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KR101798708B1 - Charging and Discharging Device of Battery Cell - Google Patents

Charging and Discharging Device of Battery Cell Download PDF

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Publication number
KR101798708B1
KR101798708B1 KR1020150050379A KR20150050379A KR101798708B1 KR 101798708 B1 KR101798708 B1 KR 101798708B1 KR 1020150050379 A KR1020150050379 A KR 1020150050379A KR 20150050379 A KR20150050379 A KR 20150050379A KR 101798708 B1 KR101798708 B1 KR 101798708B1
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battery cell
charging
discharging
supporting
electrode terminal
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KR20160121021A (en
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고현경
이정규
김현진
남상봉
유형남
서동희
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주식회사 엘지화학
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

본 발명은 전지셀을 충방전하는 전지셀의 충방전장치에 관한 것으로서, 상면에 전지셀이 배치되는 베이스부재; 상기 베이스부재의 상부에 구비되고, 상기 전지셀의 전극단자에 접촉되면서 상기 전지셀을 충방전하는 충방전부재; 및 상기 전지셀이 폭방향으로 팽창하지 않도록 상기 전지셀의 측부를 지지하는 지지부재를 포함할 수 있다.The present invention relates to a charging / discharging apparatus for a battery cell for charging / discharging a battery cell, A charging / discharging unit provided on the base member for charging / discharging the battery cell while being in contact with an electrode terminal of the battery cell; And a support member for supporting the side portion of the battery cell so that the battery cell does not expand in the width direction.

Description

전지셀의 충방전장치{Charging and Discharging Device of Battery Cell}[0001] The present invention relates to a charging and discharging device for a battery cell,

본 발명은 전지셀의 충방전장치에 관한 것으로서, 특히 전지셀의 충방전시 발생하는 전지셀의 두께 증대를 개선한 전지셀의 충방전장치에 관한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging / discharging apparatus for a battery cell, and more particularly to a charging / discharging apparatus for a battery cell which improves the thickness of a battery cell caused by charging / discharging of the battery cell.

일반적으로 전지셀은 양극/분리막/음극 구조의 전극조립체와, 상기 전극조립체가 내장되는 파우치를 포함한다. Generally, a battery cell includes an electrode assembly having a positive electrode / separator / negative electrode structure and a pouch in which the electrode assembly is embedded.

이러한 전지셀은 제조 공정에서 충방전에 의해 전지를 활성화시키는 활성화 공정을 거치며, 이때 충방전장치를 사용한다.
Such a battery cell undergoes an activation process of activating the battery by charge and discharge in the manufacturing process, and the charge / discharge device is used at this time.

특허공개번호 제10-20130-128033호Patent Publication No. 10-20130-128033

종래기술에 따른 전지셀의 충방전장치는 각형 전지셀이 배치되는 베이스부재와, 상기 전지셀의 전극단자에 접촉되면서 상기 전지셀을 충방전하는 충전핀을 가지는 충방전부재를 포함한다.The charging and discharging apparatus of the battery cell according to the related art includes a base member on which the prismatic battery cells are disposed and a charging and discharging member having charging pins for charging and discharging the battery cells while being in contact with the electrode terminals of the battery cells.

그러나 종래기술에 따른 전지셀의 충방전장치는 충방전시 전지셀 내부에 가스가 발생하면서 두께가 증대되는 문제가 있으며, 이 전지셀의 두께 증대로 인해 전지셀의 성능 저하가 발생한다.However, in the battery cell charging / discharging device according to the related art, there is a problem that the thickness of the battery cell is increased while gas is generated in the battery cell during charging / discharging, and the performance of the battery cell deteriorates due to an increase in thickness of the battery cell.

본 발명은 상술한 문제를 해결하기 위하여 안출된 것으로, 본 발명의 목적은 전지셀의 충방전시 가스 발생으로 인한 전지셀의 두께 증대를 방지하고, 전지셀의 성능 저하를 방지하는 전지셀의 충방전장치를 제공하는데 있다.
SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and an object of the present invention is to provide a battery cell, which prevents an increase in thickness of the battery cell due to generation of a gas during charging and discharging of the battery cell, And a discharge device.

상술한 과제를 해결하기 위한 수단으로서, 본 발명에 따른 각형 전지셀을 충방전하는 전지셀의 충방전장치는 상면에 전지셀이 배치되는 베이스부재; 상기 베이스부재의 상부에 구비되고, 상기 전지셀의 전극단자에 접촉되면서 상기 전지셀을 충방전하는 충방전부재; 및 상기 전지셀이 폭방향으로 팽창하지 않도록 상기 전지셀의 측부를 지지하는 지지부재를 포함할 수 있다.As a means for solving the above problems, a charge / discharge device for a battery cell for charging / discharging a prismatic battery cell according to the present invention includes: a base member having a battery cell disposed on an upper surface thereof; A charging / discharging unit provided on the base member for charging / discharging the battery cell while being in contact with an electrode terminal of the battery cell; And a support member for supporting the side portion of the battery cell so that the battery cell does not expand in the width direction.

상기 지지부재는 상기 전지셀의 측부에 지지되는 지지편과, 상기 지지편을 이동시켜서 상기 전지셀의 측부에 지지시키는 이동편을 포함할 수 있다.The supporting member may include a supporting piece supported on the side of the battery cell and a moving piece for supporting the supporting piece on the side of the battery cell by moving the supporting piece.

상기 지지부재는 상기 전지셀의 양측부를 각각 지지하도록 한 쌍으로 마련될 수 있다.The support member may be provided in a pair so as to support both side portions of the battery cell.

상기 베이스부재는 상기 전지셀이 삽입되는 하나 이상의 포켓부를 포함할 수 있다.The base member may include one or more pocket portions into which the battery cells are inserted.

상기 충방전부재는 상기 전지셀의 전극단자를 향해 이동 가능하게 구비되는 승강부와, 상기 전극단자에 접촉되는 충전핀을 가지는 충방전부를 포함할 수 있다.The charging / discharging member may include a charging / discharging unit having a charging / discharging unit including a charging / discharging unit contacting the electrode terminal and a charging / discharging unit movably provided toward the electrode terminal of the battery cell.

상기 충방전부재가 상기 전극단자에 접촉되면 상기 지지부재가 상기 전지셀의 측부를 지지하는 한편, 상기 충방전부재가 상기 전극단자로부터 이탈되면 상기 지지부재가 상기 전지셀의 측부로부터 이탈할 수 있다.When the charging / discharging member contacts the electrode terminal, the supporting member supports the side portion of the battery cell, and when the charging / discharging member is separated from the electrode terminal, the supporting member can be separated from the side portion of the battery cell .

상기 지지부재는 상기 전지셀의 상부 측면을 지지할 수 있다.
The supporting member may support the upper side surface of the battery cell.

본 발명은 하기와 같은 효과가 있다.The present invention has the following effects.

첫째: 전지셀의 측부를 지지하는 지지부재가 포함된 충방전장치를 마련함으로써 전지셀의 충방전시 가스 발생으로 인한 전지셀의 두께 증대를 방지하여 전지셀의 성능 저하를 방지할 수 있다.First, by providing a charging / discharging device including a supporting member for supporting a side portion of a battery cell, it is possible to prevent the battery cell from being deteriorated in performance by preventing an increase in thickness of the battery cell due to generation of gas during charging and discharging of the battery cell.

둘째: 충방전장치의 지지부재는 지지편과 이동편을 포함함으로써 전지셀의 측면을 안정적으로 지지할 수 있어 전지셀의 두께 증대를 방지할 수 있으며, 특히 다양한 크기의 각형 전지셀에 호환성 있게 사용할 수 있다.Secondly, since the supporting member of the charging and discharging device can support the side surface of the battery cell stably by including the supporting piece and the moving piece, it is possible to prevent the thickness of the battery cell from increasing, .

셋째: 충방전장치는 충방전부재와 지지부재가 연동하여 작동함으로써 작업의 연속성을 높일 수 있다.
Third: The charging / discharging device can operate continuously with the charging / discharging member and the supporting member.

도 1은 본 발명에 따른 전지셀의 충방전장치를 도시한 사시도.
도 2는 본 발명에 따른 전지셀의 충방전장치를 도시한 부분 확대 정면도.
도 3은 본 발명에 따른 전지셀의 충방전장치를 도시한 부분 확대 측면도.
도 4 및 도 5는 본 발명에 따른 전지셀의 충방전장치의 작동상태를 나타낸 도면.1 is a perspective view illustrating a charging / discharging device of a battery cell according to the present invention.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging / discharging apparatus for a battery cell.
3 is a partially enlarged side view showing a charging / discharging device of a battery cell according to the present invention.
FIG. 4 and FIG. 5 are diagrams illustrating an operation state of the charge / discharge device of the battery cell according to the present invention. FIG.

이하, 첨부한 도면을 참조하여 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예를 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 붙였다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

본 발명에 따른 전지셀의 충방전장치는 도 1 및 도 2에 도시되어 있는 것과 같이, 전지셀을 충방전하기 위한 것으로, 상면에 전지셀(10)이 배치되는 베이스부재(110), 베이스부재(110)에 배치된 전지셀(10)을 충방전하는 충방전부재(120), 및 전지셀(10)이 폭방향으로 팽창하지 않도록 전지셀(10)의 측부를 지지하는 지지부재(130)를 포함한다.As shown in FIGS. 1 and 2, the charging and discharging apparatus for a battery cell according to the present invention is for charging and discharging a battery cell, and includes a base member 110 on which a battery cell 10 is disposed, A charging and discharging member 120 for charging and discharging the battery cell 10 disposed in the battery cell 110 and a supporting member 130 for supporting the side portion of the battery cell 10 such that the battery cell 10 is not expanded in the width direction, .

여기서 전지셀(10)은 전극단자(11)가 상면에 형성된 각형 전지셀일 수 있다. Here, the battery cell 10 may be a prismatic battery cell having an electrode terminal 11 formed on its upper surface.

베이스부재(110)는 전지셀을 고정하기 위한 것으로, 상면에 하나 이상의 전지셀(10)이 배치된다. 여기서 베이스부재(110)는 전지셀(10)을 안정적으로 고정하기 위해 전지셀(10)이 삽입되는 하나 이상의 포켓부(111)를 포함한다. 즉, 하나 이상의 포켓부(111)에 삽입된 전지셀(10)은 충방전부재(120)에 의해 충방전이 진행됨과 동시에 지지부재(130)에 의해 전지셀(10)의 측부가 지지된다.The base member 110 is for fixing the battery cell, and one or more battery cells 10 are disposed on the upper surface. The base member 110 includes at least one pocket portion 111 into which the battery cell 10 is inserted to stably fix the battery cell 10. That is, the battery cell 10 inserted into one or more pocket portions 111 is charged / discharged by the charge / discharge member 120 and the side portion of the battery cell 10 is supported by the support member 130.

충방전부재(120)는 전지셀을 충방전하기 위한 것으로, 베이스부재(110)의 상부에 구비되고 전지셀(10)의 전극단자(11)를 향해 이동 가능하게 구비되는 승강부(121)와, 전극단자(11)에 접촉되는 충전핀(122a)을 가지는 충방전부(122)를 포함한다.The charging and discharging member 120 is for charging and discharging the battery cell and includes a lifting part 121 provided on the base member 110 and movable toward the electrode terminal 11 of the battery cell 10, And a charging part 122 having a charging pin 122a which contacts the electrode terminal 11. [

지지부재(130)는 충방전부재에 의해 전지셀의 충방전시 전지셀의 폭방향 팽창을 방지하기 위한 것으로, 전지셀(10)의 측부에 지지되는 지지편(131)과, 지지편(131)을 이동시켜서 전지셀(10)의 측부에 지지시키는 이동편(132)을 포함한다.The support member 130 is for preventing expansion of the battery cell in the width direction during charging and discharging of the battery cell by the charge and discharge member and includes a support piece 131 supported on the side of the battery cell 10, And a moving piece 132 for supporting the battery cell 10 on the side of the battery cell 10.

한편, 지지부재(130)는 전지셀(10)의 양측부를 각각 지지하도록 한 쌍으로 마련되며, 이에 전지셀(10)의 측부를 보다 안정적으로 지지할 수 있다.Meanwhile, the support members 130 are provided in pairs so as to respectively support both side portions of the battery cell 10, so that the side portions of the battery cell 10 can be more stably supported.

한편, 지지부재(130)는 전지셀(10)의 측부 상단을 지지할 수 있다. 즉, 각형 전지셀(10)의 충방전시 발생하는 가스가 전지셀(10)의 내부 상단에 집중되면서 전지셀(10)의 상부 팽창이 크게 발생하며, 이에 지지부재(130)는 전지셀(10)의 상부 측면을 지지함에 따라 전지셀(10) 상부의 두께 팽창을 방지할 수 있다.On the other hand, the support member 130 can support the side upper end of the battery cell 10. That is, the gas generated during the charging and discharging of the prismatic battery cell 10 is concentrated on the inner upper end of the battery cell 10, causing a large expansion of the battery cell 10, 10 of the battery cell 10 can be prevented from being expanded.

이와 같은 지지부재(130)는 충방전부재(120)의 충방전부(122)가 전지셀(10)의 전극단자(11)에 접촉되면 이동편(132)에 의해 지지편(131)이 이동하면서 전지셀(10)의 상부 측면에 지지되며, 이때 이동편(132)은 지지편(131)을 이동시키는 힘을 유지하여 전지셀(10)의 팽창으로 인한 압력을 지지편(131)가 안정적으로 지지한다. 즉, 지지편(131)은 전지셀(10)의 측면을 소정의 힘으로 가압하여 전지셀(10)의 두께 팽창을 방지한다.When the charging member 122 of the charging / discharging member 120 contacts the electrode terminal 11 of the battery cell 10, the supporting member 130 is moved by the moving piece 132 The moving piece 132 maintains the force for moving the supporting piece 131 so that the pressure due to the expansion of the battery cell 10 can be reliably maintained by the supporting piece 131 in a stable manner . That is, the support piece 131 presses the side surface of the battery cell 10 with a predetermined force to prevent the battery cell 10 from being expanded in thickness.

이와 같이 본 발명에 따른 전지셀의 충방전장치는 전지셀(10)의 충방전시 전지셀(10)의 측부를 지지하여 전지셀(10)의 폭방향 두께 팽창을 방지하며, 이에 전지셀의 성능저하를 방지할 수 있다.
As described above, the charging and discharging apparatus of the battery cell according to the present invention supports the side portion of the battery cell 10 during charging and discharging of the battery cell 10 to prevent the battery cell 10 from being expanded in the width direction, The performance degradation can be prevented.

이하, 본 발명에 따른 전지셀의 충방전장치의 작동상태를 설명한다.Hereinafter, the operation of the charge / discharge device of the battery cell according to the present invention will be described.

먼저, 도 4에 도시되어 있는 것과 같이, 베이스부재(110)의 포켓부(111)에 전지셀(10)을 삽입하여 배치한다. First, as shown in FIG. 4, the battery cell 10 is inserted into and disposed in the pocket portion 111 of the base member 110.

그런 다음, 충방전부재(120)의 승강부(121)를 작동시켜서 충방전부(122)를 전지셀(10)을 향하게 하강시키며, 이에 충방전부(122)의 충전핀(122a)이 전지셀(10)의 전극단자에 접촉되면서 충방전지 진행된다. 이때 지지부재(130)는 충방전부재(120)와 연동하여 전지셀(10)을 향해 하강한다.Then, the lifting portion 121 of the charging and discharging member 120 is operated to lower the charging charging portion 122 toward the battery cell 10, and the charging pin 122a of the charging charging portion 122 contacts the battery cell 10, the battery is advanced. At this time, the support member 130 moves down toward the battery cell 10 in cooperation with the charge / discharge member 120.

그런 다음, 충전핀(122a)이 전극단자(11)에 접촉되면, 도 5에 도시되어 있는 것과 같이, 이동편(132)을 작동시켜서 지지편(131)을 전지셀(10)의 측면에 가압되게 이동시킨다.5, when the charging pin 122a contacts the electrode terminal 11, the moving piece 132 is operated to press the supporting piece 131 against the side surface of the battery cell 10 .

이와 같은 상태에서 전지셀(10)의 충방전시 두께 팽창이 발생할 경우 지지편(131)이 전지셀(10)의 측면을 가압하여 지지하고 있어 전지셀(10)의 두께 팽창을 방지하며, 전지셀(10)의 성능 저하를 방지할 수 있다.In this state, when the thickness expansion of the battery cell 10 occurs during charging / discharging of the battery cell 10, the support piece 131 presses and supports the side surface of the battery cell 10 to prevent the battery cell 10 from being expanded in thickness, Deterioration of the performance of the cell 10 can be prevented.

본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.
The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

110: 베이스부재
111: 포켓부
120: 충방전부재
121: 승강부
122: 충방전부
122a: 충전핀
130: 지지부재
131: 지지편
132: 이동편 110: Base member
111: pocket portion
120: charge / discharge member
121:
122:
122a: Charging pin
130: Support member
131:
132:

Claims (8)

전지셀을 충방전하는 전지셀의 충방전장치로서,
상면에 전지셀이 배치되는 베이스부재;
상기 베이스부재의 상부에 구비되고, 상기 전지셀의 전극단자에 접촉되면서 상기 전지셀을 충방전하는 충방전부재; 및
상기 전지셀이 폭방향으로 팽창하지 않도록 상기 전지셀의 측부를 지지하는 지지부재를 포함하고,
상기 충방전부재가 상기 전극단자에 접촉되면 상기 지지부재가 상기 전지셀의 측부를 지지하는 한편, 상기 충방전부재가 상기 전극단자로부터 이탈되면 상기 지지부재가 상기 전지셀의 측부로부터 이탈하며,
상기 지지부재는 충방전부재와 연동하여 전지셀을 향해 하강하고,
상기 지지부재는 상기 전지셀의 상부 측면을 지지하는 것을 특징으로 하는 전지셀의 충방전장치.A charging / discharging device for a battery cell for charging / discharging a battery cell,
A base member having a battery cell disposed on an upper surface thereof;
A charging / discharging unit provided on the base member for charging / discharging the battery cell while being in contact with an electrode terminal of the battery cell; And
And a support member for supporting the side portion of the battery cell so that the battery cell does not expand in the width direction,
Wherein when the charging / discharging member contacts the electrode terminal, the supporting member supports the side portion of the battery cell, and when the charging / discharging member is detached from the electrode terminal, the supporting member separates from the side of the battery cell,
The supporting member is interlocked with the charging / discharging member and descends toward the battery cell,
Wherein the supporting member supports an upper side surface of the battery cell. 청구항 1에 있어서,
상기 지지부재는 상기 전지셀의 측부에 지지되는 지지편과, 상기 지지편을 이동시켜서 상기 전지셀의 측부에 지지시키는 이동편을 포함하는 것을 특징으로 하는 전지셀의 충방전장치.The method according to claim 1,
Wherein the supporting member includes a supporting piece supported on a side of the battery cell and a moving piece for supporting the supporting piece on the side of the battery cell by moving the supporting piece. 청구항 1에 있어서,
상기 지지부재는 상기 전지셀의 양측부를 각각 지지하도록 한 쌍으로 마련되는 것을 특징으로 하는 전지셀의 충방전장치.The method according to claim 1,
Wherein the support member is provided in a pair so as to support both side portions of the battery cell. 청구항 1에 있어서,
상기 베이스부재는 상기 전지셀이 삽입되는 하나 이상의 포켓부를 포함하는 것을 특징으로 하는 전지셀의 충방전장치.The method according to claim 1,
Wherein the base member includes one or more pocket portions into which the battery cells are inserted. 청구항 1에 있어서,
상기 충방전부재는 상기 전지셀의 전극단자를 향해 이동 가능하게 구비되는 승강부와, 상기 전극단자에 접촉되는 충전핀을 가지는 충방전부를 포함하는 것을 특징으로 하는 전지셀의 충방전장치.The method according to claim 1,
Wherein the charging / discharging member includes a charging / discharging unit having a charging / discharging unit having a charging / discharging unit contacting the electrode terminal and a charging / discharging unit movably provided toward the electrode terminal of the battery cell. 삭제delete 삭제delete 청구항 1에 있어서,
상기 전지셀은 전극단자가 상면에 형성된 각형 전지셀인 것을 특징으로 하는 전지셀의 충방전장치.The method according to claim 1,
Wherein the battery cell is a prismatic battery cell having an electrode terminal formed on an upper surface thereof.
KR1020150050379A 2015-04-09 2015-04-09 Charging and Discharging Device of Battery Cell Active KR101798708B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009104902A (en) * 2007-10-23 2009-05-14 Mitsui Mining & Smelting Co Ltd Method of manufacturing nonaqueous electrolytic solution secondary battery
JP2010140844A (en) * 2008-12-15 2010-06-24 Toyota Motor Corp Charging and discharging device
KR101173185B1 (en) 2012-05-18 2012-08-10 (주)대흥정밀산업 Squeezing tray for secondary battery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101456901B1 (en) 2012-05-16 2014-10-31 주식회사 엘지화학 Device for Removing Gas from Battery Cell

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009104902A (en) * 2007-10-23 2009-05-14 Mitsui Mining & Smelting Co Ltd Method of manufacturing nonaqueous electrolytic solution secondary battery
JP2010140844A (en) * 2008-12-15 2010-06-24 Toyota Motor Corp Charging and discharging device
KR101173185B1 (en) 2012-05-18 2012-08-10 (주)대흥정밀산업 Squeezing tray for secondary battery

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