JP2014519180A - 新規な空冷式構造の電池パック - Google Patents
新規な空冷式構造の電池パック Download PDFInfo
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- 239000003507 refrigerant Substances 0.000 claims abstract description 180
- 238000000926 separation method Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 15
- 239000010410 layer Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel hydrogen Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
【選択図】図2
Description
複数の前記単位セルが一つの電池モジュールを構成し;
2つ以上の前記電池モジュールが冷媒流入口の冷媒流入方向から電池パックの高さ方向(縦方向)に上下配列されて一対の電池モジュール群を構成し;
冷媒流入口から電池モジュール群に至る流動空間(「冷媒流入部」)は、それぞれの電池モジュール群の間に位置した状態でパックケースの中央に形成されており;
それぞれの電池モジュール群から冷媒排出口に至る流動空間(「冷媒排出部」)は、パックケースの上部と下部にそれぞれ形成されており;
前記冷媒流入部と冷媒排出部間の冷媒流路は、冷媒流入部を通って流入した冷媒がそれぞれの単位セルを通過して冷却した後、それぞれの冷媒排出部から排出される構造となっている。
Claims (26)
- 充放電が可能な電池セル又は単位モジュール(「単位セル」)を有している電池パックであって、複数の前記単位セルが一つの電池モジュールを構成し;
2つ以上の前記電池モジュールが冷媒流入口の冷媒流入方向から電池パックの高さ方向(縦方向)に上下配列されて一対の電池モジュール群を構成し;
冷媒流入口から電池モジュール群に至る流動空間(「冷媒流入部」)は、それぞれの電池モジュール群の間に位置した状態でパックケースの中央に形成されており;
それぞれの電池モジュール群から冷媒排出口に至る流動空間(「冷媒排出部」)は、パックケースの上部と下部にそれぞれ形成されており;
前記冷媒流入部と冷媒排出部間の冷媒流路は、冷媒流入部を通って流入した冷媒がそれぞれの単位セルを通過して冷却した後、それぞれの冷媒排出部から排出される構造となっていることを特徴とする、電池パック。 - 前記それぞれの電池モジュール群は、電池パックの幅方向に隣接して側面配列された一つ以上の電池モジュールをさらに有していることを特徴とする、請求項1に記載の電池パック。
- 前記電池モジュール群の上面及び下面とパックケースの上面及び下面との間は、冷媒流路が形成されるように所定の幅で離隔していることを特徴とする、請求項1に記載の電池パック。
- 前記離隔幅は、電池モジュールの高さの5〜50%の大きさを有することを特徴とする、請求項3に記載の電池パック。
- 前記冷媒流入部の高さは、冷媒排出部の高さの20〜90%の大きさを有することを特徴とする、請求項1に記載の電池パック。
- 前記パックケース内部の冷媒流路は全体として一対のU字状の冷媒流路を形成することを特徴とする、請求項1に記載の電池パック。
- 前記冷媒流入口及び/又は冷媒排出口には、冷媒の流動駆動力を提供できるように駆動ファンがさらに装着されていることを特徴とする、請求項1に記載の電池パック。
- 前記冷媒流入口は、冷却された低温の空気を流入可能なように車両のエアコンシステムに連結されていることを特徴とする、請求項1に記載の電池パック。
- 前記電池パックは、高さが幅の2倍以上である構造になっていることを特徴とする、請求項1に記載の電池パック。
- 前記冷媒流入口と冷媒排出口は、パックケースの同一面又は対向面に位置していることを特徴とする、請求項1に記載の電池パック。
- 前記電池パックは、冷媒流入部を基準にして上下対称の構造となっていることを特徴とする、請求項1に記載の電池パック。
- パックケースの上面及び/又は下面が2つ又はそれ以上の連続した傾斜面を有することを特徴とする、請求項1に記載の電池パック。
- 前記冷媒流入部を中心にして上部と下部にそれぞれ電池モジュール群(上部電池モジュール群、下部電池モジュール群)が配列されており、冷媒が上部電池モジュール群と下部電池モジュール群にそれぞれ流入するように、冷媒流路が冷媒流入部から電池パックの幅方向に分岐していることを特徴とする、請求項1に記載の電池パック。
- 前記冷媒流入部には、電池モジュール群との距離が冷媒流入口の対向端部に向かうほど減少する構造の分岐部材が装着されていることを特徴とする、請求項13に記載の電池パック。
- 前記分岐部材は、パックケースの上部に形成された冷媒排出部の高さと下部に形成された下部冷媒排出部の高さとの比に対応して反比例関係で冷媒流入口において電池モジュール群との距離が調節されることを特徴とする、請求項14に記載の電池パック。
- 前記分岐部材は、電池モジュール群に対面する部位が2つ又はそれ以上の連続した傾斜面を有していることを特徴とする、請求項15に記載の電池パック。
- 前記分岐部材は、冷媒流入口の対向端部に対応する表面に凹凸が形成されていることを特徴とする、請求項15に記載の電池パック。
- 前記電池モジュールは、冷媒流路が連通した状態で連続して上下配列されていることを特徴とする、請求項1に記載の電池パック。
- 前記電池モジュールは、8〜24個の単位セルで構成されていることを特徴とする、請求項1に記載の電池パック。
- 前記単位セルは、単位セルの厚さの5〜50%の大きさで離隔していることを特徴とする、請求項1に記載の電池パック。
- 前記単位モジュールは、電極端子が直列に相互連結されている2つ以上の電池セル、及び前記電極端子部位を除いて前記電池セルの外面を取り囲むように相互結合される一対のセルカバーを備えていることを特徴とする、請求項1に記載の電池パック。
- 前記電池セルは、樹脂層と金属層を有するパウチ形ケースに電極組立体が内蔵された構造となっていることを特徴とする、請求項1に記載の電池パック。
- 前記電池セルはリチウム二次電池であることを特徴とする、請求項1に記載の電池パック。
- 前記冷媒は空気であることを特徴とする、請求項1に記載の電池パック。
- 前記単位セルは、冷媒流動のための離隔距離をもって電池パックの幅方向(横方向)に直立配列されて一つの電池モジュールを構成することを特徴とする、請求項1に記載の電池パック。
- 請求項1乃至25のいずれかに記載の電池パックを電源として使用することを特徴とする、電気自動車、ハイブリッド電気自動車、プラグ−インハイブリッド電気自動車、又は電力貯蔵装置。
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EP2725652A4 (en) | 2014-11-19 |
EP2725652A2 (en) | 2014-04-30 |
US20140072856A1 (en) | 2014-03-13 |
WO2012177000A2 (ko) | 2012-12-27 |
CN103597653A (zh) | 2014-02-19 |
WO2012177000A3 (ko) | 2013-04-04 |
JP5843411B2 (ja) | 2016-01-13 |
US10434881B2 (en) | 2019-10-08 |
EP2725652B1 (en) | 2019-10-09 |
KR20120140607A (ko) | 2012-12-31 |
KR101400079B1 (ko) | 2014-06-02 |
CN103597653B (zh) | 2016-09-07 |
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