JP2018519621A5 - - Google Patents

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JP2018519621A5
JP2018519621A5 JP2017559509A JP2017559509A JP2018519621A5 JP 2018519621 A5 JP2018519621 A5 JP 2018519621A5 JP 2017559509 A JP2017559509 A JP 2017559509A JP 2017559509 A JP2017559509 A JP 2017559509A JP 2018519621 A5 JP2018519621 A5 JP 2018519621A5
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electrode material
filaments
electrically active
active electrode
mat
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JP2017559509A
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JP6968702B2 (ja
JP2018519621A (ja
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Priority claimed from PCT/US2016/032751 external-priority patent/WO2016187143A1/en
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Claims (12)

  1. リチウムイオンセルで用いる電気的活性電極物質であって、前記電気的活性電極物質は、タンタル、ニオブ、タンタルの合金、ニオブの合金、ハフニウム、チタンおよびアルミニウムからなる群から選択され、断面が約10ミクロン以下のバルブ金属のフィラメントで形成され、該フィラメントは互いに接着され、それにより、互いに接したランダムの方向性を有するフィラメントで形成された安定した多孔性のマットが形成され、該マットのフィラメントは、電気化学的活性物質でコーティングしたバルブ金属材料製のシートまたはマットを備える、電気的活性電極物質。
  2. 前記フィラメントは、約5−10ミクロン未満の厚さ、好ましくは約1ミクロン未満の厚さを有する、請求項1に記載の電気的活性電極物質。
  3. 前記電気化学的活性物質はシリコンナノ粒子を含む、請求項1または請求項2に記載の電気的活性電極物質。
  4. 前記電極物質はアノードに形成される、請求項1乃至3のいずれかに記載の電気的活性電極物質。
  5. リチウムイオン電池の形成に役立つ電極基板の形成方法であって:
    (a)延性物質のビレット内にタンタル、ニオブ、タンタルの合金、ニオブの合金、ハフニウム、チタンおよびアルミニウムからなる群から選択されたバルブ金属の多数の構成要素を確立するステップと;
    (b)ビレットを、一連の縮小ステップにかけて前記バルブ金属構成要素を細長い要素に形成するステップと;
    (c)ステップ(b)由来の細長い要素を、約10ミクロン以下のフィラメントに切断して、要素から延性物質を浸出させるステップと;
    (d)ステップ(c)由来の切断された要素を水で洗浄して、フィラメントが均一に分散したスラリーを形成するステップと;
    (e)ステップ(d)由来の切断された要素を、キャスティングによって安定したマットに整形するステップと;
    (f)ステップ(e)由来のマットを電気化学的活性物質でコーティングするステップと、
    を含む方法。
  6. 前記フィラメントは、約5−10ミクロン未満の厚さ、好ましくは約1ミクロン未満の厚さを有する、請求項5に記載の電気的活性電極物質。
  7. 前記電気化学的活性物質はシリコンナノ粒子を含む、請求項5または請求項6に記載の電気的活性電極物質。
  8. アノードに形成される請求項5乃至7のいずれかに記載の電気的活性電極物質。
  9. 互いから隔離されたアノードおよびカソードと電解質を収容するケースを備え、前記アノードが請求項1に記載の電気的活性電極物質で形成されている、リチウムイオン電池。
  10. 前記フィラメントは、約5−10ミクロン未満の厚さ、好ましくは約1ミクロン未満の厚さを有する、請求項9に記載のセル。
  11. 前記電気化学的活性物質は、シリコンナノ粒子を含む、請求項9または請求項10に記載のセル。
  12. 前記電気化学的活性物質は、ゲルマニウムまたは錫を含む請求項9乃至11のいずれかに記載のセル。
JP2017559509A 2015-05-15 2016-05-16 改良型高容量再充電可能電池用電極 Active JP6968702B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562162064P 2015-05-15 2015-05-15
US62/162,064 2015-05-15
PCT/US2016/032751 WO2016187143A1 (en) 2015-05-15 2016-05-16 Improved high capacity rechargeable batteries

Publications (3)

Publication Number Publication Date
JP2018519621A JP2018519621A (ja) 2018-07-19
JP2018519621A5 true JP2018519621A5 (ja) 2019-06-06
JP6968702B2 JP6968702B2 (ja) 2021-11-17

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JP2017559509A Active JP6968702B2 (ja) 2015-05-15 2016-05-16 改良型高容量再充電可能電池用電極

Country Status (5)

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US (1) US10403902B2 (ja)
EP (1) EP3295501B1 (ja)
JP (1) JP6968702B2 (ja)
CN (1) CN107710474B (ja)
WO (1) WO2016187143A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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KR20190077321A (ko) 2016-09-01 2019-07-03 컴포짓 매터리얼스 테크놀로지, 아이엔씨. LIB 애노드용 밸브 금속 기판상의 나노-스케일/나노 구조화된 Si 코팅

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