一、石墨和石墨烯有什么區別
石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)是(shi)一種由碳原(yuan)子以(yi)sp雜化軌道組成六角(jiao)型呈蜂巢晶格的(de)(de)(de)(de)二維(wei)碳納米材(cai)料(liao),是(shi)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)的(de)(de)(de)(de)單(dan)層結構,石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)一層層疊(die)起(qi)來就是(shi)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo),石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)和石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)的(de)(de)(de)(de)區別主(zhu)要有:1、結構不(bu)同(tong)(tong):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)可以(yi)看(kan)成是(shi)單(dan)層的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo),而石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)則是(shi)由多層的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)疊(die)加而成的(de)(de)(de)(de)。2、厚(hou)度(du)不(bu)同(tong)(tong):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)是(shi)單(dan)層碳原(yuan)子,石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)是(shi)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)一層層疊(die)加起(qi)來的(de)(de)(de)(de),石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)的(de)(de)(de)(de)厚(hou)度(du)要比石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)大(da),厚(hou)1毫米的(de)(de)(de)(de)石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)大(da)約包含(han)300萬(wan)層石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)。3、性(xing)能(neng)不(bu)同(tong)(tong):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)和石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)在導電性(xing)、導熱性(xing)、透(tou)光性(xing)以(yi)及硬度(du)等方(fang)便都有較大(da)區別,石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)的(de)(de)(de)(de)性(xing)能(neng)更優。4、應用不(bu)同(tong)(tong):石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)烯(xi)(xi)主(zhu)要應用于(yu)光電產品領域、能(neng)源技術(shu)領域、功能(neng)復(fu)合(he)材(cai)料(liao)、微電子器(qi)件、生物醫藥和傳(chuan)感器(qi)領域;石(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)主(zhu)要應用于(yu)耐火材(cai)料(liao)行(xing)業(ye)、光伏行(xing)業(ye)、高溫冶(ye)金行(xing)業(ye)、原(yuan)子能(neng)工業(ye)和國(guo)防工業(ye)。
二、石墨制品有哪些
石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制品,顧(gu)名思義就是(shi)(shi)(shi)以石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)為原料制作出來(lai)的(de)(de)產品,由于(yu)(yu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)具(ju)有許多優良的(de)(de)性(xing)能(neng),因而(er)應用(yong)廣泛。凡(fan)是(shi)(shi)(shi)用(yong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制成(cheng)(cheng)的(de)(de)都(dou)屬于(yu)(yu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制品,一(yi)(yi)般(ban)常見的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制品主(zhu)(zhu)要有:1、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)棒:由碳(tan)、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)加上(shang)適(shi)當的(de)(de)粘合劑,通過擠壓成(cheng)(cheng)形,經2200℃焙(bei)烤(kao)旋段后鍍一(yi)(yi)層銅而(er)制成(cheng)(cheng),常用(yong)于(yu)(yu)高(gao)溫真空爐(lu)(lu)(lu)的(de)(de)電(dian)熱(re)體(ti)。2、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)塊(kuai):即塊(kuai)狀的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制品,主(zhu)(zhu)要應用(yong)于(yu)(yu)冶金爐(lu)(lu)(lu)、電(dian)阻(zu)爐(lu)(lu)(lu)作爐(lu)(lu)(lu)襯(chen)和導電(dian)材(cai)(cai)(cai)料或(huo)者碳(tan)化(hua)硅(gui)爐(lu)(lu)(lu)、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)化(hua)爐(lu)(lu)(lu)等(deng)領域,生(sheng)活中(zhong)的(de)(de)鉛筆芯就是(shi)(shi)(shi)用(yong)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)塊(kuai)。3、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)板:石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)板是(shi)(shi)(shi)由金屬芯板和柔性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)卷材(cai)(cai)(cai)復合而(er)成(cheng)(cheng)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)材(cai)(cai)(cai)料,有沖(chong)齒型和粘結(jie)型二種(zhong)(zhong),一(yi)(yi)般(ban)用(yong)來(lai)沖(chong)制各種(zhong)(zhong)墊(dian)片,如氣缸氣墊(dian)、排(pai)水水位(wei)(wei)計(ji)墊(dian)、法蘭熱(re)片、閥門中(zhong)道(dao)換墊(dian)器墊(dian)片等(deng),是(shi)(shi)(shi)一(yi)(yi)種(zhong)(zhong)適(shi)用(yong)范圍廣,密封性(xing)能(neng)強的(de)(de)理(li)想密封材(cai)(cai)(cai)料。4、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)環(huan):石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)環(huan)是(shi)(shi)(shi)采用(yong)柔性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)帶(dai)或(huo)柔性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)編制填料,經模(mo)壓制成(cheng)(cheng)不同尺寸的(de)(de)環(huan)狀產品,用(yong)于(yu)(yu)壓縮機、機泵(beng)、閥門、化(hua)工儀器、儀表等(deng),作為機械旋轉部(bu)(bu)位(wei)(wei)的(de)(de)密封材(cai)(cai)(cai)料。5、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟(zhou):石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟(zhou)即石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)模(mo)具(ju),本來(lai)是(shi)(shi)(shi)一(yi)(yi)種(zhong)(zhong)載體(ti),可(ke)(ke)把我們需要定型或(huo)者定位(wei)(wei)的(de)(de)原材(cai)(cai)(cai)料及零(ling)部(bu)(bu)件一(yi)(yi)起放進石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)模(mo)具(ju)里(li),經過高(gao)溫燒結(jie)成(cheng)(cheng)型,之所(suo)以叫石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟(zhou),主(zhu)(zhu)要是(shi)(shi)(shi)因為它是(shi)(shi)(shi)一(yi)(yi)個像小船的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)容器。6、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)粉(fen)(fen):石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)粉(fen)(fen)是(shi)(shi)(shi)一(yi)(yi)種(zhong)(zhong)礦(kuang)物粉(fen)(fen)末,主(zhu)(zhu)要成(cheng)(cheng)分為碳(tan)單質,質軟,黑灰色,具(ju)有耐高(gao)溫導電(dian)性(xing)能(neng),可(ke)(ke)做耐火材(cai)(cai)(cai)料、導電(dian)材(cai)(cai)(cai)料、耐磨潤滑材(cai)(cai)(cai)料。
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)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)極是一種耐高(gao)溫石(shi)(shi)墨(mo)(mo)質導(dao)電(dian)(dian)(dian)(dian)(dian)材料(liao),是在電(dian)(dian)(dian)(dian)(dian)弧(hu)爐(lu)(lu)中以(yi)電(dian)(dian)(dian)(dian)(dian)弧(hu)形式釋放電(dian)(dian)(dian)(dian)(dian)能對爐(lu)(lu)料(liao)進行加(jia)熱(re)熔化的導(dao)體,它主要用于電(dian)(dian)(dian)(dian)(dian)弧(hu)煉(lian)鋼(gang)爐(lu)(lu)、礦熱(re)電(dian)(dian)(dian)(dian)(dian)爐(lu)(lu)、電(dian)(dian)(dian)(dian)(dian)阻爐(lu)(lu)等領域,利用石(shi)(shi)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)極向爐(lu)(lu)內導(dao)入電(dian)(dian)(dian)(dian)(dian)流,利用電(dian)(dian)(dian)(dian)(dian)極端(duan)部(bu)和爐(lu)(lu)料(liao)之間引發電(dian)(dian)(dian)(dian)(dian)弧(hu)所產(chan)生的高(gao)溫熱(re)源(yuan)來(lai)進行冶煉(lian),還(huan)可以(yi)用來(lai)制備異型石(shi)(shi)墨(mo)(mo)產(chan)品(pin)。石(shi)(shi)墨(mo)(mo)電(dian)(dian)(dian)(dian)(dian)極具有較強的導(dao)電(dian)(dian)(dian)(dian)(dian)性(xing)(xing)、導(dao)熱(re)性(xing)(xing),較高(gao)的抗熱(re)振性(xing)(xing)能和化學穩定性(xing)(xing)能,良好(hao)的潤滑性(xing)(xing)和抗磨(mo)性(xing)(xing),且(qie)加(jia)工較容(rong)易、比重小、加(jia)工速度快,因此(ci)應用廣泛。