CN102610825A - Manufacturing method of cathode electrode plate for lithium battery - Google Patents
Manufacturing method of cathode electrode plate for lithium battery Download PDFInfo
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- CN102610825A CN102610825A CN2012100819589A CN201210081958A CN102610825A CN 102610825 A CN102610825 A CN 102610825A CN 2012100819589 A CN2012100819589 A CN 2012100819589A CN 201210081958 A CN201210081958 A CN 201210081958A CN 102610825 A CN102610825 A CN 102610825A
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- 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
Abstract
The invention discloses a manufacturing method of a cathode electrode plate for a lithium battery, comprising the following steps: evenly mixing active graphite, LiV3O8, activated carbon black powder and binder according to certain mass ratio to form a mixture; pressing the mixture and a copper mesh at 330-350 degrees centigrade under a condition of pressure of 20-30 Mpa to form an electrode plate for the lithium battery, then drying at 80-120 degrees centigrade in vacuum; putting the dried electrode plate into concentrated sulfuric acid, processing for 8-12 h, cleaning with deionized water, drying, then putting into a muffle furnace, and drying at 180-240 degrees centigrade for 4-6 h to manufacture the cathode electrode plate for the lithium battery. Compared with the prior art, in the manufacturing method of the cathode electrode plate for the lithium battery, the graphitized carbon black and LiV3O8 is added into the active graphite to produce cathode materials for the lithium battery, therefore, specific surface area of a graphite electrode is increased to increase path of current transmission, enhance conductively of the electrode, prolong service life and adapt to electrolyte.
Description
Technical field
The present invention relates to the battery production field, exactly be meant the manufacture method of a kind of lithium battery with negative el.
Background technology
The energy and environment are that the mankind stride into two severe problems that 21 century faces, and tap a new source of energy and renewable and clean energy resource is one of material technical field of tool of World Economics.Lithium ion battery since its have operating voltage height, light weight, outstanding advantages such as specific energy is big, self discharge is little, have extended cycle life, memory-less effect, non-environmental-pollution; Becoming the ideal source of various fields, also is the first-selected power supply of following electric automobile high-energy power battery.
Negative el has important role as the important component part of lithium battery.What utilization was more at present is native graphite, the structural integrity of graphite, and embedding lithium position is many; So capacity is high, be that very desirable lithium battery is used negative material, but it still have significant disadvantages; As: responsive to electrolyte, heavy-current discharge performance is poor, shortcomings such as cycle life difference.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is to provide the manufacture method of a kind of lithium battery with negative el, carbon black and LiV after adding graphitization in the activation graphite
3O
8Produce lithium battery and use negative material, increase performances such as the conductivity of the path of current delivery, intensifier electrode, cycle life and adaptation electrolyte to reach the specific area that increases graphite electrode.
In order to solve above technical problem, lithium battery provided by the invention may further comprise the steps with the manufacture method of negative el:
(1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix according to following mass ratio, forms mixture:
(2) under 330 ℃ of-350 ℃ of conditions, mixture and copper mesh are pressed into lithium battery with the pressure of 20MPa-30MPa and use battery lead plate, oven dry under 80 ℃-120 ℃ vacuum condition then;
(3) battery lead plate with oven dry is placed on and handles 8h-12h in the concentrated sulfuric acid, clean oven dry with deionized water after, be put into again in the Muffle furnace, be 180 ℃-240 ℃ in temperature and make lithium battery behind the baking 4-6h down and use negative el.
Preferably, in the step (1), the preparation process of activation carbon powder is following:
(S1) hard (carbon) black is placed in the environment that is full of argon shield gas graphitization behind constant temperature 60min 70min under 2500 ℃ of-3000 ℃ of high temperature;
(S2) graphited carbon black is worn into the powdery below 120 orders;
(S3) carbon powder is heated to 800-950 ℃ in nitrogen, stirs adding H gradually
2O
2, kept 2-3 hour the room temperature cooling then at 75-95 ℃;
(S4) carbon powder 80-120 ℃ of oven dry under vacuum condition.
Preferably, in the step (S1), during intensification: room temperature-1300 ℃ section heats up according to 350-400 ℃/h; 1300-2000 ℃ of section heats up according to 100-150 ℃/h; 2000 ℃-highest temperature section heats up according to 400-500 ℃/h, is incubated 0.8-1.5 hour then.
4, lithium battery according to claim 2 is characterized in that with the manufacture method of negative el, and the middle graphited carbon black of step (S2) is worn into the powdery below 100 orders.
Preferably, in the step (1), LiV
3O
8The preparation process following:
(P1) with NH
4VO
3Carry out " quenching " and handle, obtain V
2O
5Colloidal sol;
(P2) with V
2O
5Colloidal sol and LiOH solution are by stoichiometric proportion 1.5-2.5: 1 mixes;
(P3) then under the high temperature more than 650-1000 ℃, after frit reaction 8-12 hour, the alloy liquid of fusion is dropped into quench cooled in the frozen water, drying at room temperature rapidly;
(P4) under 180-280 ℃ temperature, heat-treat, be ground to the powdery below 200 orders.
Preferably, in the step (1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix through electromagnetic stirrer.
Preferably, in the step (2), said binding agent is the PVdF/N-methyl pyrrolidone; Mixture is heated to 330-340 ℃; After treating that binding agent melts, with the pressure pressure of 14MPa-18MPa mixture and copper mesh are pressed into lithium battery and use battery lead plate, in 100 ℃ of oven dry of vacuum condition.
Preferably, the mass fraction of the concentrated sulfuric acid is 70%-98% in the step (3).
Preferably, be placed in the concentrated sulfuric acid battery lead plate of drying clean behind the processing 10h in the step (3) with deionized water.
Preferably, be put into activation in the Muffle furnace again after the lithium battery anode battery lead plate need be dried in the step (3), temperature be 220 ℃ down behind the baking 4-5h.
Lithium battery provided by the invention is with the manufacture method of negative el, with active graphite, LiV
3O
8, activation carbon powder, binding agent evenly form mixture according to the certain mass mixed; Under 330 ℃ of-350 ℃ of conditions, mixture and copper mesh are pressed into lithium battery with the pressure of 20MPa-30MPa and use battery lead plate, oven dry under 80 ℃-120 ℃ vacuum condition then; The battery lead plate of oven dry is placed on and handles 8h-12h in the concentrated sulfuric acid, clean oven dry with deionized water after, be put into again in the Muffle furnace, be 180 ℃-240 ℃ in temperature and make lithium battery behind the baking 4-6h down and use negative el.Compared with prior art, lithium battery provided by the invention is with the manufacture method of negative el, carbon black and LiV after adding graphitization in the activation graphite
3O
8Produce lithium battery and use negative material, increase performances such as the conductivity of the path of current delivery, intensifier electrode, cycle life and adaptation electrolyte to reach the specific area that increases graphite electrode.
Description of drawings
The lithium battery that Fig. 1 provides for the embodiment of the invention is with the process chart of the manufacture method of negative el.
Embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the process chart of lithium battery provided by the invention with the manufacture method of negative el.
Embodiment 1
The lithium battery that present embodiment provides may further comprise the steps with the manufacture method of negative el:
(1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix through electromagnetic stirrer according to following mass ratio, forms mixture, wherein binding agent is the PVdF/N-methyl pyrrolidone:
(2) with the pressure of 20MPa under 330 ℃ of conditions, treat that binding agent melts after, mixture and copper mesh are pressed into lithium battery use battery lead plate; Can obtain fine and close vanadium cell battery lead plate; Prevent leakage, oven dry under 80 ℃ vacuum condition then, prevents the generation of crackle at anti-oxidation;
(3) battery lead plate of oven dry being placed on mass fraction is to clean with deionized water after handling 8h in 70% the concentrated sulfuric acid, and pole plate is placed on and handles in the concentrated sulfuric acid is that electrode plate surface is carried out chemical treatment, can improve its electro-chemical activity; The negative el of lithium battery is put in the Muffle furnace after need drying again, is 180 ℃ in temperature and just makes after the baking 4 down.
In step (1), the preparation process of activation carbon powder is following in addition:
(S1) hard (carbon) black is placed in the environment that is full of argon shield gas, graphitization behind constant temperature 60min-70min under 2500 ℃ of-3000 ℃ of high temperature, during intensification: room temperature-1300 ℃ section heats up according to 350-400 ℃/h; 1300-2000 ℃ of section heats up according to 100-150 ℃/h; 2000 ℃-highest temperature section heats up according to 400-500 ℃/h, is incubated 0.8 hour then;
(S2) graphited carbon black is worn into the powdery below 120 orders;
(S3) carbon powder is heated to 800 ℃ in nitrogen, stirs the adding hydrogen peroxide solution gradually, kept 2 hours at 75 ℃ then, the room temperature cooling; Carbon black belongs to the carbon materials of oleophylic; Adopt aqueous binders to prepare battery material, carbon black is dispersed very poor in slurry, with hydrogen peroxide solution carbon black is carried out oxidation, activation processing; Can increase specific area, the reduction resistance of carbon black, improve hydrophily, conductivity and the cycle characteristics of carbon black;
(S4) carbon powder 80 ℃ of oven dry under vacuum condition.
So-called graphitization is to place baked article that protective medium is heated to high temperature in the graphitizing furnace; So-called graphitization makes hexagonal carbon atomic plane network become three-dimensional overlapping elevated temperature heat heat treatment process with graphite-structure in order from two-dimensional space unordered overlapping exactly.Be exactly to pass through high temperature process to carbon black, thereby increase conductivity, reduce the resistivity of carbon black.
Further, in the step (1), LiV
3O
8The preparation process following:
(P1) with NH
4VO
3Carry out " quenching " and handle, obtain V
2O
5Colloidal sol;
(P2) with V
2O
5Colloidal sol and LiOH solution mix by stoichiometric proportion at 1.5: 1;
(P3) then under the high temperature more than 650 ℃, frit reaction is after 8 hours, and the alloy liquid of fusion is dropped into quench cooled in the frozen water, drying at room temperature rapidly; Under the high temperature, the volatilization degree of lithium and vanadium is different and barium oxide is different to the corrosion equal loss degree of vessel, makes the ratio of lithium and vanadium be difficult to control, and the product that obtains also evenly differs, and degree of crystallinity is high, and its structure is unfavorable for bringing into play LiV
3O
8High capacity characteristics, specific capacity is low, cycle characteristics is poor, the available high temperature fast technological means of cooling improves the conventional high-temperature solid phase method, effect is remarkable; Residual fraction hydrone in the product, these hydrones and LiV
3O
8Tight in conjunction with very, residual hydrone had both increased LiV
3O
8Interlamellar spacing, increased the diffusion admittance of Li+ again, help the embedding of Li+;
(P4) under 180-280 ℃ temperature, heat-treat, be ground to the powdery below 200 orders.
Graphited carbon black is worn into below 120 orders LiV
3O
8The powdery that is milled to below 200 orders is fully to mix in order to let, and increases the interlamellar spacing of electrode, is beneficial to the embedding of Li+.
Embodiment 2
The lithium battery that present embodiment provides may further comprise the steps with the manufacture method of negative el:
(1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix through electromagnetic stirrer according to following mass ratio, forms mixture, wherein binding agent is the PVdF/N-methyl pyrrolidone:
(2) with the pressure of 30MPa under 350 ℃ of conditions, treat that binding agent melts after, mixture and copper mesh are pressed into lithium battery use battery lead plate; Can obtain fine and close vanadium cell battery lead plate; Prevent leakage, oven dry under 120 ℃ vacuum condition then, prevents the generation of crackle at anti-oxidation;
(3) battery lead plate of oven dry being placed on mass fraction is to clean with deionized water after handling 12h in 98% the concentrated sulfuric acid, and pole plate is placed on and handles in the concentrated sulfuric acid is that electrode plate surface is carried out chemical treatment, can improve its electro-chemical activity; The negative el of lithium battery is put in the Muffle furnace after need drying again, is 240 ℃ in temperature and just makes behind the baking 6h down.
In step (1), the preparation process of activation carbon powder is following in addition:
(S1) hard (carbon) black is placed in the environment that is full of argon shield gas, graphitization behind constant temperature 60min-70min under 2500 ℃ of-3000 ℃ of high temperature, during intensification: room temperature-1300 ℃ section heats up according to 350-400 ℃/h; 1300-2000 ℃ of section heats up according to 100-150 ℃/h; 2000 ℃-highest temperature section heats up according to 400-500 ℃/h, is incubated 1.5 hours then;
(S2) graphited carbon black is worn into the powdery below 100 orders;
(S3) carbon powder is heated to 950 ℃ in nitrogen, stirs the adding hydrogen peroxide solution gradually, kept 3 hours at 95 ℃ then, the room temperature cooling; Carbon black belongs to the carbon materials of oleophylic; Adopt aqueous binders to prepare battery material, carbon black is dispersed very poor in slurry, with hydrogen peroxide solution carbon black is carried out oxidation, activation processing; Can increase specific area, the reduction resistance of carbon black, improve hydrophily, conductivity and the cycle characteristics of carbon black;
(S4) carbon powder 120 ℃ of oven dry under vacuum condition.
So-called graphitization is to place baked article that protective medium is heated to high temperature in the graphitizing furnace; So-called graphitization makes hexagonal carbon atomic plane network become three-dimensional overlapping elevated temperature heat heat treatment process with graphite-structure in order from two-dimensional space unordered overlapping exactly.Be exactly to pass through high temperature process to carbon black, thereby increase conductivity, reduce the resistivity of carbon black.
Further, in the step (1), LiV
3O
8The preparation process following:
(P1) with NH
4VO
3Carry out " quenching " and handle, obtain V
2O
5Colloidal sol;
(P2) with V
2O
5Colloidal sol and LiOH solution mix by stoichiometric proportion at 2.5: 1;
(P3) then under the high temperature more than 1000 ℃, frit reaction is after 12 hours, and the alloy liquid of fusion is dropped into quench cooled in the frozen water, drying at room temperature rapidly; Under the high temperature, the volatilization degree of lithium and vanadium is different and barium oxide is different to the corrosion equal loss degree of vessel, makes the ratio of lithium and vanadium be difficult to control, and the product that obtains also evenly differs, and degree of crystallinity is high, and its structure is unfavorable for bringing into play LiV
3O
8High capacity characteristics, specific capacity is low, cycle characteristics is poor, the available high temperature fast technological means of cooling improves the conventional high-temperature solid phase method, effect is remarkable; Residual fraction hydrone in the product, these hydrones and LiV
3O
8Tight in conjunction with very, residual hydrone had both increased LiV
3O
8Interlamellar spacing, increased the diffusion admittance of Li+ again, help the embedding of Li+;
(P4) under 180-280 ℃ temperature, heat-treat, be ground to the powdery below 200 orders.
Graphited carbon black is worn into below 100 orders LiV
3O
8The powdery that is milled to below 200 orders is fully to mix in order to let, and increases the interlamellar spacing of electrode, is beneficial to the embedding of Li+.
Embodiment 3
The lithium battery that present embodiment provides may further comprise the steps with the manufacture method of negative el:
(1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix through electromagnetic stirrer according to following mass ratio, forms mixture, wherein binding agent is the PVdF/N-methyl pyrrolidone:
(2) with the pressure of 25MPa under 340 ℃ of conditions, treat that binding agent melts after, mixture and copper mesh are pressed into lithium battery use battery lead plate; Can obtain fine and close vanadium cell battery lead plate; Prevent leakage, oven dry under 100 ℃ vacuum condition then, prevents the generation of crackle at anti-oxidation;
(3) battery lead plate of oven dry being placed on mass fraction is to clean with deionized water after handling 10h in 90% the concentrated sulfuric acid, and pole plate is placed on and handles in the concentrated sulfuric acid is that electrode plate surface is carried out chemical treatment, can improve its electro-chemical activity; The negative el of lithium battery is put in the Muffle furnace after need drying again, is 220 ℃ in temperature and just makes behind the baking 5h down.
In step (1), the preparation process of activation carbon powder is following in addition:
(S1) hard (carbon) black is placed in the environment that is full of argon shield gas, graphitization behind constant temperature 65min under 2800 ℃ of high temperature, during intensification: room temperature-1300 ℃ section heats up according to 350-400 ℃/h; 1300-2000 ℃ of section heats up according to 100-150 ℃/h; 2000 ℃-highest temperature section heats up according to 400-500 ℃/h, is incubated 0.8-1.5 hour then;
(S2) graphited carbon black is worn into the powdery below 80 orders;
(S3) carbon powder is heated to 900 ℃ in nitrogen, stirs the adding hydrogen peroxide solution gradually, kept 2.5 hours at 85 ℃ then, the room temperature cooling; Carbon black belongs to the carbon materials of oleophylic; Adopt aqueous binders to prepare battery material, carbon black is dispersed very poor in slurry, with hydrogen peroxide solution carbon black is carried out oxidation, activation processing; Can increase specific area, the reduction resistance of carbon black, improve hydrophily, conductivity and the cycle characteristics of carbon black;
(S4) carbon powder 100 ℃ of oven dry under vacuum condition.
So-called graphitization is to place baked article that protective medium is heated to high temperature in the graphitizing furnace; So-called graphitization makes hexagonal carbon atomic plane network become three-dimensional overlapping elevated temperature heat heat treatment process with graphite-structure in order from two-dimensional space unordered overlapping exactly.Be exactly to pass through high temperature process to carbon black, thereby increase conductivity, reduce the resistivity of carbon black.
Further, in the step (1), LiV
3O
8The preparation process following:
(P1) with NH
4VO
3Carry out " quenching " and handle, obtain V
2O
5Colloidal sol;
(P2) with V
2O
5Colloidal sol and LiOH solution mix by stoichiometric proportion at 2: 1;
(P3) then under the high temperature more than 800 ℃, frit reaction is after 10 hours, and the alloy liquid of fusion is dropped into quench cooled in the frozen water, drying at room temperature rapidly; Under the high temperature, the volatilization degree of lithium and vanadium is different and barium oxide is different to the corrosion equal loss degree of vessel, makes the ratio of lithium and vanadium be difficult to control, and the product that obtains also evenly differs, and degree of crystallinity is high, and its structure is unfavorable for bringing into play LiV
3O
8High capacity characteristics, specific capacity is low, cycle characteristics is poor, the available high temperature fast technological means of cooling improves the conventional high-temperature solid phase method, effect is remarkable; Residual fraction hydrone in the product, these hydrones and LiV
3O
8Tight in conjunction with very, residual hydrone had both increased LiV
3O
8Interlamellar spacing, increased the diffusion admittance of Li+ again, help the embedding of Li+;
(P4) under 180-280 ℃ temperature, heat-treat, be ground to the powdery below 200 orders.
Graphited carbon black is worn into below 120 orders LiV
3O
8The powdery that is milled to below 200 orders is fully to mix in order to let, and increases the interlamellar spacing of electrode, is beneficial to the embedding of Li+.
Compared with prior art, lithium battery provided by the invention is with the manufacture method of negative el, carbon black and LiV after adding graphitization in the activation graphite
3O
8Produce lithium battery and use negative material, increase performances such as the conductivity of the path of current delivery, intensifier electrode, cycle life and adaptation electrolyte to reach the specific area that increases graphite electrode.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a lithium battery is characterized in that with the manufacture method of negative el, may further comprise the steps:
(1) with active graphite, LiV
30
8, activation carbon powder, binding agent mix according to following mass ratio, forms mixture:
(2) under 330 ℃ of-350 ℃ of conditions, mixture and copper mesh are pressed into lithium battery with the pressure of 20MPa-30MPa and use battery lead plate, oven dry under 80 ℃-120 ℃ vacuum condition then;
(3) battery lead plate with oven dry is placed on and handles 8h-12h in the concentrated sulfuric acid, clean oven dry with deionized water after, be put into again in the Muffle furnace, be 180 ℃-240 ℃ in temperature and make lithium battery behind the baking 4-6h down and use negative el.
2. lithium battery according to claim 1 is characterized in that with the manufacture method of negative el in the step (1), the preparation process of activation carbon powder is following:
(S1) hard (carbon) black is placed in the environment that is full of argon shield gas graphitization behind constant temperature 60min-70min under 2500 ℃ of-3000 ℃ of high temperature;
(S2) graphited carbon black is worn into the powdery below 120 orders;
(S3) carbon powder is heated to 800-950 ℃ in nitrogen, stirs adding H gradually
2O
2, kept 2-3 hour the room temperature cooling then at 75-95 ℃;
(S4) carbon powder 80-120 ℃ of oven dry under vacuum condition.
3. lithium battery according to claim 2 is characterized in that with the manufacture method of negative el, and in the step (S1), during intensification: room temperature-1300 ℃ section heats up according to 350-400 ℃/h; 1300-2000 ℃ of section heats up according to 100-150 ℃/h; 2000 ℃-highest temperature section heats up according to 400-500 ℃/h, is incubated 0.8-1.5 hour then.
4. lithium battery according to claim 2 is characterized in that with the manufacture method of negative el the middle graphited carbon black of step (S2) is worn into the powdery below 100 orders.
5. lithium battery according to claim 1 is characterized in that with the manufacture method of negative el, in the step (1), and LiV
3O
8The preparation process following:
(P1) with NH
4VO
3Carry out " quenching " and handle, obtain V
2O
5Colloidal sol;
(P2) with V
2O
5Colloidal sol and LiOH solution are by stoichiometric proportion 1.5-2.5: 1 mixes;
(P3) then under the high temperature more than 650-1000 ℃, after frit reaction 8-12 hour, the alloy liquid of fusion is dropped into quench cooled in the frozen water, drying at room temperature rapidly;
(P4) under 180-280 ℃ temperature, heat-treat, be ground to the powdery below 200 orders.
6. lithium battery according to claim 1 is characterized in that with the manufacture method of negative el, in the step (1) with active graphite, LiV
3O
8, activation carbon powder, binding agent mix through electromagnetic stirrer.
7. lithium battery according to claim 1 is with the manufacture method of negative el; It is characterized in that in the step (2), said binding agent is the PVdF/N-methyl pyrrolidone; Mixture is heated to 330-340 ℃; After treating that binding agent melts, with the pressure pressure of 14MPa-18MPa mixture and copper mesh are pressed into lithium battery and use battery lead plate, in 100 ℃ of oven dry of vacuum condition.
8. lithium battery according to claim 1 is characterized in that with the manufacture method of negative el the mass fraction of the concentrated sulfuric acid is 70%-98% in the step (3).
9. lithium battery according to claim 1 is characterized in that with the manufacture method of negative el the battery lead plate with oven dry in the step (3) is placed in the concentrated sulfuric acid clean with deionized water behind the processing 10h.
10. lithium battery according to claim 1 is with the manufacture method of negative el; It is characterized in that; Battery lead plate with oven dry in the step (3) is placed on and handles 10h in the concentrated sulfuric acid; After the clean oven dry of deionized water, be put into again in the Muffle furnace, under temperature is 220 ℃, make lithium battery behind the baking 4-5h and use negative el.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103606680A (en) * | 2013-12-05 | 2014-02-26 | 萝北百吉瑞新能源有限公司 | Preparation method of natural graphite composite N-doped carbon nanofibers webs cathode material |
| CN104043808A (en) * | 2014-06-20 | 2014-09-17 | 北京科技大学 | Copper wire mesh composite high silicon iron base alloy plate electrode and manufacturing method thereof |
| CN110964349A (en) * | 2018-09-30 | 2020-04-07 | 山东欧铂新材料有限公司 | Oxidation modified carbon black and preparation method thereof |
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| CN101221853A (en) * | 2007-12-13 | 2008-07-16 | 复旦大学 | Semi-solid state or full-solid state water system super capacitor |
| CN101656329A (en) * | 2009-09-22 | 2010-02-24 | 西安交通大学 | Preparation method of inorganic aqueous solution lithium ion battery |
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| US5039582A (en) * | 1989-04-12 | 1991-08-13 | Consiglio Nazionale Delle Ricerche | High energy and high power lithium storage batteries, and method for producing the same |
| CN101221853A (en) * | 2007-12-13 | 2008-07-16 | 复旦大学 | Semi-solid state or full-solid state water system super capacitor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606680A (en) * | 2013-12-05 | 2014-02-26 | 萝北百吉瑞新能源有限公司 | Preparation method of natural graphite composite N-doped carbon nanofibers webs cathode material |
| CN104043808A (en) * | 2014-06-20 | 2014-09-17 | 北京科技大学 | Copper wire mesh composite high silicon iron base alloy plate electrode and manufacturing method thereof |
| CN104043808B (en) * | 2014-06-20 | 2016-04-13 | 北京科技大学 | One adds copper mesh compound high silicon iron-base alloy battery lead plate and manufacture method thereof |
| CN110964349A (en) * | 2018-09-30 | 2020-04-07 | 山东欧铂新材料有限公司 | Oxidation modified carbon black and preparation method thereof |
| CN110964349B (en) * | 2018-09-30 | 2021-08-17 | 山东欧铂新材料有限公司 | Oxidation modified carbon black and preparation method thereof |
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| CN102610825B (en) | 2015-06-17 |
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