CN106169617A - A kind of space safety high power lithium ion accumulator - Google Patents

A kind of space safety high power lithium ion accumulator Download PDF

Info

Publication number
CN106169617A
CN106169617A CN201610875207.2A CN201610875207A CN106169617A CN 106169617 A CN106169617 A CN 106169617A CN 201610875207 A CN201610875207 A CN 201610875207A CN 106169617 A CN106169617 A CN 106169617A
Authority
CN
China
Prior art keywords
positive
component
lithium ion
space
high power
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
CN201610875207.2A
Other languages
Chinese (zh)
Inventor
顾洪汇
程广玉
高蕾
王可
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.)
Shanghai Institute of Space Power Sources
Original Assignee
Shanghai Institute of Space Power Sources
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 Shanghai Institute of Space Power Sources filed Critical Shanghai Institute of Space Power Sources
Priority to CN201610875207.2A priority Critical patent/CN106169617A/en
Publication of CN106169617A publication Critical patent/CN106169617A/en
Pending legal-status Critical Current

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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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
    • 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a kind of space safety high power lithium ion accumulator, it includes positive plate, negative plate, by separate for both positive and negative polarity barrier film, electrolyte, positive plate includes plus plate current-collecting body and is coated on the positive-active coating of anode collection surface, this positive-active coating comprises positive active material, the hybrid architecture that this positive active material is made up of component A and component B, component A is cobalt acid lithium, nickel cobalt lithium aluminate, at least one in nickle cobalt lithium manganate, the outer surface coated with conductive carbon-coating of component A, the quality of this conductive carbon layer and the mass ratio of component A are (0.1 2): 100, carbon layers having thicknesses is nanoscale；At least one in LiMn2O4 and LiFePO4 of component B；It is 5% ~ 50% that component B accounts for the mass percent of positive active material.Compared with prior art, in the present invention, the use of blended anode system can be greatly improved high rate performance and the security performance of space lithium ion battery, expands lithium ion battery application in space power system.

Description

A kind of space safety high power lithium ion accumulator
Technical field
The invention belongs to the technical field of lithium-ions battery, be specifically related to a kind of safe Gao Gong in mixed system type space Rate lithium-ions battery.
Background technology
Lithium-ions battery has higher energy density, long circulating relative to lead-acid battery, ickel-cadmium cell, Ni-H cell The advantages such as life-span and more low self-discharge rate, are currently widely used to each electronic product, new-energy automobile and space and defend In star power subsystem.
Being high-energy-density type at space accumulation power supply lithium-ions battery at present, cell specific energy is higher, suitable For lightweight and long-life satellite power supply.And along with the space loading continuous lifting to power-supply system power demand, high ratio Power lithium ion accumulator is because of its higher specific power and takes into account certain specific energy and obtains extensive concern.At present in space The development of high-specific-power lithium-ions battery technology is relatively slow, and corresponding technology is the most immature, simultaneously because high-power lithium ion Accumulator would generally produce high heat when heavy-current discharge, and the safety therefore improving accumulator is most important.
To this end, the present invention is from improving lithium-ions battery electrochemical system, while improving cell power density Increase the intrinsic safety of battery, expand its application in satellite platform further.
Summary of the invention
A kind of mixed system type space high power that the invention aims to solve above-mentioned technical problem and design Lithium-ions battery, this lithium ion battery has the technical characterstic such as high rate capability and security performance.
For reaching above-mentioned purpose, the invention provides a kind of space safety high power lithium ion accumulator, including positive pole Sheet, negative plate, by separate for both positive and negative polarity barrier film, electrolyte, and the hermetically sealed housing of space lithium-ions battery, described just Pole piece includes plus plate current-collecting body and is coated on the positive-active coating of anode collection surface, by mass percentage, described Positive-active coating includes following components:
Positive active material: 85% ~ 95%；
Positive conductive agent: 0.1% ~ 10%；
Positive pole bonding agent: 0.1% ~ 10%；
The hybrid architecture that described positive active material is made up of component A and component B, described component A is cobalt acid lithium, nickel cobalt aluminum At least one in acid lithium, nickle cobalt lithium manganate, at least one in LiMn2O4 and LiFePO4 of described component B；
It is 5% ~ 50% that described component B accounts for the mass percent of positive active material.Component B accounts for the percent mass of positive active material Ratio can not be the highest, otherwise can reduce capacity and the specific energy of battery, can not be the lowest, otherwise cannot improve the safety of battery.
Preferably, the particle diameter D50 of described component A is 5 ~ 10um, and the particle diameter D50 of component B is 4 ~ 10um.
For improving the multiplying power property of lithium ion battery, the outer surface of described component A is coated with conductive carbon layer, described The quality of carbon-coating and the mass ratio of described component A be (0.1-2): 100, carbon layers having thicknesses is nanoscale.
Described positive conductive agent selects at least one in the super white carbon black of conduction, CNT and Graphene.
Described positive pole bonding agent selects at least one in Kynoar, butadiene-styrene rubber and politef.
Described negative plate includes negative current collector and is coated on the negative electrode active coating of negative pole currect collecting surface, by matter Amount percentage ratio, described negative electrode active coating includes following components:
Negative electrode active material: 80% ~ 95%；
Cathode conductive agent: 1% ~ 10%；
Negative pole bonding agent: 1% ~ 10%；
Described negative electrode active material be Delanium, carbonaceous mesophase spherules, hard carbon, tin metal alloy at least one.
The particle diameter D50 of described negative electrode active material is 5 ~ 10um, and particle diameter is little, material particle size narrowly distributing.
Described cathode conductive agent selects at least one in the super white carbon black of conduction, CNT and Graphene.
As a kind of improvement of space safety high-power lithium ion storage battery of the present invention, described positive conductive agent and negative pole Conductive agent is at least one conducted electricity in super white carbon black and CNT, Graphene.By some two dimension and three-dimensional conductive The introducing of material builds three-dimensional conductive network, improves the electrical contact between electrode material activity material, strengthens pole piece conductive capability And with the electrical contact of collector.The most certain high-effective conductive agent adds can preferably connect between active substance and collector Contact force, strengthens the toughness of electrode slice.
Described negative pole bonding agent selects at least one in Kynoar, butadiene-styrene rubber and politef.
Relative to prior art, there is advantages that the present invention is carried out simply by component A and component B Physical mixed, be possible not only to the spies such as high power capacity and the high magnification of taking into account the materials such as cobalt acid lithium, nickel cobalt lithium aluminate, nickle cobalt lithium manganate Point, and the excellent multiplying power of LiMn2O4 and LiFePO4 etc. and security feature advantage, and mechanical mixture is simply easily achieved. And, outside the material of component A, the conductive carbon layer of cladding, can improve the discharge capability of above-mentioned mixed system type battery so that electricity Pool structure is more stable, is conducive to improving the cycle performance of battery.Additionally, small sized particles material all selected by material in the present invention Material, the particle diameter D50 of component A is 5 ~ 10um, and the particle diameter D50 of component B is 4 ~ 10um, material particle size narrowly distributing.Small sized particles It is little that material has particle diameter, the feature that specific surface area is big, shows following superiority: (1) improves the kinetics of lithium ion transport Energy.Owing to grain diameter is little, lithium ion the evolving path is short, greatly reduces lithium ion average diffusion time in solid phase；More Short transmission path makes high current charge-discharge be possibly realized, and bigger specific surface area reduces actual current density, reduces The holding of the destruction to electrode material, beneficially cycle performance；(2) alleviate in the lattice that in charge and discharge process, material structure produces Stress, shows higher embedding lithium capacity and long circulation life.
Accompanying drawing explanation
Fig. 1 is the high-multiplying power discharge schematic diagram of embodiments of the invention 1.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the detailed description of the invention of the present invention is further described.
Embodiment 1-3
The lithium ion battery that embodiment 1-3 provides, including positive plate, negative plate, barrier film and electrolyte, battery design capacity 4Ah；Positive plate includes plus plate current-collecting body and is coated on the positive-active coating of anode collection surface, and plus plate current-collecting body is thickness Aluminium foil for 20um；The formula of positive-active coating is as shown in table 1.Negative plate includes negative current collector and is coated on negative pole currect collecting The negative electrode active coating of surface, negative current collector be thickness be the Copper Foil of 12um；The formula of negative electrode active coating such as table 1 institute Show.
Table 1: the composition of raw materials (in terms of mass fraction) of embodiment 1-3
Electrolyte mainly includes machine solvent, additive and lithium salts, and lithium salts is LiFP6, concentration is 1.2mol/L, organic solvent master DMC(dimethyl carbonate to be), EMCEMC(Ethyl methyl carbonate), EC(ethylene carbonate) etc., simultaneously add VC(vinylene carbonate Ester), PS(propylene sulfite), the additive such as LiODFB.
The thickness of barrier film is the PP(polypropylene of 25um)/PE(polyethylene)/PP sandwich diaphragm.
The preparation method of the battery of the present embodiment is:
The preparation of positive plate: slurry will be mixed in cobalt acid lithium, LiMn2O4, white carbon black, CNT, Kynoar addition NMP, Be evenly applied on aluminium foil, drying, roll-in, cut after, obtain positive plate；
The preparation of negative plate: by being mixed into slurry in Delanium, white carbon black, CNT Kynoar addition NMP, be uniformly coated with Be overlying on Copper Foil, drying, roll-in, cut after, obtain negative plate；
The preparation of battery core: positive plate, negative plate and barrier film are made battery core by Z-shaped lamination sheets mode, then at positive plate and Respectively by ultrasonic bonding positive pole ear and negative lug on negative plate, finally battery core is placed in hermetically sealed housing, baking, Remove the moisture in battery core；
Fluid injection: inject a certain amount of above-mentioned electrolyte in above-mentioned battery core, sealing stands；
Finally, above-mentioned battery core is carried out forming and capacity dividing, aging through after a while, obtain high-power lithium-ions battery.
The battery of above-mentioned 4Ah is carried out high-multiplying power discharge, as it is shown in figure 1, the high magnification for the battery of embodiment 1 preparation is put Electrical schematic, battery is the highest can discharge with 200A, and multiplying power reaches as high as 50C, and high rate performance is outstanding.Embodiment 2, embodiment 3 warp Above-mentioned high-multiplying power discharge detects, and multiplying power is the most all up to 50C, and the high rate performance of the lithium-ions battery of prior art is generally 10C ~ 20C, it is seen then that the battery high rate performance that the present invention provides is greatly improved.
The battery simultaneously embodiment 1-3 prepared is tested with GB and national military standard associated safety, can pass through acupuncture, short The safety tests such as road, overcharge, overdischarge, security performance is outstanding, can be used for space power system.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

1. a space safety high power lithium ion accumulator, including positive plate, negative plate, by separate for both positive and negative polarity barrier film, Electrolyte, and the hermetically sealed housing of space lithium-ions battery, it is characterised in that:
Described positive plate includes plus plate current-collecting body and is coated on the positive-active coating of anode collection surface, described just Pole active coating comprises positive active material, the hybrid architecture that this positive active material is made up of component A and component B, group Dividing A is at least one in cobalt acid lithium, nickel cobalt lithium aluminate, nickle cobalt lithium manganate, and component B is selected from LiMn2O4 and LiFePO4 extremely Few one；
The quality of the outer surface coated with conductive carbon-coating of described component A, the quality of described conductive carbon layer and described component A Than being (0.1-2): 100, carbon layers having thicknesses is nanoscale；
It is 5% ~ 50% that described component B accounts for the mass percent of positive active material.
Space the most according to claim 1 safety high power lithium ion accumulator, it is characterised in that: the particle diameter of component A D50 is 5 ~ 10um, and the particle diameter D50 of component B is 4 ~ 10um.
Space the most according to claim 1 safety high power lithium ion accumulator, it is characterised in that: described positive pole is lived Property coating includes following components, is calculated in mass percent:
Positive active material: 85% ~ 95%；
Positive conductive agent: 0.1% ~ 10%；
Positive pole bonding agent: 0.1% ~ 10%.
Space the most according to claim 3 safety high power lithium ion accumulator, it is characterised in that: described positive pole is led Electricity agent selects at least one in the super white carbon black of conduction, CNT and Graphene.
Space the most according to claim 3 safety high power lithium ion accumulator, it is characterised in that: described is the most very viscous Connect agent and select at least one in Kynoar, butadiene-styrene rubber and politef.
Space the most according to claim 1 safety high power lithium ion accumulator, it is characterised in that: described negative plate Including negative current collector and the negative electrode active coating that is coated on negative pole currect collecting surface, by mass percentage, described negative pole Active coating includes following components:
Negative electrode active material: 80% ~ 95%；
Cathode conductive agent: 1% ~ 10%；
Negative pole bonding agent: 1% ~ 10%.
Space the most according to claim 6 safety high power lithium ion accumulator, it is characterised in that: described negative pole is lived Property material be Delanium, carbonaceous mesophase spherules, hard carbon, tin metal alloy at least one.
Space the most according to claim 6 safety high power lithium ion accumulator, it is characterised in that: negative electrode active material Particle diameter D50 be 5 ~ 10um.
Space the most according to claim 6 safety high power lithium ion accumulator, it is characterised in that: described negative pole is led Electricity agent selects at least one in the super white carbon black of conduction, CNT and Graphene.
Space the most according to claim 6 safety high power lithium ion accumulator, it is characterised in that: described negative pole Bonding agent selects at least one in Kynoar, butadiene-styrene rubber and politef.
CN201610875207.2A 2016-09-30 2016-09-30 A kind of space safety high power lithium ion accumulator Pending CN106169617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610875207.2A CN106169617A (en) 2016-09-30 2016-09-30 A kind of space safety high power lithium ion accumulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610875207.2A CN106169617A (en) 2016-09-30 2016-09-30 A kind of space safety high power lithium ion accumulator

Publications (1)

Publication Number Publication Date
CN106169617A true CN106169617A (en) 2016-11-30

Family

ID=57376439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610875207.2A Pending CN106169617A (en) 2016-09-30 2016-09-30 A kind of space safety high power lithium ion accumulator

Country Status (1)

Country Link
CN (1) CN106169617A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107579245A (en) * 2017-09-16 2018-01-12 江苏超电新能源科技发展有限公司 A kind of charge rate lithium ion battery and preparation method thereof
CN107742727A (en) * 2017-10-13 2018-02-27 江苏海四达电源股份有限公司 Lithium cell cathode material, cathode of lithium battery and preparation method thereof and lithium battery
CN108511753A (en) * 2017-05-02 2018-09-07 万向二三股份公司 A kind of lithium iron phosphate battery anode conductive agent and its application
CN108963198A (en) * 2017-05-22 2018-12-07 动力专家有限公司 Anode, cathode, preparation method and the lithium ion battery including it
CN109786854A (en) * 2018-12-30 2019-05-21 广州力柏能源科技有限公司 A kind of fast charge lithium ion battery and preparation method thereof
CN109860484A (en) * 2018-12-12 2019-06-07 上海空间电源研究所 A kind of hermetically sealed lithium ion battery of high specific property
CN110224131A (en) * 2019-07-03 2019-09-10 珠海冠宇电池有限公司 A kind of lithium ion battery and preparation method thereof
CN113130910A (en) * 2019-12-30 2021-07-16 江西格林德能源有限公司 Positive pole piece of lithium ion battery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102165628A (en) * 2008-09-19 2011-08-24 He3Da有限责任公司 Lithium accumulator and the method of producing thereof
CN104347880A (en) * 2014-10-14 2015-02-11 东莞新能源科技有限公司 Lithium ion battery capable of quick charging
CN105047907A (en) * 2015-09-08 2015-11-11 上海空间电源研究所 High-safety lithium ion battery
CN105355889A (en) * 2015-11-28 2016-02-24 西安瑟福能源科技有限公司 High-voltage high-magnification lithium ion battery
CN105932325A (en) * 2016-07-18 2016-09-07 上海空间电源研究所 Long-storage life lithium ion storage battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102165628A (en) * 2008-09-19 2011-08-24 He3Da有限责任公司 Lithium accumulator and the method of producing thereof
CN104347880A (en) * 2014-10-14 2015-02-11 东莞新能源科技有限公司 Lithium ion battery capable of quick charging
CN105047907A (en) * 2015-09-08 2015-11-11 上海空间电源研究所 High-safety lithium ion battery
CN105355889A (en) * 2015-11-28 2016-02-24 西安瑟福能源科技有限公司 High-voltage high-magnification lithium ion battery
CN105932325A (en) * 2016-07-18 2016-09-07 上海空间电源研究所 Long-storage life lithium ion storage battery

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511753A (en) * 2017-05-02 2018-09-07 万向二三股份公司 A kind of lithium iron phosphate battery anode conductive agent and its application
CN108963198A (en) * 2017-05-22 2018-12-07 动力专家有限公司 Anode, cathode, preparation method and the lithium ion battery including it
CN107579245A (en) * 2017-09-16 2018-01-12 江苏超电新能源科技发展有限公司 A kind of charge rate lithium ion battery and preparation method thereof
CN107742727A (en) * 2017-10-13 2018-02-27 江苏海四达电源股份有限公司 Lithium cell cathode material, cathode of lithium battery and preparation method thereof and lithium battery
CN109860484A (en) * 2018-12-12 2019-06-07 上海空间电源研究所 A kind of hermetically sealed lithium ion battery of high specific property
CN109786854A (en) * 2018-12-30 2019-05-21 广州力柏能源科技有限公司 A kind of fast charge lithium ion battery and preparation method thereof
CN109786854B (en) * 2018-12-30 2022-04-22 广州力柏能源科技有限公司 Quick-charging lithium ion battery and preparation method thereof
CN110224131A (en) * 2019-07-03 2019-09-10 珠海冠宇电池有限公司 A kind of lithium ion battery and preparation method thereof
CN113130910A (en) * 2019-12-30 2021-07-16 江西格林德能源有限公司 Positive pole piece of lithium ion battery

Similar Documents

Publication Publication Date Title
EP3993110A1 (en) Electrode sheet, electrochemical device and device thereof
US9401505B2 (en) Separator including coating layer of inorganic and organic mixture, and battery including the same
CN106169617A (en) A kind of space safety high power lithium ion accumulator
CN105958008B (en) A kind of lithium ion battery anode composite piece, preparation method and lithium ion battery
CN111785925B (en) Pole piece and application thereof, and low-temperature-rise high-safety lithium ion battery containing same
US20140113175A1 (en) High capacity lithium ion battery containing metallic conducting materials
CN104078246A (en) Lithium ion battery capacitor
CN108649182A (en) A kind of high security lithium ion battery
CN104795559A (en) High-energy-density lithium-ion battery
WO2021008429A1 (en) Secondary battery, and battery module, battery pack and device related thereto
CN102332558A (en) Lithium ion battery and anode pole piece thereof
CN104681820A (en) Lithium ion battery current collector and lithium ion battery
CN109802094A (en) A kind of low temperature ferric phosphate lithium cell and preparation method thereof
CN103117411A (en) Lithium ion battery and production method thereof
WO2018059180A1 (en) High-power, high-energy chemical power supply and preparation method therefor
CN112216814A (en) Electrode plate, secondary battery, preparation method of secondary battery and device containing secondary battery
CN112290080A (en) Lithium ion battery capable of being charged at low temperature
CN113422111A (en) Electrolyte and lithium ion battery containing same
CN101609908A (en) A kind of lithium ion battery
CN111710900A (en) Graphene-based lithium iron phosphate anode-silica composite cathode low-temperature high-magnification high-energy-density lithium ion battery
CN105226325B (en) A kind of lithium titanate battery electrolyte and lithium titanate battery
CN109244335A (en) A kind of polyimide diaphragm lithium-sulfur cell and preparation method thereof
CN101934269A (en) Coating process for cathode material lithium iron phosphate and lithium ion battery thereof
CN105513827A (en) (LMO-NCM-AC)/(LTO-AC) hybrid battery capacitor electrode material and electrode sheets
CN106169616A (en) A kind of nickel cobalt lithium aluminate large-capacity high-power lithium ion accumulator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161130

RJ01 Rejection of invention patent application after publication