JP7128260B2 - 固体リチウムベース電池および固体リチウムベース電池を形成する方法 - Google Patents
固体リチウムベース電池および固体リチウムベース電池を形成する方法 Download PDFInfo
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Description
Claims (20)
- 固体リチウムベース電池であって、
底部電極と、
前記底部電極の表面上に配置される電池材料スタックであって、前記電池材料スタックは、リチウム化カソード材料層、前記リチウム化カソード材料層上に配置される高窒素リチウム化カソード材料表面層、前記高窒素リチウム化カソード材料表面層上に配置されるリチウムベース固体電解質層を含む、電池材料スタックと、
前記電池材料スタックの前記リチウムベース固体電解質層上に配置される、頂部電極と、
を備える、固体リチウムベース電池。 - 前記リチウムベース固体電解質層と前記頂部電極との間に配置されるアノード材料をさらに備える、請求項1に記載の固体リチウムベース電池。
- 前記アノード材料と前記リチウムベース固体電解質層との間に配置されるリチウム化高窒素界面層をさらに備える、請求項2に記載の固体リチウムベース電池。
- 前記底部電極の物理的に露出された表面上、および前記電池材料スタックの周囲に配置される、空気または湿気あるいはその両方の不浸透性構造をさらに備える、請求項1に記載の固体リチウムベース電池。
- 前記リチウム化カソード材料層、前記高窒素リチウム化カソード材料表面層、および前記リチウムベース固体電解質層は、互いに垂直に位置合わせされた側壁表面を有する、請求項1に記載の固体リチウムベース電池。
- 前記頂部電極は、前記リチウム化カソード材料層、前記高窒素リチウム化カソード材料表面層、および前記リチウムベース固体電解質層の、側壁表面に垂直に位置合わせされた
側壁表面を有する、請求項5に記載の固体リチウムベース電池。 - 前記高窒素リチウム化カソード材料表面層は、前記リチウム化カソード材料層と同じ材料からなる、請求項1に記載の固体リチウムベース電池。
- 前記高窒素リチウム化カソード材料表面層は、0.1原子百分率から25原子百分率の窒素含有量を含む、請求項7に記載の固体リチウムベース電池。
- 前記高窒素リチウム化カソード材料表面層および前記リチウム化カソード材料層は、どちらもLiCoO2からなり、前記リチウムベース固体電解質層はLiPONからなる、請求項7に記載の固体リチウムベース電池。
- 前記底部電極はチタン(Ti)、プラチナ(Pt)、およびチタンのスタックからなり、前記頂部電極はニッケル(Ni)および銅(Cu)のスタックからなる、請求項8に記載の固体リチウムベース電池。
- 固体リチウムベース電池を形成する方法であって、
底部電極の表面上にパターン化された犠牲材料を形成することであって、前記パターン化された犠牲材料は、前記底部電極の前記表面の一部を物理的に露出する開口を含む、パターン化された犠牲材料を形成すること、
前記パターン化された犠牲材料上、および前記開口内の前記底部電極の前記表面の前記物理的に露出された部分上に、リチウム化カソード材料層を形成することであって、前記リチウム化カソード材料層は高窒素リチウム化カソード材料表面層を含む、リチウム化カソード材料層を形成すること、
前記高窒素リチウム化カソード材料表面層上にリチウムベース固体電解質層を形成すること、
前記リチウムベース固体電解質層上に頂部電極を形成すること、および、
前記底部電極の前記表面の前記物理的に露出された部分上に電池材料スタックを維持しながら、前記パターン化された犠牲材料および前記パターン化された犠牲材料上に形成された材料を前記底部電極から除去するために、リフトオフ・プロセスを実行することであって、前記スタックは、前記リチウム化カソード材料層、前記高窒素リチウム化カソード材料表面層、前記リチウムベース固体電解質層、および前記頂部電極の、各々の残余部分を含む、リフトオフ・プロセスを実行すること、
を含む、固体リチウムベース電池を形成する方法。 - 前記固体リチウムベース電池を充電することまたは再充電することをさらに含み、前記充電または再充電の間、前記リチウムベース固体電解質層と前記頂部電極との間にリチウム蓄積層を形成する、請求項11に記載の方法。
- 前記底部電極の物理的に露出された表面上、および前記電池材料スタックの周囲に配置される、空気または湿気あるいはその両方の不浸透性構造を形成することをさらに含む、
請求項11に記載の方法。 - 前記高窒素リチウム化カソード材料表面層を含む前記リチウム化カソード材料層を形成することは、
リチウム化カソード材料を堆積させること、および、
前記リチウム化カソード材料の上部内に窒素を導入すること、
を含む、請求項11に記載の方法。 - 前記窒素を導入することは、熱プロセス、プラズマ・プロセス、ガス・クラスタ・イオン・ビーム・プロセス、イオン・ビーム・プロセス、またはイオン注入プロセスを含む、
請求項14に記載の方法。 - 前記窒素を導入することは、前記リチウム化カソード材料を堆積させるために使用される前駆体源内に窒素を追加することを含む、請求項14に記載の方法。
- 前記高窒素リチウム化カソード材料表面層は、前記リチウム化カソード材料層と同じ材料からなる、請求項11に記載の方法。
- 前記リチウムベース固体電解質層上にリチウム化高窒素界面層を形成すること、および、
前記リチウム化高窒素界面層上にアノード材料を形成すること、
をさらに含む、請求項11に記載の方法。 - 前記リチウム化高窒素界面層を形成することは、前記リチウムベース固体電解質層の上
部内に窒素を導入することを含み、前記導入することは、熱プロセス、プラズマ・プロセス、ガス・クラスタ・イオン・ビーム・プロセス、イオン・ビーム・プロセス、またはイオン注入プロセスを含む、請求項18に記載の方法。 - 前記リチウム化高窒素界面層を形成することは、堆積プロセスを含む、請求項18に記載の方法。
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PCT/IB2018/055609 WO2019030599A1 (en) | 2017-08-11 | 2018-07-26 | THIN FILM LITHIUM-ION BATTERY WITH FAST CHARGING SPEED |
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US20200266418A1 (en) * | 2018-03-23 | 2020-08-20 | EnPower, Inc. | Gap section multilayer electrode profile |
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GB202003124D0 (en) | 2020-04-15 |
DE112018004123T5 (de) | 2020-05-07 |
CN110870122A (zh) | 2020-03-06 |
WO2019030599A1 (en) | 2019-02-14 |
JP2020529720A (ja) | 2020-10-08 |
US10553898B2 (en) | 2020-02-04 |
GB2579748A (en) | 2020-07-01 |
GB2579748B (en) | 2022-01-19 |
US20190051930A1 (en) | 2019-02-14 |
CN110870122B (zh) | 2023-01-17 |
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