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)鋰(li)(li)(li)有(you)(you)兩(liang)(liang)種生(sheng)產工(gong)藝(yi)(yi),兩(liang)(liang)種工(gong)藝(yi)(yi)原(yuan)料(liao)不同,生(sheng)產方法(fa)流(liu)程也(ye)會(hui)不同:1、鹽湖鹵水提取:綜合(he)(he)利用(yong)(yong)(yong)(yong)鹵水資(zi)源(yuan),采(cai)用(yong)(yong)(yong)(yong)一(yi)系列(lie)蒸(zheng)(zheng)發結晶結合(he)(he)其(qi)(qi)他提取工(gong)藝(yi)(yi),從鹵水中(zhong)(zhong)(zhong)回(hui)收(shou)鈉、鉀(jia)、硼、溴、碘(dian)等有(you)(you)用(yong)(yong)(yong)(yong)組分(fen)(fen)(fen),再(zai)從最(zui)后(hou)(hou)的(de)(de)(de)(de)母(mu)(mu)(mu)液(ye)(ye)中(zhong)(zhong)(zhong)提鋰(li)(li)(li)。提鋰(li)(li)(li)工(gong)藝(yi)(yi)的(de)(de)(de)(de)關(guan)鍵是(shi)除(chu)去母(mu)(mu)(mu)液(ye)(ye)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)鈣(gai)(gai)(gai)、鎂。(1)傳統方法(fa)是(shi)使用(yong)(yong)(yong)(yong)燒堿(jian)除(chu)鎂,然后(hou)(hou)將(jiang)溶液(ye)(ye)稀釋至氯化(hua)(hua)(hua)鋰(li)(li)(li)低于(yu)13.8克/升(sheng)(sheng),加(jia)(jia)入(ru)純(chun)(chun)(chun)(chun)堿(jian)沉(chen)(chen)(chen)(chen)淀(dian)鈣(gai)(gai)(gai),最(zui)后(hou)(hou)濃(nong)(nong)縮母(mu)(mu)(mu)液(ye)(ye)用(yong)(yong)(yong)(yong)純(chun)(chun)(chun)(chun)堿(jian)沉(chen)(chen)(chen)(chen)淀(dian)碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)。由于(yu)大量(liang)(liang)使用(yong)(yong)(yong)(yong)燒堿(jian)和(he)純(chun)(chun)(chun)(chun)堿(jian)并增加(jia)(jia)蒸(zheng)(zheng)發量(liang)(liang),致(zhi)使鋰(li)(li)(li)鹽產品成本較高。(2)通過(guo)(guo)工(gong)藝(yi)(yi)改革,利用(yong)(yong)(yong)(yong)銀峰鹵水提鋰(li)(li)(li),改用(yong)(yong)(yong)(yong)石(shi)灰乳調(diao)節(jie)pH為11,從鋰(li)(li)(li)離(li)子濃(nong)(nong)度為5克/升(sheng)(sheng)的(de)(de)(de)(de)析鹽母(mu)(mu)(mu)液(ye)(ye)中(zhong)(zhong)(zhong)除(chu)鎂、用(yong)(yong)(yong)(yong)純(chun)(chun)(chun)(chun)堿(jian)除(chu)鈣(gai)(gai)(gai)工(gong)藝(yi)(yi),為提鋰(li)(li)(li)降低成本。(3)目前,從井(jing)鹵經制(zhi)(zhi)鹽后(hou)(hou),提取硼、鉀(jia)、碘(dian)、溴等產品后(hou)(hou),約有(you)(you)80%的(de)(de)(de)(de)鋰(li)(li)(li)留在母(mu)(mu)(mu)液(ye)(ye)中(zhong)(zhong)(zhong),經分(fen)(fen)(fen)步(bu)沉(chen)(chen)(chen)(chen)淀(dian)除(chu)Ca、Mg及(ji)Fe等雜質后(hou)(hou),用(yong)(yong)(yong)(yong)碳(tan)(tan)(tan)酸(suan)鈉沉(chen)(chen)(chen)(chen)淀(dian)得到(dao)碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)。2、礦(kuang)石(shi)提取:礦(kuang)石(shi)提取制(zhi)(zhi)備碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)有(you)(you)多種方法(fa),以常用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)硫酸(suan)法(fa)為例(li)(li),具體工(gong)藝(yi)(yi)流(liu)程如(ru)下:(1)將(jiang)鋰(li)(li)(li)輝(hui)石(shi)或者鋰(li)(li)(li)云(yun)母(mu)(mu)(mu)礦(kuang)石(shi)中(zhong)(zhong)(zhong)進(jin)(jin)行(xing)轉型(xing)焙(bei)燒,經冷(leng)卻后(hou)(hou),輸送至立磨機進(jin)(jin)行(xing)細磨,達到(dao)一(yi)定精礦(kuang)顆粒。(2)磨制(zhi)(zhi)的(de)(de)(de)(de)粉末,與一(yi)定酸(suan)礦(kuang)比(bi)的(de)(de)(de)(de)濃(nong)(nong)硫酸(suan)混合(he)(he),進(jin)(jin)行(xing)酸(suan)化(hua)(hua)(hua)焙(bei)燒。(3)酸(suan)化(hua)(hua)(hua)后(hou)(hou)的(de)(de)(de)(de)酸(suan)熟(shu)料(liao),輸送至調(diao)漿(jiang)槽。(4)制(zhi)(zhi)得的(de)(de)(de)(de)漿(jiang)料(liao)中(zhong)(zhong)(zhong)加(jia)(jia)入(ru)一(yi)定量(liang)(liang)的(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai),進(jin)(jin)行(xing)中(zhong)(zhong)(zhong)性浸出。(5)對(dui)浸出漿(jiang)料(liao)進(jin)(jin)行(xing)過(guo)(guo)濾(lv),收(shou)集(ji)浸出液(ye)(ye),排出渣。(6)對(dui)泥渣進(jin)(jin)行(xing)分(fen)(fen)(fen)離(li)和(he)洗滌操作。(7)在洗滌后(hou)(hou)的(de)(de)(de)(de)硫酸(suan)鋰(li)(li)(li)浸出液(ye)(ye)中(zhong)(zhong)(zhong)加(jia)(jia)入(ru)一(yi)定比(bi)例(li)(li)的(de)(de)(de)(de)石(shi)灰乳和(he)純(chun)(chun)(chun)(chun)堿(jian),讓(rang)(rang)其(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)鎂、鈣(gai)(gai)(gai)鹽進(jin)(jin)行(xing)充(chong)分(fen)(fen)(fen)的(de)(de)(de)(de)沉(chen)(chen)(chen)(chen)淀(dian)。(8)過(guo)(guo)濾(lv)。通過(guo)(guo)采(cai)取一(yi)定的(de)(de)(de)(de)過(guo)(guo)濾(lv)工(gong)藝(yi)(yi),將(jiang)氫(qing)氧化(hua)(hua)(hua)鈣(gai)(gai)(gai)、氫(qing)氧化(hua)(hua)(hua)鎂物質充(chong)分(fen)(fen)(fen)分(fen)(fen)(fen)離(li)。(9)對(dui)濾(lv)液(ye)(ye)進(jin)(jin)行(xing)更加(jia)(jia)充(chong)分(fen)(fen)(fen)的(de)(de)(de)(de)蒸(zheng)(zheng)發和(he)濃(nong)(nong)縮。通過(guo)(guo)在溶液(ye)(ye)中(zhong)(zhong)(zhong)加(jia)(jia)入(ru)一(yi)定量(liang)(liang)的(de)(de)(de)(de)堿(jian)液(ye)(ye),讓(rang)(rang)其(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)充(chong)分(fen)(fen)(fen)進(jin)(jin)行(xing)沉(chen)(chen)(chen)(chen)淀(dian)。(10)在其(qi)(qi)中(zhong)(zhong)(zhong)加(jia)(jia)入(ru)一(yi)定量(liang)(liang)的(de)(de)(de)(de)水分(fen)(fen)(fen),充(chong)分(fen)(fen)(fen)對(dui)其(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)進(jin)(jin)行(xing)分(fen)(fen)(fen)離(li)和(he)洗滌,有(you)(you)效去除(chu)其(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)母(mu)(mu)(mu)液(ye)(ye),經過(guo)(guo)進(jin)(jin)一(yi)步(bu)的(de)(de)(de)(de)干燥后(hou)(hou),制(zhi)(zhi)備得到(dao)碳(tan)(tan)(tan)酸(suan)鋰(li)(li)(li)。
三、電池級碳酸鋰是干什么用的
電(dian)(dian)(dian)池(chi)(chi)(chi)級碳(tan)酸(suan)鋰(li)是(shi)生(sheng)產鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)正極(ji)(ji)材料的(de)(de)核心原(yuan)料,主要(yao)是(shi)作(zuo)(zuo)為生(sheng)產鋰(li)離子電(dian)(dian)(dian)池(chi)(chi)(chi)正極(ji)(ji)材料的(de)(de)關(guan)鍵原(yuan)料使用,像鈷酸(suan)鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)、磷酸(suan)鐵鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)以及(ji)三元電(dian)(dian)(dian)池(chi)(chi)(chi)等的(de)(de)正極(ji)(ji)材料,均(jun)是(shi)以電(dian)(dian)(dian)池(chi)(chi)(chi)級碳(tan)酸(suan)鋰(li)為基礎合成而(er)得(de)。除(chu)此(ci)之外(wai),電(dian)(dian)(dian)池(chi)(chi)(chi)級碳(tan)酸(suan)鋰(li)作(zuo)(zuo)為鋰(li)離子電(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)電(dian)(dian)(dian)解質添加劑,不僅(jin)能夠顯著提高電(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)安全性能,而(er)且可延長使用壽(shou)命。
四、我國碳酸鋰公司分布在哪里
碳酸鋰企(qi)業是從事生(sheng)產碳酸鋰的(de)相(xiang)關公司(si)(si)企(qi)業,從區域(yu)分布(bu)來(lai)看,我國大部分碳酸鋰相(xiang)關企(qi)業主(zhu)要(yao)分布(bu)于青(qing)海(hai)、江(jiang)西、廣東(dong)、四川等地。碳酸鋰公司(si)(si)主(zhu)要(yao)分布(bu)在(zai)這些地方,是因為碳酸鋰產業依賴上(shang)游鋰資源和下游動力(li)電池企(qi)業形成完(wan)整(zheng)產業鏈。其中(zhong),廣東(dong)地區分布(bu)著較多的(de)動力(li)電池和新能源企(qi)業,西藏(zang)、青(qing)海(hai)、四川、江(jiang)西等地有著豐富(fu)優質的(de)上(shang)游鋰資源。總的(de)來(lai)說,碳酸鋰公司(si)(si)區域(yu)集中(zhong)性相(xiang)對較高,在(zai)行業上(shang)下游不斷融合的(de)過程中(zhong),國內(nei)碳酸鋰企(qi)業的(de)市場分布(bu)區域(yu)有望進一步集中(zhong)。