WO2022253909A1 - Battery management system for high current charging - Google Patents
Battery management system for high current charging Download PDFInfo
- Publication number
- WO2022253909A1 WO2022253909A1 PCT/EP2022/064939 EP2022064939W WO2022253909A1 WO 2022253909 A1 WO2022253909 A1 WO 2022253909A1 EP 2022064939 W EP2022064939 W EP 2022064939W WO 2022253909 A1 WO2022253909 A1 WO 2022253909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- management system
- battery management
- battery
- high current
- power
- Prior art date
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 3
- 229910010689 LiFePC Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to charging of battery system, e.g. for vehicles.
- the invention is especially related to a 12V low voltage LiFePo4 battery can be series/parallel connection and support 3200W continuously output power with Bluetooth monitor.
- Such electronics is for example discussed in US8350529B2 where high output power is provided based on a special design of Battery Management System (BMS) and protection design on battery.
- BMS Battery Management System
- the object of the present invention is to provide a 12.8V LiFePC battery control circuitry which can support series/parallel connection with high current charge/discharge and bluetooth function. More specifically a solution is provided which make it possible to make battery connect in series and parallel, with small current(less than 100A), optionally with Bluetooth.
- Figure 1 shows a schematic view of the invention.
- Figure 2 illustrates part of the charging circuitry according to a preferred embodiment of the invention.
- the system is connected to a power source 1 providing power to a control unit or battery management system 2 for distributing the power to the battery unit 3.
- the control unit 2 is also connected to an external device, preferably a wireless connection to a Bluetooth device or similar for providing external control over the system.
- the system may be realized as a modular system with several batteries connected to the same control unit either though conventional connections or specially designed connectors, e.g. making a stack of batteries with common control system or with control units in each battery module being configured to communicate with other with wireless and/or wired connections.
- the control unit 2 be incorporated in a portable power unit as discussed in Norwegian patent application No. 20210701 , which is incorporated here by way of reference, e.g. for use in mobile vehicles or ships and may be configured to be connected to one or more different power supplies 1 depending on the use and available supplies, such as sun or wind power sources or hydrocarbon based generators as well as the available power grid, with necessary adaptations to the characteristics of the individual sources.
- Figure 2 illustrates the power distribution circuitry in the control unit 2 including a number of low resistance big current MOSFET, and extended to MOSFET pack by connected in parallel, and adapting same port charge/discharge solution.
- a 12V low voltage LiFePo4 battery can be series/parallel connection and support 3200W continuously output power with Bluetooth monitor including App with the following features: 1.
- the product can support max. 100V DC charge, that means the modules can be series connection easily. This can support 6 batteries in series at most.
- the output current has increased by connecting the MOSFET in parallel, which can support 250A output at most, and we using a integrated aluminum plate to cooling the BMS and reduce the working consumption.
- a 100Ah single cell big prismatic aluminum case is used to build the pack, the configuration is 2P4S.
- the battery can support 2C continuously output current, that is 400A in max.
- a brass connection plate to make the connection make sure the stable performance in high discharge current. What’s more, we make good protection design of the whole pack and BMS to support the high current output and using integrated aluminum case to support the cooling and safety system.
- the present invention relates to a battery management system, especially for high current charging of Lithium batteries.
- the system is connected to a power source of a suitable type and a Lithium battery pack to be charged.
- the battery management system includes a charging circuitry including a set of parallel low resistant MOSFET transistors distributing the power to the battery pack and a preferably a control system for monitoring the charging process.
- the system is preferably provided with means for wireless communication with an external device, e.g. using Bluetooth, and the charging circuitry is preferably positioned in an aluminum case for colling purposes, possibly with active cooling mechanisms.
- the connection between the charging circuitry and the battery pack is provided through a brass connection plate.
Abstract
The present invention relates to a battery management system (2) for high current charging of Lithium batteries, the system being connected to a power source (1) and a Lithium battery pack (3) to be charged, wherein the battery management system (2) includes a charging circuitry including a set of parallel low resistance MOSFET transistors distributing the power to the battery pack (3).
Description
BATTERY MANAGEMENT SYSTEM FOR HIGH CURRENT CHARGING
The present invention relates to charging of battery system, e.g. for vehicles. The invention is especially related to a 12V low voltage LiFePo4 battery can be series/parallel connection and support 3200W continuously output power with Bluetooth monitor.
As the conversion to green energy is evolving several technological steps are taken, such as replacing 12v lead batteries with LiFePC batteries and new electronics is made to adapt to those batteries and e.g. the fact that they have low temp performance is weaker than lead acid battery.
Such electronics is for example discussed in US8350529B2 where high output power is provided based on a special design of Battery Management System (BMS) and protection design on battery.
The object of the present invention is to provide a 12.8V LiFePC battery control circuitry which can support series/parallel connection with high current charge/discharge and bluetooth function. More specifically a solution is provided which make it possible to make battery connect in series and parallel, with small current(less than 100A), optionally with Bluetooth.
The objects of the present invention is obtained as specified in the accompanying claims.
The invention will be described below with reference to the accompanying drawings, illustrating the invention schematically by way of example.
Figure 1 shows a schematic view of the invention.
Figure 2 illustrates part of the charging circuitry according to a preferred embodiment of the invention.
In figure 1 the system is connected to a power source 1 providing power to a control unit or battery management system 2 for distributing the power to the battery unit 3. The control unit 2 is also connected to an external device, preferably a wireless connection to a Bluetooth device or similar for providing external control over the system. The system may be realized as a modular system with several batteries connected to the same control unit either though conventional connections or specially designed connectors, e.g. making a stack of batteries with common control system or with control units in each battery module being configured to communicate with other with wireless and/or wired connections.
The control unit 2 be incorporated in a portable power unit as discussed in Norwegian patent application No. 20210701 , which is incorporated here by way of reference, e.g. for use in mobile vehicles or ships and may be configured to be connected to one or more different power supplies 1 depending on the use and available supplies, such as sun or wind power sources or hydrocarbon based generators as well as the available power grid, with necessary adaptations to the characteristics of the individual sources.
Figure 2 illustrates the power distribution circuitry in the control unit 2 including a number of low resistance big current MOSFET, and extended to MOSFET pack by connected in parallel, and adapting same port charge/discharge solution.
This way a 12V low voltage LiFePo4 battery can be series/parallel connection and support 3200W continuously output power with Bluetooth monitor including App with the following features:
1. The product can support 250A high current continuously discharge safely and stable 12.8V*250A=3200W is the continuously discharge power.
2. The product can support max. 100V DC charge, that means the modules can be series connection easily. This can support 6 batteries in series at most. For example: single module is 12.8V 200Ah(2560Wh), after pack, which can be 12.8V200Ah *4 = 51.2V 200Ah (10240Wh)
The output current has increased by connecting the MOSFET in parallel, which can support 250A output at most, and we using a integrated aluminum plate to cooling the BMS and reduce the working consumption.
A 100Ah single cell big prismatic aluminum case is used to build the pack, the configuration is 2P4S. The battery can support 2C continuously output current, that is 400A in max.
A brass connection plate to make the connection, make sure the stable performance in high discharge current. What’s more, we make good protection design of the whole pack and BMS to support the high current output and using integrated aluminum case to support the cooling and safety system.
To summarize the present invention relates to a battery management system, especially for high current charging of Lithium batteries. The system is connected to a power source of a suitable type and a Lithium battery pack to be charged. The battery management system includes a charging circuitry including a set of parallel low resistant MOSFET transistors distributing the power to the battery pack and a preferably a control system for monitoring the charging process.
The system is preferably provided with means for wireless communication with an external device, e.g. using Bluetooth, and the charging circuitry is preferably
positioned in an aluminum case for colling purposes, possibly with active cooling mechanisms. The connection between the charging circuitry and the battery pack is provided through a brass connection plate.
Claims
1. Battery management system for high current charging of Lithium batteries, the system being connected to a power source of a suitable type and a Lithium battery pack to be charged, wherein the battery management system includes a charging circuitry including a set of parallel low resistant MOSFET transistors distributing the power to the battery pack.
2. System according to claim 1 , being provided with means for wireless communication with an external device, e.g. using Bluetooth.
3. System according to claim 1 , wherein the charging circuitry is positioned in an aluminum case.
4. System according to claim 1 , wherein the connection to the battery pack is provided through a brass connection plate.
5. System according to claim 1 , wherein the battery management system is configured to be connected to a number of batteries, providing a modular system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20210700 | 2021-06-03 | ||
| NO20210700 | 2021-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022253909A1 true WO2022253909A1 (en) | 2022-12-08 |
Family
ID=82258190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/064939 WO2022253909A1 (en) | 2021-06-03 | 2022-06-01 | Battery management system for high current charging |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2022253909A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011069162A1 (en) * | 2009-12-04 | 2011-06-09 | A123 Systems, Inc. | Battery with integrated power management system and scalable battery cutoff component |
| US8350529B2 (en) | 2006-11-10 | 2013-01-08 | Lithium Balance A/S | Battery management system |
| CN203398193U (en) * | 2013-09-10 | 2014-01-15 | 日照华轩新能源有限公司 | Lithium battery pack of electric fishing boat |
| WO2014122960A1 (en) * | 2013-02-08 | 2014-08-14 | 日立マクセル株式会社 | Secondary cell pack having protective circuit |
| US20170264123A1 (en) * | 2016-03-09 | 2017-09-14 | Servato Corporation | Battery management system and related techniques for adaptive, dynamic control of battery charging |
| CN208028636U (en) * | 2018-04-27 | 2018-10-30 | 内蒙古电力(集团)有限责任公司鄂尔多斯电业局 | A kind of electric charging unit of portable mono accumulator body supplement |
| US20190052109A1 (en) * | 2017-08-14 | 2019-02-14 | Lucas STURNFIELD | Coupling system and apparatus for parallel interconnection of independent battery modules |
| EP3514884A1 (en) * | 2018-01-17 | 2019-07-24 | TTI (Macao Commercial Offshore) Limited | Battery management system |
-
2022
- 2022-06-01 WO PCT/EP2022/064939 patent/WO2022253909A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8350529B2 (en) | 2006-11-10 | 2013-01-08 | Lithium Balance A/S | Battery management system |
| WO2011069162A1 (en) * | 2009-12-04 | 2011-06-09 | A123 Systems, Inc. | Battery with integrated power management system and scalable battery cutoff component |
| WO2014122960A1 (en) * | 2013-02-08 | 2014-08-14 | 日立マクセル株式会社 | Secondary cell pack having protective circuit |
| CN203398193U (en) * | 2013-09-10 | 2014-01-15 | 日照华轩新能源有限公司 | Lithium battery pack of electric fishing boat |
| US20170264123A1 (en) * | 2016-03-09 | 2017-09-14 | Servato Corporation | Battery management system and related techniques for adaptive, dynamic control of battery charging |
| US20190052109A1 (en) * | 2017-08-14 | 2019-02-14 | Lucas STURNFIELD | Coupling system and apparatus for parallel interconnection of independent battery modules |
| EP3514884A1 (en) * | 2018-01-17 | 2019-07-24 | TTI (Macao Commercial Offshore) Limited | Battery management system |
| CN208028636U (en) * | 2018-04-27 | 2018-10-30 | 内蒙古电力(集团)有限责任公司鄂尔多斯电业局 | A kind of electric charging unit of portable mono accumulator body supplement |
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