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供应提高锰酸锂性能的纳米二氧化钛
供应提高锰酸锂性能的纳米二氧化钛
来自:宣城晶瑞新材料有限公司
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发布时间:2018-6-16 关注次数:496
产品参数
产品参数
品牌 晶和
规格型号 VK-T30D
编号 齐全
计量单位 公斤
付款方式 款到发货
价格单位 人民币
商品详情

CAS:13463-67-7      

纳米二氧化钛是一种很优异的锂电池原料,因为纳米二氧化钛具有嵌锂容量大,毒性小且能耗低,稳定性好、比容量大、循环稳定性好,没副反应,高环保等特性,作为负极材料具有明显的优点。另外,纳米二氧化钛由于光稳定、无毒等

性能,已成为研究生产光电太阳能转换电池使用最普遍的材料。

主要技术指标:

项目

指标

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      型号

VK-T30D

纳米二氧化钛外观

白色粉末

PH值

6-8

水份, %(105,2hr干燥失重)

≤0.5

平均原级粒径,   nm

20-60

纳米二氧化钛含量,%

≥99.8

表面处理剂

0.2%电池专用处理剂

比表面积,m2/g

60-90

 

应用特点:一、在锂电池中,纳米二氧化钛具有极好的高倍率性能和循环稳定性,快速充放电性能和较高的容量,脱嵌锂可逆性好等特点,在锂电池领域具有很好的应用前景。1)纳米二氧化钛能有效降低锂电池的容量衰减,增加锂电池稳定性,提高电化学性能。2)提高电池材料的首次放电比容量。3)降低了LiCoO2在充放电过程中的极化,使材料具有更高的放电电压及更平稳的放电效果。4)适量的纳米二氧化钛可以疏松状存在,降低了粒子间应力及循环过程中所造成的

结构和体积的微小应变,增加电池的稳定性。

、在化学能太阳能电池中,纳米二氧化钛晶体具有光电转换率高、能很大提高太阳电池的能量转换率、成本廉价、工艺简单及性能稳定的特点。其光电效率稳定在10%以上,制作成本仅为硅太阳电池的1/5~1/10.寿命能达到20年以上。三、在镍镉电池中,纳米二氧化钛具有良好的导电性、宽温度工作范围的特点。

用量:建议添加量0.5-2%。

包装 15公斤/纸桶内衬塑料薄膜袋。

 

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