芒果视频

一、石墨和石墨烯有什么區別

石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)是(shi)一種由(you)碳原(yuan)(yuan)子以sp雜化軌道組(zu)成(cheng)(cheng)六角型呈蜂(feng)巢晶格的(de)(de)二維碳納米材料(liao)(liao)，是(shi)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)的(de)(de)單層(ceng)結構(gou)，石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)一層(ceng)層(ceng)疊(die)起來就是(shi)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)，石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)和(he)(he)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)的(de)(de)區(qu)別(bie)主(zhu)要有(you)：1、結構(gou)不(bu)(bu)(bu)同：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)可以看成(cheng)(cheng)是(shi)單層(ceng)的(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)，而石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)則是(shi)由(you)多層(ceng)的(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)疊(die)加而成(cheng)(cheng)的(de)(de)。2、厚(hou)度(du)不(bu)(bu)(bu)同：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)是(shi)單層(ceng)碳原(yuan)(yuan)子，石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)是(shi)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)一層(ceng)層(ceng)疊(die)加起來的(de)(de)，石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)的(de)(de)厚(hou)度(du)要比(bi)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)大，厚(hou)1毫(hao)米的(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)大約包含300萬層(ceng)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)。3、性能(neng)(neng)(neng)不(bu)(bu)(bu)同：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)和(he)(he)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)在導電(dian)性、導熱性、透光(guang)性以及硬度(du)等方便都有(you)較大區(qu)別(bie)，石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)的(de)(de)性能(neng)(neng)(neng)更優。4、應用(yong)(yong)不(bu)(bu)(bu)同：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)烯(xi)(xi)主(zhu)要應用(yong)(yong)于光(guang)電(dian)產品領域、能(neng)(neng)(neng)源(yuan)技術領域、功能(neng)(neng)(neng)復合(he)材料(liao)(liao)、微電(dian)子器件、生物醫藥(yao)和(he)(he)傳感器領域；石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)主(zhu)要應用(yong)(yong)于耐(nai)火材料(liao)(liao)行業(ye)、光(guang)伏行業(ye)、高溫冶金行業(ye)、原(yuan)(yuan)子能(neng)(neng)(neng)工業(ye)和(he)(he)國防工業(ye)。

二、石墨制品有哪些

石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制品(pin)，顧名思(si)義就是(shi)(shi)(shi)(shi)以(yi)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)為(wei)原料(liao)(liao)(liao)制作出(chu)來的(de)(de)產品(pin)，由于石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)具有(you)(you)許多優良的(de)(de)性能(neng)，因而(er)應用廣泛(fan)。凡(fan)是(shi)(shi)(shi)(shi)用石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制成(cheng)的(de)(de)都屬于石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制品(pin)，一(yi)般常見的(de)(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制品(pin)主要(yao)(yao)(yao)有(you)(you)：1、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)棒：由碳、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)加(jia)上適當(dang)的(de)(de)粘(zhan)合劑，通過(guo)擠壓(ya)(ya)成(cheng)形，經2200℃焙烤旋段后鍍一(yi)層銅而(er)制成(cheng)，常用于高溫(wen)真空爐(lu)的(de)(de)電(dian)熱體。2、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)塊(kuai)：即塊(kuai)狀(zhuang)的(de)(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制品(pin)，主要(yao)(yao)(yao)應用于冶金(jin)爐(lu)、電(dian)阻爐(lu)作爐(lu)襯和(he)導電(dian)材(cai)料(liao)(liao)(liao)或(huo)者碳化(hua)硅(gui)爐(lu)、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)化(hua)爐(lu)等領域(yu)，生活中(zhong)的(de)(de)鉛筆芯就是(shi)(shi)(shi)(shi)用的(de)(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)塊(kuai)。3、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)板：石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)板是(shi)(shi)(shi)(shi)由金(jin)屬芯板和(he)柔性石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)卷材(cai)復合而(er)成(cheng)的(de)(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)材(cai)料(liao)(liao)(liao)，有(you)(you)沖齒型(xing)和(he)粘(zhan)結型(xing)二種(zhong)，一(yi)般用來沖制各種(zhong)墊片，如氣缸氣墊、排水水位計墊、法蘭熱片、閥門中(zhong)道換墊器(qi)墊片等，是(shi)(shi)(shi)(shi)一(yi)種(zhong)適用范圍廣，密(mi)封性能(neng)強的(de)(de)理想密(mi)封材(cai)料(liao)(liao)(liao)。4、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)環：石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)環是(shi)(shi)(shi)(shi)采用柔性石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)帶或(huo)柔性石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)編(bian)制填料(liao)(liao)(liao)，經模壓(ya)(ya)制成(cheng)不同尺寸的(de)(de)環狀(zhuang)產品(pin)，用于壓(ya)(ya)縮(suo)機(ji)、機(ji)泵、閥門、化(hua)工儀器(qi)、儀表等，作為(wei)機(ji)械旋轉部(bu)位的(de)(de)密(mi)封材(cai)料(liao)(liao)(liao)。5、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟：石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟即石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)模具，本來是(shi)(shi)(shi)(shi)一(yi)種(zhong)載(zai)體，可(ke)把我們需要(yao)(yao)(yao)定(ding)型(xing)或(huo)者定(ding)位的(de)(de)原材(cai)料(liao)(liao)(liao)及零部(bu)件一(yi)起放(fang)進石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)模具里，經過(guo)高溫(wen)燒結成(cheng)型(xing)，之所以(yi)叫石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟，主要(yao)(yao)(yao)是(shi)(shi)(shi)(shi)因為(wei)它是(shi)(shi)(shi)(shi)一(yi)個像小(xiao)船(chuan)的(de)(de)石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)容器(qi)。6、石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)粉：石(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)粉是(shi)(shi)(shi)(shi)一(yi)種(zhong)礦物粉末，主要(yao)(yao)(yao)成(cheng)分為(wei)碳單質，質軟，黑(hei)灰色(se)，具有(you)(you)耐高溫(wen)導電(dian)性能(neng)，可(ke)做耐火材(cai)料(liao)(liao)(liao)、導電(dian)材(cai)料(liao)(liao)(liao)、耐磨潤滑材(cai)料(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(shi)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)(dian)極是(shi)一種耐高(gao)(gao)溫石(shi)墨(mo)(mo)質(zhi)導電(dian)(dian)(dian)(dian)(dian)(dian)材料，是(shi)在電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)爐(lu)(lu)中(zhong)以(yi)電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)形式釋放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)能(neng)對爐(lu)(lu)料進行加熱熔化的導體，它主要用于電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)煉鋼(gang)爐(lu)(lu)、礦熱電(dian)(dian)(dian)(dian)(dian)(dian)爐(lu)(lu)、電(dian)(dian)(dian)(dian)(dian)(dian)阻爐(lu)(lu)等(deng)領域，利用石(shi)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)(dian)極向爐(lu)(lu)內導入電(dian)(dian)(dian)(dian)(dian)(dian)流，利用電(dian)(dian)(dian)(dian)(dian)(dian)極端(duan)部和(he)爐(lu)(lu)料之間(jian)引發電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)所(suo)產生的高(gao)(gao)溫熱源來(lai)進行冶煉，還可以(yi)用來(lai)制備異型石(shi)墨(mo)(mo)產品(pin)。石(shi)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)(dian)極具(ju)有較(jiao)(jiao)強的導電(dian)(dian)(dian)(dian)(dian)(dian)性、導熱性，較(jiao)(jiao)高(gao)(gao)的抗(kang)熱振性能(neng)和(he)化學(xue)穩(wen)定性能(neng)，良好的潤滑性和(he)抗(kang)磨性，且加工較(jiao)(jiao)容易、比(bi)重小、加工速度快，因(yin)此應用廣泛。