PL447778A1 - Sposób wytwarzania dodatniej i ujemnej pasty elektrodowej do ogniw litowo-jonowych, sposób wytwarzania elektrod wykorzystujących te pasty elektrodowe oraz elektrody otrzymane tym sposobem - Google Patents
Sposób wytwarzania dodatniej i ujemnej pasty elektrodowej do ogniw litowo-jonowych, sposób wytwarzania elektrod wykorzystujących te pasty elektrodowe oraz elektrody otrzymane tym sposobemInfo
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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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
- H01M4/139—Processes of manufacture
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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
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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
- H01M4/48—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
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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
- H01M4/48—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
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
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- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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- H—ELECTRICITY
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- 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
- 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
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- H—ELECTRICITY
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- H01M4/00—Electrodes
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- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
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- 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
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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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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania pasty elektrodowej do ogniwa litowo-jonowego, który charakteryzuje się tym, że pasta elektrodowa zawiera dwa składniki stałe, tj. materiał aktywny w ilości powyżej 80% — 98% wag., korzystnie 95,0% - 97,5% wag. oraz spoiwo przewodzące PEDOT:PSS w ilości 2% — 20% wag., korzystnie 2,5% — 5,0% wag., przy czym spoiwo przeprowadza się na wstępnym etapie w postać zawiesiny w bezwodnym polarnym rozpuszczalniku organicznym, korzystnie aprotycznym, najkorzystniej w dimetylkosulfotlenku (DMSO), o zawartości polimeru 1% — 5% wag., korzystnie 2,5% wag., poprzez mieszanie mechaniczne przez 1 — 48 godzin, korzystnie 48 godzin, korzystnie z prędkością mieszanie nie mniejszą niż 400 obr./min, korzystnie nie mniejszą niż 1000 obr./min, korzystnie z wykorzystaniem ultrasonifikacji za pomocą głowicy ultradźwiękowej o mocy 10 — 500 W, korzystnie 150 W przez 0,1 — 2 min/ml pasty elektrodowej, korzystnie 0,5 min/ml pasty elektrodowej, a tak otrzymaną zawiesinę miesza się z materiałem aktywnym w pożądanej proporcji i poddaje się 2 — 5 godzinnej, korzystnie 4 godzinnej, homogenizacji mechanicznej z prędkością mieszania 200 — 500 obr./min, korzystnie 400 obr./min, a tak otrzymana homogenna pasta elektrodowa jest gotowa do użycia. Zgłoszenie obejmuje też sposób wytwarzania elektrod do ogniwa litowo-jonowego, który charakteryzuje się tym, że stosuje masę elektrodową opisaną powyżej, którą nakłada się, korzystnie za pomocą mechanicznego aplikatora, w postaci cienkiej homogennej warstwy o grubości 50 - 400 µm, korzystnie 200 µm, na podłoże przewodzące, korzystnie w postaci folii aluminiowej lub miedzianej, o grubości 5 — 50 µm, korzystnie 20 µm, a następnie suszy się pod ciśnieniem poniżej 10 mbar w temperaturze 110°C — 130°C przez 10 — 15 godzin, po czym wycina się elektrody o pożądanym kształcie i prasuje przez 60 sekund pod ciśnieniem 200 bar. Przedmiotem zgłoszenia są również elektrody do ogniwa litowo-jonowego, które charakteryzują się tym, że są wytworzone sposobem opisanym powyżej, z wykorzystaniem past elektrodowych opisanych powyżej, przy czym mają warstwę masy elektrodowej o grubości 50 — 400 µm, korzystnie 200 µm, nałożoną na podłoże przewodzące, korzystnie dla elektrody dodatniej w postaci folii aluminiowej o grubości 5 — 50 µm, korzystnie 20 µm, lub dla elektrody ujemnej w postaci folii miedzianej o grubości 5 — 50 µm, korzystnie 10 µm i charakteryzują się zawartością materiału aktywnego w suchej masie elektrodowej w zakresie 80% — 98% wag., korzystnie 95,0% — 97,5% wag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL447778A PL447778A1 (pl) | 2024-02-15 | 2024-02-15 | Sposób wytwarzania dodatniej i ujemnej pasty elektrodowej do ogniw litowo-jonowych, sposób wytwarzania elektrod wykorzystujących te pasty elektrodowe oraz elektrody otrzymane tym sposobem |
| PCT/IB2025/051610 WO2025172925A1 (en) | 2024-02-15 | 2025-02-14 | Method for producing positive and negative electrode pastes for lithium-ion cells, method for producing electrodes using these electrode pastes, and electrodes thus obtained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL447778A PL447778A1 (pl) | 2024-02-15 | 2024-02-15 | Sposób wytwarzania dodatniej i ujemnej pasty elektrodowej do ogniw litowo-jonowych, sposób wytwarzania elektrod wykorzystujących te pasty elektrodowe oraz elektrody otrzymane tym sposobem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL447778A1 true PL447778A1 (pl) | 2025-08-18 |
Family
ID=95482988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL447778A PL447778A1 (pl) | 2024-02-15 | 2024-02-15 | Sposób wytwarzania dodatniej i ujemnej pasty elektrodowej do ogniw litowo-jonowych, sposób wytwarzania elektrod wykorzystujących te pasty elektrodowe oraz elektrody otrzymane tym sposobem |
Country Status (2)
| Country | Link |
|---|---|
| PL (1) | PL447778A1 (pl) |
| WO (1) | WO2025172925A1 (pl) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233243A (zh) * | 2019-05-23 | 2019-09-13 | 银隆新能源股份有限公司 | 一种钛酸锂负极极片的制备方法、钛酸锂负极极片及含有该负极极片的锂离子电池 |
| CN109721713B (zh) * | 2018-12-27 | 2021-10-22 | 清远佳致新材料研究院有限公司 | 一种电导率高的锂离子电池正极浆料及制备方法 |
-
2024
- 2024-02-15 PL PL447778A patent/PL447778A1/pl unknown
-
2025
- 2025-02-14 WO PCT/IB2025/051610 patent/WO2025172925A1/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721713B (zh) * | 2018-12-27 | 2021-10-22 | 清远佳致新材料研究院有限公司 | 一种电导率高的锂离子电池正极浆料及制备方法 |
| CN110233243A (zh) * | 2019-05-23 | 2019-09-13 | 银隆新能源股份有限公司 | 一种钛酸锂负极极片的制备方法、钛酸锂负极极片及含有该负极极片的锂离子电池 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025172925A1 (en) | 2025-08-21 |
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