CN110306052A - A kind of metal lithium simple substance and the preparation method and application thereof - Google Patents
A kind of metal lithium simple substance and the preparation method and application thereof Download PDFInfo
- Publication number
- CN110306052A CN110306052A CN201910552630.2A CN201910552630A CN110306052A CN 110306052 A CN110306052 A CN 110306052A CN 201910552630 A CN201910552630 A CN 201910552630A CN 110306052 A CN110306052 A CN 110306052A
- Authority
- CN
- China
- Prior art keywords
- lithium
- simple substance
- metal
- preparation
- chloride
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/40—Mixtures
- C22B3/409—Mixtures at least one compound being an organo-metallic compound
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/381—Alkaline or alkaline earth metals elements
- H01M4/382—Lithium
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Secondary Cells (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The present invention provides a kind of metal lithium simple substance and the preparation method and application thereof, preparation method includes: that lithium salts solid 1) is extracted from lithium ore leachate or purified salt lake bittern；Lithium salts solid includes double trifluoromethanesulfonimide lithiums and/or lithium perchlorate and/or lithium chloride and/or lithium carbonate and/or lithium sulfate；2) the resulting lithium carbonate of step 1) and/or lithium sulfate made the transition through chlorination, obtain lithium chloride after concentration and drying；3) lithium chloride obtained by double trifluoromethanesulfonimides lithium, lithium perchlorate or lithium chloride or step 2) obtained by step 1) is subjected to fusion electrolysis, obtains metal lithium simple substance.Lithium anode provided by the invention can inhibit electrolyte decomposition and lithium dendrite growth, improve cyclical stability and the safety of battery.Lithium metal battery is 1mA/cm in current density2Lower carry out charge and discharge can stablize circulation 300 times or more, and specific capacity is stablized in 110mAh/g or more, and average coulombic efficiency is up to 99% or more.
Description
Technical field
The present invention relates to Physical Chemistry of Metallurgy field, in particular to a kind of metal lithium simple substance and the preparation method and application thereof.
Background technique
With the miniaturization of traditional electric appliance, the development trend of ultrathin, demand day of the society to high energy density cells is increasingly
It is acute.The use of the theoretical specific capacity of most common graphite cathode is only at present 372mAh/g, largely limits the energy content of battery
The promotion of density.Lithium metal makees density and the minimum metallic element of electrochemical potential (- 3.04V vs. standard hydrogen electrode), reason
3860mAh/g is up to by capacity.Therefore use lithium metal that the energy density of battery can be greatly improved as the lithium secondary battery of cathode,
It is considered to be the optimal negative electrode material of future new era battery.
However, lithium anode is unable to satisfy the requirement of battery security and service life at present, and main reason is that: gold
Belong to non-uniform deposition/disengaging in lithium battery operational process, is easy to produce Li dendrite, and then pierce through diaphragm, causes security risk.
In addition, elemental lithium activity is higher, side reaction, the SEI film (solid electrolyte interface film) of metallic lithium surface easily occurs with electrolyte
Rupture and regeneration in cycles are lost electrolyte and cause " dead lithium ", reduce the energy and service life of battery.In order to overcome
Above-mentioned metal the problem of, researcher proposes a variety of solutions, it is most common be exactly realize lithium metal uniform deposition and
Stable SEI membrane structure.Liu Shan etc. (Joule, 2018,2 (1), 184-193) etc. is by a kind of graphene of fold spitball shape
Deposition vehicle of the collector as lithium metal, biggish specific surface area reduce the current density of cathode, inhibit Li dendrite
Growth.Meanwhile graphene buffering effect and inner space can alleviate the volume expansion of lithium metal, realize the uniform of high load lithium
Deposition.Lu Yingying etc. (Angew Chem Int Ed Engl2014,53 (2), 488-492) is by functionalized nano dioxy
SiClx prevents charge concentration, realizes lithium metal as electrolysis additive, fixed TFSI anion, stable space distribution of charges
Uniform deposition avoids dendritic growth.
Above-mentioned thinking provides a variety of external means that are based on and inhibits Li dendrite scheme, but has also caused other problems simultaneously,
Three-dimensional collector needs to dismantle-re-assembly after lithium deposition battery, and process is complicated, and high specific surface area will increase the work of lithium
Property, implementation condition is very harsh, and extra 3D skeleton reduces the energy density of battery；And electrolyte additive will increase electricity
The viscosity for solving matter, reduces the transmittability of lithium ion, is unfavorable for the high current work of battery.
In addition, the process that traditional lithium metal preparation process extracts lithium metal from water phase containing lithium is complicated, it is necessary to by extraction
Multiple complex steps such as take, be stripped, crystallizing transition, electrolysis, though and electrolytic preparation lithium metal purity it is higher, directly as gold
Belonging to lithium, there are the problems of above-mentioned lithium anodes.
Summary of the invention
The present invention provides a kind of metal lithium simple substances and the preparation method and application thereof, and its purpose is to inhibit lithium-ion electric
The decomposition of electrolyte and lithium dendrite growth in pond improve cyclical stability and safety.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of metal lithium simple substance, which comprises the steps of:
1) lithium salts solid is extracted from lithium ore leachate or purified salt lake bittern；
Wherein, the lithium salts solid include double trifluoromethanesulfonimide lithiums and/or lithium perchlorate and/or lithium chloride and/
Or lithium carbonate and/or lithium sulfate；
2) the resulting lithium carbonate of step 1) and/or lithium sulfate made the transition through chlorination, obtain lithium chloride after concentration and drying；
3) by lithium chloride obtained by double trifluoromethanesulfonimides lithium, lithium perchlorate or lithium chloride or step 2) obtained by step 1)
Fusion electrolysis is carried out, metal lithium simple substance is obtained.
Preferably, the concentration ratio of step 1) the lithium ore leachate or purified Lithium from Salt Lake Brine and magnesium, and
The concentration of lithium and boron ratio is all larger than 1.
Preferably, step 1) the lithium salts solid purity is greater than 99.5%.
Preferably, step 1) the lithium salts solid is prepared by following methods:
Counter-current extraction is carried out to lithium ore leachate after purification or purified salt lake bittern with extractant, then is divided
Liquid obtains lithium-containing solution；
Lithium-containing solution is heated to solvent all to evaporate, obtains lithium salts solid after dry.
Preferably, step 1) the lithium salts solid can be also prepared by following methods:
Sodium carbonate is added into lithium ore leachate or purified salt lake bittern, obtains lithium-containing solution after stirring；
Above-mentioned lithium-containing solution is stood, is filtered, washed and dried, and lithium salts solid is obtained.
Preferably, the step 3) fusion electrolysis specifically: by double trifluoromethanesulfonimide lithiums, lithium perchlorate or chlorination
Lithium is melted and is electrolysed as electrolyte.
It is highly preferred that the electrolysis temperature is 200-500 DEG C, electrolysis time 0.5-10h, electrolytic current density 5-
100mA/cm2, electric tank cathode current potential is below -3.04V.
The present invention also provides a kind of metal lithium simple substance, the metal lithium simple substance is prepared by the above method.
The present invention also provides a kind of lithium anode, lithium anode lithium metal list directly prepared by the above method
Matter or above-mentioned metal lithium simple substance are prepared.
The present invention also provides a kind of lithium batteries, include above-mentioned lithium anode.
Conventional method is all to be converted into LiCl after mentioning lithium, is then electrolysed LiCl, and the chlorine that electrolytic process Anodic generates needs
Exclusion is handled, then the controllable chlorine using anode reacts generation lithium chloride protective layer with lithium metal to the present invention.On the other hand
LiCl fusing point is higher, and molten-salt electrolysis could be used for by needing to be added other substances (such as potassium chloride) to reduce fusing point.And in the present invention
The obtained general fusing point of part lithium salts is very low, and this kind of lithium salts can be with Direct Electrolysis.So the lithium salts that the present invention extracts only needs part
Make the transition into LiCl.
Above scheme of the invention have it is following the utility model has the advantages that
(1) present invention extracts lithium directly as cathode of lithium from lithium resource, and comprehensive utilization and the material for realizing resource are short
Process preparation, shortens preparation flow, which, which needs not move through twice-modified processing, can be directly used for lithium secondary battery
In, technical advantage is obvious；
(2) chlorine that anode generates when present invention comprehensive utilization electrolytic chlorination lithium is connect by chlorine and the controllable of lithium metal
Touching coats lithium chloride protective film, made lithium metal excellent in stability in metallic lithium surface.
(3) decomposed in electrolytic process of the anion containing elements such as N, S, F, Cl in lithium salts, decomposition product is in metal
Lithium surface spontaneously forms stable protective film,
(4) lithium anode for possessing said protection film can reduce the side reaction of itself and electrolyte, inhibit electrolyte decomposition
And lithium dendrite growth, improve the structural stability of lithium anode；The protective film lithium ion diffusion energy of the type is high simultaneously, can drop
The concentration gradient of low lithium ion avoids charge concentration effect, is conducive to the uniform deposition of lithium ion, and the circulation for improving battery is steady
Qualitative and safety.
(5) in embodiment lithium metal battery current density be 1mA/cm2Lower carry out charge and discharge, can stablize circulation 300 times
More than, specific capacity is stablized in 110mAh/g or more, and average coulombic efficiency is up to 99% or more.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
The preparation method of metal lithium simple substance provided by the invention includes the following steps:
1) lithium salts solid is extracted from lithium ore leachate or purified salt lake bittern；
Wherein, the lithium salts solid include double trifluoromethanesulfonimide lithiums and/or lithium perchlorate and/or lithium chloride and/
Or lithium carbonate and/or lithium sulfate；The concentration ratio and lithium and boron of lithium ore leachate or purified Lithium from Salt Lake Brine and magnesium
Concentration ratio be all larger than 1, lithium salts solid purity is greater than 99.5%.
2) chlorination is transformed into after the resulting lithium carbonate of step 1) and/or lithium sulfate being dissolved in concentrated in hydrochloric acid and drying
Lithium；
3) by lithium chloride obtained by double trifluoromethanesulfonimides lithium, lithium perchlorate or lithium chloride or step 2) obtained by step 1)
Melting investment electrolytic cell simultaneously carries out fusion electrolysis as electrolyte, obtains metal lithium simple substance.
Embodiment 1
Configuring 500mL concentration is double trifluoromethanesulfonimides (HTFSI) solution of 3mol/L as extractant, and solvent is
Ethylene carbonate (EC), and 7 stage countercurrent extractions are carried out to the western salt lake bittern in the sea 500ml, liquid separation obtains the organic solution containing lithium, so
After evaporate solvent, obtain organic lithium salt (LiTFSI) solid after dry.Organic lithium salt solid is put into electrolytic cell, temperature is constant to be
300 DEG C, Constant Direct Current electric current 100mA/cm2Under carry out electrolysis 0.5h, collect cathode lithium, cooling obtains lithium simple substance, by what is obtained
Lithium simple substance ingot casting is cut into the lithium piece that diameter is 14mm.Obtained elemental lithium is assembled into 2032 type Symmetrical cells, it is fixed each
The cycle charge-discharge time is 1h, current density 1mA/cm2Charge-discharge test is carried out, polarization potential is low, can stablize circulation 320
Hour.
Embodiment 2
(perchloric acid (the HClO that configuration 500mL concentration is 6mol/L4) for solution as extractant, solvent is glycol dinitrate
Ether (DME), and 5 stage countercurrent extractions are carried out to the western salt lake bittern in sea after 500ml purification, solvent is evaporated after liquid separation obtains lithium perchlorate
Solid.Lithium perchlorate solid is added in electrolytic cell, is heated to 300 DEG C until solid all melts.In Constant Direct Current electric current
50mA/cm2Under carry out electrolysis 1h.Cathode lithium is collected, cooling obtains lithium simple substance, and the lithium simple substance ingot casting that will be obtained is cut into diameter
For the lithium piece of 14mm.It is assembled into full battery with LiFePO4, constant current charge-discharge test is carried out with 2C multiplying power, is recycled 300 times, capacity
Stablize in 120mAh/g or more, average coulombic efficiency is up to 99.8%.
Embodiment 3
The western salt lake bittern in sea after taking 500ml to purify, 20g sodium carbonate solid stir 0.5h, are filtered, washed, do after standing
It is dry, obtain lithium carbonate.Lithium carbonate is substantially dissolved in the hydrochloric acid solution of 1mol/L, lithium chloride solid is obtained after concentrate drying.
By the lithium chloride and potassium chloride 55:45 in mass ratio addition electrolytic cell after drying.Constant electrolyzer temperature is 400 DEG C, constant straight
Galvanic electricity stream 5mA/cm2, be electrolysed under 10h cathode potential -3.5V and be electrolysed, collect cathode lithium, it is cooling to obtain lithium simple substance, ingot casting at
Diameter is the lithium piece of 14mm, is assembled into 2032 type Symmetrical cells, is 2mA/cm with current density2Charge-discharge test is carried out, it is fixed
Each cycle charge-discharge time is 1h, can stablize circulation 200 hours.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of metal lithium simple substance, which comprises the steps of:
1) lithium salts solid is extracted from lithium ore leachate or purified salt lake bittern；
Wherein, the lithium salts solid includes double trifluoromethanesulfonimide lithiums and/or lithium perchlorate and/or lithium chloride and/or carbon
Sour lithium and/or lithium sulfate；
2) the resulting lithium carbonate of step 1) and/or lithium sulfate made the transition through chlorination, obtain lithium chloride after concentration and drying；
3) lithium chloride obtained by double trifluoromethanesulfonimides lithium, lithium perchlorate or lithium chloride or step 2) obtained by step 1) is carried out
Fusion electrolysis obtains metal lithium simple substance.
2. the preparation method of metal lithium simple substance as described in claim 1, which is characterized in that step 1) the lithium ore leachate or
The concentration ratio of the concentration of purified Lithium from Salt Lake Brine and magnesium ratio and lithium and boron is all larger than 1.
3. the preparation method of metal lithium simple substance as described in claim 1, which is characterized in that step 1) the lithium salts solid purity is big
In 99.5%.
4. the preparation method of metal lithium simple substance as described in claim 1, which is characterized in that step 1) the lithium salts solid is by following
Method is prepared:
Counter-current extraction is carried out to lithium ore leachate after purification or purified salt lake bittern with extractant, then carries out liquid separation, is obtained
To lithium-containing solution；
Lithium-containing solution is heated to solvent all to evaporate, obtains lithium salts solid after dry.
5. the preparation method of metal lithium simple substance as described in claim 1, which is characterized in that step 1) the lithium salts solid can also be by
Following methods are prepared:
Sodium carbonate is added into lithium ore leachate or purified salt lake bittern, obtains lithium-containing solution after stirring；
Above-mentioned lithium-containing solution is stood, is filtered, washed and dried, and lithium salts solid is obtained.
6. the preparation method of metal lithium simple substance as described in claim 1, which is characterized in that the step 3) fusion electrolysis is specific
Are as follows: double trifluoromethanesulfonimide lithiums, lithium perchlorate or lithium chloride are melted and are electrolysed as electrolyte.
7. the preparation method of metal lithium simple substance as claimed in claim 6, which is characterized in that the electrolysis temperature is 200-500 DEG C,
Electrolysis time is 0.5-10h, electrolytic current density 5-100mA/cm2, electric tank cathode current potential is below -3.04V.
8. a kind of metal lithium simple substance, which is characterized in that the metal lithium simple substance is prepared as described in claim 1~7 any one
Method is prepared.
9. a kind of lithium anode, which is characterized in that the lithium anode is directly as described in claim 1~7 any one
Metal lithium simple substance made from preparation method or metal lithium simple substance according to any one of claims 8 are prepared.
10. a kind of lithium battery, which is characterized in that include lithium anode described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552630.2A CN110306052B (en) | 2019-06-25 | 2019-06-25 | Metallic lithium elementary substance and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552630.2A CN110306052B (en) | 2019-06-25 | 2019-06-25 | Metallic lithium elementary substance and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110306052A true CN110306052A (en) | 2019-10-08 |
| CN110306052B CN110306052B (en) | 2020-09-15 |
Family
ID=68077715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552630.2A Active CN110306052B (en) | 2019-06-25 | 2019-06-25 | Metallic lithium elementary substance and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306052B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813288A (en) * | 2020-12-29 | 2021-05-18 | 东方电气集团科学技术研究院有限公司 | Method for preparing high-purity beryllium from industrial beryllium |
| CN116837419A (en) * | 2023-08-28 | 2023-10-03 | 上海阿波罗机械股份有限公司 | Method for extracting lithium from salt lake |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724055A (en) * | 1985-12-13 | 1988-02-09 | Rhone-Poulenc Specialites Chimiques | Continuous production of lithium metal by electrolysis of lithium chloride |
| CN101573296A (en) * | 2006-11-02 | 2009-11-04 | 株式会社三德 | Process for producing metallic lithium |
| CN101760759A (en) * | 2010-02-11 | 2010-06-30 | 中国科学院青海盐湖研究所 | Method for preparing metal lithium by electrolyzing molten salt |
| CN102409174A (en) * | 2010-09-23 | 2012-04-11 | 株式会社半导体能源研究所 | Method for recovering metallic lithium |
| CN103031568A (en) * | 2011-10-08 | 2013-04-10 | 中国科学院青岛生物能源与过程研究所 | Preparation method of lithium metal through electrolysis |
-
2019
- 2019-06-25 CN CN201910552630.2A patent/CN110306052B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724055A (en) * | 1985-12-13 | 1988-02-09 | Rhone-Poulenc Specialites Chimiques | Continuous production of lithium metal by electrolysis of lithium chloride |
| CN101573296A (en) * | 2006-11-02 | 2009-11-04 | 株式会社三德 | Process for producing metallic lithium |
| CN101760759A (en) * | 2010-02-11 | 2010-06-30 | 中国科学院青海盐湖研究所 | Method for preparing metal lithium by electrolyzing molten salt |
| CN102409174A (en) * | 2010-09-23 | 2012-04-11 | 株式会社半导体能源研究所 | Method for recovering metallic lithium |
| CN103031568A (en) * | 2011-10-08 | 2013-04-10 | 中国科学院青岛生物能源与过程研究所 | Preparation method of lithium metal through electrolysis |
Non-Patent Citations (1)
| Title |
|---|
| 饶中浩 等: "《储能技术概论》", 31 January 2017, 中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813288A (en) * | 2020-12-29 | 2021-05-18 | 东方电气集团科学技术研究院有限公司 | Method for preparing high-purity beryllium from industrial beryllium |
| CN116837419A (en) * | 2023-08-28 | 2023-10-03 | 上海阿波罗机械股份有限公司 | Method for extracting lithium from salt lake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110306052B (en) | 2020-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhao et al. | Review on the electrochemical extraction of lithium from seawater/brine | |
| CN109778218B (en) | Device and method for co-production of hydrogen production and lithium extraction by electrochemistry | |
| CN107226475B (en) | Potassium ion battery positive electrode material, preparation method thereof and potassium ion battery | |
| CN106823816B (en) | Electrochemical recovery method of lithium in anode material of waste lithium battery | |
| CN109267086B (en) | Device and method for separating magnesium/lithium and enriching lithium in salt lake brine | |
| CN104037468B (en) | A kind of method reclaiming manganese and copper resource from waste and old lithium ion battery | |
| Fan et al. | Lithium metal recycling from spent lithium-ion batteries by cathode overcharging process | |
| CN111900333B (en) | Lithium-free dendritic crystal anode with carbon nanotube film directly compounded with molten lithium metal and preparation method thereof | |
| CN103422123A (en) | Method for electro-deposition of magnesium nickel alloy in ionic liquid | |
| CN111455404B (en) | Method for recovering lead from waste lead paste by solid-phase electrolysis method | |
| CN110564965B (en) | Metal lithium alloy and preparation method and application thereof | |
| CN110306052A (en) | A kind of metal lithium simple substance and the preparation method and application thereof | |
| CN110205491B (en) | Metallic lithium elementary substance and preparation method and application thereof | |
| CN106654200B (en) | Electrode material, preparation method and application thereof | |
| CN110085864A (en) | The preparation method and application of potassium or based lithium-ion battery positive plate | |
| CN110311107B (en) | Metal lithium alloy and preparation method and application thereof | |
| CN111705337B (en) | Method for preparing lead-calcium master alloy by molten salt galvanic cell method | |
| CN108183205A (en) | A kind of sodium-ion battery flexible self-supporting electrode material and its application and preparation method | |
| CN108163873A (en) | A kind of method that lithium hydroxide is extracted in the lithium waste residue from phosphoric acid | |
| CN110429356A (en) | A kind of recovery method and device of liquid metal cell | |
| CN105870532A (en) | Method for preparing cobaltosic oxide/carbon composite material through anode materials of waste lithium cobalt oxide batteries | |
| CN110668473A (en) | Method for recovering lithium from waste lithium ion battery negative electrode material | |
| CN103606649A (en) | Electrolysis preparation method of sulfur/carbon composite material | |
| CN103066256A (en) | Preparation method for nanometer copper-tin nickel alloy cathode material, nanometer copper-tin nickel alloy cathode material and lithium ion battery | |
| CN113363426A (en) | Preparation method of sodium ion battery based on metal Pb negative electrode and metal Pb recovery method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |