CN109950942A - 电池中的电芯平衡 - Google Patents

电池中的电芯平衡 Download PDF

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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
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CN
China
Prior art keywords
smd
battery
current
voltage
battery core
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
Application number
CN201810619235.7A
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English (en)
Chinese (zh)
Inventor
埃里克·保罗·格拉斯霍夫
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN109950942A publication Critical patent/CN109950942A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
    • H02J7/54—Passive balancing, e.g. using resistors or parallel MOSFETs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
    • H02J7/56—Active balancing, e.g. using capacitor-based, inductor-based or DC-DC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82—Control of state of charge [SOC]
    • H02J7/825—Detection of fully charged condition
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/933—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)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
CN201810619235.7A 2017-12-21 2018-06-15 电池中的电芯平衡 Pending CN109950942A (zh)

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 (https=)
EP (1) EP3729600A4 (https=)
JP (1) JP2021507669A (https=)
KR (1) KR20200091466A (https=)
CN (1) CN109950942A (https=)
WO (1) WO2019125916A1 (https=)

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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
US20240170977A1 (en) * 2018-04-24 2024-05-23 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
JP7232548B2 (ja) * 2019-11-29 2023-03-03 ミンテク カンパニー リミテッド バッテリー状態推定装置及びその方法
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
JP2023539873A (ja) 2020-09-01 2023-09-20 シオン・パワー・コーポレーション 多重化バッテリ管理システム
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
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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

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Also Published As

Publication number Publication date
US10910847B2 (en) 2021-02-02
US20190199106A1 (en) 2019-06-27
EP3729600A4 (en) 2021-07-14
KR20200091466A (ko) 2020-07-30
EP3729600A1 (en) 2020-10-28
WO2019125916A1 (en) 2019-06-27
JP2021507669A (ja) 2021-02-22

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