PL3902035T3 - Materiał aktywny elektrody ujemnej dla litowej baterii wielokrotnego ładowania i zawierająca go litowa bateria wielokrotnego ładowania - Google Patents
Materiał aktywny elektrody ujemnej dla litowej baterii wielokrotnego ładowania i zawierająca go litowa bateria wielokrotnego ładowaniaInfo
- Publication number
- PL3902035T3 PL3902035T3 PL20740917.8T PL20740917T PL3902035T3 PL 3902035 T3 PL3902035 T3 PL 3902035T3 PL 20740917 T PL20740917 T PL 20740917T PL 3902035 T3 PL3902035 T3 PL 3902035T3
- Authority
- PL
- Poland
- Prior art keywords
- secondary battery
- lithium secondary
- negative electrode
- active material
- electrode active
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/22—Magnesium silicates
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- 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
- H01M4/1395—Processes of manufacture of 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
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- H01M2004/027—Negative 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190007121A KR102682363B1 (ko) | 2019-01-18 | 2019-01-18 | 리튬이차전지용 음극 활물질 및 이를 포함한 리튬이차전지 |
| PCT/KR2020/000961 WO2020149724A1 (ko) | 2019-01-18 | 2020-01-20 | 리튬이차전지용 음극 활물질 및 이를 포함한 리튬이차전지 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3902035T3 true PL3902035T3 (pl) | 2025-06-09 |
Family
ID=71613832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20740917.8T PL3902035T3 (pl) | 2019-01-18 | 2020-01-20 | Materiał aktywny elektrody ujemnej dla litowej baterii wielokrotnego ładowania i zawierająca go litowa bateria wielokrotnego ładowania |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11942640B2 (pl) |
| EP (1) | EP3902035B1 (pl) |
| JP (1) | JP7239712B2 (pl) |
| KR (1) | KR102682363B1 (pl) |
| CN (1) | CN113728465B (pl) |
| ES (1) | ES3019389T3 (pl) |
| HU (1) | HUE070836T2 (pl) |
| PL (1) | PL3902035T3 (pl) |
| WO (1) | WO2020149724A1 (pl) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102590434B1 (ko) | 2020-09-11 | 2023-10-18 | 주식회사 엘지에너지솔루션 | 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 이차 전지 |
| CN112151771B (zh) * | 2020-09-27 | 2022-04-12 | 溧阳天目先导电池材料科技有限公司 | 一种含硅酸盐骨架的硅基负极材料、负极片和锂电池 |
| CN112289993B (zh) * | 2020-10-26 | 2022-03-11 | 合肥国轩高科动力能源有限公司 | 一种碳包覆核壳结构氧化亚硅/硅复合材料及其制备方法 |
| CA3209568A1 (en) * | 2021-07-05 | 2023-01-12 | Lg Energy Solution, Ltd. | Composite negative electrode active material, method for preparing same, negative electrode comprising same, and secondary battery |
| WO2023018258A1 (ko) * | 2021-08-13 | 2023-02-16 | 주식회사 엘지에너지솔루션 | 음극 활물질, 이를 포함하는 음극, 이를 포함하는 이차전지 및 음극 활물질의 제조방법 |
| KR102699432B1 (ko) * | 2021-11-30 | 2024-08-27 | 주식회사 지아이텍 | 나노 실리콘 복합물 및 이의 제조 방법 |
| KR102817533B1 (ko) * | 2022-03-24 | 2025-06-10 | 주식회사 시리에너지 | 리튬 이차전지용 실리콘계 음극, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
| WO2024024273A1 (ja) * | 2022-07-29 | 2024-02-01 | パナソニックエナジー株式会社 | 二次電池 |
| JP2025537894A (ja) * | 2023-03-06 | 2025-11-20 | 香港時代新能源科技有限公司 | シリコン系負極活物質及びその調製方法、二次電池並びに電力使用装置 |
| US20240347698A1 (en) * | 2023-04-14 | 2024-10-17 | Honeycomb Battery Company | Porous Carbon Structure-Hosted Silicon Oxide (SiOx), Anode, Lithium-ion Battery, and Production Method |
| KR102883863B1 (ko) * | 2023-05-23 | 2025-11-11 | 주식회사 지아이텍 | 나노 실리케이트 복합물, 이의 제조 방법, 이를 포함하는 전극 조성물 및 전극 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5369708B2 (ja) * | 2009-01-26 | 2013-12-18 | 旭硝子株式会社 | 二次電池用負極材料およびその製造方法 |
| CN101533907B (zh) * | 2009-04-14 | 2010-10-27 | 北京科技大学 | 一种锂离子电池硅基负极复合材料的制备方法 |
| JP5406799B2 (ja) * | 2010-07-29 | 2014-02-05 | 信越化学工業株式会社 | 非水電解質二次電池用負極材とその製造方法及びリチウムイオン二次電池 |
| WO2014095811A1 (en) * | 2012-12-20 | 2014-06-26 | Umicore | Negative electrode material for a rechargeable battery and method for producing the same |
| US9431652B2 (en) | 2012-12-21 | 2016-08-30 | Lg Chem, Ltd. | Anode active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including the anode active material |
| KR101582385B1 (ko) * | 2012-12-21 | 2016-01-04 | 주식회사 엘지화학 | 리튬 이차 전지용 음극재, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
| WO2015065095A1 (ko) | 2013-10-31 | 2015-05-07 | 주식회사 엘지화학 | 리튬 이차전지용 음극활물질 및 그 제조방법 |
| JP6430489B2 (ja) * | 2014-03-24 | 2018-11-28 | 株式会社東芝 | 非水電解質電池用負極活物質、非水電解質二次電池用負極、非水電解質二次電池及び電池パック |
| KR101586816B1 (ko) * | 2015-06-15 | 2016-01-20 | 대주전자재료 주식회사 | 비수전해질 이차전지용 음극재, 이의 제조방법, 및 이를 포함하는 비수전해질 이차전지 |
| WO2017091543A1 (en) | 2015-11-25 | 2017-06-01 | Corning Incorporated | Porous silicon compositions and devices and methods thereof |
| CN109155409B (zh) | 2016-05-30 | 2021-08-31 | 信越化学工业株式会社 | 负极活性物质、混合负极活性物质材料、及负极活性物质的制备方法 |
| JP6573646B2 (ja) | 2016-06-09 | 2019-09-11 | 株式会社大阪チタニウムテクノロジーズ | 酸化珪素系負極材 |
| KR101960855B1 (ko) * | 2017-03-20 | 2019-03-21 | 대주전자재료 주식회사 | 리튬 이차전지 음극재용 실리콘 복합산화물 및 이의 제조방법 |
| KR102002136B1 (ko) | 2017-07-11 | 2019-07-24 | 주식회사 지파워 | 피부 관리 시스템 및 이의 제어 방법 |
-
2019
- 2019-01-18 KR KR1020190007121A patent/KR102682363B1/ko active Active
-
2020
- 2020-01-20 ES ES20740917T patent/ES3019389T3/es active Active
- 2020-01-20 HU HUE20740917A patent/HUE070836T2/hu unknown
- 2020-01-20 US US17/420,592 patent/US11942640B2/en active Active
- 2020-01-20 PL PL20740917.8T patent/PL3902035T3/pl unknown
- 2020-01-20 EP EP20740917.8A patent/EP3902035B1/en active Active
- 2020-01-20 WO PCT/KR2020/000961 patent/WO2020149724A1/ko not_active Ceased
- 2020-01-20 CN CN202080009651.0A patent/CN113728465B/zh active Active
- 2020-01-20 JP JP2021539674A patent/JP7239712B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3902035B1 (en) | 2025-03-19 |
| EP3902035A4 (en) | 2022-03-16 |
| JP2022516664A (ja) | 2022-03-01 |
| CN113728465A (zh) | 2021-11-30 |
| KR102682363B1 (ko) | 2024-07-04 |
| CN113728465B (zh) | 2024-09-17 |
| US11942640B2 (en) | 2024-03-26 |
| JP7239712B2 (ja) | 2023-03-14 |
| US20220077467A1 (en) | 2022-03-10 |
| WO2020149724A1 (ko) | 2020-07-23 |
| KR20200090058A (ko) | 2020-07-28 |
| EP3902035A1 (en) | 2021-10-27 |
| ES3019389T3 (en) | 2025-05-20 |
| HUE070836T2 (hu) | 2025-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3678230B8 (en) | Negative electrode active material, negative electrode including the same and lithium secondary battery including the same | |
| PL3902035T3 (pl) | Materiał aktywny elektrody ujemnej dla litowej baterii wielokrotnego ładowania i zawierająca go litowa bateria wielokrotnego ładowania | |
| PL3819963T3 (pl) | Ujemny materiał czynny dla baterii litowej wielokrotnego ładowania i zawierająca go bateria litowa wielokrotnego ładowania | |
| HUE067131T2 (hu) | Negatív elektróda aktív anyag lítium szekunder akkumulátorhoz, és negatív elektróda lítium szekunder akkumulátorhoz, és az azt tartalmazó lítium szekunder akkumulátor | |
| HUE066212T2 (hu) | Negatív elektróda aktív anyag lítium szekunder akkumulátorhoz, az azt tartalmazó negatív elektróda lítium szekunder akkumulátorhoz, és az azt tartalmazó szekunder akkumulátor | |
| GB202002734D0 (en) | Positive electrode active material, positive electrode having the same and lithium secondary battery | |
| HUE066546T2 (hu) | Aktív katódanyag lítium szekunder akkumulátor számára és lítium szekunder akkumulátor, amely tartalmaz katódot beleértve aktív katódanyagot | |
| HUE065895T2 (hu) | Negatív elektróda aktív anyag lítium szekunder akkumulátorhoz, és eljárás annak elõállítására | |
| HUE065787T2 (hu) | Negatív elektróda aktív anyag lítium szekunder akkumulátorhoz, eljárás annak elõállítására, és negatív elektróda lítium szekunder akkumulátorhoz és az azt tartalmazó lítium szekunder akkumulátor | |
| PL3683871T3 (pl) | Materiał czynny elektrody ujemnej dla akumulatora litowego i zawierający go akumulator litowy | |
| EP3905391A4 (en) | ACTIVE MATERIAL OF POSITIVE ELECTRODE FOR SECONDARY NON-AQUEOUS ELECTROLYTE BATTERY AND SECONDARY NON-AQUEOUS ELECTROLYTE BATTERY | |
| PL3675251T3 (pl) | Materiał aktywny elektrody ujemnej dla litowej baterii akumulatorowej, zawierająca go elektroda ujemna oraz litowo-jonowa bateria akumulatorowa zawierająca elektrodę ujemną | |
| PL3893295T3 (pl) | Elektroda ujemna i zawierająca ją litowa bateria akumulatorowa | |
| PL3872896T3 (pl) | Elektroda ujemna dla litowej baterii wielokrotnego ładowania i zawierająca ją litowa bateria wielokrotnego ładowania | |
| EP3748741A4 (en) | NEGATIVE ELECTRODE ACTIVE FOR A LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR A LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY | |
| HUE067656T2 (hu) | Negatív elektróda aktív anyag lítium szekunder akkumulátorhoz és az azt tartalmazó negatív elektróda és lítium szekunder akkumulátor | |
| HUE062302T2 (hu) | Pozitív elektróda aktív anyag és az azt tartalmazó lítium szekunder akkumulátor | |
| PL3671911T3 (pl) | Elektroda ujemna dla akumulatora litowego i akumulator litowo-jonowy ją zawierający | |
| PL3783708T3 (pl) | Materiał aktywny elektrody dodatniej do litowej baterii akumulatorowej i zawierająca go litowa bateria akumulatorowa | |
| EP3748742A4 (en) | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY | |
| EP3748740A4 (en) | NEGATIVE ELECTRODE ACTIVE FOR A LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR A LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY | |
| PL3808707T3 (pl) | Materiał aktywny elektrody dodatniej i zawierająca go litowa bateria akumulatorowa | |
| HUE070676T2 (hu) | Pozitív elektróda aktív anyag és az azt alkalmazó lítium szekunder akkumulátor | |
| KR102413184B9 (ko) | 리튬 이차 전지용 음극 활물질 및 이를 사용해 제조된 리튬 이차 전지 | |
| HUE070187T2 (hu) | Készítmény negatív elektróda aktív anyag bevonására, negatív elektróda aktív anyag és az azt tartalmazó negatív elektróda lítium szekunder akkumulátorhoz |