JP2000058135A - Charging and discharging device for thin type secondary battery - Google Patents

Charging and discharging device for thin type secondary battery

Info

Publication number
JP2000058135A
JP2000058135A JP10226273A JP22627398A JP2000058135A JP 2000058135 A JP2000058135 A JP 2000058135A JP 10226273 A JP10226273 A JP 10226273A JP 22627398 A JP22627398 A JP 22627398A JP 2000058135 A JP2000058135 A JP 2000058135A
Authority
JP
Japan
Prior art keywords
contact
connection terminal
charging
secondary battery
clip
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Withdrawn
Application number
JP10226273A
Other languages
Japanese (ja)
Inventor
Toshio Sugawara
敏雄 菅原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Twicell Co Ltd
Original Assignee
Toshiba Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Battery Co Ltd filed Critical Toshiba Battery Co Ltd
Priority to JP10226273A priority Critical patent/JP2000058135A/en
Publication of JP2000058135A publication Critical patent/JP2000058135A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Secondary Cells (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a charging and discharging device for thin-type secondary batteries, capable of performing reliable initial discharge in multipurpose and mass-productive manner. SOLUTION: This charging and discharging device for thin-type secondary batteries comprises a charge and discharge rack 1, which is vertically equipped with a group of clip connect terminals 3 connected with electrode terminals of thin-type secondary batteries 2, a contact support body 4 facing opposite to the connect terminal 3 group and supporting a group of contacts 5 which make contact with and separating from the respective connect terminals 3, a supporting body moving mechanism 6 which moves the contact supporting body 4 in the prescribed directions and contacting and separating the connect terminals 3 and the corresponding contacts 5, and a charging and discharging power supply 7 connected to the contact 5 group. Here, each of the clip connect terminals 3 is composed of a supporting body 3d, a connect terminal pattern 3a formed integrally on the main surface of the supporting body 3d, a suppressing body 3e set facing opposite to the supporting body 3d and having an area (3e') making elastic contact with it, and an elastic layer (3f) integrally formed in the vicinity (3e') of the elastically contacting part of the suppressing body 3e.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は薄型二次電池充放電
用充放電装置に係り、さらに詳しくは平板型ポリマー二
次電池などの充放電処理に適する充放電装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charge / discharge device for charging / discharging a thin secondary battery, and more particularly to a charge / discharge device suitable for charging / discharging a flat polymer secondary battery or the like.

【0002】[0002]

【従来の技術】たとえば非水溶媒型電池などの二次電池
は、携帯型電話機、ビデオカメラなどの電源として、広
く実用に供されている。また、この種の電源用電池にお
いては、前記電子機器類の小形化や高性能化に伴って、
小形、軽量化、高電圧化、高容量化などが求められてい
る。このような要求に対応して、たとえば厚さ 1mm程度
の薄型ポリマー二次電池が知られている(特開平3-2304
74号公報,特開平3-225765号公報など)。
2. Description of the Related Art For example, secondary batteries such as non-aqueous solvent batteries are widely used as power sources for portable telephones and video cameras. Further, in this type of power supply battery, with the miniaturization and high performance of the electronic devices,
There is a demand for small size, light weight, high voltage, high capacity, and the like. In response to such demands, for example, a thin polymer secondary battery having a thickness of about 1 mm has been known (Japanese Patent Laid-Open No. 3-2304).
74, JP-A-3-225765, etc.).

【0003】すなわち、金属酸化物などの活物質、非水
電解液および電解質保持性ポリマーを含む正極層を集電
体に担持させて成る正極と、セパレーターの機能をする
電解質保持性のポリマー電解質系(たとえばヘキサフロ
ロプロピレン−フッ化ビニリデン共重合体などのポリマ
ー、およびリチウム塩などのエチレンカーボネート溶液
…非水電解液…の系)と、リチウムイオンを吸蔵・放出
する活物質、非水電解液および電解質保持性ポリマーを
含む負極層を集電体に担持させて成る負極とを、前記の
順序で積層し電極要素を構成し、正極および負極の裏面
側を樹脂フィルムで被覆保護・シール層(封止層)する
ことにより、シート型二次電池化している。 ところ
で、この種のシート型二次電池は、一般的に、小形で、
薄いことに伴って、電極要素からそれぞれ導出された正
極端子(外部接続端子…タブ)、および負極端子(外部
接続端子…タブ)も必然的に薄形化するとともに、寸法
・形状も多品種化している。一方、その製造工程におい
ては、シート型二次電池の場合も、他の二次電池の場合
と同様に初充電処理が行われる。
That is, a positive electrode comprising a current collector carrying a positive electrode layer containing an active material such as a metal oxide, a non-aqueous electrolyte and an electrolyte-retaining polymer; and an electrolyte-retaining polymer electrolyte system which functions as a separator. (For example, a system such as a polymer such as a hexafluoropropylene-vinylidene fluoride copolymer, and an ethylene carbonate solution such as a lithium salt, a nonaqueous electrolyte, and an active material that occludes and releases lithium ions, a nonaqueous electrolyte, A negative electrode comprising an electrolyte-retaining polymer-containing negative electrode layer supported on a current collector is laminated in the above-described order to form an electrode element, and the rear surface of the positive electrode and the negative electrode is covered with a resin film to provide a protective / sealing layer (sealing). (Stop layer) to form a sheet type secondary battery. By the way, this type of sheet secondary battery is generally small,
The positive terminal (external connection terminal ... tab) and the negative terminal (external connection terminal ... tab) which are respectively derived from the electrode elements are inevitably thinned as the thickness becomes thinner, and the variety and size and shape are increased. ing. On the other hand, in the manufacturing process, the initial charging process is performed in the case of the sheet type secondary battery as in the case of the other secondary batteries.

【0004】[0004]

【発明が解決しようとする課題】上記充放電(初充電)
処理に当たっては、たとえば厚さ0.03〜 0.1mm程度の正
の電極端子および負の電極端子に、コンタクトブローブ
のような接触端子を直接接触させることになる。しか
し、シート型二次電池(板状二次電池)の充放電処理に
当たっては、従来の円筒型二次電池に対する充放電装置
を使用できない。すなわち、円筒型二次電池は、両端側
に正・負の電極端子が分かれて導出されているため、貫
通的に円筒型二次電池を支持し、充放電用の接触端子を
有する端子台の対で、両端側を挟着して所要の充放電処
理を行うことができる。
The above charge / discharge (initial charge)
In the treatment, for example, a contact terminal such as a contact probe is brought into direct contact with a positive electrode terminal and a negative electrode terminal having a thickness of about 0.03 to 0.1 mm. However, in charging / discharging a sheet-type secondary battery (plate-shaped secondary battery), a conventional charging / discharging device for a cylindrical secondary battery cannot be used. That is, since the cylindrical secondary battery has positive and negative electrode terminals that are separately led out on both ends, the cylindrical secondary battery supports the cylindrical secondary battery in a penetrating manner, and has a terminal block having contact terminals for charging and discharging. As a pair, both ends can be sandwiched to perform required charge / discharge processing.

【0005】しかしながら、シート型二次電池の場合
は、一定の端縁部に正・負の電極端子を導出・配置した
構成となっているため、充放電用の接触端子との電気的
な接続が、前記一定端縁部において行われることにな
る。そして、一般的には、シート型二次電池を支持体面
に平面的に載置し、並列的に導出・配置されている正・
負の電極端子面に、充放電用の接触端子を当接する態様
を採らざるを得ない。
[0005] However, in the case of a sheet type secondary battery, since positive and negative electrode terminals are led out and arranged at certain edges, electrical connection with charge / discharge contact terminals is made. Is performed at the fixed edge. In general, the sheet-type secondary battery is placed on the surface of the support in a planar manner, and the positive and negative batteries are led out and arranged in parallel.
It is inevitable to adopt a mode in which the charge / discharge contact terminal is brought into contact with the negative electrode terminal surface.

【0006】ここで、シート型二次電池を支持体面に平
面的に載置することは、スペースの増大化(支持体の大
形化)を要するなどの問題を提起する。すなわち、シー
ト型二次電池の平面的な配置に伴う支持体の大形化、そ
の支持体面上における接触端子の移動操作・駆動機構の
煩雑化に伴って、充放電処理装置の大形化、さらには、
電池製造のコストアップを招来する。
Here, placing the sheet-type secondary battery on the surface of the support in a planar manner poses a problem that it requires an increase in space (enlargement of the support). That is, with the enlargement of the support due to the planar arrangement of the sheet type secondary batteries, and the complicated operation and drive mechanism for moving the contact terminals on the support surface, the enlargement of the charge / discharge processing device, Moreover,
This leads to an increase in battery manufacturing cost.

【0007】なお、シート型二次電池は、規格・寸法な
いし品種の多様化もあり、これら多品種に対応して、充
放電装置の共通化もしくは汎用性化が望まれている。
The sheet-type secondary battery has diversified specifications, dimensions, and types, and it is desired to use a common or general-purpose charging / discharging device in response to these various types.

【0008】本発明は、このような事情に対処してなさ
れたもので、汎用的、かつ量産的に信頼性の高いな初充
電処理を行うことができる薄型二次電池用充放電装置の
提供を目的とする。
The present invention has been made in view of such circumstances, and provides a thin secondary battery charging / discharging apparatus capable of performing highly reliable initial charge processing for general-purpose and mass production. With the goal.

【0009】[0009]

【課題を解決するための手段】請求項1の発明は、薄型
二次電池の電極端子に接続するクリップ型接続端子群を
垂架状に備えた充放電用ラックと、前記接続端子群に対
向して配置され、各接続端子に接離する接触子群を支持
する接触子支持体と、前記接触子支持体を所定方向に進
退させ、対応する接続端子および接触子を接離する支持
体進退機構と、前記接触子群にそれぞれ接続する充放電
電源とを有する薄型二次電池用充放電装置であって、前
記クリップ型接続端子は、支持本体、前記支持本体の一
主面に一体的に配設された接続端子パターン、前記支持
本体に対向して配置され、かつに弾撥的に対接す領域を
有する抑圧体、および前記抑圧体の弾撥的な対接部近傍
に一体的に配設された弾性体層で形成されていることを
特徴とする薄型二次電池用充放電装置である。
According to a first aspect of the present invention, there is provided a charging / discharging rack having a vertically extending clip-type connecting terminal group connected to an electrode terminal of a thin secondary battery, and a rack facing the connecting terminal group. A contact support for supporting a group of contacts coming and going to each of the connection terminals, and moving the contact support in a predetermined direction so as to move the corresponding connection terminal and the contact toward and away from the corresponding contact terminal. A charging / discharging device for a thin secondary battery having a mechanism and a charging / discharging power supply respectively connected to the contact group, wherein the clip-type connecting terminal is integrally formed on one main surface of the supporting body and the supporting body. A connection terminal pattern disposed, a suppressor disposed opposite to the support body and having a region that resiliently contacts, and a suppressor that is integrally formed near a resilient contact portion of the suppressor. Characterized by being formed of an elastic layer disposed thereon. A discharge device for a battery.

【0010】すなわち、請求項1の発明は、薄型二次電
池の製造工程で行われる薄型二次電池の充放電処理に、
薄型二次電池の寸法・規格に拘りなく、フレキシブルに
対応できる機能を持たせる一方、一括的な充放電処理を
可能にして、生産性の向上や製造装置など簡略化したこ
とを骨子とする。
[0010] That is, the invention of claim 1 relates to a charge / discharge process of a thin secondary battery performed in a manufacturing process of the thin secondary battery,
The essence is to provide a function that can be flexibly used regardless of the size and standard of the thin secondary battery, and to enable collective charge / discharge processing to improve productivity and simplify manufacturing equipment.

【0011】請求項1の発明において、クリップ型接続
端子を形成する支持本体は、たとえば合成樹脂系もしく
は無機充填剤を含有する合成樹脂組成物を素材とした成
型体であり、その一主面に一対の接続端子パターンが一
体的に形設されている。ここで、接続端子パターンは、
たとえば導体箔のパターニング、メッキによるパターニ
ング、あるいはパターン化した導体片の貼着や埋め込み
などで一体化されている。
[0011] In the first aspect of the present invention, the support body forming the clip-type connection terminal is a molded body made of, for example, a synthetic resin composition or a synthetic resin composition containing an inorganic filler. A pair of connection terminal patterns are integrally formed. Here, the connection terminal pattern is
For example, they are integrated by patterning a conductor foil, patterning by plating, or attaching or embedding a patterned conductor piece.

【0012】また、一対の接続端子パターンは、充放電
および測定などが行えるように、各接続端子が互いに絶
縁・離隔し、分割的に形成されており、他端側は一体的
に支持本体の端縁部に導出され、接触子と係合ないし嵌
合、もしくは圧接で電気的に接続できるように構成され
ている。なお、支持本体の接続端子パターン形成面に
は、薄型二次電池の電極端子導出部をガイドするガイド
機構を付設しておいてもよい。
The pair of connecting terminal patterns are formed so that each connecting terminal is insulated and separated from each other and divided so that charging and discharging, measurement, and the like can be performed, and the other end is integrally formed with the supporting body. It is led out to the edge portion, and is configured to be able to be electrically connected to the contact by engaging or fitting or press-contacting. Note that a guide mechanism for guiding the electrode terminal lead-out portion of the thin secondary battery may be provided on the connection terminal pattern forming surface of the support body.

【0013】請求項1の発明において、支持本体の接続
端子パターン面に弾撥的に対接す領域を有する抑圧体
は、たとえば合成樹脂系もしくは無機充填剤を含有する
合成樹脂組成物を素材とした成型体である。そして、ピ
ン型バネ、スプリング型バネなどを介して支持本体に装
着され、前記ピン型バネなどの弾撥力によって、対接・
配置された電極端子を接続端子パターン面に圧接するよ
うに形成されている。すなわち、接触端子をコンタクト
プローブのようなものにしておき、接続端子パターン面
を抑圧体裏面側まで延設し、接触端子を延設された接続
端子パターン面に接触(対接)させる方式を採ることも
できる。
According to the first aspect of the present invention, the suppressor having a region which resiliently contacts the connection terminal pattern surface of the support body is made of, for example, a synthetic resin or a synthetic resin composition containing an inorganic filler. It is a molded body. And it is attached to the supporting body via a pin type spring, a spring type spring, etc.
The electrode terminals arranged are formed so as to be pressed against the connection terminal pattern surface. That is, a method is adopted in which the contact terminals are made like contact probes, the connection terminal pattern surface is extended to the back side of the suppressor, and the contact terminals are brought into contact (contact) with the extended connection terminal pattern surface. You can also.

【0014】請求項1の発明において、接続端子パター
ン面に電極端子を圧接する際、薄型二次電池の電極端子
導出部近傍が、機械的に損傷するのを防止するため、前
記抑圧体の弾撥的な対接部近傍に一体的に配設する弾性
体層は、たとえば硬度20〜70程度の合成ゴム類、ポリウ
レタンなどの発泡体である。
According to the first aspect of the present invention, when the electrode terminal is pressed against the connection terminal pattern surface, the vicinity of the electrode terminal lead-out portion of the thin secondary battery is prevented from being mechanically damaged. The elastic layer integrally provided in the vicinity of the repellent contact portion is, for example, a foam of a synthetic rubber or polyurethane having a hardness of about 20 to 70.

【0015】請求項1の発明において、クリップ型接続
端子群を垂架状に備えた充放電用ラックは、たとえば A
BS樹脂、PC樹脂などの絶縁性樹脂類、無機質充填剤を含
有した樹脂系組成物、あるいはセラミックスなどを素材
とした成型体である。そして、この充放電用ラックの深
さ、幅、長さなどは、適宜、選択設定されされる。ここ
で、充放電用ラックの深さを深く設定しておくと、薄型
二次電池の寸法形状に対し、フレキシブルに対応できる
ので汎用性が向上する。また、クリップ型接続端子群の
垂架的な配置は、特に限定されないが、一定の間隔、方
向性を採って整列的に行うことが好ましい。なお、クリ
ップ型接続端子の支持本体が、たとえばABS樹脂やPC樹
脂製の場合、充放電用ラックは樹脂製でなくともよい。
According to the first aspect of the present invention, the charging / discharging rack provided with the clip-type connection terminal group in a suspended state is, for example, an A-type rack.
It is a molded product made of insulating resin such as BS resin and PC resin, resin composition containing inorganic filler, or ceramics. The depth, width, length, and the like of the charging / discharging rack are appropriately selected and set. Here, if the depth of the charging / discharging rack is set deep, the versatility can be improved because the dimension and shape of the thin secondary battery can be flexibly handled. Further, the vertical arrangement of the clip-type connection terminal group is not particularly limited, but it is preferable that the clip-type connection terminal group is arranged in a predetermined interval and direction. When the support body of the clip-type connection terminal is made of, for example, ABS resin or PC resin, the charging / discharging rack may not be made of resin.

【0016】また、前記クリップ型接続端子に対向して
配置され、対応する接続端子に接離される接触子は、ク
リップ型接続端子の被接続部と係合もしくは嵌合可能に
形成しておくことが望ましい。そして、これら接触端子
群は、前記充放電用ラックに垂架状にクリップ型接続端
子群に対応させて接触子支持体に支持・装着することに
より、一括的な、充放電処理を容易に行える。
[0016] Further, the contact arranged opposite to the clip-type connection terminal and brought into contact with or separated from the corresponding connection terminal is formed so as to be able to engage or fit with a connected portion of the clip-type connection terminal. Is desirable. The contact terminal groups are supported and mounted on the contact support corresponding to the clip-type connection terminal groups in a manner suspended from the charge / discharge rack, so that collective charge / discharge processing can be easily performed. .

【0017】つまり、接触子支持体に接触子群を支持・
装着させ、この接触子支持体を所定方向に進退させるこ
とにより、クリップ型接続端子および接触子を一括的
に、電気的に接・離することができる。ここで、接触子
支持体の進退機構は、たとえばエアーシリンダーやオイ
ルシリンダーなどが一般的であるが、シリンダー以外の
他の機構で行ってもよい。
That is, the contact group is supported by the contact support.
The clip-type connection terminal and the contact can be collectively and electrically contacted and separated by mounting the contact support and moving the contact support in a predetermined direction. Here, an advancing / retracting mechanism of the contact support is generally, for example, an air cylinder or an oil cylinder, but may be performed by a mechanism other than the cylinder.

【0018】なお、請求項1の発明において、対象とな
る薄型二次電池は、たとえば金属酸化物などの活物質、
非水電解液および電解質保持性ポリマを含む正極層を集
電体に積層して成る正極と、リチウムイオンを吸蔵、放
出する活物質、非水電解液および電解質保持性ポリマを
含む負極層を集電体に積層して成る負極とを、セパレー
ターの機能をする電解質保持性のポリマ−電解質系(た
とえばヘキサフロロプロピレン−フッ化ビニリデン共重
合体などのポリマーおよびリチウム塩などのエチレンカ
ーボネート溶液…非水電解液…との系)を介して重ね合
わせ、かつ正極および負極の外表面(裏面)側を、たと
えばポリイミド系樹脂製シール用シート(袋体)で被覆
保護した構成のものである。
In the first aspect of the present invention, the target thin secondary battery is an active material such as a metal oxide.
A positive electrode formed by laminating a positive electrode layer containing a non-aqueous electrolyte and an electrolyte-retaining polymer on a current collector, and a negative electrode layer containing an active material for absorbing and releasing lithium ions, a non-aqueous electrolyte and an electrolyte-retaining polymer are collected. A negative electrode formed by laminating an electric body is combined with an electrolyte-retaining polymer-electrolyte system (for example, a polymer such as hexafluoropropylene-vinylidene fluoride copolymer and an ethylene carbonate solution such as a lithium salt, etc.). An electrolyte solution) and the outer surfaces (back surfaces) of the positive electrode and the negative electrode are covered and protected with, for example, a polyimide resin sealing sheet (bag).

【0019】ここで、正極の活物質としては、たとえば
リチウムマンガン複合酸化物、二酸化マンガン、リチウ
ム含有コバルト酸化物、リチウム含有ニッケルコバルト
酸化物、リチウムを含む非晶質五酸化バナジウム、カル
コゲン化合物などが挙げられる。また、負極活物質とし
ては、たとえばビスフェノール樹脂、ポリアクリロニト
リル、セルローズなどの焼成物、コークスやピッチの焼
成物が挙げられ、これらは天然もしくは人口グラファイ
ト、カーボンブラック、アセチレンブラック、ケッチェ
ンブラック、ニッケル粉末、ニッケル粉末などを含有し
た形態を採ってもよい。
As the active material of the positive electrode, for example, lithium manganese composite oxide, manganese dioxide, lithium-containing cobalt oxide, lithium-containing nickel cobalt oxide, amorphous vanadium pentoxide containing lithium, chalcogen compound, etc. No. Examples of the negative electrode active material include fired products of bisphenol resin, polyacrylonitrile, cellulose, and the like, fired products of coke and pitch, and these are natural or artificial graphite, carbon black, acetylene black, ketjen black, nickel powder, and the like. And a form containing nickel powder or the like.

【0020】さらに、電解質系は、たとえばエチレンカ
ーボネート、プロピレンカーボネート、ブチレンカーボ
ネート、ジメチルカーボネート、ジエチルカーボネー
ト、メチルエチルカーボネートなどの非水溶媒に、過塩
素酸リチウム、六フッ化リン酸リチウム、ホウ四フッ化
リチウム、六フッ化ヒ素リチウム、トリフルオロメタン
スルホン酸リチウムなどを 0.2〜 2mol/ l程度に溶解さ
せたものが挙げられる。また、正極の集電体としては、
たとえばアルミニウム箔、アルミニウムメッシュ、アル
ミニウム製エキスバンドメタル、アルミニウム製パンチ
メタルなどが挙げられ、負極の集電体としては、銅箔、
銅メッシュ、銅製エキスバンドメタル、銅製パンチメタ
ルなどが挙げられる。
Further, the electrolyte system may be prepared by adding lithium perchlorate, lithium hexafluorophosphate, boron tetrafluoride to a non-aqueous solvent such as ethylene carbonate, propylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate and methyl ethyl carbonate. Examples thereof include those in which lithium chloride, lithium arsenic hexafluoride, lithium trifluoromethanesulfonate, and the like are dissolved at about 0.2 to 2 mol / l. In addition, as the current collector of the positive electrode,
For example, aluminum foil, aluminum mesh, aluminum extract band metal, aluminum punch metal, etc. are mentioned.
Examples thereof include a copper mesh, a copper band metal, a copper punch metal, and the like.

【0021】請求項1の発明では、充放電用クラック
に、クリップ型接続端子群が垂架状に配置・装着されて
いる。そして、このクリップ型接続端子群を介して、薄
型二次電池の電極端子および充放電用接触子を一括的
に、電気的に接・離する構成となっている。しかも、ク
リップ型接続端子および充放電用クラックは、薄型二次
電池の寸法・規格に制約されず装着でき、フレキシブル
性に富んで汎用的でもあるため、一括的な充放電処理が
可能なことと相俟って量産性向上などに寄与する。
According to the first aspect of the present invention, the clip-type connection terminal group is vertically arranged and mounted on the charging / discharging crack. Then, the electrode terminals of the thin secondary battery and the charging / discharging contacts are collectively electrically connected / disconnected via the clip-type connection terminal group. In addition, the clip-type connection terminals and charging / discharging cracks can be mounted without being restricted by the dimensions and standards of the thin secondary battery, and because they are flexible and versatile, it is possible to perform batch charging / discharging processing. Together, this contributes to improving mass productivity.

【0022】[0022]

【発明の実施の形態】以下、図1および図2(a) ,(b)
を参照して実施例を説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 and FIGS. 2 (a) and 2 (b)
An example will be described with reference to FIG.

【0023】図1は実施例に係る薄型二次電池用充放電
装置の要部構成を示す一部切り欠き断面図である。図1
において、1は薄型二次電池2の電極端子2aに接続する
クリップ型接続端子3群を垂架状に備えた充放電用ラッ
クである。ここで、充放電用ラック1は、内壁面の深さ
150mm程度,幅70mm程度,長さ 400mm程度,肉厚 6mm程
度の箱型で、たとえばPC樹脂を素材とした成型体であ
る。また、クリップ型接続端子3群は、前記充放電用ラ
ック1開口端側に、整列的、かつ垂架状に配置・装着さ
れている。
FIG. 1 is a partially cutaway sectional view showing a main part of a charge / discharge device for a thin secondary battery according to an embodiment. FIG.
In the figure, reference numeral 1 denotes a charging / discharging rack provided with a group of three clip-type connection terminals connected to the electrode terminals 2a of the thin secondary battery 2 in a suspended manner. Here, the charging / discharging rack 1 has a depth of the inner wall surface.
It is a box with a size of about 150 mm, a width of about 70 mm, a length of about 400 mm, and a thickness of about 6 mm, for example, a molded body made of PC resin. The clip-type connection terminals 3 are arranged and mounted on the charging / discharging rack 1 at the opening end side in an aligned and suspended manner.

【0024】なお、前記クリップ型接続端子3は、図2
(a) に一部を切り欠き展開して斜視的に示すごとく、一
主面側に一対の接続端子パターン3aが配設され、さらに
後述する抑圧体の装着部3bおよびガイド部3cが一体的に
形設された支持本体3dと、前記支持本体3dの接続端子パ
ターン3a配設面に対向して配置・装着され、かつに弾撥
的に対接する領域3e′を有する抑圧体3eと、前記抑圧体
3eの弾撥的な対接部近傍に一体的に配設された弾性体層
3fとで形成されている。ここで、一対の接続端子パター
ンは、充放電および測定などが行えるように、各接続端
子3aが互いに絶縁・離隔し、かつ分割的に形成されて図
2(b) は、クリップ型接続端子3に、薄型二次電池2の
電極端子2aを抑圧体3eにより、弾撥的に圧接した状態を
模式的に示す断面図である。なお、抑圧体3eは、支持本
体3dの装着部3bに、たとえば板バネなどを介挿し、弾撥
力を付与した状態で装着された構成を採っている。
Note that the clip type connection terminal 3 is
(a), a pair of connection terminal patterns 3a are disposed on one main surface side as shown in a perspective view with a part cut out and expanded, and a mounting portion 3b and a guide portion 3c of a suppressor described later are integrally formed. And a suppressor 3e having a region 3e 'that is disposed and mounted facing the connection terminal pattern 3a mounting surface of the support main body 3d, and that resiliently contacts the support main body 3d. Oppressor
Elastic layer integrally disposed near the resilient contact part of 3e
3f. Here, a pair of connection terminal patterns are formed so that each connection terminal 3a is insulated / separated from each other and divided so that charge / discharge and measurement can be performed. FIG. 4 is a cross-sectional view schematically showing a state in which an electrode terminal 2a of the thin secondary battery 2 is resiliently pressed by a suppressor 3e. Note that the suppressor 3e has a configuration in which, for example, a leaf spring or the like is inserted into the mounting portion 3b of the support main body 3d, and the elastic body is provided with elasticity.

【0025】また、4は前記クリップ型接続端子3群に
対向して配置され、各クリップ型接続端子3に対して電
気的に接・離する接触子5群を支持する接触子支持体、
6は前記接触子支持体4を所定方向に進退させ、対応す
る接続端子3および接触子5を電気的に接・離する支持
体進退機構、7は前記接触子5群にそれぞれ接続する充
放電電源である。ここで、接触子5は、たとえばニッケ
ル系金属製であり、前記接続端子3の接続端子パターン
3aの他端側と嵌合ないし係合もしくは対接によって電気
的に接続する構成となっている。
A contact support 4 is arranged opposite to the clip type connection terminals 3 and supports a group of contacts 5 electrically connected to and separated from each clip type connection terminal 3.
6 is a support advance / retreat mechanism for moving the contact support 4 in a predetermined direction and electrically connecting / disconnecting the corresponding connection terminal 3 and contact 5, and 7 is a charge / discharge for connecting to the contact 5 group, respectively. Power supply. Here, the contact 5 is made of, for example, a nickel-based metal, and has a connection terminal pattern of the connection terminal 3.
It is configured to be electrically connected to the other end of 3a by fitting, engaging or contacting.

【0026】さらに、前記接触子5は、互いに絶縁離隔
し、かつクリップ型接続端子3に対向して接触子支持体
4に支持されている。そして、前記クリップ型接続端子
3に対する接触子支持体4の進退で、接触子5とクリッ
プ型接続端子3との電気的な接続や電気的な遮断が、一
括的に行われる。また、接触子支持体4に互いに絶縁離
隔して支持された接触子5の他端側は、充放電電源7側
にそれぞれ電気的に接続されている。
Further, the contacts 5 are insulated and separated from each other, and are supported by a contact support 4 so as to face the clip type connection terminals 3. Then, by the reciprocation of the contact support 4 with respect to the clip-type connection terminal 3, the electrical connection and the electrical cut-off between the contact 5 and the clip-type connection terminal 3 are collectively performed. The other ends of the contacts 5 supported by the contact support 4 insulated and separated from each other are electrically connected to the charge / discharge power supply 7 side, respectively.

【0027】次に、上記構成の薄型電池用充放電装置の
使用例を説明する。
Next, an example of use of the charging / discharging device for a thin battery having the above configuration will be described.

【0028】たとえばリチウムポリマー二次電池の製造
ラインにおいて、一端が開口した樹脂フィルム製の袋体
(外装被覆体)内に、電池要素部を位置決めして収容・
装着する一方、所要の電解液を注入した後、前記開口部
を熱溶着して気密に封止し、構成したポリマー二次電池
2を充放電用ラック1に装着する。すなわち、充放電用
ラック1のクリップ型接続端子3の抑圧体3eを開き、接
続端子パターン3aに、薄型二次電池2の電極端子2aを位
置合わせ・対接させた状態で抑圧体3eを閉じ、その抑圧
体3eを装着部3bに介挿させた板バネなどの弾撥力で、接
続端子パターン3a面に電極端子2aを圧接して電気的な接
続を行う。
For example, in a production line of a lithium polymer secondary battery, a battery element portion is positioned and accommodated in a resin film bag (exterior covering) having an open end.
On the other hand, after the required electrolyte is injected, the opening is heat-sealed and hermetically sealed, and the configured polymer secondary battery 2 is mounted on the charging / discharging rack 1. That is, the suppressor 3e of the clip-type connection terminal 3 of the charging / discharging rack 1 is opened, and the suppressor 3e is closed in a state where the electrode terminal 2a of the thin secondary battery 2 is aligned with and in contact with the connection terminal pattern 3a. The electrode terminal 2a is pressed against the surface of the connection terminal pattern 3a by a resilient force of a leaf spring or the like in which the suppressor 3e is inserted into the mounting portion 3b to perform electrical connection.

【0029】一方、支持体進退機構6を駆動させ、クリ
ップ型接続端子3側に接触子支持体4を前進させ、接触
子支持体4に支持されている接触子5とクリップ型接続
端子3とを対応させて、それぞれ所要の電気的な接続を
一括的に行う。この一連の操作で、各ポリマー二次電池
2の電極端子2aは、クリップ型接続端子3を介して、充
放電電源7側に電気的に接続する接触子5と容易、かつ
確実な電気的な接続を形成する。そして、この用に形成
された電気的な接続状態で、充放電電源7から所要の充
電電流などを流すことにより、同時に、複数個のポリマ
ー二次電池2に対する充放電処理を行うことができる。
On the other hand, the support moving mechanism 6 is driven to advance the contact support 4 to the clip-type connection terminal 3 side, and the contact 5 supported by the contact support 4 and the clip-type connection terminal 3 are connected to each other. And the required electrical connections are made collectively. In this series of operations, the electrode terminal 2a of each polymer secondary battery 2 is easily and reliably connected to the contact 5 electrically connected to the charge / discharge power supply 7 via the clip type connection terminal 3. Form a connection. Then, in the electrical connection state formed for this purpose, a required charging current or the like is supplied from the charging / discharging power supply 7 so that a plurality of polymer secondary batteries 2 can be simultaneously charged / discharged.

【0030】上記所要の充放電処理を終了した後は、充
放電電源7からの充電電流などの停止・遮断、支持体進
退機構6による接触子5の後退(クリップ型接続端子3
との電気的な接続の切り離し)、クリップ型接続端子3
からポリマー二次電池2の取り外しなどを行う。
After the required charging / discharging process is completed, the charging / discharging power from the charging / discharging power supply 7 is stopped / interrupted, and the contact 5 is retracted by the support advance / retreat mechanism 6 (clip type connection terminal 3).
Disconnection of electrical connection with the clip), clip-type connection terminal 3
The removal of the polymer secondary battery 2 is carried out.

【0031】上記したように、実施例に係る充放電用ラ
ックは、薄型二次電池2の電極端子2aに対し着脱・自在
的に、かつ電気的な接続を行うクリップ型接続端子3の
複数個を垂架状に配置・装着しており、薄型二次電池2
の中間製品について、所要の充放電処理を一括的に施す
ことができる。しかも、クリップ型接続端子3の介挿に
より、各種寸法・規格の薄型二次電池2にも対応できる
ので、汎用性の高い充放電装置として機能することにな
る。
As described above, the charging / discharging rack according to the embodiment includes a plurality of clip-type connection terminals 3 that are detachably and removably and electrically connected to the electrode terminals 2 a of the thin secondary battery 2. Are arranged and mounted in a suspended shape, and a thin rechargeable battery 2
The required charge / discharge treatment can be performed collectively for the intermediate products. In addition, since the clip-type connection terminal 3 is interposed, it is possible to cope with thin secondary batteries 2 of various dimensions and standards, so that it functions as a highly versatile charge / discharge device.

【0032】なお、本発明は、上記例示に限定されるも
のでなく、発明の趣旨を逸脱しない範囲で、いろいろの
変形を採ることができる。たとえば、クリップ型接続端
子の構造は、例示以外の他の構成を採ることもできるな
ど、充放電処理する薄型二次電池の寸法・規格などに対
応して適宜設定してもよい。
The present invention is not limited to the above-described example, and various modifications can be made without departing from the spirit of the invention. For example, the structure of the clip-type connection terminal may be appropriately set in accordance with the dimensions and specifications of the thin secondary battery to be charged and discharged, for example, a configuration other than the illustrated one may be adopted.

【0033】[0033]

【発明の効果】請求項1の発明によれば、薄型二次電池
を垂架状に配置・装着できることに伴って省スペースが
図られる一方、電極端子に対して安定した電気的接続を
容易に形成できる。したがって、信頼性の高い充放電処
理を量産的に行うことが可能となるため、生産性が大幅
に改善されるし、製造設備の小形化や省スペース化も図
れるので、薄型電池の製造コストダウンに大きく寄与す
る。
According to the first aspect of the present invention, the thin secondary battery can be arranged and mounted in a vertically suspended manner, thereby saving space, while facilitating stable electrical connection to the electrode terminals. Can be formed. Therefore, it is possible to mass-produce a highly reliable charge / discharge process, which significantly improves productivity, and makes it possible to reduce the size and space of manufacturing equipment, thereby reducing the manufacturing cost of thin batteries. Greatly contributes to

【図面の簡単な説明】[Brief description of the drawings]

【図1】実施例に係る薄型電池用充放電装置の要部構成
を示す一部切り欠き断面図。
FIG. 1 is a partially cutaway cross-sectional view showing a configuration of a main part of a charge / discharge device for a thin battery according to an embodiment.

【図2】実施例に係る薄型電池用充放電装置が具備する
クリップ型接続端子の要部構成を示すもので、(a) は一
部切り欠き斜視図、(b) 拡大して示す断面図。
FIGS. 2A and 2B show a main configuration of a clip-type connection terminal provided in a thin-film battery charge / discharge device according to an embodiment, wherein FIG. 2A is a partially cutaway perspective view, and FIG. .

【符号の説明】[Explanation of symbols]

1……充放電用ラック 2……薄型二次電池 2a……電極端子 3……クリップ型接続端子 3a……接続端子パターン 3b……抑圧体装着部 3c……ガイド部 3d……支持本体 3e……抑圧体 3e′……抑圧体の抑圧領域 3f……弾性体層 4……支持体 5……接触子 6……支持体進退機構 7……充放電電源 DESCRIPTION OF SYMBOLS 1 ... Rack for charge / discharge 2 ... Thin secondary battery 2a ... Electrode terminal 3 ... Clip type connection terminal 3a ... Connection terminal pattern 3b ... Suppressor mounting part 3c ... Guide part 3d ... Support body 3e ... Suppressor 3e ′... Suppression region of suppressor 3f... Elastic layer 4... Support 5... Contact 6...

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 薄型二次電池の電極端子に接続するクリ
ップ型接続端子群を垂架状に備えた充放電用ラックと、 前記接続端子群に対向して配置され、各接続端子に接離
する接触子群を接触子支持する支持体と、 前記接触子支持体を所定方向に進退させ、対応する接続
端子および接触子を接離する支持体進退機構と、 前記接触子群にそれぞれ接続する充放電電源とを有する
薄型二次電池用充放電装置であって、 前記クリップ型接続端子は、支持本体、前記支持本体の
一主面に一体的に配設された接続端子パターン、前記支
持本体に対向して配置され、かつ接続端子パターン面に
弾撥的に対接す領域を有する抑圧体、および前記抑圧体
の弾撥的な対接部近傍に一体的に配設された弾性体層で
形成されていることを特徴とする薄型二次電池用充放電
装置。
1. A charging / discharging rack provided with a clip-shaped connection terminal group connected to an electrode terminal of a thin secondary battery in a suspended shape, and arranged opposite to the connection terminal group, and connected to and separated from each connection terminal. A contact member that supports the contact group to be contacted, a contact member that advances and retreats the contact member in a predetermined direction, and a support member retreat mechanism that contacts and separates the corresponding connection terminal and contact, and connects to the contact group, respectively. A charge / discharge device for a thin secondary battery having a charge / discharge power supply, wherein the clip-type connection terminal is a support body, a connection terminal pattern integrally disposed on one main surface of the support body, and the support body. And a suppressor having a region resiliently contacting the connection terminal pattern surface, and an elastic layer integrally provided near the resilient contact portion of the suppressor Charging and discharging for thin secondary batteries characterized by being formed of Apparatus.
JP10226273A 1998-08-10 1998-08-10 Charging and discharging device for thin type secondary battery Withdrawn JP2000058135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10226273A JP2000058135A (en) 1998-08-10 1998-08-10 Charging and discharging device for thin type secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10226273A JP2000058135A (en) 1998-08-10 1998-08-10 Charging and discharging device for thin type secondary battery

Publications (1)

Publication Number Publication Date
JP2000058135A true JP2000058135A (en) 2000-02-25

Family

ID=16842633

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2000058135A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002170609A (en) * 2000-11-30 2002-06-14 Yutaka Denki Seisakusho:Kk Power clip, and power feed and discharg testing device using the same
KR100424265B1 (en) * 2002-04-11 2004-03-22 삼성에스디아이 주식회사 Clip for contacting electrode of charge and discharge system of battery
KR100818732B1 (en) 2006-03-29 2008-04-02 (주)이티에이치 gipper structure for battery charger-dischager
KR100829737B1 (en) * 2002-04-11 2008-05-15 삼성에스디아이 주식회사 Clip for contacting electrode of charge and discharge system of battery
KR101032380B1 (en) 2009-07-07 2011-05-03 (주)이티에이치 Electrode terminal for battery formation gripper
KR101076411B1 (en) 2009-07-07 2011-10-25 (주)이티에이치 Gripper assembly for battery formation
CN102290615A (en) * 2010-06-17 2011-12-21 富士通网络通讯株式会社 Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002170609A (en) * 2000-11-30 2002-06-14 Yutaka Denki Seisakusho:Kk Power clip, and power feed and discharg testing device using the same
KR100424265B1 (en) * 2002-04-11 2004-03-22 삼성에스디아이 주식회사 Clip for contacting electrode of charge and discharge system of battery
KR100829737B1 (en) * 2002-04-11 2008-05-15 삼성에스디아이 주식회사 Clip for contacting electrode of charge and discharge system of battery
KR100818732B1 (en) 2006-03-29 2008-04-02 (주)이티에이치 gipper structure for battery charger-dischager
KR101032380B1 (en) 2009-07-07 2011-05-03 (주)이티에이치 Electrode terminal for battery formation gripper
KR101076411B1 (en) 2009-07-07 2011-10-25 (주)이티에이치 Gripper assembly for battery formation
CN102290615A (en) * 2010-06-17 2011-12-21 富士通网络通讯株式会社 Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries
EP2398089A2 (en) 2010-06-17 2011-12-21 Fujitsu Telecom Networks Limited Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries
US8618804B2 (en) 2010-06-17 2013-12-31 Fujitsu Telecom Networks Limited Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries
CN102290615B (en) * 2010-06-17 2015-09-09 富士通通讯网络株式会社 The clamp system of thin-type secondary battery charge/discharge testing device
CN102868033A (en) * 2011-07-08 2013-01-09 致茂电子(苏州)有限公司 Electrical connection device
JP2015528626A (en) * 2012-08-07 2015-09-28 リ−テック・バッテリー・ゲーエムベーハー Chemical cell formation method, electrochemical cell and battery
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