CN105811540A - Safe high-discharging-rate lithium battery pack module - Google Patents
Safe high-discharging-rate lithium battery pack module Download PDFInfo
- Publication number
- CN105811540A CN105811540A CN201610357707.7A CN201610357707A CN105811540A CN 105811540 A CN105811540 A CN 105811540A CN 201610357707 A CN201610357707 A CN 201610357707A CN 105811540 A CN105811540 A CN 105811540A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- discharge
- battery pack
- module
- charging
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 137
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 11
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 9
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 9
- 239000007774 positive electrode material Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000006258 conductive agent Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 150000002641 lithium Chemical class 0.000 claims description 2
- 238000007726 management method Methods 0.000 description 20
- 238000004146 energy storage Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 208000031639 Chromosome Deletion Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002994 raw material Substances 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H02J2007/0067—
-
- 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
- H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
-
- 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
- H02J7/00306—Overdischarge protection
-
- 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
Abstract
The invention relates to a safe high-discharging-rate lithium battery pack module comprising a battery pack, a high-discharging-rate relay and a battery pack charging and discharging management system which are in circuit connection. The lithium battery pack comprises a plurality of individual lithium batteries in series connection, a short-circuit piece connects an anode of one individual lithium battery to a cathode of another individual lithium battery, and the whole lithium battery pack comprises an output anode and an output cathode; the high-discharging-rate relay is connected with the output anode of the lithium battery pack and the battery pack charging and discharging management system, the battery pack charging and discharging management system comprises a charging and discharging management module, a voltage protection module and a current protection module, an input end of the charging and discharging management module is connected with an outside charging power source while a first output end of the same is connected with the lithium batteries, and a second output end of the lithium battery charging and discharging management module, the voltage protection module and the current protection module are sequentially connected. The lithium battery pack module realizes serial connection of the individual batteries and is long in standby time, long in circulating life and high in stability.
Description
Technical field
The present invention relates to a kind of safe high-discharge-rate lithium battery pack module.
Background technology
Along with the progress of technology, the application of lithium ion battery is no longer limited to digital product and the small-sized electric tools such as mobile phone, MP3, camera, has spread over electric automobile and large-scale stored energy application.The life requirements of Prospect of EVS Powered with Batteries is 3 years 100000 kilometers of distance travelleds, and energy-storage battery requires the service life up to more than 10 years especially.
But lithium battery does not have high discharge-rate at present, and modal is exactly (1C=1 hour rate rated capacity (A.H) within 30C；As: the battery 1C=8A of 8AH).The such as battery of a joint 8AH, its maximum discharge current is exactly 30 × 8=240 ampere.This far from adapts to the oversize vehicle of great start-up current.
The voltage of each single lithium battery only has 3.2V, but a lot of fields are it is desirable that 6V, 12V, 24V, 48V etc. at present.If not adopting series connection, then the application of lithium battery monomer will be significantly limited.Very widely used today maintenance-free lead-acid battery, is also made up of monomer series-connected in fact, and each monomer is 2V.
Current part portable power source manufacturer, the random combo of single lithium battery to the same specification of same battery supplier is taked when group joins energy-storage lithium battery group, the manufacturer that Technical comparing is leading then takes on the former basis, then requires the random combo of single lithium battery of same batch.Energy-storage lithium battery group belongs to electrochemical product, and its performance is subject to raw material, technique, environment (such as temperature, humidity etc.) impact is very big, even the single lithium battery of same batch, its performance there is also certain discreteness, if different batches, its discreteness will be bigger.Therefore in energy-storage lithium battery group charge and discharge process, meeting is inconsistent because of single lithium battery parameter, thus cause battery overcharge, overdischarge, stand-by time is short, service life cycle is short, safety and stability is low, there is the potential risk causing the major accidents such as portable power source burning, even blast on fire.
Summary of the invention
The present invention provides a kind of safe high-discharge-rate lithium battery pack module, realize the series connection of more piece cell, and solve in prior art exist when supplied materials single lithium battery occur inconsistent time, partial monosomy lithium battery overcharge, overdischarge can be caused, and cause that electric power storage lithium battery group stand-by time is short, cycle life is short, the problem that safety and stability is low.
The present invention is the technical scheme realizing the employing of above-mentioned technical purpose:
A kind of safe high-discharge-rate lithium battery pack module, it is characterised in that this lithium battery pack module comprises set of cells, high electric discharge relay and the battery set charge/discharge management system that circuit connects；Described lithium battery group comprises the single lithium battery of some series connection, and the positive pole that saves single lithium battery is connected to the negative pole of another joint single lithium battery by short circuit sheet, and whole lithium battery group comprises and also comprises output cathode and output negative pole；Described high electric discharge relay connects output cathode and the battery set charge/discharge management system of lithium battery group；Described battery set charge/discharge management system comprises management of charging and discharging module, voltage protection module, overcurrent protection module; the input termination external charging power supply of management of charging and discharging module; first output termination lithium battery, described charging and discharging lithium battery management the second outfan of module, voltage protection module, overcurrent protection module are sequentially connected.
The present invention propose a kind of safe high-discharge-rate lithium battery pack module it is preferred that scheme is:
Wherein, short circuit sheet adopts the copper sheet of silver-plated process.
Wherein, single lithium battery includes positive plate, negative plate, barrier film, electrolyte and shell, and described positive plate includes collector and coating positive electrode on a current collector, and this positive electrode includes positive active material, binding agent and conductive agent.
Wherein, positive active material comprises nanoscale LiFePO4 and micron order LiMn2O4, and the weight ratio of described nanoscale LiFePO4 and micron order LiMn2O4 is 1:5～1:8.Positive active material one side coated weight on a current collector is 60～150g/m2.Middle particle diameter D50 in nanoscale LiFePO4 is distributed as 200nm-700nm.Middle particle diameter D50 in micron order LiMn2O4 is distributed as 1um-12um.
Wherein, the management of charging and discharging module magnitude of voltage according to the lithium battery monitored and external charging power supply, start lithium battery and be charged or discharge.
Wherein, voltage protection module monitoring lithium battery discharge voltage size, when discharge voltage is lower than minimum discharge voltage thresholding, disconnect discharge loop.
Wherein, described overcurrent protection module monitoring lithium battery discharge current size, when lithium battery discharge current is beyond maximum discharge current thresholding, disconnect discharge loop.
Accompanying drawing explanation
Fig. 1 is the module map of the safe high-discharge-rate lithium battery pack module of the present invention；
Fig. 2 is the present invention safe high-discharge-rate lithium battery group method for managing charge/discharge schematic flow sheet.
Detailed description of the invention
As it is shown in figure 1, a kind of safe high-discharge-rate lithium battery pack module provided by the invention comprises lithium battery group 101, high electric discharge relay 102 and the battery set charge/discharge management system 103 that circuit connects；Described lithium battery group comprises the single lithium battery 1011 of some series connection, and the positive pole that saves single lithium battery is connected to the negative pole of another joint single lithium battery by short circuit sheet 1012, and whole lithium battery group comprises and also comprises output cathode 1014 and output negative pole 1013；
In the present embodiment, adopting four joint single lithium battery 1011 to be composed in series ferric phosphate lithium cell group, often joint single lithium battery 1011 voltage is 3.2 volts, after four joints are connected by short circuit sheet 1012, the voltage of ferric phosphate lithium cell group 101 is 3.2 volts of х 4=12.8 volts, it is possible to substitute common 12V lead-acid battery；
Between lithium battery group, the copper sheet after the silver-plated process of abutment surface is connected in series as short circuit sheet；
Output cathode 1014 and output negative pole 1013 surface gold-plating process, with cell contact resistance pond less than 0.5 milliohm, to meet the requirement of heavy-current discharge；
Described single lithium battery 1011 includes positive plate, negative plate, barrier film, electrolyte and shell, and described positive plate includes collector and coating positive electrode on a current collector, and this positive electrode includes positive active material, binding agent and conductive agent；
Described positive active material comprises nanoscale LiFePO4 and micron order LiMn2O4, and the weight ratio of described nanoscale LiFePO4 and micron order LiMn2O4 is 1:5～1:8；
Described positive active material one side coated weight on a current collector is 60～150g/m2；
Middle particle diameter D50 in described nanoscale LiFePO4 is distributed as 200nm-700nm；
Middle particle diameter D50 in described micron order LiMn2O4 is distributed as 1um-12um；
Described high electric discharge relay 102 connects output cathode and the battery set charge/discharge management system 103 of lithium battery group；
Described battery set charge/discharge management system 103 comprises management of charging and discharging module 1031, voltage protection module 1032, overcurrent protection module 1033；
The operation principle of this safe high-discharge-rate lithium battery pack module is: when external condition meets; set of cells is under governor circuit control; by height electric discharge relay adhesive; the positive pole of lithium battery pack module, negative pole externally carry out high-multiplying power discharge, the normal operation of battery set charge/discharge management system protection lithium battery group.
Referring to Fig. 2, being embodiment of the present invention charging and discharging lithium battery management method schematic flow sheet, described method includes:
S201, the charging and discharging lithium battery management module magnitude of voltage according to the lithium battery monitored and external charging power supply, starts lithium battery and is charged or discharges；
Described charging and discharging lithium battery management module according to the lithium battery of monitoring and the magnitude of voltage of external charging power supply, starts lithium battery and is charged or the step discharged includes:
The voltage of charging and discharging lithium battery management module monitors external charging power supply, and judge whether external charging power supply powers normally；
When judged result is described external charging power supply abnormal electrical power supply, starts lithium battery and discharge；
When judged result be described external charging power supply power normal time, the lithium battery voltage according to monitoring, then judge whether lithium battery is in fully charged state；
When judged result be described lithium battery be in underfill electricity condition time, then according to the lithium cell charging curve that pre-sets, start external charging power supply and lithium battery be charged.When monitoring lithium battery voltage equal to lithium battery ceiling voltage, and when charging current is only small, it was shown that lithium cell charging completes, then stop lithium cell charging process, disconnect charge circuit, it is to avoid floating charge.
When judged result is that described lithium battery is under fully charged state, if monitor lithium battery voltage lower than lithium cell charging voltage threshold, restart lithium cell charging process.
S202, lithium battery voltage protection module monitors lithium battery discharge voltage size, when lithium battery discharge voltage is lower than the minimum discharge voltage thresholding of lithium battery, disconnects discharge loop, until lithium battery discharge voltage is higher than the minimum discharge voltage thresholding of lithium battery；The minimum discharge voltage thresholding of described lithium battery is determined by the running voltage characteristic of lithium battery and the minimum running voltage of lithium battery voltage Cross prevention module; when the minimum running voltage of lithium battery voltage Cross prevention module allows, higher than lithium battery, the minimum voltage discharged; minimum discharge voltage thresholding is equal to the minimum running voltage of lithium battery voltage Cross prevention module; otherwise, minimum discharge voltage thresholding allows the minimum voltage of electric discharge equal to lithium battery.
S203, lithium battery current protection module monitors lithium battery discharge current size, when lithium battery discharge current is beyond maximum discharge current thresholding, disconnect discharge loop, until lithium battery discharge current is lower than lithium battery maximum discharge current thresholding.Described lithium battery maximum discharge current thresholding is determined by the current characteristics of lithium battery and the maximum operating currenbt of application system.
It should be noted that step S202, S203 can carry out simultaneously.
Charging and discharging lithium battery management method provided by the invention; achieve the application management of single lithium battery; overcome multisection lithium battery series connection in prior art and cause the diversity between each lithium battery; the present invention adopts the discharge and recharge flow process of charging and discharging lithium battery management module management lithium battery; considerably increase the service life of lithium battery;, by voltage protection module, overcurrent protection module, system is protected meanwhile, make the advantage that system has application safe and reliable, easy to spread.
Although present disclosure has been made to be discussed in detail already by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a safe high-discharge-rate lithium battery pack module, it is characterised in that this lithium battery pack module comprises set of cells, high electric discharge relay and the battery set charge/discharge management system that circuit connects；Described lithium battery group comprises the single lithium battery of some series connection, and the positive pole that saves single lithium battery is connected to the negative pole of another joint single lithium battery by short circuit sheet, and whole lithium battery group comprises and also comprises output cathode and output negative pole；Described high electric discharge relay connects output cathode and the battery set charge/discharge management system of lithium battery group；Described battery set charge/discharge management system comprises management of charging and discharging module, voltage protection module, overcurrent protection module; the input termination external charging power supply of management of charging and discharging module; first output termination lithium battery, described charging and discharging lithium battery management the second outfan of module, voltage protection module, overcurrent protection module are sequentially connected.
2. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 1, it is characterised in that described short circuit sheet adopts the copper sheet of silver-plated process.
3. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 1, it is characterized in that, described single lithium battery includes positive plate, negative plate, barrier film, electrolyte and shell, described positive plate includes collector and coating positive electrode on a current collector, and this positive electrode includes positive active material, binding agent and conductive agent.
4. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 3, it is characterised in that described positive active material comprises nanoscale LiFePO4With micron order LiMn2O4, described nanoscale LiFePO4With micron order LiMn2O4Weight ratio be 1:5～1:8.
5. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 2, it is characterised in that described positive active material one side coated weight on a current collector is 60～150g/m2。
6. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 4, it is characterised in that described nanoscale LiFePO4In middle particle diameter D50 be distributed as 200nm-700nm.
7. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 4, it is characterised in that described micron order LiMn2O4In middle particle diameter D50 be distributed as 1um-12um.
8. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 1, it is characterised in that the described management of charging and discharging module magnitude of voltage according to the lithium battery monitored and external charging power supply, starts lithium battery and is charged or discharges.
9. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 1, it is characterised in that described voltage protection module monitoring lithium battery discharge voltage size, when discharge voltage is lower than minimum discharge voltage thresholding, disconnects discharge loop.
10. a kind of safe high-discharge-rate lithium battery pack module as claimed in claim 1, it is characterised in that described overcurrent protection module monitoring lithium battery discharge current size, when lithium battery discharge current is beyond maximum discharge current thresholding, disconnects discharge loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357707.7A CN105811540A (en) | 2016-05-26 | 2016-05-26 | Safe high-discharging-rate lithium battery pack module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357707.7A CN105811540A (en) | 2016-05-26 | 2016-05-26 | Safe high-discharging-rate lithium battery pack module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105811540A true CN105811540A (en) | 2016-07-27 |
Family
ID=56451987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610357707.7A Pending CN105811540A (en) | 2016-05-26 | 2016-05-26 | Safe high-discharging-rate lithium battery pack module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105811540A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786995A (en) * | 2017-02-21 | 2017-05-31 | 苏州协鑫集成储能科技有限公司 | Energy storage control device and its control method |
| CN106849239A (en) * | 2017-02-21 | 2017-06-13 | 苏州协鑫集成储能科技有限公司 | Energy storage control device, energy storage charging method and energy-storage box |
| CN107769330A (en) * | 2017-11-22 | 2018-03-06 | 集美大学 | A kind of energy management of Electrical Propulsion Ship and control method |
| CN108011138A (en) * | 2017-11-29 | 2018-05-08 | 西安特锐德智能充电科技有限公司 | A kind of electric automobile discharge prevention method based on monomer ceiling voltage |
| CN114633662A (en) * | 2022-03-25 | 2022-06-17 | 苏州赤兔驱动科技有限公司 | Double-lithium battery charging and discharging management method and electric vehicle energy management system applying same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820486A (en) * | 2012-06-28 | 2012-12-12 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery module with heavy load discharge technology |
| US20150054458A1 (en) * | 2013-08-21 | 2015-02-26 | Samsung Electronics Co., Ltd. | Wireless charging method and electronic device implementing the same |
-
2016
- 2016-05-26 CN CN201610357707.7A patent/CN105811540A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820486A (en) * | 2012-06-28 | 2012-12-12 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery module with heavy load discharge technology |
| US20150054458A1 (en) * | 2013-08-21 | 2015-02-26 | Samsung Electronics Co., Ltd. | Wireless charging method and electronic device implementing the same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786995A (en) * | 2017-02-21 | 2017-05-31 | 苏州协鑫集成储能科技有限公司 | Energy storage control device and its control method |
| CN106849239A (en) * | 2017-02-21 | 2017-06-13 | 苏州协鑫集成储能科技有限公司 | Energy storage control device, energy storage charging method and energy-storage box |
| CN107769330A (en) * | 2017-11-22 | 2018-03-06 | 集美大学 | A kind of energy management of Electrical Propulsion Ship and control method |
| CN108011138A (en) * | 2017-11-29 | 2018-05-08 | 西安特锐德智能充电科技有限公司 | A kind of electric automobile discharge prevention method based on monomer ceiling voltage |
| CN108011138B (en) * | 2017-11-29 | 2019-12-13 | 西安特锐德智能充电科技有限公司 | Electric automobile discharge protection method based on monomer highest voltage |
| CN114633662A (en) * | 2022-03-25 | 2022-06-17 | 苏州赤兔驱动科技有限公司 | Double-lithium battery charging and discharging management method and electric vehicle energy management system applying same |
| CN114633662B (en) * | 2022-03-25 | 2023-12-08 | 苏州赤兔驱动科技有限公司 | Double-lithium battery charge and discharge management method and electric vehicle energy management system applying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110181245A1 (en) | Unitized charging and discharging battery management system and programmable battery management module thereof | |
| CN105811540A (en) | Safe high-discharging-rate lithium battery pack module | |
| TW201300255A (en) | Hybrid power supply system | |
| JP6690414B2 (en) | Trickle charging power system | |
| CN101582517A (en) | Charging and discharging battery pack and control method thereof | |
| CN203536529U (en) | Lithium ion battery | |
| CN202405763U (en) | Over-discharge protection circuit and battery utilizing same | |
| JP2013012374A (en) | Power supply system | |
| CN110266081A (en) | A kind of energy-accumulating power station and its compatibilizing method | |
| CN2922234Y (en) | Over-discharge protecting circuit for power lithium ion cell | |
| EP2946433B1 (en) | Electrochemical cell or battery with reduced impedance and method for producing same | |
| CN102544644A (en) | Composite power source composed of lead-acid storage battery monomer and lithium-ion battery monomer connected in parallel | |
| KR102644584B1 (en) | Circuit control methods, batteries and their controllers and management systems, electrical devices | |
| CN202712358U (en) | Cell of lithium ion battery | |
| CN2922233Y (en) | Over-charging protecting circuit for power lithium ion cell | |
| KR20180129383A (en) | Lithium iron phosphate battery charging system | |
| US11764346B2 (en) | Method and system for silicon-dominant lithium-ion cells with controlled utilization of silicon | |
| CN220711161U (en) | Dynamic balancing system for lithium battery | |
| US11973364B2 (en) | Circuit control method, battery and its controller and management system, and electrical apparatus | |
| CN203456557U (en) | Lithium iron phosphate battery pack | |
| CN107611527A (en) | A kind of fuel cell and lithium ion battery composite power supply unit | |
| KR20230051369A (en) | Lithium-iron phosphate battery pack management and control system with communication function | |
| EP4035221A1 (en) | Method and system for silicon dominant lithium-ion cells with controlled lithiation of silicon | |
| CN117955204A (en) | Dual-function equalization system of lithium battery | |
| TWI425740B (en) | Solar storage system and solar power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |