JPH07320794A - Battery for electric motor vehicle - Google Patents
Battery for electric motor vehicleInfo
- Publication number
- JPH07320794A JPH07320794A JP11481994A JP11481994A JPH07320794A JP H07320794 A JPH07320794 A JP H07320794A JP 11481994 A JP11481994 A JP 11481994A JP 11481994 A JP11481994 A JP 11481994A JP H07320794 A JPH07320794 A JP H07320794A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- battery
- passage
- battery cells
- inflow passage
- 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
Links
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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気自動車等の電動車
両に車載されるバッテリに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery mounted on an electric vehicle such as an electric vehicle.
【０００２】[0002]
【従来の技術】従来、この種のバッテリとしては、特開
平５−１９０２１３号公報に記載のものが知られてい
る。2. Description of the Related Art Conventionally, as this type of battery, the one described in Japanese Patent Laid-Open No. 5-190213 is known.
【０００３】かかるバッテリは、略直方体状のバッテリ
セルと、該バッテリセルを一端部から他端部に向けて複
数個列設して収納するバッテリボックスと、該バッテリ
ボックスの一端壁下側に設けられた気体流入部と、該バ
ッテリボックスの他端壁上側に設けられた気体排出部と
を備える。Such a battery is provided in a substantially rectangular parallelepiped battery cell, a battery box in which a plurality of the battery cells are arranged in a row from one end to the other end, and is housed under one end wall of the battery box. And a gas discharge part provided on the upper side of the other end wall of the battery box.
【０００４】複数個のバッテリセルの各底部とバッテリ
ボックスの底部との間には、前記気体流入部から流入し
た気体の通路をなす気体流入通路が形成されている。該
気体流入通路は、複数個のバッテリセルを、その上面を
水平にした状態でバッテリボックスの一端部から他端部
に向けて段階的に下げて配置することにより下流側に向
けて次第に狭くなるようにされている。A gas inflow passage is formed between the bottom of each of the plurality of battery cells and the bottom of the battery box to form a passage for the gas flowing from the gas inflow portion. The gas inflow passage is gradually narrowed toward the downstream side by arranging the plurality of battery cells while gradually lowering them from one end to the other end of the battery box with the upper surfaces thereof kept horizontal. Is being done.
【０００５】互いに隣り合うバッテリセルの間には、該
気体流入通路に流入した気体を各バッテリセル間に導く
気体導入通路が前記気体流入通路に連通して形成されて
いる。また、複数個のバッテリセルの上方には、該気体
導入通路を通過した気体を前記気体排出部から外部に排
出する気体排出通路が気体導入通路に連通して形成され
ている。尚、バッテリセルとしては、一般に、密閉式の
湿式二次電池（例えば、ニッカド電池やニッケル−水素
電池）が用いられている。A gas introduction passage for guiding the gas flowing into the gas inflow passage between the battery cells is formed between the battery cells adjacent to each other so as to communicate with the gas inflow passage. Further, a gas discharge passage for discharging the gas passing through the gas introduction passage to the outside from the gas discharge portion is formed above the plurality of battery cells so as to communicate with the gas introduction passage. In addition, as the battery cell, a sealed wet secondary battery (for example, a nickel cadmium battery or a nickel-hydrogen battery) is generally used.
【０００６】かかるバッテリにおいては、気体流入部か
ら気体流入通路に供給された冷却風を気体導入通路に導
いてバッテリセルを冷却することにより、充放電中に生
じた熱を除去して該熱による充放電量のばらつきを防止
している。そして、冷却の際には、気体流入通路は上述
したように下流側に向けて次第に狭くなっているので、
上流側から下流側にかけて同一面積の気体流入通路に冷
却風を流す場合に比べて、気体流入通路の上流側及び下
流側を流れる冷却風の流量が良好にバランスされる。In such a battery, the cooling air supplied from the gas inflow portion to the gas inflow passage is guided to the gas introduction passage to cool the battery cells, thereby removing the heat generated during charging / discharging and using the heat. Prevents variations in charge and discharge. Then, during cooling, the gas inflow passage is gradually narrowed toward the downstream side as described above,
Compared with the case where the cooling air flows through the gas inflow passage having the same area from the upstream side to the downstream side, the flow rates of the cooling air flowing through the upstream side and the downstream side of the gas inflow passage are well balanced.
【０００７】詳述すると、上流側から下流側にかけて同
一形状の気体流入通路に冷却風を流すと、下流側端部が
閉塞されているので、下流側を流れる冷却風の流量が多
くなり、下流側に位置する気体導入通路に導かれる冷却
風の流量が多くなる。このため、上流側と下流側とで各
バッテリセルの温度にばらつきが生じて各バッテリセル
の性能にばらつきが発生する。かかる不都合を解消する
ために、気体流入通路を下流側に向けて狭く形成して上
流側と下流側との流量が略均等になるように調整してい
る。これにより、各気体導入通路に導かれる冷却風の流
速が略均等とされ、各バッテリセルが均等に冷却されて
性能ばらつきが防止される。気体導入通路を通過した冷
却風は気体排出通路に導かれ気体排出部からバッテリボ
ックス外ひいては車外に排出される。More specifically, when the cooling air flows from the upstream side to the downstream side in the gas inflow passage having the same shape, the downstream end portion is closed, so that the flow rate of the cooling air flowing in the downstream side increases and the downstream side The flow rate of the cooling air guided to the gas introduction passage located on the side increases. Therefore, the temperature of each battery cell varies between the upstream side and the downstream side, and the performance of each battery cell also varies. In order to eliminate such inconvenience, the gas inflow passage is narrowed toward the downstream side so that the flow rates on the upstream side and the downstream side are adjusted to be substantially equal. As a result, the flow velocities of the cooling air introduced into the gas introduction passages are made substantially uniform, and the battery cells are evenly cooled to prevent performance variations. The cooling air that has passed through the gas introduction passage is guided to the gas discharge passage and is discharged from the gas discharge portion to the outside of the battery box and further to the outside of the vehicle.
【０００８】また、寒冷地又は冬季に車両を使用する際
には、バッテリの初期電力の低下を来して始動時に不具
合が発生するため、この場合は上述した冷却風に代えて
加熱風を気体流入通路に供給することにより各バッテリ
セルが均等に温められて良好な性能が確保される。Further, when the vehicle is used in cold regions or in winter, the initial power of the battery is reduced and a problem occurs at the time of starting. In this case, the heating air is replaced by the heating air instead of the cooling air. By supplying to the inflow passage, each battery cell is heated evenly and good performance is secured.
【０００９】ところで、バッテリセルの内部で発生する
ガス（酸素，水素等）が過剰になると爆発の危険がある
ために、バッテリセルの上面には、該ガスをバッテリセ
ル外に排出するガス排出弁部（排気栓、防爆栓、触媒栓
等）が設けられている。そして該ガス排出用弁部から排
出されたガスは気体排出通路を通って上述した冷却風
（又は加熱風）とともに気体排出部からバッテリボック
ス外に排出されるようになっている。By the way, since a gas (oxygen, hydrogen, etc.) generated inside the battery cell becomes excessively explosive, a gas discharge valve for discharging the gas to the outside of the battery cell is provided on the upper surface of the battery cell. Parts (exhaust plug, explosion-proof plug, catalyst plug, etc.) are provided. Then, the gas discharged from the gas discharging valve portion is discharged from the gas discharging portion to the outside of the battery box through the gas discharging passage together with the cooling air (or the heating air) described above.
【００１０】しかしながら、かかるバッテリにおいて
は、自動車等の走行中の振動等でバッテリセル内の電解
液面が揺れてガス排気弁部の弁体に付着し、付着した電
解液が上述したガスとともに該ガス排出弁部からバッテ
リボックス内に排出されてしまう場合があった。この場
合、ガスについては上述したように冷却風（又は加熱
風）とともに気体排出部からバッテリボックス外に排出
されるが、電解液については液体であるために該排出が
困難となってバッテリボックス内に残留してしまう不都
合がある。However, in such a battery, the electrolytic solution surface in the battery cell sways due to vibrations or the like while the automobile is running, and the electrolytic solution surface adheres to the valve body of the gas exhaust valve portion, and the adhered electrolytic solution together with the gas described above In some cases, the gas was discharged from the gas discharge valve portion into the battery box. In this case, the gas is discharged from the gas discharge part to the outside of the battery box together with the cooling air (or the heating air) as described above, but since the electrolyte is a liquid, it is difficult to discharge the gas inside the battery box. There is an inconvenience that it remains in.
【００１１】[0011]
【発明が解決しようとする課題】本発明はかかる不都合
を解消するためになされたものであり、バッテリボック
ス内に収納された各バッテリセルの性能にばらつきが生
じるのを良好に防止することができるのは勿論のこと、
ガス排出用弁部から電解液が漏れるのを良好に防止する
ことができる電動車両用バッテリを提供することを目的
とする。The present invention has been made in order to eliminate such inconvenience, and it is possible to favorably prevent variations in the performance of the battery cells housed in the battery box. Of course,
An object of the present invention is to provide a battery for an electric vehicle that can favorably prevent the electrolyte from leaking from the gas discharge valve portion.
【００１２】[0012]
【課題を解決するための手段】本発明は、かかる目的を
達成するために、上面にガス排出用弁部を有する略直方
体状のバッテリセルと、該バッテリセルを複数個列設し
て収納するバッテリボックスと、該バッテリボックスの
下側に設けられた気体流入部と、該バッテリボックスの
上側に設けられた気体排出部とを備え、前記複数個のバ
ッテリセルの各底部と前記バッテリボックスの底部との
間には、前記気体流入部から流入した気体の通路をなす
気体流入通路が下流側に向けて次第に狭くなるように形
成され、互いに隣り合うバッテリセルの間には、前記気
体流入通路に流入した気体を各バッテリセル間に導く気
体導入通路が前記気体流入通路に連通して形成され、前
記複数個のバッテリセルの上方には、該気体導入通路を
通過した気体を前記気体排出部から外部に排出する気体
排出通路が前記気体導入通路に連通して形成された電動
車両用バッテリにおいて、前記気体流入通路は、各バッ
テリセルを該気体流入通路の上流側が上がるように傾け
て配置することにより下流側に向けて次第に狭くなるよ
うにされ、前記ガス排出用弁部は、該バッテリセルの上
面中心位置より前記気体流入通路の上流側に配置されて
いることを特徴とするものである。In order to achieve the above object, the present invention accommodates a battery cell of a substantially rectangular parallelepiped shape having a gas discharge valve portion on its upper surface and a plurality of the battery cells arranged in a row. A battery box; a gas inflow portion provided below the battery box; and a gas exhaust portion provided above the battery box, each bottom portion of the plurality of battery cells and the bottom portion of the battery box. And a gas inflow passage forming a passage for the gas flowing in from the gas inflow portion are formed so as to become gradually narrower toward the downstream side, and between the battery cells adjacent to each other, the gas inflow passage is formed. A gas introduction passage for guiding the inflowing gas between the battery cells is formed in communication with the gas inflow passage, and the gas passing through the gas introduction passage is located above the plurality of battery cells. In an electric vehicle battery, wherein a gas discharge passage for discharging the gas from the gas discharge portion to the outside is formed in communication with the gas introduction passage, the gas inlet passage is inclined so that each battery cell rises upstream of the gas inlet passage. Is arranged so as to be gradually narrowed toward the downstream side, and the gas discharge valve portion is arranged upstream of the center position of the upper surface of the battery cell in the gas inflow passage. It is a thing.
【００１３】この場合、前記気体流入通路に気体を強制
的に供給する気体供給手段と、前記気体導入通路を通過
した気体を前記ガス排出用弁部から排出されたガスとと
もに前記気体排出通路を介して気体排出部から外部に強
制的に排出する気体排出手段とを備えるようにするのが
好ましい。In this case, the gas supply means forcibly supplying the gas to the gas inflow passage and the gas passing through the gas introduction passage are passed through the gas exhaust passage together with the gas exhausted from the gas exhaust valve portion. It is preferable to provide a gas discharging means for forcibly discharging the gas from the gas discharging portion to the outside.
【００１４】また、前記各バッテリセルの間に設けられ
て各バッテリセル間の温度を検知する温度検知手段と、
該温度検知手段による検知に応じて前記気体供給手段を
制御することにより該気体供給手段から前記気体流入通
路に供給される気体の供給量を調整する供給量制御手段
とを備えるようにすることもできる。Temperature detecting means provided between the battery cells for detecting the temperature between the battery cells,
A supply amount control means for adjusting the supply amount of the gas supplied from the gas supply means to the gas inflow passage by controlling the gas supply means in accordance with the detection by the temperature detection means may be provided. it can.
【００１５】この場合、隣り合うバッテリセルの互いに
対向する部分に上下方向に延びる凸状リブを幅方向に所
定の間隔を存して複数形成し、互いに対向する凸状リブ
同士を突き合わせることによって該突き合わされた凸状
リブを隔壁とする通路を前記バッテリセルの幅方向に複
数形成してこれを前記気体導入通路とし、該凸状リブ内
に前記温度検知手段を埋設するのが好ましい。In this case, a plurality of convex ribs extending in the vertical direction are formed at predetermined intervals in the width direction at the portions of the adjacent battery cells facing each other, and the convex ribs facing each other are butted against each other. It is preferable that a plurality of passages having the abutted convex ribs as partition walls are formed in the width direction of the battery cell to serve as the gas introduction passages, and the temperature detecting means is embedded in the convex ribs.
【００１６】[0016]
【作用】本発明によれば、気体流入部から気体流入通路
に供給された気体が気体導入通路に導かれて該気体によ
ってバッテリセルの温度調節がなされる。そして、温度
調節の際には、気体流入通路が下流側に向けて次第に狭
くなっているので、該気体流入通路を流れる気体の流量
は上流側から下流側にかけて良好にバランスされ、これ
により各気体導入通路を通過する気体の流速が略均等と
され、各バッテリセルが均等に温度調節される。気体導
入通路を通過した気体は気体排出通路に導かれ気体排出
部からバッテリボックス外ひいては車外に排出される。According to the present invention, the gas supplied from the gas inflow portion to the gas inflow passage is guided to the gas introduction passage, and the temperature of the battery cell is adjusted by the gas. When the temperature is adjusted, the gas inflow passage is gradually narrowed toward the downstream side, so that the flow rate of the gas flowing through the gas inflow passage is well balanced from the upstream side to the downstream side. The flow velocity of the gas passing through the introduction passage is made substantially equal, and the temperature of each battery cell is adjusted evenly. The gas that has passed through the gas introduction passage is guided to the gas discharge passage and is discharged from the gas discharge portion to the outside of the battery box and further to the outside of the vehicle.
【００１７】この時、各バッテリセルを該気体流入通路
の上流側が上がるように傾けて配置することにより、気
体流入通路を下流側に向けて次第に狭くなるようにして
いるので、ガス排出用弁部を、該バッテリセルの上面中
心位置より前記気体流入通路の上流側に配置することに
よって、ガス排出用弁部の弁体をバッテリセル内の電解
液面から遠ざけることができ、従って、車両走行中の振
動等で電解液面が揺れてもガス排気弁部の弁体に電解液
が付着するのが極力防止され、該弁体に付着した電解液
がバッテリセル内のガスとともに該ガス排出弁部からバ
ッテリボックス内に排出されるのが良好に防止される。At this time, by arranging the battery cells so as to be inclined so that the upstream side of the gas inflow passage goes up, the gas inflow passage is gradually narrowed toward the downstream side, so that the gas discharge valve portion is formed. Is disposed upstream of the center position of the upper surface of the battery cell in the gas inflow passage, the valve body of the gas discharge valve can be kept away from the electrolyte surface in the battery cell. The electrolyte is prevented from adhering to the valve body of the gas exhaust valve as much as possible even if the surface of the electrolyte is shaken by the vibration of the battery, and the electrolyte adhering to the valve body together with the gas in the battery cell Is effectively prevented from being discharged into the battery box.
【００１８】そして、該ガス排出用弁部から排出された
ガスは気体導入通路を通過した気体とともに気体排出通
路を通って気体排出部からバッテリボックス外に排出さ
れる。Then, the gas discharged from the gas discharge valve portion is discharged from the gas discharge portion to the outside of the battery box through the gas discharge passage together with the gas having passed through the gas introduction passage.
【００１９】この場合、気体流入通路に気体を強制的に
供給する気体供給手段と、気体導入通路を通過した気体
を気体排出通路を介して気体排出部から外部に強制的に
排出する気体排出手段とを備えるようにすると、ガス排
出用弁部から排出されたガスを気体導入通路を通過した
気体とともに気体排出部から強制的に排出することが可
能となる。In this case, the gas supply means forcibly supplying the gas to the gas inflow passage and the gas discharge means for forcibly discharging the gas passing through the gas introduction passage from the gas discharge portion to the outside through the gas discharge passage. With the above configuration, it becomes possible to forcibly discharge the gas discharged from the gas discharge valve portion from the gas discharge portion together with the gas that has passed through the gas introduction passage.
【００２０】また、各バッテリセル間の温度を検知する
温度検知手段を各バッテリセルの間に設け、該温度検知
手段による検知に応じて気体供給手段を供給量制御手段
によって制御して気体供給手段から気体流入通路に供給
される気体の供給量を調整するようにすると、バッテリ
セルの温度に応じて気体導入通路を通過する気体の流速
を調整することが可能となる。Further, temperature detecting means for detecting the temperature between the battery cells is provided between the battery cells, and the gas supply means is controlled by the supply amount control means according to the detection by the temperature detecting means. By adjusting the supply amount of the gas supplied from to the gas inflow passage, the flow velocity of the gas passing through the gas introduction passage can be adjusted according to the temperature of the battery cell.
【００２１】この場合、隣り合うバッテリセルの互いに
対向する部分に上下方向に延びる凸状リブを幅方向に所
定の間隔を存して複数形成し、そして互いに対向する凸
状リブ同士を突き合わせることによって該突き合わされ
た凸状リブを隔壁とする通路を前記バッテリセルの幅方
向に複数形成してこれを前記気体導入通路とすると、互
いに対向する凸状リブ同士を突き合わせるだけで複数の
気体導入通路を簡単に形成することが可能となり、ま
た、該凸状リブ内に前記温度検知手段を埋設することに
より、該気体導入通路が該温度検知手段によって塞がれ
るを良好に防止する。In this case, a plurality of convex ribs extending in the vertical direction are formed at predetermined intervals in the width direction at the portions of the adjacent battery cells facing each other, and the convex ribs facing each other are butted against each other. If a plurality of passages having the convex ribs abutted with each other as partition walls are formed in the width direction of the battery cell and used as the gas introduction passages, a plurality of gas introductions can be made only by abutting the convex ribs facing each other. The passage can be easily formed, and by embedding the temperature detecting means in the convex rib, it is possible to prevent the gas introducing passage from being blocked by the temperature detecting means.
【００２２】[0022]
【実施例】以下、本発明の一実施例を図１〜図６を参照
して説明する。図１は本発明の実施の一例である電動車
両用バッテリの概略平面図、図２は図１のＩＩ−ＩＩ線
の説明的断面図、図３は図１のＩＩＩ−ＩＩＩ線の説明
的断面図、図４はバッテリモジュールの分解斜視図、図
５は図４の部分的拡大図、図６はバッテリセル内の電解
液面と排気栓との位置関係を説明するための説明的断面
図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 is a schematic plan view of a battery for an electric vehicle that is an example of the embodiment of the present invention, FIG. 2 is an explanatory sectional view taken along line II-II of FIG. 1, and FIG. 3 is an explanatory sectional view taken along line III-III of FIG. FIG. 4, FIG. 4 is an exploded perspective view of the battery module, FIG. 5 is a partially enlarged view of FIG. 4, and FIG. 6 is an explanatory sectional view for explaining the positional relationship between the electrolyte surface and the exhaust plug in the battery cell. is there.
【００２３】図１及び図２に従って全体構成を説明する
と、電動車両用バッテリは、略直方体状のバッテリセル
１を１０個ずつ組付けてモジュール化したバッテリモジ
ュール２と、二列のバッテリモジュール２を長手方向に
沿って四列収納する左右方向に長い箱状のバッテリボッ
クス３と、該バッテリボックス３の左端壁下側に設けら
れた空気流入口４と、該バッテリボックス３の右端壁上
側に設けられた空気排出口５とを備える。バッテリモジ
ュール２の各底部とバッテリボックス３の底部との間に
は、空気流入口４から流入した冷却用空気の通路をなす
空気流入通路６が下流側に向けて次第に狭くなるように
形成されている。各バッテリモジュール２の間及び該バ
ッテリモジュール２を構成する各バッテリセル１の間に
は、空気流入通路６に流入した冷却用空気を垂直方向に
導く空気導入通路７ａ，７ｂが形成されている。各バッ
テリモジュール２の上面とバッテリボックス３の天板３
ａとの間には、空気導入通路７ａ，７ｂを通過した空気
を空気排出口５に排出する空気排出通路８が形成されて
いる。尚、図１において符号Ｐは各バッテリセル１の電
極を接続する接続プレートである。The overall structure will be described with reference to FIGS. 1 and 2. A battery for an electric vehicle includes a battery module 2 in which 10 battery cells 1 each having a substantially rectangular parallelepiped shape are assembled into a module, and a battery module 2 in two rows. A box-shaped battery box 3 which is long in the left-right direction and accommodates four rows along the longitudinal direction, an air inlet 4 provided on the lower side of the left end wall of the battery box 3, and an upper side of the right end wall of the battery box 3. The air outlet 5 is provided. Between each bottom of the battery module 2 and the bottom of the battery box 3, an air inflow passage 6 which is a passage for the cooling air flowing in from the air inflow opening 4 is formed so as to be gradually narrowed toward the downstream side. There is. Between the battery modules 2 and between the battery cells 1 forming the battery modules 2, air introduction passages 7a and 7b are formed to guide the cooling air flowing into the air inflow passage 6 in the vertical direction. The top surface of each battery module 2 and the top plate 3 of the battery box 3
An air discharge passage 8 for discharging the air that has passed through the air introduction passages 7a and 7b to the air discharge port 5 is formed between a and a. In FIG. 1, reference symbol P is a connection plate that connects the electrodes of each battery cell 1.
【００２４】バッテリセル１は、図４に示すように、上
面が長方形をなす直方体状のものであり、その長辺側の
両側面には、上下方向に延びる凸状リブ９が幅方向に等
間隔で複数箇所形成されている。また、バッテリセル１
の上面には、中央部に設けられた正の電極１０を間に挟
んで排気栓１２及び負の電極１１がそれぞれ長手方向
（左右方向）に離間して設けられている。正の電極１０
及び負の電極１１の略中間に位置する凸状リブ９には、
温度センサ１３が埋設される溝部１４が該温度センサ１
３の形状に対応して形成されている。該溝部１４は、バ
ッテリセル１の両側面の凸状リブ９にそれぞれ形成され
ている。このように両電極１０，１１間に温度センサ１
３を配置することにより両電極１０，１１間の急激な温
度変化が良好に検知される。本実施例では、図１及び図
４に示すように、５個のバッテリセル１の凸状リブ９同
士を互いに突き合わせて並べたものを二列に配置し、こ
れを両側から固定プレート１５で挟んでボルトで固定す
ることによりバッテリモジュール２を構成している。
尚、説明の便宜上、図１では各バッテリモジュール２間
の接続は省略し、図４では２個のバッテリセル１のみを
図示してある。As shown in FIG. 4, the battery cell 1 has a rectangular parallelepiped shape whose upper surface is a rectangular shape, and convex ribs 9 extending in the up-down direction are formed in the width direction on both sides of the long side. Multiple locations are formed at intervals. Also, the battery cell 1
An exhaust plug 12 and a negative electrode 11 are provided on the upper surface of the with a positive electrode 10 provided in the center interposed therebetween in the longitudinal direction (horizontal direction) so as to be separated from each other. Positive electrode 10
And the convex rib 9 located approximately in the middle of the negative electrode 11,
The groove portion 14 in which the temperature sensor 13 is embedded has the temperature sensor 1
It is formed corresponding to the shape of No. 3. The groove portions 14 are formed in the convex ribs 9 on both side surfaces of the battery cell 1, respectively. As described above, the temperature sensor 1 is provided between the electrodes 10 and 11.
By arranging 3, the rapid temperature change between both electrodes 10 and 11 can be detected well. In the present embodiment, as shown in FIGS. 1 and 4, the convex ribs 9 of the five battery cells 1 are arranged in abutment with each other and arranged in two rows, which are sandwiched by the fixing plates 15 from both sides. The battery module 2 is configured by fixing with a bolt.
For convenience of explanation, the connection between the battery modules 2 is omitted in FIG. 1, and only two battery cells 1 are shown in FIG.
【００２５】各バッテリセル１の凸状リブ９を突き合わ
せた状態においては、各バッテリセル１間に互いに突き
合わされた凸状リブ９を隔壁とする空気導入通路７ｂが
バッテリセル１の幅方向に複数形成される。このように
凸状リブ９同士を突き合わせて複数の空気導入通路７ｂ
が形成することにより、該空気導入通路７ｂの形成を簡
単なものとしている。また、図４及び図５に示すよう
に、互いに突き合わされた凸状リブ９の内で溝部１４が
形成された部分には温度センサ１３が埋設されており、
該温度センサ１３は、後述する制御装置１６に接続され
る（図２及び図３参照）。このように温度センサ１３を
凸状リブ９に埋設することによって、該温度センサ１３
で空気導入通路７ｂを塞ぐのを防止している。尚、図１
においては説明の便宜上、温度センサ１３は省略してい
る。In the state where the convex ribs 9 of each battery cell 1 are butted against each other, a plurality of air introduction passages 7b having partition walls of the convex ribs 9 butted against each other are provided in the width direction of the battery cell 1. It is formed. In this way, the convex ribs 9 are butted against each other to form a plurality of air introduction passages 7b.
Is formed, the formation of the air introduction passage 7b is simplified. Further, as shown in FIGS. 4 and 5, the temperature sensor 13 is embedded in a portion where the groove portion 14 is formed in the convex ribs 9 that are butted against each other.
The temperature sensor 13 is connected to a control device 16 described later (see FIGS. 2 and 3). By embedding the temperature sensor 13 in the convex rib 9 in this manner, the temperature sensor 13
Prevents the air introduction passage 7b from being blocked. Incidentally, FIG.
For convenience of description, the temperature sensor 13 is omitted in FIG.
【００２６】バッテリボックス３は、左右方向に長い箱
状に形成されたもので、図１に示すように、二列のバッ
テリモジュール２がバッテリセル１の排気栓１２を空気
流入口４側（上流側）に向けた状態でバッテリボックス
３の長手方向に沿って四列収納されている。収納時に
は、各バッテリセル１の排気栓１２は該バッテリセル１
の上面中心位置より空気流入口４側に配置される。ま
た、図２に示すように、各バッテリモジュール２は、そ
の空気流入口４側が上がるように傾けられて配置され、
長手方向に設けられた各バッテリモジュール２が空気排
出口５に向けて次第に下がるようにされている。これに
より、各バッテリモジュール２の底部とバッテリボック
ス３の底部との間に下流側に向けて次第に狭くなる空気
流入通路６が形成される。各バッテリモジュール２の間
には、図１に示すように、空気流入通路６に流入した空
気を垂直方向に導く空気導入通路７ａが格子状に形成さ
れている。The battery box 3 is formed in a box shape which is long in the left-right direction. As shown in FIG. 1, the two rows of battery modules 2 connect the exhaust plugs 12 of the battery cells 1 to the air inlet 4 side (upstream). Four rows are stored along the longitudinal direction of the battery box 3 in a state of facing the side). At the time of storage, the exhaust plug 12 of each battery cell 1 is
Is located closer to the air inlet 4 than the center position of the upper surface of Further, as shown in FIG. 2, each battery module 2 is arranged so as to be inclined so that the air inlet 4 side thereof rises,
Each battery module 2 provided in the longitudinal direction gradually lowers toward the air outlet 5. As a result, an air inflow passage 6 is formed between the bottom of each battery module 2 and the bottom of the battery box 3 so as to become gradually narrower toward the downstream side. Between the battery modules 2, as shown in FIG. 1, air introduction passages 7a for guiding the air flowing into the air inflow passages 6 in the vertical direction are formed in a lattice shape.
【００２７】バッテリボックス３の左端壁下側に設けら
れた空気流入口４には、図１及び図２に示すように、空
気流入通路６に空気を強制的に供給するための供給ファ
ン１７が取り付けられ、バッテリボックス３の右端壁上
側に設けられ空気排出口５には空気排出通路８から空気
を強制的に排出する排出ファン１８が取り付けられてい
る。供給ファン１７及び排出ファン１８は、上述した制
御装置１６に接続されている。該制御装置１６は、温度
センサ１３によるバッテリセル１の検知温度に応じて供
給ファン１７及び排出ファン１８の回転数を制御する。As shown in FIGS. 1 and 2, a supply fan 17 for forcibly supplying air to the air inflow passage 6 is provided at the air inlet 4 provided on the lower side of the left end wall of the battery box 3. An exhaust fan 18, which is attached to the upper side of the right end wall of the battery box 3 and forcibly exhausts air from the air exhaust passage 8, is attached to the air exhaust port 5. The supply fan 17 and the discharge fan 18 are connected to the control device 16 described above. The control device 16 controls the number of rotations of the supply fan 17 and the discharge fan 18 according to the temperature detected by the temperature sensor 13 of the battery cell 1.
【００２８】図２及び図３において符号１９は、各バッ
テリモジュール２をバッテリボックス３の底部に図示し
ないボルト等で支持固定する固定板であり、該固定板１
９は、図２に示すように、バッテリモジュール２の傾斜
角に対応してバッテリボックス３の長手方向に右下がり
に傾斜している。また、図３に示すように、該固定板１
９は、バッテリボックス３の幅方向に略等間隔で複数配
置されており、各バッテリモジュール２間の空気導入通
路７ａ及び各バッテリセル１の間の空気導入通路７ｂに
位置する部分には穴２０が形成されて該空気導入通路７
ａ，７ｂを塞がないようにしている。2 and 3, reference numeral 19 is a fixing plate for supporting and fixing each battery module 2 to the bottom of the battery box 3 with bolts or the like (not shown).
As shown in FIG. 2, the reference numeral 9 is inclined downward to the right in the longitudinal direction of the battery box 3 corresponding to the inclination angle of the battery module 2. In addition, as shown in FIG.
The plurality of batteries 9 are arranged at substantially equal intervals in the width direction of the battery box 3, and holes 20 are provided in the portions located in the air introduction passages 7a between the battery modules 2 and the air introduction passages 7b between the battery cells 1. And the air introduction passage 7 is formed.
A and 7b are not blocked.
【００２９】かかる構成の電動車両用バッテリにおいて
は、供給ファン１７によって空気流入口４から冷却用空
気が空気流入通路６に強制的に供給されると、該冷却用
空気は各バッテリモジュール２間に形成された空気導入
通路７ａ及び各バッテリセル１間に形成された空気導入
通路７ｂに導かれてバッテリセル１を冷却し、これによ
り、充放電中にバッテリセル１に生じた熱が除去されて
該熱による充放電量のばらつきが防止される。In the battery for an electric vehicle having such a structure, when cooling air is forcibly supplied from the air inlet 4 to the air inflow passage 6 by the supply fan 17, the cooling air is supplied between the battery modules 2. The battery cells 1 are cooled by being guided to the formed air introduction passages 7a and the air introduction passages 7b formed between the battery cells 1, whereby heat generated in the battery cells 1 during charge / discharge is removed. The variation in charge / discharge amount due to the heat is prevented.
【００３０】冷却の際には、空気流入通路６が従来と同
様に下流側に向けて次第に狭くなっているので、該空気
流入通路６を流れる冷却用空気の流量は上流側と下流側
とで良好にバランスされ、各空気導入通路７ａ，７ｂを
通過する冷却用空気の流速が略均等とされる。これによ
り、各バッテリセル１が均等に冷やされて各バッテリセ
ル１に温度差が生じるが良好に防止され、各バッテリセ
ル１の性能ばらつきが良好に防止される。空気導入通路
７ａ，７ｂを通過した冷却用空気は空気排出通路８に導
かれ排出ファン１８によって空気排出口５からバッテリ
ボックス３外ひいては車外に強制的に排出される。During cooling, since the air inflow passage 6 is gradually narrowed toward the downstream side as in the conventional case, the flow rate of the cooling air flowing through the air inflow passage 6 varies between the upstream side and the downstream side. It is well balanced and the flow velocities of the cooling air passing through the air introduction passages 7a and 7b are substantially equal. As a result, it is possible to satisfactorily prevent the battery cells 1 from being cooled evenly and to cause a temperature difference between the battery cells 1, and it is possible to prevent variability in the performance of the battery cells 1. The cooling air that has passed through the air introduction passages 7a and 7b is guided to the air discharge passage 8 and is forcibly discharged from the air discharge port 5 to the outside of the battery box 3 and further to the outside of the vehicle by the discharge fan 18.
【００３１】一方、バッテリセル１の排気栓１２から空
気排出通路８に排出されたガスは、排出ファン１８によ
って、空気導入通路７ａ，７ｂを通過した冷却用空気と
ともに空気排出通路８を通って空気排出口５からバッテ
リボックス３外、ひいては車外に強制的に排出される。
これにより、排気栓１２からバッテリボックス３内に排
出されたガスが確実に車外に排出される。On the other hand, the gas discharged from the exhaust plug 12 of the battery cell 1 to the air discharge passage 8 is passed through the air discharge passage 8 by the discharge fan 18 together with the cooling air passing through the air introduction passages 7a and 7b. It is forcibly discharged from the discharge port 5 to the outside of the battery box 3 and further to the outside of the vehicle.
As a result, the gas discharged from the exhaust plug 12 into the battery box 3 is reliably discharged outside the vehicle.
【００３２】この場合、本実施例では、各バッテリセル
１を空気流入通路６の上流側が上がるように傾けて配置
するとともに、バッテリセル１の排気栓１２を該バッテ
リセル１の上面中心位置より空気流入通路６の上流側に
配置しているので、図６に示すように、排気栓１２の弁
体１２ａと電解液面Ａとの間の寸法Ｌ1 を、従来のよう
にバッテリセル１を水平配置した場合の排気栓１２の弁
体１２ａと電解液面Ａとの間の寸法Ｌ2 より長くするこ
とができる。従って、排気栓１２の弁体１２ａを、従来
に比べてバッテリセル１内の電解液面Ａから遠ざけて配
置することができ、車両走行中の振動等で電解液面Ａが
揺れても排気栓１２の弁体１２ａに電解液が付着するの
が極力防止されて該排気栓１２から電解液が漏れるのが
良好に防止される。In this case, in the present embodiment, each battery cell 1 is arranged so as to be inclined so that the upstream side of the air inflow passage 6 rises, and the exhaust plug 12 of the battery cell 1 is located above the center position of the upper surface of the battery cell 1 so that the air is discharged. Since it is arranged on the upstream side of the inflow passage 6, as shown in FIG. 6, the dimension L 1 between the valve body 12a of the exhaust plug 12 and the electrolyte surface A is set to be the same as that of the conventional battery cell 1. It can be made longer than the dimension L 2 between the valve body 12a of the exhaust plug 12 and the electrolyte surface A when arranged. Therefore, the valve body 12a of the exhaust plug 12 can be arranged farther from the electrolytic solution surface A in the battery cell 1 as compared with the conventional one, and the exhaust plug can be swayed even when the electrolytic solution surface A is shaken by vibration while the vehicle is running. The electrolyte solution is prevented from adhering to the valve body 12a of 12 as much as possible, and the electrolyte solution is properly prevented from leaking from the exhaust plug 12.
【００３３】さらに、各バッテリセル１間に形成された
空気導入通路７ｂを冷却用空気が通過する際には、温度
センサ１３によって各バッテリセル１の温度が検知され
ており、該検知温度が予め設定された設定温度と相違す
る場合には、制御装置１６によって供給用ファン１７及
び排出用ファン１８の回転数が制御されて空気流入口４
から供給される空気の供給量と空気排出口５から排出さ
れる空気の量が適宜調整され、これにより、空気導入通
路７ｂを通過する冷却用空気の流速（流量）が調整され
てバッテリセル１が良好な温度に維持される。Further, when the cooling air passes through the air introduction passage 7b formed between the battery cells 1, the temperature of each battery cell 1 is detected by the temperature sensor 13, and the detected temperature is set in advance. When the set temperature is different from the set temperature, the control device 16 controls the rotation speeds of the supply fan 17 and the discharge fan 18 to control the air inlet 4
The amount of air supplied from the air supply port 5 and the amount of air discharged from the air discharge port 5 are appropriately adjusted, whereby the flow velocity (flow rate) of the cooling air passing through the air introduction passage 7b is adjusted, and the battery cell 1 is adjusted. Is maintained at a good temperature.
【００３４】本発明は、上記実施例に限定されるもので
はなく、本発明の要旨を逸脱しない範囲において適宜変
更可能である。例えば、上記実施例では、バッテリセル
１上面の長辺方向をバッテリボックス３の長手方向に向
けて配置した場合を例に採ったが、これに代えて、バッ
テリセル１の短辺方向をバッテリボックス３の長手方向
に向けて配置してもよい。この場合、排気栓１２は、図
７に示すように、バッテリセル１の上面中心位置より短
辺方向にずらして配置する。The present invention is not limited to the above embodiments, but can be modified as appropriate without departing from the gist of the present invention. For example, in the above embodiment, the case where the long side direction of the upper surface of the battery cell 1 is oriented toward the longitudinal direction of the battery box 3 is taken as an example, but instead of this, the short side direction of the battery cell 1 is arranged in the battery box 3. You may arrange | position toward the longitudinal direction of 3. In this case, as shown in FIG. 7, the exhaust plug 12 is arranged so as to be displaced in the short side direction from the center position of the upper surface of the battery cell 1.
【００３５】また、上記実施例では、バッテリセル１を
冷却するために空気流入通路６に冷却用空気を供給した
場合を例に採ったが、これに代えて、寒冷地又は冬季に
車両を使用する際には、冷却用空気に代えて加熱用空気
を空気流入通路６に供給するようにしてもよい。このよ
うにすると、各バッテリセル１が均等に温められて低温
時においても良好な始動が確保される。In the above embodiment, the case where the cooling air is supplied to the air inflow passage 6 for cooling the battery cells 1 is taken as an example, but instead of this, a vehicle is used in a cold region or winter. In doing so, the heating air may be supplied to the air inflow passage 6 instead of the cooling air. In this way, each battery cell 1 is evenly warmed and good starting is ensured even at low temperatures.
【００３６】[0036]
【発明の効果】上記の説明から明らかなように、本発明
によれば、各バッテリセルの温度を均等に調節すること
ができるので、各バッテリセルに温度差が生じるが良好
に防止される。このため、各バッテリセルの性能にばら
つきが生じるのを良好に防止することができる。As is apparent from the above description, according to the present invention, the temperature of each battery cell can be adjusted evenly, so that a temperature difference between the battery cells can be effectively prevented. Therefore, it is possible to favorably prevent variations in the performance of the battery cells.
【００３７】また、ガス排出用弁部の弁体をバッテリセ
ル内の電解液面から遠ざけて配置することができるの
で、車両走行中の振動等で電解液面が揺れてもガス排気
弁部の弁体に電解液が付着するのを良好に防止すること
ができる。このため、従来のように、電解液が該ガス排
出弁部からバッテリボックス内に排出されてバッテリボ
ックス内に残留するのを良好に防止することができる。Further, since the valve body of the gas discharge valve portion can be arranged away from the electrolytic solution surface in the battery cell, even if the electrolytic solution surface sways due to vibration during traveling of the vehicle, the gas exhaust valve portion It is possible to favorably prevent the electrolytic solution from adhering to the valve body. Therefore, it is possible to favorably prevent the electrolytic solution from being discharged into the battery box from the gas discharge valve portion and remaining in the battery box as in the conventional case.
【００３８】さらに、気体供給手段によって気体流入通
路に気体を強制的に供給すると共に、気体導入通路を通
過した気体を気体排出手段によって気体排出部から外部
に強制的に排出するようにすると、ガス排出用弁部から
バッテリボックス内に排出されたガスを気体導入通路を
通過した気体とともに強制的に外部に排出することがで
きるので、バッテリボックス内から該ガスを確実に排出
することができる。Furthermore, when the gas is forcedly supplied to the gas inflow passage by the gas supply means and the gas which has passed through the gas introduction passage is forcibly discharged from the gas discharge portion to the outside by the gas discharge means. Since the gas discharged from the discharge valve portion into the battery box can be forcibly discharged to the outside together with the gas passing through the gas introduction passage, the gas can be reliably discharged from the battery box.
【００３９】さらに、各バッテリセルの間に温度検知手
段を設け、該温度検知手段による検知に応じて気体供給
手段を供給量制御手段で制御して気体流入通路に供給さ
れる気体の供給量を調整するようにすると、バッテリセ
ルの温度に応じて気体導入通路を通過する気体の流速を
調整することができるので、バッテリセルの温度を所定
の温度に維持することができる。Further, temperature detecting means is provided between each battery cell, and the gas supply means is controlled by the supply amount control means in response to the detection by the temperature detecting means to control the supply amount of gas supplied to the gas inflow passage. With this adjustment, the flow velocity of the gas passing through the gas introduction passage can be adjusted according to the temperature of the battery cell, so that the temperature of the battery cell can be maintained at a predetermined temperature.
【００４０】この場合、隣り合うバッテリセルの互いに
対向する部分に上下方向に延びる凸状リブを幅方向に所
定の間隔を存して複数形成し、そして互いに対向する凸
状リブ同士を突き合わせることによって該突き合わされ
た凸状リブを隔壁とする通路を前記バッテリセルの幅方
向に複数形成してこれを前記気体導入通路とすると、互
いに対向する凸状リブ同士を突き合わせるだけで複数の
気体導入通路を簡単に形成することができ、また、該凸
状リブ内に前記温度検知手段を埋設することにより、該
気体導入通路が該温度検知手段によって塞がれるを防止
することができる。In this case, a plurality of convex ribs extending in the up-down direction are formed at predetermined intervals in the width direction on the portions of the adjacent battery cells facing each other, and the convex ribs facing each other are butted against each other. If a plurality of passages having the convex ribs abutted with each other as partition walls are formed in the width direction of the battery cell and used as the gas introduction passages, a plurality of gas introductions can be made only by abutting the convex ribs facing each other. The passage can be formed easily, and by embedding the temperature detecting means in the convex rib, it is possible to prevent the gas introducing passage from being blocked by the temperature detecting means.
【図１】本発明の実施の一例である電動車両用バッテリ
の概略平面図である。FIG. 1 is a schematic plan view of a battery for an electric vehicle that is an example of an embodiment of the present invention.
【図２】図１のＩＩ−ＩＩ線の説明的断面図である。FIG. 2 is an explanatory sectional view taken along the line II-II of FIG.
【図３】図１のＩＩＩ−ＩＩＩ線の説明的断面図であ
る。FIG. 3 is an explanatory sectional view taken along the line III-III in FIG.
【図４】バッテリモジュールの分解斜視図である。FIG. 4 is an exploded perspective view of a battery module.
【図５】図４の部分的拡大図である。FIG. 5 is a partially enlarged view of FIG.
【図６】バッテリセル内の電解液面とガス排出弁部との
関係を説明するための説明的断面図である。FIG. 6 is an explanatory cross-sectional view for explaining the relationship between the electrolyte surface in the battery cell and the gas discharge valve portion.
【図７】本発明の他の実施例を説明するための説明図で
ある。FIG. 7 is an explanatory diagram for explaining another embodiment of the present invention.
１…バッテリセル、３…バッテリボックス、４…空気流
入口、５…空気排出口、６…空気流入通路、７ａ，７ｂ
…空気導入通路、８…空気排出通路、９…凸状リブ、１
２…排気栓、１３…温度センサ、１６…制御装置、１７
…供給ファン、１８…排出ファンDESCRIPTION OF SYMBOLS 1 ... Battery cell, 3 ... Battery box, 4 ... Air inlet, 5 ... Air outlet, 6 ... Air inflow passage, 7a, 7b
... air introduction passage, 8 ... air discharge passage, 9 ... convex rib, 1
2 ... Exhaust plug, 13 ... Temperature sensor, 16 ... Control device, 17
… Supply fan, 18… Exhaust fan
Claims (4)
のバッテリセルと、該バッテリセルを複数個列設して収
納するバッテリボックスと、該バッテリボックスの下側
に設けられた気体流入部と、該バッテリボックスの上側
に設けられた気体排出部とを備え、前記複数個のバッテ
リセルの各底部と前記バッテリボックスの底部との間に
は、前記気体流入部から流入した気体の通路をなす気体
流入通路が下流側に向けて次第に狭くなるように形成さ
れ、互いに隣り合うバッテリセルの間には、前記気体流
入通路に流入した気体を各バッテリセル間に導く気体導
入通路が前記気体流入通路に連通して形成され、前記複
数個のバッテリセルの上方には、該気体導入通路を通過
した気体を前記気体排出部から外部に排出する気体排出
通路が前記気体導入通路に連通して形成された電動車両
用バッテリにおいて、前記気体流入通路は、各バッテリ
セルを該気体流入通路の上流側が上がるように傾けて配
置することにより下流側に向けて次第に狭くなるように
され、前記ガス排出用弁部は、該バッテリセルの上面中
心位置より前記気体流入通路の上流側に配置されている
ことを特徴とする電動車両用バッテリ。1. A substantially rectangular parallelepiped battery cell having a gas discharge valve portion on an upper surface thereof, a battery box for accommodating a plurality of the battery cells arranged in a row, and a gas inflow provided under the battery box. And a gas discharge part provided on the upper side of the battery box, and between the bottom parts of the plurality of battery cells and the bottom part of the battery box, a passage for gas flowing from the gas inflow part. The gas inflow passage that forms the gas inflow passage is gradually narrowed toward the downstream side, and the gas introduction passage that guides the gas flowing into the gas inflow passage between the battery cells is formed between the battery cells adjacent to each other. A gas discharge passage, which is formed in communication with the inflow passage and discharges the gas passing through the gas introduction passage to the outside from the gas discharge portion, is formed above the plurality of battery cells. In the battery for an electric vehicle formed in communication with the passage, the gas inflow passage is gradually narrowed toward the downstream side by arranging the battery cells so that the upstream side of the gas inflow passage is inclined. The gas discharge valve portion is arranged upstream of the center position of the upper surface of the battery cell in the gas inflow passage.
る気体供給手段と、前記気体導入通路を通過した気体を
前記ガス排出用弁部から排出されたガスとともに前記気
体排出通路を介して気体排出部から外部に強制的に排出
する気体排出手段とを備えたことを特徴とする請求項１
記載の電動車両用バッテリ。2. Gas supply means for forcibly supplying gas to the gas inflow passage, and gas passing through the gas introduction passage together with gas discharged from the gas discharge valve portion through the gas discharge passage. A gas discharge means for forcibly discharging the gas from the gas discharge portion to the outside is provided.
The battery for an electric vehicle described.
ッテリセル間の温度を検知する温度検知手段と、該温度
検知手段による検知に応じて前記気体供給手段を制御す
ることにより該気体供給手段から前記気体流入通路に供
給される気体の供給量を調整する供給量制御手段とを備
えたことを特徴とする請求項２記載の電動車両用バッテ
リ。3. A gas supply means provided between the battery cells to detect a temperature between the battery cells, and the gas supply means by controlling the gas supply means in response to the detection by the temperature detection means. The battery for an electric vehicle according to claim 2, further comprising: a supply amount control unit that adjusts a supply amount of the gas supplied from the unit to the gas inflow passage.
分に上下方向に延びる凸状リブを幅方向に所定の間隔を
存して複数形成し、互いに対向する凸状リブ同士を突き
合わせることによって該突き合わされた凸状リブを隔壁
とする通路を前記バッテリセルの幅方向に複数形成して
これを前記気体導入通路とし、該凸状リブ内に前記温度
検知手段を埋設したことを特徴とする請求項３記載の電
動車両用バッテリ。4. A plurality of convex ribs extending in the up-down direction are formed at a predetermined interval in the width direction at portions of adjacent battery cells facing each other, and the convex ribs facing each other are abutted to each other. It is characterized in that a plurality of passages having abutting convex ribs as partition walls are formed in the width direction of the battery cell to form the gas introduction passages, and the temperature detecting means is embedded in the convex ribs. Item 3. An electric vehicle battery according to item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11481994A JP3574175B2 (en) | 1994-05-27 | 1994-05-27 | Battery for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11481994A JP3574175B2 (en) | 1994-05-27 | 1994-05-27 | Battery for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07320794A true JPH07320794A (en) | 1995-12-08 |
| JP3574175B2 JP3574175B2 (en) | 2004-10-06 |
Family
ID=14647484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11481994A Expired - Fee Related JP3574175B2 (en) | 1994-05-27 | 1994-05-27 | Battery for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3574175B2 (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11288744A (en) * | 1998-03-05 | 1999-10-19 | Black & Decker Inc | Cordless power tool, detachable battery pack, charger, auxiliary moving device for fluid, and temperature changing mechanism for battery pack |
| JP2000100481A (en) * | 1998-09-18 | 2000-04-07 | Fuji Heavy Ind Ltd | Battery box for electric vehicle |
| JP2001167806A (en) * | 1999-12-09 | 2001-06-22 | Toyota Motor Corp | Battery pack for car |
| JP2001283937A (en) * | 2000-03-31 | 2001-10-12 | Matsushita Electric Ind Co Ltd | Liquid-cooled type battery pack |
| JP2001319697A (en) * | 2000-05-12 | 2001-11-16 | Japan Storage Battery Co Ltd | Assembled battery |
| JP2002373709A (en) * | 2001-06-15 | 2002-12-26 | Denso Corp | Battery cooling structure |
| JP2003045504A (en) * | 2001-07-31 | 2003-02-14 | Shin Kobe Electric Mach Co Ltd | Battery module |
| KR20030017821A (en) * | 2001-08-23 | 2003-03-04 | 현대자동차주식회사 | COOLING SYSTEM of BATTERY FOR ELECTRIC VEHICLES |
| JP2005093144A (en) * | 2003-09-12 | 2005-04-07 | Tokyo R & D Co Ltd | Battery-cooling system, and power supply device and motor vehicle equipped with the system |
| JP2005197078A (en) * | 2004-01-07 | 2005-07-21 | Toyota Motor Corp | Loading structure of electricity storage mechanism |
| JP2007253659A (en) * | 2006-03-20 | 2007-10-04 | Denso Corp | Vehicle power supply device with two-power supply system |
| WO2009128214A1 (en) * | 2008-04-14 | 2009-10-22 | Nissan Motor Co., Ltd. | Battery pack and vehicle with the battery pack |
| KR100948003B1 (en) * | 2006-02-27 | 2010-03-18 | 주식회사 엘지화학 | Middle and Large-Sized Battery Pack of Excellent Cooling Efficiency |
| WO2010032312A1 (en) * | 2008-09-19 | 2010-03-25 | 三菱重工業株式会社 | Mobile object with built-in secondary batteries and gas treatment device for secondary batteries |
| JP2010515219A (en) * | 2006-12-30 | 2010-05-06 | エルジー・ケム・リミテッド | Medium or large battery pack case that improves distribution uniformity of coolant flux |
| WO2012063292A1 (en) * | 2010-11-12 | 2012-05-18 | 川崎重工業株式会社 | Mounting structure for accumulator devices in electric vehicle |
| JP2012192785A (en) * | 2011-03-15 | 2012-10-11 | Honda Motor Co Ltd | Battery mounting structure for saddle-type electric vehicle |
| KR101282473B1 (en) * | 2011-09-21 | 2013-07-04 | 로베르트 보쉬 게엠베하 | Battery pack |
| JP2015220003A (en) * | 2014-05-15 | 2015-12-07 | トヨタ自動車株式会社 | Battery pack |
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|---|---|---|---|---|
| JPH11288744A (en) * | 1998-03-05 | 1999-10-19 | Black & Decker Inc | Cordless power tool, detachable battery pack, charger, auxiliary moving device for fluid, and temperature changing mechanism for battery pack |
| JP2000100481A (en) * | 1998-09-18 | 2000-04-07 | Fuji Heavy Ind Ltd | Battery box for electric vehicle |
| JP2001167806A (en) * | 1999-12-09 | 2001-06-22 | Toyota Motor Corp | Battery pack for car |
| JP2004031364A (en) * | 2000-03-31 | 2004-01-29 | Matsushita Electric Ind Co Ltd | Fluid cooling battery pack system |
| JP2004014520A (en) * | 2000-03-31 | 2004-01-15 | Matsushita Electric Ind Co Ltd | Fluid cooling type battery pack system |
| JP2001283937A (en) * | 2000-03-31 | 2001-10-12 | Matsushita Electric Ind Co Ltd | Liquid-cooled type battery pack |
| JP2005011787A (en) * | 2000-03-31 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Fluid cooling battery pack system |
| JP2001319697A (en) * | 2000-05-12 | 2001-11-16 | Japan Storage Battery Co Ltd | Assembled battery |
| JP4665289B2 (en) * | 2000-05-12 | 2011-04-06 | 株式会社Ｇｓユアサ | Assembled battery |
| JP2002373709A (en) * | 2001-06-15 | 2002-12-26 | Denso Corp | Battery cooling structure |
| JP2003045504A (en) * | 2001-07-31 | 2003-02-14 | Shin Kobe Electric Mach Co Ltd | Battery module |
| JP4492002B2 (en) * | 2001-07-31 | 2010-06-30 | 新神戸電機株式会社 | Battery module |
| KR20030017821A (en) * | 2001-08-23 | 2003-03-04 | 현대자동차주식회사 | COOLING SYSTEM of BATTERY FOR ELECTRIC VEHICLES |
| JP2005093144A (en) * | 2003-09-12 | 2005-04-07 | Tokyo R & D Co Ltd | Battery-cooling system, and power supply device and motor vehicle equipped with the system |
| JP2005197078A (en) * | 2004-01-07 | 2005-07-21 | Toyota Motor Corp | Loading structure of electricity storage mechanism |
| KR100948003B1 (en) * | 2006-02-27 | 2010-03-18 | 주식회사 엘지화학 | Middle and Large-Sized Battery Pack of Excellent Cooling Efficiency |
| JP2007253659A (en) * | 2006-03-20 | 2007-10-04 | Denso Corp | Vehicle power supply device with two-power supply system |
| JP2010515219A (en) * | 2006-12-30 | 2010-05-06 | エルジー・ケム・リミテッド | Medium or large battery pack case that improves distribution uniformity of coolant flux |
| US8673475B2 (en) | 2006-12-30 | 2014-03-18 | Lg Chem, Ltd. | Middle or large-sized battery pack case providing improved distribution uniformity in coolant flux |
| WO2009128214A1 (en) * | 2008-04-14 | 2009-10-22 | Nissan Motor Co., Ltd. | Battery pack and vehicle with the battery pack |
| JP2009277647A (en) * | 2008-04-14 | 2009-11-26 | Nissan Motor Co Ltd | Battery pack, and vehicle mounting battery pack |
| US8642204B2 (en) | 2008-04-14 | 2014-02-04 | Nissan Motor Co., Ltd. | Battery pack with covering member and vehicle with the battery pack |
| WO2010032312A1 (en) * | 2008-09-19 | 2010-03-25 | 三菱重工業株式会社 | Mobile object with built-in secondary batteries and gas treatment device for secondary batteries |
| EP2639092A4 (en) * | 2010-11-12 | 2017-01-25 | Kawasaki Jukogyo Kabushiki Kaisha | Mounting structure for accumulator devices in electric vehicle |
| WO2012063292A1 (en) * | 2010-11-12 | 2012-05-18 | 川崎重工業株式会社 | Mounting structure for accumulator devices in electric vehicle |
| CN103140366A (en) * | 2010-11-12 | 2013-06-05 | 川崎重工业株式会社 | Mounting structure for accumulator devices in electric vehicle |
| JP5504352B2 (en) * | 2010-11-12 | 2014-05-28 | 川崎重工業株式会社 | Mounting structure of power storage device in electric vehicle |
| JP2012192785A (en) * | 2011-03-15 | 2012-10-11 | Honda Motor Co Ltd | Battery mounting structure for saddle-type electric vehicle |
| KR101282473B1 (en) * | 2011-09-21 | 2013-07-04 | 로베르트 보쉬 게엠베하 | Battery pack |
| US9478776B2 (en) | 2011-09-21 | 2016-10-25 | Samsung Sdi Co., Ltd. | Battery pack having housing with inlet opening and closing device |
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| JP2019032992A (en) * | 2017-08-08 | 2019-02-28 | トヨタ自動車株式会社 | Battery pack |
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