CN108565504A - A kind of manufacturing method of metal-modified accumulator - Google Patents
A kind of manufacturing method of metal-modified accumulator Download PDFInfo
- Publication number
- CN108565504A CN108565504A CN201810369467.1A CN201810369467A CN108565504A CN 108565504 A CN108565504 A CN 108565504A CN 201810369467 A CN201810369467 A CN 201810369467A CN 108565504 A CN108565504 A CN 108565504A
- Authority
- CN
- China
- Prior art keywords
- battery
- positive
- modified
- negative
- metal
- 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
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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/38—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0419—Methods of deposition of the material involving spraying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Proposed by the present invention is a kind of manufacturing method of metal-modified accumulator.It is equipped with cathode in negative electrode active material mixture in battery, anode is equipped in positive electrode active materials mixture, outside batteries are enclosed with shell.Prepared by the cuprous oxide fine-particle powder by nanosizing, the modification of positive and negative anodes high molecular material, the preparation of active material mixture, the manufacturing step of battery product.The present invention manufactures accumulator using metal-modified technology, has and saves the energy, and charging rate is fast, and energy storage is efficient, and usage time grows the advantage low with cost of use.Suitable for the manufacturing method application as supplying cell.
Description
Technical field
The present invention relates to the battery of electrochemical field, specifically a kind of manufacturing method of metal-modified accumulator.
Background technology
The fast development of auto industry, has pushed the economic development and civilization and progress of society significantly, but also exacerbates simultaneously
The deterioration of atmospheric environment.The pernicious gas for breaking ring environment according to statistics has 30% or more to be derived from conventional fuel oil vehicular traffic tail gas
Discharge, therefore develop new-energy automobile and control the discharge of vehicle exhaust carbon dioxide, become countries in the world environmental protection work
Emphasis.
At present countries in the world all pure electric automobile be placed on development new-energy automobile first place, the Chinese government from 2009 with
Sequentially to have promulgated the policy of several Development of EV, encouragement Development of EV power battery and ev industry.But
Practice through last decade, because of battery performance reason, that the development of electric vehicle is unsatisfactory, and there are course continuation mileages is short, charging pile is general
And the deficiencies of difference and long charging time.Thus, the power battery that research and development can meet electric vehicle application becomes the task of top priority.
The development history of battery is exactly the history of discovery and the application of a variety of materials.So far, it is made of a variety of materials
Battery have it is as many as hundreds of, but be widely used be 1859 be born lead-acid battery and the lithium-ion electric to emerge in 1991
Pond, the two occupy the share of 70% or more global Battery Market at present.
Lead-acid battery is the battery made based on metallic lead, graphite, sulfuric acid solution etc., since birth, with its safety
Property the advantages such as good, reliability is high and at low cost, still occupy the share of 60% or more global Battery Market so far, but exist hold it is graceful it is low,
The shortcomings of volume is heavy and seriously polluted.
It is the high-energy battery made that lithium ion battery, which is with elements such as lithium, cobalt, carbon, has specific energy high(>
120wh/kg)It has extended cycle life(> 1000 times), the good agent of environmental protection characteristic the features such as being widely used.The application of the battery pushes
The fast development of the multi-field technology such as internet, electronics, household electrical appliances, robot, unmanned plane and industry is universally acknowledged high-end electricity
The share of global Battery Market 10 ~ 15% is occupied in pond at present.There are of high cost, temperature characterisitic are poor and have security risk etc. for the battery
It is insufficient.
Invention content
In order to manufacture metal-modified accumulator, the present invention proposes a kind of manufacturing method of metal-modified accumulator.The party
Method is by metal-modified manufacture accumulator, the technical issues of solving metal-modified accumulator manufacturing method.
Scheme is used by the present invention solves technical problem:
The construction of modified battery:
It is equipped with cathode in negative electrode active material mixture in battery, anode, outside batteries packet are equipped in positive electrode active materials mixture
It is wrapped with shell.
By step:
It is prepared by the cuprous oxide fine-particle powder of nanosizing:
It,, will by culture in 3~6 months with Low Temperature Wet chemical method under cold oxidizing condition by common copper foil material
The cuprous aqueous solution of liquid oxidatively is made in In Crystal Solid Copper metal, after the pH value of solution is adjusted to neutrality, using chemical deposition, carries
Take the cuprous oxide fine-particle powder of the nanosizing in solution, the basic material as synthetic active substance.
The modification of positive and negative anodes high molecular material:
PMMA, MS, PS, PTFE high molecular material are modified synthesis by chemical blending method, obtain the positive and negative electrode material of battery
Material.
The preparation of active material mixture:
The high molecular material of cuprous nano particle and chemical modification made above is pressed 5:1 ratio synthesis, forms
The high-densit electrode activity mixture used is sprayed for battery plus-negative plate plate.
The manufacture of battery product:
1) pole plate production line is made of positive and negative two lines, and two lines are mounted in parallel, synchronous operation.
2) positive plate is aluminium foil coiled strip, and negative plate is copper foil coiled strip, is individually positioned on respective production line.
3) power supply is opened, driving motor drives coiled strip rotation, pole plate to start to be driven.
4) pole plate is heated during transmission, and pickling is impregnated with, and sprays, chemical reaction, and metering shearing is molded, dress
Shell activates, and tests, encapsulation, and inspection and flow package complete battery manufacture operation and management.
Good effect, the present invention manufacture accumulator using metal-modified technology, have and save the energy, charging rate is fast, energy
Efficiency of storage height is measured, usage time grows the advantage low with cost of use.Suitable for the manufacturing method application as supplying cell.
Description of the drawings
Fig. 1 is conventional batteries structural map;
Fig. 2 is battery structure figure of the present invention.
In figure, 1. cathode, 1.1. negative electrode active material mixture, 2. anodes, 2.1. positive electrode active materials mixture, 3. diaphragms,
4. negative electrode active material, 5. positive electrode active materials, 6. electrolyte, 7. shells.
Specific implementation mode
The constructions of conventional batteries in positive electrode active materials 5 in battery as shown in Figure 1, be equipped with anode 2, negative electrode active material
It is equipped with cathode 1 in 4, diaphragm 3 is equipped between the two poles of the earth, diaphragm both sides are equipped with electrolyte 6, and outside batteries are surrounded by shell 7.
Each component part is described as follows:
(1) positive and negative electrode, positive and negative electrode are the conductor of electronics and the carrier (collector) of active material, are to generate the energy content of battery
Source.The active material of positive electrode is effective oxidant, and (discharge) obtains electronics at work, and electrochemistry occurs also in itself
Original reaction.The active material of negative electrode is effective reducing agent, and when work loses electronics, and the oxidation for itself electrochemistry occurring is anti-
It answers.Electrochemical oxidation-the reduction reaction opposite with when battery discharge occurs for positive and negative electrode when battery charges.
(2) electrolyte, electrolyte are ion conductors, main to complete inside battery mass transfer task, but do not have electronic conduction
Function.The electrolyte of high capacity cell is substantially liquid(Electrolyte).
(3) active material, active material mainly play a part of to increase the surface area of electrode reaction and improve battery performance.
(4) diaphragm, diaphragm are the insulators between positive and negative electrode, serve and block electronic conduction.
The construction of modified battery:
Shown in Fig. 2, it is equipped with cathode 1 in the negative electrode active material mixture 1.1 in battery, is set in positive electrode active materials mixture 2.1
There is anode 2, outside batteries are enclosed with shell 7.
By step:
It is prepared by the cuprous oxide fine-particle powder of nanosizing:
It,, will by culture in 3~6 months with Low Temperature Wet chemical method under cold oxidizing condition by common copper foil material
The cuprous aqueous solution of liquid oxidatively is made in In Crystal Solid Copper metal, after the pH value of solution is adjusted to neutrality, using chemical deposition, carries
Take the cuprous oxide fine-particle powder of the nanosizing in solution, the basic material as synthetic active substance.
The modification of positive and negative anodes high molecular material:
PMMA, MS, PS, PTFE high molecular material are modified synthesis by chemical blending method, obtain the positive and negative electrode material of battery
Material.
The preparation of active material mixture:
The high molecular material of cuprous nano particle and chemical modification made above is pressed 5:1 ratio synthesis, forms
The high-densit electrode activity mixture used is sprayed for battery plus-negative plate plate.
The manufacture of battery product:
1) pole plate production line is made of positive and negative two lines, and two lines are mounted in parallel, synchronous operation.
2) positive plate is aluminium foil coiled strip, and negative plate is copper foil coiled strip, is individually positioned on respective production line.
3) power supply is opened, driving motor drives coiled strip rotation, pole plate to start to be driven.
4) pole plate is heated during transmission, and pickling is impregnated with, and sprays, chemical reaction, and metering shearing is molded, dress
Shell activates, and tests, encapsulation, and inspection and flow package complete battery manufacture operation and management.
Technical principle:
The positive electrode of battery is aluminium foil, and negative material is copper foil, is the electric conductor of battery and the carrier of active material.
Inside battery does not have individual electrolyte and diaphragm, but by active material mixture instead of electrolyte and diaphragm.
Active material mixture is powdered solid substance, and since inside battery does not have electrolyte to participate in electrochemical reaction, battery is working
In there is no hydrogen and other gases to generate, safety and environmental protection.
Active material and function are as follows:
(1) the nanopowders particle good crystallinity prepared is modified by copper metal, in the surface area increase that the effect of pole plate atom can be made
Wan Bei makes the energy density of pole plate unit area>500wh/ ㎡ or more compare energy>800wh/kg;
(2) active material mixture has peculiar semiconductor and quantum size effect, when electrode applies external electric field, can swash moment
Electron hole in activity substance mixture, orderly distribution again, forms positive and negative in the space of electrode material lattice and in shape
Interelectrode high potential difference, is finished using electricity or the battery of not enough power supply refills energy, realizes quick activating charge;
(3) active material mixture has P-type semiconductor characteristic, can have conducting to electronics under different current field conditions and block and make
With.In active state, in infinity, the insulation diaphragm formed between positive and negative pole plate (is known as " certainly the resistance between positive and negative electrode
Enclosed diaphragm "), thus the diaphragm material for occupying 1/3 cost of conventional batteries is saved, and greatly reduce the volume and again of battery
Amount.
(4) this self-closing diaphragm formed has the characteristic of special electron hole exchange membrane, may make active mixture
By exchange membrane, constantly accumulation generates electric energy, thus this battery on the electrode for the electron hole of middle charged particle warm-up movement separation
With very strong energy automatic recovery ability.The characteristic constitutes self-loopa hair, power supply system, becomes a kind of novel secondary energy
Source.The increase of electric vehicle can be made to reach thousands of miles or more from journey using the principle.
The innovation of battery manufacturing process:
The manufacture of Conventional mass monomer (group) battery is all to use batch production mode, and the production cycle is long, takes up a large area.
If the production cycle of the production cycle > 20 days of lead-acid battery, high-capacity lithium-ion single battery are 10-15 days.
The manufacture of metal-modified battery is to use automatic assembly line continuous production mode, manufactures the list of number Kwh vast capacities
The time of body (group) battery<5h, production efficiency are far above lead-acid battery or other batteries.
Performance indicator:
1) compare energy:> 800wh/kg;
2) monomer voltage:4v;
3) cycle-index:>4,000 times;
4) it charges (activation) time:< 20s;
5) temperature range:-70 ℃~85℃;
6) safety and environmental protection characteristic:It is fabulous;
7) there is energy content of battery self-recovering function.
It (see the table below) compared with other types battery:
Technique effect
To sum up, metal-modified battery has many advantages, such as that other type cells are incomparable, be electric vehicle, robot, nobody
The ideal power battery such as machine.It is as follows in the technique effect of the application note present invention of electric vehicle to be modified battery:
The electric vehicle that applied metal is modified battery manufacture has following performance:
1) charging time<Anywhere 20s can use common 220V power source charges, convenient and efficient, and consume smaller defeated
Enter electric energy:
2) modified battery charging arrangements are input pulse voltage system, are convenient for wireless charging, charging unit can be made greatly simplified:
3) in the case where complying with standard regulation battery weight, continual mileage is up to 2,000~3,000Km, in continuation of the journey 1000Km
When, battery weight only 180kg (battery capacities:140kwh);
4) circulating battery number > 4,000 time;
5) battery operating temperature is ranging from:-7O℃~85℃;
6) battery safety and environmental protection characteristic are fabulous;
7) car fare is no more than the fuel-engined vehicle price of equal performance, easy to popularize.
It (see the table below) compared with other types electric vehicle:
To 2014, the car ownership in China exceeded 1.5 hundred million amounts, and the automobile volume of production and marketing in China in 2015 is 24,000,000,
2016 are 28,020,000, and 2017 are 29,000,000 (statistics to 2017.12), it is contemplated that China's car ownership will to 2020
Up to 2.5 hundred million.Electric vehicle such as is produced with the 20% of domestic automobile yield, electric vehicle annual output is about 5,000,000, by each
It configures 140kwh capacity batteries and calculates and (continue dirty>1000km), battery will be needed>800000000 kw.By (lithium ion battery based on 3 yuan of every wh prices
3 yuan/wh of price >), there will be the battery selling markets of 2 trillion yuans/more than year in the field.The high sexual valence of metal-modified battery
When applicability can have the larger market competitiveness in the field.Application of the metal-modified battery in the field can break through mesh
The preceding slow bottleneck of Development of Electric Vehicles, will make the electric vehicle of real meaning come true.
The battery the leading-edge fields such as Aeronautics and Astronautics, robot, unmanned plane, national defence, scientific research and mobile phone, laptop,
, will all there be huge market in the equal fields of all kinds of families.
The cultural method of metal-modified active material:
Core of the invention technology is the manufacturing process of the culture of active material, synthesis and battery pole plates.
Technological process prepared by active material:
Metal blank → surface treatment → copper material is put into ware disk addition pure water → being cultivated through 3-6 months →, and it is water-soluble that cuprous oxide is made
The neutral extraction nanometer powder → drying is sieved → of liquid → be tuned into is dried in the shade spare.
Feature:
Conventional batteries pole plate is manufactured about 10-15 days, and this technology battery pole plates are manufactured < 30min, until battery system
Completion storage is made, time < 5h, production efficiency is the decades of times of conventional batteries manufacturing process or more.
The accumulator of modification technology manufacture of the present invention has the advantages that higher than energy, charging rate is fast and at low cost, can dash forward
The current insufficient bottleneck of electric automobile power battery performance is broken, the electric vehicle of real meaning is manufactured.
Present disclosure is to have manufactured a kind of electric power storage of broad spectrum activity, high performance-price ratio using special material modification technology
Pond.This battery manufactured with the technology of the present invention, with higher than energy, charging rate is fast, temperature range is wide, of low cost and system
Make feature simple for process.Since the present invention is based on metal material modification technology, this battery is referred to as " metal-modified electricity
Pond ".
Metal-modified battery is with copper, two kinds of aluminium for logical metal and some high molecular materials, by special material modification
Technology is manufactured into the active material that performance is better than lithium ion battery, the cell active materials reversible capacity prepared by the technology>
800mAh g-1 are 6 times of lithium ion battery or more, and cost is far below lithium ion battery, realize the weight of battery material application
Quantum jump.
Claims (1)
1. a kind of manufacturing method of metal-modified accumulator, it is characterized in that:
The construction of modified battery:
Negative electrode active material mixture in battery(1.1)In be equipped with cathode(1), positive electrode active materials mixture(2.1)In be equipped with just
Pole(2), outside batteries are enclosed with shell(7);
By step:
It is prepared by the cuprous oxide fine-particle powder of nanosizing:
It,, will by culture in 3~6 months with Low Temperature Wet chemical method under cold oxidizing condition by common copper foil material
The cuprous aqueous solution of liquid oxidatively is made in In Crystal Solid Copper metal, after the pH value of solution is adjusted to neutrality, using chemical deposition, carries
Take the cuprous oxide fine-particle powder of the nanosizing in solution, the basic material as synthetic active substance;
The modification of positive and negative anodes high molecular material:
PMMA, MS, PS, PTFE high molecular material are modified synthesis by chemical blending method, obtain the positive and negative electrode material of battery
Material;
The preparation of active material mixture:
The high molecular material of cuprous nano particle and chemical modification made above is pressed 5:1 ratio synthesis, forms
The high-densit electrode activity mixture used is sprayed for battery plus-negative plate plate;
The manufacture of battery product:
1) pole plate production line is made of positive and negative two lines, and two lines are mounted in parallel, synchronous operation;
2) positive plate is aluminium foil coiled strip, and negative plate is copper foil coiled strip, is individually positioned on respective production line;
3) power supply is opened, driving motor drives coiled strip rotation, pole plate to start to be driven;
4) pole plate is heated during transmission, and pickling is impregnated with, and sprays, chemical reaction, and metering shearing, molding fills shell, swashs
It is living, it tests, encapsulation, inspection and flow package complete battery manufacture operation and management.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810369467.1A CN108565504A (en) | 2018-04-24 | 2018-04-24 | A kind of manufacturing method of metal-modified accumulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810369467.1A CN108565504A (en) | 2018-04-24 | 2018-04-24 | A kind of manufacturing method of metal-modified accumulator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108565504A true CN108565504A (en) | 2018-09-21 |
Family
ID=63536222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810369467.1A Pending CN108565504A (en) | 2018-04-24 | 2018-04-24 | A kind of manufacturing method of metal-modified accumulator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108565504A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101179137A (en) * | 2006-12-19 | 2008-05-14 | 松下电器产业株式会社 | Alkaline storage battery |
CN103219565A (en) * | 2013-03-20 | 2013-07-24 | 北京理工大学 | Inverse photoelectrochemical cell |
CN104934611A (en) * | 2015-06-24 | 2015-09-23 | 陈尚发 | Copper-alkaline storage battery |
-
2018
- 2018-04-24 CN CN201810369467.1A patent/CN108565504A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101179137A (en) * | 2006-12-19 | 2008-05-14 | 松下电器产业株式会社 | Alkaline storage battery |
CN103219565A (en) * | 2013-03-20 | 2013-07-24 | 北京理工大学 | Inverse photoelectrochemical cell |
CN104934611A (en) * | 2015-06-24 | 2015-09-23 | 陈尚发 | Copper-alkaline storage battery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2014336895B2 (en) | Tungsten-based material super battery and supercapacitor | |
CN108539171B (en) | Preparation method of zinc sulfide and graphene oxide compound and application of compound in positive electrode material of lithium-sulfur battery | |
CN102723539B (en) | Lithium-oxygen battery capable of improving battery energy density and method for manufacturing lithium-oxygen battery | |
CN109950538A (en) | A kind of vanadium base anode material of Zinc ion battery | |
CN102104140A (en) | Power battery electrode and manufacturing method thereof | |
CN103219551A (en) | Water-system alkali metal ion power storage device | |
CN103247823B (en) | All-solid lithium-ion battery and preparation method thereof | |
CN105355877A (en) | Graphene-metal oxide composite negative electrode material and preparation method therefor | |
CN101807688A (en) | Niobium-doped lithium titanate anode material for lithium ion battery and method for preparing same | |
CN107240678A (en) | A kind of preparation method of lithium ion battery metal sulfide negative material | |
CN105591099A (en) | Lithium molybdate surface modified lithium ion battery nickel-rich positive pole material and preparation method thereof | |
CN108400320B (en) | Method for vulcanizing surface of spinel lithium nickel manganese oxide positive electrode material | |
CN101409344A (en) | Lithium ion battery cathode material and preparation method thereof | |
CN107452950A (en) | The anode material for lithium-ion batteries and method of a kind of stable circulation | |
CN111082028A (en) | High-capacity negative electrode material, preparation method and lithium ion battery | |
CN109004233B (en) | Preparation method and application of layered double hydroxide-loaded lithium metal negative electrode composite copper foil current collector | |
CN114678512A (en) | Negative electrode material, preparation method thereof and battery | |
CN1331257C (en) | Positive lead cream of valve-controlled sealed plumbous acid accumulator for starting vehicle and production thereof | |
CN102368556A (en) | Preparation method of wide potential window negative electrode material of lithium ion battery | |
CN107256959A (en) | The preparation method of rich oxidate for lithium solid-solution material | |
CN111129480A (en) | MoO for sodium ion battery2Preparation method of/N-C composite electrode material | |
CN111816853B (en) | CuS-Cu7.2S4Nanocomposite, lithium battery and preparation method | |
CN104157836A (en) | Cu<2+>, Co<2+>, Zr<4+> and Ag+ doped ferric fluoride composite anode material and preparation method | |
CN108565504A (en) | A kind of manufacturing method of metal-modified accumulator | |
CN108711616B (en) | Multi-site directionally doped in-situ carbon-coated lithium-rich oxide solid solution material and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |
|
RJ01 | Rejection of invention patent application after publication |