JP5320847B2 - 31p変換多結晶珪素粒子の製造方法 - Google Patents
31p変換多結晶珪素粒子の製造方法 Download PDFInfo
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- JP5320847B2 JP5320847B2 JP2008162973A JP2008162973A JP5320847B2 JP 5320847 B2 JP5320847 B2 JP 5320847B2 JP 2008162973 A JP2008162973 A JP 2008162973A JP 2008162973 A JP2008162973 A JP 2008162973A JP 5320847 B2 JP5320847 B2 JP 5320847B2
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- polycrystalline silicon
- negative electrode
- silicon
- silicon particles
- secondary battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Description
〔請求項1〕
多結晶珪素粒子に、熱中性子束1.0×1016〜1.0×1020/m2・sの中性子を0.5〜20時間照射し、Si中の30Siを核反応により31Pに変換させる工程を含む、上記多結晶珪素粒子のSi中の30Siが31Pに変換した31P変換多結晶珪素粒子であって、珪素粒子のPの含有量が1〜100,000ppmである、非水電解質二次電池負極材用の31P変換多結晶珪素粒子の製造方法。
〔請求項2〕
31P変換多結晶珪素粒子の粉体抵抗が、100kΩ・cm以下であることを特徴とする請求項1記載の31P変換多結晶珪素粒子の製造方法。
〔請求項3〕
多結晶珪素粒子に、熱中性子束1.0×1016〜1.0×1020/m2・sの中性子を0.5〜20時間照射し、Si中の30Siを核反応により31Pに変換させる工程を含む、上記多結晶珪素粒子のSi中の30Siが31Pに変換した31P変換多結晶珪素粒子であって、珪素粒子のPの含有量が1〜100,000ppmである、電気化学キャパシタ負極材用の31P変換多結晶珪素粒子の製造方法。
内温800℃の流動層内に多結晶珪素微粒子を導入し、モノシランを送入することで製造した粒状多結晶珪素(MEMC製)を石英管に充填し、熱中性子束9.6×1017m-2s-1の中性子を12時間照射した。3時間後に取り出し、ジェットミル(ホソカワミクロン社製AFG−100)を用いて分級機の回転数7,200rpmにて粉砕した後、分級機(日清エンジニアリング社製TC−15)にて分級し、D50=10.2μmの多結晶珪素粉末を得た。この粉末をICP発光分析したところ、Pを170ppm含有した。粉体抵抗はソーラトロン社製12608W型を使用し、1〜100,000HzでスキャンしてACインピーダンス法で測定した粉体抵抗は50Ω・cmであった。
負極活物質1と同様にして得られた粒状多結晶珪素を、ジェットミル(ホソカワミクロン社製AFG−100)を用いて分級機の回転数7,200rpmにて粉砕した後、分級機(日清エンジニアリング社製TC−15)にて分級し、D50=9.9μmの多結晶珪素粉末を得た。この粉末のP含有量は0.1ppmであり、抵抗は3.1MΩ・cmであった。
金属珪素塊(ELKEM製)をジョークラッシャーにて粗砕後、ジェットミル(ホソカワミクロン社製AFG−100)を用いて分級機の回転数7,200rpmにて粉砕した後、分級機(日清エンジニアリング社製TC−15)にて分級し、D50=10.2μmの金属珪素粉末を得た。この粉末のP含有量は35ppmで、抵抗は1.2kΩ・cmであった。
リチウムイオン二次電池負極活物質としての評価は、いずれのサンプルも以下の方法・手順にて行った。
まず、得られた負極活物質8.75質量部に人造黒鉛(平均粒子径D50=3μm)0.25質量部を加え、更にアセチレンブラックのN−メチルピロリドン分散物(固形分17.5%)1.4質量部を加え、N−メチルピロリドン4質量部で希釈した。これに結着剤としてポリイミド樹脂(固形分47%)1.6質量部を加え、撹拌してスラリーを得た。このスラリーを50μmのドクターブレードを使用して厚さ12μmの銅箔に塗布し、200℃で2時間乾燥後、60℃のローラープレスにより電極を加圧成形し、最終的には2cm2に打ち抜き、負極成型体とした。
Claims (3)
- 多結晶珪素粒子に、熱中性子束1.0×1016〜1.0×1020/m2・sの中性子を0.5〜20時間照射し、Si中の30Siを核反応により31Pに変換させる工程を含む、上記多結晶珪素粒子のSi中の30Siが31Pに変換した31P変換多結晶珪素粒子であって、珪素粒子のPの含有量が1〜100,000ppmである、非水電解質二次電池負極材用の31P変換多結晶珪素粒子の製造方法。
- 31P変換多結晶珪素粒子の粉体抵抗が、100kΩ・cm以下であることを特徴とする請求項1記載の31P変換多結晶珪素粒子の製造方法。
- 多結晶珪素粒子に、熱中性子束1.0×1016〜1.0×1020/m2・sの中性子を0.5〜20時間照射し、Si中の30Siを核反応により31Pに変換させる工程を含む、上記多結晶珪素粒子のSi中の30Siが31Pに変換した31P変換多結晶珪素粒子であって、珪素粒子のPの含有量が1〜100,000ppmである、電気化学キャパシタ負極材用の31P変換多結晶珪素粒子の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008162973A JP5320847B2 (ja) | 2008-06-23 | 2008-06-23 | 31p変換多結晶珪素粒子の製造方法 |
US12/486,233 US20090317722A1 (en) | 2008-06-23 | 2009-06-17 | Negative electrode material, non-aqueous electrolyte secondary battery, and electrochemical capacitor |
Applications Claiming Priority (1)
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JP2008162973A JP5320847B2 (ja) | 2008-06-23 | 2008-06-23 | 31p変換多結晶珪素粒子の製造方法 |
Publications (2)
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JP2010003610A JP2010003610A (ja) | 2010-01-07 |
JP5320847B2 true JP5320847B2 (ja) | 2013-10-23 |
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JP2008162973A Expired - Fee Related JP5320847B2 (ja) | 2008-06-23 | 2008-06-23 | 31p変換多結晶珪素粒子の製造方法 |
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US (1) | US20090317722A1 (ja) |
JP (1) | JP5320847B2 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10461366B1 (en) | 2010-01-18 | 2019-10-29 | Enevate Corporation | Electrolyte compositions for batteries |
US11380890B2 (en) | 2010-01-18 | 2022-07-05 | Enevate Corporation | Surface modification of silicon particles for electrochemical storage |
US9553303B2 (en) | 2010-01-18 | 2017-01-24 | Enevate Corporation | Silicon particles for battery electrodes |
KR102184848B1 (ko) | 2010-01-18 | 2020-12-02 | 에네베이트 코포레이션 | 전기화학적 축전지용 복합재 박막 |
US20170040598A1 (en) | 2015-08-07 | 2017-02-09 | Enevate Corporation | Surface modification of silicon particles for electrochemical storage |
JP5206758B2 (ja) * | 2010-07-15 | 2013-06-12 | トヨタ自動車株式会社 | 負極材料、金属二次電池、および負極材料の製造方法 |
EP2602848A4 (en) * | 2010-08-02 | 2015-05-20 | Nissan Motor | NEGATIVE ELECTRODE FOR A LITHIUM-ION RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING SAME |
US9166222B2 (en) | 2010-11-02 | 2015-10-20 | Envia Systems, Inc. | Lithium ion batteries with supplemental lithium |
KR101342512B1 (ko) * | 2011-03-17 | 2013-12-17 | 로베르트 보쉬 게엠베하 | 수계 활물질 조성물, 이를 이용하여 제조된 전극 및 리튬 이차 전지 |
JP5542780B2 (ja) * | 2011-11-01 | 2014-07-09 | 信越化学工業株式会社 | 非水電解質二次電池用負極活物質及びその製造方法 |
US10553871B2 (en) | 2012-05-04 | 2020-02-04 | Zenlabs Energy, Inc. | Battery cell engineering and design to reach high energy |
US9780358B2 (en) | 2012-05-04 | 2017-10-03 | Zenlabs Energy, Inc. | Battery designs with high capacity anode materials and cathode materials |
JP5525003B2 (ja) * | 2012-05-07 | 2014-06-18 | 古河電気工業株式会社 | 非水電解質二次電池用負極及びそれを用いた非水電解質二次電池 |
US9025313B2 (en) * | 2012-08-13 | 2015-05-05 | Intel Corporation | Energy storage devices with at least one porous polycrystalline substrate |
CN111370660B (zh) * | 2013-03-13 | 2023-07-14 | 新强能电池公司 | 用于电池电极的硅颗粒 |
US10886526B2 (en) | 2013-06-13 | 2021-01-05 | Zenlabs Energy, Inc. | Silicon-silicon oxide-carbon composites for lithium battery electrodes and methods for forming the composites |
US11476494B2 (en) | 2013-08-16 | 2022-10-18 | Zenlabs Energy, Inc. | Lithium ion batteries with high capacity anode active material and good cycling for consumer electronics |
JP2016100179A (ja) * | 2014-11-20 | 2016-05-30 | 三星電子株式会社Samsung Electronics Co.,Ltd. | リチウムイオン(lithiumion)二次電池用負極活物質、リチウムイオン二次電池用負極活物質の製造方法、リチウムイオン二次電池、及びリチウムイオン二次電池の充電方法 |
EP3721489A1 (en) | 2017-12-07 | 2020-10-14 | Enevate Corporation | Composite comprising silicon carbide and carbon particles |
US11094925B2 (en) | 2017-12-22 | 2021-08-17 | Zenlabs Energy, Inc. | Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance |
JP7279427B2 (ja) * | 2019-03-13 | 2023-05-23 | 株式会社村田製作所 | 振動子及び振動子の製造方法 |
CN111341838B (zh) * | 2020-03-09 | 2021-05-07 | 华东师范大学 | 硅同位素Si-30在抗中高能中子辐射半导体材料或半导体器件的应用 |
US11387443B1 (en) | 2021-11-22 | 2022-07-12 | Enevate Corporation | Silicon based lithium ion battery and improved cycle life of same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5478671A (en) * | 1992-04-24 | 1995-12-26 | Fuji Photo Film Co., Ltd. | Nonaqueous secondary battery |
US5401599A (en) * | 1992-10-02 | 1995-03-28 | Seiko Instruments Inc. | Non-aqueous electrolyte secondary battery and method of producing the same |
JP3079343B2 (ja) * | 1993-07-13 | 2000-08-21 | セイコーインスツルメンツ株式会社 | 非水電解質二次電池及びその製造方法 |
US6066414A (en) * | 1997-07-29 | 2000-05-23 | Sony Corporation | Material of negative electrode and nonaqueous-electrolyte secondary battery using the same |
JP4393610B2 (ja) * | 1999-01-26 | 2010-01-06 | 日本コークス工業株式会社 | リチウム二次電池用負極材料、リチウム二次電池、及び同二次電池の充電方法 |
JP2000243396A (ja) * | 1999-02-23 | 2000-09-08 | Hitachi Ltd | リチウム二次電池とその製造方法及びその負極材並びに電気機器 |
JP2003109590A (ja) * | 2001-09-28 | 2003-04-11 | Mitsubishi Materials Corp | 負極材料及びこれを用いた負極、並びにこの負極を用いた非水電解液リチウム二次電池及びリチウムイオンポリマー二次電池 |
JP4007228B2 (ja) * | 2003-03-31 | 2007-11-14 | 三菱マテリアル株式会社 | リチウム二次電池用負極材料及びその製造方法 |
JP4631717B2 (ja) * | 2006-01-19 | 2011-02-16 | 株式会社Sumco | Igbt用シリコン単結晶ウェーハ及びigbt用シリコン単結晶ウェーハの製造方法 |
-
2008
- 2008-06-23 JP JP2008162973A patent/JP5320847B2/ja not_active Expired - Fee Related
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2009
- 2009-06-17 US US12/486,233 patent/US20090317722A1/en not_active Abandoned
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JP2010003610A (ja) | 2010-01-07 |
US20090317722A1 (en) | 2009-12-24 |
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