CN205790229U - Laminated battery unit manufacturing device - Google Patents
Laminated battery unit manufacturing device Download PDFInfo
- Publication number
- CN205790229U CN205790229U CN201620496365.2U CN201620496365U CN205790229U CN 205790229 U CN205790229 U CN 205790229U CN 201620496365 U CN201620496365 U CN 201620496365U CN 205790229 U CN205790229 U CN 205790229U
- Authority
- CN
- China
- Prior art keywords
- pole piece
- positive
- barrier film
- unit
- negative 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.)
- Withdrawn - After Issue
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000003475 lamination Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims description 66
- 230000003028 elevating effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000004804 winding 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
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a laminated battery unit manufacturing device, which comprises a diaphragm cutting and transferring device, a pole piece transferring device and a conveying belt; the two pole piece transfer devices are respectively a positive pole piece transfer device and a negative pole piece transfer device; the diaphragm cutting and transferring device is provided with two diaphragms, is respectively arranged beside the positive and negative plate transferring devices and is used for transferring the diaphragms to the positive and negative plate lamination positions after being cut; the positive and negative electrode piece transfer devices are respectively used for transferring the positive and negative electrode pieces to positive and negative electrode piece lamination positions to form positive and negative electrode piece diaphragm units with the diaphragms, and then transferring the positive and negative electrode piece diaphragm units to the conveying belt to form the laminated battery unit. The device provided by the utility model can compound the pole pieces into a plurality of layers of small battery units, and then the small units are made into batteries, so that the positive pole piece lamination procedure and the negative pole piece lamination procedure can be separated, half of lamination time is saved, and the production efficiency is greatly improved; moreover, the device can be integrated into a production line, and is particularly suitable for large-scale production of laminated batteries.
Description
Technical field
This utility model relates to a kind of battery producing device, is specifically related to a kind of laminated batteries unit producing device.
Background technology
The manufacture method that lithium ion battery is conventional is takeup type manufacture method, and this method has that production efficiency is high, cost is relatively low, simple operation and other advantages, but it has equally shortcomings such as internal resistance is big, cycle performance general, high rate charge-discharge poor performance.These shortcomings make winding type lithium ion battery be greatly limited as power source.The battery that lamination process makes has that internal resistance is little, good cycle, can be suitable as power source with advantages such as high rate charge-discharges, thus receive more and more attention, and shared by laminated batteries, the market share also steps up.But laminated batteries complex manufacturing process, inefficiency, first-pass yield is low, and production cost is higher, thus development receives a definite limitation.
Utility model content
The purpose of this utility model is to provide a kind of laminated batteries unit producing device, can save the lamination time, improve production efficiency, reduce production cost.
For achieving the above object, this utility model have employed techniques below scheme:
A kind of laminated batteries unit producing device, including barrier film cutting and transfer device, pole piece transfer device and conveyer belt；Described pole piece transfer device has two, respectively positive plate transfer device and negative plate transfer device；Described barrier film cutting and transfer device has two, is respectively placed in positive and negative plate transfer device side, is transferred to positive and negative plate lamination position after being cut off by barrier film；Described positive and negative plate transfer device forms positive and negative plate diaphragm cell with barrier film after being respectively used to positive and negative plate is transferred to positive and negative plate lamination position, then is transferred to positive and negative plate diaphragm cell on conveyer belt form laminated batteries unit.
In technique scheme:
Described barrier film cutting and transfer device includes the membrane unwinding device for depositing barrier film, is used for drawing the barrier film traction apparatus of barrier film and the intermediate station as positive and negative plate lamination position；Described film barrier film traction apparatus is provided above barrier film shearing device, longitudinal shifting apparatus and the barrier film grabbing device being connected with longitudinal shifting apparatus；The barrier film pulled out is cut off by described barrier film shearing device, and is captured the barrier film after cutting off by barrier film grabbing device, and the barrier film after cut-out transfers load to intermediate station by longitudinal shifting apparatus.
Described pole piece transfer device includes full pole piece cartridge clip, empty pole piece cartridge clip, Roller conveyor, elevating mechanism, pole piece grabbing device, pole piece shifting apparatus, unit picks device and unit shifting apparatus；Described full pole piece cartridge clip is positioned at upper strata, and empty pole piece cartridge clip is positioned at lower floor, is respectively provided with Roller conveyor bottom full pole piece cartridge clip and empty pole piece cartridge clip, and the Roller conveyor of upper and lower layer is substituted by elevating mechanism；Described pole piece grabbing device is connected with pole piece shifting apparatus, and pole piece grabbing device transfers load to positive and negative plate lamination position by pole piece shifting apparatus after capturing the positive and negative plate in full pole piece cartridge clip；Described unit picks device is connected with unit shifting apparatus, and unit picks device transfers load to conveyer belt by unit shifting apparatus after being used for capturing positive and negative plate diaphragm cell.
Described conveyer belt is a conveyer belt, and conveyer belt is provided with unit draw-in groove.Obviously, it is conventional selection that two pole piece transfer devices are distributed in conveyer belt both sides.
Preferably, described intermediate station and unit draw-in groove are provided with two grooves, in order to the pinch of fixture stretches into and extracts out；The size of intermediate station and unit draw-in groove is also adjustable, to make the battery of different model.
General, the Grasp Modes of described barrier film grabbing device can use vacuum cup, Electrostatic Absorption or fixture gripping.Described laminated batteries unit is positive pole-barrier film-negative pole-diaphragm cell unit or negative pole-barrier film-positive pole-diaphragm cell unit.
The beneficial effects of the utility model are:
The laminated batteries unit producing device that this utility model provides, pole piece first can be combined into the battery junior unit of several layers, the most again these junior units are fabricated to battery, positive plate lamination can be separated with negative plate lamination operation, be equivalent to save the lamination time of half, substantially increase production efficiency；And, this device can be integrated into a production line with multiple stage, can further improve production efficiency；Additionally, this device is applicable to make the battery of different model；Therefore, the device that this utility model provides is particularly suitable for the large-scale production of laminated batteries.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model preferred embodiment；
Fig. 2 is the barrier film cutting and transfer device in Fig. 1 embodiment and the structural representation of conveyer belt；
Fig. 3 is the structural representation of the pole piece transfer device in Fig. 1 embodiment.
Figure is numbered: 1, barrier film cutting and transfer device；101, membrane unwinding device；111, barrier film traction apparatus；121, barrier film shearing device；131, longitudinal shifting apparatus；132, barrier film grabbing device；141, intermediate station；2, pole piece transfer device；201, full pole piece cartridge clip；202, empty pole piece cartridge clip；203, Roller conveyor；204, elevating mechanism；211, pole piece grabbing device；212, pole piece shifting apparatus；221, unit picks device；222, unit shifting apparatus；3, conveyer belt；302, unit draw-in groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further:
As it is shown in figure 1, the laminated batteries unit producing device of the present embodiment, including barrier film cutting and transfer device 1, pole piece transfer device 2 and conveyer belt 3；Pole piece transfer device 2 has two, and respectively positive plate transfer device and negative plate transfer device, be distributed in the both sides of conveyer belt 3；Barrier film cutting and transfer device 1 also has two, is respectively placed in positive and negative plate transfer device side, and i.e. two barrier film cutting and transfer devices 1 are also distributed in conveyer belt 3 both sides；Barrier film cutting and transfer device 1 is transferred to positive and negative plate lamination position after barrier film is cut into length-specific；Positive and negative plate transfer device forms positive and negative plate diaphragm cell with barrier film after being respectively used to positive and negative plate is transferred to positive and negative plate lamination position, then is transferred to positive and negative plate diaphragm cell on conveyer belt 3 form laminated batteries unit.
With further reference to Fig. 2, barrier film cutting and transfer device 1 includes the membrane unwinding device 101 for depositing barrier film, is used for drawing the barrier film traction apparatus 111 of barrier film and the intermediate station 141 as positive and negative plate lamination position；Film barrier film traction apparatus 111 is provided above barrier film shearing device 121, longitudinal shifting apparatus 131 and the barrier film grabbing device 132 being connected with longitudinal shifting apparatus 131；The barrier film pulled out is cut off by barrier film shearing device 121, and is captured the barrier film after cut-out by barrier film grabbing device 132, and the barrier film after cut-out transfers load to intermediate station 141 by longitudinal shifting apparatus 131；The Grasp Modes of barrier film grabbing device 132 can use vacuum cup, Electrostatic Absorption or fixture gripping.
With further reference to Fig. 3, pole piece transfer device 2 includes full pole piece cartridge clip 201, empty pole piece cartridge clip 202, Roller conveyor 203, elevating mechanism 204, pole piece grabbing device 211, pole piece shifting apparatus 212, unit picks device 221 and unit shifting apparatus 222；Full pole piece cartridge clip 201 is positioned at upper strata, and empty pole piece cartridge clip 202 is positioned at lower floor, is respectively provided with Roller conveyor 203 bottom full pole piece cartridge clip 201 and empty pole piece cartridge clip 202, and the Roller conveyor 203 of upper and lower layer is substituted by elevating mechanism 204；Pole piece grabbing device 211 is connected with pole piece shifting apparatus 212, and pole piece grabbing device 211 transfers load to positive and negative plate lamination position by pole piece shifting apparatus 212 after capturing the positive and negative plate in full pole piece cartridge clip 201；Unit picks device 221 is connected with unit shifting apparatus 222, and unit picks device 221 transfers load to conveyer belt 3 by unit shifting apparatus 222 after being used for capturing positive and negative plate diaphragm cell.
Wherein, conveyer belt 3 is a conveyer belt, and conveyer belt is provided with unit draw-in groove 302.Intermediate station 141 and unit draw-in groove 302 are provided with two grooves, in order to the pinch of fixture stretches into and extracts out；The size of intermediate station 141 and unit draw-in groove 302 is also adjustable, to make the battery lamination of different model.
The work process of this laminated batteries unit producing device is:
Barrier film traction apparatus 111 in barrier film cutting and transfer device 1, is captured by barrier film grabbing device 132 after barrier film pulls certain length and cuts off through barrier film shearing device 121, is then transferred to intermediate station 141 by longitudinal shifting apparatus 131；Placing pole piece simultaneously in full pole piece cartridge clip 201 in pole piece transfer device 2, be transferred to required station through Roller conveyor 203, pole piece grabbing device 211 captures pole piece and is transferred to intermediate station 141 by pole piece shifting apparatus 212, forms pole piece diaphragm cell；When in full pole piece cartridge clip 201, pole piece is taken, Roller conveyor 203 drops to lower floor through elevating mechanism 204 and is removed by sky pole piece cartridge clip 202, and then Roller conveyor 203 rises to upper strata through elevating mechanism 204 again, and full pole piece cartridge clip 201 enters station；Unit picks device 221 in pole piece transfer device 2 captures the pole piece diaphragm cell at intermediate station 141, and is transferred in the unit draw-in groove 302 of pipeline 3 by unit shifting apparatus 222.Meanwhile, the pole piece transfer device of pipeline another side and barrier film cutting and transferring unit can make the pole piece diaphragm cell of opposite polarity and be transferred to the unit draw-in groove 302 of pipeline 3, thus forming positive pole-barrier film-negative pole-diaphragm cell unit or negative pole-barrier film-positive pole-diaphragm cell unit, laminated batteries unit completes.
This utility model is applicable to liquid lithium ionic cell, polymer Li-ion battery, sodium-ion battery, Magnesium ion battery etc..When for lithium ion battery, cell positive material is one or more in the rich lithium phase material such as LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt lithium aluminate, cell negative electrode material is one or more in the materials such as carbons, silicon class, alloy type, lithium titanate, and battery diaphragm is the one in polyethylene diagrams, polypropylene diaphragm, polypropylene-polyethylene composite diaphragm, non-woven fabrics, polyvinylidene fluoride polymer barrier film, gluing barrier film or ceramic diaphragm.
Embodiment described above is only to be described preferred implementation of the present utility model; not scope of the present utility model is defined; on the premise of without departing from this utility model design spirit; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims determine.
Claims (9)
1. a laminated batteries unit producing device, it is characterised in that: include barrier film cutting and transfer device (1), pole piece transfer device (2) and conveyer belt (3)；Described pole piece transfer device (2) has two, respectively positive plate transfer device and negative plate transfer device；Described barrier film cutting and transfer device (1) has two, is respectively placed in positive and negative plate transfer device side, is transferred to positive and negative plate lamination position after being cut by barrier film；Described positive and negative plate transfer device forms positive and negative plate diaphragm cell with barrier film after being respectively used to positive and negative plate is transferred to positive and negative plate lamination position, then positive and negative plate diaphragm cell is transferred to conveyer belt (3) upper formation laminated batteries unit.
Laminated batteries unit producing device the most according to claim 1, it is characterized in that: described barrier film cutting and transfer device (1) includes the membrane unwinding device (101) for depositing barrier film, be used for drawing the barrier film traction apparatus (111) of barrier film and the intermediate station (141) as positive and negative plate lamination position；Described barrier film traction apparatus (111) is provided above barrier film shearing device (121), longitudinal shifting apparatus (131) and the barrier film grabbing device (132) being connected with longitudinal shifting apparatus (131)；The barrier film pulled out is cut off by described barrier film shearing device (121), and is captured the barrier film after cutting off by barrier film grabbing device (132), and the barrier film after cut-out transfers load to intermediate station (141) by longitudinal shifting apparatus (131).
Laminated batteries unit producing device the most according to claim 1, it is characterised in that: described pole piece transfer device (2) includes full pole piece cartridge clip (201), empty pole piece cartridge clip (202), Roller conveyor (203), elevating mechanism (204), pole piece grabbing device (211), pole piece shifting apparatus (212), unit picks device (221) and unit shifting apparatus (222)；Described full pole piece cartridge clip (201) is positioned at upper strata, empty pole piece cartridge clip (202) is positioned at lower floor, full pole piece cartridge clip (201) and empty pole piece cartridge clip (202) bottom are respectively provided with Roller conveyor (203), and the Roller conveyor (203) of upper and lower layer is substituted by elevating mechanism (204)；Described pole piece grabbing device (211) is connected with pole piece shifting apparatus (212), and pole piece grabbing device (211) transfers load to positive and negative plate lamination position by pole piece shifting apparatus (212) after being used for capturing the positive and negative plate in full pole piece cartridge clip (201)；Described unit picks device (221) is connected with unit shifting apparatus (222), and unit picks device (221) transfers load to conveyer belt (3) by unit shifting apparatus (222) after being used for capturing positive and negative plate diaphragm cell.
Laminated batteries unit producing device the most according to claim 1, it is characterised in that: described conveyer belt (3) is a conveyer belt, and conveyer belt is provided with unit draw-in groove (302).
5. according to the laminated batteries unit producing device described in claim 1 or 4, it is characterised in that: described pole piece transfer device (2) is distributed in the both sides of conveyer belt (3).
Laminated batteries unit producing device the most according to claim 2, it is characterised in that: the Grasp Modes of described barrier film grabbing device (132) uses vacuum cup, Electrostatic Absorption or fixture gripping.
Laminated batteries unit producing device the most according to claim 2, it is characterised in that: described intermediate station (141) is provided with two grooves, the size scalable of intermediate station (141).
Laminated batteries unit producing device the most according to claim 4, it is characterised in that: described unit draw-in groove (302) is provided with two grooves, the size scalable of unit draw-in groove (302).
Laminated batteries unit producing device the most according to claim 1, it is characterised in that: described laminated batteries unit is positive pole-barrier film-negative pole-diaphragm cell unit or negative pole-barrier film-positive pole-diaphragm cell unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496365.2U CN205790229U (en) | 2016-05-29 | 2016-05-29 | Laminated battery unit manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496365.2U CN205790229U (en) | 2016-05-29 | 2016-05-29 | Laminated battery unit manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790229U true CN205790229U (en) | 2016-12-07 |
Family
ID=57407116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620496365.2U Withdrawn - After Issue CN205790229U (en) | 2016-05-29 | 2016-05-29 | Laminated battery unit manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205790229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845987A (en) * | 2016-05-29 | 2016-08-10 | 合肥国轩高科动力能源有限公司 | Laminated battery unit manufacturing device |
| CN112490589A (en) * | 2020-04-08 | 2021-03-12 | 万向一二三股份公司 | Diaphragm and lamination process using same |
-
2016
- 2016-05-29 CN CN201620496365.2U patent/CN205790229U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845987A (en) * | 2016-05-29 | 2016-08-10 | 合肥国轩高科动力能源有限公司 | Laminated battery unit manufacturing device |
| CN105845987B (en) * | 2016-05-29 | 2018-05-11 | 合肥国轩高科动力能源有限公司 | Laminated battery unit manufacturing device |
| CN112490589A (en) * | 2020-04-08 | 2021-03-12 | 万向一二三股份公司 | Diaphragm and lamination process using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180511 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180511 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |