EP1290748A1 - Batterie, insbesondere flachzelle - Google Patents
Batterie, insbesondere flachzelleInfo
- Publication number
- EP1290748A1 EP1290748A1 EP01935900A EP01935900A EP1290748A1 EP 1290748 A1 EP1290748 A1 EP 1290748A1 EP 01935900 A EP01935900 A EP 01935900A EP 01935900 A EP01935900 A EP 01935900A EP 1290748 A1 EP1290748 A1 EP 1290748A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery according
- layer
- electrode
- electrodes
- folding
- 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.)
- Withdrawn
Links
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 4
- 239000011149 active material Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 12
- 238000009830 intercalation Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 229910000733 Li alloy Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
- H01M6/103—Cells with electrode of only one polarity being folded or wound
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded 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
-
- 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
Definitions
- the present invention relates to a battery, in particular a flat cell, with a first electrode made of lithium metal or alloy, a second electrode with a lithium ion intercalating active substance, a separator between the two electrodes and a housing with leads which surround the electrodes and the separator for the two electrodes.
- US Pat. No. 4,830,940 describes a battery in which the anode is designed as an elongated band and is folded several times in order to accommodate cathode plates in the individual folds. This creates a compact cell that is housed in a common housing. Although leads are provided at several points on the cathodes and the anode enclosing them in a snake-like manner, the arrangement of the cell in several layers increases the internal resistance of the cell.
- the object of the present invention is to propose a battery of the type mentioned at the beginning,
- the internal resistance of the electrodes is optimized, the current capacity is increased and the run-time is extended.
- the electrode carrying the active composition is a multilayer body formed by folding and in that the layer thickness of the active composition is the same between the individual folded layers.
- the support body of the electrode penetrates the active mass several times. This optimizes the internal resistance in the active mass layers between the individual folded layers (ion migration).
- the current capacity of the cell thus formed is increased because the surface of the electrode is increased considerably.
- the runtime of the cell is increased considerably because there is much more active material available in the electrode.
- the fold is a fan fold. It is advantageous according to the invention if the support body forming the leporello is ion-permeable and is coated on both sides with a layer of active material of the same layer thickness. The total layer thickness of the active material between the individual folding surfaces of the Leporello is always the same. A homogeneous current distribution is thus achieved.
- the leporello it is also possible for the leporello to be covered on both sides with a layer of active material of different layer thicknesses.
- the leporello is covered on one side with a thin layer of active material and on the other side on every other fold field with a thick layer of active material.
- a layer thickness ratio of 1: 2 the total thickness of the active material between the individual folding surfaces of the leporello is the same.
- Fig. 1 shows schematically a battery with a structure according to the invention
- Fig. 3 shows a possible other embodiment of the invention.
- Fig. 4 shows schematically an embodiment of the invention with a winding fold.
- the battery (FIG. 1) according to the invention comprises a housing part 8 for receiving a first electrode 1; 2; 3 e.g. made of lithium intercalating material, a housing part 10 for receiving the other electrode 7 e.g. made of lithium metal or its alloys and a separator 6 arranged between the two electrodes.
- the two housing parts 8 and 10 have leads, not shown, and are connected or insulated in a suitable manner in FIG. 14. At least one of the electrodes (1; 2; 3) is designed according to the invention.
- the electrode 1 has a carrier body 5 serving as a current conductor.
- This carrier body 5 is permeable to ions and is formed in a manner known per se from metal foil, expanded metal, metal mesh, electrically conductive perforated film, non-woven material or plastic foam and is coated on both sides with a layer of active material 4 of the same layer thickness.
- the electrode 1 with the carrier body 5 for the lithium ion intercalating active mass 4 is folded as a leporello and, according to the embodiment shown in FIG. 2, is coated with a layer of active mass 4 on both sides.
- the efficiency of the electrode 1 is increased decisively by the fact that the total active mass is penetrated several times by the folding of the carrier body 5, because a multilayer body is formed in which the distances between the individual folding surfaces of the leporello are the same. This is advantageously achieved when the layer thickness of the active composition 4 is the same on both sides of the fan.
- the same result can also be achieved in that the layer thicknesses of the active compositions are different on one and the other side of the carrier body 5 forming the fan.
- One side of the leporello is covered with a thin layer of 13 active material, while the other side of the leporello is covered with a thick layer of 12 active material on every second folding surface.
- the layer thickness of the thin layer 13 is half as large as the layer thickness of the thick layer 12, so that when the leporello is folded, the total layer thickness of the active material is again the same between the individual folding surfaces of the leporello.
- the number of folds of the leporello is limited. It is therefore already advantageous according to the invention if the multilayer body formed by the leporello has two folding surfaces. However, it is particularly advantageous if the leporello has four fold folds or more, the layer thickness of the active composition being between 25 and 150 ⁇ m. Layer thicknesses of 40 to 110 ⁇ m are particularly advantageous.
- the total thickness of the multilayer body of the battery forming the electrode 1 according to the invention should be less than 500 ⁇ m.
- the particular advantages of the battery according to the invention are the increase in the load capacity during discharging or recharging as a result of the reduction in the ion transport routes in the active composition 4; 12, 13.
- the design of the electrode 1; 2; 3 as a multi-layer body significantly the mechanical stability of the electrode and thus the battery as a whole.
- the battery according to the invention is in no way limited to the illustrated embodiments, but also includes all other configurations of the inventive concept expressed in claim 1.
- the folding of the electrode 3 can also be a winding fold, as shown in FIG. 4, the individual winding layers being able to be formed as often as desired. If the battery according to the invention does not have a flat cell shape, it is possible to design the multilayer body forming the electrode 3 in the form of a roll wrap. Without leaving the scope of the invention, it is also possible to form the multilayer body from a mixture of fan fold and wrap fold.
- the carrier body 5 is also not bound to the band shape assumed in the drawings. Rather, it can also e.g. L or cross-shaped if the active composition 4 has the same layer thickness on both sides of the carrier body 5.
- the surfaces of the layers of active material with a correspondingly compatible adhesive material, so that an intimate connection is formed between the layers lying against one another during folding.
- the multilayer body is thus self-supporting and contributes significantly to the overall mechanical stability of the battery.
- a first folding surface 15 of the carrier body 5 is uncoated and bears directly on the housing part 8 or its derivative. But it is also possible that the carrier body 5 is extended at least at one end in 5 ⁇ or 5 2 and has electrically conductive contact with the housing part 8.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH119300 | 2000-06-14 | ||
CH11932000 | 2000-06-14 | ||
PCT/CH2001/000353 WO2001097315A1 (de) | 2000-06-14 | 2001-06-07 | Batterie, insbesondere flachzelle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1290748A1 true EP1290748A1 (de) | 2003-03-12 |
Family
ID=4562318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01935900A Withdrawn EP1290748A1 (de) | 2000-06-14 | 2001-06-07 | Batterie, insbesondere flachzelle |
Country Status (7)
Country | Link |
---|---|
US (1) | US6808843B2 (de) |
EP (1) | EP1290748A1 (de) |
JP (1) | JP2004503912A (de) |
KR (1) | KR20020042643A (de) |
AU (1) | AU6199001A (de) |
CA (1) | CA2382099A1 (de) |
WO (1) | WO2001097315A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040026370A (ko) * | 2002-09-24 | 2004-03-31 | 삼성에스디아이 주식회사 | 리튬메탈 애노드 |
CN100420087C (zh) * | 2003-06-23 | 2008-09-17 | 比亚迪股份有限公司 | 层叠式锂离子二次电池 |
US7629077B2 (en) | 2004-02-26 | 2009-12-08 | Qinetiq Limited | Pouch cell construction |
US7594708B2 (en) * | 2005-12-30 | 2009-09-29 | Lexmark International, Inc. | Methods and apparatuses for sensing temperature of multi-via heater chips |
EP2273162B1 (de) * | 2009-07-06 | 2019-01-09 | Carl Freudenberg KG | Dichtungsrahmen zur Verwendung in einer Batterie |
US8709637B2 (en) | 2009-11-02 | 2014-04-29 | Samsung Sdi Co., Ltd. | Electrode assembly with centrally wound separator member |
US8642205B2 (en) | 2010-08-09 | 2014-02-04 | Motorola Mobility Llc | Electrochemical battery pack with reduced magnetic field emission and corresponding devices |
WO2013161053A1 (ja) * | 2012-04-27 | 2013-10-31 | 株式会社日本マイクロニクス | 二次電池 |
LT3471119T (lt) | 2017-10-10 | 2022-11-25 | Macrocaps Aps | Elektrodo mazgas, energijos kaupiklis, apimantis elektrodo mazgą, ir elektrodo mazgo gamybos būdas |
CN113054212B (zh) * | 2019-12-27 | 2022-07-15 | 宁德新能源科技有限公司 | 卷绕式电芯及电池 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4761352A (en) * | 1985-05-17 | 1988-08-02 | Eastman Kodak Company | Accordian folded electrode assembly |
JPS63174271A (ja) * | 1987-01-14 | 1988-07-18 | Yuasa Battery Co Ltd | 蓄電池用極板の製造方法 |
US5300373A (en) * | 1992-09-11 | 1994-04-05 | Valence Technology, Inc. | Electrochemical cell stack and method of making an electrochemical cell stack |
US5683834A (en) * | 1994-09-07 | 1997-11-04 | Fuji Photo Film Co., Ltd. | Nonaqueous secondary battery |
US5958088A (en) * | 1998-03-04 | 1999-09-28 | Duracell, Inc. | Prismatic cell construction |
-
2001
- 2001-06-07 US US10/049,757 patent/US6808843B2/en not_active Expired - Fee Related
- 2001-06-07 KR KR1020027002110A patent/KR20020042643A/ko not_active Application Discontinuation
- 2001-06-07 WO PCT/CH2001/000353 patent/WO2001097315A1/de not_active Application Discontinuation
- 2001-06-07 AU AU61990/01A patent/AU6199001A/en not_active Abandoned
- 2001-06-07 CA CA002382099A patent/CA2382099A1/en not_active Abandoned
- 2001-06-07 JP JP2002511414A patent/JP2004503912A/ja active Pending
- 2001-06-07 EP EP01935900A patent/EP1290748A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0197315A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2382099A1 (en) | 2001-12-20 |
AU6199001A (en) | 2001-12-24 |
WO2001097315A1 (de) | 2001-12-20 |
KR20020042643A (ko) | 2002-06-05 |
US20030031925A1 (en) | 2003-02-13 |
JP2004503912A (ja) | 2004-02-05 |
US6808843B2 (en) | 2004-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69216906T2 (de) | Elektrochemische Zelle mit Zieharmonikaartig gefallteter Elektrode mit verbesserter Leistung | |
DE3632130C2 (de) | Verfahren zur Herstellung einer Kathode und Mittel zur Durchführung des Verfahrens | |
DE102017116964A1 (de) | Hybridzellenkonstruktion von wechselweise gestapelten oder gewickelten lithium-ionen-batterien und kondensatorelektroden | |
DE102017201561A1 (de) | Lithium-ionen-akku- und kondensatorhybridsystem in einem einzelnen beutel | |
DE102010029282A1 (de) | Verfahren und Vorrichtung zur Herstellung einer Dünnschichtbatterie | |
DE3420585A1 (de) | Bipolare metall-luftsauerstoffbatterie mit einer sich selbst erhaltenden anode | |
DE112018007443T5 (de) | Hybride lithium-ionen-kondensator-batterie mit einer kohlenstoffbeschichtetenseparatorschicht und verfahren zu deren herstellung | |
DE102016204372A1 (de) | Energiespeichereinrichtung | |
DE112011100279T5 (de) | Batteriezellen- Modul für eine modulare Batterie mit einem verschachtelt angeordnetem Trennelement | |
WO2018059972A1 (de) | Verfahren zur herstellung einer elektrodeneinheit für eine batteriezelle und elektrodeneinheit | |
DE102016218495A1 (de) | Verfahren zur Herstellung eines Elektrodenstapels für eine Batteriezelle und Batteriezelle | |
DE102011076177A1 (de) | Schichtanordnung, Energiespeicher und Verfahren zum Herstellen eines Energiespeichers | |
EP1290748A1 (de) | Batterie, insbesondere flachzelle | |
DE112019002209T5 (de) | Elektrodenkonfiguration mit einem Protrusioninhibitions-Trennelement | |
DE2137753B2 (de) | Wiederaufladbare, abgedichtete, alkalische elektrochemische zelle mit einer zink enthaltenden negativen elektrode und einem mehrschichtigen separator | |
DE19540845B4 (de) | Wiederaufladbare nicht-wäßrige Lithiumbatterie mit schichtartig angeordneten elektrochemischen Zellen | |
DE102016217369A1 (de) | Elektrode mit erhöhtem Aktivmaterialanteil | |
DE102016215666A1 (de) | Elektrodenanordnung für Lithium-basierte galvanische Zellen und Verfahren zu deren Herstellung | |
DE102013209067A1 (de) | Batteriezelle mit einem Elektrodenensemble sowie eine Batterie und ein Kraftfahrzeug mit der Batteriezelle | |
DE102015201662A1 (de) | Galvanische Zelle mit flächiger Ableiteranordnung | |
DE2250187A1 (de) | Bleiakkumulator mit bipolaren elektroden | |
DE102021005543A1 (de) | Elektrodenpaket für eine Batterieeinzelzelle | |
DE2707051C3 (de) | Wiederaufladbares galvanisches Element | |
DE102017213377A1 (de) | Batteriezelle mit separatorseitig und/oder stirnseitig kontaktiertem Anodenschichtüberstand und/oder Kathodenschichtüberstand | |
DE202021105203U1 (de) | Elektrochemische Zink-Braunstein-Zelle mit schichtförmigem Aufbau und Batterie |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020305 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: LT LV RO SI |
|
17Q | First examination report despatched |
Effective date: 20060801 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20061212 |