JP6153136B2 - 炭素存在下での粉砕によるLi4Ti5O12をベースとする材料の製造 - Google Patents
炭素存在下での粉砕によるLi4Ti5O12をベースとする材料の製造 Download PDFInfo
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- JP6153136B2 JP6153136B2 JP2014542856A JP2014542856A JP6153136B2 JP 6153136 B2 JP6153136 B2 JP 6153136B2 JP 2014542856 A JP2014542856 A JP 2014542856A JP 2014542856 A JP2014542856 A JP 2014542856A JP 6153136 B2 JP6153136 B2 JP 6153136B2
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
- C01G23/005—Alkali titanates
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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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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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
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/40—Alloys based on alkali metals
- H01M4/405—Alloys based on lithium
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
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- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
−二酸化チタンTiO2などの前駆体を粉砕によって炭酸リチウムLi2CO3または水酸化リチウムLiOHと混合するステップ
−および得られた混合物を700℃から900℃の間でか焼するステップ
で行うことができる、Li4Ti5O12の純粋な結晶性粒子の合成を含む。
−粉砕中に可能な限り目詰まりを回避できる、
−粉砕から生じた粉末の放出を簡易にできる、
−粉砕から生じる粉末の均一性を改善できる、
−粉砕から生じる粉末の電気化学性能および前記性能の再現性を改善できる
ようにするための解決策に関しては記載しないままである。
−たとえば粉砕による二酸化チタンTiO2などの前駆体を炭酸リチウムLi2CO3または水酸化リチウムLiOHと混合するステップ、
−および混合ステップから得た粒子(粉末)を、たとえば約700℃から900℃の間の温度上昇によってか焼するステップ。
−Li4Ti5O12の粒子の合成後の粉砕操作中に目詰まりを低減するまたは解消さえすること、
−先に合成したLi4Ti5O12の粒子の粉砕から生じた粉末の均質性を改善すること、
−先に合成したLi4Ti5O12の粒子の粉砕から生じた粉末の電気化学的性能を改善すること、
−これらの粉末の電気化学的性能の再現性を改善すること、
−および先に合成したLi4Ti5O12の粒子の粉砕から生じた粉末の放出を簡易にすること。
Claims (7)
- Li4Ti5O12の粒子の合成ステップを含む、Li4Ti5O12をベースとする材料を製造する方法であって、黒鉛状炭素の存在下で行われる、前記合成ステップから得た前記粒子の粉砕ステップを含み、
前記粉砕ステップ中の炭素の重量割合が0.1%から0.7%の間の範囲内であり、
前記粉砕の時間が10時間から80時間の間であることを特徴とする方法。 - 前記黒鉛状炭素が1から10m2/gの間の比表面積を有することを特徴とする、請求項1に記載のLi4Ti5O12をベースとする材料を製造する方法。
- 前記粉砕ステップ中の炭素の前記重量割合が0.5%であることを特徴とする、請求項1に記載のLi4Ti5O12をベースとする材料を製造する方法。
- 前記粉砕ステップが、前記粉砕ステップの過程において定期的に適用可能な、粉砕中に前記粒子の目詰まりを除去する少なくとも1つのステップを含むことを特徴とする、請求項1から3のいずれか一項に記載のLi4Ti5O12をベースとする材料を製造する方法。
- 前記粉砕ステップの間に、細砕媒体を、前記合成ステップから得た前記粒子および前記炭素と、4から12の間の細砕媒体/粉末の体積比によって混合することを特徴とする、請求項1から4のいずれか一項に記載のLi4Ti5O12をベースとする材料を製造する方法。
- 前記粉砕ステップから得た前記粒子に適用される熱処理ステップを含むことを特徴とする、請求項1から5のいずれか一項に記載のLi4Ti5O12をベースとする材料を製造する方法。
- 前記合成ステップが、Li2CO3、LiOH、またはTiO2を混合するステップおよび前記混合ステップから得た前記粒子をか焼するステップを含むことを特徴とする、請求項1から6のいずれか一項に記載のLi4Ti5O12をベースとする材料を製造する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1160847A FR2983190B1 (fr) | 2011-11-28 | 2011-11-28 | Obtention d'un materiau a base de li4ti5o12 avec broyage en presence de carbone |
FR1160847 | 2011-11-28 | ||
PCT/EP2012/073486 WO2013079410A1 (fr) | 2011-11-28 | 2012-11-23 | Obtention d'un materiau a base de li4ti5o12 avec broyage en presence de carbone |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015509066A JP2015509066A (ja) | 2015-03-26 |
JP6153136B2 true JP6153136B2 (ja) | 2017-06-28 |
Family
ID=47216328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014542856A Expired - Fee Related JP6153136B2 (ja) | 2011-11-28 | 2012-11-23 | 炭素存在下での粉砕によるLi4Ti5O12をベースとする材料の製造 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150318536A1 (ja) |
EP (1) | EP2785647A1 (ja) |
JP (1) | JP6153136B2 (ja) |
KR (1) | KR20140099513A (ja) |
CN (1) | CN104039708A (ja) |
FR (1) | FR2983190B1 (ja) |
WO (1) | WO2013079410A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10661090B2 (en) | 2016-12-21 | 2020-05-26 | Medtronic, Inc. | Implantable medical device batteries with milled fluorinated carbon fibers, devices, and methods |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1155134C (zh) * | 1997-07-15 | 2004-06-23 | 索尼株式会社 | 非水基电解质二次电池 |
CA2327370A1 (fr) * | 2000-12-05 | 2002-06-05 | Hydro-Quebec | Nouvelle methode de fabrication de li4ti5o12 pur a partir du compose ternaire tix-liy-carbone: effet du carbone sur la synthese et la conductivite de l'electrode |
CA2394056A1 (fr) * | 2002-07-12 | 2004-01-12 | Hydro-Quebec | Particules comportant un noyau non conducteur ou semi conducteur recouvert d'un couche conductrice, leurs procedes d'obtention et leur utilisation dans des dispositifs electrochimiques |
CN100546077C (zh) * | 2007-11-12 | 2009-09-30 | 成都中科来方能源科技有限公司 | 复合正极材料、电池——超级电容储能器及制备方法 |
DE102008050692B4 (de) * | 2008-10-07 | 2014-04-03 | Süd-Chemie Ip Gmbh & Co. Kg | Kohlenstoffbeschichteter Lithiumtitan-Spinell |
FR2941875B1 (fr) * | 2009-02-11 | 2011-09-23 | Commissariat Energie Atomique | Procede de preparation d'un melange d'une poudre d'un compose actif d'electrode et d'une poudre d'un compose conducteur electronique, melange ainsi obtenu, electrode, cellule et accumulateur |
DE102009020832A1 (de) * | 2009-05-11 | 2010-11-25 | Süd-Chemie AG | Verbundmaterial enthaltend ein gemischtes Lithium-Metalloxid |
EP2355214B1 (fr) * | 2010-01-28 | 2013-12-25 | Prayon | Accumulateurs au lithium à base de phosphate de fer lithié et de carbone |
-
2011
- 2011-11-28 FR FR1160847A patent/FR2983190B1/fr not_active Expired - Fee Related
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2012
- 2012-11-23 KR KR1020147017600A patent/KR20140099513A/ko not_active Application Discontinuation
- 2012-11-23 JP JP2014542856A patent/JP6153136B2/ja not_active Expired - Fee Related
- 2012-11-23 US US14/361,147 patent/US20150318536A1/en not_active Abandoned
- 2012-11-23 EP EP12788588.7A patent/EP2785647A1/fr not_active Withdrawn
- 2012-11-23 WO PCT/EP2012/073486 patent/WO2013079410A1/fr active Application Filing
- 2012-11-23 CN CN201280066534.3A patent/CN104039708A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20150318536A1 (en) | 2015-11-05 |
KR20140099513A (ko) | 2014-08-12 |
EP2785647A1 (fr) | 2014-10-08 |
JP2015509066A (ja) | 2015-03-26 |
WO2013079410A1 (fr) | 2013-06-06 |
FR2983190B1 (fr) | 2014-04-11 |
FR2983190A1 (fr) | 2013-05-31 |
CN104039708A (zh) | 2014-09-10 |
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