JP6930673B2 - 蓄電デバイス、電動自動車及び蓄電デバイスの製造方法 - Google Patents
蓄電デバイス、電動自動車及び蓄電デバイスの製造方法 Download PDFInfo
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Description
前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの樹脂袋により形成され、前記一次包装工程により前記蓄電素子を挿入した前記一次包装容器の周部を熱接着して封止し、
前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有し、前記二次包装工程により前記第1包装材及び前記第2包装材の周部が熱接着されることを特徴としている。
以下に図面を参照して本発明の実施形態を説明する。図1、図2は第1実施形態の電動自動車1の側面図及び上面図を示している。電動自動車1は車輪2を駆動する動力源として駆動モータ3を備えている。電動自動車1の車体のフロア下には駆動モータ3に電力を供給する駆動源として蓄電デバイス10が設置される。蓄電デバイス10を電動自動車1のルーフに設置してもよく、座席内に設置してもよい。
次に、図8は第2実施形態の蓄電デバイス10の正面断面図を示している。説明の便宜上、前述の図1〜図8に示す第1実施形態と同様の部分には同一の符号を付している。本実施形態は一次包装容器25及び二次包装容器13の形状が第1実施形態と異なっている。その他の部分は第1実施形態と同様である。
次に、図10、図11は第3実施形態の蓄電デバイス10の蓄電セル20を示す上面図及び側面断面図を示している。説明の便宜上、前述の図1〜図8に示す第1実施形態と同様の部分には同一の符号を付している。本実施形態は一次包装容器25の形状が第1実施形態と異なっている。その他の部分は第1実施形態と同様である。
2 車輪
3 駆動モータ
10 蓄電デバイス
11 第1包装材
11a、12a フランジ部
12 第2包装材
13 二次包装容器
13a シール部
14 収納部
15 接続端子
20 蓄電セル
21 蓄電素子
22 電極端子
25 一次包装容器
25a、25b シール部
25c マチ部
30、40 樹脂シート
31、41 熱接着性樹脂層
32、42 バリア層
33、43 保護層
42a 蒸着膜
Claims (14)
- 一次包装容器に蓄電素子を封入した面状の蓄電セルを複数段に積み重ね、二次包装容器により封止される蓄電デバイスにおいて、前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの周部を熱接着した樹脂袋により形成され、前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有するとともに、前記第1包装材及び前記第2包装材の周部が熱接着され、
前記蓄電セルを収納する収納部が前記第1包装材に凹設されて前記第2包装材に非形成であり、前記第2包装材の前記金属箔の厚みが前記第1包装材の前記金属箔の厚みよりも大きいことを特徴とする蓄電デバイス。 - 一次包装容器に蓄電素子を封入した面状の蓄電セルを複数段に積み重ね、二次包装容器により封止される蓄電デバイスにおいて、前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの周部を熱接着した樹脂袋により形成され、前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有するとともに、前記第1包装材及び前記第2包装材の周部が熱接着され、
前記蓄電セルを収納する収納部が前記第1包装材に凹設されて前記第2包装材に非形成であり、前記第1包装材の前記金属箔の厚みが前記第2包装材の前記金属箔の厚みよりも大きいことを特徴とする蓄電デバイス。 - 一次包装容器に蓄電素子を封入した面状の蓄電セルを複数段に積み重ね、二次包装容器により封止される蓄電デバイスにおいて、前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの周部を熱接着した樹脂袋により形成され、前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有するとともに、前記第1包装材及び前記第2包装材の周部が熱接着され、
前記二次包装容器は前記バリア層の外層に、ポリエチレンテレフタレートとナイロンとをドライラミネートした保護層を有することを特徴とする蓄電デバイス。 - 前記蓄電セルが平面視矩形状に形成され、前記一次包装容器の一方の対向する2辺の距離及び他方の対向する2辺の距離がそれぞれ500mm以上であることを特徴とする請求項1〜請求項3のいずれかに記載の蓄電デバイス。
- 前記蓄電セルの周方向の前記電極端子の幅が50mm以上であることを特徴とする請求項4に記載の蓄電デバイス。
- 前記電極端子の厚みが0.2mm以上であることを特徴とする請求項5に記載の蓄電デバイス。
- 前記第1包装材が前記蓄電セルの収納部を設けたシート成形品から成ることを特徴とする請求項1〜請求項6のいずれかに記載の蓄電デバイス。
- 前記第2包装材が前記収納部を設けたシート成形品から成ることを特徴とする請求項7に記載の蓄電デバイス。
- 前記蒸着膜が酸化物から成ることを特徴とする請求項1〜請求項8のいずれかに記載の蓄電デバイス。
- 前記金属箔がアルミニウムから成ることを特徴とする請求項1〜請求項9のいずれかに記載の蓄電デバイス。
- 請求項1〜請求項10のいずれかに記載の蓄電デバイスを備えたことを特徴とする電動自動車。
- 一次包装容器内に蓄電素子を封入して面状の蓄電セルを形成する一次包装工程と、二次包装容器に設けた収納部内に前記蓄電セルを複数段に積み重ねて封入する二次包装工程とを備えた蓄電デバイスの製造方法において、
前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの樹脂袋により形成され、前記一次包装工程により前記蓄電素子を挿入した前記一次包装容器の周部を熱接着して封止し、
前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有し、前記二次包装工程により前記第1包装材及び前記第2包装材の周部が熱接着され、
前記蓄電セルを収納する収納部が前記第1包装材に凹設されて前記第2包装材に非形成であり、前記第2包装材の前記金属箔の厚みが前記第1包装材の前記金属箔の厚みよりも大きいことを特徴とする蓄電デバイスの製造方法。 - 一次包装容器内に蓄電素子を封入して面状の蓄電セルを形成する一次包装工程と、二次包装容器に設けた収納部内に前記蓄電セルを複数段に積み重ねて封入する二次包装工程とを備えた蓄電デバイスの製造方法において、
前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの樹脂袋により形成され、前記一次包装工程により前記蓄電素子を挿入した前記一次包装容器の周部を熱接着して封止し、
前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有し、前記二次包装工程により前記第1包装材及び前記第2包装材の周部が熱接着され、
前記蓄電セルを収納する収納部が前記第1包装材に凹設されて前記第2包装材に非形成であり、前記第1包装材の前記金属箔の厚みが前記第2包装材の前記金属箔の厚みよりも大きいことを特徴とする蓄電デバイスの製造方法。 - 一次包装容器内に蓄電素子を封入して面状の蓄電セルを形成する一次包装工程と、二次包装容器に設けた収納部内に前記蓄電セルを複数段に積み重ねて封入する二次包装工程とを備えた蓄電デバイスの製造方法において、
前記蓄電セルが前記一次包装容器から突出する一対の電極端子を有し、前記一次包装容器が蒸着膜を有したバリア層と熱接着性樹脂層とを積層した樹脂シートの樹脂袋により形成され、前記一次包装工程により前記蓄電素子を挿入した前記一次包装容器の周部を熱接着して封止し、
前記二次包装容器が金属箔と熱接着性樹脂層とを積層した樹脂シートにより形成される第1包装材及び第2包装材を有し、前記二次包装工程により前記第1包装材及び前記第2包装材の周部が熱接着され、
前記二次包装容器は前記バリア層の外層に、ポリエチレンテレフタレートとナイロンとをドライラミネートした保護層を有することを特徴とする蓄電デバイスの製造方法。
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