JP5015173B2 - リチウム電池の陰極に利用可能なカーボンナノチューブ及びシリコンベースの材料 - Google Patents
リチウム電池の陰極に利用可能なカーボンナノチューブ及びシリコンベースの材料 Download PDFInfo
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- JP5015173B2 JP5015173B2 JP2008546474A JP2008546474A JP5015173B2 JP 5015173 B2 JP5015173 B2 JP 5015173B2 JP 2008546474 A JP2008546474 A JP 2008546474A JP 2008546474 A JP2008546474 A JP 2008546474A JP 5015173 B2 JP5015173 B2 JP 5015173B2
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/162—Preparation characterised by catalysts
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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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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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
- H01M4/386—Silicon or alloys based on silicon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/08—Aligned nanotubes
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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
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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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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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- Nanotechnology (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Carbon And Carbon Compounds (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
― 陰極は、それを形成する材料の結晶ネットワーク内にリチウムを挿入し;及び
― 陽極は、リチウムを放出する。
― :化学式 LiMO2である層状酸化物であり、MはCo、Ni、Mn、Al及びこれらの混合物を示し、例えば、LiCoO2、LiNiO2、Li(Ni、Co、Mn、Al)O2である;または
― :スピネル構造の酸化物であり、例えばLiMn2O4である。
電池の利用の動力学的制限の効果を持ち、そのまま利用されることが出来ない。
― リチウムの挿入/抽出から生じる膨張/縮小現象に関連する機械的分解の問題、;及び
― 電気伝導率の問題である。
― カーボンナノチューブは、それらが組み込まれる材料の電気化学的な性能を改善することが出来る満足な電気伝導率を持つ;
― カーボンナノチューブは、リチウムが挿入された時のシリコンフィルムの体積膨張を吸収することが出来る良好な弾性変形能を持つ;
― この材料がリチウム電池への利用を目的としている時、リチウムの挿入―抽出現象に関連する変形を受けるための十分な空間を保持するために、材料内のカーボンナノチューブの量を制御することが可能である;及び、
― 炭素ベースの部分及びシリコン部分が2つに分離して重ねられた層の形態である場合と比較し、シリコンがカーボンナノチューブの表面上にフィルム形態にて堆積されることは、活性シリコン表面を増加させるのに役立ち(例えば、1000倍)、大量なリチウムの挿入が可能となる。
― カーボンナノチューブの成長段階;及び
― これらナノチューブの表面上にナノスケールのシリコン粒子のフィルムを堆積する段階。
― レーザーまたは電気アークから選択されたエネルギー源を利用し及び炭素ベースのターゲットを利用することによる高温処理;及び
― 金属触媒上の炭化水素ベースのガスの分解に基づく中温処理。
SiH4(気体)→Si(固体)+2H2(気体)。
― 上に定義したような陰極;
― 陽極;及び
― 前記陰極と前記陽極との間に配置されたセパレータであって、リチウムイオン伝導性電解質を備えたセパレータ。
Claims (22)
- カーボンナノチューブを備え、それぞれの前記カーボンナノチューブの表面上に実質的に連続なナノスケールのシリコン粒子のフィルムが堆積された材料。
- 前記フィルムは、1から50nmの範囲の厚さを有する、請求項1に記載の材料。
- 前記カーボンナノチューブは、互いに実質的に平行に配置された、請求項1または2に記載の材料。
- 前記カーボンナノチューブは、その端部の1つによって基板に取り付けられた、請求項1から3のいずれか1項に記載の材料。
- 前記カーボンナノチューブは、前記基板に対して実質的に垂直に配置された、請求項4に記載の材料。
- 前記基板は、導電性である、請求項4または5に記載の材料。
- それぞれの表面上に実質的に連続なナノスケールのシリコン粒子のフィルムが堆積されるカーボンナノチューブを備えた材料の生成方法であって、
カーボンナノチューブの成長段階;及び
前記ナノチューブの表面上に実質的に連続なナノスケールのシリコン粒子のフィルムを堆積する段階;
を連続的に備えた生成方法。 - 前記カーボンナノチューブは、レーザーまたは電気アークから選択されたエネルギー源を利用し、及び炭素ベースのターゲットを利用することにより生成される、請求項7に記載の製造方法。
- 前記カーボンナノチューブは、金属触媒上の炭化水素ベースのガスの分解によって生成される、請求項7に記載の製造方法。
- 前記金属触媒粒子は、Ni、CoまたはFeをベースにした触媒である、請求項9に記載の製造方法。
- 前記ナノスケールのシリコン粒子のフィルムは、シリル化前駆体から開始される化学気相蒸着によって堆積される、請求項7から10のいずれか1項に記載の製造方法。
- 前記シリル化前駆体は、シランSiH4である、請求項11に記載の製造方法。
- 請求項1から6のいずれか1項に定義されるような材料を備えた電極。
- リチウム電池の陰極である、請求項13に記載の電極。
- 少なくとも1つの電気化学セルを備えたリチウム電池であって、
請求項14に定義されるような陰極;
陽極;及び
前記陰極及び前記陽極の間に配置されるセパレータであって、リチウムイオン伝導性電解質を備えたセパレータ;
を備えたリチウム電池。 - 前記陽極は、リチウム化遷移金属リン酸塩、リチウム化遷移金属酸化物及びこれらの混合物から選択された材料を備えた、請求項15に記載のリチウム電池。
- 前記陽極は、LiFeX1Mn1−X1PO4(0≦X1≦1)及びLi(Co、Ni、Mn、Al)O2から選択された材料を備えた、請求項15または16に記載のリチウム電池。
- 前記セパレータは、リチウムイオン伝導性液体電解質を含んだ多孔質部材の形態である、請求項15から17のいずれか1項に記載のリチウム電池。
- 前記リチウムイオン伝導性液体電解質は、リチウム塩が溶解した非プロトン性の液体溶剤を備えた、請求項18に記載のリチウム電池。
- 前記非プロトン性の液体溶剤は、炭酸溶剤である、請求項19に記載のリチウム電池。
- 前記炭酸溶剤は、エチレンカーボネート、プロピレンカーボネート、ジメチルカーボネート又はジエチルカーボネートから選択された、請求項20に記載のリチウム電池。
- 前記リチウム塩は、LiPF6、LiClO4、LiBF4、LiAsF6、LiCF3SO3、LiN(CF3SO2)3、LiN(C2F5SO2)から選択された、請求項19、20または21に記載のリチウム電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0513261 | 2005-12-23 | ||
FR0513261A FR2895572B1 (fr) | 2005-12-23 | 2005-12-23 | Materiau a base de nanotubes de carbone et de silicium utilisable dans des electrodes negatives pour accumulateur au lithium |
PCT/EP2006/070121 WO2007071778A1 (fr) | 2005-12-23 | 2006-12-21 | Materiau a base de nanotubes de carbone et de silicium utilisable dans des electrodes negatives pour accumulateur au lithium |
Publications (2)
Publication Number | Publication Date |
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JP2009521082A JP2009521082A (ja) | 2009-05-28 |
JP5015173B2 true JP5015173B2 (ja) | 2012-08-29 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008546474A Expired - Fee Related JP5015173B2 (ja) | 2005-12-23 | 2006-12-21 | リチウム電池の陰極に利用可能なカーボンナノチューブ及びシリコンベースの材料 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8703338B2 (ja) |
EP (1) | EP1964193B1 (ja) |
JP (1) | JP5015173B2 (ja) |
CN (1) | CN101346834B (ja) |
FR (1) | FR2895572B1 (ja) |
WO (1) | WO2007071778A1 (ja) |
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KR102573712B1 (ko) * | 2015-02-12 | 2023-09-01 | 에스케이온 주식회사 | 리튬 이차 전지용 음극 및 이의 제조방법 |
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US8703338B2 (en) | 2014-04-22 |
CN101346834A (zh) | 2009-01-14 |
EP1964193B1 (fr) | 2017-05-17 |
US20080280207A1 (en) | 2008-11-13 |
CN101346834B (zh) | 2012-03-21 |
EP1964193A1 (fr) | 2008-09-03 |
FR2895572B1 (fr) | 2008-02-15 |
JP2009521082A (ja) | 2009-05-28 |
FR2895572A1 (fr) | 2007-06-29 |
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