi)般(ban)常見的(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)(zhi)品(pin)(pin)主(zhu)要(yao)(yao)有(you):1、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)棒:由(you)碳(tan)(tan)、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)加上適當的(de)(de)(de)粘合(he)劑,通過擠(ji)壓(ya)成(cheng)形,經(jing)2200℃焙烤(kao)旋段后鍍一(yi)(yi)(yi)層(ceng)銅而制(zhi)(zhi)(zhi)(zhi)成(cheng),常用(yong)于(yu)(yu)高溫(wen)真空(kong)爐(lu)(lu)(lu)(lu)的(de)(de)(de)電熱(re)體。2、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)塊:即(ji)(ji)塊狀(zhuang)的(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)(zhi)品(pin)(pin),主(zhu)要(yao)(yao)應用(yong)于(yu)(yu)冶金爐(lu)(lu)(lu)(lu)、電阻爐(lu)(lu)(lu)(lu)作爐(lu)(lu)(lu)(lu)襯和(he)導電材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)或者(zhe)碳(tan)(tan)化(hua)硅爐(lu)(lu)(lu)(lu)、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)化(hua)爐(lu)(lu)(lu)(lu)等(deng)領域,生(sheng)活中(zhong)的(de)(de)(de)鉛筆芯(xin)(xin)就(jiu)(jiu)是(shi)(shi)用(yong)的(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)塊。3、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)板:石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)板是(shi)(shi)由(you)金屬(shu)芯(xin)(xin)板和(he)柔性(xing)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)卷材(cai)(cai)(cai)復合(he)而成(cheng)的(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao),有(you)沖(chong)(chong)齒型和(he)粘結型二種(zhong),一(yi)(yi)(yi)般(ban)用(yong)來沖(chong)(chong)制(zhi)(zhi)(zhi)(zhi)各種(zhong)墊(dian)(dian)(dian)片,如(ru)氣缸氣墊(dian)(dian)(dian)、排水水位計墊(dian)(dian)(dian)、法(fa)蘭熱(re)片、閥(fa)門中(zhong)道換墊(dian)(dian)(dian)器墊(dian)(dian)(dian)片等(deng),是(shi)(shi)一(yi)(yi)(yi)種(zhong)適用(yong)范圍廣(guang),密封(feng)性(xing)能(neng)強的(de)(de)(de)理想密封(feng)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)。4、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)環(huan):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)環(huan)是(shi)(shi)采用(yong)柔性(xing)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)帶或柔性(xing)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)編制(zhi)(zhi)(zhi)(zhi)填(tian)料(liao)(liao)(liao)(liao),經(jing)模(mo)壓(ya)制(zhi)(zhi)(zhi)(zhi)成(cheng)不同尺寸的(de)(de)(de)環(huan)狀(zhuang)產(chan)品(pin)(pin),用(yong)于(yu)(yu)壓(ya)縮機、機泵、閥(fa)門、化(hua)工儀器、儀表(biao)等(deng),作為機械旋轉部(bu)位的(de)(de)(de)密封(feng)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)。5、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)舟(zhou):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)舟(zhou)即(ji)(ji)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)模(mo)具(ju),本來是(shi)(shi)一(yi)(yi)(yi)種(zhong)載(zai)體,可(ke)(ke)把我們需要(yao)(yao)定型或者(zhe)定位的(de)(de)(de)原材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)及零部(bu)件(jian)一(yi)(yi)(yi)起放進(jin)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)模(mo)具(ju)里,經(jing)過高溫(wen)燒(shao)結成(cheng)型,之所以叫石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)舟(zhou),主(zhu)要(yao)(yao)是(shi)(shi)因為它是(shi)(shi)一(yi)(yi)(yi)個像小船(chuan)的(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)容器。6、石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)粉:石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)粉是(shi)(shi)一(yi)(yi)(yi)種(zhong)礦物粉末,主(zhu)要(yao)(yao)成(cheng)分為碳(tan)(tan)單質,質軟,黑灰色,具(ju)有(you)耐高溫(wen)導電性(xing)能(neng),可(ke)(ke)做耐火材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)、導電材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)、耐磨潤(run)滑材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)。
三、石墨粉價格多少錢一噸
石墨粉是一種礦物粉末,主要成分為碳單質,質軟,黑灰色,常溫下化學性質穩定,不溶于水、稀酸、稀堿和有機溶劑,具有耐高溫導電性能,可用作耐火材料、導電材料、潤滑材料、高溫冶金材料、磨光劑和防銹劑等,是一種應用廣泛的化工原料。石墨粉的種類眾多,不同種類的石墨粉用途不同,價格也有所不同,具體價格并不是統一的,要看石墨粉的含碳量、粒度等參數要求,一般市面上的石墨粉在一千多元每噸到幾萬元每噸甚至幾十萬元每噸都有。購買石墨粉時,可以通過看外觀、將石墨粉放入水中、煅燒石墨粉等方法來判斷石墨粉的質量好壞。如果您需要購買石墨粉,可以先來了解一下石墨十大品牌。
四、石墨電極的用途和性能
石墨電(dian)(dian)極是一種耐(nai)高(gao)溫石墨質導(dao)電(dian)(dian)材料(liao)(liao),是在(zai)電(dian)(dian)弧(hu)(hu)爐中以(yi)電(dian)(dian)弧(hu)(hu)形(xing)式釋放電(dian)(dian)能(neng)(neng)對爐料(liao)(liao)進行(xing)(xing)加熱熔化(hua)(hua)的(de)導(dao)體,它(ta)主(zhu)要用于電(dian)(dian)弧(hu)(hu)煉鋼爐、礦(kuang)熱電(dian)(dian)爐、電(dian)(dian)阻(zu)爐等領(ling)域,利用石墨電(dian)(dian)極向爐內導(dao)入電(dian)(dian)流,利用電(dian)(dian)極端部和爐料(liao)(liao)之間(jian)引發電(dian)(dian)弧(hu)(hu)所(suo)產生的(de)高(gao)溫熱源來進行(xing)(xing)冶煉,還可以(yi)用來制備異型石墨產品。石墨電(dian)(dian)極具(ju)有較(jiao)強的(de)導(dao)電(dian)(dian)性(xing)、導(dao)熱性(xing),較(jiao)高(gao)的(de)抗(kang)熱振性(xing)能(neng)(neng)和化(hua)(hua)學穩(wen)定性(xing)能(neng)(neng),良好的(de)潤滑性(xing)和抗(kang)磨(mo)性(xing),且加工較(jiao)容(rong)易、比重(zhong)小、加工速度快(kuai),因此應用廣泛。