JP7182624B2 - エネルギー貯蔵装置の電極製造のための方法および装置 - Google Patents
エネルギー貯蔵装置の電極製造のための方法および装置 Download PDFInfo
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Description
この出願は、2017年11月2日に提出された「エネルギー貯蔵装置の電極製造のための方法および装置」と題された米国仮特許出願第62/580,920号の利益を主張し、これは、ここでその全体を参照することによって本明細書に組み込まれる。
本明細書で使用される場合、「バッテリー」および「コンデンサ」という用語は、当業者にそれらの通常の慣習的な意味を与えられるべきである。「バッテリー」と「コンデンサ」という用語は、互いに排他的ではない。コンデンサまたはバッテリーは、単独で動作するか、マルチセルシステムのコンポーネントとして動作する単一の電気化学セルを指す。
特定の実施形態および実施例を以下に説明するが、当業者は、本発明が、具体的に開示された実施形態および/または使用ならびに明らかな修正およびその均等物を超えて広がることを理解するであろう。したがって、本明細書に開示される本発明の範囲は、以下に説明される特定の実施形態によって限定されるべきではないことが意図されている。
302 ポリマー分散源
304 第2供給源
306 ミキサー
308 減圧器
310 収集容器
Claims (28)
- エネルギー貯蔵装置の電極膜混合物を形成するための装置であって、
ポリマー分散液を含み、該ポリマー分散液は、ポリマーバインダーと、臨界または超臨界の流体とを含み、該ポリマーバインダーは、エネルギー貯蔵装置の電極膜混合物の第1成分である第1供給源と、
前記エネルギー貯蔵装置の電極膜混合物の第2成分を含む第2供給源と、
前記ポリマー分散液および前記第2成分を受け取り、前記ポリマー分散液および前記第2成分を含むスラリーを形成するように構成されるミキサーと、
前記スラリーを受け取って減圧するように構成され、さらに前記臨界または超臨界の流体を蒸発させて、乾燥ポリマーバインダーを第2成分上に堆積させるように構成された減圧器とを含む
エネルギー貯蔵装置の電極製造装置。 - 前記第2成分が、粒子を含む、請求項1に記載の装置。
- 前記第2成分が、炭素を含む、請求項1に記載の装置。
- 前記第2成分が、活性電極材料を含む、請求項1に記載の装置。
- 前記第2成分が、グラファイトを含む、請求項4に記載の装置。
- 前記第2成分が、電池のカソード活性材料を含む、請求項4に記載の装置。
- 前記第2成分が、リチウム金属酸化物を含む、請求項6に記載の装置。
- 前記活性電極材料は、硫黄および硫黄を含む材料のうちの少なくとも1つを含む、請求項4に記載の装置。
- 前記流体が超臨界二酸化炭素を含む、請求項1に記載の装置。
- 前記ポリマー分散液が、前記流体中のポリマーバインダーの溶液を含む、請求項1記載の装置。
- 前記ポリマーバインダーが、ポリテトラフルオロエチレン(PTFE)を含む、請求項1に記載の装置。
- 乾燥ポリマーバインダーを受け入れるように構成された収集容器をさらに含む、請求項1記載の装置。
- 収集容器が濾過格納容器を含む、請求項12に記載の装置。
- 前記減圧器がオリフィスを含み、前記減圧器が前記スラリーを前記オリフィスに通して前記スラリーを減圧して前記流体を蒸発させるように構成されている、請求項1に記載の装置。
- エネルギー貯蔵装置の電極膜混合物を形成する方法であって、
臨界または超臨界の流体に分散されたポリマーバインダーを含み、該ポリマーバインダーは、エネルギー貯蔵の装置の電極膜混合物の第1成分である、ポリマー分散液を提供することと、
エネルギー貯蔵装置の電極膜混合物の第2成分を提供することと、
ポリマー分散液および第2成分を含むスラリーを形成することと、
臨界または超臨界流体を蒸発させ、乾燥ポリマーバインダーを第2成分上に堆積させるためにスラリーを減圧することを含む
エネルギー貯蔵装置の電極製造方法。 - 前記第2成分が、粒子を含む、請求項15に記載の方法。
- 前記乾燥ポリマーバインダーで前記第2成分をコーティングすることをさらに含む、請求項15に記載の方法。
- 前記第2成分が、炭素を含む、請求項15に記載の方法。
- 前記第2成分が、電極の活性材料を含む、請求項15に記載の方法。
- 前記活性材料が、グラファイトを含む、請求項19に記載の方法。
- 前記活性材料が、リチウム金属酸化物を含む、請求項19に記載の方法。
- 前記活性材料が、硫黄および硫黄を含む材料のうちの少なくとも1つを含む、請求項19に記載の方法。
- 前記ポリマーバインダーが、ポリテトラフルオロエチレン(PTFE)を含む、請求項15に記載の方法。
- 前記流体が超臨界二酸化炭素である、請求項15に記載の方法。
- 前記スラリーを減圧することは、前記スラリーをオリフィスに通すことを含む、請求項15に記載の方法。
- 前記ポリマーバインダーを堆積させることが、前記第2成分を乾燥ポリマーバインダーでコーティングすることを含む、請求項15に記載の方法。
- コーティングされた第2成分を収集容器に受け入れることをさらに含む、請求項26に記載の方法。
- 収集容器が濾過格納容器を含む、請求項27に記載の方法。
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