CN105161309A - Lithium ion hybrid capacitor - Google Patents
Lithium ion hybrid capacitor Download PDFInfo
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- CN105161309A CN105161309A CN201510589814.8A CN201510589814A CN105161309A CN 105161309 A CN105161309 A CN 105161309A CN 201510589814 A CN201510589814 A CN 201510589814A CN 105161309 A CN105161309 A CN 105161309A
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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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Abstract
A lithium ion hybrid capacitor is disclosed. The lithium ion hybrid capacitor is obtained by winding or laminating a positive electrode slice, a negative electrode slice and a membrane arranged between the positive electrode slice and the negative electrode slice; the positive electrode slice comprises a positive electrode current collector and a positive electrode coating layer coated on the positive electrode current collector; the negative electrode slice comprises a negative electrode current collector and a negative electrode coating layer coated on the negative electrode current collector; the positive electrode coating layer comprises a positive electrode active material, a conductive agent and a binder; the negative electrode coating layer comprises a negative electrode active material, a conductive agent and a binder; and the pre-embedded lithium capacity of the negative electrode is 40-80% of the capacity, relative to the metal lithium electrode, within a potential range of 0.01-1.5V, and the capability satisfies the following formula: Cn*mn = n*Cp*mp.
Description
Technical field
The present invention relates to a kind of electrochemical energy storing device, particularly relate to a kind of lithium ion hybrid capacitors.
Background technology
Lithium-ion capacitor is a kind of novel power-type energy storage device, compared with lithium ion battery its high-multiplying power discharge and cycle life better, 3-6 can be improved doubly with the ultracapacitor phase specific energy density of electric double layer.But, lithium-ion capacitor needs at the pre-embedded part lithium of negative pole, the consumption of negative pole lithium in formation process can be compensated on the one hand, the current potential of lithium-ion capacitor positive pole and negative pole at work can be regulated and controled on the other hand, thus make lithium-ion capacitor have higher energy density and the cycle life of Geng Jia.
Summary of the invention
The object of this invention is to provide a kind of lithium ion hybrid capacitors, improve energy density and the cycle life of lithium-ion capacitor.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
Lithium ion hybrid capacitors, comprise housing, be placed in the battery core of enclosure interior and be impregnated in the electrolyte in battery core, described battery core is by anode electrode sheet, negative electricity pole piece and is placed in barrier film between anode electrode sheet and negative electricity pole piece by reel or the mode of lamination obtains.Described anode electrode sheet comprises plus plate current-collecting body and is coated on the positive pole coating layer on plus plate current-collecting body.Described negative electricity pole piece comprises negative current collector and is coated on the negative pole coating layer on negative current collector.Described positive pole coating layer contains positive active material, and described negative pole coating layer contains negative electrode active material.The pre-embedding lithium capacity of negative electricity pole piece is negative electrode active material relative to 40 ~ 80% of metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, and meets following relational expression:
C
n×m
n＝n×C
p×m
p
Wherein, C
nfor negative electrode active material is relative to the specific capacity of metal lithium electrode in 0.1 ~ 0.5V potential region, m
nfor the quality of negative electrode active material, C
pfor positive active material is relative to the specific capacity of metal lithium electrode in 2.0 ~ 4.2V potential region, m
pfor the quality of positive active material, n=1.0 ~ 1.2.
Described negative electrode active material is made up of by the weight ratio of 4:1 ~ 9:1 hard carbon and graphitized intermediate-phase carbosphere.Because hard carbon is irregular particle pattern, graphitized intermediate-phase carbosphere is spherical, both pile up the tightst after mixing with conductive agent in this ratio, and, the graphitized intermediate-phase carbosphere with height ratio capacity had the hard carbon of high-rate charge-discharge capability surround, can cooperative effect be formed, high power performance can be ensured, effectively can reduce overpotential again.In addition, the plateau potential of graphitized intermediate-phase carbosphere relative to metal lithium electrode at below 0.2V, and hard carbon does not have obvious charge and discharge platform, both employings are mixed with composite negative pole, similar " cistern " effect of lithium can be formed at below 0.2V, negative pole current potential can be reduced on the one hand, improve the voltage of device, prevent the Dendritic TiC forming lithium when the embedding lithium of low temperature, big current in negative terminal surface on the other hand.
Described positive electrode active materials is made up of the positive electrode and capacitive character material with carbon element can inserting embedding lithium ion, calculate by 100 mass parts, the positive electrode can inserting embedding lithium ion is 0 ~ 50 mass parts, capacitive character material with carbon element is 50 ~ 100 mass parts, and the positive electrode can inserting embedding lithium ion is nickle cobalt lithium manganate (LiNi
xco
ymn
zo
2) or nickel cobalt lithium aluminate (LiNi
xco
yal
zo
2) or cobalt acid lithium (LiCoO
2) or LiMn2O4 (LiMn
2o
4), capacitive character material with carbon element is the Carbon fibe of active carbon or activity or porous, electrically conductive carbon black or Graphene.
Lithium ion hybrid capacitors can be prepared as follows: negative electricity pole piece, anode electrode sheet and barrier film lamination or winding are formed battery core, and barrier film is between negative electricity pole piece and anode electrode sheet.Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing.Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film.Housing carries out hot-seal to housing after injecting excessive electrolyte.Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode, embedding lithium capacity is negative pole relative to 40 ~ 80% of metal lithium electrode 0.01 ~ 1.5V potential region inner capacities.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors.
Accompanying drawing explanation
Figure 1 shows that the stereoscan photograph of the negative electricity pole piece of embodiment 1.
Embodiment
The present invention is by negative electricity pole piece, anode electrode sheet and the barrier film lamination be interposed between negative electricity pole piece and anode electrode sheet or reel and form battery core.Preparing of electrode slice adopts the method for coating to make: be applied to by the slurry comprising positive active material, conductive agent and binding agent on the aluminium foil of the through hole containing 2% ~ 30% percent opening, make anode electrode sheet; On the Copper Foil that the slurry comprising negative electrode active material, conductive agent and binding agent is applied to the through hole containing 2% ~ 30% percent opening or nickel foil, make negative electricity pole piece.
Kynoar (the LA series aqueous binders etc. of PVDF or polytetrafluoroethylene (PTFE) or sodium carboxymethylcellulose (CMC) or the happy product of butadiene-styrene rubber (SBR) or Chengdu mattress ground selected by described binding agent.Described conductive agent is selected from conductive black or electrically conductive graphite or carbon nano-tube.Positive electrode active materials is made up of anode material for lithium-ion batteries and capacitive character material with carbon element, calculate by 100 mass parts, the positive electrode can inserting embedding lithium ion is 0 ~ 50 mass parts, and capacitative materials is 50 ~ 100 mass parts, and the positive electrode can inserting embedding lithium ion is nickle cobalt lithium manganate (LiNi
xco
ymn
zo
2) or nickel cobalt lithium aluminate (LiNi
xco
yal
zo
2) or cobalt acid lithium (LiCoO
2) or LiMn2O4 (LiMn
2o
4).Capacitive character material with carbon element is Carbon fibe or the Graphene of active carbon or activity.Negative active core-shell material is made up of by the weight ratio of 4:1 ~ 9:1 hard carbon and graphitized intermediate-phase carbosphere.
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The active material of anode electrode sheet is active carbon, the aluminium foil of plus plate current-collecting body to be percent opening the be through hole of 20%.The active material of negative electricity pole piece is that hard carbon and graphitized intermediate-phase carbosphere form by 4:1, the Copper Foil of negative current collector to be percent opening the be through hole of 20%.Barrier film is celgard2400.10 anode electrode sheets and 10 negative electricity pole piece laminatings make battery core.Wherein, the specific capacity of negative active core-shell material in 0.1 ~ 0.5V potential region is 80mAh/g, and the specific capacity of anode activated charcoal in 2.0 ~ 4.2V potential region is 50mAh/g, gets n=1.2, and the mass ratio of positive and negative electrode active material is 1.33:1.Battery core and metal lithium electrode are put into the closed container filling electrolyte flood, electrolyte is 1mol/LLiPF
6solution, the mixed solvent of the ethylene carbonate of solvent to be volume ratio be 1:1:1, dimethyl carbonate and diethyl carbonate.Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing.Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film.Housing carries out hot-seal to housing after injecting excessive electrolyte.Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode.Because negative pole is being 240mAh/g relative to metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, therefore pre-embedding lithium capacity is 240mAh/g × 80%=192mAh/g.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors.Adopt the cell tester test of Wuhan Lan electricity company CT2001A, the energy density of this lithium ion hybrid capacitors is the quality of 18Wh/g based on whole device, and under 20CA multiplying power, charge and discharge cycles 10000 weeks capability retentions are 93%.The wherein meaning of CA, according to " QB/T2502-2000 lithium-ions battery generic specification ", C represents that battery leads capacity when being discharged to final voltage with 5h, and 20CA then represents the electric current of 20 times of capacity.Following examples also use the test of same testing equipment.Figure 1 shows that the stereoscan photograph of negative electricity pole piece, spheric granules is graphitized intermediate-phase carbosphere, and irregular particle is hard carbon, and chain nano particle is conductive agent, can see, graphitized intermediate-phase carbosphere is surrounded by hard carbon and conductive agent, piles up closely.
Comparative example
The active material active carbon of anode electrode sheet, the aluminium foil of plus plate current-collecting body to be percent opening the be through hole of 20%.The active material of negative electricity pole piece is hard carbon, the Copper Foil of negative current collector to be percent opening the be through hole of 20%.Barrier film is celgard2400, and 10 anode electrode sheets and 10 negative electricity pole piece laminatings make battery core.Wherein, the specific capacity of negative active core-shell material in 0.1 ~ 0.5V potential region is 60mAh/g, and the specific capacity of anode activated charcoal in 2.0 ~ 4.2V potential region is 50mAh/g, gets n=1.2, and the mass ratio of positive and negative electrode active material is 1:1.Battery core and metal lithium electrode are put into the closed container filling electrolyte flood, electrolyte is 1mol/LLiPF
6solution, the mixed solvent of the ethylene carbonate of solvent to be volume ratio be 1:1:1, dimethyl carbonate and diethyl carbonate.Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing; Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film.Housing carries out hot-seal to housing after injecting excessive electrolyte.Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode.Because negative pole is being 200mAh/g relative to metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, therefore pre-embedding lithium capacity is 200mAh/g × 80%=160mAh/g.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors.This lithium ion hybrid capacitors energy density is the quality of 12Wh/g based on whole device, and under 20CA multiplying power, charge and discharge cycles 10000 weeks capability retentions are 80%.
Embodiment 2
Active carbon and the nickle cobalt lithium manganate of the active material of anode electrode sheet to be mass ratio be 3:1, the aluminium foil of plus plate current-collecting body to be percent opening the be through hole of 30%.The active material of negative electricity pole piece is that hard carbon and graphitized intermediate-phase carbosphere form by 9:1, the nickel foil of negative current collector to be percent opening the be through hole of 30%.Barrier film is celgard2400.Anode electrode sheet and the after heat of negative electricity pole piece coiling are pressed into square electric cell.Wherein, the specific capacity of negative active core-shell material in 0.1 ~ 0.5V potential region is 60mAh/g, and the specific capacity of positive electrode active materials in 2.0 ~ 4.2V potential region is 70mAh/g, gets n=1.0, and the mass ratio of positive and negative electrode active material is 0.86:1.Battery core and metal lithium electrode are put into the closed container filling electrolyte flood, electrolyte is 1mol/LLiPF
6solution, the mixed solvent of the ethylene carbonate of solvent to be volume ratio be 1:1:1, dimethyl carbonate and diethyl carbonate.Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing; Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film.Housing carries out hot-seal to housing after injecting excessive electrolyte.Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode.Because negative pole is being 210mAh/g relative to metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, therefore pre-embedding lithium capacity is 210mAh/g × 60%=126mAh/g.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors.The energy density that test obtains this lithium ion hybrid capacitors is the quality of 30Wh/g based on whole device, and under 20A multiplying power, charge and discharge cycles 10000 weeks capability retentions are 87%.
Embodiment 3
The active material of anode electrode sheet, by 100 mass parts, is nickel cobalt lithium aluminate 20 mass parts, cobalt acid lithium 20 mass parts, LiMn2O4 10 mass parts, active carbon 40 mass parts, active Carbon fibe 5 mass parts, Graphene 5 mass parts; The aluminium foil of plus plate current-collecting body to be percent opening the be through hole of 30%.The active material of negative electricity pole piece is that hard carbon and graphitized intermediate-phase carbosphere form by 6:1, the nickel foil of negative current collector to be percent opening the be through hole of 30%.Barrier film is celgard2400.Anode electrode sheet and the after heat of negative electricity pole piece coiling are pressed into square electric cell.Wherein, the specific capacity of negative active core-shell material in 0.1 ~ 0.5V potential region is 60mAh/g, and the specific capacity of positive electrode active materials in 2.0 ~ 4.2V potential region is 100mAh/g, gets n=1.0, and the mass ratio of positive and negative electrode active material is 0.6:1.Battery core and metal lithium electrode are put into the closed container filling electrolyte flood, electrolyte is 1mol/LLiPF
6solution, the mixed solvent of the ethylene carbonate of solvent to be volume ratio be 1:1:1, dimethyl carbonate and diethyl carbonate.Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing; Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film.Housing carries out hot-seal to housing after injecting excessive electrolyte; Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode.Because negative pole is being 210mAh/g relative to metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, therefore pre-embedding lithium capacity is 240mAh/g × 40%=96mAh/g.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors, the energy density that test obtains this lithium ion hybrid capacitors is the quality of 50Wh/g based on whole device, and under 20A multiplying power, charge and discharge cycles 10000 weeks capability retentions are 82%.
Claims (3)
1. a lithium ion hybrid capacitors, comprise housing, the battery core being placed in enclosure interior and the electrolyte be impregnated in battery core, described battery core is by anode electrode sheet, negative electricity pole piece and be placed in barrier film between anode electrode sheet and negative electricity pole piece by reel or the mode of lamination obtains, described anode electrode sheet comprises plus plate current-collecting body and is coated on the positive pole coating layer on plus plate current-collecting body, described negative electricity pole piece comprises negative current collector and is coated on the negative pole coating layer on negative current collector, described positive pole coating layer contains positive active material, described negative pole coating layer contains negative electrode active material, it is characterized in that: the pre-embedding lithium capacity of described negative electricity pole piece is negative electrode active material relative to 40 ~ 80% of metal lithium electrode 0.01 ~ 1.5V potential region inner capacities, and meet following relational expression:
C
n×m
n＝n×C
p×m
p
Wherein, C
nfor negative electrode active material is relative to the specific capacity of metal lithium electrode in 0.1 ~ 0.5V potential region, m
nfor the quality of negative electrode active material, C
pfor positive active material is relative to the specific capacity of metal lithium electrode in 2.0 ~ 4.2V potential region, m
pfor the quality of positive active material, n=1.0 ~ 1.2.
2. lithium ion hybrid capacitors according to claim 1, is characterized in that: described negative electrode active material is made up of by the weight ratio of 4:1 ~ 9:1 hard carbon and graphitized intermediate-phase carbosphere.
3. lithium ion hybrid capacitors according to claim 1, it is characterized in that: described positive electrode active materials is made up of the positive electrode and capacitive character material with carbon element can inserting embedding lithium ion, calculate by 100 mass parts, can insert embedding lithium ion anode material is 0 ~ 50 mass parts, and capacitive character material with carbon element is 50 ~ 100 mass parts; The positive electrode can inserting embedding lithium ion is nickle cobalt lithium manganate (LiNi
xco
ymn
zo
2) or nickel cobalt lithium aluminate (LiNi
xco
yal
zo
2) or cobalt acid lithium (LiCoO
2) or LiMn2O4 (LiMn
2o
4), capacitive character material with carbon element is Carbon fibe or the Graphene of active carbon or activity.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206075A (en) * | 2016-06-22 | 2016-12-07 | 凌容新能源科技（上海）有限公司 | Electrode preparation method and super lithium capacitor fabrication method |
| CN106356199A (en) * | 2016-11-10 | 2017-01-25 | 上海奥威科技开发有限公司 | Lithium titanate supercapacitor with good linear charging and discharging behaviors |
| CN107633957A (en) * | 2017-08-03 | 2018-01-26 | 凌容新能源科技（上海）股份有限公司 | Lithium-ion capacitor preparation method and lithium-ion capacitor |
| CN108428563A (en) * | 2018-03-19 | 2018-08-21 | 中国科学院电工研究所 | A kind of lithium ion battery capacitance |
| CN112289592A (en) * | 2020-09-17 | 2021-01-29 | 中国科学院山西煤炭化学研究所 | Lithium ion capacitor and preparation method thereof |
| CN112435861A (en) * | 2020-10-16 | 2021-03-02 | 惠州亿纬锂能股份有限公司 | Positive electrode of hybrid capacitor and preparation method and application thereof |
| CN115148508A (en) * | 2022-08-08 | 2022-10-04 | 凌容新能源科技（上海）股份有限公司 | Energy storage capacitor and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090161296A1 (en) * | 2005-12-08 | 2009-06-25 | Fuji Jukogyo Kabushiki Kaisha | Lithium ion capacitor |
| CN104008893A (en) * | 2014-04-11 | 2014-08-27 | 中国科学院电工研究所 | Manufacturing method of lithium ion mixed type capacitor and lithium ion mixed type capacitor |
| CN104037458A (en) * | 2014-05-16 | 2014-09-10 | 中国科学院电工研究所 | Manufacturing method of lithium ion energy storage device |
| CN104835652A (en) * | 2015-03-24 | 2015-08-12 | 中航锂电（洛阳）有限公司 | Lithium-intercalation negative pole piece used for lithium super-capacitor battery, method for preparing same, and lithium super-capacitor battery |
-
2015
- 2015-09-16 CN CN201510589814.8A patent/CN105161309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090161296A1 (en) * | 2005-12-08 | 2009-06-25 | Fuji Jukogyo Kabushiki Kaisha | Lithium ion capacitor |
| CN104008893A (en) * | 2014-04-11 | 2014-08-27 | 中国科学院电工研究所 | Manufacturing method of lithium ion mixed type capacitor and lithium ion mixed type capacitor |
| CN104037458A (en) * | 2014-05-16 | 2014-09-10 | 中国科学院电工研究所 | Manufacturing method of lithium ion energy storage device |
| CN104835652A (en) * | 2015-03-24 | 2015-08-12 | 中航锂电（洛阳）有限公司 | Lithium-intercalation negative pole piece used for lithium super-capacitor battery, method for preparing same, and lithium super-capacitor battery |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206075A (en) * | 2016-06-22 | 2016-12-07 | 凌容新能源科技（上海）有限公司 | Electrode preparation method and super lithium capacitor fabrication method |
| CN106356199A (en) * | 2016-11-10 | 2017-01-25 | 上海奥威科技开发有限公司 | Lithium titanate supercapacitor with good linear charging and discharging behaviors |
| CN107633957A (en) * | 2017-08-03 | 2018-01-26 | 凌容新能源科技（上海）股份有限公司 | Lithium-ion capacitor preparation method and lithium-ion capacitor |
| CN108428563A (en) * | 2018-03-19 | 2018-08-21 | 中国科学院电工研究所 | A kind of lithium ion battery capacitance |
| CN112289592A (en) * | 2020-09-17 | 2021-01-29 | 中国科学院山西煤炭化学研究所 | Lithium ion capacitor and preparation method thereof |
| CN112435861A (en) * | 2020-10-16 | 2021-03-02 | 惠州亿纬锂能股份有限公司 | Positive electrode of hybrid capacitor and preparation method and application thereof |
| CN115148508A (en) * | 2022-08-08 | 2022-10-04 | 凌容新能源科技（上海）股份有限公司 | Energy storage capacitor and preparation method thereof |
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