WO2005069408A1 - 電池パック - Google Patents
電池パック Download PDFInfo
- Publication number
- WO2005069408A1 WO2005069408A1 PCT/JP2005/000540 JP2005000540W WO2005069408A1 WO 2005069408 A1 WO2005069408 A1 WO 2005069408A1 JP 2005000540 W JP2005000540 W JP 2005000540W WO 2005069408 A1 WO2005069408 A1 WO 2005069408A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- circuit board
- secondary batteries
- sealing plate
- battery pack
- Prior art date
Links
Classifications
-
- 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
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
-
- 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
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
- H01M10/6235—Power tools
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
- H01M10/61—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
- H01M10/63—Control systems
-
- 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
Definitions
- the present invention relates to a battery pack suitable as a battery power source for a power tool such as a power drill.
- a battery pack configured as a battery power source is required to be capable of outputting large discharge power.
- a battery pack containing a large number of secondary batteries in a pack case is used.
- nickel cadmium storage batteries or nickel-hydrogen storage batteries are used as batteries, but they require a large number of secondary batteries, which are not sufficient in terms of weight energy density and volume energy density.
- the problem is that the operability of the power tool is deteriorated due to the large and heavy battery pack, and the heat dissipation of the battery is problematic because a large number of batteries are densely arranged.
- Non-aqueous electrolyte secondary batteries such as lithium ion secondary batteries are known as secondary batteries having superior weight energy density and volume energy density compared to the nickel cadmium storage batteries and nickel-hydrogen storage batteries.
- a battery pack is configured using this, it is possible to promote the compactness and light weight of the battery pack at the same output power.
- a battery pack having more space efficiency than a cylindrical battery can be obtained.
- a secondary battery such as a lithium ion secondary battery using a non-aqueous electrolyte is liable to deteriorate or generate heat due to overcharge or overdischarge. Therefore, it is necessary to provide a battery protection circuit and a charge / discharge control circuit.
- the circuit board that constitutes these circuits is housed in a pack case together with a secondary battery to form a battery pack. Numerous proposals have been made for a battery pack in which such a secondary battery and a circuit board are housed in a pack case. For example, a battery pack disclosed in Patent Document 1 is known.
- Patent Document 1 JP 2001-313015 A
- an object of the present invention is to provide a structure for easily connecting a plurality of secondary batteries and a circuit board, and to integrate them, and to provide a waterproof, moisture-proof, and dust-proof structure for an electric circuit portion.
- Another object of the present invention is to provide a battery pack.
- a battery pack according to the present invention has a battery can containing an electrode group and an electrolytic solution, and sealing the opening end with a sealing plate.
- the sealing plate is provided with an electrode terminal.
- a plurality of flat rectangular secondary batteries and a circuit board that constitutes a battery management circuit that manages the operation state of each secondary battery are housed in a pack case.
- a plurality of secondary batteries are integrated, and the circuit board is attached to a frame that holds the sealing plate side of the multiple secondary batteries, After the circuit board is electrically connected to each of the secondary batteries and the input / output terminals, a resin mold for covering a required surface of the circuit board with a resin is applied.
- the plurality of secondary batteries are integrated in a state of being arranged in parallel with a predetermined interval between adjacent ones of the frame, and the circuit board is mounted on the frame holding the sealing plate side of the secondary batteries.
- the secondary battery and the circuit board are integrated, and the resin mold is applied to the circuit board, so that the positive and negative terminals and the circuit board of each secondary battery are isolated. Since the battery is covered with a resin mold, even if dust or moisture enters the pack case from the ventilation holes or the like that communicate with the outside to cool the secondary battery, the electric circuit portion is protected.
- the battery pack according to the present invention is opened by accommodating an electrode plate group and an electrolytic solution in a battery can.
- a plurality of rechargeable batteries each having a mouth end sealed with a sealing plate and having a pole terminal provided on the sealing plate, and a circuit board constituting a battery management circuit for managing an operation state of each of the rechargeable batteries.
- the secondary batteries are connected in series and Z or in parallel, and the circuit board is attached so that the connection projections provided on the connection plate are inserted into the connection holes, and the connection projections and the circuit board are joined.
- the plurality of secondary batteries are integrated by the frame, and are joined to the positive and negative electrode terminals formed on the sealing plate located in the frame holding the sealing plate side.
- the circuit board is joined to the connection protrusion formed on the connection plate that connects the secondary batteries in series and Z or in parallel, multiple secondary batteries and the circuit board are integrated, and each secondary battery is connected to the circuit board.
- the battery management circuit connected to the board and configured on the circuit board can detect the voltage of each secondary battery and perform charge / discharge control, battery protection, and the like.
- the connection between the plurality of secondary batteries and the circuit board does not involve lead wiring, and electrical connection can also be performed by a structure in which the plurality of secondary batteries and the circuit board are integrated.
- FIG. 1 is a perspective view showing an external configuration of a battery pack according to an embodiment.
- FIG. 2 is an exploded perspective view showing components of the battery pack according to the first embodiment.
- FIG. 3 is a perspective view showing a configuration of a secondary battery applied to the battery pack according to the first embodiment.
- FIG. 4 is a perspective view showing a configuration of a center frame for holding a secondary battery.
- FIG. 5A and 5B show a configuration of a terminal side frame
- FIG. 5A is a perspective view showing an outer surface side
- FIG. 5B is a perspective view showing an inner surface side.
- FIG. 6 is a side view showing a connection structure between a plurality of secondary batteries and a circuit board.
- FIG. 7 is a perspective view showing a configuration of a series connection plate.
- FIG. 8 is a cross-sectional view showing an air circulation structure for a secondary battery.
- FIG. 9 is a side view illustrating a mounting structure for the electric tool.
- FIG. 10 is a side view illustrating a mounting structure for a charger.
- FIG. 1 shows a battery pack 1 according to an embodiment.
- the battery pack 1 is mounted on a power tool A to serve as a drive power source for the power tool A.
- the battery can be charged by removing the power tool A from the power tool A and loading the battery into the charger B as shown in FIG.
- the electric tool A or the charger B is attached to the electric tool A or the charger B in the sliding groove 20a formed on both sides of the attachment part 20 provided above the pack case 5.
- connection plug 14 provided in the connector case 12 held in the center of the mounting portion 20 is inserted into the socket of the power tool A or the charger B, and the electrical connection is made. At the same time, the battery pack 1 is mounted.
- the battery pack 1 includes ten secondary batteries 2 in a pack case 5 and a battery management unit that performs charge / discharge control and battery protection control of the secondary batteries 2. It houses a circuit board 3 constituting a circuit and incorporates a blower fan 4 for promoting heat radiation of the secondary battery 2.
- a lithium ion secondary battery formed in the shape of a flat rectangular parallelepiped is applied, and as shown in FIG.
- Ten rechargeable batteries 2 are arranged in parallel with each other so as to be perpendicular to the bottom surface of the battery and to face each other at a predetermined interval.
- the rechargeable batteries 2 correspond to the cross-sectional area of the central portion in the longitudinal direction of the rechargeable batteries 2.
- the center portion of the secondary battery 2 is held by the center frame 7 having ten battery housings (openings) 17 each having a different opening shape, and both ends of the secondary battery 2 are connected to the terminal side frame 6 and the bottom side, respectively.
- the secondary battery 2 has a long positive electrode plate and a long negative electrode plate wound around a separator in a battery can 24 formed in a square cylinder with a bottom.
- a wound electrode plate group or a laminated electrode plate group in which a plurality of positive electrode plates and a plurality of negative electrode plates are laminated via a separator is inserted, and a sealing plate 23 is welded to the open end of the battery can 24 to form a battery can 24.
- the opening end of the battery can 24 is sealed, and the electrolytic solution is injected into the battery can 24 to seal the inside of the battery can 24.
- a positive electrode terminal 21 connected to the positive electrode plate is provided on the sealing plate 23 so as to be electrically insulated from the sealing plate 23.
- the sealing plate 23 and the battery can 24 are The negative electrode terminal of the secondary battery 2 is configured.
- the battery can 24 When the temperature of the secondary battery 2 rises due to a large current discharge or overcharging, the battery can 24 swells due to thermal expansion, vaporization of the electrolytic solution, and the like. Appears remarkably on a flat surface.
- the electrode plate group accommodated in the battery can 24 may be wound or laminated, and the positive electrode plate and the negative electrode plate may be stacked on both sides of the battery can 24 in a state of being laminated via a separator. Charges and discharges are caused by ions moving between the positive electrode plate and the negative electrode plate, which are sandwiched between the flat surfaces having the maximum area and move in the electrolytic solution that is impregnated in the separator.
- the center frame 7 surrounds a substantially central portion of the battery can 24 around the secondary batteries 2. Since the secondary battery 2 is kept in the state, the secondary battery 2 is in a state where the secondary battery 2 is clamped so as not to swell.
- the width in the short direction of the secondary battery 2 applied to this embodiment is 10 mm, and the width in the short direction of the battery accommodating portion 17 is 10.4 mm.
- the secondary battery 2 can be smoothly inserted into the battery housing 17, and the swelling of the battery can 24 is regulated by the width of the battery housing 17, so that the performance deterioration of the secondary battery 2 due to the swelling of the battery can 24 is suppressed.
- the ten secondary batteries 2 are inserted in the respective battery accommodating portions 17 of the center frame 7 in the same direction, and the bottom surface side of the secondary battery 2 has a shape corresponding to the bottom shape and size of the battery can 24.
- the bottom side frame 8 in which bottom receiving recesses 18 having the same size are formed in parallel is mounted.
- a sealing portion accommodating recess 19 for accommodating the sealing plate 23 side of the secondary battery 2 is formed inside, and a positive electrode is formed on the bottom of the recess.
- the terminal-side frame 6 in which the positive electrode connection window 25 through which the terminal 21 penetrates and the negative electrode connection window 26 in which a part of the sealing plate 23 is formed is mounted. As shown in FIG.
- a board housing recess 28 for housing the circuit board 3 and ten rechargeable batteries 2 are connected in series, and each rechargeable battery 2 is connected to the circuit board 3 as shown in FIG.
- a connecting plate accommodating recess 27 for accommodating the series connecting plate 9, the positive connecting plate 10, and the negative connecting plate 11 is formed.
- the positive electrode connection window 25 and the negative electrode connection window 26 are opened on the bottom surface of the connection plate housing recess 27.
- FIG. 7 shows an example of the series connection plate 9, and the series connection plate 9, the positive electrode connection plate 10, and the negative electrode connection plate 11 each have a board connection protrusion 29 for connecting to the circuit board 3. ing.
- the battery voltage of each secondary battery 2 can be measured from the voltage between 29 and the battery protection circuit configured on the circuit board 3 overcharges the secondary battery 2 from the individual battery voltage of each secondary battery 2. Then, the control for protecting from over-discharge is executed, and the charge / discharge control circuit executes the charge / discharge control based on the measurement of the battery voltage and the battery temperature.
- the circuit board 3 is resin-molded.
- the resin mold allows the molten resin to flow into the mounting surface of the electronic component including the connection part of the lead wire and solidifies it, thereby strengthening the electrical insulation of the circuit board 3 and at the same time improving the moisture resistance and waterproofness. be able to. More preferably, when molten resin is poured and solidified so as to fill the substrate accommodating recess 28, the entire surface of the circuit board 3 is wrapped with the resin, and the circuit board 3 and the terminal-side frame 6 are connected to the resin. Mold is applied. This resin mold prevents electronic components mounted on the circuit board 3 In addition to taking measures against humidity, it is also possible to prevent electric power from being generated by water that has penetrated by forces such as the ventilation holes 13a and 13b formed in the knock case 5.
- the protection plates 16 are arranged on four sides, and the blower fan arranged on the center frame 7 is provided.
- the pack case 5 composed of the right case 5a and the left case 5b is closed to complete the battery pack 1 as shown in FIG.
- the connection plug 14 provided in the connector case 12 is connected to the connection socket provided on the power tool A. Then, the power supply circuit that supplies the driving power to the electric tool A by the ON operation of the starting switch of the electric tool A is closed.
- the battery management circuit causes the blower fan 4 to be driven. Because of the control, the secondary battery 2 is cooled by the blast air.
- the temperature of the secondary battery 2 rises sharply when the power tool A is used due to the large current discharge.
- Control fan 4 so that it can be used at temperatures below ° C.
- the temperature of the secondary battery 2 may exceed 40 ° C before use, and if the power tool A is used in such an environment, the temperature rise will increase. Therefore, when the temperature of the secondary battery 2 is high, the battery management circuit cools the secondary battery 2 by driving the blower fan 4 regardless of the use of the power tool A, and the temperature of the secondary battery 2 becomes 60 °. If the temperature exceeds C, the power supply to the power tool A is stopped, and the driving of the blower fan 4 is controlled so that the temperature of the secondary battery 2 is reduced.
- the blower fan 4 is configured as an intake fan that takes in outside air into the pack case 5 by rotating the blower fan 4, and blows the sucked outside air to the secondary battery 2 to cool it.
- the connector case 12 comes into contact with the battery pack mounting face of the power tool A, so that an opening is provided on the battery tool mounting face of the power tool A facing the air inlet 32 of the connector case 12.
- an external air intake port a communicating with the opening is formed on a side surface of the power tool A at a portion where the battery pack 1 is mounted.
- the battery pack 1 When the battery pack 1 is mounted on the power tool A, as shown in FIG. 9, the battery pack 1 is formed so that the lowermost portion of the power tool A and the bottom surface of the battery pack 1 are at the same height position. Thus, the power tool A can be stably stood on a floor or the like.
- a lower recess 31a is formed on both lower sides and an upper recess 3lb is formed on both upper sides, and each of the lower and upper recesses 3b is formed.
- a lower ventilation hole 13a and an upper ventilation hole 13b are formed in la and 3 lb, respectively.
- the lower ventilation hole 13 a is closed even when the electric tool A is upright, that is, when the driving of the electric tool A is stopped!
- the flow of the outside air flowing from the lower ventilation hole 13a and passing through the space between the secondary batteries 2 to the upper ventilation hole 13b is formed.
- the temperature of the secondary battery 2 rises, and the heat generates a rising airflow flowing through the upper ventilation hole 13b, and accordingly, the outside air flows from the lower ventilation hole 13a.
- the flow of air that flows into the upper ventilation hole 13b through the space between the secondary batteries 2 is formed, and the cooling action of the heated secondary batteries 2 is promoted even when the blower fan 4 is stopped.
- the temperature of the secondary battery 2 can be lowered.
- the lower and upper ventilation holes 13a and 13b serve to effectively cool the rechargeable battery 2 1S when the power tool A is used in an environment where water drops are scattered, such as in rain,
- water may enter through the lower and upper ventilation holes 13a and 13b.
- FIG. 8 even if water enters the pack case 5, the sealing plate side of each secondary battery 2 is surrounded by the terminal side frame 6, and the circuit board 3 is covered with the resin mold 30.
- the safety of the battery pack 1 of the power tool A which is assumed to be used in a severe environment where water does not enter the energized portion, is secured.
- the battery pack 1 When the battery capacity decreases due to the driving of the electric tool A, the battery pack 1 is removed from the electric tool A, and as shown in FIG. Is made.
- Battery Pack 1 When attaching Battery Pack 1 to Charger B, it is attached to Charger B with its upside down as shown in the figure, and the inside of Charger B is inserted through the air vent provided at the position of Battery Pack 1 for Charger B.
- the temperature of the secondary battery 2 can be expected to be higher than the temperature suitable for charging, and the battery temperature is detected by the battery management circuit.
- the battery is also detected on the charger B side through the connector at the same time, so charging is not started when the battery temperature is 45 ° C or higher, and after cooling by air blowing is continued so that the battery temperature becomes 45 ° C or lower. Control is performed so that charging is started.
- a plurality of secondary batteries are arranged in parallel with a gap between adjacent ones to promote cooling of the secondary batteries by air flow, and take in outside air into the pack case. Even if dust or water enters the pack case, the electric circuit part is covered with a resin mold, making it less susceptible to damage.
- lead wiring is provided between each secondary battery and the circuit board. Since the main components that do not need to be mounted are formed in a block shape, it is possible to easily construct a robust structure simply by housing it in the pack case, so it is used in a harsh environment. It is suitable for realizing a battery pack suitable as a battery power source for power tools and the like, which is often used.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/574,349 US7846577B2 (en) | 2004-01-20 | 2005-01-18 | Battery pack |
EP05703777A EP1727223A4 (en) | 2004-01-20 | 2005-01-18 | DRUMS |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-011652 | 2004-01-20 | ||
JP2004-011653 | 2004-01-20 | ||
JP2004011652A JP4662530B2 (ja) | 2004-01-20 | 2004-01-20 | 電池パック |
JP2004011653A JP4593930B2 (ja) | 2004-01-20 | 2004-01-20 | 電池パック |
Publications (1)
Publication Number | Publication Date |
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WO2005069408A1 true WO2005069408A1 (ja) | 2005-07-28 |
Family
ID=34797766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/000540 WO2005069408A1 (ja) | 2004-01-20 | 2005-01-18 | 電池パック |
Country Status (3)
Country | Link |
---|---|
US (1) | US7846577B2 (ja) |
EP (1) | EP1727223A4 (ja) |
WO (1) | WO2005069408A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100183905A1 (en) * | 2007-07-09 | 2010-07-22 | Wolf Matthias | Rechargeable battery |
WO2015107583A1 (ja) * | 2014-01-17 | 2015-07-23 | 三洋電機株式会社 | 電源装置 |
CN114006114A (zh) * | 2021-12-30 | 2022-02-01 | 深圳市创都科技有限公司 | 一种拼装组合式新能源电池组 |
CN115275488A (zh) * | 2022-08-24 | 2022-11-01 | 浙江凌骁能源科技有限公司 | 电池包下箱体 |
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CN101361208B (zh) * | 2006-01-03 | 2012-02-22 | 约翰逊控制技术公司 | 电池系统 |
US7972718B2 (en) | 2006-04-11 | 2011-07-05 | Eveready Battery Company, Inc. | Fluid manager using two shape memory alloy components and a battery including the same |
CN101589557B (zh) * | 2007-01-25 | 2014-05-07 | 永备电池有限公司 | 应用扩展器设备 |
US7833649B2 (en) | 2007-04-11 | 2010-11-16 | Eveready Battery Company, Inc. | Battery fluid manager using shape memory alloy components with different actuation temperatures |
US7632585B2 (en) | 2007-04-11 | 2009-12-15 | Eveready Battery Co., Inc. | Battery having fluid regulator with pressure equalization |
US7732089B2 (en) | 2007-04-11 | 2010-06-08 | Eveready Battery Company, Inc. | Battery having fluid regulator with rotating valve |
JP5193660B2 (ja) * | 2008-04-03 | 2013-05-08 | 株式会社日立製作所 | 電池モジュール及びそれを備えた蓄電装置並びに電機システム |
DE102008031538A1 (de) * | 2008-07-03 | 2010-01-07 | Li-Tec Battery Gmbh | Akkumulator mit verlängerter Lebensdauer |
US8153290B2 (en) * | 2008-10-28 | 2012-04-10 | Tesla Motors, Inc. | Heat dissipation for large battery packs |
DE102009015686A1 (de) * | 2009-03-31 | 2010-10-07 | Li-Tec Battery Gmbh | Batteriegehäuse mit Dichtplatte |
JP2011008954A (ja) * | 2009-06-23 | 2011-01-13 | Toyota Motor Corp | 電源装置 |
DE102009048249A1 (de) * | 2009-10-05 | 2011-04-07 | Li-Tec Battery Gmbh | Energiespeichereinheit mit verlängerter Lebensdauer |
DE102011077850A1 (de) * | 2011-06-21 | 2012-12-27 | Robert Bosch Gmbh | Elektrogerät mit einem Akkupack |
CN205177900U (zh) | 2012-06-12 | 2016-04-20 | 米沃奇电动工具公司 | 电池组 |
US9252623B2 (en) * | 2012-09-24 | 2016-02-02 | Samsung Sdi Co., Ltd. | Protection apparatus for secondary battery |
JP2014170635A (ja) * | 2013-03-01 | 2014-09-18 | Hitachi Koki Co Ltd | 電池パック及び電気機器 |
JP2015104216A (ja) * | 2013-11-25 | 2015-06-04 | 日立工機株式会社 | 充電装置 |
KR101833526B1 (ko) * | 2014-05-29 | 2018-02-28 | 주식회사 엘지화학 | 수냉식 냉각구조를 포함하는 전지모듈 |
CN105261807B (zh) * | 2014-07-14 | 2017-08-29 | 张荣华 | 电动汽车动力电池 |
US11072840B2 (en) * | 2015-09-02 | 2021-07-27 | Basf Se | Use of hydrophobically associating copolymers as binders for pelletizing metal containing ores |
LU92984B1 (de) * | 2016-03-03 | 2017-09-19 | Proxxon Sa | Elektrowerkzeug und akkuelement |
EP3319146B1 (en) | 2016-11-04 | 2018-10-17 | Samsung SDI Co., Ltd. | Battery system |
WO2018084439A1 (ko) * | 2016-11-04 | 2018-05-11 | 삼성에스디아이 주식회사 | 전지 시스템 |
JP1642001S (ja) | 2018-05-21 | 2019-09-24 | ||
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CN114006114A (zh) * | 2021-12-30 | 2022-02-01 | 深圳市创都科技有限公司 | 一种拼装组合式新能源电池组 |
CN114006114B (zh) * | 2021-12-30 | 2022-03-25 | 深圳市创都科技有限公司 | 一种拼装组合式新能源电池组 |
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Also Published As
Publication number | Publication date |
---|---|
US20080233475A1 (en) | 2008-09-25 |
EP1727223A1 (en) | 2006-11-29 |
US7846577B2 (en) | 2010-12-07 |
EP1727223A4 (en) | 2010-06-23 |
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