CN208539005U - A kind of coiling type lithium battery with isolation lithium item - Google Patents
A kind of coiling type lithium battery with isolation lithium item Download PDFInfo
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- CN208539005U CN208539005U CN201820669555.9U CN201820669555U CN208539005U CN 208539005 U CN208539005 U CN 208539005U CN 201820669555 U CN201820669555 U CN 201820669555U CN 208539005 U CN208539005 U CN 208539005U
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- nickel screen
- anode
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Abstract
A kind of coiling type lithium battery with isolation lithium item, including shell and battery core, anode and cathode is wound in battery core, anode is nickel screen and lithium layer, and cathode is carbon-coating, is provided with diaphragm between the anode and cathode, nickel screen on anode is provided at least one lithium item in the one side of carbon-coating, the width of lithium item and the equivalent width of nickel screen, lithium item are in " I " fonts, and the other side of nickel screen is provided with the lithium layer of monolith.
Description
Technical field
It is especially a kind of with the coiling type lithium battery that lithium item is isolated the utility model relates to arrive field of lithium.
Background technique
Lithium battery is one kind using lithium metal or lithium alloy as negative electrode material, using the one-shot battery of non-aqueous electrolytic solution,
It with lithium ion polymer battery is different with rechargeable battery lithium ion battery.Since the chemical characteristic of lithium metal is very living
It sprinkles, so that the processing of lithium metal, preservation, use, very high to environmental requirement.So lithium battery is not applied for a long time.With
The development of twentieth century end microelectric technique, the equipment of miniaturization is increasing, proposes very high requirement to power supply, lithium electricity
Pond enters the large-scale practical stage therewith.Coiling type lithium battery used at present generallys use the mode of single side lithium, i.e.,
Using one layer of lithium and nickel screen as anode, by carbon-coating as cathode, it is isolated between the anode and cathode using diaphragm, still
Since nickel screen section is there are burr, the burr on nickel screen can pierce through diaphragm so that anode and cathode contact and lead to battery short circuit,
Existing lithium battery is separately positioned on the two sides of nickel screen using two layers of lithium due to the above reasons, to prevent nickel screen from piercing through diaphragm.But
It is that the two sides of nickel screen are laid with entire lithium layer, the lithium layer of outmost turns cannot sufficiently react with carbon, cause the wave of lithium
Take, influences the capacity of entire battery.
Summary of the invention
The purpose of the utility model is to overcome the above problems present in prior art electricity lithium pond, provide a kind of structure letter
Single, battery high reliablity coiling type lithium battery with isolation lithium item.
In order to achieve the above object, the technical solution of the utility model is: a kind of coiling lithium with isolation lithium item
Battery, including shell and battery core are wound with anode and cathode in battery core, and anode is nickel screen and lithium layer, and cathode is carbon-coating, and feature exists
In: diaphragm is provided between the anode and cathode, the nickel screen on anode is provided at least one lithium in the one side of carbon-coating
Item, the width of lithium item and the equivalent width of nickel screen, lithium item are in " I " fonts, and the other side of nickel screen is provided with the lithium layer of monolith.
The utility model has the following beneficial effects:
1, the design middle-jiao yang, function of the spleen and stomach extremely nickel screen and lithium layer, cathode are carbon-coating, and the nickel screen on anode is set in the one side of carbon-coating
It is equipped at least one lithium item, the width of lithium item and the equivalent width of nickel screen, the other side of nickel screen is provided with entire lithium layer, nickel screen
It include diaphragm and lithium item between carbon-coating, due to the presence of lithium item, the burr on nickel screen section will not ensure that with membrane contacts
The reliability of entire battery.
2, lithium item in " I " fonts instead of the lithium layer of a monolith has saved material in the design, avoids the wave of lithium
Take.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of nickel screen and lithium item in the utility model.
In figure: shell 1, nickel screen 2, lithium layer 3, carbon-coating 4, diaphragm 5, lithium item 6.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment:
Referring to Fig. 1, a kind of coiling type lithium battery with isolation lithium item, including shell 1 and battery core are wound with anode in battery core
And cathode, anode are nickel screen 2 and lithium layer 3, cathode is carbon-coating 4, it is characterised in that: is provided with diaphragm between the anode and cathode
5, the nickel screen 2 on anode is provided at least one lithium item 6, the width of lithium item 6 and the width of nickel screen 2 in the one side of carbon-coating 4
Unanimously, lithium item 6 is in " I " fonts, and the other side of nickel screen 2 is provided with the lithium layer 3 of monolith.
The design middle-jiao yang, function of the spleen and stomach extremely nickel screen 2 and lithium layer 3, cathode are carbon-coating 4, and the nickel screen 2 on anode is in the one side of carbon-coating 4
It is provided at least one lithium item 6, the width of lithium item 6 and the equivalent width of nickel screen 2, the other side of nickel screen 2 is provided with the lithium of monolith
Layer 3 includes diaphragm 5 and lithium item 6 between nickel screen 2 and carbon-coating 4, and due to the presence of lithium item 6, burr on 2 section of nickel screen will not be with
Diaphragm 5 contacts, and ensure that the reliability of entire battery.Lithium item 6 is in " I " fonts in the design, instead of the lithium layer 3 of a monolith,
Material has been saved, the waste of lithium is avoided.The utility model structure is simple, battery high reliablity.
Claims (1)
1. a kind of coiling type lithium battery with isolation lithium item, including shell (1) and battery core are wound with anode and cathode in battery core,
Anode is nickel screen (2) and lithium layer (3), and cathode is carbon-coating (4), it is characterised in that: is provided with diaphragm between the anode and cathode
(5), the nickel screen on anode (2) is provided at least one lithium item (6), the width and nickel of lithium item (6) in the one side of carbon-coating (4)
The equivalent width of net (2), lithium item (6) are in " I " fonts, and the other side of nickel screen (2) is provided with the lithium layer (3) of monolith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669555.9U CN208539005U (en) | 2018-05-07 | 2018-05-07 | A kind of coiling type lithium battery with isolation lithium item |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669555.9U CN208539005U (en) | 2018-05-07 | 2018-05-07 | A kind of coiling type lithium battery with isolation lithium item |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539005U true CN208539005U (en) | 2019-02-22 |
Family
ID=65393286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669555.9U Active CN208539005U (en) | 2018-05-07 | 2018-05-07 | A kind of coiling type lithium battery with isolation lithium item |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208539005U (en) |
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2018
- 2018-05-07 CN CN201820669555.9U patent/CN208539005U/en active Active
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