JP2013225494A - 蓄電装置及びその作製方法 - Google Patents
蓄電装置及びその作製方法 Download PDFInfo
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- JP2013225494A JP2013225494A JP2013046134A JP2013046134A JP2013225494A JP 2013225494 A JP2013225494 A JP 2013225494A JP 2013046134 A JP2013046134 A JP 2013046134A JP 2013046134 A JP2013046134 A JP 2013046134A JP 2013225494 A JP2013225494 A JP 2013225494A
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H—ELECTRICITY
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Abstract
【解決手段】負極集電体となる金属シートを剥離して、新たな負極集電体を形成する。たとえばチタンシート上に負極活物質層であるシリコンを形成したのちに加熱する工程を経ると、チタンシートを剥離できる。その後、10nm以上1μm以下の膜厚を有する新たな負極集電体を形成する。蓄電装置の軽量化を達成することができる。
【選択図】図2
Description
(1)負極活物質を有する層(負極活物質層)を形成した後に、集電体(たとえば金属シート)を剥離する。
(2)負極活物質層上に電解質を有する層(電解質層)を形成した後に、集電体(たとえば金属シート)を剥離する。
(3)負極活物質層上に電解質層、正極活物質を有する層(正極活物質層)を形成した後に、集電体(たとえば金属シート)を剥離する。
(4)負極活物質層上に電解質層、正極活物質層、正極集電体を形成した後に、集電体(たとえば金属シート)を剥離する。
(5)負極活物質層上に電解質層、正極活物質層、正極集電体を形成し、これらを覆う保護膜を形成した後に、集電体(たとえば金属シート)を剥離する。
上記のとおり剥離は、いずれのタイミングで行ってもよく、金属シートを剥離することによって軽量化を図ることができる。軽量化を達成するためには、少なくとも金属シートの一部が剥離されればよく、金属シートが全部剥離される必要はない。
本実施の形態では、集電体である金属シートが剥離された蓄電装置及びその作製方法について説明する。また剥離のタイミングは、負極活物質層、固体電解質層、正極活物質層、正極集電体まで形成してから行う場合で説明する。
本実施の形態では、保護膜の一としてフレキシブル基板を採用した例を説明する。つまりフレキシブル基板上に負極活物質層等を転置する蓄電装置の作製方法である。また剥離のタイミングは、負極活物質層、固体電解質層、正極活物質層、正極集電体、フレキシブル基板まで形成してから行う場合で説明する。
本実施の形態では、正極集電体、正極活物質層、固体電解質層等が形成された積層体に、負極活物質層を転置する蓄電装置の作製方法について説明する。すなわち、上記実施の形態と剥離のタイミングが異なる場合を説明する。
本実施の形態では、ローラを用い、当該ローラからの力を利用して剥離のきっかけを与える場合について説明する。
本実施の形態では、保護膜として樹脂を用い、樹脂で挟み込まれた蓄電装置の構成について説明する。
本実施の形態では、積層構造を有する蓄電装置について説明する。
本実施の形態では、上記実施の形態で説明した蓄電装置の正極層の構造及びその製造方法について詳述する。
正極層及びその製造方法について説明する。図15(A)は正極700の断面図である。正極700は、正極活物質を含む正極活物質層702と、これを保持する正極集電体701が形成される。
本実施の形態では、本発明の一態様の蓄電装置が適用された曲面形状を有する電子機器の例について、図16を用いて説明する。
本発明の一態様に係る蓄電装置は、電力により駆動する様々な電気機器の電源として用いることができる。
低密度層と反応層の状態を利用して、剥離することができる。
102 シリコン膜
102A 負極活物質層
102B 負極活物質層
103 電解質層
103A 電解質層
103B 電解質層
104 正極活物質層
104A 正極活物質層
104B 正極活物質層
105 正極集電体
105A 正極集電体
105B 正極集電体
106 反応層
107 低密度層
108 負極集電体
108A 負極集電体
108B 負極集電体
110 保護膜
120 絶縁膜
160 樹脂
210 保護膜
212 フレキシブル基板
211 接着剤
301 チタンシート
302 ウィスカ状のシリコン膜
306 反応層
315 多結晶のシリコンウィスカ
501 チタンシート
502 アモルファスシリコン
503 反応層
700 正極
701 正極集電体
702 正極活物質層
703 正極活物質
704 グラフェン
8500 携帯電話機
8501 筐体
8502 表示部
8503 操作ボタン
8504 外部接続ポート
8505 スピーカ
8506 マイク
8600 携帯表示装置
8601 筐体
8602 表示部
8603 操作ボタン
8604 送受信装置
8000 表示装置
8001 筐体
8002 表示部
8003 スピーカ部
8004 蓄電装置
8100 照明装置
8101 筐体
8102 光源
8103 蓄電装置
8104 天井
8105 側壁
8106 床
8107 窓
8200 室内機
8201 筐体
8202 送風口
8203 蓄電装置
8204 室外機
8300 電気冷凍冷蔵庫
8301 筐体
8302 冷蔵室用扉
8303 冷凍室用扉
8304 蓄電装置
Claims (8)
- 負極集電体と、
前記負極集電体上の負極活物質層と、
前記負極活物質層上の電解質層と、
前記電解質層上の正極活物質層と、
前記正極活物質層上の正極集電体と、を有し
前記負極集電体は、10nm以上1μm以下の膜厚を有することを特徴とする蓄電装置。 - 第1の積層体と、
前記第1の積層体上の第2の積層体とを有し、
前記第1の積層体は、
第1の負極集電体と、
前記第1の負極集電体上の第1の負極活物質層と、
前記負極活物質層上の第1の電解質層と、
前記第1の電解質層上の第1の正極活物質層と、
前記第1の正極活物質層上の第1の正極集電体と、を有し、
前記第2の積層体は、
第2の負極集電体と、
前記第2の負極集電体上の第2の負極活物質層と、
前記第2の負極活物質層上の第2の電解質層と、
前記第2の電解質層上の第2の正極活物質層と、
前記第2の正極活物質層上の第2の正極集電体とを有し、
前記第1の負極集電体及び前記第2の負極集電体は、10nm以上1μm以下の膜厚を有することを特徴とする蓄電装置。 - 請求項1において、
前記負極集電体は、アルミニウム、ステンレス、ニッケル、銅、錫、ニオブ、鉄およびチタンのいずれか一を有することを特徴とする蓄電装置。 - 請求項2において、
前記第1の負極集電体は、アルミニウム、ステンレス、ニッケル、銅、錫、ニオブ、鉄およびチタンのいずれか一を有し、
前記第2の負極集電体は、アルミニウム、ステンレス、ニッケル、銅、錫、ニオブ、鉄およびチタンのいずれか一を有することを特徴とする蓄電装置。 - 請求項1又は3において、
前記電解質層は、無機固体電解質層又は有機固体電解質層を有することを特徴とする蓄電装置。 - 請求項2又は4において、
前記第1の電解質層は、無機固体電解質層又は有機固体電解質層を有し、
前記第2の電解質層は、無機固体電解質層又は有機固体電解質層を有することを特徴とする蓄電装置。 - 負極集電体となる金属シート上に負極活物質層となるシリコン膜を形成し、
前記負極活物質層上に電解質層を形成し、
前記電解質層上に正極活物質層を形成し、
前記正極活物質層上に正極集電体を形成する蓄電装置の作製方法であって、
熱を加えて、前記金属シートと、前記シリコン膜との反応層を形成し、
前記反応層と前記シリコン膜との界面から剥離し、
前記剥離された面のシリコン膜に第2の負極集電体を形成し、
前記第2の負極集電体は、10nm以上1μm以下の膜厚を有することを特徴とする蓄電装置の作製方法。 - 負極集電体となる金属シート上に負極活物質層となるシリコン膜を形成し、
前記負極活物質層上に電解質層を形成し、
前記電解質層上に正極活物質層を形成し、
前記正極活物質層上に正極集電体を形成する蓄電装置の作製方法であって、
熱を加えて、前記金属シートと、前記シリコン膜との反応層を形成すると同時に、前記シリコン膜において、前記シリコンが前記反応層へ拡散し、前記シリコンの密度が低下している低密度層を形成し、
前記低密度層の内部、前記低密度層と前記反応層との界面、又は前記低密度層と前記シリコン膜との界面から剥離し、
前記剥離された面のシリコン膜に第2の負極集電体を形成し、
前記第2の負極集電体は、10nm以上1μm以下の膜厚を有することを特徴とする蓄電装置の作製方法。
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US20160043406A1 (en) | 2016-02-11 |
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JP6495570B2 (ja) | 2019-04-03 |
US9577268B2 (en) | 2017-02-21 |
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US9196906B2 (en) | 2015-11-24 |
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US20130252088A1 (en) | 2013-09-26 |
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