CN105702998A - Lithium battery assembling method - Google Patents
Lithium battery assembling method Download PDFInfo
- Publication number
- CN105702998A CN105702998A CN201410680495.7A CN201410680495A CN105702998A CN 105702998 A CN105702998 A CN 105702998A CN 201410680495 A CN201410680495 A CN 201410680495A CN 105702998 A CN105702998 A CN 105702998A
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- Prior art keywords
- battery
- lithium
- electrolyte
- current collector
- barrier film
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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
- Y02E60/10—Energy storage using batteries
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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
- 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
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- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery assembling method. Raw materials comprise a cathode battery case, an anode battery case, a positive plate, a diaphragm, a lithium sheet, a current collector, a support chip, a negative plate, and an electrolyte. The assembling process is carried out in a glove box. The lithium battery assembling method comprises following steps: the internal environment in the glove box is adjusted; raw material stacking and assembling are carried out; and battery pressing moulding is carried out. The whole operation process is capable of protecting the raw materials from interference from oxidation and moisture. The arrangement of the support chip is capable of realizing tight and flat contact of parts in batteries, and achieving better conductivity. The assembling technology is simple; the structure is convenient to assemble and disassemble; battery qualified rate is high; and later period rejection rate is reduced obviously.
Description
Technical field
The present invention relates to field of lithium, be specifically related to the assembly method of a kind of lithium battery。
Background technology
Lithium battery has operating temperature range width, discharging voltage balance, the advantages such as self-discharge rate is low, long service life, it is widely used in various field, particularly the field such as space flight and aviation, military affairs, long-lived instrument and meter, material flow tracking, automotive electronics, mobile digital product。In recent years, along with science and technology development, the function of electronic equipment is constantly upgraded, and therefore the processing technology of lithium battery is had higher requirement, and has become the primary study direction of battery industry。Along with the development of science and technology, the increase of material and labour cost, in order to avoid later rework trouble, the control of product is had increasingly higher requirement by enterprise。Particularly at lithium battery primary assembling stage, it is necessary to the problem considering each side。
Therefore, the problems referred to above are the problems should paid attention to and solve in lithium battery assembling process。
Summary of the invention
For above-mentioned Problems existing, the present invention provides the assembly method of a kind of lithium battery。
The technical solution of the present invention is: the assembly method of a kind of lithium battery, raw material includes positive battery shell, negative battery shell, positive plate, barrier film, lithium sheet, current collector, support chip, negative plate and electrolyte, assembling process carries out in glove box, and assembly method carries out in accordance with the following steps:
A. glove box environment is regulated: glove box adopts vacuum pump carry out repeatedly aerofluxus-intake operation and make to be full of in glove box noble gas, then is put in glove box by raw material；
B. stockpile closed assembly is joined: the layer stack order of raw material is according to the following two kinds mode (from the bottom to top): positive battery shell-positive plate-electrolyte-barrier film-electrolyte-lithium sheet-current collector-support chip-negative battery shell；First positive plate is placed in the center position in anode cover and keeps the coating layer of positive plate upwards, superfine glass dropper is adopted to consider absorption electrolyte complete moistening positive plate surface equably, barrier film after tweezers gripping cutting is encased in anode cover and covers positive plate, it is again with glass dropper and draws electrolyte moistening membrane surface, gripping lithium sheet covers barrier film center position, cover current collector and to keep and lithium sheet close alignment on lithium sheet, support chip gripping and current collector close alignment, said method is finally adopted to be symmetrically arranged with current collector again, barrier film, negative plate and electrolyte, tweezers gripping negative electrode casing is adopted to cover, complete the integral installation of battery；
C. battery is compressing: the battery after installing is placed on tablet machine and is suppressed, and forms resultant battery。
Further improvement of the present invention is in that: described barrier film adopts polyethylene or polypropylene diaphragm material to make, and described barrier film is single layer structure or multiple structure。
Further improvement of the present invention is in that: described negative plate adopts lithium metal to be that raw material is made, and the size of described negative plate is equivalently-sized with described positive plate。
Further improvement of the present invention is in that: described current collector adopts aluminium flake material to prepare, and the employing of described support chip has elastic spring leaf or nickel foam prepares and forms。
Further improvement of the present invention is in that: described electrolyte is be dissolved in lithium salts in two or more the organic mixed solvent of liquid making, and LiPF selected by described lithium salts6、LiClO4, described organic mixed solvent is the mixed solvent of the binary of the composition such as Allyl carbonate, ethylene carbonate, dimethyl carbonate, diethyl carbonate, the first and second base carbonic esters or ternary。
The assembly method of a kind of lithium battery of the present invention, support chip can be selected for spring leaf and nickel foam, when using nickel foam, can not assemble current collector in the battery, and can realize the combined effect of spring leaf and current collector。
The invention has the beneficial effects as follows: whole operating process carries out in glove box, it is to avoid raw material is subject to oxidation and moist interference。Support chip it is provided with so that the contact of cell internal components is closely smooth, and electric conductivity is better in the middle part of battery。The present invention is simple for assembly process, structure is quick detachable, be easily assembled, and battery qualification rate is high, and later stage scrappage also has obvious reduction。
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the present invention being described in further detail, this embodiment is only used for explaining the present invention, protection scope of the present invention is not constituted and limits。
The present embodiment provides the assembly method of a kind of lithium battery, raw material includes positive battery shell, negative battery shell, positive plate, barrier film, lithium sheet, current collector, support chip, negative plate and electrolyte, assembling process carries out in glove box, assembly method carries out in accordance with the following steps: a. regulates glove box environment: glove box adopts vacuum pump carry out repeatedly aerofluxus-intake operation and make to be full of in glove box noble gas, then is put in glove box by raw material；
B. stockpile closed assembly is joined: the layer stack order of raw material is according to the following two kinds mode (from the bottom to top): positive battery shell-positive plate-electrolyte-barrier film-electrolyte-lithium sheet-current collector-support chip-negative battery shell；First positive plate is placed in the center position in anode cover and keeps the coating layer of positive plate upwards, superfine glass dropper is adopted to consider absorption electrolyte complete moistening positive plate surface equably, barrier film after tweezers gripping cutting is encased in anode cover and covers positive plate, it is again with glass dropper and draws electrolyte moistening membrane surface, gripping lithium sheet covers barrier film center position, cover current collector and to keep and lithium sheet close alignment on lithium sheet, support chip gripping and current collector close alignment, said method is finally adopted to be symmetrically arranged with current collector again, barrier film, negative plate and electrolyte, tweezers gripping negative electrode casing is adopted to cover, complete the integral installation of battery；
C. battery is compressing: the battery after installing is placed on tablet machine and is suppressed, and forms resultant battery。
Described barrier film adopts polyethylene or polypropylene diaphragm material to make, and described barrier film is single layer structure or multiple structure。Described negative plate adopts lithium metal to be that raw material is made, and the size of described negative plate is equivalently-sized with described positive plate。Described current collector adopts aluminium flake material to prepare, and the employing of described support chip has elastic spring leaf or nickel foam prepares and forms。Described electrolyte is be dissolved in lithium salts in two or more the organic mixed solvent of liquid making, and LiPF selected by described lithium salts6、LiClO4, described organic mixed solvent is the mixed solvent of the binary of the composition such as Allyl carbonate, ethylene carbonate, dimethyl carbonate, diethyl carbonate, the first and second base carbonic esters or ternary。
The assembly method of a kind of lithium battery of the present embodiment, support chip can be selected for spring leaf and nickel foam, when using nickel foam, can not assemble current collector in the battery, and can realize the combined effect of spring leaf and current collector。
The present embodiment provides the benefit that: whole operating process carries out in glove box, it is to avoid raw material is subject to oxidation and moist interference。Support chip it is provided with so that the contact of cell internal components is closely smooth, and electric conductivity is better in the middle part of battery。The present invention is simple for assembly process, structure is quick detachable, be easily assembled, and battery qualification rate is high, and later stage scrappage also has obvious reduction。
Claims (5)
1. the assembly method of a lithium battery, it is characterized in that: raw material includes positive battery shell, negative battery shell, positive plate, barrier film, lithium sheet, current collector, support chip, negative plate and electrolyte, assembling process carries out in glove box, and assembly method carries out in accordance with the following steps:
A. glove box environment is regulated: glove box adopts vacuum pump carry out repeatedly aerofluxus-intake operation and make to be full of in glove box noble gas, then is put in glove box by raw material；
B. stockpile closed assembly is joined: the layer stack order of raw material is according to the following two kinds mode (from the bottom to top): positive battery shell-positive plate-electrolyte-barrier film-electrolyte-lithium sheet-current collector-support chip-negative battery shell；First positive plate is placed in the center position in anode cover and keeps the coating layer of positive plate upwards, superfine glass dropper is adopted to consider absorption electrolyte complete moistening positive plate surface equably, barrier film after tweezers gripping cutting is encased in anode cover and covers positive plate, it is again with glass dropper and draws electrolyte moistening membrane surface, gripping lithium sheet covers barrier film center position, cover current collector and to keep and lithium sheet close alignment on lithium sheet, support chip gripping and current collector close alignment, said method is finally adopted to be symmetrically arranged with current collector again, barrier film, negative plate and electrolyte, tweezers gripping negative electrode casing is adopted to cover, complete the integral installation of battery；
C. battery is compressing: the battery after installing is placed on tablet machine and is suppressed, and forms resultant battery。
2. the assembly method of a kind of lithium battery according to claim 1, it is characterised in that: described barrier film adopts polyethylene or polypropylene diaphragm material to make, and described barrier film is single layer structure or multiple structure。
3. the assembly method of a kind of lithium battery according to claim 1, it is characterised in that: described negative plate adopts lithium metal to be that raw material is made, and the size of described negative plate is equivalently-sized with described positive plate。
4. the assembly method of a kind of lithium battery according to claim 1, it is characterised in that: described current collector adopts aluminium flake material to prepare, and the employing of described support chip has elastic spring leaf or nickel foam prepares and forms。
5. the assembly method of a kind of lithium battery according to claim 1, it is characterised in that: described electrolyte is be dissolved in lithium salts in two or more the organic mixed solvent of liquid making, and LiPF selected by described lithium salts6、LiClO4, described organic mixed solvent is the mixed solvent of the binary of the composition such as Allyl carbonate, ethylene carbonate, dimethyl carbonate, diethyl carbonate, the first and second base carbonic esters or ternary。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680495.7A CN105702998A (en) | 2014-11-25 | 2014-11-25 | Lithium battery assembling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680495.7A CN105702998A (en) | 2014-11-25 | 2014-11-25 | Lithium battery assembling method |
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| CN105702998A true CN105702998A (en) | 2016-06-22 |
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| CN201410680495.7A Pending CN105702998A (en) | 2014-11-25 | 2014-11-25 | Lithium battery assembling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808101A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院宁波材料技术与工程研究所 | A kind of lithium ion battery and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203179986U (en) * | 2013-04-27 | 2013-09-04 | 广州市东力电池实业有限公司 | Button cell |
| CN203205493U (en) * | 2013-03-12 | 2013-09-18 | 浙江闪亮电子科技有限公司 | Button-type lithium-ion battery with spring-type battery cell support |
| CN203312383U (en) * | 2013-03-28 | 2013-11-27 | 深圳市力电电池有限公司 | Button type lithium battery with metal energy-collecting ring |
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2014
- 2014-11-25 CN CN201410680495.7A patent/CN105702998A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203205493U (en) * | 2013-03-12 | 2013-09-18 | 浙江闪亮电子科技有限公司 | Button-type lithium-ion battery with spring-type battery cell support |
| CN203312383U (en) * | 2013-03-28 | 2013-11-27 | 深圳市力电电池有限公司 | Button type lithium battery with metal energy-collecting ring |
| CN203179986U (en) * | 2013-04-27 | 2013-09-04 | 广州市东力电池实业有限公司 | Button cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808101A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院宁波材料技术与工程研究所 | A kind of lithium ion battery and preparation method thereof |
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Application publication date: 20160622 |