JP6131502B2 - 冷媒流路を含む電池モジュールアセンブリ - Google Patents
冷媒流路を含む電池モジュールアセンブリ Download PDFInfo
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- 239000003507 refrigerant Substances 0.000 title claims description 87
- 238000000926 separation method Methods 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 25
- 230000000694 effects Effects 0.000 description 14
- 230000007423 decrease Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000011255 nonaqueous electrolyte Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910003002 lithium salt Inorganic materials 0.000 description 4
- 159000000002 lithium salts Chemical class 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Description
単位セルがバスバーによって電気的に接続された状態でカートリッジに搭載されている単位モジュールを含んでいる電池モジュールアセンブリであって、
積層界面に冷媒流路が形成されるように地面から垂直方向に積層された2つ以上の単位モジュールを含んでおり、冷媒流路を提供できるように互いに離隔した状態で側面方向に配列されている2つ以上のサブモジュール(sub−modules)と、
前記サブモジュールを内部に収納して固定し、冷媒が内部に流入する冷媒流入口及び冷媒が外部に排出される冷媒排出口が形成されているモジュールケース(module case)と、
を含んでおり、
前記冷媒流路は、その垂直断面積が冷媒排出口側へ減少する構造となっている。
11 電池パック
12 冷媒流入部
13 冷媒排出部
14 電池群
15 単位電池
20 電池セル
21、110a 正極端子
22、110b 負極端子
23 パウチ型ケース
24 シーリング部
110 単位セル
111 上部セルカバー
112 下部セルカバー
120a カートリッジ、第2装着部
120b カートリッジ、第1装着部
200 サブモジュール
210 接続部
300 側面部
410 上部カバープレート
420 下部ベースプレート
520 冷媒排出口
530 送風機
600 電池モジュールアセンブリ
Claims (16)
- 単位セルがバスバーによって電気的に接続された状態でカートリッジに搭載されている単位モジュールを含んでいる電池モジュールアセンブリであって、
積層界面に冷媒流路が形成されるように地面から垂直方向に積層された2つ以上の単位モジュールを含んでおり、冷媒流路を提供できるように互いに離隔した状態で側面方向に配列されている2つ以上のサブモジュールと、
前記サブモジュールを内部に収納して固定し、冷媒が内部に流入する冷媒流入口及び冷媒が外部に排出される冷媒排出口が形成されているモジュールケースと、
を含んでおり、
前記冷媒流路は、その垂直断面積が冷媒排出口側へ減少する構造からなり、
前記冷媒流路は、前記サブモジュールを通過した冷媒を前記冷媒排出口へ送るための通路であり、
前記冷媒流路を基準として冷媒排出口に垂直な位置においてモジュールケース上に2つ以上の冷媒流入口が形成されていることを特徴とする、電池モジュールアセンブリ。 - 前記単位セルは、板状型電池セルであるか、又は電極端子が露出した状態で2つ以上の板状型電池セルがセルカバーに装着されている電池セルアセンブリであることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記電池セルは、角形二次電池又はパウチ型二次電池であることを特徴とする、請求項2に記載の電池モジュールアセンブリ。
- 前記パウチ型二次電池は、樹脂層と金属層を含むラミネートシートに電極組立体が密封されている構造からなることを特徴とする、請求項3に記載の電池モジュールアセンブリ。
- 前記セルカバーは、電極端子部位を除いて電池セルの外面を包むように互いに結合される一対の外装部材であることを特徴とする、請求項2に記載の電池モジュールアセンブリ。
- 前記単位モジュールにおける単位セルは並列接続されていることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記単位セルは、電極端子が対面するようにカートリッジ上に装着されており、前記カートリッジに装着されているバスバーによって電極端子が並列に接続されていることを特徴とする、請求項5に記載の電池モジュールアセンブリ。
- それぞれのカートリッジには、電極端子が互いに対面しながら2つの単位セルが装着されており、前記カートリッジは、相対的に冷媒排出口に近い第1単位セルが装着される第1装着部、相対的に冷媒排出口から離れている第2単位セルが装着される第2装着部、及び前記第1装着部と第2装着部との間に位置し、バスバーが装着されている接続部を含んでいることを特徴とする、請求項7に記載の電池モジュールアセンブリ。
- 互いに異なるサブアセンブリ上に位置するカートリッジにおいて、第1装着部間の離隔距離は、第2装着部間の離隔距離よりも小さいことを特徴とする、請求項8に記載の電池モジュールアセンブリ。
- 前記カートリッジの両側面には、締結溝を備えた突出部が形成されており、前記締結溝を貫通する締結部材によってカートリッジが互いに結合されてサブモジュールを形成していることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記サブモジュールにおける単位モジュールは直列接続されていることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記バスバーは、電極端子が結合されている面の一側端部が上向き又は下向きに折れ曲がっており、前記折れ曲がった一側端部と直列接続部材が結合されて、隣接する単位モジュールと直列接続をなしていることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記冷媒流入口は、冷媒流路を基準としてモジュールケースの対向部位に対称的に形成されていることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 前記電池モジュールアセンブリの冷媒排出口の位置に送風機又は排出ダクトが装着されることを特徴とする、請求項1に記載の電池モジュールアセンブリ。
- 請求項1に記載の電池モジュールアセンブリを電源として含むことを特徴とする、デバイス。
- 前記デバイスは、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、電力貯蔵装置、非常用電源装置、電算室電源装置、携帯用電源装置、医療設備電源装置、消火設備電源装置、警報設備電源装置、又は避難設備電源装置であることを特徴とする、請求項15に記載のデバイス。
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