CN103515110A - Li2MoO3/graphene composite material, preparing method thereof and lithium ion capacitor - Google Patents
Li2MoO3/graphene composite material, preparing method thereof and lithium ion capacitor Download PDFInfo
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- CN103515110A CN103515110A CN201210211998.0A CN201210211998A CN103515110A CN 103515110 A CN103515110 A CN 103515110A CN 201210211998 A CN201210211998 A CN 201210211998A CN 103515110 A CN103515110 A CN 103515110A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 83
- 239000002131 composite material Substances 0.000 title claims abstract description 54
- 239000003990 capacitor Substances 0.000 title claims abstract description 53
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910010177 Li2MoO3 Inorganic materials 0.000 title abstract 7
- 239000000203 mixture Substances 0.000 claims abstract description 17
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 238000000498 ball milling Methods 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 238000003701 mechanical milling Methods 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000002243 precursor Substances 0.000 abstract 2
- 239000006183 anode active material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 16
- 229910052744 lithium Inorganic materials 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 9
- 239000007774 positive electrode material Substances 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920003026 Acene Polymers 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- 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
- Y02E60/13—Energy storage using capacitors
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- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention provides a Li2MoO3/graphene composite material, a preparing method thereof and a lithium ion capacitor. The preparing method comprises the following steps: (1) mixing lithium carbonate and molybdenum trioxide according to a stoichiometric ratio of 1:1, grinding for 1-5h for obtaining mixture powder; (2) adding the mixture powder into a muffle furnace, heating to the temperature of 500-700 DEG C, reacting for 3-8h, and obtaining Li2MoO3 precursor; and (3) mixing the graphene with the Li2MoO3 precursor, after grinding for 1-5h, placing the mixture in the muffle furnace which is protected by inert gas, reacting at a temperature of 500-800 DEG C for 10-24h, and obtaining the grapheme/Li2MoO3 composite material. The Li2MoO3/graphene composite material prepared according to the invention has better power density and higher capacity. The preparing method of the invention has an advantage of simple process flow. According to the lithium ion capacitor provided by the invention, the Li2MoO3/graphene composite material is used as an anode active material.
Description
Technical field
The present invention relates to electrochemical field, relate in particular to Li
2moO
3/ graphene composite material and preparation method thereof and lithium-ion capacitor.
Background technology
Lithium-ion capacitor has adopted the principle of double electric layer capacitor in design, has added lithium ion again, thereby improved the energy density of capacitor at negative pole simultaneously.Japan HeFDK company of electronics corporation of Asahi Chemical Industry all once developed the capacitor that adopts oxidate for lithium in electrolyte, but did not all realize commercialization.Favourable turn occurs in the manufacturing technology that 2005 Nian， Fuji Heavy Industries companies disclose lithium-ion capacitor: capacitor anode adopts polyacene class material, and a large amount of lithium ion that adulterates therein, and the positive electrode of capacitor is still continued to use active carbon in the past.After this ，Duo Jia manufacturer utilizes such technology, produces height output, the long-life characteristics both with double electric layer capacitor, can provide the capacitor of higher energy density again simultaneously.At the year ends 2008, Asahi Chemical Industry's electronics, ACT (senior capacitor technology), NEC, JM Energy, Deng Duo company of TAIYO YUDAN are all at exploitation lithium-ion capacitor product, and wherein the product of ACT and JM Energy two companies has entered volume production.
The main cause that the energy density of lithium-ion capacitor is improved is the voltage of capacitor unit and the increase of negative pole static capacity.The voltage of traditional capacitor is generally 2.5 ~ 3.0V, and just can bring up to 4.0V after having added lithium ion.Adopt the ordinary capacitor of same material to compare with positive pole, the unit energy of lithium-ion capacitor can improve 3.5 times.Because needs add lithium ion in capacitor unit, therefore need to increase in traditional preparation technology lithium implantation step, because lithium is very active metal, the lithium injection technology needing is had relatively high expectations.
Summary of the invention
For addressing the above problem, the present invention aims to provide a kind of Li
2moO
3/ graphene composite material and preparation method thereof and lithium-ion capacitor.Li provided by the invention
2moO
3/ graphene composite material, possesses good power density and higher capacity, can be used as the positive electrode active materials of lithium-ion capacitor.Preparation method's technological process provided by the invention is simple, and the reaction time is short.Lithium-ion capacitor provided by the invention, with Li
2moO
3/ graphene composite material is as positive electrode active materials.
First aspect, the invention provides Li
2moO
3/ graphene composite material, comprises Li
2moO
3and Graphene, Li
2moO
3mass content be 10 ~ 40%, the mass content of Graphene is 60 ~ 90%.
Li provided by the invention
2moO
3/ graphene composite material is by the graphene molecules of 2 dimensions and Li
2moO
3form Li
2moO
3the graphene molecules of the high conduction that surface attachment is a large amount of.Li provided by the invention
2moO
3/ graphene composite material possesses good conductivity, and high mechanical performance, has good power density and life-span, has higher capacity.Because Graphene in composite material is ergastic substances, Li
2moO
3do not possess energy storage characteristic, thereby in composite material, Li
2moO
3mass content be 10 ~ 40%, the mass content of Graphene is 60 ~ 90%.
Second aspect, the invention provides Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) lithium carbonate and molybdenum trioxide are mixed by stoichiometric proportion 1:1, grind 1 ~ 5h, obtain mixture powder;
(2) described mixture powder is joined in Muffle furnace, be heated to 500 ~ 700 ℃, react 3 ~ 8h, obtain Li
2moO
3presoma;
(3) get Graphene and described Li
2moO
3presoma mixes, and grinds after 1 ~ 5h, is placed in 500 ~ 800 ℃ of reaction 10 ~ 24h of Muffle furnace of inert gas shielding, obtains Graphene/Li
2moO
3composite material.
Preferably, the specific area of Graphene is 200 ~ 1500m
2/ g.
Preferably, Graphene and Li
2moO
3the mass ratio of presoma is 1.5 ~ 9:1.
Preferably, be ground to ball milling, the rotating speed of mechanical milling process is 300 ~ 1500r/min.
Preferably, inert gas is one or more the combination in nitrogen, argon gas, helium and neon.
The third aspect, the invention provides a kind of lithium-ion capacitor, and this lithium-ion capacitor comprises the Li that said method prepares
2moO
3/ graphene composite material.
Li
2moO
3/ graphene composite material is as the positive electrode active materials of lithium-ion capacitor.This Li
2moO
3/ graphene composite material, comprises Li
2moO
3and Graphene, Li
2moO
3mass content be 10 ~ 40%, the mass content of Graphene is 60 ~ 90%.
Conventionally, after lithium-ion capacitor is folded both positive and negative polarity in the process of preparation, need to add in the outside of negative pole a metal lithium sheet, like this, after packaged by short circuit or discharge and recharge to process lithium is embedded in negative material, because simple substance lithium is very active, therefore add the operation of lithium sheet under the anhydrous environment of anaerobic, to complete, this requires very strict to technological operation; Meanwhile, metal lithium sheet is the excessive generation that will cause Li dendrite in battery, causes battery short circuit, exists certain potential safety hazard.
The present invention adopts Li
2moO
3serve as lithium source, compound with high conductivity Graphene, as the positive electrode active materials of lithium-ion capacitor, therefore not needing to increase lithium sheet provides lithium again, has simplified the preparation technology of lithium-ion capacitor, has eliminated certain potential safety hazard simultaneously.In addition, Li
2moO
3after losing lithium, form Li
2-xmoO
3time can keep original crystal formation, also avoided producing oxygen at positive pole, can not cause the air-blowing of lithium-ion capacitor and scrap Li after losing lithium
2-xmoO
3also there is higher conductivity, in positive pole, can not reduce the power density of whole lithium-ion capacitor.
The invention provides Li
2moO
3/ graphene composite material and preparation method thereof and lithium-ion capacitor, have following beneficial effect:
(1) Li provided by the invention
2moO
3/ graphene composite material possesses good conductivity, and high mechanical performance, has good power density and life-span, has higher capacity;
(2) Li provided by the invention
2moO
3the preparation method of/graphene composite material is simple and quick, possesses low cost, and the feature such as technique is simple;
(3) lithium-ion capacitor provided by the invention, with Li
2moO
3/ graphene composite material, as positive electrode active materials, has been simplified the preparation technology of lithium-ion capacitor.
Accompanying drawing explanation
Fig. 1 is gained Li of the present invention
2moO
3the SEM Electronic Speculum picture of/graphene composite material.
Embodiment
The following stated is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Embodiment mono-
Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) 7.4g lithium carbonate and 14.4g molybdenum trioxide are mixed to ball milling 1h(1500r/min), obtain mixture powder;
(2) mixture powder after ball milling is joined in Muffle furnace, be heated to 700 ℃, reaction 3h, obtains Li
2moO
3presoma;
(3) getting specific area is 200m
2the Graphene of/g and Li
2moO
3presoma in mass ratio 4:6 mixes, ball milling 1h(1500r/min), ball milling is placed on 800 ℃ of reaction 10h in the Muffle furnace of inert nitrogen gas protection, obtains Li
2moO
3/ graphene composite material;
The present embodiment gained Li
2moO
3/ graphene composite material, Graphene mass content is 60%.
Fig. 1 is the present embodiment gained Li
2moO
3the SEM Electronic Speculum picture of/graphene composite material.As can be seen from Figure 1, Li
2moO
3mixed uniformly with Graphene.Like this, the Li in Graphene
2moO
3can in charge and discharge process, provide lithium ion, make lithium-ion capacitor normal operation.
By the present embodiment gained Li
2moO
3/ graphene composite material is assembled into lithium-ion capacitor as positive electrode active materials: take 9.0g Li
2moO
3/ graphene composite material, 0.5g conductive agent SP and 0.5g PVDF, fully stir and make it to become the slurry mixing.Then by its blade coating on the aluminium foil cleaning through ethanol, under the vacuum of 0.01MPa, 100 ℃ are dried to constant weight, and are pressed into Li in 10 ~ 15MPa pressure lower roll
2moO
3/ graphene composite material electrode, and be cut into positive plate.Take 8.5g graphite, 0.5g conductive agent SP and 0.5g PVDF, with the method for preparing positive plate, make negative plate.By positive plate, barrier film, negative plate in order stack of laminations dress up battery core, then use battery housing seal battery core, subsequently toward by liquid injection port toward the LiPF that injects 1mol/L in battery container
6/ dimethyl carbonate electrolyte, sealing liquid injection port, obtains lithium-ion capacitor.
The lithium-ion capacitor of above-mentioned preparation is carried out under the current density of 0.1C to charge discharge test, the energy density that records the present embodiment lithium-ion capacitor is 56wh/kg.
Embodiment bis-
Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) 14.8g lithium carbonate and 28.8g molybdenum trioxide are mixed to ball milling 5h(300r/min), obtain mixture powder;
(2) mixture powder after ball milling is joined in Muffle furnace, be heated to 500 ℃, reaction 8h, obtains Li
2moO
3presoma;
(3) getting specific area is 400m
2the Graphene of/g and Li
2moO
3presoma in mass ratio 3:7 mixes, ball milling 2h(300r/min), ball milling is placed on 500 ℃ of reaction 24h in the Muffle furnace of inert nitrogen gas protection, obtains Li
2moO
3/ graphene composite material;
The present embodiment gained Li
2moO
3/ graphene composite material, Graphene mass content is 70%.
By the present embodiment gained Li
2moO
3/ graphene composite material is assembled into lithium-ion capacitor (making with reference to embodiment mono-) as positive electrode, carries out charge discharge test under the current density of 0.1C, and the energy density that records the present embodiment lithium-ion capacitor is 69wh/kg.
Embodiment tri-
Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) 11.1g lithium carbonate and 21.6g molybdenum trioxide are mixed to ball milling 2h(1200r/min), obtain mixture powder;
(2) mixture powder after ball milling is joined in Muffle furnace, be heated to 650 ℃, reaction 4h, obtains Li
2moO
3presoma;
(3) getting specific area is 800m
2the Graphene of/g and Li
2moO
3presoma in mass ratio 2:8 mixes, ball milling 3h(1200r/min), ball milling is placed on 600 ℃ of reaction 20h in the Muffle furnace of inert nitrogen gas protection, obtains Li
2moO
3/ graphene composite material;
The present embodiment gained Li
2moO
3/ graphene composite material, Graphene mass content is 80%.
By the present embodiment gained Li
2moO
3/ graphene composite material is assembled into lithium-ion capacitor (making with reference to embodiment mono-) as positive electrode, carries out charge discharge test under the current density of 0.1C, and the energy density that records the present embodiment lithium-ion capacitor is 58wh/kg.
Embodiment tetra-
Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) 22.2g lithium carbonate and 43.2g molybdenum trioxide are mixed to ball milling 3h(1000r/min), obtain mixture powder;
(2) mixture powder after ball milling is joined in Muffle furnace, be heated to 650 ℃, reaction 4h, obtains Li
2moO
3presoma;
(3) getting specific area is 1000m
2the Graphene of/g and Li
2moO
3presoma in mass ratio 1:9 mixes, ball milling 4h(1000r/min), ball milling is placed on 700 ℃ of reaction 12h in the Muffle furnace of inert nitrogen gas protection, obtains Li
2moO
3/ graphene composite material;
The present embodiment gained Li
2moO
3/ graphene composite material, Graphene mass content is 90%.
By the present embodiment gained Li
2moO
3/ graphene composite material is assembled into lithium-ion capacitor (making with reference to embodiment mono-) as positive electrode, carries out charge discharge test under the current density of 0.1C, and the energy density that records the present embodiment lithium-ion capacitor is 62wh/kg.
Embodiment five
Li
2moO
3the preparation method of/graphene composite material, comprises the following steps:
(1) 59.2g lithium carbonate and 115.2g molybdenum trioxide are mixed to ball milling 4h(800r/min), obtain mixture powder;
(2) mixture powder after ball milling is joined in Muffle furnace, be heated to 550 ℃, reaction 7h, obtains Li
2moO
3presoma;
(3) getting specific area is 1500m
2the Graphene of/g and Li
2moO
3presoma in mass ratio 1:3 mixes, ball milling 5h(800r/min), ball milling is placed on 650 ℃ of reaction 15h in the Muffle furnace of inert nitrogen gas protection, obtains Li
2moO
3/ graphene composite material;
The present embodiment gained Li
2moO
3/ graphene composite material, Graphene mass content is 75%.
By the present embodiment gained Li
2moO
3/ graphene composite material is assembled into lithium-ion capacitor (making with reference to embodiment mono-) as positive electrode, carries out charge discharge test under the current density of 0.1C, and the energy density that records the present embodiment lithium-ion capacitor is 57wh/kg.
The Li that the embodiment of the present invention makes
2moO
3/ graphene composite material, as the positive electrode active materials of lithium-ion capacitor, not needing to increase lithium sheet provides lithium source, has simplified the preparation technology of lithium-ion capacitor, and resulting lithium-ion capacitor energy density is high, safe.
Claims (7)
1.Li
2moO
3/ graphene composite material, is characterized in that, comprises Li
2moO
3and Graphene, described Li
2moO
3mass content be 10 ~ 40%, the mass content of described Graphene is 60 ~ 90%.
2.Li
2moO
3the preparation method of/graphene composite material, is characterized in that, comprises the following steps:
(1) lithium carbonate and molybdenum trioxide are mixed by stoichiometric proportion 1:1, grind 1 ~ 5h, obtain mixture powder;
(2) described mixture powder is joined in Muffle furnace, be heated to 500 ~ 700 ℃, react 3 ~ 8h, obtain Li
2moO
3presoma;
(3) get Graphene and described Li
2moO
3presoma mixes, and grinds after 1 ~ 5h, is placed in 500 ~ 800 ℃ of reaction 10 ~ 24h of Muffle furnace of inert gas shielding, obtains Graphene/Li
2moO
3composite material.
3. method as claimed in claim 2, is characterized in that, the specific area of described Graphene is 200 ~ 1500m
2/ g.
4. method as claimed in claim 2, is characterized in that, described Graphene and described Li
2moO
3the mass ratio of presoma is 1.5 ~ 9:1.
5. method as claimed in claim 2, is characterized in that, described in be ground to ball milling, the rotating speed of described mechanical milling process is 300 ~ 1500r/min.
6. method as claimed in claim 2, is characterized in that, described inert gas is one or more the combination in nitrogen, argon gas, helium and neon.
7. a lithium-ion capacitor, is characterized in that, comprises the Li that method prepares as described in claim 2 ~ 6 any one
2moO
3/ graphene composite material, described Li
2moO
3/ graphene composite material comprises Li
2moO
3and Graphene, described Li
2moO
3mass content be 10 ~ 40%, the mass content of described Graphene is 60 ~ 90%.
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|---|---|---|---|
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|---|---|---|---|
| CN201210211998.0A CN103515110A (en) | 2012-06-26 | 2012-06-26 | Li2MoO3/graphene composite material, preparing method thereof and lithium ion capacitor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206046A (en) * | 2016-07-31 | 2016-12-07 | 肖丽芳 | A kind of Graphene is combined Li2moO3the preparation method of positive electrode |
| CN106229150A (en) * | 2016-08-16 | 2016-12-14 | 肖丽芳 | A kind of preparation method of lithium ion capacitor anode plate |
| CN107195474A (en) * | 2016-07-31 | 2017-09-22 | 肖丽芳 | A kind of preparation method of lithium-ion capacitor graphene anode composite piece |
| CN107195463A (en) * | 2016-07-31 | 2017-09-22 | 肖丽芳 | One kind contains Li2MoO3The preparation method of coating positive plate |
| CN107565099A (en) * | 2016-06-30 | 2018-01-09 | 上海比亚迪有限公司 | A kind of positive electrode active materials and preparation method thereof and a kind of lithium ion battery |
| WO2018023325A1 (en) * | 2016-07-31 | 2018-02-08 | 肖丽芳 | Preparation method for graphene composite positive electrode material comprising alcohol-based lithium |
| WO2018023326A1 (en) * | 2016-07-31 | 2018-02-08 | 肖丽芳 | Method for preparing graphene composite cathode material of lithium ion supercapacitor |
| WO2018023324A1 (en) * | 2016-07-31 | 2018-02-08 | 肖丽芳 | Preparation method for graphene composite positive electrode sheet of lithium ion capacitor |
| WO2018023323A1 (en) * | 2016-07-31 | 2018-02-08 | 肖丽芳 | Preparation method for positive electrode sheet comprising li2moo3 coating |
| WO2018023321A1 (en) * | 2016-07-31 | 2018-02-08 | 肖丽芳 | Preparation method for positive electrode sheet containing lithium-ion conductive polymer coating |
| WO2018032322A1 (en) * | 2016-08-16 | 2018-02-22 | 肖丽芳 | Method for manufacturing positive electrode of lithium-ion capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847764A (en) * | 2010-02-26 | 2010-09-29 | 上海奥威科技开发有限公司 | High-specific-energy/high-specific-power type super battery |
| US20120050950A1 (en) * | 2010-08-31 | 2012-03-01 | Samsung Electro-Mechanics Co., Ltd. | Lithium ion capacitor |
| WO2012046938A1 (en) * | 2010-10-04 | 2012-04-12 | 전자부품연구원 | Cathode active material for a lithium ion capacitor, and method for producing the cathode active material |
-
2012
- 2012-06-26 CN CN201210211998.0A patent/CN103515110A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847764A (en) * | 2010-02-26 | 2010-09-29 | 上海奥威科技开发有限公司 | High-specific-energy/high-specific-power type super battery |
| US20120050950A1 (en) * | 2010-08-31 | 2012-03-01 | Samsung Electro-Mechanics Co., Ltd. | Lithium ion capacitor |
| WO2012046938A1 (en) * | 2010-10-04 | 2012-04-12 | 전자부품연구원 | Cathode active material for a lithium ion capacitor, and method for producing the cathode active material |
Non-Patent Citations (2)
| Title |
|---|
| MERYL D. STOLLER 等: "Activated graphene as a cathode material for Li-ion hybrid supercapacitors", 《PHYS. CHEM. CHEM. PHYS》 * |
| MIN-SIK PARK 等: "A Novel Lithium-Doping Approach for an Advanced Lithium Ion Capacitor", 《ADV. ENERGY MATER》 * |
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