WO2022177318A2 - Module de batterie au lithium-ion - Google Patents

Module de batterie au lithium-ion Download PDF

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Publication number
WO2022177318A2
WO2022177318A2 PCT/KR2022/002350 KR2022002350W WO2022177318A2 WO 2022177318 A2 WO2022177318 A2 WO 2022177318A2 KR 2022002350 W KR2022002350 W KR 2022002350W WO 2022177318 A2 WO2022177318 A2 WO 2022177318A2
Authority
WO
WIPO (PCT)
Prior art keywords
ion battery
heat
lithium
battery cell
insulating paper
Prior art date
Application number
PCT/KR2022/002350
Other languages
English (en)
Korean (ko)
Other versions
WO2022177318A3 (fr
Inventor
김신우
Original Assignee
김신우
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김신우 filed Critical 김신우
Publication of WO2022177318A2 publication Critical patent/WO2022177318A2/fr
Publication of WO2022177318A3 publication Critical patent/WO2022177318A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—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
    • H01M10/052—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
    • H01M10/60—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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • 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
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • 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
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

Definitions

  • the present invention relates to a lithium ion battery module, and more particularly, to a lithium ion battery module having a heat generating structure so as to increase charging efficiency during rapid charging at a low temperature.
  • the electric scooter uses a lithium-ion battery having high energy and power density as a power source. These electric scooters require rapid charging of lithium-ion batteries when used for delivery.
  • the charging and discharging efficiency of a lithium ion battery is rapidly reduced at a low temperature, and the charging efficiency is more than doubled compared to that of the lowering of the discharging efficiency. That is, at 0°C at 20°C, the charging efficiency drops by 10%, at -10°C by more than 20%, and at -20°C by more than 40%.
  • the ambient temperature As such, the biggest obstacle to rapid charging of lithium ion batteries is the ambient temperature, and in winter, the external temperature is in the range of 0°C to -20°C.
  • An object of the present invention for solving the above problems is to provide a lithium ion battery module capable of increasing charging efficiency during rapid charging at low temperature.
  • the lithium ion battery module of the present invention for achieving the above object is a heat sink for accumulating heat when the lithium ion battery cell heats up and emitting heat when the heat is dissipated; a first heat dissipation insulating paper for thermally conductive adhesion between the lithium ion battery cell and the heat sink; Li-ion battery cell consisting of LiFePo4 pouch cell; a second heat-dissipating insulating paper for improving safety by lowering the capacitance value of the surface of the lithium-ion battery cell; and a heating plate for generating resistive heat by supplying power;
  • a first heat dissipation insulating paper, a lithium ion battery cell, a second heat dissipation insulating paper, and a heating plate are configured on the left and right around the heat dissipation plate.
  • a second heat dissipation insulating paper, a lithium ion battery cell, a first heat dissipation insulating paper, and a heat dissipation plate are configured on the left and right around the heating plate.
  • the lithium-ion battery module is configured in a cross-array heating plate.
  • the lithium-ion battery module is configured in a cross-array of heat sinks.
  • the temperature of the lithium ion battery cell is raised to 5 to 10° C. through the resistance heat of the heating plate, and then charging is performed.
  • the resistance heat of the heating film is characterized in that it is generated by receiving AC220V power from a common slow charger or a household outlet from the quick charger and supplying the driving power to the battery temperature compensation circuit of the quick charger.
  • the present invention it is possible to increase the charging efficiency by raising and maintaining the temperature of the lithium-ion battery cell within a certain range so that rapid charging can be smoothly performed at a low temperature through the heating plate.
  • FIG. 1 is a cross-sectional view of a lithium-ion battery module composed of a single lithium-ion battery cell according to the present invention.
  • FIGS. 2 (a) and 2 (b) are cross-sectional views of a lithium ion battery module composed of two lithium ion battery cells according to the present invention.
  • FIG 3 is a cross-sectional view of a lithium-ion battery module composed of a plurality of lithium-ion battery cells according to the present invention.
  • FIG. 1 is a cross-sectional view of a lithium ion battery module composed of a single lithium ion battery cell according to the present invention
  • FIGS. 2 (a) and 2 (b) are lithium ion composed of two lithium ion battery cells according to the present invention It is a cross-sectional view of a battery module
  • FIG. 3 is a cross-sectional view of a lithium-ion battery module composed of a plurality of lithium-ion battery cells according to the present invention
  • FIG. 4 is a lithium-ion battery charging system of an electric scooter according to the present invention.
  • the lithium ion battery module of the present invention may be composed of a single lithium ion battery cell, two lithium ion battery cells, and a plurality of lithium ion battery cells depending on the intended use.
  • the lithium ion battery module composed of the single lithium ion battery cell includes a heat sink 110, a first heat dissipation insulating paper 120, a lithium ion battery cell 130, and a second heat dissipation insulating paper 120-1. ), the heating plate 140 may be configured in the order.
  • the lithium ion battery module composed of the two lithium ion battery cells is, as shown in FIG. 2(a), a first heat dissipation insulating paper 120, a lithium ion battery cell 130, The second heat dissipation insulating paper 120 - 1 and the heating plate 140 may be configured.
  • the lithium ion battery module composed of the two lithium ion battery cells is, as shown in FIG. 130 , the first heat dissipation insulating paper 120 , and the heat dissipation plate 110 may be configured.
  • the lithium-ion battery module composed of the plurality of lithium-ion battery cells is a lithium-ion battery module composed of two lithium-ion battery cells of FIG. 2(a) or FIG. 2(b) a heating plate 140 ) may be configured in a cross arrangement or a cross arrangement of the heat sink 110 . That is, one side of each lithium ion battery cell 130 is thermally connected to the heating plate 140 , and the other side is in thermal contact with the heat sink 110 . For this reason, when a plurality of lithium-ion batteries are connected and used, an effective configuration is possible in terms of cost and assembly.
  • the heat sink 110 is made of an aluminum material, and serves as a support for mechanical stability according to the assembly of the lithium ion battery cell 130 .
  • the heat sink 110 functions to accumulate heat during heat generation and release heat during heat dissipation. That is, during heat dissipation, the temperature of the lithium ion battery cell 130 is conducted and heat is conducted to the left and right of the heat sink 110 .
  • the lithium ion battery cell 130 is made of a LiFePo4 pouch cell.
  • the first heat dissipation insulating paper 120 is a thermally conductive electrical insulating paper made of silicon and improves heat conduction efficiency by thermally conductive adhesion between the lithium ion battery cell 130 and the heat dissipation plate 110 .
  • the second heat dissipation insulating paper 120 lowers the capacitance value of the surface of the lithium ion battery cell 130 to lower the capacitance value to improve safety when high voltage is applied.
  • the heating plate 140 is a film in which a heating electrode is formed through carbon deposition on a polypropylene-based film and generates heat.
  • the lithium-ion battery cell 130 when charging the lithium-ion battery cell 130 at a low temperature (winter season), first, connect to a common slow charger or a household outlet, and then start charging. It is converted into driving power and supplied to the heating plate 140 .
  • a temperature compensation operation is started to increase the charging efficiency at a low temperature of the lithium ion battery cell 130 . That is, since the temperature in winter is in the range of 0°C to -20°C, the charging efficiency is lowered during rapid charging, so that the battery is raised to a temperature suitable for rapid charging.
  • the temperature of the lithium-ion battery cell 130 is raised to 5-10° C. through resistance heat. Charge through the fast charger.
  • the 4KW charger 300 is composed of an input (AC220V), an output (DC 24V), a control (PWM), an MPU (ADC built-in type), and a communication (CAN for BMS) of the control unit 310 .
  • AC220V an input
  • DC 24V DC
  • PWM pulse width regulator
  • MPU MPU
  • ADC built-in type MPU
  • CAN for BMS CAN for BMS
  • the charging efficiency can be increased by raising and maintaining the temperature of the lithium-ion battery cell 130 to 5 to 10° C. so that the rapid charging can be smoothly performed at a low temperature (winter season) through the heating plate 140 .

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Crystallography & Structural Chemistry (AREA)

Abstract

La présente invention concerne un module de batterie lithium-ion comprenant séquentiellement: des dissipateurs thermiques pour accumuler de la chaleur pendant le chauffage d'éléments de batterie lithium-ion et dissiper la chaleur pendant un rayonnement thermique; des premiers films d'isolation électrique de dissipation de chaleur pour une adhérence par conduction thermique entre les éléments de batterie au lithium-ion et les dissipateurs de chaleur; les éléments de batterie au lithium-ion composés d'éléments à cavité LiFeP04; des seconds films d'isolation électrique de dissipation de chaleur, qui abaissent la valeur de capacité de la surface des éléments de batterie au lithium-ion pour améliorer la sécurité ; et des plaques chauffantes, qui fournissent de l'énergie pour générer la chaleur de résistance.
PCT/KR2022/002350 2021-02-18 2022-02-17 Module de batterie au lithium-ion WO2022177318A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210021749A KR102328095B1 (ko) 2021-02-18 2021-02-18 리튬이온 배터리 모듈
KR10-2021-0021749 2021-02-18

Publications (2)

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WO2022177318A2 true WO2022177318A2 (fr) 2022-08-25
WO2022177318A3 WO2022177318A3 (fr) 2022-10-13

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WO (1) WO2022177318A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022131794A1 (de) 2022-11-30 2024-06-06 Elringklinger Ag Zell-Separator und Batteriemodul

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KR102328095B1 (ko) * 2021-02-18 2021-11-17 김신우 리튬이온 배터리 모듈
CN114420923A (zh) * 2021-12-15 2022-04-29 中科锂电新能源有限公司 一种锂电子电池正极材料磷酸铁锰锂材料及其制备加工设备
CN117199639B (zh) * 2023-07-03 2024-04-26 深圳市朗泰沣电子有限公司 一种散热型磷酸铁锂储能装置

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KR101675610B1 (ko) * 2012-03-13 2016-11-11 삼성에스디아이 주식회사 리튬 이차전지
JP6872319B2 (ja) * 2016-05-10 2021-05-19 藤森工業株式会社 発熱シート及び放熱シートを有するシステム
DE102016219283A1 (de) * 2016-10-05 2018-04-05 Bayerische Motoren Werke Aktiengesellschaft Elektrischer Energiespeicher mit zwischen den Zellen angeordneten Kühlplatten zur Notkühlung
KR102389469B1 (ko) * 2017-07-26 2022-04-22 주식회사 엘지에너지솔루션 배터리 팩
KR20190018600A (ko) * 2017-08-15 2019-02-25 세진 장 탄소섬유를 이용한 배터리 보온용 발열체 및 그 제조 방법
KR20200133220A (ko) * 2018-04-16 2020-11-26 이씨 파워, 엘엘씨 가열을 통한 배터리 충전 시스템 및 방법
KR102328095B1 (ko) * 2021-02-18 2021-11-17 김신우 리튬이온 배터리 모듈

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022131794A1 (de) 2022-11-30 2024-06-06 Elringklinger Ag Zell-Separator und Batteriemodul

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KR102328095B1 (ko) 2021-11-17
WO2022177318A3 (fr) 2022-10-13

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