专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2009086721A1 VALVE METAL PARTICLES AND THE METHOD FOR PREPARING THE SAME 审中-公开
标题翻译：阀门金属颗粒及其制备方法
公开(公告)号：WO2009086721A1
公开(公告)日：2009-07-16
申请号：PCT/CN2008/001723
申请日：2008-10-13
申请人： NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD. , LI, Bin , PAN, Luntao , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
发明人： LI, Bin , PAN, Luntao , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
IPC分类号： B22F1/00 , B22F9/04 , H01G9/052 , H01G4/008
CPC分类号： H01G9/042 , B22F2998/10 , B22F2999/00 , C22C1/045 , H01G9/0029 , H01G9/052 , H01G9/0525 , B22F9/22 , B22F1/0085 , B22F2201/02
摘要： A method for preparing valve metal particles uniformly containing nitrogen includes: the raw material particles of the valve metal are heated in a nitrogen-containing gas at a temperature of 200°C or less for 2 hours or more. The valve metal particles prepared by above method uniformly contain nitrogen, wherein the difference ratio of nitrogen contents of particles is 20% or less.
摘要翻译：用于制备均匀含氮的阀金属颗粒的方法包括：将阀金属的原料颗粒在含氮气体中在200℃以下的温度下加热2小时以上。通过上述方法制备的阀金属颗粒均匀地含有氮，其中颗粒的氮含量的差异比率为20％以下。

2. 发明申请

WO2007036087A1 METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICLES AND THE METAL PARTICLES PREPARED THEREBY, ANODES MADE FROM THE METAL PARTICLES 审中-公开
标题翻译：金属颗粒和金属颗粒的制备方法及其制备的金属颗粒，金属颗粒产生的阳离子
公开(公告)号：WO2007036087A1
公开(公告)日：2007-04-05
申请号：PCT/CN2006/000184
申请日：2006-01-27
申请人： NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD , HE, Jilin , PAN, Luntao , ZHENG, Aiguo , CHENG, Yuewei , MA, Yuezhong , LIU, Hongdong , YANG, Guoqi , WANG, Chunxiang , WANG, Yanping , ZHENG, Shiping
发明人： HE, Jilin , PAN, Luntao , ZHENG, Aiguo , CHENG, Yuewei , MA, Yuezhong , LIU, Hongdong , YANG, Guoqi , WANG, Chunxiang , WANG, Yanping , ZHENG, Shiping
IPC分类号： B22F1/00 , B22F9/00 , H01G9/042
CPC分类号： B22F1/0096 , B22F2998/00 , B22F2998/10 , B22F2999/00 , H01G9/0525 , B22F9/22 , B22F9/023 , B22F1/0014 , B22F1/0048 , B22F1/0055 , B22F1/0085 , B22F2201/20 , B22F9/04 , B22F2009/042
摘要： A method for spherically granulating and agglomerating metal particles such as tantalum and/or niobium powders is described in the present invention, which includes the steps of: a). comminuting the metal particles to form fine particles having D50 less than 50 µm: b). granulating the comminuted metal particles comprising volatile liquid, for example, tantalum and/or niobium particles comprising volatile liquid, to form wet spherical particles; c). still drying the wet spherical particles and removing volatile liquid to form flowable pre-agglomerated particles with increased bulk density; d). heat treating the pre-agglomerated particles; e). screening the heat treated powder to obtain the flowable agglomerated particles. The present invention provides a flowable spherical agglomerated metal particles, and especially tantalum and/or niobium particles having improved properties. The present agglomerated tantalum powder have a flow rate of at least about 2.0 g/sec, a BET surface area of from about 0.2 to about 6.0 m 2 /g, a FSSS of at least 1.0 µm, a Scott bulk density of from about 1.2 g/cm 3 to about 5.5 g/cm 3 . The present agglomerated niobium powder have a flow rate of at least about 1.0 g/sec, a BET surface area of from about 0.5 to about 8.0 m 2 /g, a FSSS of at least 1.0 µm, a Scott bulk density of from about 0.7 g/cm 3 to about 3.5 g/cm 3 . Said tantalum and/or niobium metal particles have improved pore size distribution of the sintered anodes and increased pellet crush strength. The present invention further provides an electrolytic capacitor anodes made from the tantalum and/or niobium particles according to the present invention having a capacitance of from about 5,000µFV/g to about 300,000µFV/g.
摘要翻译：在本发明中描述了一种用于球形造粒和附聚如钽和/或铌粉末的金属颗粒的方法，其包括以下步骤：a）。粉碎金属颗粒以形成D50小于50μm的细颗粒：b）。将包含挥发性液体的粉碎金属颗粒，例如包含挥发性液体的钽和/或铌颗粒造粒，以形成湿球形颗粒; C）。仍然干燥湿球形颗粒并除去挥发性液体以形成具有增加堆积密度的可流动的预凝聚颗粒; D）。热处理预凝聚的颗粒; E）。筛选热处理粉末以获得可流动的附聚颗粒。本发明提供了一种可流动的球形附聚金属颗粒，特别是具有改进性能的钽和/或铌颗粒。本发明的聚集的钽粉末的流速为至少约2.0g / sec，BET表面积为约0.2至约6.0m 2 / g，FSSS为至少1.0μm，斯托克堆积密度为约1.2g / cm 3至约5.5g / cm 3。本发明的聚集铌粉末的流速为至少约1.0g / sec，BET表面积为约0.5至约8.0m 2 / g，FSSS为至少1.0μm，斯科特堆积密度为约0.7g / cm 3至约3.5g / cm 3。所述钽和/或铌金属颗粒具有改善的烧结阳极的孔径分布和增加的颗粒粉碎强度。本发明进一步提供一种由根据本发明的钽和/或铌颗粒制成的电解电容器阳极，其电容为约5,000μFV/ g至约300,000μFV/ g。

3. 发明申请

WO2009086721A8 VALVE METAL PARTICLES AND THE METHOD FOR PREPARING THE SAME 审中-公开
公开(公告)号：WO2009086721A8
公开(公告)日：2009-07-16
申请号：PCT/CN2008/001723
申请日：2008-10-13
申请人： NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD. , LI, Bin , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
发明人： LI, Bin , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
IPC分类号： B22F1/00 , B22F9/04 , H01G9/052 , H01G4/008
摘要： A method for preparing valve metal particles uniformly containing nitrogen includes: the raw material particles of the valve metal are heated in a nitrogen-containing gas at a temperature of 200°C or less for 2 hours or more. The valve metal particles prepared by above method uniformly contain nitrogen, wherein the difference ratio of nitrogen contents of particles is 20% or less.

4. 发明授权

EP1928620B1 METHOD FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICLES 有权
公开(公告)号：EP1928620B1
公开(公告)日：2020-03-18
申请号：EP06705605.1
申请日：2006-01-27
申请人： Ningxia Orient Tantalum Industry Co., Ltd.
发明人： HE, Jilin , PAN, Luntao , ZHENG, Aiguo , CHENG, Yuewei , MA, Yuezhong , LIU, Hongdong , YANG, Guoqi , WANG, Chunxiang , WANG, Yanping , ZHENG, Shiping
IPC分类号： B22F1/00 , B22F9/00 , H01G9/042 , H01G9/052 , C22C1/04

5. 发明授权

EP2237910B1 VALVE METAL PARTICLES AND THE METHOD FOR PREPARING THE SAME 有权
公开(公告)号：EP2237910B1
公开(公告)日：2020-05-06
申请号：EP08869307.2
申请日：2008-10-13
申请人： Ningxia Orient Tantalum Industry Co., Ltd.
发明人： LI, Bin , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
IPC分类号： H01G9/042 , H01G9/052 , H01G9/00 , B22F1/00 , B22F9/04 , C22B34/24 , C22C1/04

6. 发明公开

EP2237910A1 VALVE METAL PARTICLES AND THE METHOD FOR PREPARING THE SAME 有权
标题翻译：阀金属粒子及其制备方法
公开(公告)号：EP2237910A1
公开(公告)日：2010-10-13
申请号：EP08869307.2
申请日：2008-10-13
申请人： Ningxia Orient Tantalum Industry Co., Ltd.
发明人： LI, Bin , PAN, Luntao , PAN, Luntao , ZHENG, Aiguo , MA, Yuezhong , CHENG, Yuewei , DONG, Xuecheng , ZHANG, Xueqing , WANG, Zhidao , ZHU, Baojun
IPC分类号： B22F1/00 , B22F9/04 , H01G9/052 , H01G4/008
摘要： The present invention relates to valve metal particles uniformly containing nitrogen and a method for preparing the same, and a valve metal green pellet and a sintered pellet made from the particles, and an electrolytic capacitor anode. The present invention provides valve metal particles uniformly containing nitrogen, wherein the difference ratio of nitrogen contents of particles is 20% or less. The present invention provides a process for preparing said valve metal particles uniformly containing nitrogen, wherein the raw material particles of the valve metal were heated in a nitrogen-containing gas at a temperature of 200° C. or less for 2 hours or more. The present invention also provides a valve metal green pellet made from said valve metal particles. The present invention also provides a valve metal sintered pellet.

7. 发明公开

EP1928620A1 METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICLES AND THE METAL PARTICLES PREPARED THEREBY, ANODES MADE FROM THE METAL PARTICLES 有权
标题翻译： METHOD FOR球形造粒和金属的团聚和由此制得的金属颗粒掉金属生产的涂层阳极
公开(公告)号：EP1928620A1
公开(公告)日：2008-06-11
申请号：EP06705605.1
申请日：2006-01-27
申请人： Ningxia Orient Tantalum Industry Co., Ltd.
发明人： HE, Jilin , PAN, Luntao , ZHENG, Aiguo , CHENG, Yuewei , MA, Yuezhong , LIU, Hongdong , YANG, Guoqi , WANG, Chunxiang , WANG, Yanping , ZHENG, Shiping
IPC分类号： B22F1/00 , B22F9/00 , H01G9/042
摘要： A method for spherically granulating and agglomerating metal particles such as tantalum and/or niobium powders is described in the present invention, which includes the steps of: a). comminuting the metal particles to form fine particles having D50 less than 50 μm; b). granulating the comminuted metal particles comprising volatile liquid, for example, tantalum and/or niobium particles comprising volatile liquid, to form wet spherical particles; c). still drying the wet spherical particles and removing volatile liquid to form flowable pre-agglomerated particles with increased bulk density; d). heat treating the pre-agglomerated particles; e). screening the heat treated powder to obtain the flowable agglomerated particles. The present invention provides a flowable spherical agglomerated metal particles, and especially tantalum and/or niobium particles having improved properties. The present agglomerated tantalum powder have a flow rate of at least about 2.0 g/sec, a BET surface area of from about 0.2 to about 6.0 m2/g, a FSSS of at least 1.0 μm, a Scott bulk density of from about 1.2 g/cm3 to about 5.5 g/cm3. The present agglomerated niobium powder have a flow rate of at least about 1.0 g/sec, a BET surface area of from about 0.5 to about 8.0 m2/g, a FSSS of at least 1.0 μm, a Scott bulk density of from about 0.7 g/cm3 to about 3.5 g/cm3. Said tantalum and/or niobium metal particles have improved pore size distribution of the sintered anodes and increased pellet crush strength. The present invention further provides an electrolytic capacitor anodes made from the tantalum and/or niobium particles according to the present invention having a capacitance of from about 5,000 μFV/g to about 300,000 μFV/g.
摘要翻译：一种用于球粒化和聚结的金属颗粒的方法：例如钽和/或铌粉中描述了本发明，其包括以下步骤：a）。粉碎的金属颗粒，以形成具有D50小于50微米的细颗粒; B）。造粒包括挥发性液体，例如钽和/或铌粒子包含挥发性液体，以形成湿的球形颗粒被粉碎的金属颗粒; C）。无声干燥该湿的球状颗粒并除去挥发性液体，以形成具有增加的堆积密度可流动的预附聚的颗粒; D）。热处理所述预附聚的颗粒; E）。筛选所述经热处理的粉末，以获得可流动的附聚颗粒。本发明提供了一种可流动的球形附聚的金属颗粒，和具有改进的性能的爱尤其钽和/或铌粒子。本团聚钽粉末具有至少约2.0克/秒的流速，从约0.2至约6.0平方米/克的BET表面积，一个FSSS至少1.0微米，的斯科特堆积密度从约1.2克 / cm 3至约5.5克/立方厘米。本团聚铌粉末具有至少约1.0克/秒的流动速率，从大约0.5至大约8.0米2 /克的BET表面积，一个FSSS至少1.0微米，的斯科特堆积密度为约0.7克 / cm 3至约3.5克/立方厘米。所述钽和/或铌金属颗粒具有改善的烧结阳极的孔径分布和增加的沉淀压碎强度。本发明进一步提供了从钽和/或铌粒子制成的电解电容器阳极gemäß于具有从约5,000 UFV / g至约300000 UFV / g的电容，本发明。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式