JP2015043331A - 高容量電極 - Google Patents
高容量電極 Download PDFInfo
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- JP2015043331A JP2015043331A JP2014209155A JP2014209155A JP2015043331A JP 2015043331 A JP2015043331 A JP 2015043331A JP 2014209155 A JP2014209155 A JP 2014209155A JP 2014209155 A JP2014209155 A JP 2014209155A JP 2015043331 A JP2015043331 A JP 2015043331A
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- 239000000758 substrate Substances 0.000 claims abstract description 64
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 23
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 23
- 239000002134 carbon nanofiber Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002070 nanowire Substances 0.000 claims abstract description 20
- 239000011358 absorbing material Substances 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 30
- 150000002500 ions Chemical class 0.000 claims description 28
- 239000003792 electrolyte Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 239000002086 nanomaterial Substances 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003795 desorption Methods 0.000 claims description 2
- 239000011262 electrochemically active material Substances 0.000 claims 5
- 239000007772 electrode material Substances 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 176
- 238000009830 intercalation Methods 0.000 description 72
- 230000002687 intercalation Effects 0.000 description 72
- 238000000151 deposition Methods 0.000 description 11
- 230000008021 deposition Effects 0.000 description 11
- 238000000926 separation method Methods 0.000 description 10
- 230000008602 contraction Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000010439 graphite Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000007772 electroless plating Methods 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000693 micelle Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- -1 LiMnPO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910020813 Sn-C Inorganic materials 0.000 description 1
- 229910018732 Sn—C Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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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
-
- 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
- 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
-
- 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
-
- 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
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- 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
-
- 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
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
本願は,2008年2月25日に出願した米国特許出願第12/392,525号並びに2008年2月25日に出願した米国特許仮出願第61/067,018号及びに2008年6月2日に出願した米国特許仮出願第61/130,679号の優先権を主張する。これら出願の記載をここに参照して援用する。
Claims (21)
- 電解質の第一領域内に配置し,基板と,該基板に付着した複数の支持フィラメントと,該支持フィラメントに結合し,イオンを吸収する際に体積が少なくとも5パーセント膨張するように構築したイオン吸収材料とを具える電極と,
前記電解質の第一領域と第二領域を分離するように構築したセパレーターと,
前記電解質の第二領域内に配置したカソードとを備え,
前記カソード,アノード及びセパレーターを再充電可能電池として動作するように構築したシステム。 - 前記イオン吸収材料が,前記複数の支持フィラメントの各々の全てでなく一部を被覆する請求項1に記載のシステム。
- 前記イオン吸収材料が,前記基板に対し遠位の前記複数の支持フィラメント部材の区域を被覆し,該基板に近接した前記複数の支持フィラメント部材の区域を被覆しない請求項1又は2に記載のシステム。
- 前記イオン吸収材料の厚さが,前記基板に対し遠位の前記支持フィラメントの末端で,該基板に近接した前記支持フィラメントの末端での厚さと比べてより厚い請求項1,2又は3のいずれか一項に記載のシステム。
- 前記複数の支持フィラメントが各々分岐している請求項1〜3又は4のいずれか一項に記載のシステム。
- 前記イオン吸収材料がシリコンを含む請求項1〜4又は5のいずれか一項に記載のシステム。
- 前記複数の支持フィラメントがカーボンナノチューブ(CNT),カーボンナノファイバー(CNF)又はナノワイヤー(NW)からなる請求項1〜5又は6のいずれか一項に記載のシステム。
- 前記複数の支持フィラメントの密度を,前記基板から前記複数の支持フィラメント部材が脱着することなく前記イオン吸収材料の体積が少なくとも5パーセント膨張できるように選択する請求項1〜6又は7のいずれか一項に記載のシステム。
- 前記複数の支持フィラメントが各々直径500ナノメートル未満である請求項1〜7又は8のいずれか一項に記載のシステム。
- 導電性基板と,
前記基板に付着した複数の支持フィラメントで,カーボンナノチューブ(CNT),カーボンナノファイバー(CNF)又はナノワイヤー(NW)からなるフィラメントと,
前記支持フィラメントの各々の全てでなく一部に付着し,イオンを吸収する際に体積が少なくとも五倍膨張するよう構築したイオン吸収材料とを
備えることを特徴とする電極。 - 前記イオン吸収材料を,該イオン吸収材料によって実質的に被覆されない支持フィラメントの幹部を形成するように前記支持フィラメント上に配置する請求項1〜9又は10のいずれか一項に記載の電極。
- 前記幹部が少なくとも長さ0.25マイクロメートルである請求項1〜10又は11のいずれか一項に記載の電極。
- 前記イオン吸収材料がシリコンを含む請求項1〜11又は12のいずれか一項に記載の電極。
- 前記複数の支持フィラメントがシード層を用いて前記導電性基板に付着する請求項1〜12又は13のいずれか一項に記載の電極。
- 導電性基板を入手する工程と,
該導電性基板に付着し,少なくとも10:1のアスペクト比(長さ/幅)を有する複数の支持フィラメントを形成する工程と,
前記複数の支持フィラメントを,かかる支持フィラメントよりもイオン吸収容量が少なくとも十倍大きいイオン吸収材料で被覆して電極を作成する工程とを
備える方法。 - 前記複数の支持フィラメントを形成するように構築したシード層を前記基板上に形成する工程を更に備える請求項15に記載の方法。
- 前記電極を電解質と接触させて設置する工程を更に備える請求項15又は16に記載の方法。
- 前記電極を再充電可能電池に用いる工程を更に備える請求項15,16又は17のいずれか一項に記載の方法。
- 前記電極を繰り返し用いて,前記複数の支持フィラメントを基板から脱着することなくイオンを吸収及び放出する工程を更に備える請求項15〜17又は18のいずれか一項に記載の方法。
- 前記複数の支持フィラメントを前記イオン吸収材料で被覆する工程が,前記基板に近接した支持フィラメントの幹部を実質的にイオン吸収材料のないように製造する工程を具える請求項15〜18又は19のいずれか一項に記載の方法。
- 金属及びシリコンを含むナノ構造テンプレートと,
前記ナノ構造テンプレートを覆う電気化学的に活性な材料の層とを備え,
前記電気化学的に活性な材料のイオン吸収容量が前記ナノ構造テンプレートのイオン吸収容量の少なくとも2倍であり,
前記電気化学的に活性な材料は,前記リチウムイオン電池のサイクル中にリチウムイオンを吸収及び放出するように構成され,
前記ナノ構造テンプレートは,前記電気化学的に活性な材料への及び前記電気化学的に活性な材料からの電流の導通を促進し,かつ,前記電気化学的に活性な材料の層を支持する
リチウムイオン電池に用いるための電気化学的に活性な電極材料。
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KR101307623B1 (ko) | 2013-09-12 |
KR20140130481A (ko) | 2014-11-10 |
US8420258B2 (en) | 2013-04-16 |
JP6082862B2 (ja) | 2017-02-22 |
CN104393257B (zh) | 2017-09-22 |
CN104393257A (zh) | 2015-03-04 |
US20130078524A1 (en) | 2013-03-28 |
US20090214944A1 (en) | 2009-08-27 |
KR20130089674A (ko) | 2013-08-12 |
DE112009000443T5 (de) | 2011-03-17 |
US8652683B2 (en) | 2014-02-18 |
CN101953014A (zh) | 2011-01-19 |
US8658310B2 (en) | 2014-02-25 |
WO2009108731A3 (en) | 2009-12-30 |
JP2011514631A (ja) | 2011-05-06 |
WO2009108731A2 (en) | 2009-09-03 |
KR101503659B1 (ko) | 2015-03-17 |
KR20100128282A (ko) | 2010-12-07 |
DE112009000443B4 (de) | 2017-05-11 |
US20130078523A1 (en) | 2013-03-28 |
CN101953014B (zh) | 2014-11-05 |
JP5765942B2 (ja) | 2015-08-19 |
KR101513384B1 (ko) | 2015-04-17 |
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