WO2017080491A1 - Batterie de démarrage de véhicule au lithium-ion - Google Patents

Batterie de démarrage de véhicule au lithium-ion Download PDF

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Publication number
WO2017080491A1
WO2017080491A1 PCT/CN2016/105340 CN2016105340W WO2017080491A1 WO 2017080491 A1 WO2017080491 A1 WO 2017080491A1 CN 2016105340 W CN2016105340 W CN 2016105340W WO 2017080491 A1 WO2017080491 A1 WO 2017080491A1
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WO
WIPO (PCT)
Prior art keywords
battery
group
core
conductor
groups
Prior art date
Application number
PCT/CN2016/105340
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English (en)
Chinese (zh)
Inventor
丁希罕
金明钢
吴光渔
韩改格
林鹏程
欧阳坤传
任旭东
Original Assignee
杭州天丰电源股份有限公司
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Publication of WO2017080491A1 publication Critical patent/WO2017080491A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • 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
    • 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
    • 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
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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 lithium ion battery for a vehicle, and more particularly to an automotive lithium ion starter battery.
  • a lithium ion starter battery on the existing market consists of 1-4 large capacity (20-30Ah) battery cores with good high current discharge capability, which can meet a large starting current, but a large capacity battery.
  • the body is thicker, the processing technology for sealing and packaging large-capacity electric core body is immature, the processing is difficult, the qualification rate is low, and the processing cost is high; in addition, if one of the battery core bodies is damaged, it can no longer be used, and the large capacity
  • the battery core has a high probability of explosion and poor safety.
  • lithium ion starter battery cell groups (equivalent to a single large-capacity cell body) are composed of a plurality of small-capacity (generally 10Ah and below) cell bodies, which have small capacity and high safety; The thickness is thin, the processing technology is mature, the processing is convenient, and the processing cost is low. Even if one of the small-capacity electric core bodies is damaged, the use of the starting battery is basically not affected, and the use can be continued.
  • the current lithium ion starter battery needs to be composed of four or eight aforementioned small-capacity battery cores. Usually, these battery cores are bundled into one body, then placed in the battery casing, and several positions are used.
  • the strip or several positioning blocks are stuck between the battery core group and the inner wall of the battery casing to position the battery core group, but the heat dissipation condition of the battery core group in the battery is poor, and the positioning effect of the battery core group is also poor; the adjacent battery core group There is also a possibility of a short circuit.
  • the random arrangement, stacking and random connection of the electrodes of the adjacent cell groups of the four or eight cell groups may result in high space occupancy, messy wiring, and poor heat dissipation.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art described above, and provide a lithium ion starter battery for a vehicle with a plurality of battery cores fixedly mounted by a special bracket, so that a plurality of battery core groups are fixed on the bracket, thereby reducing
  • the space occupancy rate of multiple battery core groups improves the heat dissipation effect of the battery core group and avoids the short circuit phenomenon of adjacent battery core groups.
  • an automotive lithium ion starter battery including a bracket and four battery core groups placed on the bracket, wherein
  • the four battery core groups are distributed in upper and lower layers, and the battery core group is formed by stacking a plurality of electric core bodies, and the positive and negative electrode handles of the electric core body are respectively disposed at two ends of the electric core body;
  • the first battery group and the fourth battery group are located in the upper layer, and the second battery group and the third battery group are located in the lower layer; the first to fourth battery groups are pressed from top to bottom and then from left to right. And finally the order from bottom to top;
  • One pole of the first core group is connected to the first conductor as one pole of the battery, and one pole of the fourth core group is connected to the fifth conductor as the other pole of the battery; according to the distribution of the above-mentioned battery group, adjacent In the two battery groups, the positive pole of one of the battery core groups is on the same side as the negative pole of the other battery core group, and is connected by an electric conductor;
  • the bracket is composed of a bottom plate, a top plate and left and right side plates, and is partitioned into a plurality of battery group receiving slots by a plurality of partitions in the bracket, and each battery group receiving slot is provided with a battery core group,
  • the front and rear ends of the battery pack accommodating groove are open; the rear end portion of the battery pack accommodating groove forms at least one positioning stopper.
  • the present invention uses an electrical conductor to connect adjacent groups of cells in series to achieve a desired voltage value. Since the positive pole of one of the two battery core groups is on the same side as the negative pole of the other battery core group, only one conductor is needed to connect two adjacent battery core groups in series, and the maximum Limit the conductive area to a good high current discharge capacity, with good heat dissipation and low space occupancy.
  • This connection method connecting the entire via conductor distance, and using the battery of the present invention
  • the group distribution is ordered so that the positive and negative poles of the battery are respectively placed in the upper half of the side of the battery core group, which is advantageous for external connection.
  • the front side portion of the frame body of the present invention is not provided with a side plate for facilitating the installation of the battery core group; the rear side portion of the frame body is not provided with the side plate for the heat dissipation of the battery core group, and the partition plate is also beneficial for the heat dissipation of the battery core group.
  • the battery pack is loaded from the front side of the frame body (ie, the front end portion of the battery core receiving groove), and then pushed into the battery pack receiving groove until the battery group is blocked by the positioning block, one electric
  • the core group accommodating groove is provided with a battery core group, and the size of the battery group accommodating groove is made according to the size of the battery group.
  • the bracket of the present invention is particularly suitable for installing a battery core group having a positive electrode at one end and a negative electrode at the other end (that is, the battery core group of the present invention, the positive and negative poles of most existing battery core groups are located at the same end or the same side), and are used.
  • the same side electrode of the two adjacent battery groups ie, the positive pole of one battery core group and the negative pole of the other battery core group are on the same side
  • are connected in series with one conductor thereby reducing the risk of short circuit between the positive and negative poles. .
  • the anode of the first core group is connected to the first conductor as the anode of the battery
  • the cathode of the fourth core group is connected to the fifth conductor as the cathode of the battery
  • the cathode of the first core group and the second core The positive poles of the group are on the same side and connected by the second electrical conductor
  • the negative poles of the second electric core group are on the same side as the positive poles of the third electric core group, and are connected by the third electrical conductor
  • the positive electrodes of the battery cells are on the same side and are connected by a fourth electrical conductor.
  • each side of the symmetrical group of the battery core is provided with an insulating plate and a conductive plate, the conductive plate is located outside the insulating plate, and the electrical conductor is connected to the conductive plate.
  • the insulating plate is used to avoid the edge separation of the aluminum stencil for the pole stalk and the core body covering, and the conductive plate converges the current of all the small capacity electric core bodies, and the current output is uniform and stable.
  • the positive shanks of all the electric core bodies are sequentially bent through the insulating plates and the conductive plates on one side of the battery core group, and then bent and welded on the conductive plates on the side, and the negative electrode handles of all the electric core bodies are sequentially passed through the battery core group.
  • the insulating plate and the conductive plate on the other side are bent and welded on the conductive plate on the side to improve the positiveness of the core body.
  • the conductor is in the form of a sheet whose area matches the area of the conductive plate to be connected, thereby maximizing the conductive area.
  • the insulating plate and the conductive plate are provided with a plurality of through holes for penetrating the core body, and the size of the through holes is matched with the cross section of the core body shank to minimize the loss of the conductive plate area.
  • the insulating plate on the same side of the electric core body is integrated with the conductive plate to facilitate processing and assembly.
  • the starter battery further includes four upper and lower layers of battery cells disposed on the bracket (ie, the battery is composed of 8 battery groups), and the fifth battery group And the sixth battery group is located in the upper layer, the seventh battery group and the eighth battery group are located in the lower layer; the fifth to eighth battery groups are pressed from top to bottom, then from left to right, and finally from bottom to bottom
  • the negative electrode of the fourth battery group is connected to the positive electrode of the fifth battery group).
  • connection manner between the fifth to eighth battery groups is the same as that between the first to fourth battery groups (ie, the anode of the fifth battery group and the anode of the sixth battery group are The same side is connected by a sixth electrical conductor; the negative pole of the sixth electric core group is on the same side as the positive pole of the seventh electric core group, and is connected by the seventh electric conductor; the negative pole of the seventh electric core group and the eighth electric core group The positive electrode is on the same side and is connected by the eighth electrical conductor.
  • One pole of the first battery core is connected to the first electrical conductor as one pole of the battery, and one pole of the eighth electrical core group is connected to the ninth electrical conductor as another battery. pole.
  • the invention can be composed of 4 electric core groups to form a 12V series automobile starting battery, or 8 electric battery groups to form a 24V series automobile starting battery, and 12 electric battery groups to form a 36V series automobile starting battery, and so on.
  • the positioning member is located at the upper groove edge or the lower groove edge of the rear end portion of the battery group receiving groove. Positioning the position of the battery pack into the battery pack receiving slot without affecting the heat dissipation of the battery pack; the front and rear end slots of the battery pack receiving slot are provided for placing conductive
  • the positioning notch or the groove of the body, the positioning notch or the groove causes the electric conductor to be positioned and the outer end surface of the electric conductor does not protrude from the frame body, and the front and rear movement of the electric core group is restricted by the electric conductor; the top of the frame body A rib or a support column for heat-sealing the battery cover is provided, and the rib or the support post heat-seals the frame body and the battery cover.
  • the present invention has the following advantages: 1) Among the two adjacent battery groups, the positive pole of one of the battery core groups is on the same side as the negative pole of the other battery core group, and only one electrical conductor is needed. Two adjacent battery groups can be connected in series, and the conductive area can be maximized to achieve good high current discharge capability, good heat dissipation effect and low space occupation; 2) using the present invention between the battery groups
  • the connection mode is the closest to the entire via conductor, and the distribution of the battery cells of the present invention is used to arrange the positive and negative poles of the battery respectively in the upper half of the side of the battery core group, which is beneficial to the external connection of the battery core group;
  • the bracket can conveniently connect the same side electrode of two adjacent battery groups in series with one electric conductor, which reduces the risk of short circuit between the positive and negative poles; 4) the bracket makes the positioning and heat dissipation effect of the electric core group good.
  • FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.
  • Fig. 2 is an exploded perspective view showing the structure of the embodiment 1 of the present invention after the stent is removed.
  • Fig. 3 is a perspective structural view of the embodiment 1 of the present invention after the stent is removed.
  • Figure 4 is a front elevational view of Figure 3.
  • Figure 5 is a rear elevational view of Figure 3.
  • FIG. 6 is a front view
  • FIG. 7 is a rear view
  • Figure 8 is an exploded perspective view showing a second embodiment of the present invention.
  • Fig. 9 is an exploded perspective view showing the structure of the embodiment 2 of the present invention after the stent is removed.
  • Figure 10 is a perspective structural view of the embodiment 2 of the present invention after the stent is removed.
  • Figure 11 is a front elevational view of Figure 10.
  • Figure 12 is a rear elevational view of Figure 10.
  • FIG. 13-14 are schematic structural views of a stent according to Embodiment 2 of the present invention (FIG. 13 is a front view, and FIG. 14 is a rear view).
  • Figure 15 is a structural exploded view of the battery core set of the present invention.
  • the automobile lithium ion starting battery is composed of a bracket and four battery core groups mounted on the bracket, and the four battery core groups are distributed in upper and lower layers, and the electric power is distributed.
  • the core group is formed by stacking a plurality of electric core bodies 20, and the positive and negative handles of the electric core body are respectively disposed at two ends of the electric core body.
  • the first battery group 1 and the fourth battery group 4 are located in the upper layer, the second battery group 2 and the third battery group 3 are located in the lower layer; the first to fourth battery groups are pressed from top to bottom, and then From left to right, and finally from bottom to top.
  • the positive electrode of the first battery group 1 is connected to the first electric conductor 11 as the positive electrode of the battery, and the negative electrode of the fourth electric core group 4 is connected to the fifth electric conductor 15 as the negative electrode of the battery.
  • the anode of the first core group 1 is on the same side as the anode of the second core group 2, and is connected by the second conductor 12; the second core group 2
  • the negative electrode is on the same side as the positive electrode of the third battery group 3, and is connected by the third electrical conductor 13; the negative electrode of the third battery core group 3 is on the same side as the positive electrode of the fourth battery core group 4, and is connected by the fourth electrical conductor 14 .
  • the frame body 22 is composed of a bottom plate, a top plate and left and right side plates, and is partitioned into a plurality of battery group receiving grooves 24 through a plurality of partitions 23 in the frame body 22, and each of the battery core groups
  • a battery pack is placed in the receiving slot 24, and the front and rear ends of the battery pack receiving slot 24 are open.
  • a plurality of positioning members 25 are located at the upper groove side and the lower groove side of the rear end portion of the battery unit receiving groove 24; the front and rear end groove sides of the battery unit receiving groove 24 are provided with conductors for placing electrical conductors.
  • the notch 26 or the recess 27 is positioned; the top of the frame 22 is provided with ribs or support posts 28 for its heat sealing with the battery cover.
  • the symmetrical sides of the battery core group are respectively provided with an insulating plate 9 and a conductive plate 10, the conductive plate 10 is located outside the insulating plate 9, and the electrical conductor is connected to the conductive plate.
  • the positive shanks of all the core bodies 20 are sequentially bent through the insulating plates and the conductive plates on one side of the battery core group, and then bent and welded on the conductive plates on the side, and the negative electrode handles of all the battery core bodies are sequentially passed through the battery group.
  • the insulating plate and the conductive plate on one side are bent and welded on the conductive plate on the side.
  • the conductor is in the form of a sheet whose area matches the area of the conductive plate to be connected.
  • the insulating plate 9 and the conductive plate 10 are provided with a plurality of through holes 21 for penetrating the core body, and the size of the through holes is matched with the cross section of the pole piece of the core body.
  • the insulating plate 9 on the same side of the core body is integrated with the conductive plate 10.
  • the starting battery shown in FIG. 8-12 is different from the first embodiment in that the starting battery of the embodiment 2 is composed of 8 battery core groups, and the eight battery core groups are distributed in upper and lower layers, first.
  • the battery group 1, the fourth battery group 4, the fifth battery group 5, and the sixth battery group 6 are located in the upper layer, the second battery group 2, the third battery group 3, the seventh battery group 7 and the The eight cell group 8 is located on the lower layer.
  • the anode of the first core group 1 is on the same side as the anode of the second core group 2, and is connected by the second conductor 12;
  • the cathode of the second core group 2 is on the same side as the anode of the third core group 3, And connected by the third electric conductor 13;
  • the negative electrode of the third electric core group 3 is on the same side as the positive electrode of the fourth electric core group 4, and is connected by the fourth electric conductor 14;
  • the negative electrode and the fifth electric core of the fourth electric core group 4 The positive poles of the group are on the same side and connected by a fifth electrical conductor;
  • the anode of the fifth core group is on the same side as the anode of the sixth core group, and is connected by a sixth conductor;
  • the cathode of the sixth core group and the seventh The positive electrodes of the battery group are on the same side and connected by the seventh electrical conductor;
  • the negative electrode of the seventh electric core group is on the same side as the positive electrode of the eighth electric core group,
  • the positive electrode of the first battery group is connected to the first conductor as the positive electrode of the battery, and the negative electrode of the eighth battery group is connected to the ninth conductor as the negative electrode of the battery.
  • the bracket shown in Figures 13-14 has the same structure as the bracket of the first embodiment, but is laterally elongated in order to accommodate the installation of eight battery cells.

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

La présente invention concerne une batterie de démarrage de véhicule au lithium-ion comprenant un châssis et quatre groupes de noyau de batterie conçus au niveau du châssis. Le premier groupe de noyau de batterie (1) et le quatrième groupe de noyau de batterie (4) sont disposés au niveau d'une couche supérieure et le deuxième groupe de noyau de batterie (2) et le troisième groupe de noyau de batterie (3) sont disposés au niveau d'une couche inférieure. Les premier à quatrième groupes de noyau de batterie sont disposés dans l'ordre de haut en bas, puis de gauche à droite et enfin de bas en haut. En fonction de l'ordre de disposition des groupes de noyau de batterie qui précède, dans deux groupes de noyau de batterie adjacents, une anode d'un groupe de noyau de batterie et une cathode d'un autre groupe de noyau de batterie se trouvent du même côté et sont reliées à un corps conducteur. La solution fixe une pluralité de groupes de noyau de batterie sur un châssis, ce qui réduit le taux d'occupation dans l'espace de la pluralité de groupes de noyau de batterie, améliore un effet de dissipation de chaleur du groupe de noyau de batterie et évite que les groupes de noyau de batterie voisins ne subissent des courts-circuits.
PCT/CN2016/105340 2015-11-11 2016-11-10 Batterie de démarrage de véhicule au lithium-ion WO2017080491A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510770784.0 2015-11-11
CN201510770784.0A CN105336896B (zh) 2015-11-11 2015-11-11 汽车锂离子启动电池

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WO2017080491A1 true WO2017080491A1 (fr) 2017-05-18

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CN110509753A (zh) * 2019-08-12 2019-11-29 北京长城华冠汽车科技股份有限公司 电池箱安装结构及其制造方法以及车辆
CN113386546A (zh) * 2021-07-30 2021-09-14 东风商用车有限公司 一种新能源商用车动力电池挡水罩
CN115051095A (zh) * 2022-06-30 2022-09-13 东莞新能安科技有限公司 电化学装置、充电系统以及用电设备

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