JP2021512459A - 封止したアノード構造を備える、ハイブリッド型固体電池 - Google Patents
封止したアノード構造を備える、ハイブリッド型固体電池 Download PDFInfo
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Abstract
Description
本出願は、2018年1月31日出願の「HYBRID SOLID−STATE CELL」と題する、米国仮特許出願第62/624,476号の優先権を主張し、その内容はその全体が参照により組み込まれる。本出願は、2019年1月30日出願の米国特許出願第16/262,058号の優先権も主張する。
本発明は、一体型セラミック電気化学セルハウジング、及び関連する製造方法に関する。
リチウムイオン電池(LIB)は、それに先行するNiCad及びリチウム水素電池と比較して、ワット時当たりのエネルギー密度及びコストの著しい改善を提供する。にもかかわらず、LIBを作製する製造コストは、電気自動車で大変な費用がかかる。更に、低エネルギー密度は、我々の電子機器を望ましいものより大きくかつ嵩高にする。当分野での最近の改善は、固体電池の密度を増加させることによって、これらの欠点に対処することが試みられてきた。
一体型セラミック電気化学セルハウジングを提供する。前記ハウジングは、2つ以上の電気化学サブセルハウジングを含む。電気化学サブセルハウジングのそれぞれは、アノード受容空間、カソード受容空間、アノード受容空間とカソード受容空間の間のセパレータ、及び集積電子伝導回路を含む。第1の集積電子伝導回路は、アノード受容空間の中のアノード集電体として構成される。第2の集積電子伝導回路は、カソード受容空間の中のカソード集電体として配置される。
本発明は、添付図面を参照して説明され、類似の参照番号は、図の全体にわたって類似または同等の要素を示すために使用される。図は縮尺して描かれておらず、それらは、単に本発明を例示するためだけに提供されている。本発明のいくつかの態様は、説明のための例示の用途を参照して後述される。多数の具体的な詳細、関係及び方法は、本発明を完全に理解するために記載されることを理解すべきである。しかし、関連技術分野の当業者であれば、本発明が、具体的な詳細のうちの1つ以上がなくても、または他の方法により実施され得ることを容易に認識するであろう。他の場合で、周知の構造または動作は、本発明を不明瞭にするのを避けるために詳細には示されない。いくらかの行為が異なる順番で及び/または他の行為または事象と並行して生じ得る際、本発明は、行為または事象の例示の順番で制限されない。更に、すべての例示した行為または事象が、本発明による方法を実施するために必要というわけではない。
カソード層10は、カソード液を含むように構成された充填開孔49(図2及び図9に示す)の封止構造も含むことができる。封止構造は、環境からカソード液を保護して、カソード受容空間11からの圧力除去を提供するように構成されることができる。セパレータ層30は、電気的に絶縁したセラミック材料を含むことができる。いくつかの実施形態で、電気的に絶縁したセラミック材料の少なくとも中心部は、サブセルの設計電荷移動イオンに適切な固体電解質を含む。少孔性セラミック壁は固体電解質材料も含むことができて、サブセルのための保護包装としても機能できる。
Claims (20)
- アノード受容空間、カソード受容空間、アノード受容空間とカソード受容空間の間のセパレータ、及び複数の集積電子伝導回路をそれぞれが含む、少なくとも2つの電気化学サブセルハウジング
を備える、一体型セラミック電気化学セルハウジングであって、
前記複数の集積電子伝導回路のうちの第1の集積電子伝導回路が、前記アノード受容空間の中のアノード集電体として構成されており、前記複数の集積電子伝導回路のうちの第2の集積電子伝導回路が、前記カソード受容空間の中のカソード集電体として配置されている、
前記セルハウジング。 - 前記アノード受容空間が、固体電解質で部分的に満たされた密閉封止容積として構成されている、請求項1に記載の一体型セラミック電気化学セルハウジング。
- 前記固体電解質が、高密度セラミックを含む、請求項2に記載の一体型セラミック電気化学セルハウジング。
- 前記高密度セラミックが、ホウ化物、炭化物、窒化物、リン化物、酸化物、セレン化物、フッ化物、塩化物、臭化物、ヨウ化物、及びそれらの組み合わせからなる群から選択される、請求項3に記載の一体型セラミック電気化学セルハウジング。
- 前記固体電解質が、前記セパレータと前記アノード集電体の間の連続イオン伝導率のネットワークを形成する、請求項2に記載の一体型セラミック電気化学セルハウジング。
- 前記固体電解質が、前記アノード受容空間の20%〜80%の容積を占有する、請求項5に記載の一体型セラミック電気化学セルハウジング。
- 前記アノード集電体が、前記少なくとも1つの電気化学サブセルハウジングの前記アノード受容空間のための、及び前記少なくとも2つの電気化学サブセルハウジングの前記第2の電気化学サブセルハウジングの第2のアノード受容空間のための集電体として機能する、請求項1に記載の一体型セラミック電気化学セルハウジング。
- 前記カソード受容空間が、1%〜60%の容積のセラミック材料のストランドで部分的に満たされている、請求項1に記載の一体型セラミック電気化学セルハウジング。
- 前記少なくとも2つの電気化学サブセルハウジングのそれぞれの間に絶縁材料を更に含む、請求項1に記載の一体型セラミック電気化学セルハウジング。
- カソード層が、カソード液(catholyte)を含むように構成された充填開孔を含み、前記充填開孔が、封止部を含む、請求項1に記載の一体型セラミック電気化学セルハウジング。
- 前記封止部が、前記カソード液を分離して前記カソード受容空間からの圧力除去を提供するように構成されている、請求項10に記載の一体型セラミック電気化学セルハウジング。
- 前記アノード受容空間が、最初の充電段階の間にアノード活物質で満たされる、請求項11に記載の一体型セラミック電気化学セルハウジング。
- 前記アノード受容空間が封止されており、前記カソード受容空間が部分的に封止されている、請求項11に記載の一体型セラミック電気化学セルハウジング。
- 複数のアノードサブセル集電体と接続するアノード電気接触部、及び複数のカソードサブセル集電体と接続するカソード電気接触部を更に含む、請求項1に記載の一体型セラミック電気化学セルハウジング。
- 多層構造を形成するために、前駆体材料を可撓性形態で堆積させる工程と、
堆積層間の物理的界面のない1つの一体構造へと前記前駆体を変換するために、前記多層構造を加熱する工程と
を含む、一体型セラミック電気化学セルハウジングを組み立てるための製造方法。 - 前記可撓性形態が、ペースト、流動性を有する粉末、及びグリーンテープからなる群から選択される流体である、請求項15に記載の製造方法。
- 前記前駆体材料を堆積させる工程が、3次元(3D)印刷及び積層テープ堆積の組み合わせを含む、請求項15に記載の製造方法。
- 前記前駆体材料を堆積させる工程が、追加的な製造プロセスを使用することを含む、請求項15に記載の製造方法。
- 前記追加的な製造プロセスが、前記一体型セラミック電気化学セルハウジングの各層の3次元(3D)印刷を含む、請求項18に記載の製造方法。
- 前記前駆体材料を堆積させる工程が、所望のパターンに調製されて設計順序に積み重ねられかつ一緒に積層されたグリーン(未焼成(unfired))テープの層を堆積させることを含む、請求項15に記載の製造方法。
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US201862624476P | 2018-01-31 | 2018-01-31 | |
US62/624,476 | 2018-01-31 | ||
PCT/US2019/015869 WO2019152531A1 (en) | 2018-01-31 | 2019-01-30 | Hybrid solid-state cell with a sealed anode structure |
US16/262,058 | 2019-01-30 | ||
US16/262,058 US10535900B2 (en) | 2018-01-31 | 2019-01-30 | Hybrid solid-state cell with a sealed anode structure |
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US10581111B2 (en) | 2017-01-31 | 2020-03-03 | Keracel, Inc. | Ceramic lithium retention device |
US10971760B2 (en) | 2018-01-31 | 2021-04-06 | Keracel, Inc. | Hybrid solid-state cell with a sealed anode structure |
WO2019152531A1 (en) | 2018-01-31 | 2019-08-08 | Keracel, Inc. | Hybrid solid-state cell with a sealed anode structure |
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KR20200111165A (ko) | 2020-09-28 |
WO2019152531A1 (en) | 2019-08-08 |
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WO2019152531A8 (en) | 2020-08-06 |
CN111727524A (zh) | 2020-09-29 |
EP3747075A1 (en) | 2020-12-09 |
US20190237808A1 (en) | 2019-08-01 |
CN111727524B (zh) | 2024-02-09 |
US10535900B2 (en) | 2020-01-14 |
US20200106135A1 (en) | 2020-04-02 |
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