JP4096358B2 - battery - Google Patents

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Publication number
JP4096358B2
JP4096358B2 JP2003025052A JP2003025052A JP4096358B2 JP 4096358 B2 JP4096358 B2 JP 4096358B2 JP 2003025052 A JP2003025052 A JP 2003025052A JP 2003025052 A JP2003025052 A JP 2003025052A JP 4096358 B2 JP4096358 B2 JP 4096358B2
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member
battery
isolation member
cells
present invention
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JP2004235110A (en
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敏之 温田
徳雄 稲益
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株式会社ジーエス・ユアサコーポレーション
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    • 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 or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は電池に関する。 The present invention relates to a battery.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
複数の単電池を同一の収容箱に収容した電池がある。 There is a battery accommodating a plurality of unit cells in the same container box. 図30および図31は、従来の電池1を示す。 30 and 31 show a conventional battery 1. この電池1は、扁平の単電池10が扁平厚み方向に沿って並べられた状態で、収容箱11内に収容されている。 The battery 1 is in a state in which the cells 10 are arranged along the flat thickness direction of the flat, are accommodated in the accommodating box 11.
【0003】 [0003]
単電池10は、発電要素10aと、この発電要素10aを被覆する軟質の外装体10bと、発電要素10aに接合された一対のリード端子10cとを備えている。 Cells 10 includes a power generating element 10a, the exterior body 10b of the flexible covering the power generating element 10a, and a pair of lead terminals 10c joined to the power generating element 10a. これらの単電池10の端子10cは、収容箱11内で集電部材(図示せず)によって互いに接続されている。 Terminal 10c of these cells 10 are connected to each other by a current collecting member (not shown) in the housing box 11. また、収容箱11には、通風孔14が形成されている。 Further, the accommodating box 11, vent holes 14 are formed.
【0004】 [0004]
そして、図32に示すように、複数の電池1が並列に並べられて一体化される。 Then, as shown in FIG. 32, it is integrated a plurality of batteries 1 are arranged in parallel. この場合、外側の電池1の側面にファン15が取り付けられる。 In this case, the fan 15 is attached to the side of the outside of the battery 1.
【0005】 [0005]
このファン15によって、電池1の通風孔14からその内部に風が送られて、各単電池10が冷却される。 This by the fan 15, and air is sent to the inside from the ventilation hole 14 of the battery 1, each cell 10 is cooled.
【0006】 [0006]
上記のように、従来の電池1は、収容箱11内に複数の単電池10が密着しているため、熱がこもり、各種の不具合が発生する虞れがあった。 As described above, the conventional battery 1, since a plurality of single cells 10 in the receiving box 11 are in close contact, heat is muffled, various failure had possibility to occur.
【0007】 [0007]
このような問題を解決するため、図33に示すように、単電池10,10の間にスペーサ16を介在させた電池17が提案されている(例えば、特許文献1参照。)。 To solve this problem, as shown in FIG. 33, a battery 17 that the spacer 16 is interposed between the unit cells 10 and 10 has been proposed (e.g., see Patent Document 1.).
【0008】 [0008]
また、図34に示すように、収容箱11の内面に所定の間隔をあけて複数の溝18を設け、これらの溝18内に単電池10を挿入した電池19が提案されている(例えば、特許文献2参照。)。 Further, as shown in FIG. 34, at predetermined intervals on the inner surface of the housing box 11 provided with a plurality of grooves 18, the battery 19 has been inserted the cells 10 within the grooves 18 have been proposed (e.g., see Patent Document 2.).
【0009】 [0009]
【特許文献1】 [Patent Document 1]
特開2000−195480号公報【0010】 Japanese Unexamined Patent Publication No. 2000-195480 Publication [0010]
【特許文献2】 [Patent Document 2]
特開2001−256934号公報【0011】 Japanese Unexamined Patent Publication No. 2001-256934 Publication [0011]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
しかしながら、従来の特許文献1,2に記載されている電池17,19は、収容箱11の側面に複数の通風孔14が形成されているため、他の物体がこれらの通風孔14を通して内部の単電池10に接触し過大な力がかかる虞れがあった。 However, batteries 17 and 19 that are described in prior patent documents 1 and 2, the plurality of side surfaces of the accommodating box 11 for ventilating hole 14 is formed, inside other objects through these ventilation holes 14 excessive force in contact with the cells 10 had such a fear.
【0012】 [0012]
単電池10は比較的軟質な外装部材(図示せず)によって覆われているため、単電池10に他の物体が接触して過大な力が作用すると外装部材が変形し、場合によっては破損してしまう。 Since the cells 10 are covered by a relatively soft outer member (not shown), the cells 10 in contact with other objects deformed outer member when excessive force is exerted, in some cases damage and will.
【0013】 [0013]
本発明は、このような問題に鑑みてなされたもので、他の物体が接触しても内部の単電池が変形したり、破損するのを防止できる電池を提供するものである。 The present invention has been made in view of such problems, or deformed unit cell internal be in contact with other objects, there is provided a battery can be prevented from being damaged.
【0014】 [0014]
【課題を解決するための手段】 In order to solve the problems]
本発明は、一対の端子を有し、発電要素を軟質の外装体により被覆するとともに略扁平状に形成された複数の単電池と、前記各単電池を扁平厚み方向に沿って所定間隔を空けて整列させた状態で収容する収容箱と、前記各単電池間に配置されて前記各単電池を個別に隔離する板状の複数の隔離部材とを備える電池であって、前記各隔離部材の幅寸法および高さ寸法のうちの少なくとも一方が、前記外装体の平面形状幅寸法および平面形状高さ寸法よりも大きいことを特徴とする。 The present invention has a pair of terminals, a plurality of unit cells formed in a substantially flat shape with a power generating element is covered with an exterior of soft, at predetermined intervals along the respective cells in the flat thickness direction a housing box for housing in a state of being aligned Te, wherein a battery and a plurality of isolation members each disposed between the unit cells to isolate individually the respective cells in the plate, wherein each isolation member At least one of the width and height dimensions, being larger than the planar shape width and the planar shape the height of the outer body.
【0015】 [0015]
本発明によれば、収容箱に形成された通風孔から内部の単電池に他の物体が接触して過大な力が作用した場合でも、隔離部材によって単電池が保護されるので、単電池の変形や破損を防止できる。 According to the present invention, even if an excessive force from being formed on the housing box vents in contact with other objects in the single cell internal acts, since the unit cells are protected by the isolating member, the unit cell the deformation and damage can be prevented.
【0016】 [0016]
また、隔離部材の幅寸法または高さ寸法を単電池の外装体の幅寸法または高さ寸法より大きいので、単電池を確実に保護できる。 Further, since the width or height dimension of the isolation member larger than the width or height of the outer package of the unit cell can be reliably protect the unit cells.
【0017】 [0017]
ここで、前記収容箱の内面に前記各隔離部材を所定位置に係合保持するための溝を複数設けることができる。 Here, it is possible to provide a plurality of grooves for engaging and holding the respective isolation member to the inner surface of the accommodation box in position. これにより、単電池が膨張した場合でも隔離部材が移動することはないので、隣接する単電池が隔離部材によって保護される。 Thus, the isolation member even when the unit cells are expanded does not move, the unit cells adjacent is protected by isolating member.
【0018】 [0018]
また、前記各隔離部材の面方向に沿って通風可能な通風部を前記各隔離部材に設けることができる。 Further, it is possible to provide a ventilating possible ventilation part along the surface direction of each of the isolation member in each isolation member. この場合には、隔離部材に形成された通風部を通る空気によって、この隔離部材に隣接する単電池を冷却できるので、電池に対する放熱効果を高めることができる。 In this case, the air passing through the ventilation part that is formed on the isolation member, it is possible to cool the unit cells adjacent to the separating member, it is possible to enhance the heat dissipation effect for the battery.
【0019】 [0019]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、本発明に係る電池の実施の形態を図面を参照して詳細に説明する。 Hereinafter, an embodiment of a battery according to the present invention with reference to the accompanying drawings.
【0020】 [0020]
(第1実施形態) (First Embodiment)
図1は、本発明に係る第1実施形態の電池5の水平面に沿って切断して上方から見た横断面図(図1(a))および部分斜視図(図1(b))を示す。 Figure 1 shows a cross-sectional view from above taken along the horizontal plane of the cell 5 according to the first embodiment of the present invention (FIG. 1 (a)) and a partial perspective view (FIG. 1 (b)) . この電池5は、略扁平状に形成された複数の単電池50と、これらの単電池50を収容する収容箱51と、単電池50を接続するべく収容箱51に固定された一対の集電部材52(図3参照)と、各単電池50間に配置された複数の隔離部材53とを備えている。 The battery 5, a plurality of battery cells 50 formed in a substantially flat shape, containing box 51 that accommodates these battery cells 50, a pair of fixed to housing box 51 so as to connect the battery cells 50 collector a member 52 (see FIG. 3), and a plurality of isolation members 53 disposed between the respective battery cells 50.
【0021】 [0021]
次に、上記各構成要素について説明する。 Next, a description will be given above components. 単電池50は、図2に示すように、発電要素50aと、この発電要素50aに接合された一対のリード端子50bと、これらのリード端子50bが外部に引き出されるように発電要素50aを被覆する軟質の外装体50cとを有している。 The battery cells 50, as shown in FIG. 2, to cover the power generating element 50a, a pair of lead terminals 50b joined to the power generating element 50a, the power generating element 50a so that these lead terminals 50b are drawn out and a packaging body 50c soft.
【0022】 [0022]
収容箱51は、各単電池50を扁平厚み方向に沿って所定間隔を空けて整列させた状態で収容可能に形成されている。 Containing box 51 is capable of accommodating formed while being aligned at a predetermined interval each cell 50 along the flat thickness direction. この収容箱51の側面には、通風孔51aが形成されている。 On a side surface of the accommodating box 51, vent holes 51a are formed.
【0023】 [0023]
これらの通風孔51aは、図1に示すように、側板51bの内面付近まで開口されている。 These ventilation holes 51a, as shown in FIG. 1, is open to the vicinity of the inner surface of the side plate 51b. このうち、最上部の通風孔51aは、図2に示すように、リード端子50bの付け根付近に形成されている。 Of these, the ventilation hole 51a of the top, as shown in FIG. 2, are formed near the base of the lead pin 50b.
【0024】 [0024]
リード端子50bの付け根は最も熱が発生しやすいので、この付け根付近に通風孔51aを設けることによって、放熱性が向上する。 The lead base of the terminal 50b is easiest to heat is generated, by providing the ventilation holes 51a in the vicinity of the base, thereby improving the heat radiation property.
【0025】 [0025]
また、単電池50は、図1に示すように、その両側が隔離部材53によって挟まれている。 Also, the battery cells 50, as shown in FIG. 1, both sides are sandwiched by the isolating member 53. すなわち、隔離部材53の数は、単電池50の数よりも一個多くなっている。 That is, the number of isolation member 53 is made one larger than the number of battery cells 50.
【0026】 [0026]
更に、両端に配置された隔離部材53は、収容箱51の側板51bに当接している。 Additionally, the isolation member 53 disposed at both ends is in contact with the side plate 51b of the housing box 51. これらの構成によって、単電池50の放熱効果が更に高くなるので、 With such a construction, since the heat dissipation effect of the battery cells 50 is further increased,
両端部に配置された単電池50に対しても、他の単電池50と同様に放熱効果を高めることができる。 Even for battery cells 50 arranged at both ends, it is possible to increase the same heat dissipation effect with other battery cells 50.
集電部材52は、図3に示すように、単電池50の各リード端子50bを介して各単電池50を電気的に接続するように構成されている。 The current collecting member 52, as shown in FIG. 3, and is configured to each cell 50 via the respective lead terminals 50b of the battery cells 50 so as to electrically connect. これらの集電部材52には、電気取り出し端子52cが設けられている。 These current collecting member 52, electrical takeout terminal 52c is provided.
【0027】 [0027]
ここで、集電部材52は、図4(a),(b)にも示すように、単電池50のリード端子50bを折り曲げた状態で接触させる複数の接触部52aと、これらの接触部52aを連結する連結部材52bとを有している。 Here, the current collecting member 52, as shown in FIG. 4 (a), (b), a plurality of contact portions 52a contacting in a state of bending the lead terminals 50b of the cells 50, these contact portions 52a and a connecting member 52b which connects the.
【0028】 [0028]
上記の隔離部材53は、図5に示すように、内面が平坦な一対の板状部材53a,53bと、これらの板状部材53a,53bの間に配置された波状部材53cとによって構成されている。 Additional isolation member 53, as shown in FIG. 5, is configured inner surface flat pair of plate members 53a, and 53b, these plate-like members 53a, by a wavy member 53c disposed between the 53b there.
【0029】 [0029]
そして、板状部材53a,53b間の隙間に、波状部材53cによって画成された通風孔54が形成されている。 Then, the plate-like member 53a, in the gap between 53b, vents 54 defined by the corrugated member 53c is formed.
【0030】 [0030]
この隔離部材53は、図6に示すように、板状部材53a,53bと波状部材53cとが一体成形されたものを容易に入手できる。 The isolation member 53, as shown in FIG. 6, readily available those plate-shaped member 53a, and the 53b and the corrugated member 53c are integrally formed. また、図7に示すように、板状部材53a,53bに多数の孔53dが形成されたものも使用できる。 Further, as shown in FIG. 7, it can also be used for the plate-like member 53a, a large number of holes 53d to 53b are formed.
【0031】 [0031]
この隔離部材53の材質としては、熱伝導性および/または絶縁性に優れた材質が好ましい。 As the material of the isolation member 53, a material having excellent thermal conductivity and / or insulating are preferred. 熱伝導性に優れた材料としてはアルミニウムや銅といった金属が挙げられる。 The material excellent in heat conductivity include metal such as aluminum or copper.
【0032】 [0032]
また、絶縁性に優れた材料としては、酸化アルミニウムや酸化珪素といったセラミック(酸化物)や高分子材料が挙げられる。 As the material having excellent insulating properties, ceramics (oxide) and a polymer material can be given such aluminum oxide or silicon oxide. 更に、これら熱伝導性および絶縁性を兼ね備えて持つ樹脂コートした酸化マグネシウムや、アルミラミネートフィルムに代表される金属樹脂複合体などを用いることが望ましい。 Furthermore, magnesium oxide and coated with resin having combines these thermal conductivity and insulating properties, it is desirable to use a metal-resin composite typified by aluminum laminate film.
【0033】 [0033]
このように、本発明の電池5によれば、隔離部材53によって単電池50が保護されるので、収容箱51内に通風孔51aを通して他の物体が進入したとしても、この物体が単電池50に接触することがないので、単電池50の変形や破損を防止できる。 Thus, according to the battery 5 of the present invention, since the battery cells 50 is protected by the isolation member 53, as other objects enters through vents 51a in the accommodating box 51, the object is a single cell 50 since no contact with, the deformation and breakage of the battery cells 50 can be prevented.
【0034】 [0034]
また、複数の単電池50が隔離部材53によって隔離されているので、単電池50が膨張した場合でも、その影響が他の単電池50に及ぶのを防止できる。 Further, since a plurality of battery cells 50 are separated by the isolation member 53, even when the battery cells 50 is inflated, it is possible to prevent the influence thereof extends to the other battery cells 50.
【0035】 [0035]
さらに、図2に示すように、隔離部材53の幅寸法W2および高さ寸法H2が、単電池50の外装体50cの幅寸法W1および高さ寸法H1より大きいので、単電池50を確実に保護できる。 Furthermore, as shown in FIG. 2, since the width dimension W2 and height H2 of the isolation member 53 is larger than the width W1 and height H1 of the outer body 50c of the battery cells 50, ensure protection of the battery cells 50 it can.
【0036】 [0036]
また、隔離部材53がハニカム構造であり、両側の板状部材53a,53bが波状部材53cに線接触するため、温度分布が均一となる。 Also, the isolation member 53 is a honeycomb structure, because both sides of the plate-like member 53a, 53b is in line contact to the corrugated member 53c, the temperature distribution becomes uniform. 従って、隔離部材53の放熱性が均一となるため、好ましい結果が得られる。 Thus, since the heat dissipation of the isolation member 53 is uniform, favorable results.
【0037】 [0037]
なお、上述の実施形態では各隔離部材53の幅寸法W2および高さ寸法H2の両方を、単電池50の外装体50cの平面形状幅寸法W1および平面形状高さ寸法H1よりも大きくしたが、各隔離部材53の幅寸法W2または高さ寸法H2の一方を、単電池50の外装体50cの平面形状幅寸法W1または平面形状高さ寸法H1よりも大きく形成してもよい。 Incidentally, both the width W2 and height H2 of the isolation member 53 in the embodiment described above, has been larger than a plane shape width W1 and a plan shape height H1 of the exterior body 50c of the battery cells 50, one of the width W2 or the height H2 of the isolation member 53 may be larger than the planar shape width W1 or planar shape height H1 of the exterior body 50c of the battery cells 50.
【0038】 [0038]
(第2実施形態) (Second Embodiment)
図8は第2実施形態の収容箱56の水平面に沿って切断して上方から見た横断面図である。 Figure 8 is a cross-sectional view from above taken along the horizontal plane of the container box 56 of the second embodiment. この収容箱56の内側面56aには、各隔離部材53を所定位置に係合保持するための溝56bが複数設けられている。 The inner surface 56a of the accommodation box 56, a groove 56b for engaging and holding each isolation member 53 in position is provided with a plurality.
【0039】 [0039]
この収容箱56は、単電池50が膨張した場合でも、溝56bに係合保持されている隔離部材53が移動しないので、隔離部材53に隣接する単電池50が押圧されるのを隔離部材53によって保護できる。 The housing box 56, even when the battery cells 50 is inflated, since the isolation member 53 does not move, which is engaged with and held by the groove 56b, isolating the battery cells 50 is pressed adjacent the separating member 53 member 53 It can be protected by.
【0040】 [0040]
(第3実施形態) (Third Embodiment)
以下に説明する第3実施形態は、本発明の電池に用いられる単電池の放熱効果を高めるために、隔離部材の形態について工夫を施したものである。 Third embodiments described below, in order to enhance the heat dissipation effect of the cells used in the battery of the present invention, in which devised the form of the isolation member.
上記の波状部材53c(図5参照)に代えて、図9に示すように、ハニカム構造体60を用いることができる。 Instead of the corrugated member 53c (see FIG. 5), as shown in FIG. 9, it is possible to use a honeycomb structure 60. このハニカム構造体60は、断面が略六角形の筒状体61が多数並べられて構成されている。 The honeycomb structure 60 is constituted by cross-section are arranged is substantially hexagonal cylindrical body 61 a number.
【0041】 [0041]
ここで、ハニカム構造体60は、図10に示すように、その孔が板状部材53a,53bに対して直交するように配置できる。 Here, the honeycomb structure 60, as shown in FIG. 10, can be arranged so that the hole is perpendicular to the plate-like member 53a, 53b.
【0042】 [0042]
また、図11に示すように、ハニカム構造体60の孔が板状部材53a,53bに対して平行となるように配置することもできる。 Further, as shown in FIG. 11, the hole of the honeycomb structure 60 can also be arranged parallel to the plate-like member 53a, 53b. なお、ハニカム構造体60を単体で隔離部材として用いることもできる。 It is also possible to use as an isolation member the honeycomb structure 60 by itself.
【0043】 [0043]
また、上記の板状部材53a,53bに代えて、図12(a)、(b)に示すように、多数の孔62a,62bを有する孔あき板状部材62を用いることができる。 Also, the plate-like member 53a, in place of 53b, as shown in FIG. 12 (a), (b), can be used perforated plate-like member 62 having a large number of holes 62a, a 62b. 孔62a,62bの径は任意であり、径が異なる複数種類の孔62a,62bを混在させてもよい。 Hole 62a, the diameter of 62b is arbitrary, plural kinds of apertures 62a which have different diameters, 62b may be mixed.
【0044】 [0044]
更に、上記の板状部材53a,53bに代えて、図13に示すように、メッシュ部材63を用いることができる。 Further, the plate-like member 53a, in place of 53b, as shown in FIG. 13, it is possible to use a mesh member 63.
【0045】 [0045]
このメッシュ部材63は、線材を網状に編むことによって形成できる。 The mesh member 63 may be formed by knitting the wire into the mesh. また、メッシュ部材63は、スクリーン印刷によっても形成できる。 Also, the mesh member 63 can be formed by screen printing. このスクリーン印刷では、周知のように薄い金属板に形成すべきメッシュ部分を除いてレジスト液を塗り、これを露光することによって、レジスト液を塗布した部分を抜き取り、メッシュ部分のみを残して、メッシュ状に形成する。 In this screen printing, coating a resist solution except the mesh portion to be formed in a thin metal plate as is well known, by exposing it, extracting the resist solution was applied portion, leaving only the mesh portion, the mesh Jo to form.
【0046】 [0046]
また、メッシュ部材63は、エキスパンド製法によって形成できる。 Also, the mesh member 63 may be formed by expanding process. エキスパンド製法では、金属板に多数のスリットを設け、この金属板をスリットと直交する方向に引っ張ることによってスリットを開いて、メッシュ状に形成する。 The expanding process, a large number of slits formed in the metal plate, to open the slit by pulling the metal plate in a direction perpendicular to the slit is formed in a mesh shape.
【0047】 [0047]
エキスパンド製法によって形成されたメッシュ部材63は、単電池50(図1参照)との接触が面ではなく線となりやすいので、放熱性が向上する。 Mesh member 63 formed by expanding method, the contact between the battery cells 50 (see FIG. 1) since tends to line rather than a surface, to improve the heat dissipation.
【0048】 [0048]
また、図14に示すように、上記のハニカム構造体60(図9参照)と、孔あき板状部材62(図12参照)とを組み合わせ、隔離部材66を構成できる。 Further, as shown in FIG. 14, a combination with the above honeycomb structure 60 (see FIG. 9), perforated plate member 62 (refer to FIG. 12) can be configured isolation member 66.
【0049】 [0049]
更に、図15に示すように、ハニカム構造体60と、メッシュ部材63(図13参照)とを組み合わせて、隔離部材67を構成できる。 Furthermore, as shown in FIG. 15, a honeycomb structure 60, by combining the mesh member 63 (see FIG. 13) can be configured isolation member 67.
【0050】 [0050]
(第4実施形態) (Fourth Embodiment)
以下に説明する第4実施形態は、本発明の電池に用いられる単電池の放熱効果を高めるために、単電池の形態について工夫を施したものである。 Fourth embodiments described below, in order to enhance the heat dissipation effect of the cells used in the battery of the present invention, in which devised the form of the unit cells.
上記のリード端子50b(図2参照)には、図16に示すように、その途中までスリット65を形成できる。 The above lead terminal 50b (see FIG. 2), as shown in FIG. 16, it is possible to form a slit 65 to the middle. このリード端子50bは、放熱性が向上する。 The lead terminal 50b, the improved heat dissipation.
【0051】 [0051]
また、図17に示すように、リード端子50bの先端までスリット65を形成することもできる。 Further, as shown in FIG. 17, it is also possible to form the slit 65 to the tip of the lead terminal 50b.
【0052】 [0052]
更に、図18に示すように、一方の極のリード端子50bを複数設けることもできる。 Furthermore, as shown in FIG. 18, it is also possible to provide a plurality of lead terminals 50b of one pole. この場合も、放熱性が向上する。 Again, to improve the heat dissipation.
【0053】 [0053]
また、図19に示すように、正極のリード端子50bと負極のリード端子50bとそれぞれ発電要素50aの対向する辺から取り出すことができる。 Further, as shown in FIG. 19, it can be extracted from opposite sides of the positive electrode lead terminal 50b and the negative electrode lead terminal 50b and the respective power generating element 50a.
【0054】 [0054]
この場合、図20(a)に示すように、正極のリード端子50bと負極のリード端子50bの取り出し位置を、互いに発電要素50aの反対側に設けることができる。 In this case, as shown in FIG. 20 (a), the take-out position of the positive electrode lead terminal 50b and the negative electrode lead terminal 50b, can be provided on the opposite side of the power generating element 50a to each other.
【0055】 [0055]
また、図20(b)に示すように、発電要素50aの同一側から、正極のリード端子50bおよび負極のリード端子50bを取り出すことができる。 Further, as shown in FIG. 20 (b), from the same side of the power generating element 50a, it is possible to take out the lead terminal 50b and the negative electrode lead terminal 50b of the positive electrode.
【0056】 [0056]
また、図21(a),(b)に示すように、正極のリード端子50bおよび負極のリード端子50bを、発電要素50aの断面における略対角線上に設けることができる。 Further, as shown in FIG. 21 (a), (b), the lead terminals 50b and the negative electrode lead terminal 50b of the positive electrode, may be provided substantially on a diagonal line in the cross section of the power generating element 50a.
【0057】 [0057]
このように、熱が発生しやすい正極および負極のリード端子50bの取り出し位置を互いに離反させるように配置することによって、単電池50の放熱性が向上する。 Thus, by placing the take-out position of the heat it is likely to occur the positive electrode and the negative electrode lead terminal 50b so as to separate from each other, the heat dissipation of the battery cells 50 can be improved.
【0058】 [0058]
(第5実施形態) (Fifth Embodiment)
上記の収容箱51(図1参照)は、図22に示すように、その上部開口51cを複数の長孔70aを有する蓋70で閉じることができる。 The above accommodation box 51 (see FIG. 1), as shown in FIG. 22, it is possible to close the upper opening 51c in the cover 70 having a plurality of long holes 70a. 本例では、長孔70aが蓋70の長辺と平行に形成されている。 In this example, the long hole 70a is formed in parallel with the long sides of the lid 70.
【0059】 [0059]
この蓋70を用いることによって、集電部材52,52付近からの放熱性が向上する。 By using this cover 70, thereby improving the heat radiation from the vicinity of the current collecting member 52, 52.
なお、蓋70の長孔70aは、図23に示すように、蓋70の短辺と平行に形成することもできる。 Incidentally, the long hole 70a of the lid 70, as shown in FIG. 23, may be formed parallel to the short side of the lid 70.
【0060】 [0060]
また、図24に示すように、集電部材52の幅Bを、取り出し端子52cから遠い方を小さく、近い方を大きく形成してもよい。 Further, as shown in FIG. 24, the width B of the current collecting member 52, reducing the farther from the take-out terminal 52c, it may be greater towards the close. これは、端子52cに近い部分では多数の単電池10からの電流が集中するのに対し、端子52cから遠い部分では次第に少数の単電池10からの電流しか流れないようになるので、集電部材52の大きな断面積が不要となることを考慮したものである。 This is a portion close to the terminal 52c Whereas concentrated current from a number of cells 10, since as only flows gradually small number of current from the cells 10 in the portion far from the terminal 52c, the current collecting member larger cross-sectional area of ​​52 is obtained by considering that unnecessary.
これにより、集電部材52の幅Bを同一とした場合(図3参照)に比べて、電池の重量エネルギー密度、および材料コストの点で優れている。 Thus, as compared with the case of the same width B of the current collecting member 52 (see FIG. 3), it is superior in terms of weight energy density, and material cost of the cell.
【0061】 [0061]
(第6実施形態) (Sixth Embodiment)
図25〜図29は、第6実施形態の隔離部材80〜85を示す。 25-29 show the isolation member 80-85 of the sixth embodiment. これらの隔離部材80〜85は、次に説明するように、通風孔80a〜85aを有している。 These isolation member 80-85, as described below, has a vent hole 80A~85a. これらの通風孔80a〜85aを空気が通過することによって、単電池50が冷却される。 By passing the air these ventilation holes 80A~85a, the battery cells 50 are cooled.
【0062】 [0062]
すなわち、図25の隔離部材80は、一枚の板状部材で形成され、その内部に並列配置された複数の通風孔80aが形成されている。 That is, the isolation member 80 in FIG. 25 are formed in one plate-like member, a plurality of ventilation holes 80a arranged in parallel therein are formed.
【0063】 [0063]
図26の隔離部材81は、内面が平坦な板状部材81bと、内面に突起81cを有する板状部材81dによって構成され、これらの板状部材81b,81d間の隙間に複数の突起81cによって画成された通風孔81aが形成されている。 Isolation member 81 in FIG. 26, the inner surface flat plate-like member 81b, is constituted by a plate-shaped member 81d having a projection 81c on the inner surface, the field by a plurality of projections 81c these plate-like members 81b, the gaps between 81d made a ventilation hole 81a is formed.
【0064】 [0064]
図27の隔離部材83は、内面に複数の突起83cが形成された一対の板状部材83bによって構成され、これらの板状部材83b間の隙間に突起83cによって画成された通風孔83aが形成されている。 Isolation member 83 in FIG. 27, is constituted by a pair of plate-like member 83b in which a plurality of protrusions 83c on the inner surface is formed, it vents 83a is formed which is defined by the protrusion 83c in the gaps between these plate-like members 83b It is.
【0065】 [0065]
図28の隔離部材84は、その両面に水平方向に延びる複数の溝84bを有している。 Isolation member 84 in FIG. 28 has a plurality of grooves 84b extending in the horizontal direction on both sides. そして、この隔離部材84の溝84bと単電池50との間に通風孔84aが形成される。 The ventilation holes 84a is formed between the groove 84b and the battery cells 50 of the isolation member 84.
【0066】 [0066]
図29の隔離部材85は、内面に円形の突起85bが形成された板状部材85cと、内面が平坦な板状部材85dとで構成されている。 Isolation member 85 in FIG. 29, a plate member 85c a circular protrusion 85b is formed on the inner surface, the inner surface is composed of a flat plate-like member 85d. そして、これらの板状部材85c,85dの間に突起85bの高さ分だけの隙間が形成され、この隙間が通風孔85aとして機能する。 Then, these plate-like members 85c, clearance by the height of the protrusion 85b between 85d is formed, the gap functions as a vent hole 85a.
【0067】 [0067]
なお、前述した各実施形態において例示した単電池を構成する軟質の外装体としては、高分子材料の他、アルミラミネートフィルムに代表される金属樹脂複合体等を用いることが望ましい。 As the exterior body of soft constituting the unit cell illustrated in the embodiments described above, other polymeric materials, it is preferable to use a metal-resin composite comprising such as aluminum laminate film.
また、本発明における単電池としては、リチウムイオン電池,リチウムポリマー電池,ニッケル水素電池,鉛電池等を含み、単電池の種類は不問である。 As the unit cell of the present invention includes a lithium ion battery, lithium polymer battery, a nickel hydride battery, a lead battery or the like, the kind of the cell it is unquestioned.
【0068】 [0068]
【発明の効果】 【Effect of the invention】
以上のように、本発明では、収容箱に形成された通風孔から他の物体が進入しても、隔離部材によって単電池が保護されるので、単電池の変形や破損を防止できる。 As described above, in the present invention, from which is formed in the accommodating box ventilation holes are other objects entrance, since the unit cells are protected by the isolating member, the deformation and breakage of the cell can be prevented. また、隔離部材の幅寸法または高さ寸法が、単電池の外装体の幅寸法または高さ寸法より大きいので、単電池を確実に保護できる(請求項1)。 Further, since the width or height dimension of the isolation member is larger than the width or height of the outer package of the unit cell, the unit cell can be reliably protected (claim 1).
【0069】 [0069]
また、収容箱の内面に各隔離部材を所定位置に係合保持するための溝を複数設けたので、単電池が膨張した場合でも隔離部材によって他の単電池が保護される(請求項2)。 Further, since each isolation member to the inner surface of the housing box provided with a plurality of grooves for engaging held in place, the other unit cells by isolating member even if the unit cell is expanded is protected (claim 2) .
【0070】 [0070]
また、各隔離部材の面方向に沿って通風可能な通風部を各隔離部材に設けたので、隔離部材に形成された通風部を通る空気によって、この隔離部材に隣接する単電池を冷却できる(請求項3)。 Further, since the ventilation possible ventilation part along the surface direction of the isolation member is provided on each isolation member, the air passing through the ventilation part that is formed on the isolation member can be cooled unit cells adjacent to the separating member ( claim 3).
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】本発明に係る第1実施形態を示す平断面図である。 1 is a sectional plan view showing a first embodiment according to the present invention.
【図2】本発明に係る第1実施形態を示す横断面図である。 2 is a cross-sectional view showing a first embodiment according to the present invention.
【図3】本発明に係る集電部材および単電池を示す分解斜視図である。 3 is an exploded perspective view of a current collecting member and the unit cells according to the present invention.
【図4】図4(a)は本発明に係る集電部材を示す分解斜視図、図4(b)はリード端子の巻き付け状態を示す斜視図である。 [4] FIG. 4 (a) is an exploded perspective view illustrating a current collecting member according to the present invention, FIG. 4 (b) is a perspective view showing a wound state of the lead terminals.
【図5】本発明に係る第1実施形態の隔離部材を示す図である。 5 is a diagram showing the isolation member of the first embodiment according to the present invention.
【図6】本発明に係る第1実施形態の隔離部材を示す斜視図である。 6 is a perspective view illustrating a separation member of the first embodiment according to the present invention.
【図7】本発明に係る第1実施形態の別の隔離部材を示す斜視図である。 7 is a perspective view showing another isolation member of the first embodiment according to the present invention.
【図8】本発明に係る第2実施形態の収容箱を示す図である。 8 is a diagram showing a container box of the second embodiment according to the present invention.
【図9】本発明に係る第3実施形態のハニカム構造体を示す斜視図である。 9 is a perspective view showing a honeycomb structure of the third embodiment according to the present invention.
【図10】本発明に係る第3実施形態の隔離部材を示す斜視図である。 10 is a perspective view illustrating a separation member of a third embodiment according to the present invention.
【図11】本発明に係る第3実施形態の別の隔離部材を示す斜視図である。 11 is a perspective view showing another isolation member of the third embodiment according to the present invention.
【図12】本発明に係る第3実施形態の孔あき板状部材を示す斜視図である。 12 is a perspective view showing an apertured plate member according to a third embodiment of the present invention.
【図13】本発明に係る第3実施形態のメッシュ状部材を示す斜視図である。 13 is a perspective view showing a mesh-like member of the third embodiment according to the present invention.
【図14】本発明に係る第3実施形態の別の隔離部材を示す斜視図である。 14 is a perspective view showing another isolation member of the third embodiment according to the present invention.
【図15】本発明に係る第3実施形態の別の隔離部材を示す斜視図である。 15 is a perspective view showing another isolation member of the third embodiment according to the present invention.
【図16】本発明に係る第4実施形態のリード端子を示す斜視図である。 16 is a perspective view showing a lead terminal of the fourth embodiment according to the present invention.
【図17】本発明に係る第4実施形態の別のリード端子を示す斜視図である。 17 is a perspective view showing another lead terminal according to a fourth embodiment of the present invention.
【図18】本発明に係る第4実施形態の単電池を示す斜視図である。 18 is a perspective view showing a unit cell of a fourth embodiment according to the present invention.
【図19】本発明に係る第4実施形態の別の単電池を示す斜視図である。 19 is a perspective view showing another unit cell according to a fourth embodiment of the present invention.
【図20】図20(a)は図19のA矢視図、図20(b)はリード端子の取り出し位置を変更した場合を示す図である。 [20] FIG. 20 (a) A arrow view of FIG. 19, FIG. 20 (b) is a diagram showing a case of changing the extraction position of the lead terminals.
【図21】図21(a)は本発明に係る第4実施形態の別の単電池を示す斜視図、図21(b)は図21(a)のB矢視図である。 [21] FIG. 21 (a) a perspective view showing another unit cell of a fourth embodiment according to the present invention, FIG. 21 (b) is a B arrow view of FIG. 21 (a).
【図22】本発明に係る第5実施形態の収容箱および蓋を示す斜視図である。 [Figure 22] containing box according to a fifth embodiment of the present invention and is a perspective view showing a lid.
【図23】本発明に係る第5実施形態の別の蓋を示す斜視図である。 23 is a perspective view showing another lid according to a fifth embodiment of the present invention.
【図24】本発明に係る第5実施形態の集電部材を示す斜視図である。 24 is a perspective view showing a current collecting member according to a fifth embodiment of the present invention.
【図25】本発明に係る第6実施形態の隔離部材を示す図である。 25 is a diagram showing the isolation member according to a sixth embodiment of the present invention.
【図26】本発明に係る第6実施形態の別の隔離部材を示す図である。 26 is a diagram showing another isolation member according to a sixth embodiment of the present invention.
【図27】本発明に係る第6実施形態の別の隔離部材を示す図である。 27 is a diagram showing another isolation member according to a sixth embodiment of the present invention.
【図28】本発明に係る第6実施形態の別の隔離部材を示す斜視図である。 28 is a perspective view showing another isolation member according to a sixth embodiment of the present invention.
【図29】本発明に係る第6実施形態の別の隔離部材を示す斜視図である。 29 is a perspective view showing another isolation member according to a sixth embodiment of the present invention.
【図30】従来の電池を示す分解斜視図である。 Figure 30 is an exploded perspective view of a conventional battery.
【図31】従来の電池を示す平面図である。 FIG. 31 is a plan view showing a conventional battery.
【図32】従来例を示す模式平面図である。 FIG. 32 is a schematic plan view showing a conventional example.
【図33】従来例を示す要部斜視図である。 33 is a partial perspective view showing a conventional example.
【図34】従来例を示す要部斜視図である。 FIG. 34 is a partial perspective view showing a conventional example.
【符号の説明】 DESCRIPTION OF SYMBOLS
1 電池5 電池10 単電池10a 発電要素10b 外装体10c リード端子11 収容箱14 通風孔15 ファン16 スペーサ17 電池18 溝19 電池50 単電池50a 発電要素50b リード端子50c 外装体51 収容箱51a 通風孔51b 側板51c 上部開口52 集電部材52a 接触部52b 連結部材52c 取り出し端子53 隔離部材53a 板状部材53b 板状部材53c 波状部材53d 孔54 通風孔56 収容箱56a 内側面56b 溝60 ハニカム構造体61 筒状体62 板状部材62a 孔62b 孔63 メッシュ部材65 スリット66 隔離部材67 隔離部材70 蓋70a 長孔80 隔離部材80a 通風孔81 隔離部材81a 通風孔81b 板状部材81c 突起81d 板状部材83 隔離部材83a 通風孔83b 板状部 1 battery 5 battery 10 unit cells 10a generating element 10b exterior body 10c lead terminal 11 accommodating box 14 ventilation holes 15 fan 16 spacer 17 cells 18 groove 19 battery 50 battery cells 50a power generating element 50b lead terminal 50c exterior body 51 housing box 51a vent hole 51b side plates 51c upper opening 52 collecting member 52a contact portion 52b connecting member 52c takeout lead terminal 53 isolating members 53a-shaped member 53b shaped member 53c corrugated member 53d holes 54 vent hole 56 accommodating box 56a inner surface 56b groove 60 honeycomb structural body 61 cylindrical body 62 plate-like member 62a hole 62b hole 63 mesh member 65 slit 66 separating member 67 separating member 70 lid 70a long hole 80 isolating member 80a vent hole 81 isolating member 81a ventilating hole 81b shaped member 81c projecting 81d plate-like member 83 isolating member 83a ventilating hole 83b plate part 材83c 突起84 隔離部材84a 通風孔84b 溝85 隔離部材85a 通風孔85b 突起85c 板状部材85c 板状部材85d 板状部材 Material 83c projection 84 isolating member 84a ventilating hole 84b groove 85 isolating member 85a ventilating hole 85b projecting 85c plate-like member 85c plate-like member 85d plate-like member

Claims (3)

  1. 一対の端子を有し、発電要素を軟質の外装体により被覆するとともに略扁平状に形成された複数の単電池と、 A plurality of unit cells formed in a substantially flat shape with a pair of terminals, the power generating element is covered with an exterior of soft,
    前記各単電池を扁平厚み方向に沿って所定間隔を空けて整列させた状態で収容する収容箱と、 A housing box for housing in a state aligned at predetermined intervals the respective cells along the flat thickness direction,
    前記各単電池間に配置されて前記各単電池を個別に隔離する板状の複数の隔離部材とを備える電池であって、 A battery comprising a plurality of isolation member plate to isolate individual said each cell are disposed between the respective unit cells,
    前記各隔離部材の幅寸法および高さ寸法のうちの少なくとも一方が、前記外装体の平面形状幅寸法および平面形状高さ寸法よりも大きいことを特徴とする電池。 Battery, at least one of, and greater than the planar shape width and the planar shape the height of the outer member of the width and height of each isolation member.
  2. 前記収容箱の内面に前記各隔離部材を所定位置に係合保持するための溝が複数設けられていることを特徴とする請求項1に記載した電池。 Cell of claim 1, wherein a groove for engaging and holding the respective isolation member to the inner surface of the container box in a predetermined position is provided with a plurality.
  3. 前記各隔離部材の面方向に沿って通風可能な通風部が前記各隔離部材に設けられていることを特徴とする請求項1に記載した電池。 Cell of claim 1, characterized in that ventilation can ventilation part along the surface direction of each of the isolation member is provided in each isolation member.
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US6762078B2 (en) 1999-05-20 2004-07-13 Amkor Technology, Inc. Semiconductor package having semiconductor chip within central aperture of substrate
US6803254B2 (en) 1999-12-20 2004-10-12 Amkor Technology, Inc. Wire bonding method for a semiconductor package
US6414396B1 (en) 2000-01-24 2002-07-02 Amkor Technology, Inc. Package for stacked integrated circuits
US6759737B2 (en) 2000-03-25 2004-07-06 Amkor Technology, Inc. Semiconductor package including stacked chips with aligned input/output pads
US6452278B1 (en) 2000-06-30 2002-09-17 Amkor Technology, Inc. Low profile package for plural semiconductor dies
US9768124B2 (en) 2007-02-21 2017-09-19 Amkor Technology, Inc. Semiconductor package in package

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