JP2021515970A - 高エネルギー密度で変形可能な電池 - Google Patents
高エネルギー密度で変形可能な電池 Download PDFInfo
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- 238000004146 energy storage Methods 0.000 claims abstract description 91
- 239000002001 electrolyte material Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract description 9
- 210000001185 bone marrow Anatomy 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
Description
本出願は、2018年3月9日に出願の米国仮出願第62/640,770号、2018年11月21日出願の米国仮出願第62/770,395号、2018年11月28日出願の米国仮出願第62/772,422号、2018年11月28日出願の米国仮出願第62/772,432、及び2018年11月30日出願の米国仮出願第62/773,673号の優先権を主張するものであり、全体が本明細書に開示されているように参照することにより組み込まれる。
連邦政府による資金提供を受けた研究開発の記載
本発明は、アメリカ国立科学財団によって与えられた1420634に基づく政府の支援によってなされた。米国政府は、本発明に一定の権利を有する。
伸縮性は、次のように定義することができる。
Claims (20)
- 複数の折り畳み層を含む2つ以上の剛体エネルギー貯蔵部を含む軸状構造と、
隣接する剛体エネルギー貯蔵部を分離する導電性可撓性コンポーネントとを含む、エネルギー貯蔵デバイス。 - 前記複数の折り畳み層は、アノード層、カソード層、第1の集電体層、第2の集電体層、及び1つ以上のセパレータ層を含む、請求項1に記載のデバイス。
- 前記アノード層は、グラファイトを含み、
前記第1の集電体層は、前記アノード層の上に配置され、前記第1の集電体層は、銅を含み、
前記第1のセパレータ層は、前記アノード層と前記カソード層との間に配置され、
前記第2の集電体層は、前記カソード層と前記第2のセパレータ層との間に配置され、前記第2の集電体層はアルミニウムを含み、
前記カソード層は、リチウムを含む、請求項2に記載のデバイス。 - 前記1つ以上のセパレータ層は、ポリエチレンテレフタレート、ポリプロピレン、又はこれらの組み合わせを含む、請求項2に記載のデバイス。
- 前記2つ以上の剛体エネルギー貯蔵部を囲むケーシングと、前記ケーシング内の電解質材料とをさらに含む、請求項1に記載のデバイス。
- 前記ケーシングは、アルミナイズドバッグを含む、請求項5に記載のデバイス。
- 前記デバイスは、軸状バックボーンを含み、前記複数の折り畳み層は、前記バックボーンの周りに少なくとも1回巻き付けられている、請求項1に記載のデバイス。
- 前記エネルギー貯蔵デバイスが、概してジグザグ構成を採用するように、前記2つ以上の剛体エネルギー貯蔵部は、互いに折り畳まれた複数の層を含む、請求項1に記載のデバイス。
- 前記導電性可撓性コンポーネントは、1つ以上の折り目を含み、前記導電性可撓性コンポーネントが、第1の長さから第2の長さに伸張することを可能にしている、請求項1に記載のデバイス。
- 前記デバイスは、L/aが0.30〜1.0の間にあるように構成され、Lは、前記導電性可撓性コンポーネントの長さであり、aは、前記導電性可撓性コンポーネントに隣接する剛体エネルギー貯蔵部のエネルギー貯蔵長さである、請求項9に記載のデバイス。
- 前記導電性可撓性コンポーネントは、テープ層を含む、請求項1に記載のデバイス。
- 前記導電性可撓性コンポーネントは、2つのテープ層の間に配置された金属層を含む、請求項11に記載のデバイス。
- 複数の層を含む軸状構造を形成し、
前記複数の層を第1の位置でそれ自体を1回以上折り曲げて、剛体エネルギー貯蔵部及び隣接する導電性可撓性コンポーネントを生成し、
前記層を追加の位置でそれ自体に1回以上折り畳んで、隣接する可撓性コンポーネントを有する追加の剛体エネルギー貯蔵部を生成し、
アルミナイズドケーシング内で前記軸状構造をシールすることを含む、エネルギー貯蔵デバイスを製造する方法。 - 前記複数の層を含む前記軸状構造を形成することは、前記複数の層を切断して、軸状バックボーンから延びる複数の分岐を生成することを含む、請求項13に記載の方法。
- 前記隣接する可撓性コンポーネントをテープ層により積層することをさらに含む、請求項13に記載の方法。
- 前記層を追加の位置でそれ自体に1回以上折り畳むことで、ジグザグ状の構成で隣接する可撓性コンポーネントを有する追加の剛体エネルギー貯蔵部が生成される、請求項15に記載の方法。
- 前記アノード層は、グラファイトを含み、
前記第1の集電体層は、アノード層の上に配置され、第1の集電体層は、銅を含み、
第1のセパレータ層は、前記アノード層と前記カソード層との間に配置され、
第2の集電体層は、前記カソード層と前記第2のセパレータ層との間に配置され、前記第2の集電体層は、アルミニウムを含み、
前記カソード層は、リチウムを含む、請求項13に記載の方法。 - 前記デバイスは、L/aが0.30〜1.0の間にあるように構成され、Lは、前記導電性可撓性コンポーネントの長さであり、aは、前記導電性可撓性コンポーネントに隣接する剛体エネルギー貯蔵部のエネルギー貯蔵長さである、請求項13に記載のデバイス。
- 第1の電極層及び第2の電極層を含む軸状構造を提供し、
前記軸状構造を切断して、軸状のバックボーンから延びる複数の分岐を生成し、
前記複数の分岐を前記軸状バックボーンの周りに巻き付けて、2つ以上の剛体エネルギー貯蔵部と、隣接する剛体エネルギー貯蔵部を分離する導電性可撓性コンポーネントとを提供し、
前記導電性伸縮性コンポーネントに前記軸状バックボーンをテープ層により積層し、
電解質材料を含むアルミナイズドケーシング内で前記軸状構造をシールすること
を含む、エネルギー貯蔵デバイスを製造する方法。 - 前記第1の電極層は、グラファイトを含むアノード層であり、前記第2の電極層は、リチウムを含むカソード層であり、
前記軸状構造は、
前記アノード層の上に配置された第1の集電体層であって、銅を含む第1の集電体層と、
前記アノード層と前記カソード層との間に配置された第1のセパレータ層と、
前記カソード層と第2のセパレータ層との間に配置された第2の集電体層であって、アルミニウムを含む第2の集電体層と
を含む、請求項19に記載の方法。
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