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)(suan)(suan)鋰(li)(li)有(you)兩(liang)(liang)種生產工藝(yi),兩(liang)(liang)種工藝(yi)原料不(bu)同,生產方(fang)法流程也會不(bu)同:1、鹽(yan)(yan)湖鹵(lu)水(shui)提(ti)(ti)(ti)取(qu):綜合(he)利用鹵(lu)水(shui)資源,采(cai)用一(yi)系列蒸(zheng)發(fa)結(jie)晶結(jie)合(he)其他提(ti)(ti)(ti)取(qu)工藝(yi),從(cong)(cong)鹵(lu)水(shui)中(zhong)(zhong)(zhong)回收鈉、鉀(jia)、硼、溴、碘等(deng)有(you)用組分(fen)(fen),再(zai)從(cong)(cong)最(zui)后的(de)(de)(de)(de)(de)(de)母液(ye)(ye)(ye)中(zhong)(zhong)(zhong)提(ti)(ti)(ti)鋰(li)(li)。提(ti)(ti)(ti)鋰(li)(li)工藝(yi)的(de)(de)(de)(de)(de)(de)關(guan)鍵是除去母液(ye)(ye)(ye)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)鈣(gai)(gai)、鎂(mei)。(1)傳統方(fang)法是使(shi)用燒堿(jian)(jian)(jian)除鎂(mei),然后將溶液(ye)(ye)(ye)稀釋(shi)至(zhi)氯(lv)化(hua)(hua)鋰(li)(li)低(di)于13.8克/升(sheng),加(jia)入(ru)純堿(jian)(jian)(jian)沉(chen)淀鈣(gai)(gai),最(zui)后濃縮(suo)母液(ye)(ye)(ye)用純堿(jian)(jian)(jian)沉(chen)淀碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)。由于大量(liang)使(shi)用燒堿(jian)(jian)(jian)和(he)(he)純堿(jian)(jian)(jian)并增加(jia)蒸(zheng)發(fa)量(liang),致使(shi)鋰(li)(li)鹽(yan)(yan)產品(pin)成(cheng)本(ben)(ben)較高。(2)通過(guo)(guo)工藝(yi)改(gai)革(ge),利用銀峰鹵(lu)水(shui)提(ti)(ti)(ti)鋰(li)(li),改(gai)用石(shi)(shi)灰(hui)乳調(diao)節pH為11,從(cong)(cong)鋰(li)(li)離(li)子濃度為5克/升(sheng)的(de)(de)(de)(de)(de)(de)析鹽(yan)(yan)母液(ye)(ye)(ye)中(zhong)(zhong)(zhong)除鎂(mei)、用純堿(jian)(jian)(jian)除鈣(gai)(gai)工藝(yi),為提(ti)(ti)(ti)鋰(li)(li)降低(di)成(cheng)本(ben)(ben)。(3)目前(qian),從(cong)(cong)井(jing)鹵(lu)經制(zhi)(zhi)鹽(yan)(yan)后,提(ti)(ti)(ti)取(qu)硼、鉀(jia)、碘、溴等(deng)產品(pin)后,約有(you)80%的(de)(de)(de)(de)(de)(de)鋰(li)(li)留在(zai)母液(ye)(ye)(ye)中(zhong)(zhong)(zhong),經分(fen)(fen)步(bu)沉(chen)淀除Ca、Mg及Fe等(deng)雜質后,用碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鈉沉(chen)淀得(de)到碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)。2、礦(kuang)石(shi)(shi)提(ti)(ti)(ti)取(qu):礦(kuang)石(shi)(shi)提(ti)(ti)(ti)取(qu)制(zhi)(zhi)備(bei)碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)有(you)多(duo)種方(fang)法,以常(chang)用的(de)(de)(de)(de)(de)(de)硫酸(suan)(suan)(suan)(suan)法為例(li),具體工藝(yi)流程如(ru)下:(1)將鋰(li)(li)輝石(shi)(shi)或者鋰(li)(li)云母礦(kuang)石(shi)(shi)中(zhong)(zhong)(zhong)進(jin)行(xing)(xing)轉型(xing)焙燒,經冷(leng)卻后,輸送至(zhi)立磨機進(jin)行(xing)(xing)細磨,達到一(yi)定(ding)精礦(kuang)顆粒。(2)磨制(zhi)(zhi)的(de)(de)(de)(de)(de)(de)粉末,與一(yi)定(ding)酸(suan)(suan)(suan)(suan)礦(kuang)比的(de)(de)(de)(de)(de)(de)濃硫酸(suan)(suan)(suan)(suan)混合(he),進(jin)行(xing)(xing)酸(suan)(suan)(suan)(suan)化(hua)(hua)焙燒。(3)酸(suan)(suan)(suan)(suan)化(hua)(hua)后的(de)(de)(de)(de)(de)(de)酸(suan)(suan)(suan)(suan)熟料,輸送至(zhi)調(diao)漿(jiang)(jiang)槽(cao)。(4)制(zhi)(zhi)得(de)的(de)(de)(de)(de)(de)(de)漿(jiang)(jiang)料中(zhong)(zhong)(zhong)加(jia)入(ru)一(yi)定(ding)量(liang)的(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鈣(gai)(gai),進(jin)行(xing)(xing)中(zhong)(zhong)(zhong)性浸(jin)(jin)出(chu)(chu)。(5)對浸(jin)(jin)出(chu)(chu)漿(jiang)(jiang)料進(jin)行(xing)(xing)過(guo)(guo)濾,收集浸(jin)(jin)出(chu)(chu)液(ye)(ye)(ye),排(pai)出(chu)(chu)渣(zha)。(6)對泥渣(zha)進(jin)行(xing)(xing)分(fen)(fen)離(li)和(he)(he)洗(xi)滌操作。(7)在(zai)洗(xi)滌后的(de)(de)(de)(de)(de)(de)硫酸(suan)(suan)(suan)(suan)鋰(li)(li)浸(jin)(jin)出(chu)(chu)液(ye)(ye)(ye)中(zhong)(zhong)(zhong)加(jia)入(ru)一(yi)定(ding)比例(li)的(de)(de)(de)(de)(de)(de)石(shi)(shi)灰(hui)乳和(he)(he)純堿(jian)(jian)(jian),讓(rang)其中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)鎂(mei)、鈣(gai)(gai)鹽(yan)(yan)進(jin)行(xing)(xing)充分(fen)(fen)的(de)(de)(de)(de)(de)(de)沉(chen)淀。(8)過(guo)(guo)濾。通過(guo)(guo)采(cai)取(qu)一(yi)定(ding)的(de)(de)(de)(de)(de)(de)過(guo)(guo)濾工藝(yi),將氫(qing)氧化(hua)(hua)鈣(gai)(gai)、氫(qing)氧化(hua)(hua)鎂(mei)物質充分(fen)(fen)分(fen)(fen)離(li)。(9)對濾液(ye)(ye)(ye)進(jin)行(xing)(xing)更加(jia)充分(fen)(fen)的(de)(de)(de)(de)(de)(de)蒸(zheng)發(fa)和(he)(he)濃縮(suo)。通過(guo)(guo)在(zai)溶液(ye)(ye)(ye)中(zhong)(zhong)(zhong)加(jia)入(ru)一(yi)定(ding)量(liang)的(de)(de)(de)(de)(de)(de)堿(jian)(jian)(jian)液(ye)(ye)(ye),讓(rang)其中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)充分(fen)(fen)進(jin)行(xing)(xing)沉(chen)淀。(10)在(zai)其中(zhong)(zhong)(zhong)加(jia)入(ru)一(yi)定(ding)量(liang)的(de)(de)(de)(de)(de)(de)水(shui)分(fen)(fen),充分(fen)(fen)對其中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)進(jin)行(xing)(xing)分(fen)(fen)離(li)和(he)(he)洗(xi)滌,有(you)效(xiao)去除其中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)母液(ye)(ye)(ye),經過(guo)(guo)進(jin)一(yi)步(bu)的(de)(de)(de)(de)(de)(de)干燥后,制(zhi)(zhi)備(bei)得(de)到碳(tan)(tan)(tan)酸(suan)(suan)(suan)(suan)鋰(li)(li)。
三、電池級碳酸鋰是干什么用的
電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)級(ji)碳(tan)(tan)酸鋰(li)(li)是生產(chan)鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)正極材料的(de)(de)核心原料,主要是作為生產(chan)鋰(li)(li)離子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)正極材料的(de)(de)關鍵原料使用,像鈷酸鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)、磷酸鐵鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)以及三元電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)等的(de)(de)正極材料,均(jun)是以電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)級(ji)碳(tan)(tan)酸鋰(li)(li)為基礎合成而(er)得。除此之外,電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)級(ji)碳(tan)(tan)酸鋰(li)(li)作為鋰(li)(li)離子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)解質添加劑,不僅能夠顯著提高電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)安全性(xing)能,而(er)且可延長使用壽命。
四、我國碳酸鋰公司分布在哪里
碳(tan)(tan)酸鋰(li)企(qi)業(ye)(ye)是(shi)從事生產(chan)(chan)碳(tan)(tan)酸鋰(li)的相關公司(si)企(qi)業(ye)(ye),從區域(yu)分布來看,我國(guo)(guo)大部(bu)分碳(tan)(tan)酸鋰(li)相關企(qi)業(ye)(ye)主要(yao)分布于青海、江西(xi)、廣東(dong)、四川等(deng)地(di)(di)。碳(tan)(tan)酸鋰(li)公司(si)主要(yao)分布在(zai)這些地(di)(di)方,是(shi)因為碳(tan)(tan)酸鋰(li)產(chan)(chan)業(ye)(ye)依(yi)賴上(shang)游(you)鋰(li)資源(yuan)(yuan)和下游(you)動力電池企(qi)業(ye)(ye)形成完整產(chan)(chan)業(ye)(ye)鏈。其中(zhong)(zhong),廣東(dong)地(di)(di)區分布著較多的動力電池和新能源(yuan)(yuan)企(qi)業(ye)(ye),西(xi)藏、青海、四川、江西(xi)等(deng)地(di)(di)有(you)著豐(feng)富優(you)質的上(shang)游(you)鋰(li)資源(yuan)(yuan)。總(zong)的來說,碳(tan)(tan)酸鋰(li)公司(si)區域(yu)集中(zhong)(zhong)性相對較高(gao),在(zai)行業(ye)(ye)上(shang)下游(you)不(bu)斷融合的過程中(zhong)(zhong),國(guo)(guo)內碳(tan)(tan)酸鋰(li)企(qi)業(ye)(ye)的市場(chang)分布區域(yu)有(you)望進(jin)一步集中(zhong)(zhong)。