JP2016510941A - より厚い電極製造を可能にするための多層電池電極設計 - Google Patents
より厚い電極製造を可能にするための多層電池電極設計 Download PDFInfo
- Publication number
- JP2016510941A JP2016510941A JP2016500667A JP2016500667A JP2016510941A JP 2016510941 A JP2016510941 A JP 2016510941A JP 2016500667 A JP2016500667 A JP 2016500667A JP 2016500667 A JP2016500667 A JP 2016500667A JP 2016510941 A JP2016510941 A JP 2016510941A
- Authority
- JP
- Japan
- Prior art keywords
- slurry mixture
- cathode
- layer
- material layer
- active material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/1391—Processes of manufacture of 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
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/364—Composites as mixtures
-
- 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
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
-
- 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
-
- 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
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
(A)一実施形態では、カソード構造体103の第1のカソード材料層210は、超低電極多孔度(たとえば、15〜20%多孔度)を達成するために高充填密度を有する「エネルギー層」である。第1のカソード材料層210は約8ミクロン〜約25ミクロンの平均粒径を有するLiCoO2を含む。第1のカソード材料層210は約1〜80ミクロンの平均厚さを有してよい。第2のカソード材料層220は「電力層」であり、約30%〜約60%の多孔度を有する。第2のカソード材料層220は約1〜約6ミクロンの粒径を有するNMC、LiFePO4、またはLiMn2O4を含んでよい。第2のカソード材料層220は約10〜80ミクロンの厚さを有してよい。いくつかの実施形態では、第2のカソード材料層220に対する第1のカソード材料層210の厚さ比は約5:1〜1:5の間である。
実施例B0507−1〜B0507−3に関して、MX−10を有する第1のスラリ混合物がドクターブレード処理を用いて18.5ミクロンの厚さを有するアルミニウム箔集電体上に堆積された。アルミニウム箔集電体および第1のスラリ混合物は、溶媒を蒸発させて第1のカソード材料層を形成するために、摂氏80度に加熱された。MX−3を有する第2のスラリ混合物が第1のカソード材料層上に堆積された。アルミニウム箔集電体、第1のカソード材料層および第2のスラリ混合物は、溶媒を蒸発させて第2のカソード材料層を形成するために、摂氏80度に加熱された。第1のカソード材料層および第2のカソード材料層は2,000と7,000psiの間の圧力で単一のカレンダ処理に曝露された。第1のカソード材料層は65.8ミクロンの最終厚さと36%の最終多孔度を有した。第2のカソード材料層は97.6ミクロンの最終厚さと42%の最終多孔度を有した。
実施例B0508−1〜B0508−3に関して、MX−3を有する第1のスラリ混合物がドクターブレード処理を用いて18.8ミクロンの厚さを有するアルミニウム箔集電体上に堆積された。アルミニウム箔集電体および第1のスラリ混合物は、溶媒を蒸発させて第1のカソード材料層を形成するために、摂氏80度に加熱された。MX−10を有する第2のスラリ混合物が第1のカソード材料層上に堆積された。アルミニウム箔集電体、第1のカソード材料層および第2のスラリ混合物は、溶媒を蒸発させて第2のカソード材料層を形成するために、摂氏80度に加熱された。第1のカソード材料層および第2のカソード材料層は2,000と7,000psiの間の圧力で単一のカレンダ処理に曝露された。第1のカソード材料層は64.6ミクロンの最終厚さと38%の最終多孔度を有した。第2のカソード材料層は110ミクロンの最終厚さと34%の最終多孔度を有した。
Claims (15)
- 導電性基板を提供することと、
カソード活物質を含む第1のスラリ混合物を堆積させて前記導電性基板上に第1のカソード材料層を形成することと、
カソード活物質を含む第2のスラリ混合物を堆積させて前記第1のカソード材料層上に第2のカソード材料層を形成することと、
堆積されたままの状態の前記第1のカソード材料層と前記第2のカソード材料層を圧縮して所望の多孔度を達成することとを含む、多層カソード構造体を形成するための方法。 - 前記第1のスラリ混合物と前記第2のスラリ混合物が各々独立して、
カソード活物質と、
結合剤、結合前駆体、導電性材料および溶媒のうちの少なくとも1つとを含む、請求項1に記載の方法。 - 前記第1のスラリ混合物の固形物量が前記第2のスラリ混合物の固形物量と異なる、請求項1に記載の方法。
- 前記第1のスラリ混合物の前記カソード活物質のタップ密度が前記第2のスラリ混合物の前記カソード活物質のタップ密度と異なる、請求項2に記載の方法。
- 前記第1のスラリ混合物の前記カソード活物質が前記第2のスラリ混合物の前記カソード活物質と異なる、請求項4に記載の方法。
- 前記第1のスラリ混合物の結合剤の重量%が前記第2のスラリ混合物の結合剤の重量%と異なる、請求項4に記載の方法。
- 前記第1のスラリ混合物の粒径分布が前記第2のスラリ混合物の粒径分布と異なる、請求項4に記載の方法。
- 前記第1のスラリ混合物の粒径分布と前記第2のスラリ混合物の粒径分布が各々独立して単モード粒径分布、双モード粒径分布、および多モード粒径分布から選択される、請求項7に記載の方法。
- 堆積されたままの状態の前記第1のカソード材料層と前記第2のカソード材料層を圧縮して所望の多孔度を達成することが、堆積されたままの状態の前記層をカレンダ加工することを含む、請求項4に記載の方法。
- 前記導電性基板がアルミニウムを含む、請求項4に記載の方法。
- 前記第1のスラリ混合物の前記カソード活物質と前記第2のスラリ混合物の前記カソード活物質が各々独立して、二酸化コバルトリチウム(LiCoO2)、二酸化マンガンリチウム(LiMnO2)、二硫化チタン(TiS2)、LiNixCo1−2xMnO2、LiMn2O4、LiFePO4、LiFe1−xMgPO4、LiMoPO4、LiCoPO4、Li3V2(PO4)3、LiVOPO4、LiMP2O7、LiFe1.5P2O7、LiVPO4F、LiAlPO4F、Li5V(PO4)2F2、Li5Cr(PO4)2F2、Li2CoPO4F、Li2NiPO4F、Na5V2(PO4)2F3、Li2FeSiO4、Li2MnSiO4、Li2VOSiO4、LiNiO2、およびこれらの組合せから成る群から選択される、請求項4に記載の方法。
- 前記結合剤が、ポリフッ化ビニリデン(PVDF)、スチレンブタジエンゴム(SBR)、カルボキシメチルセルロース(CMC)、およびこれらの組合せから成る群から選択される、請求項4に記載の方法。
- 前記第1のスラリ混合物の前記カソード活物質が第1の平均直径を有する粒子を含み、前記第2のスラリ混合物の前記カソード活物質が第2の平均直径を有する粒子を含み、前記第2の平均直径が前記第1の平均直径よりも大きい、請求項4に記載の方法。
- 前記第1の平均直径が約2μmと約15μmとの間であり、前記第2の平均直径が約5μmと約15μmとの間である、請求項13に記載の方法。
- 前記第2の平均直径が約2μmと約15μmとの間であり、前記第1の平均直径が約5μmと約15μmとの間である、請求項13に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361790684P | 2013-03-15 | 2013-03-15 | |
| US61/790,684 | 2013-03-15 | ||
| PCT/US2014/020788 WO2014149766A1 (en) | 2013-03-15 | 2014-03-05 | Multi-layer battery electrode design for enabling thicker electrode fabrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2016510941A true JP2016510941A (ja) | 2016-04-11 |
Family
ID=51580652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016500667A Pending JP2016510941A (ja) | 2013-03-15 | 2014-03-05 | より厚い電極製造を可能にするための多層電池電極設計 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160013480A1 (ja) |
| JP (1) | JP2016510941A (ja) |
| KR (1) | KR20150132463A (ja) |
| CN (1) | CN105074967B (ja) |
| TW (1) | TWI616017B (ja) |
| WO (1) | WO2014149766A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019501492A (ja) * | 2016-06-14 | 2019-01-17 | エルジー・ケム・リミテッド | 二次電池用電極及びこれを含むリチウム二次電池 |
| JP2022500838A (ja) * | 2019-04-04 | 2022-01-04 | エルジー・ケム・リミテッド | リチウム二次電池用電極 |
| JP2022100395A (ja) * | 2018-11-13 | 2022-07-05 | ビークルエナジージャパン株式会社 | リチウムイオン二次電池およびその製造方法 |
| WO2024211626A3 (en) * | 2023-04-04 | 2025-01-02 | Solid Power Operating, Inc. | Methods for preparing electrodes |
Families Citing this family (69)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6032160B2 (ja) * | 2013-09-02 | 2016-11-24 | トヨタ自動車株式会社 | Esd法による二次電池の電極製造方法 |
| JP2017515277A (ja) | 2014-05-01 | 2017-06-08 | ビーエイエスエフ・ソシエタス・エウロパエアBasf Se | 電極製造方法および関連システムおよび物品 |
| JP2016181487A (ja) * | 2015-03-25 | 2016-10-13 | 株式会社東芝 | 非水電解質電池用電極、非水電解質次電池および電池パック |
| KR101810185B1 (ko) | 2015-04-29 | 2017-12-19 | 주식회사 엘지화학 | 전기화학소자용 전극 및 상기 전극을 제조하는 방법 |
| CN105098193A (zh) | 2015-09-24 | 2015-11-25 | 宁德时代新能源科技有限公司 | 正极片以及包括该正极片的锂离子电池 |
| EP3371844B1 (en) * | 2015-11-04 | 2020-11-04 | Sion Power Corporation | Layer composite and electrode having a smooth surface |
| AU2017209117B2 (en) * | 2016-01-22 | 2021-10-21 | The Regents Of The University Of California | High-voltage devices |
| KR102133383B1 (ko) * | 2016-03-03 | 2020-07-14 | 주식회사 엘지화학 | 리튬 이차전지용 양극 제조 방법 및 이러한 방법에 의해 제조된 리튬 이차전지용 양극 |
| KR101919048B1 (ko) * | 2016-06-27 | 2019-02-08 | 주식회사 네패스 | 리튬이차전지용 음극의 제조 방법 |
| KR20180001518A (ko) * | 2016-06-27 | 2018-01-04 | 주식회사 네패스 | 리튬이차전지 음극용 조성물, 이를 이용한 리튬이차전지 음극 제조 방법, 이로부터 제조된 리튬이차전지 음극 및 리튬이차전지 |
| DE102016215542A1 (de) | 2016-08-18 | 2018-02-22 | Robert Bosch Gmbh | Elektrode für eine Batteriezelle, Verfahren zur Herstellung einer Elektrode und Batteriezelle |
| US10847780B2 (en) * | 2016-09-16 | 2020-11-24 | Pacesetter, Inc. | Battery electrode and methods of making |
| KR20180049986A (ko) * | 2016-11-04 | 2018-05-14 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 |
| TWI617073B (zh) * | 2016-11-25 | 2018-03-01 | 財團法人工業技術研究院 | 電池電極結構及其製作方法 |
| EP3545575A4 (en) * | 2016-11-28 | 2020-08-05 | Sila Nanotechnologies Inc. | HIGH CAPACITY BATTERY ELECTRODES WITH IMPROVED BINDERS, CONSTRUCTION AND PERFORMANCE |
| US20180261827A1 (en) * | 2017-03-08 | 2018-09-13 | Ricoh Company, Ltd. | Electrode, electrode element, nonaqueous electrolytic power storage device |
| WO2018220991A1 (ja) * | 2017-05-30 | 2018-12-06 | パナソニックIpマネジメント株式会社 | 二次電池用正極、及び二次電池 |
| US10038193B1 (en) | 2017-07-28 | 2018-07-31 | EnPower, Inc. | Electrode having an interphase structure |
| US11258056B2 (en) | 2017-11-06 | 2022-02-22 | Lg Energy Solution, Ltd. | Positive electrode material, positive electrode, and lithium secondary battery which include spinel-structured lithium manganese-based positive electrode active material |
| US20190198934A1 (en) * | 2017-12-21 | 2019-06-27 | GM Global Technology Operations LLC | Method of generating silicon thick electrodes with improved life performance |
| CN110010900A (zh) * | 2018-01-04 | 2019-07-12 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种高倍率厚电极及其制备方法与应用 |
| CN113594409B (zh) * | 2018-02-26 | 2022-09-20 | 宁德新能源科技有限公司 | 极片和锂离子电池 |
| CN109004175B (zh) * | 2018-02-26 | 2020-09-18 | 宁德新能源科技有限公司 | 正极极片和锂离子电池 |
| KR102536633B1 (ko) * | 2018-03-14 | 2023-05-25 | 주식회사 엘지에너지솔루션 | 양극의 제조 방법 |
| US20190296335A1 (en) | 2018-03-23 | 2019-09-26 | EnPower, Inc. | Electrochemical cells having improved ionic conductivity |
| US11245106B2 (en) | 2018-04-12 | 2022-02-08 | Samsung Sdi Co., Ltd. | Electrode assembly and rechargeable battery including same |
| JP7079411B2 (ja) * | 2018-04-24 | 2022-06-02 | トヨタ自動車株式会社 | 電極とこれを用いた電池 |
| CN110660961B (zh) * | 2018-06-28 | 2021-09-21 | 宁德时代新能源科技股份有限公司 | 正极片及锂离子电池 |
| CN113764616A (zh) * | 2018-08-28 | 2021-12-07 | 宁德新能源科技有限公司 | 极片和电化学装置 |
| CN109301160B (zh) * | 2018-09-05 | 2022-03-04 | 上海奥威科技开发有限公司 | 一种电极及其制备方法和锂离子电容电池 |
| WO2020051560A1 (en) * | 2018-09-06 | 2020-03-12 | Sila Nanotechnologies, Inc. | Electrode with conductive interlayer and method thereof |
| CN109461882B (zh) | 2018-11-05 | 2021-10-01 | 宁德新能源科技有限公司 | 正极极片、电化学装置及包含其的电子装置 |
| TW202036961A (zh) * | 2018-11-15 | 2020-10-01 | 美商映能量公司 | 具有一或多個多層電極之電化學電池 |
| CN109560249A (zh) * | 2018-11-30 | 2019-04-02 | 中国科学院过程工程研究所 | 一种双层结构正极极片、及其制备方法和用途 |
| KR102304738B1 (ko) * | 2018-11-30 | 2021-09-24 | 주식회사 엘지화학 | 리튬 이차전지용 양극 활물질 전구체의 제조 방법 |
| US11569550B2 (en) | 2019-04-05 | 2023-01-31 | EnPower, Inc. | Electrode with integrated ceramic separator |
| CN110474019B (zh) * | 2019-07-08 | 2020-10-30 | 广州中国科学院工业技术研究院 | 一种高比能量电池正极极片及其制备方法 |
| CN112652734A (zh) * | 2019-10-11 | 2021-04-13 | 广州汽车集团股份有限公司 | 厚负极极片及其制备方法、锂离子电芯、锂离子电池包及其应用 |
| US10998553B1 (en) | 2019-10-31 | 2021-05-04 | EnPower, Inc. | Electrochemical cell with integrated ceramic separator |
| EP4062467A1 (en) * | 2019-11-21 | 2022-09-28 | Volkswagen Aktiengesellschaft | Dry electrode manufacturing |
| WO2021125873A1 (ko) * | 2019-12-20 | 2021-06-24 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 양극, 상기 양극을 포함하는 리튬 이차전지 |
| CN113258031B (zh) * | 2020-02-11 | 2022-11-18 | 宁德新能源科技有限公司 | 电池 |
| CN111211325B (zh) * | 2020-03-09 | 2021-09-17 | 广东工业大学 | 一种锂离子电池负极材料及其制备方法与应用 |
| CN111342029B (zh) * | 2020-03-20 | 2021-10-22 | 浙江中金格派锂电产业股份有限公司 | 一种锂离子电池复合正极的制备方法 |
| WO2021189481A1 (zh) * | 2020-03-27 | 2021-09-30 | 宁德新能源科技有限公司 | 一种正极极片和包含所述正极极片的电化学装置及电子装置 |
| KR102863542B1 (ko) * | 2020-07-20 | 2025-09-22 | 에스케이온 주식회사 | 리튬 이차 전지 |
| KR20220017660A (ko) * | 2020-08-05 | 2022-02-14 | 에스케이온 주식회사 | 이차전지용 음극의 제조 방법 및 이를 포함하는 이차전지 |
| KR102823065B1 (ko) | 2020-10-26 | 2025-06-23 | 에스케이온 주식회사 | 이차전지용 다층 전극 및 이의 제조 방법 |
| CN112467075B (zh) * | 2020-11-05 | 2022-01-04 | 东莞塔菲尔新能源科技有限公司 | 一种极片、电芯及二次电池 |
| CN112802990B (zh) * | 2020-12-31 | 2022-05-03 | 宁德新能源科技有限公司 | 极片、电化学装置和电子装置 |
| JP7273869B2 (ja) * | 2021-01-21 | 2023-05-15 | プライムプラネットエナジー&ソリューションズ株式会社 | 非水電解質二次電池 |
| JP7149355B2 (ja) * | 2021-01-29 | 2022-10-06 | 本田技研工業株式会社 | リチウムイオン二次電池用電極、及びリチウムイオン二次電池 |
| KR102711992B1 (ko) * | 2021-01-29 | 2024-10-02 | 주식회사 엘지에너지솔루션 | 양극 및 이를 포함하는 리튬 이차전지 |
| JP7416734B2 (ja) * | 2021-02-05 | 2024-01-17 | プライムプラネットエナジー&ソリューションズ株式会社 | 非水電解質二次電池 |
| EP3998654A1 (en) * | 2021-02-19 | 2022-05-18 | Lilium eAircraft GmbH | Hybrid electrode |
| JP7262500B2 (ja) * | 2021-03-18 | 2023-04-21 | プライムプラネットエナジー&ソリューションズ株式会社 | 正極および非水電解質二次電池 |
| JP7463618B2 (ja) * | 2021-06-24 | 2024-04-08 | エルジー エナジー ソリューション リミテッド | リチウム二次電池用正極、それを備える正極及びリチウム二次電池 |
| US11594784B2 (en) | 2021-07-28 | 2023-02-28 | EnPower, Inc. | Integrated fibrous separator |
| CN115911247B (zh) * | 2021-09-30 | 2024-03-22 | 宁德时代新能源科技股份有限公司 | 正极极片、二次电池、电池模组、电池包及用电装置 |
| CN114335418B (zh) * | 2021-12-23 | 2024-04-02 | 惠州亿纬锂能股份有限公司 | 一种正极极片及其制备方法和应用 |
| CN116417579A (zh) * | 2021-12-29 | 2023-07-11 | 宁德时代新能源科技股份有限公司 | 正极活性材料、制备正极材料的方法、正极极片、二次电池、电池模块、电池包和用电装置 |
| KR20230159947A (ko) * | 2022-05-16 | 2023-11-23 | 에스케이온 주식회사 | 이차전지용 전극, 이의 제조방법 및 리튬 이차전지 |
| US12388079B2 (en) * | 2022-10-11 | 2025-08-12 | Sakuu Corporation | Hybrid lithium metal cell with ionic liquid integrated cathode |
| WO2024091625A1 (en) * | 2022-10-26 | 2024-05-02 | Texpower, Inc. | Low-cobalt or cobalt-free cathode materials with bimodal particle size distribution for lithium batteries |
| WO2024103350A1 (zh) * | 2022-11-17 | 2024-05-23 | 宁德时代新能源科技股份有限公司 | 正极极片、电极组件、电池单体、电池及用电设备 |
| US11888155B1 (en) * | 2022-12-15 | 2024-01-30 | Sk On Co., Ltd. | Cathode for lithium secondary battery and lithium secondary battery including the same |
| TWI821118B (zh) * | 2023-02-14 | 2023-11-01 | 台灣立凱電能科技股份有限公司 | 高電壓複合式正極材料及其製造方法 |
| CN116344818A (zh) * | 2023-03-31 | 2023-06-27 | 宁德新能源科技有限公司 | 二次电池及电子装置 |
| KR20260025502A (ko) * | 2024-08-16 | 2026-02-24 | 삼성에스디아이 주식회사 | 전고체 전지용 양극, 이를 포함하는 전고체 전지, 및 전고체 전지용 양극의 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110168550A1 (en) * | 2010-01-13 | 2011-07-14 | Applied Materials, Inc. | Graded electrode technologies for high energy lithium-ion batteries |
| US20120219841A1 (en) * | 2011-02-25 | 2012-08-30 | Applied Materials, Inc. | Lithium ion cell design apparatus and method |
| US20130017340A1 (en) * | 2011-07-12 | 2013-01-17 | Applied Materials, Inc. | Methods to fabricate variations in porosity of lithium ion battery electrode films |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60140163D1 (de) * | 2000-08-28 | 2009-11-26 | Nissan Motor | Wiederaufladbare Lithiumionenbatterie |
| EP1978587B1 (en) * | 2007-03-27 | 2011-06-22 | Hitachi Vehicle Energy, Ltd. | Lithium secondary battery |
| JP2009004289A (ja) * | 2007-06-25 | 2009-01-08 | Panasonic Corp | 非水電解質二次電池 |
| JP5201426B2 (ja) * | 2009-04-10 | 2013-06-05 | トヨタ自動車株式会社 | リチウムイオン電池およびその利用 |
| WO2011109815A1 (en) * | 2010-03-05 | 2011-09-09 | A123 Systems, Inc. | Design and fabrication of electrodes with gradients |
| KR20140012008A (ko) * | 2010-06-22 | 2014-01-29 | 케이2 에너지 솔루션스, 인코포레이티드 | 리튬 이온 배터리 |
| PL2541652T3 (pl) * | 2010-09-30 | 2020-01-31 | Lg Chem, Ltd. | Katoda do litowej baterii akumulatorowej i zawierająca ją litowa bateria akumulatorowa |
| JP5519586B2 (ja) * | 2011-06-29 | 2014-06-11 | 株式会社日立製作所 | リチウムイオン二次電池用電極及びその製造方法、並びにリチウムイオン二次電池及びその製造方法 |
| CN102324493B (zh) * | 2011-08-26 | 2016-03-30 | 东莞新能源科技有限公司 | 具有良好电化学性能的厚电极及其制备方法 |
-
2014
- 2014-03-05 JP JP2016500667A patent/JP2016510941A/ja active Pending
- 2014-03-05 KR KR1020157029495A patent/KR20150132463A/ko not_active Withdrawn
- 2014-03-05 WO PCT/US2014/020788 patent/WO2014149766A1/en not_active Ceased
- 2014-03-05 US US14/771,126 patent/US20160013480A1/en not_active Abandoned
- 2014-03-05 CN CN201480010713.4A patent/CN105074967B/zh not_active Expired - Fee Related
- 2014-03-13 TW TW103109114A patent/TWI616017B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110168550A1 (en) * | 2010-01-13 | 2011-07-14 | Applied Materials, Inc. | Graded electrode technologies for high energy lithium-ion batteries |
| US20120219841A1 (en) * | 2011-02-25 | 2012-08-30 | Applied Materials, Inc. | Lithium ion cell design apparatus and method |
| US20130017340A1 (en) * | 2011-07-12 | 2013-01-17 | Applied Materials, Inc. | Methods to fabricate variations in porosity of lithium ion battery electrode films |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019501492A (ja) * | 2016-06-14 | 2019-01-17 | エルジー・ケム・リミテッド | 二次電池用電極及びこれを含むリチウム二次電池 |
| JP2022010000A (ja) * | 2016-06-14 | 2022-01-14 | エルジー・ケム・リミテッド | 二次電池用電極及びこれを含むリチウム二次電池 |
| JP7540988B2 (ja) | 2016-06-14 | 2024-08-27 | エルジー エナジー ソリューション リミテッド | 二次電池用電極及びこれを含むリチウム二次電池 |
| JP2022100395A (ja) * | 2018-11-13 | 2022-07-05 | ビークルエナジージャパン株式会社 | リチウムイオン二次電池およびその製造方法 |
| US12034150B2 (en) | 2018-11-13 | 2024-07-09 | Vehicle Energy Japan Inc. | Lithium ion secondary battery and method for manufacturing same |
| US12406983B2 (en) | 2018-11-13 | 2025-09-02 | Vehicle Energy Japan Inc. | Lithium ion secondary battery and method for manufacturing same |
| JP2022500838A (ja) * | 2019-04-04 | 2022-01-04 | エルジー・ケム・リミテッド | リチウム二次電池用電極 |
| JP7177277B2 (ja) | 2019-04-04 | 2022-11-22 | エルジー エナジー ソリューション リミテッド | リチウム二次電池用電極 |
| US12074316B2 (en) | 2019-04-04 | 2024-08-27 | Lg Energy Solution, Ltd. | Electrode for lithium secondary battery |
| WO2024211626A3 (en) * | 2023-04-04 | 2025-01-02 | Solid Power Operating, Inc. | Methods for preparing electrodes |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI616017B (zh) | 2018-02-21 |
| US20160013480A1 (en) | 2016-01-14 |
| KR20150132463A (ko) | 2015-11-25 |
| TW201442324A (zh) | 2014-11-01 |
| CN105074967A (zh) | 2015-11-18 |
| CN105074967B (zh) | 2018-07-10 |
| WO2014149766A1 (en) | 2014-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105074967B (zh) | 用于制造较厚电极的多层电池电极设计 | |
| TWI689128B (zh) | 用於改良的鋰金屬循環的介面層 | |
| US11271196B2 (en) | Electrochemical cells having improved ionic conductivity | |
| US20200259180A1 (en) | Prelithiated multilayer dry electrode and methods | |
| JP6120092B2 (ja) | 大容量プリズムリチウムイオン合金アノードの製造 | |
| TWI518972B (zh) | 用於高能量鋰離子電池的分段電極技術 | |
| KR102908657B1 (ko) | 무음극 전고체 전지 | |
| KR20160002988A (ko) | 고체 및 액체 전해질들을 갖는 전기화학 셀 | |
| JP5832729B2 (ja) | 二次電池用電極及び非水電解液電池 | |
| JP2016510939A (ja) | リチウムイオン電池の吹付けコーティングプロセスのための電極表面粗さ制御 | |
| CN108807843A (zh) | 多层复合负极及其制备方法和包括其的碱金属电池 | |
| JP7359491B2 (ja) | 電池及びその製造方法 | |
| US10790505B2 (en) | Electrochemical cells having improved ionic conductivity | |
| KR20230009460A (ko) | 전지 및 그 제조방법 | |
| Pan et al. | A functional separator modified by synergistic MoS2 and activated carbon for improved-performance lithium sulfur batteries | |
| US11349125B2 (en) | Spacer included electrodes structure and its application for high energy density and fast chargeable lithium ion batteries | |
| JP6926910B2 (ja) | 二次電池 | |
| US12062782B2 (en) | Electrochemical cells having improved ionic conductivity | |
| JP2019220356A (ja) | リチウムイオン二次電池用正極材料及びその製造方法、並びにリチウムイオン二次電池用正極材料からなる正極活物質層及びそれを用いたリチウムイオン二次電池 | |
| JP6832474B2 (ja) | リチウムイオン二次電池用正極材料、正極活物質層、及びリチウムイオン二次電池 | |
| JP2023545832A (ja) | 高度なリチウムイオンエネルギー貯蔵デバイス | |
| CN115552662A (zh) | 电池及其制造方法 | |
| US20260024741A1 (en) | Dry electrode and manufacturing method thereof | |
| KR20250116944A (ko) | 전고체 전지의 제조방법 및 이로부터 제조된 전고체 전지 | |
| WO2022208625A1 (ja) | 蓄電デバイス用電極およびリチウムイオン二次電池 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170201 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20171220 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180109 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180406 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180703 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190226 |
