JP2019537210A - 電力機器を始動するためのバッテリーモジュール - Google Patents
電力機器を始動するためのバッテリーモジュール Download PDFInfo
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Abstract
Description
外側ハウジングと、
前記外側ハウジングに封入された複数の相互接続されたリチウムイオンバッテリーセルと、
各リチウムイオンバッテリーセルの充電電圧および/または放電電圧を調整するために各リチウムイオンバッテリーセルに結合された電圧調整装置とを備え、
前記バッテリーモジュールは、約5秒間のパルス放電期間に渡り25℃で測定された最大パルス放電電流の15%以上の−30℃で測定された最大パルス放電電流を有する。
用語「電極」は、「カソード」または「アノード」をいう。
例
例1
A)正極の作製
B)負極の作製
C)電極アセンブリの組立て
D)パウチ型バッテリーの組立て
E)バッテリーモジュールの組立て
F)電極アセンブリの含水量の測定
例2
電気化学的測定
I)公称容量
II)室温での充電能力
III)室温での放電能力
IV)低温放電能力
V)高温および室温で保存後の容量の減衰
例3
A)正極の作製
B)負極の作製
C)電極アセンブリの組立て
D)パウチ型バッテリーの組立て
E)バッテリーモジュールの組立て
例4
電気化学的測定
I)公称容量
II)室温での充電能力
III)室温での放電能力
IV)低温放電能力
V)高温および室温で保存後の容量の減衰
例5
A)カソード物質の作製
B)正極の作製
C)負極の作製
D)電極アセンブリの組立て
E)パウチ型バッテリーの組立て
F)バッテリーモジュールの組立て
例6
電気化学的測定
I)公称容量
II)室温での充電能力
III)室温での放電能力
IV)低温放電能力
V)高温および室温で保存後の容量の減衰
例7
A)コア−シェルカソード物質の作製
B)正極の作製
C)負極の作製
D)電極アセンブリの組立て
E)パウチ型バッテリーの組立て
F)バッテリーモジュールの組立て
例8
電気化学的測定
I)公称容量
II)室温での充電能力
III)室温での放電能力
IV)低温放電能力
V)高温および室温で保存後の容量の減衰
例9
例10
A)カソード物質の作製
B)正極の作製
例11
A)カソード物質の作製
B)正極の作製
例12
A)カソード物質の作製
B)正極の作製
例13
A)カソード物質の作製
B)正極の作製
例14
A)負極の作製
B)正極の作製
例9−13の負極の作製
例9−14の電極アセンブリの組立て
例9−14のパウチ型バッテリーの組立て
例9−14のバッテリーモジュールの組立て
例2−14の電極アセンブリの含水量の測定
比較例1
A)負極の作製
B)電極アセンブリとバッテリーモジュールの組立て
比較例2
比較例3
比較例4
比較例5
比較例6
比較例7
比較例5−7の正極の作製
比較例1−7の負極の作製
比較例2,4−6の電極アセンブリの組立て
比較例1−5,7のパウチ型バッテリーの組立て
比較例2−7のバッテリーモジュールの組立て
比較例1−7の電極アセンブリの含水量の測定
例9−14と比較例1−7のリチウムイオンバッテリーセルの電気化学的測定
。
Claims (20)
- バッテリーモジュールであって、
外側ハウジングと、
前記外側ハウジングに封入された複数の相互接続されたリチウムイオンバッテリーセルと、
各リチウムイオンバッテリーセルの充電電圧および/または放電電圧を調整するために各リチウムイオンバッテリーセルに結合された電圧調整装置とを備え、
前記バッテリーモジュールは、約5秒間のパルス放電期間に渡り25℃で測定された最大パルス放電電流の15%以上の−30℃で測定された最大パルス放電電流を有する。 - 前記リチウムイオンバッテリーセルは、電極アセンブリおよび電解質を備え、前記電極アセンブリは、少なくとも1つのアノード、少なくとも1つのカソード、および、前記少なくとも1つのアノードと前記少なくとも1つのカソードとの間に挿入された少なくとも1つのセパレータを備え、前記少なくとも1つのアノードは、アノード集電体と、アノード物質、バインダー材料および導電剤を備えるアノード電極層とを備え、前記少なくとも1つのカソードは、カソード集電体と、カソード物質、バインダー材料および導電剤を備えるカソード電極層とを備える、
請求項1に記載のバッテリーモジュール。 - 前記カソード物質は、LiCoO2、LiNiO2、LiNixMnyO2、Li1+zNixMnyCo1-x-yO2、LiNixCoyAlzO2、LiV2O5、LiTiS2、LiMoS2、LiMnO2、LiCrO2、LiMn2O4、これらの複合材料、および、これらの組合せからなるグループから選択され、各xは独立して0.3から0.8あり、各yは独立して0から0.45であり、各zは独立して0から0.2である、
請求項2に記載のバッテリーモジュール。 - 前記カソード物質は、0.5以上のLi/Mn比を有するスピネルリチウムマンガン酸化物である、
請求項2に記載のバッテリーモジュール。 - 前記カソード物質は、Fe、Ni、Mn、Co、Al、Mg、Zn、Ti、La、Ce、Sn、Zr、Ru、Si、Ge、および、これらの組合せからなるグループから選択されるドーピング元素を含むドープされたカソード物質である、
請求項2に記載のバッテリーモジュール。 - 前記ドーピング元素は、前記ドープされたカソード物質の総重量を基準にして、約0.5重量%から約5重量%の量で存在する、
請求項5に記載のバッテリーモジュール。 - 前記カソード物質は、コアとシェルを備えるコア−シェル構造を有し、前記コアおよび前記シェルはそれぞれ、LiCoO2、LiNiO2、LiNixMnyO2、Li1+zNixMnyCo1-x-yO2、LiNixCoyAlzO2、LiV2O5、LiTiS2、LiMoS2、LiMnO2、LiCrO2、LiMn2O4、これらの複合材料、および、これらの組合せからなるグループから独立して選択され、各xは独立して0.3から0.8であり、各yは独立して0から0.45であり、各zは独立して0から0.2である、
請求項2に記載のバッテリーモジュール。 - 前記シェルの厚さに対する前記コアの直径の比は、約10から約25である、
請求項7に記載のバッテリーモジュール。 - 前記コア−シェル構造の前記コアは、Fe、Ni、Mn、Co、Al、Mg、Zn、Ti、La、Ce、Sn、Zr、Ru、Si、Ge、および、これらの組合せからなるグループから選択されるドーピング元素を含むドープされたカソード物質である、
請求項7に記載のバッテリーモジュール。 - 前記カソード物質の粒度D50は、約10μmから約50μmである、
請求項2に記載のバッテリーモジュール。 - 前記アノード物質は、グラファイト、天然グラファイト粒子、合成グラファイト粒子、ハードカーボン、メソフェーズカーボン、Sn粒子、Li4Ti5O12粒子、Si粒子、Si-C複合粒子、および、これらの組合せからなるグループから選択される、
請求項2に記載のバッテリーモジュール。 - 前記カソード層および前記アノード層のそれぞれの導電剤は、前記カソード層または前記アノード層の総重量を基準にして、独立して約4重量%から約10重量%の量で存在する、
請求項2に記載のバッテリーモジュール。 - 前記カソード電極層および前記アノード電極層のそれぞれの密度は、独立して約1.0g/cm3から約6.5g/cm3である、
請求項2に記載のバッテリーモジュール。 - 前記カソード電極層および前記アノード電極層のそれぞれの厚さは、独立して約1.0μmから約25μmである、
請求項2に記載のバッテリーモジュール。 - 前記少なくとも1つのカソードは、極性有機溶媒を含まず、前記極性有機溶媒は、メチルプロピルケトン、メチルイソブチルケトン、エチルプロピルケトン、ジイソブチルケトン、アセトフェノン、N−メチル−2−ピロリドン、アセトン、テトラヒドロフラン、ジメチルホルムアミド、アセトニトリル、ジメチルスルホキシド、および、これらの組合せからなるグループから選択される、
請求項2に記載のバッテリーモジュール。 - 前記電極アセンブリの含水量は、前記電極アセンブリの総重量を基準にして、20ppm未満の重量比率である、
請求項2に記載のバッテリーモジュール。 - 前記電解質は、ビニレンカーボネート、ジエチルスチルベストロール、ブタンスルトン、ジメチルスルフィド、および、これらの組合せからなるグループから選択される添加物を含む、
請求項2に記載のバッテリーモジュール。 - 前記添加物は、前記電解質の総重量または総体積を基準にして、約0.5%から約5%の重量比率または体積比率の量で存在する、
請求項17に記載のバッテリーモジュール。 - 各前記リチウムイオンバッテリーセルは、前記カソードに結合された第1の導電性タブと前記アノードに結合された第2の導電性タブとを独立して備え、前記第1の導電性タブおよび前記第2の導電性タブのそれぞれの幅は、独立して2cmより大きい、
請求項2に記載のバッテリーモジュール。 - 各リチウムイオンバッテリーセルに接続された温度センサーを備えるセーフティモジュールをさらに備える、
請求項1に記載のバッテリーモジュール。
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