JP2015520927A - リチウム電気化学的セルのための電極材料 - Google Patents
リチウム電気化学的セルのための電極材料 Download PDFInfo
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- JP2015520927A JP2015520927A JP2015512974A JP2015512974A JP2015520927A JP 2015520927 A JP2015520927 A JP 2015520927A JP 2015512974 A JP2015512974 A JP 2015512974A JP 2015512974 A JP2015512974 A JP 2015512974A JP 2015520927 A JP2015520927 A JP 2015520927A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 19
- 239000007772 electrode material Substances 0.000 title abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 89
- 239000011262 electrochemically active material Substances 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims description 21
- 239000011149 active material Substances 0.000 claims description 7
- 239000002482 conductive additive Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000010416 ion conductor Substances 0.000 claims description 5
- 229910003002 lithium salt Inorganic materials 0.000 claims description 5
- 159000000002 lithium salts Chemical class 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007784 solid electrolyte Substances 0.000 claims description 4
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910014562 C—LiFePO4 Inorganic materials 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011883 electrode binding agent Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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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
-
- 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
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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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
-
- 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
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
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- H—ELECTRICITY
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
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Abstract
Description
Claims (9)
- 粒子が分散する媒体(水および/あるいは有機溶媒)中で測定されたとき、絶対値で25mVよりも小さい(−25mVから0mV;0mVから25mV)ゼータ電位を有する粒子を含む、電気化学的活物質。
- 前記粒子が、絶対値で15mVよりも小さいゼータ電位を有する、請求項1に記載の電気化学的活物質。
- 前記粒子が炭素の層でコーティングされ、前記粒子の表面のかなりの部分が前記炭素の層で覆われる、請求項1に記載の電気化学的活物質。
- 前記電気化学的活物質がLiFePO4である、請求項1に記載の電気化学的活物質。
- 電気化学的活物質の粒子と、電子伝導性の添加剤と、バインダーおよびイオン伝導体として作用するポリマーとリチウム塩との混合物とを含むリチウムポリマー電気化学的セルのための電極であって、前記電気化学的活物質の粒子が、該粒子が分散する媒体(水および/または有機溶媒)中で測定されたとき、絶対値で25mVよりも小さい(−25mVから0mV;0mVから25mV)ゼータ電位を有することを特徴とする電極。
- 前記電気化学的活物質の粒子が、絶対値で15mVよりも小さいゼータ電位を有する、請求項5に記載の電極。
- 前記電気化学的活物質の粒子が炭素の層でコーティングされ、前記粒子の表面のかなりの部分が前記炭素の層で覆われる、請求項5に記載の電極。
- 負極と正極と固体電解質セパレータとを有するリチウムポリマー電気化学的セルであって、少なくとも前記正極は、電気化学的活物質の粒子と、電子伝導性の添加剤と、バインダーおよびイオン伝導体として作用するポリマーとリチウム塩との混合物とを含むリチウムポリマー電気化学的セルにおいて、前記電気化学的活物質の粒子は、該粒子が分散する媒体(水および/または有機溶媒)中で測定されたとき、絶対値で25mVよりも小さい(−25mVから0mV;0mVから25mV)ゼータ電位を有することを特徴とするリチウムポリマー電気化学的セル。
- 前記電気化学的活物質の粒子が、絶対値で15mVよりも小さいゼータ電位を有する、請求項8に記載のリチウムポリマー電気化学的セル。
Applications Claiming Priority (3)
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US201261651744P | 2012-05-25 | 2012-05-25 | |
US61/651,744 | 2012-05-25 | ||
PCT/CA2013/050399 WO2013173927A1 (en) | 2012-05-25 | 2013-05-24 | Electrode material for lithium electrochemical cells |
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JP2018004264A Division JP2018060815A (ja) | 2012-05-25 | 2018-01-15 | リチウム電気化学的セルのための電極材料 |
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JP2015520927A true JP2015520927A (ja) | 2015-07-23 |
JP2015520927A5 JP2015520927A5 (ja) | 2016-06-09 |
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JP2015512974A Pending JP2015520927A (ja) | 2012-05-25 | 2013-05-24 | リチウム電気化学的セルのための電極材料 |
JP2018004264A Pending JP2018060815A (ja) | 2012-05-25 | 2018-01-15 | リチウム電気化学的セルのための電極材料 |
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JP2018004264A Pending JP2018060815A (ja) | 2012-05-25 | 2018-01-15 | リチウム電気化学的セルのための電極材料 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9088037B2 (ja) |
EP (1) | EP2856538B1 (ja) |
JP (2) | JP2015520927A (ja) |
KR (1) | KR102104689B1 (ja) |
CN (1) | CN104508872B (ja) |
CA (1) | CA2873451C (ja) |
WO (1) | WO2013173927A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102002405B1 (ko) | 2016-03-29 | 2019-07-23 | 주식회사 엘지화학 | 전극 슬러리의 제조방법 |
JP6870771B1 (ja) * | 2020-08-31 | 2021-05-12 | 日本ゼオン株式会社 | 電気化学素子用導電材分散液、電気化学素子電極用スラリー、電気化学素子用電極及び電気化学素子 |
JP6870769B1 (ja) * | 2020-08-31 | 2021-05-12 | 日本ゼオン株式会社 | 電気化学素子用導電材分散液、電気化学素子電極用スラリー組成物及びその製造方法、電気化学素子用電極、並びに電気化学素子 |
JP6911985B1 (ja) * | 2020-08-31 | 2021-07-28 | 日本ゼオン株式会社 | 電気化学素子用分散剤組成物、電気化学素子用導電材分散液、電気化学素子電極用スラリー組成物及びその製造方法、電気化学素子用電極、並びに電気化学素子 |
EP4432389A1 (en) * | 2022-06-07 | 2024-09-18 | LG Energy Solution, Ltd. | Electrode and electrode assembly |
Citations (2)
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JPH11111265A (ja) * | 1997-09-30 | 1999-04-23 | Asahi Glass Co Ltd | ポリマー電解質二次電池 |
JP2011070908A (ja) * | 2009-09-25 | 2011-04-07 | Mikuni Color Ltd | 導電材分散液、電極ペーストおよび導電材被覆活物質 |
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JPH05337351A (ja) * | 1991-05-14 | 1993-12-21 | Hitachi Ltd | 液中微粒子分散法 |
CA2270771A1 (fr) | 1999-04-30 | 2000-10-30 | Hydro-Quebec | Nouveaux materiaux d'electrode presentant une conductivite de surface elevee |
JP2001110403A (ja) * | 1999-10-14 | 2001-04-20 | Daiso Co Ltd | 電気化学デバイス用電極 |
CA2411695A1 (fr) * | 2002-11-13 | 2004-05-13 | Hydro-Quebec | Electrode recouverte d'un film obtenu a partir d'une solution aqueuse comportant un liant soluble dans l'eau, son procede de fabrication et ses utilisations |
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CA2535064A1 (fr) * | 2006-02-01 | 2007-08-01 | Hydro Quebec | Materiau multi-couches, procede de fabrication et utilisation comme electrode |
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KR20170091774A (ko) | 2009-04-27 | 2017-08-09 | 바티움 캐나다 인크. | 리튬 전기화학 전지용 전극 및 전극 물질 |
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2013
- 2013-05-24 JP JP2015512974A patent/JP2015520927A/ja active Pending
- 2013-05-24 KR KR1020147034163A patent/KR102104689B1/ko active IP Right Grant
- 2013-05-24 EP EP13793637.3A patent/EP2856538B1/en active Active
- 2013-05-24 CN CN201380026841.3A patent/CN104508872B/zh active Active
- 2013-05-24 US US13/902,142 patent/US9088037B2/en active Active
- 2013-05-24 CA CA2873451A patent/CA2873451C/en active Active
- 2013-05-24 WO PCT/CA2013/050399 patent/WO2013173927A1/en active Application Filing
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2018
- 2018-01-15 JP JP2018004264A patent/JP2018060815A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11111265A (ja) * | 1997-09-30 | 1999-04-23 | Asahi Glass Co Ltd | ポリマー電解質二次電池 |
JP2011070908A (ja) * | 2009-09-25 | 2011-04-07 | Mikuni Color Ltd | 導電材分散液、電極ペーストおよび導電材被覆活物質 |
Also Published As
Publication number | Publication date |
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US20130316251A1 (en) | 2013-11-28 |
CN104508872A (zh) | 2015-04-08 |
WO2013173927A1 (en) | 2013-11-28 |
KR20150022806A (ko) | 2015-03-04 |
EP2856538B1 (en) | 2017-04-05 |
CA2873451A1 (en) | 2013-11-28 |
JP2018060815A (ja) | 2018-04-12 |
CA2873451C (en) | 2021-07-13 |
US9088037B2 (en) | 2015-07-21 |
KR102104689B1 (ko) | 2020-04-24 |
EP2856538A4 (en) | 2016-02-17 |
EP2856538A1 (en) | 2015-04-08 |
CN104508872B (zh) | 2017-04-05 |
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