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CN111629845A - 钽粉及其制备方法 - Google Patents

钽粉及其制备方法 Download PDF

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Publication number
CN111629845A
CN111629845A CN201780097969.7A CN201780097969A CN111629845A CN 111629845 A CN111629845 A CN 111629845A CN 201780097969 A CN201780097969 A CN 201780097969A CN 111629845 A CN111629845 A CN 111629845A
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powder
tantalum
tantalum powder
mesh
surface area
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CN201780097969.7A
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CN111629845B (zh
Inventor
马海燕
李慧
雒国清
程越伟
赵春霞
陈学清
王治道
林辅坤
杨国启
王宁
马应会
王彦杰
李丽君
张洪刚
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Ningxia Orient Tantalum Industry Co Ltd
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Ningxia Orient Tantalum Industry Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/02—Alloys based on vanadium, niobium, or tantalum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H01G9/0525—Powder therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/20—Refractory metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

一种钽粉、钽粉坯块、钽粉烧结体、钽阳极、电解电容器及钽粉制备方法。该钽粉含有硼元素，且钽粉的比表面积大于或等于4m2/g；钽粉的硼含量与钽粉的比表面积之比为2～16，硼含量按质量ppm计，比表面积按m2/g计；钽粉中通过ρ目的粉末占钽粉总质量的85％以上，ρ＝150～170，该高比容钽粉具有较低的漏电流和损耗，较好的成型性。

Description

PCT国内申请，说明书已公开。

Claims (50)

  1. PCT国内申请，权利要求书已公开。
CN201780097969.7A 2017-12-28 2017-12-28 钽粉及其制备方法 Active CN111629845B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/119324 WO2019127200A1 (zh) 2017-12-28 2017-12-28 钽粉及其制备方法

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CN111629845A true CN111629845A (zh) 2020-09-04
CN111629845B CN111629845B (zh) 2023-06-02

Family

ID=67062861

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Country Status (8)

Country Link
US (1) US11534830B2 (zh)
EP (2) EP3733325B1 (zh)
JP (1) JP6991339B2 (zh)
KR (1) KR102389283B1 (zh)
CN (1) CN111629845B (zh)
IL (1) IL275630B2 (zh)
PT (1) PT3733325T (zh)
WO (1) WO2019127200A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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US12482610B2 (en) * 2022-06-02 2025-11-25 Kemet Electronics Corporation Method of producing a tantalum capacitor anode

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US4645533A (en) * 1984-01-18 1987-02-24 Showa Cabot Supermetals K. K. Tantalum powder and method of making
CN1449316A (zh) * 2000-08-10 2003-10-15 卡伯特超金属株式会社 用于电解电容器的钽烧结体的制造方法
CN1258785C (zh) * 1997-02-19 2006-06-07 H.C.施塔克公司 烧结阳极
WO2006062234A1 (ja) * 2004-12-10 2006-06-15 Cabot Supermetals K.K. 金属粉末および多孔質焼結体の製造方法、金属粉末、およびコンデンサ
CN1263570C (zh) * 2000-06-01 2006-07-12 卡伯特超金属株式会社 铌或钽粉末及其制造方法和成型体
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CN103601242A (zh) * 2013-11-18 2014-02-26 宁夏东方钽业股份有限公司 一种含磷钽粉的制备方法
JP2014098201A (ja) * 2012-11-15 2014-05-29 Global Advanced Metals Japan Kk 窒素含有タンタル粉末およびその製造方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55113807A (en) * 1979-02-23 1980-09-02 Showa K B I Kk Production of tantalum powder
US4645533A (en) * 1984-01-18 1987-02-24 Showa Cabot Supermetals K. K. Tantalum powder and method of making
CN1258785C (zh) * 1997-02-19 2006-06-07 H.C.施塔克公司 烧结阳极
CN1263570C (zh) * 2000-06-01 2006-07-12 卡伯特超金属株式会社 铌或钽粉末及其制造方法和成型体
CN1449316A (zh) * 2000-08-10 2003-10-15 卡伯特超金属株式会社 用于电解电容器的钽烧结体的制造方法
WO2006062234A1 (ja) * 2004-12-10 2006-06-15 Cabot Supermetals K.K. 金属粉末および多孔質焼結体の製造方法、金属粉末、およびコンデンサ
CN102806345A (zh) * 2012-04-19 2012-12-05 潘伦桃 钽粉的造粒装置及造粒制造凝聚钽粉的方法
JP2014098201A (ja) * 2012-11-15 2014-05-29 Global Advanced Metals Japan Kk 窒素含有タンタル粉末およびその製造方法
CN103601242A (zh) * 2013-11-18 2014-02-26 宁夏东方钽业股份有限公司 一种含磷钽粉的制备方法
CN104858436A (zh) * 2014-02-21 2015-08-26 宁夏东方钽业股份有限公司 高可靠高比容电解电容器用钽粉的制备方法

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KR20200099596A (ko) 2020-08-24
JP6991339B2 (ja) 2022-01-14
US20210060654A1 (en) 2021-03-04
EP3733325A4 (en) 2021-07-21
PT3733325T (pt) 2024-06-27
EP3733325A1 (en) 2020-11-04
IL275630B2 (en) 2025-02-01
WO2019127200A1 (zh) 2019-07-04
US11534830B2 (en) 2022-12-27
CN111629845B (zh) 2023-06-02
EP4379763A3 (en) 2024-09-11
EP4379763A2 (en) 2024-06-05
KR102389283B1 (ko) 2022-04-21
IL275630B1 (en) 2024-10-01
IL275630A (en) 2020-08-31
EP3733325B1 (en) 2024-04-17
JP2021510180A (ja) 2021-04-15

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