芒果视频

一、石墨和石墨烯有什么區別

石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)是(shi)一種由碳(tan)(tan)原(yuan)子以(yi)sp雜化軌道組成六角型呈蜂(feng)巢晶(jing)格的(de)(de)二維(wei)碳(tan)(tan)納(na)米(mi)材(cai)料(liao)(liao)，是(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)單(dan)層(ceng)(ceng)(ceng)結構，石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)一層(ceng)(ceng)(ceng)層(ceng)(ceng)(ceng)疊起(qi)來(lai)就是(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)，石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)和石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)區(qu)別(bie)主要(yao)有：1、結構不同(tong)：石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)可(ke)以(yi)看成是(shi)單(dan)層(ceng)(ceng)(ceng)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)，而(er)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)則是(shi)由多層(ceng)(ceng)(ceng)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)疊加而(er)成的(de)(de)。2、厚(hou)度不同(tong)：石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)是(shi)單(dan)層(ceng)(ceng)(ceng)碳(tan)(tan)原(yuan)子，石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)是(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)一層(ceng)(ceng)(ceng)層(ceng)(ceng)(ceng)疊加起(qi)來(lai)的(de)(de)，石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)厚(hou)度要(yao)比石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)大，厚(hou)1毫米(mi)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)大約包(bao)含300萬層(ceng)(ceng)(ceng)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)。3、性(xing)能不同(tong)：石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)和石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)在導(dao)電(dian)性(xing)、導(dao)熱性(xing)、透光性(xing)以(yi)及硬度等方(fang)便都(dou)有較大區(qu)別(bie)，石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)的(de)(de)性(xing)能更優(you)。4、應用不同(tong)：石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)主要(yao)應用于光電(dian)產(chan)品領域、能源技術領域、功能復合(he)材(cai)料(liao)(liao)、微電(dian)子器件(jian)、生(sheng)物醫藥和傳感器領域；石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)主要(yao)應用于耐火(huo)材(cai)料(liao)(liao)行業(ye)、光伏(fu)行業(ye)、高溫冶金(jin)行業(ye)、原(yuan)子能工業(ye)和國防工業(ye)。

二、石墨制品有哪些

石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品(pin)(pin)，顧名思(si)義就是(shi)以石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)為(wei)原料(liao)(liao)(liao)制(zhi)(zhi)(zhi)作出來(lai)(lai)的(de)(de)(de)產品(pin)(pin)，由于石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)具有(you)許多優良的(de)(de)(de)性(xing)能，因而應用(yong)(yong)廣(guang)泛。凡是(shi)用(yong)(yong)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)成(cheng)(cheng)(cheng)的(de)(de)(de)都屬(shu)于石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品(pin)(pin)，一(yi)般(ban)常(chang)見的(de)(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品(pin)(pin)主要有(you)：1、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)棒(bang)：由碳、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)加(jia)上適當的(de)(de)(de)粘合劑，通過擠壓(ya)成(cheng)(cheng)(cheng)形，經2200℃焙烤旋(xuan)段后(hou)鍍一(yi)層銅而制(zhi)(zhi)(zhi)成(cheng)(cheng)(cheng)，常(chang)用(yong)(yong)于高溫(wen)真空爐(lu)(lu)的(de)(de)(de)電(dian)熱體。2、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)塊：即塊狀的(de)(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品(pin)(pin)，主要應用(yong)(yong)于冶金爐(lu)(lu)、電(dian)阻爐(lu)(lu)作爐(lu)(lu)襯和(he)(he)導(dao)(dao)電(dian)材(cai)(cai)料(liao)(liao)(liao)或(huo)者碳化(hua)硅(gui)爐(lu)(lu)、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)化(hua)爐(lu)(lu)等領(ling)域，生(sheng)活(huo)中的(de)(de)(de)鉛筆芯(xin)就是(shi)用(yong)(yong)的(de)(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)塊。3、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)板(ban)：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)板(ban)是(shi)由金屬(shu)芯(xin)板(ban)和(he)(he)柔(rou)性(xing)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)卷材(cai)(cai)復合而成(cheng)(cheng)(cheng)的(de)(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)材(cai)(cai)料(liao)(liao)(liao)，有(you)沖齒型(xing)和(he)(he)粘結(jie)型(xing)二種(zhong)，一(yi)般(ban)用(yong)(yong)來(lai)(lai)沖制(zhi)(zhi)(zhi)各(ge)種(zhong)墊(dian)片(pian)，如(ru)氣(qi)(qi)缸氣(qi)(qi)墊(dian)、排水水位計墊(dian)、法蘭熱片(pian)、閥門中道換墊(dian)器墊(dian)片(pian)等，是(shi)一(yi)種(zhong)適用(yong)(yong)范圍(wei)廣(guang)，密封(feng)性(xing)能強的(de)(de)(de)理想密封(feng)材(cai)(cai)料(liao)(liao)(liao)。4、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)環(huan)：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)環(huan)是(shi)采用(yong)(yong)柔(rou)性(xing)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)帶或(huo)柔(rou)性(xing)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)編制(zhi)(zhi)(zhi)填料(liao)(liao)(liao)，經模(mo)壓(ya)制(zhi)(zhi)(zhi)成(cheng)(cheng)(cheng)不(bu)同尺寸的(de)(de)(de)環(huan)狀產品(pin)(pin)，用(yong)(yong)于壓(ya)縮(suo)機(ji)、機(ji)泵、閥門、化(hua)工(gong)儀器、儀表等，作為(wei)機(ji)械旋(xuan)轉部位的(de)(de)(de)密封(feng)材(cai)(cai)料(liao)(liao)(liao)。5、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟即石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)模(mo)具，本(ben)來(lai)(lai)是(shi)一(yi)種(zhong)載體，可把我(wo)們需要定型(xing)或(huo)者定位的(de)(de)(de)原材(cai)(cai)料(liao)(liao)(liao)及(ji)零部件一(yi)起放進石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)模(mo)具里，經過高溫(wen)燒(shao)結(jie)成(cheng)(cheng)(cheng)型(xing)，之所(suo)以叫石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)舟，主要是(shi)因為(wei)它是(shi)一(yi)個像小船的(de)(de)(de)石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)容器。6、石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)粉：石(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)(mo)(mo)粉是(shi)一(yi)種(zhong)礦物粉末，主要成(cheng)(cheng)(cheng)分為(wei)碳單(dan)質(zhi)，質(zhi)軟，黑(hei)灰色，具有(you)耐高溫(wen)導(dao)(dao)電(dian)性(xing)能，可做耐火材(cai)(cai)料(liao)(liao)(liao)、導(dao)(dao)電(dian)材(cai)(cai)料(liao)(liao)(liao)、耐磨(mo)潤(run)滑材(cai)(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)(shi)(shi)墨(mo)電(dian)(dian)極是一種耐(nai)高(gao)(gao)溫石(shi)(shi)(shi)墨(mo)質導電(dian)(dian)材料，是在電(dian)(dian)弧(hu)(hu)爐(lu)中以電(dian)(dian)弧(hu)(hu)形式(shi)釋放電(dian)(dian)能對(dui)爐(lu)料進行加熱(re)熔化的(de)導體，它主要用于電(dian)(dian)弧(hu)(hu)煉鋼爐(lu)、礦熱(re)電(dian)(dian)爐(lu)、電(dian)(dian)阻爐(lu)等(deng)領域，利用石(shi)(shi)(shi)墨(mo)電(dian)(dian)極向爐(lu)內導入(ru)電(dian)(dian)流(liu)，利用電(dian)(dian)極端部和爐(lu)料之間(jian)引發電(dian)(dian)弧(hu)(hu)所產生的(de)高(gao)(gao)溫熱(re)源(yuan)來(lai)進行冶煉，還可(ke)以用來(lai)制(zhi)備異型石(shi)(shi)(shi)墨(mo)產品。石(shi)(shi)(shi)墨(mo)電(dian)(dian)極具有較強的(de)導電(dian)(dian)性(xing)、導熱(re)性(xing)，較高(gao)(gao)的(de)抗熱(re)振性(xing)能和化學穩定性(xing)能，良好的(de)潤滑性(xing)和抗磨(mo)性(xing)，且加工較容易、比重(zhong)小、加工速度(du)快，因(yin)此(ci)應(ying)用廣泛。