CN104577204B - A kind of soft package lithium ion power battery formation device and method thereof - Google Patents

A kind of soft package lithium ion power battery formation device and method thereof Download PDF

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Publication number
CN104577204B
CN104577204B CN201410803411.4A CN201410803411A CN104577204B CN 104577204 B CN104577204 B CN 104577204B CN 201410803411 A CN201410803411 A CN 201410803411A CN 104577204 B CN104577204 B CN 104577204B
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lithium ion
soft package
power battery
ion power
package lithium
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CN104577204A (en
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关成善
宗继月
王勇
张敬捧
李涛
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Shandong Goldencell Electronics Technology Co Ltd
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Shandong Goldencell Electronics Technology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

A kind of soft package lithium ion power battery formation device and method thereof, soft package lithium ion power battery is put into and inside Pressurized-heated Sealing Arrangement, carries out Pressurized-heated chemical conversion, chemical conversion temperature range 0 ~ 80 DEG C, chemical conversion pressure range 0.15 ~ 0.4Mpa, the gas produced in formation process effectively can be discharged in the case of not affecting inside battery pole piece, barrier film and bath composition by this chemical synthesizing method in time, improves formation effect and the battery performance concordance of battery.

Description

A kind of soft package lithium ion power battery formation device and method thereof
Technical field
The present invention relates to a kind of flexible packing lithium ion battery, particularly relate to a kind of soft package lithium ion power battery formation device and method thereof.
Background technology
Soft package lithium ion power battery energy density is big, cycle performance and security performance good, become automobile dynamic lithium battery first-selected.Along with the fast development in new-energy automobile field, higher requirement is proposed vapour vehicle lithium-ion power battery performance.
Lithium-ion-power cell capacity is high, volume is big, battery main body area is big, especially 20Ah and above high power capacity soft package lithium ion power battery thereof, the gas produced in formation process is difficult to discharge, gas is collected at pole piece affects the formation of battery pole piece SEI film, directly affects every property of battery.The method that people use at present is typically fixture chemical conversion and battery vacuum-pumping is melted into, the gas produced in formation process can be discharged by fixture chemical conversion, but the pressure being applied on battery main body can not be the biggest, pressure too big easily damage inside battery barrier film and pole piece, affecting the performance of battery, pressure can affect the most again the gas produced in formation process and discharge.People's normally used evacuation chemical synthesizing method there is also certain drawback, as easily taken away by composition in battery electrolyte in vacuum, the most easily the important additives in battery electrolyte is taken away, affects the performance of battery.
Summary of the invention
It is an object of the invention to provide one and can solve rational soft package lithium ion power battery chemical synthesis technology, effectively the gas produced in formation process can be discharged in time in the case of not affecting inside battery pole piece, barrier film and bath composition, improve a kind of soft package lithium ion power battery formation device and the method thereof of the formation effect of battery.
For achieving the above object, the technical solution used in the present invention is:
A kind of soft package lithium ion power battery formation device, including soft package lithium ion power battery, soft package lithium ion power battery is arranged on inside Pressurized-heated Sealing Arrangement, it is characterized in that: soft package lithium ion power battery is by soft package lithium ion power battery main body, positive pole ear and negative lug composition, soft package lithium ion power battery main body is arranged on the battery case within Pressurized-heated Sealing Arrangement, connect in soft package lithium ion power battery main body and have positive pole ear and negative lug, positive pole ear and negative lug are clipped in anode connection terminal sub-folder respectively and negative pole connects on terminal clip, anode connection terminal sub-folder and negative pole are connected terminal clip and are connected with the charge/discharge test device outside Pressurized-heated Sealing Arrangement by wire；Soft package lithium ion power battery one side seal has PP to manage, and the PP pipe other end is connected with inside and outside cross over pipe, and inside and outside cross over pipe connects has collection device, collection device to be arranged on outside Pressurized-heated Sealing Arrangement；Pressurized-heated Sealing Arrangement is provided above transitional storehouse and heater strip, arranges air inlet, Explosion-proof valve, temperature display and pressure display screen on the right side of Pressurized-heated Sealing Arrangement.
A kind of soft package lithium ion power battery chemical synthesizing method, is characterized in that: comprise the following steps:
Step 1: soft package lithium ion power battery is put on the battery case within Pressurized-heated Sealing Arrangement；
Step 2: battery installation rear enclosed transfer chamber, is heated by heater strip, is heated to required chemical conversion temperature, is melted into temperature range 0 ~ 80 DEG C, and beat gases at high pressure by air inlet is that device interior pressurizes simultaneously, internal pressure scope 0.15 ~ 0.4Mpa；
Step 3: it is that soft package lithium ion power battery is melted into that temperature and pressure start test equipment after stablizing；
Step 4: close heating after being melted into, opens transfer chamber venting, is finally taken out from transitional storehouse by soft package lithium ion power battery.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In accompanying drawing: 1, soft package lithium ion power battery；11, soft package lithium ion power battery main body；
12, positive pole ear；13, negative lug；14, PP pipe；2, Pressurized-heated Sealing Arrangement；21, battery case；22, anode connection terminal sub-folder；23, negative pole connects terminal clip；24, inside and outside cross over pipe；25, air inlet；26, Explosion-proof valve；27, heater strip；28, temperature display；29, pressure display screen；210, transitional storehouse；211, collection device；3, charge/discharge test device.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings:
nullThe present invention is as shown in Figure 1，1、A kind of soft package lithium ion power battery formation device，Including soft package lithium ion power battery 1，It is internal that soft package lithium ion power battery 1 is arranged on Pressurized-heated Sealing Arrangement 2，Soft package lithium ion power battery 1 is by soft package lithium ion power battery main body 11、Positive pole ear 12 and negative lug 13 form，Soft package lithium ion power battery main body 11 is arranged on the battery case 21 within Pressurized-heated Sealing Arrangement 2，Connect in soft package lithium ion power battery main body 11 and have positive pole ear 12 and negative lug 13，Positive pole ear 12 and negative lug 13 are clipped in anode connection terminal sub-folder 22 respectively and negative pole connects on terminal clip 23，Anode connection terminal sub-folder 22 and negative pole are connected terminal clip 23 and are connected with the charge/discharge test device 3 outside Pressurized-heated Sealing Arrangement 2 by wire；Soft package lithium ion power battery 1 one side seal has PP pipe 14, PP pipe 14 other end to be connected with inside and outside cross over pipe 24, and inside and outside cross over pipe 24 connects has collection device 211, collection device 211 to be arranged on outside Pressurized-heated Sealing Arrangement 2；Pressurized-heated Sealing Arrangement 2 is provided above transitional storehouse 210 and heater strip 27, arranges air inlet 25, Explosion-proof valve 26, temperature display 28 and pressure display screen 29 on the right side of Pressurized-heated Sealing Arrangement 2.
A kind of soft package lithium ion power battery chemical synthesizing method, is characterized in that: comprise the following steps:
Step 1: soft package lithium ion power battery is put on the battery case within Pressurized-heated Sealing Arrangement；
Step 2: battery installation rear enclosed transfer chamber, is heated by heater strip, is heated to required chemical conversion temperature, is melted into temperature range 0 ~ 80 DEG C, and beat gases at high pressure by air inlet is that device interior pressurizes simultaneously, internal pressure scope 0.15 ~ 0.4Mpa；
Step 3: it is that soft package lithium ion power battery is melted into that temperature and pressure start test equipment after stablizing；
Step 4: close heating after being melted into, opens transfer chamber venting, is finally taken out from transitional storehouse by soft package lithium ion power battery.
Embodiment described above is only to be described the preferred embodiment of the present invention; not design and protection domain to the present invention are defined; on the premise of without departing from design concept of the present invention; various modification that in this area, technical scheme is made by ordinary skill technical staff and improvement, all should fall into protection scope of the present invention.
Embodiment:
A kind of soft package lithium ion power battery formation device, is characterized in that: soft package lithium ion power battery fluid injection is put into after having shelved and carried out Pressurized-heated chemical conversion inside Pressurized-heated Sealing Arrangement.
A kind of soft package lithium ion power battery formation device, is characterized in that: soft package lithium ion power battery one side seal has PP to manage, and pp pipe connects internal for battery core with outside batteries.
A kind of soft package lithium ion power battery formation device, it is characterized in that: soft package lithium ion power battery main body is arranged on the battery case within Pressurized-heated Sealing Arrangement, soft package lithium ion power battery positive pole ear and negative lug are clipped in respectively Pressurized-heated Sealing Arrangement internal current and derive on anode connection terminal sub-folder and negative pole connection terminal clip, Pressurized-heated Sealing Arrangement internal current is just being derived, negative pole connects terminal clip wire and is connected with extraneous charge/discharge test device, then battery PP pipe is connected with cross over pipe inside and outside Sealing Arrangement, cross over pipe and extraneous electrolyte collection device, it is connected,.
A kind of soft package lithium ion power battery formation device, it is characterized in that: Pressurized-heated Sealing Arrangement is provided with air inlet, Explosion-proof valve, heater strip, temperature display, pressure display screen and transitional storehouse, Pressurized-heated Sealing Arrangement is provided with Explosion-proof valve, when device interior gas pressure intensity reaches 0.5MPa, explosion-proof valve automatically opens up pressure release, and battery is passed in and out by transitional storehouse.
A kind of soft package lithium ion power battery formation device, it is characterized in that: battery installation rear enclosed transfer chamber, heated by heater strip, it is heated to required chemical conversion temperature, chemical conversion temperature range 0 ~ 80 DEG C, beat gases at high pressure by air inlet is that device interior pressurizes simultaneously, and internal pressure scope 0.15 ~ 0.4Mpa, it is that soft package lithium ion power battery is melted into that temperature and pressure start test equipment after stablizing.
A kind of soft package lithium ion power battery chemical synthesizing method, the steps include: soft package lithium ion power battery fluid injection to put into after having shelved inside Pressurized-heated Sealing Arrangement and carry out Pressurized-heated chemical conversion, wherein soft package lithium ion power battery one side seal has PP to manage, and pp pipe connects internal for battery core with outside batteries.Soft package lithium ion power battery main body is arranged on the battery case within Pressurized-heated Sealing Arrangement, soft package lithium ion power battery positive pole ear and negative lug are clipped in respectively Pressurized-heated Sealing Arrangement internal current and derive on anode connection terminal sub-folder and negative pole connection terminal clip, Pressurized-heated Sealing Arrangement internal current is just being derived, negative pole connects terminal clip wire and is connected with extraneous charge/discharge test device, then battery PP pipe is connected with cross over pipe inside and outside Sealing Arrangement, cross over pipe is connected with extraneous electrolyte collection device, additionally Pressurized-heated Sealing Arrangement is provided with air inlet, Explosion-proof valve, heater strip, temperature display, pressure display screen and transitional storehouse.Battery installation rear enclosed transfer chamber, heated by heater strip, it is heated to required chemical conversion temperature, chemical conversion temperature range 0 ~ 80 DEG C, beat gases at high pressure by air inlet is that device interior pressurizes simultaneously, starting test equipment after internal pressure scope 0.15 ~ 0.4Mpa, temperature and pressure are stable is that soft package lithium ion power battery is melted into.Close heating after being melted into, open transfer chamber venting, finally soft package lithium ion power battery is taken out from transitional storehouse.

Claims (2)

  1. null1. a soft package lithium ion power battery formation device，Including soft package lithium ion power battery (1)，It is internal that soft package lithium ion power battery (1) is arranged on Pressurized-heated Sealing Arrangement (2)，It is characterized in that: soft package lithium ion power battery (1) is by soft package lithium ion power battery main body (11)、Positive pole ear (12) and negative lug (13) composition，Soft package lithium ion power battery main body (11) is arranged on the battery case (21) that Pressurized-heated Sealing Arrangement (2) is internal，The upper connection of soft package lithium ion power battery main body (11) has positive pole ear (12) and negative lug (13)，Positive pole ear (12) and negative lug (13) are clipped in anode connection terminal sub-folder (22) respectively and negative pole connects on terminal clip (23)，Anode connection terminal sub-folder (22) and negative pole are connected terminal clip (23) and are connected by the charge/discharge test device (3) of wire with Pressurized-heated Sealing Arrangement (2) outside；Soft package lithium ion power battery (1) one side seal has PP to manage (14), PP pipe (14) other end is connected with inside and outside cross over pipe (24), inside and outside cross over pipe (24) connects has collection device (211), collection device (211) to be arranged on Pressurized-heated Sealing Arrangement (2) outward；Pressurized-heated Sealing Arrangement (2) is provided above transitional storehouse (210) and heater strip (27), and Pressurized-heated Sealing Arrangement (2) right side arranges air inlet (25), Explosion-proof valve (26), temperature display (28) and pressure display screen (29).
  2. 2. a chemical synthesizing method for the soft package lithium ion power battery formation device described in the right to use 1, is characterized in that: comprise the following steps:
    Step 1: soft package lithium ion power battery is put on the battery case within Pressurized-heated Sealing Arrangement；
    Step 2: battery installation rear enclosed transfer chamber, is heated by heater strip, is heated to required chemical conversion temperature, is melted into temperature range 0 ~ 80 DEG C, and beat gases at high pressure by air inlet is that device interior pressurizes simultaneously, internal pressure scope 0.15 ~ 0.4Mpa；
    Step 3: it is that soft package lithium ion power battery is melted into that temperature and pressure start test equipment after stablizing；
    Step 4: close heating after being melted into, opens transfer chamber venting, is finally taken out from transitional storehouse by soft package lithium ion power battery.
CN201410803411.4A 2014-12-23 2014-12-23 A kind of soft package lithium ion power battery formation device and method thereof Active CN104577204B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105024098B (en) * 2015-06-03 2017-05-10 奇瑞汽车股份有限公司 Lithium ion battery formation method
CN109962306A (en) * 2017-12-14 2019-07-02 宝山钢铁股份有限公司 A kind of liquid medium temperature-control pressure-control lithium battery formation device
CN109962296A (en) * 2017-12-14 2019-07-02 宝山钢铁股份有限公司 A kind of gas medium temperature-control pressure-control lithium battery formation device
CN109962295A (en) * 2017-12-14 2019-07-02 宝山钢铁股份有限公司 A kind of temperature-control pressure-control formula formation of Li-ion batteries method
CN111628228B (en) * 2020-06-04 2023-10-03 萨姆蒂萨集成设备设计(邢台)有限公司 Preparation method of liquid lithium ion pole piece battery pack
CN111628136A (en) * 2020-06-04 2020-09-04 萨姆蒂萨（天津）数据信息技术有限公司 Lithium ion pole piece battery pack liquid injection and opening activation method
CN114628791A (en) * 2022-01-29 2022-06-14 北京新能源汽车股份有限公司 Battery cell, method for improving high-temperature performance of battery cell, battery and new energy vehicle

Citations (4)

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CN101079509A (en) * 2006-05-22 2007-11-28 比亚迪股份有限公司 A making method for lithium ion secondary cell
CN202145481U (en) * 2011-06-28 2012-02-15 中航锂电（洛阳）有限公司 Lithium battery vacuum formation device
CN102637904A (en) * 2012-04-16 2012-08-15 宁德新能源科技有限公司 Pressurized soft-packaging lithium ion battery formation equipment
CN204391211U (en) * 2014-12-23 2015-06-10 山东精工电子科技有限公司 A kind of soft package lithium ion power battery formation device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101079509A (en) * 2006-05-22 2007-11-28 比亚迪股份有限公司 A making method for lithium ion secondary cell
CN202145481U (en) * 2011-06-28 2012-02-15 中航锂电（洛阳）有限公司 Lithium battery vacuum formation device
CN102637904A (en) * 2012-04-16 2012-08-15 宁德新能源科技有限公司 Pressurized soft-packaging lithium ion battery formation equipment
CN204391211U (en) * 2014-12-23 2015-06-10 山东精工电子科技有限公司 A kind of soft package lithium ion power battery formation device

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Address after: High tech Zone 277800 Shandong city of Zaozhuang province Thailand five Road Industrial Park, Fuyuan Electronics Group.

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