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供應(yīng)提高錳酸鋰性能的納米二氧化鈦
供應(yīng)提高錳酸鋰性能的納米二氧化鈦
產(chǎn)品價(jià)格:
上架日期:2018-06-16 08:34:00
產(chǎn)地:安徽宣城市
發(fā)貨地:安徽宣城市
供應(yīng)數(shù)量:不限
最少起訂:1公斤
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詳細(xì)說(shuō)明

    CAS:13463-67-7      

    納米二氧化鈦是一種很優(yōu)異的鋰電池原料,因?yàn)榧{米二氧化鈦具有嵌鋰容量大,毒性小且能耗低,穩(wěn)定性好、比容量大、循環(huán)穩(wěn)定性好,沒(méi)副反應(yīng),高環(huán)保等特性,作為負(fù)極材料具有明顯的優(yōu)點(diǎn)。另外,納米二氧化鈦由于光穩(wěn)定、無(wú)毒等

    性能,已成為研究生產(chǎn)光電太陽(yáng)能轉(zhuǎn)換電池使用最普遍的材料。

    主要技術(shù)指標(biāo):

    項(xiàng)目

    指標(biāo)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          型號(hào)

    VK-T30D

    納米二氧化鈦外觀

    白色粉末

    PH值

    6-8

    水份, %(105,2hr干燥失重)

    ≤0.5

    平均原級(jí)粒徑,   nm

    20-60

    納米二氧化鈦含量,%

    ≥99.8

    表面處理劑

    0.2%電池專(zhuān)用處理劑

    比表面積,m2/g

    60-90

     

    應(yīng)用特點(diǎn):一、在鋰電池中,納米二氧化鈦具有極好的高倍率性能和循環(huán)穩(wěn)定性,快速充放電性能和較高的容量,脫嵌鋰可逆性好等特點(diǎn),在鋰電池領(lǐng)域具有很好的應(yīng)用前景。1)納米二氧化鈦能有效降低鋰電池的容量衰減,增加鋰電池穩(wěn)定性,提高電化學(xué)性能。2)提高電池材料的首次放電比容量。3)降低了LiCoO2在充放電過(guò)程中的極化,使材料具有更高的放電電壓及更平穩(wěn)的放電效果。4)適量的納米二氧化鈦可以疏松狀存在,降低了粒子間應(yīng)力及循環(huán)過(guò)程中所造成的

    結(jié)構(gòu)和體積的微小應(yīng)變,增加電池的穩(wěn)定性。

    、在化學(xué)能太陽(yáng)能電池中,納米二氧化鈦晶體具有光電轉(zhuǎn)換率高、能很大提高太陽(yáng)電池的能量轉(zhuǎn)換率、成本廉價(jià)、工藝簡(jiǎn)單及性能穩(wěn)定的特點(diǎn)。其光電效率穩(wěn)定在10%以上,制作成本僅為硅太陽(yáng)電池的1/5~1/10.壽命能達(dá)到20年以上。三、在鎳鎘電池中,納米二氧化鈦具有良好的導(dǎo)電性、寬溫度工作范圍的特點(diǎn)。

    用量:建議添加量0.5-2%。

    包裝 15公斤/紙桶內(nèi)襯塑料薄膜袋。

     

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