EP3785317A1 - Verfahren zum betreiben einer lithiumionenbatterie, lithiumionenbatterie und kraftfahrzeug - Google Patents
Verfahren zum betreiben einer lithiumionenbatterie, lithiumionenbatterie und kraftfahrzeugInfo
- Publication number
- EP3785317A1 EP3785317A1 EP19714651.7A EP19714651A EP3785317A1 EP 3785317 A1 EP3785317 A1 EP 3785317A1 EP 19714651 A EP19714651 A EP 19714651A EP 3785317 A1 EP3785317 A1 EP 3785317A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lithium
- ion battery
- electrolyte
- solvent
- lithium ion
- 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
Classifications
-
- 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
- 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
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
-
- 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
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
-
- 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 method for operating a
- Lithium ion battery, a lithium ion battery and a motor vehicle with high application safety and service life Lithium ion battery, a lithium ion battery and a motor vehicle with high application safety and service life.
- Lithium ion batteries are so far on an operation in one
- the cell nucleus is brought to a suitable temperature by means of a heater, as for example from DE
- Lithium ion battery very complex and involves risks in the safety and thus the longevity of the lithium-ion battery.
- Lithium-ion battery which is designed in particular as a lithium-ion accumulator, and which comprises at least one lithium-ion cell, usually a plurality of stacked lithium-ion cells, and a heating device.
- Each lithium-ion cell further includes an anode, a cathode, a separator, a current collector, and an electrolyte.
- the heater is set up the
- Lithium ion battery in a temperature range between 5 and 90 ° C to operate.
- the lithium-ion cell is thus in particular by
- the lithium ion battery is operated only in positive temperature ranges and is designed only then.
- the electrolyte comprises either LiBOB (lithium bisoxalatoborate) as the conducting salt and at least one solvent selected from: PC
- This electrolyte does not contain LiPF 6 which tends to form HF. Thus, the user safety is improved.
- the solvents have high boiling points, which significantly increases the safety during operation of the lithium-ion battery.
- this electrolyte is very compatible with graphite, which is usually present in the electrodes of the battery, in particular on the anode side, so that the
- LiBOB is also characterized by a high thermal stability, which extends the life of the lithium-ion battery
- Lithium ion battery is also beneficial.
- the electrolyte comprises LiFSI (lithium bis (fluorosulfonyl) imidate) and / or LiDFOB (lithium difluorooxalato borate) as the conductive salt and at least one
- Glycol ethers and / or DMC dimethyl carbonate
- DMC dimethyl carbonate
- this electrolyte does not contain LiPF 6 which tends to form HF, thereby improving the user safety of the lithium ion battery.
- the conductive salts used are very stable. Glycol ethers and DMC usually have high boiling points, so that from this point of view
- the electrolyte comprises LiFSI
- LiTFSI Lithium bis (fluorosulfonyl) imidate
- LiDFOB Lithium bis (trifluoromethane) sulfonimidate
- LiTDI lithium 4,5-dicyano-2- (trifluoromethyl) imidazole as the conductive salt and at least one compound selected from: imidazolium, pyrrolidinium and
- Piperidinium compounds as solvent This means that one or more imidazolium compounds, one or more
- PyrrolidiniumENSen or one or more imidazolium compounds or any combination of these compounds can be used as a solvent.
- the abovementioned solvents are characterized by low vapor pressures, are non-combustible up to about 200 ° C. and have high flash points.
- this electrolyte does not contain LiPF 6 which tends to form HF, thereby further improving the user safety of the lithium ion battery.
- the conductive salts are characterized by a high thermal stability, which is also beneficial to the thermal stability of the lithium-ion battery.
- the inventive method thus enables the operation of a
- Lithium ion battery with high user safety, good thermal stability and thus very good longevity of the battery at high power density and voltage By designing the operation of the lithium-ion battery in a temperature range of 5 to 90 ° C also eliminates the need for a Cooling, which significantly simplifies the process. In addition, this allows further design possibilities in the material and design of the lithium-ion battery.
- glycol ether is preferably selected from: 1, 1 - dimethoxyethane, 1, 2-dimethoxyethane, bis (2-methoxyethyl) ether and mixtures thereof.
- Piperidinium compounds a fluorinated anion.
- Flash point and low flammability is the pyrrolidinium compound 1 - propyl-1 -methylpyrrolidiniumbis (fluorosulfonyl) imide.
- the user safety can be further improved by the advantageous development, according to which the electrolyte is free of fluorinated conductive salts, in particular of LiPFe.
- the electrolyte further comprises at least one anticorrosion additive, in particular at least one anticorrosion additive containing fluorine, before the lithium ion battery is started up.
- Suitable corrosion protection additives can be selected by the person skilled in the art from commercially available corrosion protection additives.
- As a corrosion protection additive for aluminum in particular LiPF 6 in small amounts, ie with a maximum of 3 wt .-%, based on the total mass of Electrolytes, are used.
- the UPF 6 is completely used for the formation of a corrosion protection layer on aluminum-containing surfaces, such as the housing or the
- the heater is an in-cell heater. This means that the heater is placed directly inside the cell between e.g. so-called jelly rolls or electrode stacks, is arranged so that the heat input is significantly facilitated at high efficiency.
- the heating device can also be arranged on the outside of the cell housing, wherein the heating energy comes from the cell itself, analogous to the cell-internal heating.
- the heater can be exemplified in the form of
- a further aspect of the invention relates to a lithium-ion battery, which is designed in particular as a lithium-ion secondary battery, and the at least one lithium-ion cell and a heating device, in particular in the form of an internal cell heater, wherein the heating device is arranged, the lithium-ion battery in a temperature range between 5 and 90 ° C, wherein the lithium-ion cell comprises an anode, a cathode, a separator, a current collector and an electrolyte, and wherein the electrolyte comprises LiBOB as conductive salt and at least one selected from: PC and EC as solvent or LiFSI and / or LiDFOB as Conducting salt and at least one glycol ether and / or DMC as a solvent or LiFSI and / or LiTFSI and / or LiDFOB and / or LiTDI as conductive salt and at least one compound selected from: imidazolium compounds, pyrrolidinium compounds and piperidinium compounds as solvent.
- the electrolyte
- the lithium ion battery according to the invention is operated in particular by application of the heater in a temperature range of 5 to 90 ° C, in particular from 10 to 80 ° C, and is characterized by the inventively designed electrolyte in combination with the heater at high power density by a high level of user safety, a long life and high
- Another aspect of the invention also describes a motor vehicle comprising a lithium ion battery as disclosed above.
- Motor vehicle is characterized by a permanently high performance and safe use. Due to the proposed heater eliminates the
- Cooling circuit must be provided, which could affect the compactness of the motor vehicle.
- Figure 1 is a schematic sectional view of a lithium ion battery according to an embodiment of the invention.
- Figure 1 shows a lithium-ion battery 1, in particular as
- Lithium ion accumulator is formed, and comprising a lithium-ion cell and a heater 2.
- the heating device 2 is designed in the form of a cell internal heating device. It goes without saying that a lithium-ion battery can comprise several, in particular stacked, lithium-ion cells.
- the lithium-ion cell comprises an anode 4, a cathode 5, a separator 6, current conductors 7 and an electrolyte 3.
- the anode 4 and the cathode 5 are like usually trained and usually include a
- the electrolyte 3 may be present in the anode 4, the cathode 5 and the separator 6 and possibly also in the separators 7 and comprises LiBOB as conductive salt and at least one solvent selected from: PC and EC, wherein also mixtures of PC and EC can be used.
- the electrolyte 3 may comprise LiFSI and / or LiDFOB as a guideline and at least one glycol ether and / or DMC as solvent or LiFSI and / or LiTFSl and / or LiDFOB and / or LiTDI as conductive salt and at least one compound selected from: imidazolium compounds,
- the lithium-ion battery 1 according to the invention is usually arranged in a housing and is operated in particular by application of the heating device 2 in a temperature range from 5 to 90 ° C., in particular from 10 to 80 ° C.
- the lithium ion battery 1 is due to the compact structure, the very good thermal stability, high user safety and high longevity with very good power density, especially for use in a motor vehicle.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018206383.4A DE102018206383A1 (de) | 2018-04-25 | 2018-04-25 | Verfahren zum Betreiben einer Lithiumionenbatterie, Lithiumionenbatterie und Kraftfahrzeug |
| PCT/EP2019/058023 WO2019206563A1 (de) | 2018-04-25 | 2019-03-29 | Verfahren zum betreiben einer lithiumionenbatterie, lithiumionenbatterie und kraftfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3785317A1 true EP3785317A1 (de) | 2021-03-03 |
Family
ID=65995754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19714651.7A Pending EP3785317A1 (de) | 2018-04-25 | 2019-03-29 | Verfahren zum betreiben einer lithiumionenbatterie, lithiumionenbatterie und kraftfahrzeug |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11996513B2 (de) |
| EP (1) | EP3785317A1 (de) |
| JP (2) | JP2021522656A (de) |
| KR (1) | KR102501326B1 (de) |
| CN (1) | CN112042032B (de) |
| DE (1) | DE102018206383A1 (de) |
| WO (1) | WO2019206563A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7255434B2 (ja) * | 2019-09-17 | 2023-04-11 | Tdk株式会社 | リチウム二次電池 |
Citations (1)
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| US20170373284A1 (en) * | 2016-06-23 | 2017-12-28 | Government Of The United States As Represented By The Secretary Of The Air Force | Bendable, creasable, and printable batteries with enhanced safety and high temperture stability - methods of fabrication, and methods of using the same |
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-
2018
- 2018-04-25 DE DE102018206383.4A patent/DE102018206383A1/de active Pending
-
2019
- 2019-03-29 JP JP2020559386A patent/JP2021522656A/ja active Pending
- 2019-03-29 US US17/050,290 patent/US11996513B2/en active Active
- 2019-03-29 KR KR1020207028894A patent/KR102501326B1/ko active Active
- 2019-03-29 CN CN201980026928.8A patent/CN112042032B/zh active Active
- 2019-03-29 EP EP19714651.7A patent/EP3785317A1/de active Pending
- 2019-03-29 WO PCT/EP2019/058023 patent/WO2019206563A1/de not_active Ceased
-
2024
- 2024-02-28 JP JP2024028420A patent/JP2024069265A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170373284A1 (en) * | 2016-06-23 | 2017-12-28 | Government Of The United States As Represented By The Secretary Of The Air Force | Bendable, creasable, and printable batteries with enhanced safety and high temperture stability - methods of fabrication, and methods of using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019206563A1 (de) | 2019-10-31 |
| US11996513B2 (en) | 2024-05-28 |
| JP2021522656A (ja) | 2021-08-30 |
| KR102501326B1 (ko) | 2023-02-17 |
| DE102018206383A1 (de) | 2019-10-31 |
| JP2024069265A (ja) | 2024-05-21 |
| KR20200130394A (ko) | 2020-11-18 |
| CN112042032A (zh) | 2020-12-04 |
| CN112042032B (zh) | 2024-12-03 |
| US20210126280A1 (en) | 2021-04-29 |
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