CN207705305U - Novel lithium battery - Google Patents
Novel lithium battery Download PDFInfo
- Publication number
- CN207705305U CN207705305U CN201721633343.7U CN201721633343U CN207705305U CN 207705305 U CN207705305 U CN 207705305U CN 201721633343 U CN201721633343 U CN 201721633343U CN 207705305 U CN207705305 U CN 207705305U
- Authority
- CN
- China
- Prior art keywords
- negative
- lithium battery
- active material
- novel lithium
- plate
- 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.)
- Active
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007773 negative electrode material Substances 0.000 claims abstract description 13
- 239000005030 aluminium foil Substances 0.000 claims abstract description 6
- 239000007774 positive electrode material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000003575 carbonaceous material Substances 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 8
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000010406 cathode material Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229910052493 LiFePO4 Inorganic materials 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000011149 active material Substances 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000011889 copper foil Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006182 cathode active material Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a novel lithium battery, positive plate include anodal mass flow body and anodal active material, and anodal mass flow body adopts the aluminium foil, and anodal active material adheres to anodal mass flow body both sides, and the negative pole piece includes negative current collector and negative pole active material, and the negative current collector adopts carbon-coated iron foil, and the negative pole active material adheres to negative current collector both sides. Through the novel lithium cell of above-mentioned optimal design, structural design optimizes rationally, and the negative pole mass flow body adopts carbon-coated iron foil to replace traditional copper foil, and greatly reduced cost simultaneously through at iron foil surface coating carbon coating, can reduce direct contact resistance between negative electrode material and the mass flow body to improve the adhesive force between the two, guarantee the wholeness ability of battery when reduce cost.
Description
Technical field
The utility model is related to lithium battery collector technical field more particularly to a kind of novel lithium batteries.
Background technology
Since lithium ion battery has the advantages that energy density and power density are high, has extended cycle life, environmental nonpollution,
It has a wide range of applications in terms of the large and medium-sized electrical equipment such as the electric vehicles such as electric bicycle, electric vehicle and energy storage facility
Foreground becomes the key for solving global environmental pollution and energy crisis.But currently, lithium ion battery not only cost of manufacture compared with
Height, and material cost is also very high, therefore the popularization of lithium ion battery is limited, the cathode for the lithium battery being such as widely used at present
Collector uses copper foil, the reason is that, copper is relatively stable under high current situation, and conductivity is relatively high.But copper
How price costly, and reduces the cost of lithium battery, it is thus proposed that and use iron foil as negative current collector, but iron foil
Poorly conductive, difficulty of processing hinders greatly its application.
Utility model content
To solve technical problem present in background technology, the utility model proposes a kind of novel lithium batteries.
The utility model proposes a kind of novel lithium battery, including：Positive plate, negative plate, diaphragm；
Positive plate, diaphragm, negative plate are cascading, and electrolyte is filled between positive plate and negative plate；
Positive plate includes plus plate current-collecting body and positive electrode active materials, and plus plate current-collecting body uses aluminium foil, positive electrode active materials attached
It in plus plate current-collecting body both sides, negative plate includes negative current collector and negative electrode active material, and negative current collector, which uses, applies carbon iron foil,
Negative electrode active material is attached to negative current collector both sides.
Preferably, the carbon iron foil that applies includes positioned at the iron foil at middle part and the carbon material layer coated in the iron foil both sides,
The carbon material layer is using one or more in conductive nano graphite, carbon black, graphene.
Preferably, the carbon material layer is evenly dispersed on iron foil surface.
Preferably, diaphragm is made of polyolefin micropore membrane material.
Preferably, positive electrode active materials use lithium iron phosphate positive material.
Preferably, negative electrode active material uses graphite cathode material.
In the utility model, the novel lithium battery proposed, positive plate includes plus plate current-collecting body and positive electrode active materials, just
Pole collector uses aluminium foil, positive electrode active materials to be attached to plus plate current-collecting body both sides, and negative plate includes negative current collector and cathode
Active material, negative current collector are attached to negative current collector both sides using carbon iron foil, negative electrode active material is applied.Pass through above-mentioned optimization
The novel lithium battery of design, structural design optimization is reasonable, and negative current collector replaces traditional copper foil using utter misery iron foil, drops significantly
Low cost, while by that in iron foil surface coating carbon coating, can reduce and be in direct contact resistance between negative material and collector,
And adhesive ability between the two is improved, ensure the overall performance of battery while reducing cost.
Description of the drawings
Fig. 1 be the utility model proposes a kind of novel lithium battery structural schematic diagram.
Specific implementation mode
As shown in FIG. 1, FIG. 1 is the utility model proposes a kind of novel lithium battery structural schematic diagram.
Referring to Fig.1, the utility model proposes a kind of novel lithium battery, including：Positive plate, negative plate, diaphragm 5；
Positive plate, diaphragm 5, negative plate are cascading, and electrolyte is filled between positive plate and negative plate；
Positive plate includes plus plate current-collecting body 1 and positive electrode active materials 2, and plus plate current-collecting body 1 uses aluminium foil, positive electrode active materials
2 are attached to 1 both sides of plus plate current-collecting body, and negative plate includes negative current collector 3 and negative electrode active material 4, and negative current collector 3 is using painting
Carbon iron foil, negative electrode active material 4 are attached to 3 both sides of negative current collector.
In the present embodiment, the novel lithium battery proposed, positive plate include plus plate current-collecting body and positive electrode active materials, just
Pole collector uses aluminium foil, positive electrode active materials to be attached to plus plate current-collecting body both sides, and negative plate includes negative current collector and cathode
Active material, negative current collector are attached to negative current collector both sides using carbon iron foil, negative electrode active material is applied.Pass through above-mentioned optimization
The novel lithium battery of design, structural design optimization is reasonable, and negative current collector replaces traditional copper foil using utter misery iron foil, drops significantly
Low cost, while by coating carbon coating on iron foil surface, providing splendid static conductive performance, collecting the micro- of active material
Electric current is in direct contact resistance so as to be greatly reduced between negative material and collector, and can improve attachment between the two
Ability, can reduce the usage amount of binder, and then the overall performance of battery is made to be significantly improved.
In a specific embodiment, the carbon iron foil that applies includes positioned at the iron foil at middle part and coated in the iron foil both sides
Carbon material layer, the carbon material layer is using one or more in conductive nano graphite, carbon black, graphene.
In order to improve performance of the utter misery iron foil as negative current collector, the carbon material layer is evenly dispersed on iron foil surface.
In the specific design method of diaphragm, diaphragm 5 is made of polyolefin micropore membrane material.
In the specific design method of positive electrode active materials, positive electrode active materials 2 use lithium iron phosphate positive material.
In the specific design method of negative electrode active material, negative electrode active material 4 uses graphite cathode material.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of novel lithium battery, which is characterized in that including：Positive plate, negative plate, diaphragm (5)；
Positive plate, diaphragm (5), negative plate are cascading, and electrolyte is filled between positive plate and negative plate；
Positive plate includes plus plate current-collecting body (1) and positive electrode active materials (2), and plus plate current-collecting body (1) uses aluminium foil, positive-active material
Material (2) is attached to plus plate current-collecting body (1) both sides, and negative plate includes negative current collector (3) and negative electrode active material (4), cathode collection
Fluid (3) is attached to negative current collector (3) both sides using carbon iron foil, negative electrode active material (4) is applied.
2. novel lithium battery according to claim 1, which is characterized in that the carbon iron foil that applies includes the iron foil positioned at middle part
With the carbon material layer coated in the iron foil both sides, the carbon material layer is using one in conductive nano graphite, carbon black, graphene
Kind is a variety of.
3. novel lithium battery according to claim 2, which is characterized in that the carbon material layer uniformly divides on iron foil surface
It dissipates.
4. novel lithium battery according to claim 1, which is characterized in that diaphragm (5) uses polyolefin micropore membrane material system
At.
5. novel lithium battery according to claim 1, which is characterized in that positive electrode active materials (2) are using LiFePO4 just
Pole material.
6. novel lithium battery according to claim 1, which is characterized in that negative electrode active material (4) uses graphite cathode material
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633343.7U CN207705305U (en) | 2017-11-29 | 2017-11-29 | Novel lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633343.7U CN207705305U (en) | 2017-11-29 | 2017-11-29 | Novel lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705305U true CN207705305U (en) | 2018-08-07 |
Family
ID=63024408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721633343.7U Active CN207705305U (en) | 2017-11-29 | 2017-11-29 | Novel lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705305U (en) |
-
2017
- 2017-11-29 CN CN201721633343.7U patent/CN207705305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203746972U (en) | Positive electrode plate | |
| CN102842701B (en) | Lithium ion battery anode pole piece and comprise the lithium ion battery of this anode pole piece | |
| CN103117374B (en) | Anode pole piece of lithium rechargeable battery and preparation method thereof | |
| CN104600251A (en) | Lithium-sulfur battery positive electrode and preparation method thereof | |
| CN102104140A (en) | Power battery electrode and manufacturing method thereof | |
| CN205645983U (en) | Current collector for lithium ion battery | |
| CN202231097U (en) | High-rate lithium-ion battery and composite pole piece thereof | |
| CN101465416A (en) | High specific capacity composite electrode pole piece for lithium ion battery | |
| CN103247779A (en) | Production method of electrochemical active pole piece | |
| CN211017288U (en) | Sodium ion battery core | |
| CN106784624A (en) | A kind of based lithium-ion battery positive plate and preparation method thereof | |
| CN203367417U (en) | Metal foil provided with electric conduction protective coating | |
| CN104752687A (en) | Production method of polymer lithium ion battery positive and negative current collectors | |
| CN117637988A (en) | Negative electrode plate of high-energy-density battery, preparation method of negative electrode plate, battery and power utilization device | |
| CN113285050A (en) | Li-M-X-based solid lithium battery anode and preparation method thereof | |
| CN206059547U (en) | A kind of lithium ion battery structure of quickly-chargeable | |
| CN207705305U (en) | Novel lithium battery | |
| CN207504101U (en) | A kind of graphene rectangular lithium ion battery | |
| CN207217663U (en) | A kind of high-performance all-solid lithium battery | |
| CN102709066A (en) | Water system symmetrical electrochemical capacitor based on rice husk porous carbon | |
| CN107342434B (en) | Rechargeable aluminium battery using ordered mesopore carbon as positive electrode and preparation method thereof | |
| CN105552379A (en) | Preparation method of silicon anode lithium-ion battery employing carbon nanotube paper as current collector | |
| CN205900716U (en) | High power super capacitor lithium cell | |
| CN213936246U (en) | Positive pole piece of lithium ion battery | |
| CN210167266U (en) | Conductive composite electrode material of all-solid-state supercapacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |