JP2015518266A - ナノ粒子、永久磁石、モーター及び発電機 - Google Patents
ナノ粒子、永久磁石、モーター及び発電機 Download PDFInfo
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Abstract
Description
図1に示されている本発明によるナノロッド5は、FeCoからなる延伸コア10を含んでいる。このコア10のアスペクト比(縦方向寸法と横方向寸法の比)の値は、約5である。なおここには示されていないが、本明細書に記載されるものに対応する別の実施形態によれば、アスペクト比の値が10である。このコア10には、ナノロッド5のほぼ全ての体積比に相応する部分が割り当てられ、とりわけここでは90%の体積比に相応する部分が割り当てられている。従ってこのコアは、高い磁化をもたらす。
Claims (15)
- 少なくとも1つの延伸コア(10)と、
前記コアを取り囲む少なくとも1つのシェル(20)とを備えたナノ粒子であって、
前記延伸コア(10)は、少なくとも1つの第1の着磁性及び/又は磁化材料を用いて形成されており、
前記シェル(20)は、少なくとも1つの第2の結晶磁気異方性材料を用いて形成されていることを特徴とする、ナノ粒子。 - 前記第1の材料は、少なくとも体積材料として軟磁性である、請求項1記載のナノ粒子。
- 前記第1の材料は、強磁性材料、特にFeを用いて形成され、有利にはFeを含んだ合金及び/又は混合結晶、特にNiFe又はCoFeを用いて形成されている、請求項1又は2記載のナノ粒子。
- 前記第2の材料は、硬質磁性材料である、請求項1から3いずれか1項記載のナノ粒子。
- 前記第2の材料は、結晶磁気異方性材料、有利にはMnBi及び/又はMnAlC及び/又はFePtを用いて形成され、特にFe上へのPtの堆積とその後の加熱処理によって形成される、請求項1から4いずれか1項記載のナノ粒子。
- 前記ナノ粒子は、ナノロッド(5)及び/又はナノワイヤとして構成されている、請求項1から5いずれか1項記載のナノ粒子。
- 前記ナノ粒子の少なくとも1/2の体積比に相応する部分が、前記コア(10)に割り当てられている、請求項1から6いずれか1項記載のナノ粒子。
- 前記ナノ粒子は、腐食、特に酸化から保護するように構成された外側保護層を備えている、請求項1から7いずれか1項記載のナノ粒子。
- 前記シェル(20)は、前記外側保護層の少なくとも一部を形成している、請求項8記載のナノ粒子。
- 前記外側保護層は、前記シェル(20)の外側表面を広範囲に亘って、有利には全面に亘って覆っている、請求項8記載のナノ粒子。
- 前記外側保護層は、自己組織化単分子膜(SAM: Self−assembly Monolayers)によって形成されている、請求項8から10いずれか1項記載のナノ粒子。
- 前記外側保護層は、FePtを用いて形成され、特にFeへのPtの堆積とその後の加熱処理によって形成されている、請求項8から11いずれか1項記載のナノ粒子。
- 請求項1から12いずれか1項記載の複数のナノ粒子(30)を含んでいることを特徴とする永久磁石。
- 前記複数のナノ粒子は、当該ナノ粒子の最長寸法部分の向きが好適な方向になるように配置されている、請求項13記載の永久磁石。
- 請求項13又は14記載の少なくとも1つの永久磁石(40)を備えたモーター又は発電機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012204083.8 | 2012-03-15 | ||
DE102012204083A DE102012204083A1 (de) | 2012-03-15 | 2012-03-15 | Nanopartikel, Permanentmagnet, Motor und Generator |
PCT/EP2013/052659 WO2013135446A1 (de) | 2012-03-15 | 2013-02-11 | Nanopartikel, permanentmagnet, motor und generator |
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JP2015518266A true JP2015518266A (ja) | 2015-06-25 |
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JP2014561339A Pending JP2015518266A (ja) | 2012-03-15 | 2013-02-11 | ナノ粒子、永久磁石、モーター及び発電機 |
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Country | Link |
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US (1) | US20150034856A1 (ja) |
EP (1) | EP2798649A1 (ja) |
JP (1) | JP2015518266A (ja) |
KR (1) | KR20140143405A (ja) |
CN (1) | CN104170032A (ja) |
DE (1) | DE102012204083A1 (ja) |
WO (1) | WO2013135446A1 (ja) |
Families Citing this family (4)
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DE102013221828A1 (de) | 2013-10-28 | 2015-04-30 | Siemens Aktiengesellschaft | Nanoskaliges Magnetkomposit für hochperformante Permanentmagnete |
JP6446817B2 (ja) * | 2014-04-11 | 2019-01-09 | 株式会社Ihi | ナノコンポジット磁石の製造方法 |
DE102015204617A1 (de) * | 2015-03-13 | 2016-09-15 | Siemens Aktiengesellschaft | Anisotroper Hochleistungspermanentmagnet mit optimiertem nanostrukturellem Aufbau und Verfahren zu dessen Herstellung |
CN106533262B (zh) * | 2016-12-27 | 2018-10-12 | 中国人民解放军63908部队 | 自驱动碳基纳米发电机及其制备方法 |
Citations (6)
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JPH07272913A (ja) * | 1994-03-30 | 1995-10-20 | Kawasaki Teitoku Kk | 永久磁石原料、その製造法及び永久磁石 |
JPH10144509A (ja) * | 1996-11-06 | 1998-05-29 | Santoku Kinzoku Kogyo Kk | 永久磁石用粉末並びにその製造方法および該粉末を用いた異方性永久磁石 |
US20040134565A1 (en) * | 2003-01-13 | 2004-07-15 | International Business Machines Corporation | Process of forming magnetic nanocomposites via nanoparticle self-assembly |
JP2006073157A (ja) * | 2004-09-06 | 2006-03-16 | Hitachi Maxell Ltd | 磁気記録媒体及びその製造方法 |
JP2006082182A (ja) * | 2004-09-16 | 2006-03-30 | Tokyo Institute Of Technology | 微粒子配列薄膜の作製方法 |
JP2011032496A (ja) * | 2009-07-29 | 2011-02-17 | Tdk Corp | 磁性材料及び磁石、並びに磁性材料の製造方法 |
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US6962685B2 (en) * | 2002-04-17 | 2005-11-08 | International Business Machines Corporation | Synthesis of magnetite nanoparticles and the process of forming Fe-based nanomaterials |
US7261940B2 (en) * | 2004-12-03 | 2007-08-28 | Los Alamos National Security, Llc | Multifunctional nanocrystals |
US20100054981A1 (en) * | 2007-12-21 | 2010-03-04 | Board Of Regents, The University Of Texas System | Magnetic nanoparticles, bulk nanocomposite magnets, and production thereof |
WO2009117718A1 (en) * | 2008-03-20 | 2009-09-24 | Northeastern University | Direct chemical synthesis of rare earth-transition metal alloy magnetic materials |
US20100216632A1 (en) * | 2009-02-25 | 2010-08-26 | Brookhaven Science Associates, Llc | High Stability, Self-Protecting Electrocatalyst Particles |
CN101692364B (zh) * | 2009-10-12 | 2012-09-05 | 钢铁研究总院 | 硬磁管包覆软磁线型一维纳米永磁材料及其制备方法 |
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2012
- 2012-03-15 DE DE102012204083A patent/DE102012204083A1/de not_active Withdrawn
-
2013
- 2013-02-11 KR KR1020147028802A patent/KR20140143405A/ko not_active Application Discontinuation
- 2013-02-11 WO PCT/EP2013/052659 patent/WO2013135446A1/de active Application Filing
- 2013-02-11 CN CN201380014238.3A patent/CN104170032A/zh active Pending
- 2013-02-11 JP JP2014561339A patent/JP2015518266A/ja active Pending
- 2013-02-11 US US14/383,454 patent/US20150034856A1/en not_active Abandoned
- 2013-02-11 EP EP13704408.7A patent/EP2798649A1/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07272913A (ja) * | 1994-03-30 | 1995-10-20 | Kawasaki Teitoku Kk | 永久磁石原料、その製造法及び永久磁石 |
JPH10144509A (ja) * | 1996-11-06 | 1998-05-29 | Santoku Kinzoku Kogyo Kk | 永久磁石用粉末並びにその製造方法および該粉末を用いた異方性永久磁石 |
US20040134565A1 (en) * | 2003-01-13 | 2004-07-15 | International Business Machines Corporation | Process of forming magnetic nanocomposites via nanoparticle self-assembly |
JP2006073157A (ja) * | 2004-09-06 | 2006-03-16 | Hitachi Maxell Ltd | 磁気記録媒体及びその製造方法 |
JP2006082182A (ja) * | 2004-09-16 | 2006-03-30 | Tokyo Institute Of Technology | 微粒子配列薄膜の作製方法 |
JP2011032496A (ja) * | 2009-07-29 | 2011-02-17 | Tdk Corp | 磁性材料及び磁石、並びに磁性材料の製造方法 |
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CN104170032A (zh) | 2014-11-26 |
US20150034856A1 (en) | 2015-02-05 |
WO2013135446A1 (de) | 2013-09-19 |
KR20140143405A (ko) | 2014-12-16 |
EP2798649A1 (de) | 2014-11-05 |
DE102012204083A1 (de) | 2013-09-19 |
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