CN109950942A - 电池中的电芯平衡 - Google Patents
电池中的电芯平衡 Download PDFInfo
- Publication number
- CN109950942A CN109950942A CN201810619235.7A CN201810619235A CN109950942A CN 109950942 A CN109950942 A CN 109950942A CN 201810619235 A CN201810619235 A CN 201810619235A CN 109950942 A CN109950942 A CN 109950942A
- Authority
- CN
- China
- Prior art keywords
- smd
- current
- cell
- cells
- voltage
- 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
- 210000004027 cell Anatomy 0.000 claims description 184
- 238000000034 method Methods 0.000 claims description 18
- 229910001416 lithium ion Inorganic materials 0.000 claims description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 210000004692 intercellular junction Anatomy 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 238000000742 single-metal deposition Methods 0.000 claims 3
- 230000008569 process Effects 0.000 description 8
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000004460 N cell Anatomy 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- NDPGDHBNXZOBJS-UHFFFAOYSA-N aluminum lithium cobalt(2+) nickel(2+) oxygen(2-) Chemical compound [Li+].[O--].[O--].[O--].[O--].[Al+3].[Co++].[Ni++] NDPGDHBNXZOBJS-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- VGYDTVNNDKLMHX-UHFFFAOYSA-N lithium;manganese;nickel;oxocobalt Chemical compound [Li].[Mn].[Ni].[Co]=O VGYDTVNNDKLMHX-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 210000003813 thumb Anatomy 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762609063P | 2017-12-21 | 2017-12-21 | |
| US62/609063 | 2017-12-21 | ||
| US201862658364P | 2018-04-16 | 2018-04-16 | |
| US62/658364 | 2018-04-16 | ||
| US15/961604 | 2018-04-24 | ||
| US15/961,604 US10910847B2 (en) | 2017-12-21 | 2018-04-24 | Active cell balancing in batteries using switch mode dividers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109950942A true CN109950942A (zh) | 2019-06-28 |
Family
ID=66948985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810619235.7A Pending CN109950942A (zh) | 2017-12-21 | 2018-06-15 | 电池中的电芯平衡 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10910847B2 (enExample) |
| EP (1) | EP3729600A4 (enExample) |
| JP (1) | JP2021507669A (enExample) |
| KR (1) | KR20200091466A (enExample) |
| CN (1) | CN109950942A (enExample) |
| WO (1) | WO2019125916A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240006894A1 (en) * | 2017-12-21 | 2024-01-04 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
| US11876394B2 (en) * | 2017-12-21 | 2024-01-16 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
| KR102756814B1 (ko) * | 2019-02-19 | 2025-01-20 | 삼성전자주식회사 | 복수의 배터리들을 제어하는 방법 및 그 방법을 적용한 전자 장치 |
| CN113678009B (zh) * | 2019-11-29 | 2024-11-05 | 旻泰克科技股份有限公司 | 电池状态推定装置及方法 |
| TWI762961B (zh) * | 2020-06-24 | 2022-05-01 | 倍米科技股份有限公司 | 運用單一充電器作電池組平衡的系統及充電方法 |
| CN114696376A (zh) * | 2020-12-25 | 2022-07-01 | 神讯电脑(昆山)有限公司 | 充电方法与充电装置 |
| JP7668143B2 (ja) * | 2021-03-24 | 2025-04-24 | 日置電機株式会社 | 電圧生成装置 |
| US12051925B2 (en) * | 2021-06-21 | 2024-07-30 | Lenovo (Singapore) Pte. Ltd. | Charging control method of a battery pack for portable electronic devices |
| WO2023224678A1 (en) * | 2022-05-20 | 2023-11-23 | Grasshoff Eric Paul | Active cell balancing in batteries using switch mode dividers |
| US20250175014A1 (en) * | 2023-11-28 | 2025-05-29 | Eric Paul Grasshoff | Method for estimating balancing current using current limiting via impedance characterization |
| WO2025129242A1 (en) * | 2023-12-18 | 2025-06-26 | Kevin Stephen Davies | Energy storage system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120086390A1 (en) * | 2009-01-30 | 2012-04-12 | Korea Advanced Institute Of Science And Technology | Charge Equalization Apparatus And Method For Series-Connected Battery String |
| CN105703447A (zh) * | 2016-04-15 | 2016-06-22 | 周衍 | 充电电池组的直接平衡充电装置及方法 |
| US20160190828A1 (en) * | 2013-07-03 | 2016-06-30 | Sony Corporation | Power storage apparatus and control method for a power storage apparatus |
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-
2018
- 2018-04-24 US US15/961,604 patent/US10910847B2/en active Active
- 2018-06-15 CN CN201810619235.7A patent/CN109950942A/zh active Pending
- 2018-12-13 WO PCT/US2018/065523 patent/WO2019125916A1/en not_active Ceased
- 2018-12-13 EP EP18890177.1A patent/EP3729600A4/en not_active Withdrawn
- 2018-12-13 JP JP2020534953A patent/JP2021507669A/ja active Pending
- 2018-12-13 KR KR1020207020399A patent/KR20200091466A/ko not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120086390A1 (en) * | 2009-01-30 | 2012-04-12 | Korea Advanced Institute Of Science And Technology | Charge Equalization Apparatus And Method For Series-Connected Battery String |
| US20160190828A1 (en) * | 2013-07-03 | 2016-06-30 | Sony Corporation | Power storage apparatus and control method for a power storage apparatus |
| CN105703447A (zh) * | 2016-04-15 | 2016-06-22 | 周衍 | 充电电池组的直接平衡充电装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US10910847B2 (en) | 2021-02-02 |
| JP2021507669A (ja) | 2021-02-22 |
| EP3729600A1 (en) | 2020-10-28 |
| KR20200091466A (ko) | 2020-07-30 |
| US20190199106A1 (en) | 2019-06-27 |
| WO2019125916A1 (en) | 2019-06-27 |
| EP3729600A4 (en) | 2021-07-14 |
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