JP2022008357A - 熱暴走の伝播防止と封じ込め機能を備えた静電容量低減電池サブモジュール - Google Patents
熱暴走の伝播防止と封じ込め機能を備えた静電容量低減電池サブモジュール Download PDFInfo
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Abstract
Description
融点: 3200°F(1760℃)
連続使用温度: 2300°F(1260℃)
構造: マット
密度: 12#/ft3(0.19g/cm3)
絶縁耐力: 100ボルト/ミル(3.93701MV/m)
誘電率: 1.61@108cps
損失係数: 0.017
比熱: 0.25BTU/#°F(1046.7J/kg℃)
熱伝導率:
BTU in/hr.°F ft.2
@500°F(260℃)=0.38(0.00551173W/mK)
@1000°F(538℃)=0.60(0.0870272W/mK)
@1500°F(816℃)=0.90(0.130541W/mK)
@2000°F(1093℃)=1.33(0.19291W/mK)
Claims (20)
- 開口部を備えた缶と、
前記缶に挿入された複数の層であって、
前記複数の層は、電池セルと、フィンを備えた熱伝導層とを備え、
前記フィンは、複数の独立した隣接するセクションを有し、各セクションは、前記フィンのそのセクションを前記缶の内面に向かって独立して押すようになっている独立したバネ力を有する、前記複数の層と、
前記缶の前記開口部を覆うように構成された蓋と
を備える、システム。 - 前記蓋は、タングのない凹型の電気コネクタを備える、請求項1に記載のシステム。
- 前記電池セルは、前記缶に挿入された複数の電池セルのうちの1つであり、
前記蓋は、
前記複数の電池セルの電圧を伝える電気コネクタと、
前記複数の電池セルの電圧を伝えることに関連する、前記蓋内の電気接続部であって、デュアルワイヤボンドおよびポッティングを含む前記電気接続部と
を含む、請求項1に記載のシステム。 - 前記フィンの前記複数の独立した隣接するセクションのうちの第1のセクションが第2のセクションに隣接し、
前記第1のセクションと前記第2のセクションとが前記缶の内面に物理的に接触するように、前記第1のセクションが前記第2のセクションとは独立して屈曲するか曲がるようになっている、請求項1に記載のシステム。 - 前記フィンの前記複数の独立した隣接するセクションの縁部が丸みを帯びている、請求項1に記載のシステム。
- 前記熱伝導層が、第1の側に沿って前記フィンを有し、前記第1の側とは反対側の第2の側に沿って、前記複数の独立した隣接するセクションを含む他のフィンを有する、請求項1に記載のシステム。
- 前記複数の独立した隣接するセクションは、前記電池セルに向かって前記フィンの下方に傾いているか、前記電池セルに向かって前記フィンの上方に傾いている、請求項1に記載のシステム。
- 前記缶の内面の少なくとも一部が陽極酸化されている、請求項1に記載のシステム。
- 開口部を備えた缶と、
前記缶に挿入された複数の層であって、
前記複数の層は、電池セルと、フィンを備えた熱伝導層とを備え、
圧縮性材料が、前記フィンと前記電池セルとの間に配置され、前記圧縮性材料は、前記缶の内面に向かって前記フィンを押すバネ力を提供する、前記複数の層と、
前記缶の前記開口部を覆うように構成された蓋と
を備える、システム。 - 前記複数の層は、断熱層をさらに備える、請求項9に記載のシステム。
- 前記電池セルはポーチセルを含み、
前記缶は、3~5PSI(0.0206843~0.0344738MPa)の範囲内の圧力を前記複数の層に加えるようになっている、請求項9に記載のシステム。 - 前記蓋は、凹んだ電気コネクタを備える、請求項9に記載のシステム。
- 前記熱伝導層が、第1の側に沿って前記フィンを有し、前記第1の側とは反対側の第2の側に沿って他のフィンを有し、前記圧縮性材料は、前記フィンと前記電池セルの第1の側との間に位置し、他の圧縮性材料が、前記フィンと前記電池セルの第2の側との間に位置する、請求項9に記載のシステム。
- 前記電池セルは、前記フィンおよび前記他のフィンを有する前記熱伝導層によって支えられている、請求項13に記載のシステム。
- 前記圧縮性材料は、シリコーンフォームからなる圧縮性コードである、請求項9に記載のシステム。
- 前記缶の内面の少なくとも一部が陽極酸化されている、請求項9に記載のシステム。
- 前記圧縮性材料は、前記フィンと前記電池セルとの間に延在する複数の圧縮性材料セグメントを含む、請求項9に記載のシステム。
- 前記複数の圧縮性材料セグメントは球状又は円筒形状である、請求項17に記載のシステム。
- 接着剤が、前記熱伝導層と前記フィンとの間、または前記電池セルと前記熱伝導層との間に提供される、請求項9に記載のシステム。
- 前記熱伝導層は、前記電池セルから前記フィンを通って前記缶まで熱を伝達するようになっている、請求項9に記載のシステム。
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PCT/US2019/036936 WO2019245842A1 (en) | 2018-06-22 | 2019-06-13 | Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features |
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