JP5302059B2 - コアシェル構造を有する材料 - Google Patents
コアシェル構造を有する材料 Download PDFInfo
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- 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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
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- 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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- 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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
- Y10T428/2995—Silane, siloxane or silicone coating
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
- Y10T428/2996—Glass particles or spheres
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
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Description
本発明の実施形態としては、以下の実施形態を挙げることができる。
(付記1)内部体積を有する外側のシェル部と、
該内部体積を占める該外側のシェル部内の少なくとも2つの相と
を有する複合粒子を含み、該少なくとも2つの相がリチウム合金材料から少なくとも部分的に作られる固体相と、液体、気体及びそれらの組み合わせからなる群より選択される非固体相とを有し、
該外側のシェル部の該内部体積が該固体相の体積よりも大きい、材料。
(付記2)前記外側のシェル部が500nm未満の平均外径を有する、付記1に記載の材料。
(付記3)前記外側のシェル部が200nm未満の平均外径を有する、付記1に記載の材料。
(付記4)前記外側のシェル部が100nm未満の平均外径を有する、付記1に記載の材料。
(付記5)前記外側のシェル部が50nm未満の平均外径を有する、付記1に記載の材料。
(付記6)前記固体相が前記外側のシェル部の前記内部体積の5〜99%を占める、付記1に記載の材料。
(付記7)前記外側のシェル部が100nm未満の平均壁厚を有する、付記1に記載の材料。
(付記8)前記外側のシェル部が50nm未満の平均壁厚を有する、付記1に記載の材料。
(付記9)前記外側のシェル部が20nm未満の平均壁厚を有する、付記1に記載の材料。
(付記10)電極を形成するために前記材料と混合されるバインダーをさらに含む、付記1に記載の材料。
(付記11)前記リチウム合金材料が、スズ、ケイ素、アルミニウム、ゲルマニウム、銅及びそれらの組み合わせからなる群より選択される元素を含有する、付記1に記載の材料。
(付記12)前記外側のシェル部が中空の球の形状を有する、付記1に記載の材料。
(付記13)前記固体相が予備リチウム化(pre−lithiated)されたリチウム合金材料である、付記1に記載の材料。
(付記14)内部体積、500nm未満の平均外径、及び100nm未満の壁厚を有する外側のシェル部と、
Li−X合金(Xはリチウムと合金を形成する少なくとも1つの元素である)から少なくとも部分的に作られる、該外側のシェル部内の固体相と
を有する複合粒子を含み、該内部体積が該固体相によってほぼ完全に占められる、材料。
(付記15)前記外側のシェル部の前記平均外径が200nm未満である、付記14に記載の材料。
(付記16)前記外側のシェル部の前記平均外径が100nm未満である、付記15に記載の材料。
(付記17)前記外側のシェル部の前記平均外径が50nm未満である、付記16に記載の材料。
(付記18)前記外側のシェル部の前記壁厚が20nm未満である、付記14に記載の材料。
(付記19)Xが、スズ、ケイ素、アルミニウム、ゲルマニウム、銅及びそれらの組み合わせからなる群より選択される元素である、付記14に記載の材料。
(付記20)内部体積、500nm未満の平均外径、及び100nm未満の壁厚を有する外側のシェル部と、
該内部体積を占める該外側のシェル部内の少なくとも2つの相と
を有する複合粒子を含み、該少なくとも2つの相がリチウム合金材料から少なくとも部分的に作られる固体相と、液体、気体及びそれらの組み合わせからなる群より選択される非固体相とを有し、
該外側のシェル部の該内部体積が該固体相の体積よりも大きい、材料。
100 複合粒子
110 外側のシェル部
120 内部体積
122 空きスペース
135 コア部
Claims (13)
- 内部体積及び500nm未満の平均外径を有する外側のシェル部と、
該内部体積を占める該外側のシェル部内の少なくとも2つの相と
を有する複合粒子を含み、該少なくとも2つの相が、リチウムと合金を形成することができる材料であるリチウム合金材料から作られる固体相と、液体、気体及びそれらの組み合わせからなる群より選択される非固体相とを有し、
該外側のシェル部の該内部体積が該固体相の体積よりも大きく、前記リチウム合金材料が、スズ、ケイ素、アルミニウム、ゲルマニウム及び銅からなる群より選択される元素を含有し、前記外側のシェル部が炭素である、材料。 - 前記リチウム合金材料が、スズ、ケイ素、アルミニウム、ゲルマニウム及び銅からなる群より選択される、請求項1に記載の材料。
- 前記外側のシェル部が200nm未満の平均外径を有する、請求項1に記載の材料。
- 前記外側のシェル部が100nm未満の平均外径を有する、請求項1に記載の材料。
- 前記外側のシェル部が50nm未満の平均外径を有する、請求項1に記載の材料。
- 前記固体相が前記外側のシェル部の前記内部体積の5〜99%を占める、請求項1に記載の材料。
- 前記外側のシェル部が100nm未満の平均壁厚を有する、請求項1に記載の材料。
- 前記外側のシェル部が50nm未満の平均壁厚を有する、請求項1に記載の材料。
- 前記外側のシェル部が20nm未満の平均壁厚を有する、請求項1に記載の材料。
- 電極を形成するために前記材料と混合されるバインダーをさらに含む、請求項1に記載の材料。
- 前記外側のシェル部が中空の球の形状を有する、請求項1に記載の材料。
- 前記固体相が予備リチウム化(pre−lithiated)されたリチウム合金材料である、請求項1に記載の材料。
- 内部体積、500nm未満の平均外径、及び100nm未満の壁厚を有する外側のシェル部と、
該内部体積を占める該外側のシェル部内の少なくとも2つの相と
を有する複合粒子を含み、該少なくとも2つの相が、リチウムと合金を形成することができる材料であるリチウム合金材料から作られる固体相と、液体、気体及びそれらの組み合わせからなる群より選択される非固体相とを有し、
該外側のシェル部の該内部体積が該固体相の体積よりも大きく、前記リチウム合金材料が、スズ、ケイ素、アルミニウム、ゲルマニウム及び銅からなる群より選択される元素を含有し、前記外側のシェル部が炭素である、材料。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/142,974 US8057900B2 (en) | 2008-06-20 | 2008-06-20 | Material with core-shell structure |
US12/142,974 | 2008-06-20 |
Publications (3)
Publication Number | Publication Date |
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JP2010003675A JP2010003675A (ja) | 2010-01-07 |
JP2010003675A5 JP2010003675A5 (ja) | 2012-04-19 |
JP5302059B2 true JP5302059B2 (ja) | 2013-10-02 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009066549A Active JP5302059B2 (ja) | 2008-06-20 | 2009-03-18 | コアシェル構造を有する材料 |
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US (1) | US8057900B2 (ja) |
JP (1) | JP5302059B2 (ja) |
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