一、石墨和石墨烯有什么區別
石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)是一(yi)(yi)(yi)種由碳(tan)(tan)原子以(yi)(yi)sp雜化(hua)軌道組成六角(jiao)型呈蜂巢(chao)晶格(ge)的(de)(de)二維碳(tan)(tan)納米材料(liao),是石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)單(dan)層(ceng)結構,石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)一(yi)(yi)(yi)層(ceng)層(ceng)疊起(qi)來就是石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo),石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)和石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)區別主(zhu)要有(you):1、結構不同:石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)可以(yi)(yi)看成是單(dan)層(ceng)的(de)(de)石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo),而石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)則(ze)是由多層(ceng)的(de)(de)石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)疊加而成的(de)(de)。2、厚度不同:石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)是單(dan)層(ceng)碳(tan)(tan)原子,石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)是石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)一(yi)(yi)(yi)層(ceng)層(ceng)疊加起(qi)來的(de)(de),石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)的(de)(de)厚度要比(bi)石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)大,厚1毫米的(de)(de)石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)大約包含300萬層(ceng)石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)。3、性(xing)能(neng)不同:石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)和石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)在(zai)導電性(xing)、導熱性(xing)、透光性(xing)以(yi)(yi)及硬(ying)度等方便都有(you)較大區別,石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)的(de)(de)性(xing)能(neng)更優。4、應用不同:石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)烯(xi)(xi)(xi)主(zhu)要應用于光電產(chan)品領域、能(neng)源技術領域、功(gong)能(neng)復(fu)合材料(liao)、微電子器件、生(sheng)物醫藥(yao)和傳感器領域;石(shi)(shi)墨(mo)(mo)(mo)(mo)(mo)主(zhu)要應用于耐火材料(liao)行業、光伏(fu)行業、高溫(wen)冶金行業、原子能(neng)工業和國(guo)防(fang)工業。
二、石墨制品有哪些
石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)制品(pin)(pin)(pin),顧名思義就是(shi)(shi)以石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)為(wei)原料(liao)(liao)(liao)(liao)制作出來的(de)(de)(de)(de)產(chan)品(pin)(pin)(pin),由(you)于(yu)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)具有許(xu)多優良的(de)(de)(de)(de)性(xing)能,因而應用(yong)(yong)廣(guang)泛。凡是(shi)(shi)用(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)制成(cheng)的(de)(de)(de)(de)都屬于(yu)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)制品(pin)(pin)(pin),一(yi)(yi)(yi)般常見的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)制品(pin)(pin)(pin)主要(yao)(yao)有:1、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)棒:由(you)碳(tan)、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)加上適當的(de)(de)(de)(de)粘(zhan)合劑,通過擠(ji)壓(ya)(ya)成(cheng)形,經2200℃焙(bei)烤(kao)旋段后(hou)鍍一(yi)(yi)(yi)層銅而制成(cheng),常用(yong)(yong)于(yu)高(gao)溫(wen)真(zhen)空(kong)爐(lu)的(de)(de)(de)(de)電(dian)(dian)熱(re)體(ti)。2、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)塊:即塊狀的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)制品(pin)(pin)(pin),主要(yao)(yao)應用(yong)(yong)于(yu)冶金(jin)爐(lu)、電(dian)(dian)阻爐(lu)作爐(lu)襯(chen)和導電(dian)(dian)材(cai)(cai)料(liao)(liao)(liao)(liao)或者碳(tan)化(hua)硅(gui)爐(lu)、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)化(hua)爐(lu)等領域(yu),生活中(zhong)(zhong)的(de)(de)(de)(de)鉛筆芯(xin)就是(shi)(shi)用(yong)(yong)的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)塊。3、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)板:石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)板是(shi)(shi)由(you)金(jin)屬芯(xin)板和柔(rou)(rou)性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)卷材(cai)(cai)復合而成(cheng)的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)材(cai)(cai)料(liao)(liao)(liao)(liao),有沖齒(chi)型和粘(zhan)結型二種(zhong)(zhong),一(yi)(yi)(yi)般用(yong)(yong)來沖制各種(zhong)(zhong)墊片,如氣缸氣墊、排水(shui)水(shui)位計墊、法蘭熱(re)片、閥門中(zhong)(zhong)道換(huan)墊器墊片等,是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)適用(yong)(yong)范圍(wei)廣(guang),密(mi)封(feng)性(xing)能強的(de)(de)(de)(de)理想密(mi)封(feng)材(cai)(cai)料(liao)(liao)(liao)(liao)。4、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)環:石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)環是(shi)(shi)采用(yong)(yong)柔(rou)(rou)性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)帶(dai)或柔(rou)(rou)性(xing)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)編制填料(liao)(liao)(liao)(liao),經模壓(ya)(ya)制成(cheng)不同尺寸的(de)(de)(de)(de)環狀產(chan)品(pin)(pin)(pin),用(yong)(yong)于(yu)壓(ya)(ya)縮機、機泵、閥門、化(hua)工儀器、儀表等,作為(wei)機械旋轉部位的(de)(de)(de)(de)密(mi)封(feng)材(cai)(cai)料(liao)(liao)(liao)(liao)。5、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)舟(zhou)(zhou):石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)舟(zhou)(zhou)即石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)模具,本來是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)載(zai)體(ti),可把(ba)我們需要(yao)(yao)定(ding)型或者定(ding)位的(de)(de)(de)(de)原材(cai)(cai)料(liao)(liao)(liao)(liao)及零部件(jian)一(yi)(yi)(yi)起放進石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)模具里,經過高(gao)溫(wen)燒結成(cheng)型,之所以叫(jiao)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)舟(zhou)(zhou),主要(yao)(yao)是(shi)(shi)因為(wei)它是(shi)(shi)一(yi)(yi)(yi)個像小船的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)容(rong)器。6、石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)粉:石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)粉是(shi)(shi)一(yi)(yi)(yi)種(zhong)(zhong)礦(kuang)物(wu)粉末(mo),主要(yao)(yao)成(cheng)分為(wei)碳(tan)單質,質軟,黑灰色(se),具有耐(nai)高(gao)溫(wen)導電(dian)(dian)性(xing)能,可做耐(nai)火材(cai)(cai)料(liao)(liao)(liao)(liao)、導電(dian)(dian)材(cai)(cai)料(liao)(liao)(liao)(liao)、耐(nai)磨潤(run)滑材(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(shi)(shi)墨電(dian)極(ji)是(shi)一種(zhong)耐高溫石(shi)(shi)墨質導(dao)電(dian)材(cai)料,是(shi)在電(dian)弧(hu)爐(lu)中以(yi)電(dian)弧(hu)形式釋放電(dian)能(neng)對(dui)爐(lu)料進行加熱(re)熔化的導(dao)體,它(ta)主要用(yong)于(yu)電(dian)弧(hu)煉(lian)鋼爐(lu)、礦熱(re)電(dian)爐(lu)、電(dian)阻爐(lu)等領域(yu),利用(yong)石(shi)(shi)墨電(dian)極(ji)向(xiang)爐(lu)內導(dao)入電(dian)流,利用(yong)電(dian)極(ji)端(duan)部和爐(lu)料之間引(yin)發電(dian)弧(hu)所產生的高溫熱(re)源來(lai)進行冶(ye)煉(lian),還可(ke)以(yi)用(yong)來(lai)制備異型石(shi)(shi)墨產品。石(shi)(shi)墨電(dian)極(ji)具有較(jiao)強的導(dao)電(dian)性(xing)、導(dao)熱(re)性(xing),較(jiao)高的抗熱(re)振性(xing)能(neng)和化學(xue)穩定性(xing)能(neng),良好的潤(run)滑(hua)性(xing)和抗磨(mo)性(xing),且加工(gong)較(jiao)容(rong)易(yi)、比(bi)重(zhong)小(xiao)、加工(gong)速(su)度快,因此應用(yong)廣泛。