CN104882585A - Lithium ion battery overcharge protection composition and lithium ion battery overcharge protection method - Google Patents
Lithium ion battery overcharge protection composition and lithium ion battery overcharge protection method Download PDFInfo
- Publication number
- CN104882585A CN104882585A CN201510223202.7A CN201510223202A CN104882585A CN 104882585 A CN104882585 A CN 104882585A CN 201510223202 A CN201510223202 A CN 201510223202A CN 104882585 A CN104882585 A CN 104882585A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- over
- charge protective
- overcharge protection
- 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
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 21
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical group C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003223 protective agent Substances 0.000 claims description 6
- 150000004756 silanes Chemical class 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000003487 electrochemical reaction Methods 0.000 abstract description 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 3
- 229910003002 lithium salt Inorganic materials 0.000 abstract description 2
- 159000000002 lithium salts Chemical class 0.000 abstract description 2
- 239000002052 molecular layer Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 1
- 230000009172 bursting Effects 0.000 abstract 1
- 239000011815 overcharge protection agent Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 8
- 229910013870 LiPF 6 Inorganic materials 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- -1 oxygen radical Chemical class 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- QGRPVMLBTFGQDQ-UHFFFAOYSA-N 1-chloro-2-methoxybenzene Chemical compound COC1=CC=CC=C1Cl QGRPVMLBTFGQDQ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- ABDKAPXRBAPSQN-UHFFFAOYSA-N veratrole Chemical group COC1=CC=CC=C1OC ABDKAPXRBAPSQN-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium ion battery overcharge protection composition and a lithium ion battery overcharge protection method. The composition comprises the following raw materials in percentage by weight: 0.1-7.5% of a silane overcharge protection agent, 1-12% of lithium salt, 1-5% of an adhesive and the balance being water. The method comprises the following steps: before the assembling of a battery, coating the surface of an electrode plate or the surface of a separation plate with the lithium ion battery overcharge protection composition, and dying for curing to obtain a coating. According to the method, the surface of the positive electrode plate of the lithium ion battery, or the surface, in contact with the positive electrode plate of the lithium ion battery, of a separation film is coated with the lithium ion battery overcharge protection composition, firstly a porous nano layer is formed between a metallic oxide positive electrode and the separation film, and a nonconducting organic-inorganic mixed polymer protection film is automatically formed on the surface of the positive electrode or the separation film under an abnormal overcharge condition of the battery, so that the further electrochemical reaction operation in the battery is stopped, furthermore the generation of heat can be controlled, and the further burning bursting of the lithium ion battery can be avoided.
Description
Technical field
The present invention relates to technical field of lithium ion, particularly relate to a kind of lithium ion battery over-charge protective composition and method.
Background technology
Due to the large-scale application of lithium ion battery on all kinds of new energy electric motor vehicle (EV/HEV/PHEV), stricter for power lithium-ion battery safety requirements in use.The power lithium-ion battery of current major commercial is by graphitic carbon negative electrode (theoretical capacity 372mAh/g), 4V series lithium metal oxide positive electrode (such as: LiCoO
2deng.) and non-aqueous electrolytic solution (such as: LiPF
6-EC/DMC/EMC) composition.As everyone knows, safety problem is one of major obstacle of large-scale commercial power lithium-ion battery.
Because lithium ion battery is under extremely overcharging condition, a large amount of heats can be produced, and under abnormal overheated condition, the Lattice Oxygen of metal oxide cathode can be changed into extremely active oxygen radical by activating, these oxygen radicals can generate a large amount of gas with organic electrolyte generation oxidation reaction, cause inner pressure of battery to increase rapidly at short notice and explosive combustion.In order to prevent the generation of the explosive combustion of lithium ion battery, present stage commercialization power lithium-ion battery tonneau external electronic device prevents the abnormal generation overcharged, such as increase PTC resistor (PTC, Positive Temperature Coefficient Resistor) or integrated circuit (ICs, Integrated Circuits).But these ways not only increase the cost of manufacture and the complexity of system, and can cause the reduction of battery system energy density.The most important thing is that the fail safe of external electronic device protection system places one's entire reliance upon the reliability of electronic equipment.If electronic equipment is malfunctioning, irreversible disaster will be caused.
Traditional over-charge protective agent major part stops electrochemical reaction to reach the object controlling electric current and voltage by the redox additive in electrolyte; but; due to the restriction of its dissolubility and operating voltage range; most of such redox additive can cause serious capacitance loss and the self discharge of battery; such as known biphenyl; dimethylbenzene, the over-charge protective agent such as cyclohexyl benzene.
CN102938471A mono-kind comprises the electrolyte for lithium ion battery of solvent, lithium salts and additive, and described additive is dimethoxy benzene and chloroanisole, and this additive, in battery charging process, can prevent lithium ion battery from overcharging blast effectively.
Summary of the invention
The invention provides lithium ion battery over-charge protective composition, need to add redox materials toward electrolyte to solve the anti-overcharge method of tradition, cause the problem of battery capacity heavy losses.
Lithium ion battery over-charge protective composition, by weight percentage, consists of:
The percentage by weight of described silanes over-charge protective agent is 2.5%-7.5%.
The percentage by weight of described adhesive is 1%-5%.
The chemical formula of described silanes over-charge protective agent is: SiO
nn
mc
xh
y, wherein 1≤n≤50; 0≤m≤4; 1≤x≤100; 1≤y≤1000, most preferred, the agent of described silanes over-charge protective is dimethoxydiphenylsilane.
Described adhesive is Kynoar.
Described solvent is 1-METHYLPYRROLIDONE.
Present invention also offers the over-charge protective method of lithium ion battery, comprising: before battery assembling, described lithium ion battery over-charge protective composition is coated in the surface of pole plate or dividing plate, dry solidification forms a coating.
The thickness of described coating is 0.01-2 μm.
The technique of described dry solidification comprises:
(1) described pole plate or dividing plate are placed in 2-4 hour under inert atmosphere;
(2) 1-6 hour are heated in 40 DEG C-120 DEG C under described pole plate or dividing plate being placed in vacuum environment.
The present invention is by membrane surface over-charge protective composition being coated on lithium ion cell positive plate plate or contact with it; first between metal oxide cathode and barrier film, porous nano layer is formed; and on positive electrode surface or barrier film, automatically a nonconducting organic and inorganic mixed polymer diaphragm is formed under battery overcharges condition extremely; stop proceeding of the electrochemical reaction of inside battery; thus reach the generation controlling heat, avoid the further combustion explosion of lithium ion battery.
Accompanying drawing explanation
Fig. 1 is CV linear scan result figure.
Embodiment
Embodiment one
Sample A:5wt%SiO
2c
14h
18(diphenyl dimethoxy silicon), 3wt%PVDF (Kynoar), and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
Sample B:3wt%PVDF, and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
The CV experimental result of above two kinds of liquid mixtures is as Fig. 1.There is polymerization reaction at 3.5-4.9V in result of the test show sample A, when voltage reaches 4.9V, polymerization rate reaches top.There is electrolyte oxidation decomposition reaction in 4.5 – 5.0V intervals in sample B, more than reaching reaction top during 5.0V.
Embodiment two
Sample A:3wt%PVDF, and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
Sample B:2.5wt%SiO
2c
14h
18(diphenyl dimethoxy silicon), 3wt%PVDF, and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
Sample C:5wt%SiO
2c
14h
18(diphenyl dimethoxy silicon), 3wt%PVDF, and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
Sample D:7.5wt%SiO
2c
14h
18(diphenyl dimethoxy silicon), 3wt%PVDF, and 5wt% commercialization standard electrolytic liquid (1mol/L LiPF
6in EC/DMC/EMC (1:1:1) solution) nmp solution.
Table one illustrates the lithium ion conducting rate of above four kinds of liquid mixtures.Result of the test shows functional compounds SiO
2c
14h
18the interpolation of (diphenyl dimethoxy silicon) only causes the decline slightly of electrolyte conductance, little on the impact of the electric conductivity of electrolyte.
Table one
| Sample | Ionic conductivity (mS/cm) |
| A | 9.2 |
| B | 9.1 |
| C | 8.4 |
| D | 7.9 |
During use, only by described over-charge protective composition, need be coated in positive plate or baffle surface, dry in the shade under positive plate being placed in room temperature 2-4 hour, and then under vacuum conditions, 40-120 DEG C of vacuumize 1-6 hour, forms coating.
Claims (10)
1. lithium ion battery over-charge protective composition, is characterized in that, by weight percentage, consists of:
2. lithium ion battery over-charge protective composition as claimed in claim 1, it is characterized in that, the percentage by weight of described silanes over-charge protective agent is 2.5%-7.5%.
3. lithium ion battery over-charge protective composition as claimed in claim 1, it is characterized in that, the percentage by weight of described adhesive is 1%-5%.
4. lithium ion battery over-charge protective composition as claimed in claim 1, it is characterized in that, the chemical formula of described silanes over-charge protective agent is: SiO
nn
mc
xh
y, wherein 1≤n≤50; 0≤m≤4; 1≤x≤100; 1≤y≤1000.
5. lithium ion battery over-charge protective composition as claimed in claim 4, it is characterized in that, the agent of described silanes over-charge protective is dimethoxydiphenylsilane.
6. lithium ion battery over-charge protective composition as claimed in claim 1, it is characterized in that, described adhesive is Kynoar.
7. lithium ion battery over-charge protective composition as claimed in claim 1, it is characterized in that, described solvent is 1-METHYLPYRROLIDONE.
8. the over-charge protective method of lithium ion battery, is characterized in that, comprising: before battery assembling, arbitrary for claim 1-7 described lithium ion battery over-charge protective composition is coated in the surface of pole plate or dividing plate, dry solidification forms a coating.
9. the over-charge protective method of lithium ion battery as claimed in claim 8, it is characterized in that, the thickness of described coating is 0.001-2 μm.
10. the over-charge protective method of lithium ion battery as claimed in claim 8, it is characterized in that, the technique of described dry solidification comprises:
(1) described pole plate or dividing plate are placed in 2-4 hour under inert atmosphere;
(2) 1-6 hour are heated in 40 DEG C-120 DEG C under described pole plate or dividing plate being placed in vacuum environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223202.7A CN104882585B (en) | 2015-05-04 | 2015-05-04 | Lithium ion battery overcharges protection composition and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223202.7A CN104882585B (en) | 2015-05-04 | 2015-05-04 | Lithium ion battery overcharges protection composition and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104882585A true CN104882585A (en) | 2015-09-02 |
| CN104882585B CN104882585B (en) | 2018-04-27 |
Family
ID=53949988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223202.7A Active CN104882585B (en) | 2015-05-04 | 2015-05-04 | Lithium ion battery overcharges protection composition and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104882585B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178542A (en) * | 2021-05-28 | 2021-07-27 | 陕西煤业化工技术研究院有限责任公司 | Overcharge-resistant rate type positive pole piece, manufacturing method thereof and lithium ion battery based on overcharge-resistant rate type positive pole piece |
| CN113258037A (en) * | 2021-05-28 | 2021-08-13 | 陕西煤业化工技术研究院有限责任公司 | Overcharge-prevention low-temperature-rate negative pole piece, manufacturing method thereof and lithium ion battery based on overcharge-prevention low-temperature-rate negative pole piece |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1910772A (en) * | 2004-02-16 | 2007-02-07 | 株式会社Lg化学 | Electrode for lithium secondary battery |
| CN101471455A (en) * | 2007-12-28 | 2009-07-01 | 张家港市国泰华荣化工新材料有限公司 | Additive for lithium ion battery non-aqueous electrolyte and non-aqueous electrolyte made by the same |
| CN102160229A (en) * | 2009-03-03 | 2011-08-17 | 株式会社Ntt设施 | Nonaqueous electrolyte cell |
| CN103165895A (en) * | 2011-12-09 | 2013-06-19 | 协鑫动力新材料（盐城）有限公司 | Positive pole with p-terphenyl additive for lithium-ion secondary battery and lithium-ion secondary battery |
-
2015
- 2015-05-04 CN CN201510223202.7A patent/CN104882585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1910772A (en) * | 2004-02-16 | 2007-02-07 | 株式会社Lg化学 | Electrode for lithium secondary battery |
| CN101471455A (en) * | 2007-12-28 | 2009-07-01 | 张家港市国泰华荣化工新材料有限公司 | Additive for lithium ion battery non-aqueous electrolyte and non-aqueous electrolyte made by the same |
| CN102160229A (en) * | 2009-03-03 | 2011-08-17 | 株式会社Ntt设施 | Nonaqueous electrolyte cell |
| CN103165895A (en) * | 2011-12-09 | 2013-06-19 | 协鑫动力新材料（盐城）有限公司 | Positive pole with p-terphenyl additive for lithium-ion secondary battery and lithium-ion secondary battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178542A (en) * | 2021-05-28 | 2021-07-27 | 陕西煤业化工技术研究院有限责任公司 | Overcharge-resistant rate type positive pole piece, manufacturing method thereof and lithium ion battery based on overcharge-resistant rate type positive pole piece |
| CN113258037A (en) * | 2021-05-28 | 2021-08-13 | 陕西煤业化工技术研究院有限责任公司 | Overcharge-prevention low-temperature-rate negative pole piece, manufacturing method thereof and lithium ion battery based on overcharge-prevention low-temperature-rate negative pole piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104882585B (en) | 2018-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101125013B1 (en) | Cross-linked ceramic-coated separators containing ionic polymers and rechargeable lithium batteries using them | |
| Wang et al. | A single-ion gel polymer electrolyte based on polymeric lithium tartaric acid borate and its superior battery performance | |
| CN105470515B (en) | A kind of safe lithium ion power battery anode and the lithium ion battery containing the positive pole | |
| CN105161661A (en) | Composite diaphragm for lithium ion battery, preparation method of composite diaphragm, and lithium ion battery | |
| KR101676408B1 (en) | Method for preparing a electrode-separator complex, electrode-separator complex manufactured by the same and a lithium secondary battery including the same | |
| Yang et al. | Ionic liquid enhanced composite solid electrolyte for high-temperature/long-life/dendrite-free lithium metal batteries | |
| EP3142173B1 (en) | Positive electrode for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery | |
| KR101954601B1 (en) | Organic-inorganic composite solid electrolyte, lithium secondary cell comprising the same, and manufacturing method for the lithium secondary cell | |
| CN104140502A (en) | Binder for lithium ion battery diaphragm, preparation method and diaphragm using the same | |
| CN107749489B (en) | High-safety high-energy-density lithium ion battery | |
| WO2008010530A1 (en) | Lithium rechargeable battery | |
| WO2022057189A1 (en) | Solid-state battery, battery module, battery pack, and related device thereof | |
| US9240257B2 (en) | Solid, lithium-salt-doped, thermoset polyimide polymer electrolyte and electrochemical cell employing same | |
| CN103094567A (en) | Anode material of lithium fast ionic conductor compounded lithium battery and preparation method of anode material | |
| CN109167099A (en) | A kind of battery of high safety and preparation method thereof | |
| Zhang et al. | Enhanced thermostability and electrochemical performance of separators based on an organic-inorganic composite binder composed of polyvinyl alcohol and inorganic phosphate for lithium ion batteries | |
| CN104953125A (en) | Lithium ion battery inflaming retarding composite and method | |
| CN104882585B (en) | Lithium ion battery overcharges protection composition and method | |
| EP3780229A1 (en) | Additive for nonaqueous electrolyte solutions, nonaqueous electrolyte solution, and lithium ion secondary battery | |
| CN109863627A (en) | The drying means of electrode | |
| KR101580698B1 (en) | Lithium secondary battery electrodes and cells comprising thereof | |
| JP5352075B2 (en) | Lithium secondary battery | |
| JP6157967B2 (en) | Lithium secondary battery device and method for manufacturing lithium secondary battery device | |
| CN102324553A (en) | Safe lithium ion battery | |
| CN113412552A (en) | High-performance stable battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 313100 Huzhou Province, Changxing County, painted Creek Industrial Park, Bao bridge road, No. 18 Applicant after: ZHEJIANG TIANNENG ENERGY TECHNOLOGY Co.,Ltd. Address before: 313100 Huzhou Province, Changxing County, painted Creek Industrial Park, Bao bridge road, No. 18 Applicant before: ZHEJIANG TIANNENG ENERGY TECHNOLOGY Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Patentee after: Tianneng Shuai Fude Energy Co.,Ltd. Address before: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Patentee before: ZHEJIANG TIANNENG ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: No. 18 Baoqiao Road, Huaxi Industrial Park, Changxing County, Huzhou City, Zhejiang Province, 313100 Patentee after: Zhejiang Tianneng Energy Storage Technology Development Co.,Ltd. Country or region after: China Address before: No. 18 Baoqiao Road, Huaxi Industrial Park, Changxing County, Huzhou City, Zhejiang Province, 313100 Patentee before: Tianneng Shuai Fude Energy Co.,Ltd. Country or region before: China |