CN109921017A - Lithium ion battery for motor bicycle - Google Patents

Lithium ion battery for motor bicycle Download PDF

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Publication number
CN109921017A
CN109921017A CN201910184048.5A CN201910184048A CN109921017A CN 109921017 A CN109921017 A CN 109921017A CN 201910184048 A CN201910184048 A CN 201910184048A CN 109921017 A CN109921017 A CN 109921017A
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CN
China
Prior art keywords
motor bicycle
lithium ion
ion battery
primary particle
electrode material
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
CN201910184048.5A
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Chinese (zh)
Inventor
丁勉
李宏科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xintu Fenglong Energy Technology (suzhou) Co Ltd
Original Assignee
Xintu Fenglong Energy Technology (suzhou) Co Ltd
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 Xintu Fenglong Energy Technology (suzhou) Co Ltd filed Critical Xintu Fenglong Energy Technology (suzhou) Co Ltd
Priority to CN201910184048.5A priority Critical patent/CN109921017A/en
Publication of CN109921017A publication Critical patent/CN109921017A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention relates to electrode material fields, specifically disclose a kind of lithium ion battery for motor bicycle, it includes electrode material and base flow body, the electrode material is by the molecular secondary micro-size particles material of a nanoparticle, positive electrode is using nanoscale primary particle, by the secondary secondary micro-size particles material assembled;The nanoscale primary particle any one or several combinations in ternary material, LiFePO4 LiMn2O4, cobalt acid lithium or lithium ferric manganese phosphate;Negative electrode material uses nanoscale primary particle, by the secondary secondary micro-size particles material assembled;The nanoscale primary particle any one or several combinations in metatitanic acid lithium particle, carbosphere, hard carbon, ball-type silicon or deposited carbon nano silicon material.The lithium ion battery have high-energy density, high power charging-discharging ability, motor bicycle Life cycle cycle life.

Description

Lithium ion battery for motor bicycle
Technical field
The present invention relates to battery technology fields, and in particular to a kind of lithium ion battery for motor bicycle.
Background technique
Since shared bicycle is born, there is faster spreading speed, entered each big city at present, become and make up public transport Another novel public transport except vehicle, taxi.
The shared bicycle of mainstream is conventional mechanical shared bicycle currently on the market.This bicycle use process is heavy, There is no navigation feature, without positioning function.The correlations the such as whether operating status of the shared bicycle of correlation, position, operation good Information can not be grasped in time, bring inconvenience to back-stage management and maintenance.
Summary of the invention
The object of the present invention is to provide the lithium ion battery for motor bicycle, the lithium ion battery have high-energy density, The cycle life of high power charging-discharging ability, motor bicycle Life cycle.
The technical scheme is that being used for the lithium ion battery of motor bicycle comprising electrode material and base flow body, it is described Electrode material is by the molecular secondary micro-size particles material of a nanoparticle.
In currently preferred technical solution, electrode material includes positive electrode and negative electrode material.
In currently preferred technical solution, the positive electrode of the lithium ion battery is to use nanoscale primary particle, By the secondary secondary micro-size particles material assembled;The nanoscale primary particle is selected from ternary material, LiFePO4 Any one or several combinations in LiMn2O4, cobalt acid lithium or lithium ferric manganese phosphate.
In currently preferred technical solution, the negative electrode material of the lithium ion battery uses nanoscale primary particle, By the secondary secondary micro-size particles material assembled;The nanoscale primary particle be selected from metatitanic acid lithium particle, carbosphere, Any one or several combinations in hard carbon, ball-type silicon or deposited carbon nano silicon material.
In currently preferred technical solution, the base flow body is to apply carbon metal foil net,
In currently preferred technical solution, the base flow body is the aluminium foil using 6~20um thickness through being punching into aluminium net, Conductive carbon pastes again through surface coating 1~3um thickness, apply carbon aluminium net base flow body made of drying.
In currently preferred technical solution, the battery installation position of the motor bicycle is set to implicit type design, preferably uses The mode for opening bayonet fastly, battery is mounted on the crossbeam of car body, so that battery and car body form an entirety.
The diaphragm of battery is ceramic diaphragm, specifically uses 6~30um thickness battery diaphragm, aoxidizes through surface coating nanometer Ceramic diaphragm made of aluminum particulate slurry.
Motor bicycle uses the protection board with telecommunication and positioning function, so that motor bicycle has and backstage Between telecommunication and positioning function.
Protection board, have to the capacity of battery pack, voltage, electric current, temperature real-time monitoring and control, it is ensured that motor bicycle use The normal operation of power-supply system in the process.The protection board has the function of the active equalization between battery modules and monomer simultaneously, really The longer service life of motor bicycle power supply is protected.
Motor bicycle vehicle body uses light-weight design, specifically uses the whole design vehicle frame of aluminium alloy, and electric vehicle motor is One of 180W, 200W, 240W, 300W.
Based on the market status, the creative a pure electric vehicle that develops of this programme shares bicycle, power supply by battery modules, The part such as protection board, communications localization system, control system, low-tension supply forms.So that this motor bicycle have telecommunication and Positioning function facilitates back-stage management and maintenance work.Backstage personnel can know the actual conditions of bicycle in time, can be timely It is proposed maintenance and maintenance action, it is ensured that effective use of shared motor bicycle.
Battery modules are formed by quick charging battery by connection sheet in series and parallel, which has charge/discharge speed fastly, again The features such as rate is big, good environmental adaptability, specific energy are high, and electric vehicle course continuation mileage is long, service life is lasting.
Protection board, be by glass fiber reinforcement plate, through printed circuit, welding kesistance, capacitor, crystal oscillator, signal acquisition chip, The components such as communication and navigation chip, electricity computing chip, DC decompression chip, are finally made protection board through aging process.The guarantor Backplate manages the voltage of battery modules, temperature, charging and discharging currents etc., it is ensured that battery modules work normally, and avoid uneasiness Full phenomenon occurs.Heavy current circuit is in parallel by the AON6590 high-power MOSFET tube of 6 AN company productions on the protection board It uses, realizes the high current in charge and discharge process.
Communications localization system is the global function communication positioning chip MTK using MC20 company.The chip be compatible with GSM, The engine of the communications localization systems such as GPRS, GNSS, while having powerful data operation function concurrently.Ensure the real-time of shared motor bicycle Communication, in real time positioning and movement navigation function.Ensure that remote control, road guide, the health information of shared motor bicycle exist The real-time determination of line feedback and single shared motor bicycle position
Control system is the SMT32L151 family chip using Yi Fa company, is acquired by the I2C bus on protection board Battery modules information, telecommunication information, provide mandatory signal after calculation process, by I2C bus by action command Information is passed to correlation module and completes the instruction actions such as unlock, charging, clearing, system diagnostics.
Low-tension supply is entire control system, protection using the TPS54340 type DC-DC voltage dropping power supply of American TI Company Plate, communication system provide low pressure 3V, 3.7V and 5V low-tension supply.
Motor bicycle vehicle body is integrally designed using lightweight, is specifically integrally manufactured using aluminium alloy, battery case is embedded in vehicle In beam, an entirety is formed with car body.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of positive electrode of the present invention.1 is a nanoparticle of positive electrode, partial size 50 ~320nm, 11 be secondary micro particles, 4~24um of partial size.
Fig. 2 Fig. 1 is the schematic diagram of one embodiment of negative electrode material of the present invention.2 be a nanoparticle of negative electrode material, partial size 100~380nm, 21 be secondary micro particles, 6~28um of partial size.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
It introduces and summarizes
The present invention by way of example rather than provide the mode of limitation to be illustrated.It should be noted that in present disclosure " one " or "an" embodiment is not necessarily referring to same specific embodiment, and refers at least a kind of.
Various aspects of the invention are described below.However, as will be readily apparent to one of skill in the art, it can Only some or all of aspects according to the present invention implement the present invention.For purposes of illustration, provide herein specific number, material and Configuration, enables one to thoroughly understand the present invention.However, those of skill in the art are evident that, The present invention is without concrete details, that is, implementable.In other examples, many institutes have been omitted or simplified not make the present invention obscure Known feature.
Various operations are successively described as multiple discrete steps, and with the side of the invention most helpful in understanding Formula illustrates;However, in-order description should not be construed as to imply that these operations are necessarily dependent on sequence.
It will illustrate various embodiments according to the reactant of type species.Those of skill in the art will be shown and It is clear to, any number of different types of reactant can be used to implement for the present invention, and be more than those for the purpose of illustration And the reactant provided herein.In addition, also it is evident that, the invention is not limited to any specific mixing to show Example.
Embodiment 1:
Using the anode pole piece, cathode pole piece, diaphragm of preparation, through Z-shaped lamination, then pre-welding, enter shell, tab weldering It connects, dry, fluid injection, sealing, chemical conversion, the battery in final obtained this programme.
Using the above process, the rectangular aluminum-shell battery of 5Ah is made, battery is welded in series and parallel by the nickel strap of 3mm ╳ 0.5mm, 72V20Ah battery pack is made, then battery pack and protection board are welded, motor bicycle power supply is made.
By power supply assembly on motor bicycle vehicle body, the motor bicycle in this programme is made.This motor bicycle may be implemented in -40 DEG C Under low temperature, the characteristic of 10C charging and 10C electric discharge is realized in 0.6C charging and 1C continuous discharge at normal temperature.The system circulation service life reaches To 8500 times, disposable 160 kilometers of pure power mode course continuation mileage.
Embodiment 2:
Then shell, point bottom, slot rolling, nut cap weldering are entered by winding using the anode pole piece, cathode pole piece, diaphragm of preparation It connects, dry, fluid injection, sealing, chemical conversion, the battery in final obtained this programme.
Using the above process, 3200mAh18650 battery is made, battery is welded in series and parallel by the nickel strap of 3mm ╳ 0.5mm, 36V10Ah battery pack is made, then battery pack and protection board are welded, motor bicycle power supply is made.
By power supply assembly on motor bicycle vehicle body, the motor bicycle in this programme is made.This motor bicycle may be implemented in -40 DEG C Under low temperature, the characteristic of 10C charging and 10C electric discharge is realized in 1C charging and 1C continuous discharge at normal temperature.The system circulation service life reaches 8500 times, disposable 65 kilometers of pure power mode course continuation mileage.
Embodiment 3:
Using the anode pole piece, cathode pole piece, diaphragm of preparation, through multipole ear winding, then pre-welding, enter shell, tab weldering It connects, dry, fluid injection, an envelope, chemical conversion, two envelopes, the battery in final obtained this programme.
Using the above process, the rectangular soft-package battery of 10Ah is made, battery carries out soldering weldering by epoxy switching plate serioparallel It connects, 48V20Ah battery pack is made, then battery pack and protection board are welded, motor bicycle power supply is made.
By power supply assembly on motor bicycle vehicle body, the motor bicycle in this programme is made.This motor bicycle may be implemented in -40 DEG C Under low temperature, the characteristic of 10C charging and 10C electric discharge is realized in 0.6C charging and 1C continuous discharge at normal temperature.The system circulation service life reaches To 8500 times, disposable 120 kilometers of pure power mode course continuation mileage.
Specific embodiment described above is only the preferred embodiment of the present invention, it is noted that for the art For those of ordinary skill, without departing from the principle of the present invention, several improvement or replacement can also be made, these improvement Or replacement should also be as being considered as protection scope of the present invention.

Claims (8)

1. being used for the lithium ion battery of motor bicycle comprising electrode material and base flow body, which is characterized in that the electrode material is By the molecular secondary micro-size particles material of a nanoparticle.
2. the lithium ion battery according to claim 1 for motor bicycle, which is characterized in that electrode material includes positive material Material and negative electrode material.
3. the lithium ion battery according to claim 2 for motor bicycle, which is characterized in that the lithium ion battery is just Pole material is using nanoscale primary particle, by the secondary secondary micro-size particles material assembled;The nanoscale one Any one or several combinations in ternary material, LiFePO4 LiMn2O4, cobalt acid lithium or lithium ferric manganese phosphate of secondary particle.
4. the lithium ion battery according to claim 2 for motor bicycle, which is characterized in that the lithium ion battery is born Pole material uses nanoscale primary particle, by the secondary secondary micro-size particles material assembled;The nanoscale is primary Particle any one or several combinations in metatitanic acid lithium particle, carbosphere, hard carbon, ball-type silicon or deposited carbon nano silicon material.
5. the lithium ion battery according to claim 1 for motor bicycle, which is characterized in that the base flow body is to apply carbon gold Belong to foil net.
6. the lithium ion battery according to claim 1 for motor bicycle, which is characterized in that the base flow body is using 6 The aluminium foil of~20um thickness is punching into aluminium net, then the conductive carbon pastes through surface coating 1~3um thickness, is applied made of drying Carbon aluminium net base flow body.
7. the lithium ion battery according to claim 1 for motor bicycle, which is characterized in that the battery of the motor bicycle is pacified Holding position designs installation for implicit type.
8. the lithium ion battery according to claim 1 for motor bicycle, which is characterized in that the battery of the motor bicycle is pacified On the crossbeam of car body, so that battery and car body form an entirety.
CN201910184048.5A 2019-03-12 2019-03-12 Lithium ion battery for motor bicycle Pending CN109921017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910184048.5A CN109921017A (en) 2019-03-12 2019-03-12 Lithium ion battery for motor bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910184048.5A CN109921017A (en) 2019-03-12 2019-03-12 Lithium ion battery for motor bicycle

Publications (1)

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CN109921017A true CN109921017A (en) 2019-06-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111600064A (en) * 2020-05-13 2020-08-28 隆能科技(南通)有限公司 Fast-charging lithium ion battery with high energy density and long service life and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101504978A (en) * 2009-03-19 2009-08-12 厦门钨业股份有限公司 Lithium ionic cell positive plate made from ternary material and production method thereof
CN101867042A (en) * 2010-06-28 2010-10-20 彩虹集团公司 Preparation method of nanometer level metallic lithium phosphate salt LiMPO4
CN102376945A (en) * 2010-08-20 2012-03-14 三星Sdi株式会社 Negative active material, method of preparing same, and rechargeable lithium battery including same
CN102832392A (en) * 2012-06-27 2012-12-19 长沙业翔能源科技有限公司 Current collector carbon coated aluminum foil and its preparation method
CN103050693A (en) * 2012-12-24 2013-04-17 彩虹集团公司 Preparation method for spherical LiMnPO4 anode material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101504978A (en) * 2009-03-19 2009-08-12 厦门钨业股份有限公司 Lithium ionic cell positive plate made from ternary material and production method thereof
CN101867042A (en) * 2010-06-28 2010-10-20 彩虹集团公司 Preparation method of nanometer level metallic lithium phosphate salt LiMPO4
CN102376945A (en) * 2010-08-20 2012-03-14 三星Sdi株式会社 Negative active material, method of preparing same, and rechargeable lithium battery including same
CN102832392A (en) * 2012-06-27 2012-12-19 长沙业翔能源科技有限公司 Current collector carbon coated aluminum foil and its preparation method
CN103050693A (en) * 2012-12-24 2013-04-17 彩虹集团公司 Preparation method for spherical LiMnPO4 anode material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111600064A (en) * 2020-05-13 2020-08-28 隆能科技(南通)有限公司 Fast-charging lithium ion battery with high energy density and long service life and preparation method thereof

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Application publication date: 20190621