JP2022514039A - 固体電解質膜またはアノードの製造方法、並びに、固体電解質膜またはアノード - Google Patents
固体電解質膜またはアノードの製造方法、並びに、固体電解質膜またはアノード Download PDFInfo
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Abstract
Description
リチウムは、一般的に、本出願に記載のすべての化合物においてナトリウムで置換され得る。固体電解質材料は、典型的には、粉末混合物中に13~35重量%の濃度で存在する。複合材料は、導電性添加剤として、カーボンナノチューブ、ブラックカーボン、黒鉛、グラフェン、および/または炭素繊維を、1~5重量%の濃度で含有することができる。固体電解質材料は、典型的には電気化学的に活性な材料である。導電性添加剤は、電気化学的に不活性な材料であり得る。
アノードユニットの導電性を有する集電体は、典型的には、導電性材料、好ましくはニッケル、銅、ステンレス鋼、または対応する合金を含むか、またはこの材料から完全に形成される。
代替的または追加的に、集電体は、集電体層として、特に、好ましくは両面コーティングを有する、面積型集電体または集電体膜として、エキスパンドメタルとして、発泡体として、織布として、ノンクリンプ織布として、または、プライマー層を備えた集電体層として、形成され得る。ここで、プライマー層は同様に平面状であり得る。
Claims (13)
- 固体電解質膜(3)または固体電池用のアノードユニットの製造方法であって、
前記固体電解質膜(3)用に固体電解質材料とポリテトラフルオロエチレンとの粉末混合物を製造し、前記アノードユニット用に電極材料と固体電解質材料と導電性添加剤とポリテトラフルオロエチレンとの粉末混合物を製造し、
前記粉末混合物に対するせん断力の作用によって、少なくとも部分的にフィブリル化されたポリテトラフルオロエチレンを形成し、
前記粉末混合物を、前記固体電解質膜(3)としての可撓性複合層、または、集電体層(5)上に配置され、前記アノードユニットの複合材料(4)からなる層に成形し、
前記粉末混合物は最大で1重量%のポリテトラフルオロエチレンを含む、方法。 - 前記少なくとも部分的にフィブリル化されたポリテトラフルオロエチレンは、粉砕、ウォームシャフト中での混合、またはカレンダ圧延装置中での混合、またはこれらの組合せによって形成されることを特徴とする、請求項1に記載の方法。
- 前記粉末混合物は、圧延、プレス、または押出によって、前記可撓性複合層に成形されることを特徴とする、請求項1または2に記載の方法。
- 前記固体電解質膜用の粉末混合物は、99~99.9重量%の濃度の前記固体電解質材料と、0.1~1重量%の濃度のポリテトラフルオロエチレンとを含むことを特徴とする、請求項1~3のいずれか1項に記載の方法。
- 前記ポリテトラフルオロエチレンは、完全に一軸配向または完全に二軸配向したポリテトラフルオロエチレンとして存在することを特徴とする、請求項1~4のいずれか1項に記載の方法。
- 固体電解質材料とポリテトラフルオロエチレンとを含む固体電解質膜(3)であって、
前記固体電解質膜(3)が最大で1重量%のポリテトラフルオロエチレンを含む、固体電解質膜。 - 導電性を有する集電体層(5)と、当該集電体層(5)上に配置され、電極材料と固体電解質材料と導電性添加剤とバインダーとしてのポリテトラフルオロエチレンとを含む複合材料(4)からなる層とを含むアノードユニットであって、
前記複合材料が最大で1重量%のポリテトラフルオロエチレンを含み、
前記ポリテトラフルオロエチレンが少なくとも部分的にフィブリル化ポリテトラフルオロエチレンとして存在する、アノードユニット。 - 前記複合材料が少なくとも0.1重量%のポリテトラフルオロエチレンを含むことを特徴とする、請求項7に記載のアノードユニット。
- 前記電極材料は、前記電極材料の粒子に形成された保護層を含むことを特徴とする、請求項7または8に記載のアノードユニット。
- 請求項6に記載の固体電解質膜(3)が、第1の活性層(2)と第1のキャリア膜(1)とから形成された第1の電極ユニット上に直接形成された、固体電解質電極複合体。
- 前記固体電解質膜(3)と前記第1の活性層(2)とが積層体を形成することを特徴とする、請求項10記載の固体電解質電極複合体。
- 請求項10または11に記載の固体電解質電極複合体を含む固体電池であって、
前記固体電解質膜(3)の前記第1の電極ユニットとは反対側の表面に、第2のキャリア膜としての集電体層(5)と第2の活性層としての複合材料(4)からなる層とを含むアノードユニットが形成されたことを特徴とする、固体電池。 - 前記第2のキャリア膜(5)の材料が、前記第1のキャリア膜(1)の材料とは異なることを特徴とする、請求項12記載の固体電池。
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DE102018222142.1A DE102018222142A1 (de) | 2018-12-18 | 2018-12-18 | Verfahren zum Herstellen einer Festelektrolytmembran oder einer Anode und Festelektrolytmembran oder Anode |
PCT/EP2019/085594 WO2020127223A2 (de) | 2018-12-18 | 2019-12-17 | Verfahren zum herstellen einer festelektrolytmembran oder einer anode und festelektrolytmembran oder anode |
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WO2023167298A1 (ja) * | 2022-03-02 | 2023-09-07 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに固体二次電池 |
WO2023167300A1 (ja) * | 2022-03-02 | 2023-09-07 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池 |
WO2023223066A1 (ja) * | 2022-05-19 | 2023-11-23 | 日産自動車株式会社 | 二次電池 |
WO2023223064A1 (ja) * | 2022-05-19 | 2023-11-23 | 日産自動車株式会社 | 全固体電池 |
WO2024136601A1 (ko) * | 2022-12-23 | 2024-06-27 | 주식회사 엘지에너지솔루션 | 고체 전해질막 및 이를 포함하는 전고체 전지 |
Cited By (7)
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WO2023167298A1 (ja) * | 2022-03-02 | 2023-09-07 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに固体二次電池 |
WO2023167300A1 (ja) * | 2022-03-02 | 2023-09-07 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池 |
JP2023129370A (ja) * | 2022-03-02 | 2023-09-14 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池 |
JP7485999B2 (ja) | 2022-03-02 | 2024-05-17 | ダイキン工業株式会社 | 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池 |
WO2023223066A1 (ja) * | 2022-05-19 | 2023-11-23 | 日産自動車株式会社 | 二次電池 |
WO2023223064A1 (ja) * | 2022-05-19 | 2023-11-23 | 日産自動車株式会社 | 全固体電池 |
WO2024136601A1 (ko) * | 2022-12-23 | 2024-06-27 | 주식회사 엘지에너지솔루션 | 고체 전해질막 및 이를 포함하는 전고체 전지 |
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EP3900075A2 (de) | 2021-10-27 |
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