一、碳酸鋰的價格是多少
碳酸鋰是一種無機化合物,主要用作陶瓷、玻璃、鐵氧體等的原料,元件噴銀漿等,醫學上用以治療精神憂郁癥,大家熟悉的鋰電池,其正極材料鈷酸鋰、錳酸鋰、三元材料及磷酸鐵鋰等就是用電池級碳酸鋰制備出來的,碳酸鋰的市場價格會受到多方面因素的影響,并不是固定的,包括市場需求、政策變化、原料成本、產業鏈下游發展(主要是新能源汽車)等;近年來碳酸鋰的價格高的時候達59萬元/噸,低的時候只有5萬多元一噸。如果您需要采購碳酸鋰的話,建議先來了解一下碳酸鋰十大品牌。
二、碳酸鋰的生產工藝流程
碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)有(you)兩種生產工(gong)藝,兩種工(gong)藝原料(liao)不(bu)同,生產方法(fa)(fa)流程也(ye)會不(bu)同:1、鹽湖鹵水(shui)(shui)提(ti)(ti)取(qu):綜合利(li)用(yong)(yong)鹵水(shui)(shui)資(zi)源,采用(yong)(yong)一(yi)(yi)系列蒸(zheng)發結(jie)(jie)晶結(jie)(jie)合其他提(ti)(ti)取(qu)工(gong)藝,從鹵水(shui)(shui)中(zhong)(zhong)(zhong)(zhong)回收鈉、鉀、硼、溴、碘等有(you)用(yong)(yong)組(zu)分(fen)(fen),再從最(zui)后(hou)(hou)的(de)(de)(de)母(mu)(mu)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)提(ti)(ti)鋰(li)。提(ti)(ti)鋰(li)工(gong)藝的(de)(de)(de)關鍵是除(chu)去母(mu)(mu)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)鈣(gai)、鎂。(1)傳統(tong)方法(fa)(fa)是使(shi)用(yong)(yong)燒堿(jian)(jian)除(chu)鎂,然后(hou)(hou)將溶(rong)液(ye)(ye)(ye)(ye)稀釋至氯(lv)化(hua)鋰(li)低于(yu)13.8克(ke)/升,加入(ru)純(chun)(chun)堿(jian)(jian)沉(chen)淀鈣(gai),最(zui)后(hou)(hou)濃(nong)(nong)縮母(mu)(mu)液(ye)(ye)(ye)(ye)用(yong)(yong)純(chun)(chun)堿(jian)(jian)沉(chen)淀碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)。由于(yu)大(da)量(liang)使(shi)用(yong)(yong)燒堿(jian)(jian)和(he)純(chun)(chun)堿(jian)(jian)并增加蒸(zheng)發量(liang),致使(shi)鋰(li)鹽產品(pin)成本較高。(2)通過(guo)工(gong)藝改(gai)(gai)革,利(li)用(yong)(yong)銀峰鹵水(shui)(shui)提(ti)(ti)鋰(li),改(gai)(gai)用(yong)(yong)石灰乳調(diao)節pH為11,從鋰(li)離(li)子濃(nong)(nong)度為5克(ke)/升的(de)(de)(de)析鹽母(mu)(mu)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)除(chu)鎂、用(yong)(yong)純(chun)(chun)堿(jian)(jian)除(chu)鈣(gai)工(gong)藝,為提(ti)(ti)鋰(li)降(jiang)低成本。(3)目前,從井(jing)鹵經制(zhi)(zhi)鹽后(hou)(hou),提(ti)(ti)取(qu)硼、鉀、碘、溴等產品(pin)后(hou)(hou),約有(you)80%的(de)(de)(de)鋰(li)留在母(mu)(mu)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong),經分(fen)(fen)步沉(chen)淀除(chu)Ca、Mg及Fe等雜質(zhi)后(hou)(hou),用(yong)(yong)碳(tan)(tan)(tan)酸(suan)(suan)鈉沉(chen)淀得(de)(de)到碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)。2、礦石提(ti)(ti)取(qu):礦石提(ti)(ti)取(qu)制(zhi)(zhi)備碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)有(you)多(duo)種方法(fa)(fa),以常用(yong)(yong)的(de)(de)(de)硫酸(suan)(suan)法(fa)(fa)為例,具體工(gong)藝流程如下:(1)將鋰(li)輝石或者鋰(li)云母(mu)(mu)礦石中(zhong)(zhong)(zhong)(zhong)進(jin)(jin)(jin)行轉型焙(bei)燒,經冷卻后(hou)(hou),輸送(song)至立磨(mo)機進(jin)(jin)(jin)行細磨(mo),達到一(yi)(yi)定(ding)(ding)精礦顆粒。(2)磨(mo)制(zhi)(zhi)的(de)(de)(de)粉末,與一(yi)(yi)定(ding)(ding)酸(suan)(suan)礦比的(de)(de)(de)濃(nong)(nong)硫酸(suan)(suan)混合,進(jin)(jin)(jin)行酸(suan)(suan)化(hua)焙(bei)燒。(3)酸(suan)(suan)化(hua)后(hou)(hou)的(de)(de)(de)酸(suan)(suan)熟(shu)料(liao),輸送(song)至調(diao)漿(jiang)槽。(4)制(zhi)(zhi)得(de)(de)的(de)(de)(de)漿(jiang)料(liao)中(zhong)(zhong)(zhong)(zhong)加入(ru)一(yi)(yi)定(ding)(ding)量(liang)的(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)鈣(gai),進(jin)(jin)(jin)行中(zhong)(zhong)(zhong)(zhong)性浸(jin)出。(5)對浸(jin)出漿(jiang)料(liao)進(jin)(jin)(jin)行過(guo)濾(lv),收集(ji)浸(jin)出液(ye)(ye)(ye)(ye),排出渣。(6)對泥(ni)渣進(jin)(jin)(jin)行分(fen)(fen)離(li)和(he)洗(xi)(xi)滌(di)操作。(7)在洗(xi)(xi)滌(di)后(hou)(hou)的(de)(de)(de)硫酸(suan)(suan)鋰(li)浸(jin)出液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)加入(ru)一(yi)(yi)定(ding)(ding)比例的(de)(de)(de)石灰乳和(he)純(chun)(chun)堿(jian)(jian),讓其中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)鎂、鈣(gai)鹽進(jin)(jin)(jin)行充(chong)(chong)分(fen)(fen)的(de)(de)(de)沉(chen)淀。(8)過(guo)濾(lv)。通過(guo)采取(qu)一(yi)(yi)定(ding)(ding)的(de)(de)(de)過(guo)濾(lv)工(gong)藝,將氫氧(yang)化(hua)鈣(gai)、氫氧(yang)化(hua)鎂物(wu)質(zhi)充(chong)(chong)分(fen)(fen)分(fen)(fen)離(li)。(9)對濾(lv)液(ye)(ye)(ye)(ye)進(jin)(jin)(jin)行更(geng)加充(chong)(chong)分(fen)(fen)的(de)(de)(de)蒸(zheng)發和(he)濃(nong)(nong)縮。通過(guo)在溶(rong)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)(zhong)加入(ru)一(yi)(yi)定(ding)(ding)量(liang)的(de)(de)(de)堿(jian)(jian)液(ye)(ye)(ye)(ye),讓其中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)充(chong)(chong)分(fen)(fen)進(jin)(jin)(jin)行沉(chen)淀。(10)在其中(zhong)(zhong)(zhong)(zhong)加入(ru)一(yi)(yi)定(ding)(ding)量(liang)的(de)(de)(de)水(shui)(shui)分(fen)(fen),充(chong)(chong)分(fen)(fen)對其中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)進(jin)(jin)(jin)行分(fen)(fen)離(li)和(he)洗(xi)(xi)滌(di),有(you)效去除(chu)其中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)母(mu)(mu)液(ye)(ye)(ye)(ye),經過(guo)進(jin)(jin)(jin)一(yi)(yi)步的(de)(de)(de)干燥后(hou)(hou),制(zhi)(zhi)備得(de)(de)到碳(tan)(tan)(tan)酸(suan)(suan)鋰(li)。
三、電池級碳酸鋰是干什么用的
電(dian)(dian)(dian)池(chi)(chi)級碳酸(suan)(suan)鋰(li)是生(sheng)產鋰(li)電(dian)(dian)(dian)池(chi)(chi)正極(ji)材料(liao)(liao)的(de)(de)核心(xin)原料(liao)(liao),主要是作(zuo)為生(sheng)產鋰(li)離子電(dian)(dian)(dian)池(chi)(chi)正極(ji)材料(liao)(liao)的(de)(de)關鍵原料(liao)(liao)使(shi)(shi)用,像鈷(gu)酸(suan)(suan)鋰(li)電(dian)(dian)(dian)池(chi)(chi)、磷酸(suan)(suan)鐵(tie)鋰(li)電(dian)(dian)(dian)池(chi)(chi)以及三元(yuan)電(dian)(dian)(dian)池(chi)(chi)等(deng)的(de)(de)正極(ji)材料(liao)(liao),均是以電(dian)(dian)(dian)池(chi)(chi)級碳酸(suan)(suan)鋰(li)為基礎合(he)成而得。除此之外(wai),電(dian)(dian)(dian)池(chi)(chi)級碳酸(suan)(suan)鋰(li)作(zuo)為鋰(li)離子電(dian)(dian)(dian)池(chi)(chi)的(de)(de)電(dian)(dian)(dian)解質(zhi)添加劑(ji),不僅能夠顯著提高電(dian)(dian)(dian)池(chi)(chi)的(de)(de)安全性能,而且(qie)可延(yan)長使(shi)(shi)用壽命(ming)。
四、我國碳酸鋰公司分布在哪里
碳(tan)(tan)酸(suan)(suan)鋰(li)企(qi)業(ye)是從事(shi)生產碳(tan)(tan)酸(suan)(suan)鋰(li)的(de)相關(guan)公(gong)司企(qi)業(ye),從區(qu)域(yu)分布來看,我國大部(bu)分碳(tan)(tan)酸(suan)(suan)鋰(li)相關(guan)企(qi)業(ye)主要分布于青海、江西、廣東、四(si)(si)川(chuan)等地(di)。碳(tan)(tan)酸(suan)(suan)鋰(li)公(gong)司主要分布在(zai)這些地(di)方,是因為碳(tan)(tan)酸(suan)(suan)鋰(li)產業(ye)依賴上(shang)游(you)鋰(li)資(zi)源(yuan)和(he)下游(you)動力(li)電(dian)池企(qi)業(ye)形成完(wan)整產業(ye)鏈。其中,廣東地(di)區(qu)分布著較(jiao)多(duo)的(de)動力(li)電(dian)池和(he)新能(neng)源(yuan)企(qi)業(ye),西藏、青海、四(si)(si)川(chuan)、江西等地(di)有著豐富優質(zhi)的(de)上(shang)游(you)鋰(li)資(zi)源(yuan)。總的(de)來說(shuo),碳(tan)(tan)酸(suan)(suan)鋰(li)公(gong)司區(qu)域(yu)集中性相對較(jiao)高,在(zai)行業(ye)上(shang)下游(you)不斷融合的(de)過(guo)程(cheng)中,國內碳(tan)(tan)酸(suan)(suan)鋰(li)企(qi)業(ye)的(de)市場(chang)分布區(qu)域(yu)有望(wang)進一步集中。