CN101383419A - Improved lithium-ferrous disulfide battery and manufacturing method thereof - Google Patents
Improved lithium-ferrous disulfide battery and manufacturing method thereof Download PDFInfo
- Publication number
- CN101383419A CN101383419A CN 200810157853 CN200810157853A CN101383419A CN 101383419 A CN101383419 A CN 101383419A CN 200810157853 CN200810157853 CN 200810157853 CN 200810157853 A CN200810157853 A CN 200810157853A CN 101383419 A CN101383419 A CN 101383419A
- Authority
- CN
- China
- Prior art keywords
- lithium
- electrode plate
- positive
- foil
- current collector
- 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
Images
Classifications
-
- Y02E60/12—
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
An improved lithium-ferrous disulfide battery comprising: the positive pole piece and the negative pole piece in the shell are wound together through a porous isolating membrane, and organic electrolyte is filled in the shell. The positive electrode plate comprises a positive active substance and a positive current collector, wherein the positive active substance is ferrous disulfide. The negative electrode plate comprises a negative active material and a negative current collector, the negative active material is a metal lithium foil, and the negative current collector is selected from the following materials: copper mesh, porous aluminum foil, aluminum mesh, porous copper foil, foamed nickel, porous nickel foil, or nickel mesh. The positive pole piece is prepared by uniformly mixing a positive active substance, a conductive agent and an adhesive and coating the mixture on a metal matrix; the negative pole piece is made by pressing metal lithium foil and metal mesh or porous foil together. Then pouring organic electrolyte, and packaging to obtain the battery of the invention. The invention has the advantages of small internal resistance, good high-current discharge performance, good pulse discharge performance, high discharge platform, no depression voltage and good performance consistency.
Description
Technical Field
The invention relates to a lithium-ferrous disulfide battery used for electronic products such as toy cars, remote control toys, digital cameras, shavers and the like and a manufacturing method thereof, in particular to an improved lithium-ferrous disulfide battery and a manufacturing method thereof.
Background
At present, electronic products are rapidly developed towards diversification and miniaturization, the field of batteries is promoted to change day by day, and the batteries are required to have high specific energy, long service life, low price and convenient use. Therefore, disposable high-energy batteries with better performance and stronger adaptability are continuously generated. A newer type of lithium-ferrous disulfide primary cell (Li-FeS) has been developed that is lighter in weight and has better high power discharge performance 2 )。
The lithium-ferrous disulfide battery belongs to a primary lithium battery series, and the electrolyte adopts organic electrolyte, and the open-circuit voltage is about 1.5V. The main characteristics of the battery are as follows: (1) the discharge voltage is high and relatively flat. And (2) the discharge capacity is large. For example: the AA type battery had an average discharge capacity of 2900mAh when discharged at 1000mA to 0.8V. (3) high power density, and large current discharge. For example, AA batteries can be discharged continuously at a maximum discharge current of 2.0A. (4) high volumetric and gravimetric energy density. (5) The working temperature range is wide, between 40 ℃ below zero and 60 ℃, wherein the low-temperature performance is particularly outstanding. (6) The high-temperature storage performance is good, and the high-temperature storage can be stored at the temperature of 60 ℃. (7) the storage life is long, and the product can be stored for 10 years at normal temperature. And (8) mercury, cadmium and lead are not contained, and the environment-friendly requirement is met. (9) The negative electrode plate of the existing primary lithium battery series is generally manufactured by cutting a metal lithium foil into a certain size.
The current market condition is that a low-grade battery is dominant, and the requirement of heavy load work of electric appliances in the market is far from being met. For example, a digital camera can take about 650 pictures continuously using an alkaline zn-mn cell (with the flash light on and the picture screen 3072 × 1728), and a conventional li-ferrous disulfide cell can take 1500 pictures continuously (with the flash light on and the picture screen 3072 × 1728).
Disclosure of Invention
Based on the data, the invention further improves the performance of the battery such as large-current discharge capacity and the like by changing the internal structures of the negative electrode plate and the like of the battery, and prolongs the service time and the service effect of the lithium-ferrous disulfide battery.
The invention aims to provide a lithium-ferrous disulfide battery with small internal resistance, good large-current discharge performance, good pulse discharge performance, high discharge plateau, no depression voltage and good performance consistency and a manufacturing method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
an improved lithium-ferrous disulfide battery comprising: the electrolyte comprises a shell, wherein a positive electrode plate, a negative electrode plate and a porous isolating membrane are arranged in the shell, the porous isolating membrane is arranged between the positive electrode plate and the negative electrode plate, and organic electrolyte is filled in the shell; the positive electrode plate comprises a positive active substance and a positive current collector, wherein the positive active substance is ferrous disulfide; the method is characterized in that: the negative electrode plate comprises a negative active substance and a negative current collector, wherein the negative active substance is a metal lithium foil, and the negative current collector is selected from the following materials: copper mesh, porous aluminum foil, aluminum mesh, porous copper foil, foamed nickel, porous nickel foil, or nickel mesh.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: and the metal lithium foil in the negative electrode plate and the negative current collector are pressed together, and a tab is connected to the negative current collector.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: and a positive current collector in the positive electrode plate is selected from the following components: aluminum foil, aluminum mesh, copper foil, copper mesh, foamed nickel, nickel foil, or nickel mesh.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: the positive electrode plate is prepared by uniformly mixing a positive active substance, a binder and a conductive agent according to a proportion to form slurry, and then coating the slurry on a positive current collector; the weight ratio of the positive active substance, the binder and the conductive agent in the positive electrode slice is 70-95: 3 to 20:2 to 10.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: according to the weight portion ratio, the positive active material ferrous disulfide (FeS) 2 ) 85 parts by weight; a binder polyvinylidene fluoride (PVDF) 10; acetylene black 5 as a conductive agent.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: the porous isolating membrane is selected from the following components: polyethylene film, polypropylene film or modified polymers thereof, or nonwoven fabric or cellulose.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: in the organic electrolyte: the electrolyte salt may be lithium iodide (LiI), lithium perchlorate (LiClO) 4 ) (ii) a The electrolyte solvent can be one or a mixed solvent of Ethylene Carbonate (EC), propylene Carbonate (PC) cyclic ester, dimethyl carbonate (DMC), diethyl carbonate (DEC) chain ester and butyrolactone (GBL); the concentration of the electrolyte is 0.5-5.0 mol/L.
According to the improved lithium-ferrous disulfide battery, the characteristics are as follows: in the organic electrolyte: lithium iodide (LiI) is selected as electrolyte salt; the electrolyte solvent is a mixed solvent of Ethylene Carbonate (EC) and Propylene Carbonate (PC), wherein: the weight ratio of Ethylene Carbonate (EC) to Propylene Carbonate (PC) was 1:1 and the electrolyte concentration was 1.0mol/l.
A method of making the improved lithium-ferrous disulfide battery, characterized by the steps of:
a. mixing, stirring and dispersing the positive active material, the binder and the conductive agent according to the weight part ratio to obtain uniform slurry;
b. coating the positive current collector to prepare a positive electrode slice;
c. c, compacting the positive electrode plate prepared in the step b by using a tablet press;
d. c, cutting the positive electrode plate manufactured in the step c;
e. cutting the metal lithium foil and the metal current collector in the negative electrode plate;
f. pressing the metal lithium foil and the metal current collector in the negative electrode plate together;
g. slitting the porous isolating membrane;
h. assembling the positive electrode plate prepared in the step d, the negative electrode plate prepared in the step f and the porous isolating membrane prepared in the step g together;
i. adding an electrolyte;
j. and packaging to obtain the lithium-ferrous disulfide battery.
The manufacturing method of the improved lithium-ferrous disulfide battery is characterized by comprising the following steps:
(1) Preparing positive electrode slurry; the raw materials are proportioned according to the weight portion, polyvinylidene fluoride (PVDF) is firstly dissolved in N-methyl pyrrolidone (NMP), and then ferrous disulfide (FeS) 2 ) Mixing, stirring and dispersing the acetylene carbon black with the acetylene carbon black to prepare uniform anode slurry;
(2) Coating the positive slurry on the surface of an aluminum foil in a casting manner to prepare a positive electrode slice, pressing on a tablet press, and cutting into appropriate sizes, wherein the positive slurry can be coated on one surface or two surfaces of the aluminum foil;
(3) Cutting the metal lithium foil and the negative current collector in the negative electrode plate into proper sizes;
(4) Pressing the metal lithium foil in the negative electrode plate and the negative electrode current collector together;
(5) Cutting the porous isolating membrane into proper sizes;
(6) Winding a positive electrode plate with a proper size, a negative electrode plate with a proper size and a porous separation film with a proper size into a winding core; the invention can also manufacture the electrode by other conventional methods;
(7) Putting the winding core in the step 6 into a metal shell;
(8) Pouring organic electrolyte, wherein lithium iodide (LiI) is selected as electrolyte salt; the electrolyte solvent is a mixed solvent of Ethylene Carbonate (EC) and Propylene Carbonate (PC);
(9) And packaging to obtain the lithium-ferrous disulfide battery product.
The invention has the beneficial effects that: the invention further improves the performances of the battery such as large-current discharge capacity and the like by changing the internal structures of the negative electrode plate and the like of the battery, and prolongs the service time and the use effect of the lithium-ferrous disulfide battery. On the basis of retaining the advantages of the primary lithium-ferrous disulfide battery, the invention has the advantages of small internal resistance, good large-current discharge performance, good pulse discharge performance, high discharge platform, no depression voltage and good performance consistency. The rated voltage of the improved lithium-ferrous disulfide battery manufactured by the technical scheme is 1.5V, and the improved lithium-ferrous disulfide battery has the same commonalities of lithium-ferrous disulfide batteries with other structures, such as the advantages of large capacity, light weight, no pollution and the like; meanwhile, the high-power discharge lamp has the advantages of no depression voltage, small internal resistance, high discharge platform, good high-rate discharge performance, long service life and the like. The high-power electronic toy is used for high-power electronic products such as digital cameras, electric toys and the like, and has better performance. The lithium-ferrous disulfide battery can continuously photograph about 2300 pictures (the flash light is turned off, and the photographing screen is 3072 × 1728), and the number of the photographs is 1.5 times that of the conventional lithium-ferrous disulfide battery.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the negative electrode tab in the present invention.
Fig. 3 is another schematic structural diagram of the negative electrode tab.
Fig. 4 is a third structural schematic diagram of the negative electrode tab.
Fig. 5 is a schematic structural view of a negative electrode tab of a conventional battery.
In the drawings: 1. a metallic lithium foil; 2. a negative current collector; 3. a porous separator film; 4. a positive electrode sheet; 5. assembling a cap; 6. a housing; 7. and (7) a tab.
Detailed Description
The invention is further described with reference to the following figures and specific examples:
the negative electrode sheet of the existing primary lithium battery series is generally manufactured by cutting a metal lithium foil into a certain size. The invention uses the metal lithium foil as the negative active material, uses the metal net or the porous metal foil as the negative current collector, and presses the metal lithium foil and the metal net or the porous metal foil together to manufacture the negative electrode slice.
On the basis of keeping the advantages of the primary lithium-ferrous disulfide battery, the invention provides an improved lithium-ferrous disulfide battery which has the advantages of small internal resistance, good large-current discharge performance, good pulse discharge performance, high discharge platform, no depression voltage and good performance consistency.
An improved lithium-ferrous disulfide battery of the present invention is shown in fig. 1, and includes: a shell 6, and a combined cover cap 5 is arranged at the upper end of the shell. A positive electrode plate 4, a negative electrode plate and a porous isolating membrane 3 are arranged in the shell 6, the porous isolating membrane 3 is arranged between the positive electrode plate 4 and the negative electrode plate, and organic electrolyte is filled in the shell. The positive electrode plate 4 includes a positive active material and a positive current collector, and the positive active material is ferrous disulfide.
As shown in fig. 1, 2, 3, and 4, the negative electrode sheet of the present invention includes a negative active material and a negative current collector 2, the negative active material is a metal lithium foil 1, and the negative current collector 2 is selected from: copper mesh, porous aluminum foil, aluminum mesh, porous copper foil, foamed nickel, porous nickel foil, or nickel mesh.
The metal lithium foil 1 in the negative electrode plate and the negative current collector 2 are pressed together, and a tab 7 is connected to the negative current collector 2.
The positive current collector in the positive electrode plate 4 is selected from: aluminum foil, aluminum mesh, copper foil, copper mesh, foamed nickel, nickel foil, or nickel mesh.
The positive electrode plate 4 is prepared by uniformly mixing a positive active material, a binder and a conductive agent into slurry according to a proportion and then coating the slurry on a positive current collector; the weight ratio of the positive active material, the binder and the conductive agent in the positive electrode piece 4 is 70-95: 3 to 20:2 to 10.
The porous isolating membrane 3 is selected from: polyethylene film, polypropylene film or modified polymers thereof, or nonwoven fabric or cellulose.
In the organic electrolyte: the electrolyte salt may be lithium iodide (LiI), lithium perchlorate (LiClO) 4 ) Etc.; the electrolyte solvent may be one or a mixture of cyclic esters such as Ethylene Carbonate (EC) and Propylene Carbonate (PC), chain esters such as dimethyl carbonate (DMC) and diethyl carbonate (DEC), and butyrolactone (GBL); the concentration of the electrolyte is 0.5-5.0 mol/L.
A method of manufacturing an improved lithium-ferrous disulfide battery:
a. mixing, stirring and dispersing the positive active material, the binder and the conductive agent according to the weight part ratio to obtain uniform slurry;
b. coating the positive current collector to prepare a positive electrode slice;
c. pressing and compacting the positive electrode plate prepared in the step b by using a tablet press;
d. c, cutting the positive electrode plate manufactured in the step c;
e. cutting the metal lithium foil and the metal current collector in the negative electrode plate;
f. pressing the metal lithium foil and the metal current collector in the negative electrode plate together;
g. slitting the porous isolating membrane;
h. assembling the positive electrode plate prepared in the step d, the negative electrode plate prepared in the step f and the porous isolating membrane prepared in the step g together;
i. adding an electrolyte;
j. and packaging to obtain the lithium-ferrous disulfide battery.
Examples
The invention is manufactured by the following steps:
(1) And (5) preparing positive electrode slurry. The raw materials are proportioned according to the following weight portions:
ferrous disulfide (FeS) as positive electrode active material 2 ) 85；
A binder polyvinylidene fluoride (PVDF) 10;
the preparation method comprises the following steps: dissolving 10 parts by weight of polyvinylidene fluoride (PVDF) in 90 parts by weight of N-methylpyrrolidone (NMP), and then dissolving 85 parts by weight of ferrous disulfide (FeS) 2 ) And 5 parts by weight of acetylene black, and the acetylene black are mixed, stirred and dispersed to prepare uniform anode slurry.
(2) Coating the positive slurry on the surface of an aluminum foil in a casting manner to prepare a positive electrode slice, pressing on a tablet press, and cutting into pieces with proper sizes. The positive electrode slurry of the present invention may be coated on one or both sides of an aluminum foil.
(3) And cutting the metal lithium foil and the negative current collector in the negative electrode plate into proper sizes.
(4) And pressing the metal lithium foil in the negative electrode plate and the negative electrode current collector together.
(5) The porous separator is cut to the appropriate size.
(6) And winding the positive electrode plate with a proper size, the negative electrode plate with a proper size and the porous separation film with a proper size into a winding core. The invention can also be used for manufacturing the electrode by other conventional methods.
(7) And (4) filling the winding core in the step 6 into a metal steel shell.
(8) And (4) pouring an electrolyte. Lithium iodide (LiI) is selected as electrolyte salt; the electrolyte solvent is a mixed solvent of Ethylene Carbonate (EC) and Propylene Carbonate (PC), wherein: the weight ratio of Ethylene Carbonate (EC) to Propylene Carbonate (PC) is 1:1. The concentration of the electrolyte was 1.0mol/L.
(9) And packaging to obtain the lithium-ferrous disulfide product.
The invention is compared with the existing lithium-ferrous disulfide battery:
the positive electrode sheet of example 1 was used as the positive electrode sheet of the existing lithium-ferrous disulfide battery. And directly using metal lithium foil for the cathode electrode plate to prepare the comparative product of the invention.
The phi 14 x 50 (cylindrical AA lithium-ferrous disulfide cell, 14mm in diameter and 50mm in height) products were prepared separately from the inventive and comparative cells.
In the cylindrical AA lithium-ferrous disulfide battery prepared in the embodiment of the invention, the 1500mA pulse discharge capacity can reach 2000mAh, the platform voltage for 1000mA discharge is 1.35V, and the platform voltage for 2000mA discharge is 1.21V.
When the lithium-iron disulfide battery is used on a digital camera (a flash lamp is turned on), about 2300 pictures can be taken, and 1500 pictures can be continuously taken by the comparative lithium-iron disulfide battery. The number of photographs taken was 1.5 times greater than that of the lithium-iron disulfide battery in the comparative example.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the concept and the protection scope of the present invention, and various modifications and improvements of the technical solution of the present invention made by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An improved lithium-ferrous disulfide battery comprising: the electrode plate structure comprises a shell (6), wherein a positive electrode plate (4), a negative electrode plate and a porous isolating membrane (3) are arranged in the shell (6), the porous isolating membrane (3) is arranged between the positive electrode plate (4) and the negative electrode plate, and organic electrolyte is filled in the shell; the positive electrode piece (4) comprises a positive active substance and a positive current collector, wherein the positive active substance is ferrous disulfide; it is characterized in that: the negative electrode plate comprises a negative active material and a negative current collector (2), wherein the negative active material is a metal lithium foil (1), and the negative current collector (2) is selected: copper mesh, porous aluminum foil, aluminum mesh, porous copper foil, foamed nickel, porous nickel foil, or nickel mesh.
2. The improved lithium-ferrous disulfide battery of claim 1, wherein: the metal lithium foil (1) in the negative electrode plate and the negative current collector (2) are pressed together, and a tab (7) is connected to the negative current collector (2).
3. The improved lithium-ferrous disulfide battery of claim 1, wherein: the positive current collector in the positive electrode slice (4) is selected from the following components: aluminum foil, aluminum mesh, copper foil, copper mesh, foamed nickel, nickel foil, or nickel mesh.
4. The improved lithium-ferrous disulfide battery of claim 1, wherein: the positive electrode slice (4) is prepared by uniformly mixing a positive active substance, a binder and a conductive agent into slurry according to a certain proportion and then coating the slurry on a positive current collector; the weight ratio of the positive active material, the binder and the conductive agent in the positive electrode slice (4) is 70-95: 3 to 20:2 to 10.
5. The improved lithium-ferrous disulfide battery of claim 4, wherein: according to the weight portion ratio, the positive active material ferrous disulfide (FeS) 2 ) 85 parts by weight; a binder polyvinylidene fluoride (PVDF) 10; acetylene black 5 as a conductive agent.
6. The improved lithium-ferrous disulfide battery of claim 1, wherein: the porous isolating membrane (3) is selected from: polyethylene film, polypropylene film or modified polymers thereof, or nonwoven fabric or cellulose.
7. The improved lithium-ferrous disulfide battery of claim 1, wherein: in the organic electrolytic solution: the electrolyte salt may be lithium iodide (LiI), lithium perchlorate (LiClO) 4 ) (ii) a The electrolyte solvent can be one or a mixed solvent of Ethylene Carbonate (EC), propylene Carbonate (PC) cyclic ester, dimethyl carbonate (DMC), diethyl carbonate (DEC) chain ester and butyrolactone (GBL); the concentration of the electrolyte is 0.5-5.0 mol/L.
8. The improved lithium-ferrous disulfide battery of claim 7, wherein: in the organic electrolytic solution: lithium iodide (LiI) is selected as electrolyte salt; the electrolyte solvent is a mixed solvent of Ethylene Carbonate (EC) and Propylene Carbonate (PC), wherein: the weight ratio of Ethylene Carbonate (EC) to Propylene Carbonate (PC) was 1:1 and the electrolyte concentration was 1.0mol/l.
9. A method of making an improved ferrous lithium-disulfide battery of claim 1, 2, 3, 4, 5, 6, 7 or 8, by the steps of:
a. mixing, stirring and dispersing the positive active material, the binder and the conductive agent according to the weight part ratio to obtain uniform slurry;
b. coating the positive current collector to prepare a positive electrode slice;
c. pressing and compacting the positive electrode plate prepared in the step b by using a tablet press;
d. c, cutting the positive electrode plate manufactured in the step c;
e. cutting the metal lithium foil and the metal current collector in the negative electrode plate;
f. pressing the metal lithium foil and the metal current collector in the negative electrode plate together;
g. cutting the porous isolating membrane;
h. assembling the positive electrode plate prepared in the step d, the negative electrode plate prepared in the step f and the porous isolating membrane prepared in the step g together;
i. adding an electrolyte;
j. and packaging to obtain the lithium-ferrous disulfide battery.
10. The method of claim 9, wherein the improved lithium-ferrous disulfide battery is made by the steps of:
(1) Manufacturing positive electrode slurry; the raw materials are proportioned according to the weight portion, polyvinylidene fluoride (PVDF) is firstly dissolved in N-methyl pyrrolidone (NMP), and then ferrous disulfide (FeS) 2 ) Mixing, stirring and dispersing the acetylene carbon black with the acetylene carbon black to prepare uniform anode slurry;
(2) Coating the positive slurry on the surface of an aluminum foil in a casting manner to prepare a positive electrode slice, pressing on a tablet press, and cutting into appropriate sizes, wherein the positive slurry can be coated on one surface or two surfaces of the aluminum foil;
(3) Cutting the metal lithium foil and the negative current collector in the negative electrode plate into proper sizes;
(4) Pressing the metal lithium foil in the negative electrode plate and the negative electrode current collector together;
(5) Cutting the porous isolating membrane into proper sizes;
(6) Winding the anode electrode plate with a proper size, the cathode electrode plate with a proper size and the porous separation film with a proper size into a winding core; the invention can also manufacture the electrode according to other conventional methods;
(7) Putting the winding core in the step 6 into a metal shell;
(8) Pouring organic electrolyte, wherein lithium iodide (LiI) is selected as electrolyte salt; the electrolyte solvent is a mixed solvent of Ethylene Carbonate (EC) and Propylene Carbonate (PC);
(9) And packaging to obtain the lithium-ferrous disulfide battery product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810157853 CN101383419A (en) | 2008-10-15 | 2008-10-15 | Improved lithium-ferrous disulfide battery and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810157853 CN101383419A (en) | 2008-10-15 | 2008-10-15 | Improved lithium-ferrous disulfide battery and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101383419A true CN101383419A (en) | 2009-03-11 |
Family
ID=40463121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810157853 Pending CN101383419A (en) | 2008-10-15 | 2008-10-15 | Improved lithium-ferrous disulfide battery and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101383419A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122725A (en) * | 2011-01-28 | 2011-07-13 | 福建南平南孚电池有限公司 | Lithium-iron disulfide battery |
| CN102272994A (en) * | 2009-11-16 | 2011-12-07 | 松下电器产业株式会社 | Primary lithium cell |
| CN102460815A (en) * | 2009-06-08 | 2012-05-16 | 永备电池有限公司 | Lithium-iron disulfide cell design |
| CN102738418A (en) * | 2012-06-30 | 2012-10-17 | 惠州亿纬锂能股份有限公司 | Square lithium-ferrous disulfide battery and its preparation method |
| CN104659384A (en) * | 2013-11-18 | 2015-05-27 | 中国电子科技集团公司第十八研究所 | Preparation method of large-capacity power-type lithium-ferrous disulfide (Li-FeS2) battery pack |
| CN104681779A (en) * | 2015-02-03 | 2015-06-03 | 中国工程物理研究院电子工程研究所 | Method for preparing thin thermal battery negative electrode pole piece based on slurry coating method |
| CN105702912A (en) * | 2014-11-27 | 2016-06-22 | 中国电子科技集团公司第十八研究所 | Negative electrode of primary lithium battery and preparation method of negative electrode |
| CN106207212A (en) * | 2016-09-12 | 2016-12-07 | 惠州亿纬锂能股份有限公司 | A kind of lithium primary battery and preparation method thereof |
| CN106707024A (en) * | 2015-11-16 | 2017-05-24 | 贵州安达科技能源股份有限公司 | Test sample used for testing relative internal resistance of electrode material and test method used for testing relative internal resistance of electrode material |
| CN107706448A (en) * | 2017-06-30 | 2018-02-16 | 绍兴文理学院 | The lithium ion battery of electrochemical performance |
| CN107958788A (en) * | 2017-12-06 | 2018-04-24 | 中国科学院上海技术物理研究所 | One kind contacts embedding lithium type lithium ion super capacitor |
| CN109346697A (en) * | 2018-10-12 | 2019-02-15 | 桑德集团有限公司 | Positive electrode active materials and preparation method thereof, solid lithium battery |
| CN109755472A (en) * | 2019-01-18 | 2019-05-14 | 梅州市量能新能源科技有限公司 | Novel high-energy metric density lithium battery |
| CN116799150A (en) * | 2023-08-22 | 2023-09-22 | 天津中能锂业有限公司 | Lithium composite electrode and preparation method and application thereof |
-
2008
- 2008-10-15 CN CN 200810157853 patent/CN101383419A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460815A (en) * | 2009-06-08 | 2012-05-16 | 永备电池有限公司 | Lithium-iron disulfide cell design |
| CN102460815B (en) * | 2009-06-08 | 2015-11-25 | 永备电池有限公司 | Lithium-iron disulfide cell design |
| CN102272994A (en) * | 2009-11-16 | 2011-12-07 | 松下电器产业株式会社 | Primary lithium cell |
| CN102272994B (en) * | 2009-11-16 | 2015-04-22 | 松下电器产业株式会社 | Primary lithium cell |
| CN102122725A (en) * | 2011-01-28 | 2011-07-13 | 福建南平南孚电池有限公司 | Lithium-iron disulfide battery |
| CN102122725B (en) * | 2011-01-28 | 2012-12-05 | 福建南平南孚电池有限公司 | Lithium-iron disulfide battery |
| CN102738418B (en) * | 2012-06-30 | 2015-08-12 | 惠州亿纬锂能股份有限公司 | Square lithium-ferrous disulfide battery and preparation method thereof |
| CN102738418A (en) * | 2012-06-30 | 2012-10-17 | 惠州亿纬锂能股份有限公司 | Square lithium-ferrous disulfide battery and its preparation method |
| CN104659384A (en) * | 2013-11-18 | 2015-05-27 | 中国电子科技集团公司第十八研究所 | Preparation method of large-capacity power-type lithium-ferrous disulfide (Li-FeS2) battery pack |
| CN105702912A (en) * | 2014-11-27 | 2016-06-22 | 中国电子科技集团公司第十八研究所 | Negative electrode of primary lithium battery and preparation method of negative electrode |
| CN104681779A (en) * | 2015-02-03 | 2015-06-03 | 中国工程物理研究院电子工程研究所 | Method for preparing thin thermal battery negative electrode pole piece based on slurry coating method |
| CN104681779B (en) * | 2015-02-03 | 2017-05-31 | 中国工程物理研究院电子工程研究所 | A kind of method that thin-type heat negative pole piece of battery is prepared based on slurry cladding process |
| CN106707024A (en) * | 2015-11-16 | 2017-05-24 | 贵州安达科技能源股份有限公司 | Test sample used for testing relative internal resistance of electrode material and test method used for testing relative internal resistance of electrode material |
| CN106207212A (en) * | 2016-09-12 | 2016-12-07 | 惠州亿纬锂能股份有限公司 | A kind of lithium primary battery and preparation method thereof |
| CN107706448A (en) * | 2017-06-30 | 2018-02-16 | 绍兴文理学院 | The lithium ion battery of electrochemical performance |
| CN107958788A (en) * | 2017-12-06 | 2018-04-24 | 中国科学院上海技术物理研究所 | One kind contacts embedding lithium type lithium ion super capacitor |
| CN109346697A (en) * | 2018-10-12 | 2019-02-15 | 桑德集团有限公司 | Positive electrode active materials and preparation method thereof, solid lithium battery |
| CN109755472A (en) * | 2019-01-18 | 2019-05-14 | 梅州市量能新能源科技有限公司 | Novel high-energy metric density lithium battery |
| CN116799150A (en) * | 2023-08-22 | 2023-09-22 | 天津中能锂业有限公司 | Lithium composite electrode and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101383419A (en) | Improved lithium-ferrous disulfide battery and manufacturing method thereof | |
| KR100581814B1 (en) | Lithium secondary battery | |
| CN110165284B (en) | Lithium ion secondary battery | |
| KR101571990B1 (en) | Nonaqueous electrolyte secondary battery and manufacturing method therefor | |
| JP5220273B2 (en) | Electrode and non-aqueous secondary battery using the same | |
| JP5842596B2 (en) | Positive electrode composition for non-aqueous electrolyte secondary battery and method for producing positive electrode slurry for non-aqueous electrolyte secondary battery | |
| CN1641912A (en) | Lithium ion cell anode, lithium cell using same and its manufacturing method | |
| WO2015161400A1 (en) | Sulphur-based transition metal composite cathode active material, corresponding cathode and corresponding battery | |
| JP2010526409A (en) | Anode material for secondary battery and secondary battery using the same | |
| CN102487138B (en) | Cathode slurry and preparation method thereof, cathode of lithium ion battery and lithium ion battery | |
| CN108539188A (en) | A kind of preparation method of liquid metal nano-particle and the preparation method of lithium ion battery | |
| CN111403739A (en) | Nickel-cobalt-manganese acid lithium battery cell positive electrode active material, aluminum shell battery cell and manufacturing method thereof | |
| JP2010272380A (en) | Negative electrode for lithium secondary battery, and lithium secondary battery using the same | |
| CN201294241Y (en) | Improved lithium-ferrous disulfide battery | |
| CN106450425A (en) | Nonaqueous electrolyte secondary cell | |
| CN105024113B (en) | Preparation method of rechargeable lithium ion oxygen battery based on lithium-intercalated graphite | |
| JP2002141063A (en) | Lithium secondary battery | |
| JPH08171934A (en) | Lithium secondary battery | |
| JP5448175B2 (en) | Non-aqueous electrolyte for electrochemical element and electrochemical element | |
| JP2005071712A (en) | Manufacturing method of positive electrode | |
| KR101863441B1 (en) | Lithium secondary cell including a cathode active material structure | |
| JPH1154122A (en) | Lithium ion secondary battery | |
| JP2002190300A (en) | Lithium secondary cell | |
| CN116404101B (en) | Negative pole piece, battery pack and electric equipment | |
| JP2005267966A (en) | Nonaqueous electrolyte secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG HETER BATTERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI QINGHAI Effective date: 20090424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090424 Address after: Shandong city of Zaozhuang province high tech Zone Shengong Road No. 566 post encoding: 277800 Applicant after: Shandong Shengong Haite Electronic Technology Co., Ltd. Address before: Shandong city of Zaozhuang province high tech Zone Shengong Road No. 888 Shandong Shengong Haite Electronic Technology Co Ltd postal encoding: 277800 Applicant before: Li Qinghai |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090311 |