JP2002298828A - Battery device - Google Patents

Battery device

Info

Publication number
JP2002298828A
JP2002298828A JP2001098080A JP2001098080A JP2002298828A JP 2002298828 A JP2002298828 A JP 2002298828A JP 2001098080 A JP2001098080 A JP 2001098080A JP 2001098080 A JP2001098080 A JP 2001098080A JP 2002298828 A JP2002298828 A JP 2002298828A
Authority
JP
Japan
Prior art keywords
battery
container
electrode terminal
battery device
terminal
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.)
Granted
Application number
JP2001098080A
Other languages
Japanese (ja)
Other versions
JP2002298828A5 (en
JP5023411B2 (en
Inventor
Yukio Tokuhara
幸夫 得原
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.)
Sanyo GS Soft Energy Co Ltd
Original Assignee
GS Melcotec 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 GS Melcotec Co Ltd filed Critical GS Melcotec Co Ltd
Priority to JP2001098080A priority Critical patent/JP5023411B2/en
Priority to TW091104985A priority patent/TWI221345B/en
Priority to US10/106,048 priority patent/US6808844B2/en
Priority to KR1020020016966A priority patent/KR20020077175A/en
Priority to CN02118316A priority patent/CN1379496A/en
Publication of JP2002298828A publication Critical patent/JP2002298828A/en
Publication of JP2002298828A5 publication Critical patent/JP2002298828A5/ja
Application granted granted Critical
Publication of JP5023411B2 publication Critical patent/JP5023411B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Abstract

PROBLEM TO BE SOLVED: To provide a battery device which can be further reduced in size than the conventional batteries. SOLUTION: The battery device 1 comprises a battery case 2, housing power generating elements which include positive and negative electrodes, electrode terminals 2b, 3 connected to the electrodes of the power generating elements and arranged so that their terminal faces are directed outward one face of the battery case, and a battery protecting element 4, having first and second conductive connections 4a, 4b connected to the battery case and an external circuit, respectively. The battery protecting element is mounted on a face, where the electrode terminal of the battery case is arranged, in such a manner that the second conductive connection in directed to the same direction as that of a terminal face 3a of the electrode terminal.

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、小型機器に内蔵さ
れる電池装置に属する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery device incorporated in a small device.

【0002】[0002]

【従来の技術】携帯電話などの小型機器には、リチウム
二次電池等の小型電池が、PTCなどの電池保護素子と
ともに電池装置として内蔵されている。従来の電池装置
の例を図6に分解斜視図として示す。この電池装置41
では、電池セルが、正負の電極を含む発電要素(図示省
略)と、発電要素を収納するアルミニウム製の電池容器
42とを備える。発電要素の正極は容器42と接続して
おり、容器42には、その表面に超音波溶着されたクラ
ッドメタル(Ni/Al)を介して、ニッケル製のリー
ド48がスポット溶接されている。一方、発電要素の負
極は、容器42の蓋42aを貫通して容器外に露出する
負極端子43と接続しており、この負極端子43には、
PTC47を設けたニッケル製のリード49がスポット
溶接されている。
2. Description of the Related Art A small battery such as a lithium secondary battery is incorporated in a small device such as a mobile phone as a battery device together with a battery protection element such as a PTC. FIG. 6 shows an example of a conventional battery device as an exploded perspective view. This battery device 41
In this example, the battery cell includes a power generating element (not shown) including positive and negative electrodes, and an aluminum battery container 42 that houses the power generating element. The positive electrode of the power generating element is connected to a container 42, and a lead 48 made of nickel is spot-welded to the container 42 via a clad metal (Ni / Al) ultrasonically welded to the surface of the container. On the other hand, the negative electrode of the power generation element is connected to a negative electrode terminal 43 that penetrates the lid 42a of the container 42 and is exposed outside the container.
A nickel lead 49 provided with a PTC 47 is spot-welded.

【0003】蓋42aの反対側には、回路基板45が設
けられている。回路基板45の両端部にはニッケル片が
リフロー半田付けされていて、これらのニッケル片に正
負のリード48、49がスポット溶接されている。ま
た、回路基板45は容器42から離れた位置にあり、そ
の内側の主面には過充電・過放電を防止するFET及び
これのオン−オフを制御するICが搭載され、外側の主
面には正負極出力端子46、46が形成されている。
[0003] A circuit board 45 is provided on the opposite side of the lid 42a. Nickel pieces are reflow-soldered to both ends of the circuit board 45, and positive and negative leads 48 and 49 are spot-welded to these nickel pieces. Further, the circuit board 45 is located at a position away from the container 42, and an FET for preventing overcharging and overdischarging and an IC for controlling on / off thereof are mounted on the inner main surface thereof, and the outer main surface thereof is mounted on the outer main surface thereof. Are formed with positive and negative output terminals 46, 46.

【0004】電池セルは、樹脂からなるケース44に収
められる。ケース44の端面には窓44a、44aが形
成されており、電池セルを収めると、この窓44a、4
4aから出力端子46、46が露出する。また小型機器
内部には、スプリングを有するピン状接触端子(ポゴピ
ン)が設けられている。そして、電池装置41が小型機
器本体に内蔵されると、ポゴピンが出力端子46、46
に当たり、その結果、電池装置41が小型機器本体の回
路と接続する。
[0004] The battery cells are housed in a case 44 made of resin. Windows 44a, 44a are formed on the end surface of the case 44. When the battery cells are stored, the windows 44a, 44a are formed.
The output terminals 46, 46 are exposed from 4a. A pin-shaped contact terminal (pogo pin) having a spring is provided inside the small device. When the battery device 41 is built in the main body of the small device, the pogo pins are connected to the output terminals 46, 46.
As a result, the battery device 41 is connected to the circuit of the small device main body.

【0005】[0005]

【発明が解決しようとする課題】しかし、図6の電池装
置41では、FET及びICを搭載するための回路基板
45が必要である。そして、回路基板45は電池容器4
2から離されて設けられるので、その分電池装置41が
大きくなる。それ故、本発明の課題は、従来よりも小型
化が可能な電池装置を提供することにある。
However, the battery device 41 shown in FIG. 6 requires a circuit board 45 for mounting the FET and the IC. The circuit board 45 is connected to the battery container 4.
Since the battery device 41 is provided at a distance from the battery unit 2, the battery device 41 becomes larger accordingly. Therefore, an object of the present invention is to provide a battery device that can be made smaller than before.

【0006】[0006]

【課題を解決するための手段】本発明の電池装置は、正
負の電極を含む発電要素を収納する電池容器と、発電要
素の電極と接続するとともに、電池容器の一面に端子面
が外方を向くように配設された電極端子と、電池容器及
び外部回路と各々接続される第一及び第二の導電性接続
部を有する電池保護素子とを備える電池装置であって、
電池保護素子が、電池容器の電極端子が配設される面に
搭載されており、その第二導電性接続部が、電極端子の
端子面と同方向を向いていることを特徴とする。
According to the battery device of the present invention, a battery container for accommodating a power generating element including positive and negative electrodes is connected to the electrode of the power generating element, and a terminal surface of one side of the battery container has an outer surface. An electrode terminal disposed so as to face, a battery device including a battery protection element having first and second conductive connection portions respectively connected to a battery container and an external circuit,
The battery protection element is mounted on the surface of the battery container on which the electrode terminals are provided, and the second conductive connection portion is oriented in the same direction as the terminal surface of the electrode terminals.

【0007】本発明の電池装置では、電池保護素子が電
池容器に搭載されている。しかも、電池保護素子は電極
端子が配設される面に搭載されているので、本発明で
は、この面上のスペースが有効に利用されている。よっ
て、本発明によると、従来の電池装置よりも小さくする
ことが可能である。また本発明では、外部回路と接続す
る電池保護素子の第二導電性接続部が、電極端子の端子
面と同方向を向いているので、ポゴピンを当てるのが容
易である。
[0007] In the battery device of the present invention, the battery protection element is mounted on the battery container. Moreover, since the battery protection element is mounted on the surface on which the electrode terminals are provided, the space on this surface is effectively used in the present invention. Therefore, according to the present invention, it is possible to make it smaller than the conventional battery device. Further, in the present invention, since the second conductive connection portion of the battery protection element connected to the external circuit faces in the same direction as the terminal surface of the electrode terminal, it is easy to hit the pogo pin.

【0008】本発明において、電池保護素子の第一導電
性接続部は電池容器に直接接続される。例えば、第一導
電性接続部と電池容器とを半田付けにより接続する。電
池容器がアルミニウムからなる場合には、Ni/Al等
からなるクラッドメタルを容器表面に超音波溶着させた
上で半田付けする。電池保護素子の第二導電性接続部と
電池容器とは接触しないようにする必要があるが、その
ためには樹脂製のプレートで仕切ると良い。あるいは、
第一及び第二の導電性接続部が対向する両端面に形成さ
れた電池保護素子を使用し、その両端面が電池容器の前
記電極端子配設面と平行になるように電池保護素子を搭
載しても、接触を防ぐことができる。また、このように
したときには、外部回路が第一導電性接続部と直接導通
してしまうのを防止することが可能である。
[0008] In the present invention, the first conductive connecting portion of the battery protection element is directly connected to the battery container. For example, the first conductive connection portion and the battery container are connected by soldering. When the battery case is made of aluminum, a clad metal made of Ni / Al or the like is ultrasonically welded to the surface of the case and then soldered. It is necessary to prevent the second conductive connecting portion of the battery protection element from coming into contact with the battery container. For this purpose, it is preferable to partition the battery protection element with a resin plate. Or,
Using battery protection elements formed on both end faces where the first and second conductive connection portions face each other, mounting the battery protection elements such that both end faces are parallel to the electrode terminal arrangement surface of the battery container. Even so, contact can be prevented. Further, in this case, it is possible to prevent the external circuit from directly conducting to the first conductive connection portion.

【0009】本発明では、電池保護素子及び電極端子の
電池容器に対する高さを互いに同じにするのが好まし
い。これらの高さが揃っていると、電池容器、電池保護
素子及び電極端子を樹脂製のケースに収納する場合に、
ケースの形状を単純にすることができ、ケース内に無駄
なスペースをつくらずに済む。またこのとき、ケースに
窓を設けて、そこから電池保護素子の第二導電性接続部
及び電極端子の端子面を露出させるのが望ましい。さら
に、電池容器と外部回路との接続を容易にするために、
電池容器の電極端子配設面の一部分を電極端子の高さと
同じ分だけ突出させると良い。
In the present invention, it is preferable that the height of the battery protection element and the electrode terminal with respect to the battery container be the same. If these heights are uniform, when storing the battery case, battery protection element and electrode terminal in a resin case,
The shape of the case can be simplified, and unnecessary space is not created in the case. At this time, it is desirable to provide a window in the case and expose the second conductive connection portion of the battery protection element and the terminal surface of the electrode terminal therefrom. Furthermore, in order to facilitate the connection between the battery case and the external circuit,
It is preferable that a part of the electrode terminal mounting surface of the battery case is protruded by the same height as the electrode terminals.

【0010】電池保護素子としては、例えば、PTCや
温度ヒューズが使用され得る。PTC又は温度ヒューズ
を搭載すると、電池セルが発熱したとき、それを検知し
て抵抗を増大させたり溶断する。その結果、電流を低減
又は遮断する。また、電池保護素子としてサーミスタを
使用すると、その抵抗値の温度依存性から周囲温度が検
知され、これによって充電が制御される。これらの他
に、サーマルプロテクター、電流ヒューズ、識別抵抗な
ども電池保護素子として使用可能である。さらに、電池
保護素子は複数個あっても良い。例えば、PTC及びサ
ーミスタを設ける。尚、電池装置の小型化を達成するた
めには、IC、FET等の保護回路は無い方が望まし
い。
As the battery protection element, for example, a PTC or a thermal fuse can be used. When a PTC or a thermal fuse is mounted, when the battery cell generates heat, it is detected and the resistance is increased or blown. As a result, the current is reduced or cut off. When a thermistor is used as the battery protection element, the ambient temperature is detected from the temperature dependency of the resistance value, and the charging is controlled by this. In addition to these, a thermal protector, a current fuse, an identification resistor, and the like can also be used as a battery protection element. Further, there may be a plurality of battery protection elements. For example, a PTC and a thermistor are provided. In order to reduce the size of the battery device, it is preferable that there is no protection circuit such as an IC or an FET.

【0011】本発明は、リチウム二次電池に好適に適用
されうる。この場合、発電要素としては、例えば、コバ
ルト酸リチウム等の活物質材料が塗布された正極板、リ
チウム塩を含む有機電解液が保持されたセパレータ、及
び炭素等のホスト物質が塗布された負極板を順に積層し
て渦状に巻いたものがある。電極にはポリアセチレン等
のポリマー材料を使用しても良く、有機電解液の替わり
にポリマー固体電解質を使用しても良い。電池容器とし
ては、例えば、アルミニウムからなる角形の容器を使用
することができる。電池容器とこれに配設される電極端
子とは絶縁されるが、そのためには絶縁性材料からなる
パッキンにより電極端子を容器から隔てると良い。また
本発明の電池装置では、電池容器、電池保護素子及び電
極端子を、樹脂製のケース、チューブ等の絶縁性収納部
材に入れるのが好ましい。
The present invention can be suitably applied to a lithium secondary battery. In this case, as the power generating element, for example, a positive electrode plate coated with an active material such as lithium cobalt oxide, a separator holding an organic electrolyte solution containing a lithium salt, and a negative electrode plate coated with a host material such as carbon Are sequentially laminated and spirally wound. A polymer material such as polyacetylene may be used for the electrode, and a polymer solid electrolyte may be used instead of the organic electrolyte. As the battery container, for example, a rectangular container made of aluminum can be used. The battery case is insulated from the electrode terminals provided thereon. For this purpose, it is preferable that the electrode terminals be separated from the case by packing made of an insulating material. Further, in the battery device of the present invention, it is preferable that the battery container, the battery protection element, and the electrode terminal be placed in an insulating storage member such as a resin case or a tube.

【0012】[0012]

【発明の実施の形態】−第1実施形態− 第1実施形態の電池装置の分解斜視図を図1に、その一
部拡大図を図2に示す。この電池装置1では、正負極を
含む発電要素(図示省略)がアルミニウムからなる角形
の電池容器2に入れられている。さらにこの容器2は、
貫通孔を空けてなる窓6aを有する角形の樹脂製ケース
6に収められ、平板状の樹脂製カバー(図示省略)によ
り封じられる。
DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment FIG. 1 is an exploded perspective view of a battery device according to a first embodiment, and FIG. 2 is a partially enlarged view thereof. In this battery device 1, a power generating element (not shown) including positive and negative electrodes is placed in a rectangular battery container 2 made of aluminum. Furthermore, this container 2
It is housed in a rectangular resin case 6 having a window 6a formed with a through hole, and sealed by a flat resin cover (not shown).

【0013】発電要素の正極は容器2の蓋2aとリード
を介して接続していて、発電要素の負極は負極端子3と
リードを介して接続している。よって、容器2は正の電
位を有し、負極端子3は負の電位を有する。負極端子3
は、樹脂製のパッキン7で隔てられつつ蓋2aを貫通
し、その端子面3aは蓋2aと平行で外方を向いてい
る。また容器2の蓋2aには、安全弁8が設けられ、さ
らにPTC4及びサーミスタ5が搭載されている。PT
C4及びサーミスタ5は、金属からなる第一導電性接続
部4a、5a及び第二導電性接続部4b、5bを有す
る。第一導電性接続部4a、5aは、超音波溶着にて蓋
表面に形成されたクラッドメタル(Ni/Al)に半田
付けされ、これによって蓋2aと電気的に直接接続して
いる。またPTC4及びサーミスタ5は、蓋2aから最
も高い面に、第二導電性接続部4b、5bの一面4c、
5cが含まれるように搭載されている。そして、その高
さh4、h5は負極端子3の高さh3と同じであり、し
かもその面4c、5cは負極端子3の端子面3aと同方
向を向いている。
The positive electrode of the power generating element is connected to the lid 2a of the container 2 via a lead, and the negative electrode of the power generating element is connected to the negative electrode terminal 3 via a lead. Therefore, the container 2 has a positive potential and the negative terminal 3 has a negative potential. Negative electrode terminal 3
Penetrates the lid 2a while being separated by a resin packing 7, and the terminal surface 3a thereof is parallel to the lid 2a and faces outward. A safety valve 8 is provided on the lid 2 a of the container 2, and a PTC 4 and a thermistor 5 are mounted on the lid 2 a. PT
The C4 and the thermistor 5 have first conductive connecting portions 4a and 5a and second conductive connecting portions 4b and 5b made of metal. The first conductive connection portions 4a and 5a are soldered to a clad metal (Ni / Al) formed on the surface of the lid by ultrasonic welding, and are thereby directly electrically connected to the lid 2a. In addition, the PTC 4 and the thermistor 5 are provided on one surface 4c of the second conductive connecting portions 4b, 5b on the highest surface from the lid 2a.
5c is included. The heights h4 and h5 are the same as the height h3 of the negative electrode terminal 3, and the surfaces 4c and 5c are oriented in the same direction as the terminal surface 3a of the negative electrode terminal 3.

【0014】さらに蓋2aには、一部分を突出させるこ
とによって、負極端子3と高さh2が等しく、その端子
面が負極の端子面3aと同じく外方を向いた正極端子2
bを形成させている。従って、本実施形態では、負極端
子3、PTC4の第二導電性接続部4b、サーミスタ5
の第二導電性接続部5b、及び正極端子2bの高さが揃
っている。そのため電池容器2を樹脂製ケース6に収納
すると、それらは、ケース6の内面と接するとともに窓
6aよりケース外に露出する。よって、本実施形態によ
ると、小型機器本体の回路と電池装置1とをポゴピンに
よって接続させることができる。
Further, by projecting a part of the lid 2a, the positive electrode terminal 2 whose height h2 is equal to that of the negative electrode terminal 3 and whose terminal surface faces outward similarly to the terminal surface 3a of the negative electrode.
b is formed. Therefore, in the present embodiment, the negative electrode terminal 3, the second conductive connecting portion 4b of the PTC 4, the thermistor 5
Of the second conductive connecting portion 5b and the height of the positive electrode terminal 2b. Therefore, when the battery containers 2 are stored in the resin case 6, they are in contact with the inner surface of the case 6 and are exposed outside the case through the window 6a. Therefore, according to the present embodiment, the circuit of the small device main body and the battery device 1 can be connected with the pogo pins.

【0015】本実施形態の電池装置1はPTC4を備え
ている。そのため、充放電時に電池セルが発熱しても、
PTC4がトリップし電流が遮断される。また、サーミ
スタ5及び正極端子2bを設けているため、充電時にこ
れらの間に微小電流を流すことができ、従ってサーミス
タ5の抵抗値から温度を検知することにより充電を正し
く制御することができる。しかも、本実施形態では、P
TC4、サーミスタ5及び正極端子2bが、負極端子3
とともに容器2の蓋2aに設けられていて、これらを設
けるための基板を備えていない。よってケース6が小さ
くて済み、その結果、本実施形態の電池装置1は従来よ
りも小さい。さらに、PTC4及びサーミスタ5は、容
器2の蓋2aに直接搭載されているので、電池セルの温
度を検知しやすく、従って有効に機能する。
The battery device 1 of the present embodiment has a PTC 4. Therefore, even if the battery cell generates heat during charging and discharging,
The PTC 4 trips and the current is cut off. In addition, since the thermistor 5 and the positive electrode terminal 2b are provided, a small current can flow between them during charging. Therefore, charging can be correctly controlled by detecting the temperature from the resistance value of the thermistor 5. Moreover, in the present embodiment, P
TC4, thermistor 5 and positive terminal 2b are connected to negative terminal 3
In addition, it is provided on the lid 2a of the container 2 and does not include a substrate for providing these. Therefore, the case 6 can be small, and as a result, the battery device 1 of the present embodiment is smaller than the conventional case. Furthermore, since the PTC 4 and the thermistor 5 are directly mounted on the lid 2a of the container 2, it is easy to detect the temperature of the battery cell, and thus functions effectively.

【0016】−第2実施形態− 第2実施形態の電池装置を図3に一部拡大斜視図として
示す。この電池装置11では、PTC14及びサーミス
タ15の第一導電性接続部14a、15a及び第二導電
性接続部14b、15bが平面状をなし、対向する両端
面に形成されている。そして、その両端面が蓋2aと平
行になるようにPTC14及びサーミスタ15が搭載さ
れている。その他は第1実施形態と同様である。本実施
形態では、第二導電性接続部14b、15bが第一導電
性接続部14a、15aと同一面に無いので、第二導電
性接続部14b、15bが蓋2aと接触してしまうのを
防ぐことができ、ケース6の窓6aから第二導電性接続
部14b、15bのみを露出させるのが容易である。
Second Embodiment A battery device according to a second embodiment is shown in FIG. 3 as a partially enlarged perspective view. In this battery device 11, the first conductive connecting portions 14a, 15a and the second conductive connecting portions 14b, 15b of the PTC 14 and the thermistor 15 are formed in a planar shape, and are formed on opposite end surfaces. The PTC 14 and the thermistor 15 are mounted so that both end surfaces are parallel to the lid 2a. Others are the same as the first embodiment. In the present embodiment, since the second conductive connection portions 14b and 15b are not on the same plane as the first conductive connection portions 14a and 15a, the second conductive connection portions 14b and 15b may not contact the lid 2a. Therefore, it is easy to expose only the second conductive connection portions 14b and 15b from the window 6a of the case 6.

【0017】−第3実施形態− 第3実施形態の電池装置を図4に一部拡大斜視図として
示す。この電池装置21では、PTC24及びサーミス
タ25の容器2と向き合う面のうち第一導電性接続部2
4a、25a以外の箇所に、樹脂からなるプレート9が
設けられている。このことを除くと、第1実施形態と同
じである。本実施形態では、樹脂製のプレート9を有す
るので、PTC24及びサーミスタ25の第二導電性接
続部24b、25bと蓋2aとは接触せず、これらが直
接導通する心配がない。
Third Embodiment A battery device according to a third embodiment is shown in FIG. 4 as a partially enlarged perspective view. In the battery device 21, the first conductive connection portion 2 of the surface of the PTC 24 and the thermistor 25 facing the container 2 is formed.
A plate 9 made of resin is provided at a position other than 4a and 25a. Except for this, it is the same as the first embodiment. In the present embodiment, since the resin plate 9 is provided, the second conductive connecting portions 24b and 25b of the PTC 24 and the thermistor 25 do not contact the lid 2a, and there is no fear that these are directly conducted.

【0018】−第4実施形態− 第4実施形態の電池装置を図5に斜視図として示す。こ
の電池装置31では、電池容器2が樹脂製ケースに収納
される替わりに、絶縁性のチューブ及びテープにより覆
われている。これ以外は、第1実施形態と同様である。
本実施形態では電池容器2の表面が絶縁されているの
で、図に示す状態で小型機器に内蔵することができ、第
1実施形態と同様の効果を得ることができる。しかも、
ケースが無いため第1実施形態よりも小さくすることが
可能である。
Fourth Embodiment A battery device according to a fourth embodiment is shown in FIG. 5 as a perspective view. In this battery device 31, the battery container 2 is covered with an insulating tube and tape instead of being housed in a resin case. Other than this, it is the same as the first embodiment.
In this embodiment, since the surface of the battery container 2 is insulated, it can be built in a small device in the state shown in the figure, and the same effect as that of the first embodiment can be obtained. Moreover,
Since there is no case, it can be made smaller than in the first embodiment.

【0019】[0019]

【発明の効果】本発明によると、電池装置の小型化が可
能となる。
According to the present invention, the size of the battery device can be reduced.

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

【図1】第1実施形態の電池装置を示す分解斜視図であ
る。
FIG. 1 is an exploded perspective view showing a battery device according to a first embodiment.

【図2】第1実施形態の電池装置を示す一部拡大斜視図
である。
FIG. 2 is a partially enlarged perspective view showing the battery device of the first embodiment.

【図3】第2実施形態の電池装置を示す一部拡大斜視図
である。
FIG. 3 is a partially enlarged perspective view showing a battery device according to a second embodiment.

【図4】第3実施形態の電池装置を示す一部拡大斜視図
である。
FIG. 4 is a partially enlarged perspective view showing a battery device according to a third embodiment.

【図5】第4実施形態の電池装置を示す斜視図である。FIG. 5 is a perspective view showing a battery device according to a fourth embodiment.

【図6】従来の電池装置を示す分解斜視図である。FIG. 6 is an exploded perspective view showing a conventional battery device.

【符号の説明】[Explanation of symbols]

1、11、21電池装置 2容器 2a蓋 2b正極端子 3負極端子 3a端子面 4、14、24PTC 4a、14a、24a第一導電性接続部 4b、14b、24b第二導電性接続部 5、15、25サーミスタ 5a、15a、25a第一導電性接続部 5b、15b、25b第二導電性接続部 6樹脂製ケース 6a窓 7パッキン 8安全弁 9樹脂製プレート 1, 11, 21 Battery device 2 Container 2a Lid 2b Positive terminal 3 Negative terminal 3a Terminal surface 4, 14, 24PTC 4a, 14a, 24a First conductive connection portion 4b, 14b, 24b Second conductive connection portion 5, 15 , 25 thermistor 5a, 15a, 25a first conductive connecting part 5b, 15b, 25b second conductive connecting part 6 resin case 6a window 7 packing 8 safety valve 9 resin plate

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】正負の電極を含む発電要素を収納する電池
容器と、発電要素の電極と接続するとともに、電池容器
の一面に端子面が外方を向くように配設された電極端子
と、電池容器及び外部回路と各々接続される第一及び第
二の導電性接続部を有する電池保護素子とを備える電池
装置であって、 電池保護素子が、電池容器の電極端子が配設される面に
搭載されており、その第二導電性接続部が、電極端子の
端子面と同方向を向いていることを特徴とする電池装
置。
1. A battery container for housing a power generating element including positive and negative electrodes, an electrode terminal connected to the electrode of the power generating element and disposed on one surface of the battery container such that a terminal surface faces outward. A battery device comprising: a battery container and a battery protection element having first and second conductive connection parts respectively connected to an external circuit, wherein the battery protection element is provided on a surface on which an electrode terminal of the battery container is provided. Wherein the second conductive connection portion is oriented in the same direction as the terminal surface of the electrode terminal.
【請求項2】電池保護素子の第一及び第二の導電性接続
部が対向する両端面に形成され、その両端面が電池容器
の前記電極端子配設面と平行になるように電池保護素子
が搭載されている請求項1に記載の電池装置。
2. The battery protection element according to claim 1, wherein the first and second conductive connecting portions of the battery protection element are formed on opposite end faces, and both end faces are parallel to the electrode terminal arrangement surface of the battery container. The battery device according to claim 1, wherein the battery device is mounted.
【請求項3】電池保護素子及び電極端子の電池容器に対
する高さが互いに同じである請求項1又は2に記載の電
池装置。
3. The battery device according to claim 1, wherein the height of the battery protection element and the height of the electrode terminal relative to the battery container are the same.
【請求項4】電池容器の前記面の一部分が、電極端子の
電池容器に対する高さと同じ分だけ突出している請求項
1〜3のいずれかに記載の電池装置。
4. The battery device according to claim 1, wherein a part of the surface of the battery case projects by the same height as the height of the electrode terminal relative to the battery case.
【請求項5】電池保護素子が、PTC、温度ヒューズ、
サーマルプロテクター、電流ヒューズ、サーミスタから
なる群より選ばれた一種又は二種以上の素子である請求
項1〜4のいずれかに記載の電池装置。
5. A battery protection device comprising: a PTC, a thermal fuse,
The battery device according to any one of claims 1 to 4, wherein the battery device is one or more elements selected from the group consisting of a thermal protector, a current fuse, and a thermistor.
JP2001098080A 2001-03-30 2001-03-30 Battery device Expired - Fee Related JP5023411B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001098080A JP5023411B2 (en) 2001-03-30 2001-03-30 Battery device
TW091104985A TWI221345B (en) 2001-03-30 2002-03-15 Battery pack
US10/106,048 US6808844B2 (en) 2001-03-30 2002-03-27 Battery pack
KR1020020016966A KR20020077175A (en) 2001-03-30 2002-03-28 Battery pack
CN02118316A CN1379496A (en) 2001-03-30 2002-03-29 Battery component element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001098080A JP5023411B2 (en) 2001-03-30 2001-03-30 Battery device

Publications (3)

Publication Number Publication Date
JP2002298828A true JP2002298828A (en) 2002-10-11
JP2002298828A5 JP2002298828A5 (en) 2008-05-08
JP5023411B2 JP5023411B2 (en) 2012-09-12

Family

ID=18951764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001098080A Expired - Fee Related JP5023411B2 (en) 2001-03-30 2001-03-30 Battery device

Country Status (1)

Country Link
JP (1) JP5023411B2 (en)

Cited By (11)

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JP2003022790A (en) * 2001-07-10 2003-01-24 Gs-Melcotec Co Ltd Battery pack
JP2006004882A (en) * 2004-06-21 2006-01-05 Sanyo Electric Co Ltd Secondary battery and battery pack
JP2006278333A (en) * 2005-03-25 2006-10-12 Samsung Sdi Co Ltd Polymer battery pack and its manufacturing method
JP2006310304A (en) * 2005-04-26 2006-11-09 Samsung Sdi Co Ltd Polymer battery pack and its manufacturing method
JPWO2005036675A1 (en) * 2003-10-10 2007-10-04 福田金属箔粉工業株式会社 Power supply device outer can, power device outer cover, and power supply device using the outer can or outer cover
US7781092B2 (en) 2002-12-18 2010-08-24 Samsung Sdi Co., Ltd. Secondary battery and method of manufacturing same
US7976981B2 (en) 2005-09-28 2011-07-12 Samsung Sdi Co., Ltd. Pouch-type lithium secondary battery and fabricating method thereof
JP5270154B2 (en) * 2005-05-16 2013-08-21 タイコエレクトロニクスジャパン合同会社 Sealing body
WO2014060806A1 (en) * 2012-10-18 2014-04-24 Toyota Jidosha Kabushiki Kaisha Power storage module and power storage device
US8852791B2 (en) 2005-03-28 2014-10-07 Samsung Sdi Co., Ltd. Pouch type lithium secondary battery with sleeve and method of fabricating
JP2017073394A (en) * 2016-11-30 2017-04-13 ソニー株式会社 Battery

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JPH10172574A (en) * 1996-12-16 1998-06-26 Japan Storage Battery Co Ltd Battery
JP2001035544A (en) * 1999-07-23 2001-02-09 Matsushita Electric Ind Co Ltd Secondary battery with battery protection circuit

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JPH0831460A (en) * 1994-07-21 1996-02-02 Japan Storage Battery Co Ltd Secondary battery
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JP2001035544A (en) * 1999-07-23 2001-02-09 Matsushita Electric Ind Co Ltd Secondary battery with battery protection circuit

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003022790A (en) * 2001-07-10 2003-01-24 Gs-Melcotec Co Ltd Battery pack
JP4601870B2 (en) * 2001-07-10 2010-12-22 三洋ジーエスソフトエナジー株式会社 Battery pack
US7781092B2 (en) 2002-12-18 2010-08-24 Samsung Sdi Co., Ltd. Secondary battery and method of manufacturing same
JPWO2005036675A1 (en) * 2003-10-10 2007-10-04 福田金属箔粉工業株式会社 Power supply device outer can, power device outer cover, and power supply device using the outer can or outer cover
JP2006004882A (en) * 2004-06-21 2006-01-05 Sanyo Electric Co Ltd Secondary battery and battery pack
JP4698171B2 (en) * 2004-06-21 2011-06-08 三洋電機株式会社 Pack battery
US8227108B2 (en) 2005-03-25 2012-07-24 Samsung Sdi Co., Ltd. Polymer battery pack
JP2006278333A (en) * 2005-03-25 2006-10-12 Samsung Sdi Co Ltd Polymer battery pack and its manufacturing method
US8389152B2 (en) 2005-03-25 2013-03-05 Samsung Sdi Co., Ltd. Pouch type polymer battery pack
US8852791B2 (en) 2005-03-28 2014-10-07 Samsung Sdi Co., Ltd. Pouch type lithium secondary battery with sleeve and method of fabricating
JP2006310304A (en) * 2005-04-26 2006-11-09 Samsung Sdi Co Ltd Polymer battery pack and its manufacturing method
JP4728161B2 (en) * 2005-04-26 2011-07-20 三星エスディアイ株式会社 Polymer battery pack and manufacturing method thereof
US8691425B2 (en) 2005-04-26 2014-04-08 Samsung Sdi Co., Ltd. Polymer battery pack and manufacturing method of the same
JP5270154B2 (en) * 2005-05-16 2013-08-21 タイコエレクトロニクスジャパン合同会社 Sealing body
US7976981B2 (en) 2005-09-28 2011-07-12 Samsung Sdi Co., Ltd. Pouch-type lithium secondary battery and fabricating method thereof
WO2014060806A1 (en) * 2012-10-18 2014-04-24 Toyota Jidosha Kabushiki Kaisha Power storage module and power storage device
JP2014082162A (en) * 2012-10-18 2014-05-08 Toyota Motor Corp Power storage module and power storage device
JP2017073394A (en) * 2016-11-30 2017-04-13 ソニー株式会社 Battery

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