JP7169740B2 - リチウム付電極及びその製造方法 - Google Patents
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Description
種々の実施形態によると、電極の製造方法を提供する。いくつかの実施形態において、この方法は、電極アクティブ層の厚さを判定することと、電極アクティブ層の厚さと等しいか、又は僅かに大きい特定の厚さを有するリチウム(Li)片又は箔を選択することと、アクティブ層に対するLi層の重量比又は体積比の要件に基づき、Li片のサイズ又はLiストリップの幅を判定することと、導電性バインダ中間層を含んでもよく、含まなくてもよい導電性基板上に前記アクティブ層を付与又は積層することとを備え、電極表面は、溝部及び穴部のうちの少なくとも一方又は双方を含み、露出導電性基板が露出されて、アクティブ層材料又は導電性バインダ中間層がここに含まれず、穴部サイズは、Li片のサイズより僅かに大きいか、又は溝部幅は、Liストリップの幅より僅かに大きく、電極の穴部又は溝部にLi片又はストリップを圧入することを備えてもよい。溝部は、アクティブ層の端部を含む、電極上の任意の箇所に配置されてもよい。
Claims (7)
- 電極(100)の製造方法(300)であって、
アクティブ層(120)の厚さを判定する(305)ことと、
1つ以上のLiストリップ(130;135)を形成する、特定の厚さを有するリチウム(Li)箔を選択する(310)ことと、
前記アクティブ層(120)の前記1つ以上のLiストリップ(130;135)に対する重量比に基づき、前記1つ以上のLiストリップ(130;135)の幅を判定する(315)ことと、
導電性基板(110)上に前記アクティブ層(120)を積層することと、
前記導電性基板(110)の露出面を露出する、前記アクティブ層(120)に1つ以上の溝部(150)を形成することと、
前記1つ以上の溝部に前記1つ以上のLiストリップ(130;135)を圧入することとを備え、
前記アクティブ層(120)は、グラファイト、ハードカーボン、ソフトカーボン、活性炭、リチウム塩、酸化Li、シリコン等のアクティブ材料と、導電性カーボンと、バインダとの組み合わせの膜層を含み、
前記重量比は、5:1~15:1の範囲内であり、
前記1つ以上の溝部(159)の幅は前記Liストリップ(130;135)の幅よりも大きく、
前記導電性基板(110)は電極幅方向(幅)に前記アクティブ層の幅を超えて延び電流コレクタとして作用し、前記Liストリップの幅は前記電極幅方向(幅)に沿って規定され、
前記1つ以上のLiストリップ(130;135)は前記電極幅方向(幅)に対して垂直である電極厚さ方向を規定し、
前記アクティブ層(120)は前記電極幅方向(幅)および前記電極厚さ方向(厚さ)に対して垂直である電極長さ方向(長さ)を規定し、
前記1つ以上のLiストリップ(130;135)は前記電極長さ方向(長さ)に沿って前記アクティブ層(120)と平行であり、前記Liストリップ(130;135)の厚さが、前記アクティブ層(120)の厚さより厚い、電極の製造方法。 - 前記アクティブ層(120)における前記1つ以上の溝部(150)は、前記アクティブ層(120)の一端を含む前記電極(100)上の種々の位置に配される請求項1に記載の方法。
- 前記アクティブ層(120)の積層に先立って、前記導電性基板(110)上に導電性バインダ層(140)を積層する工程をさらに備え、
前記1つ以上の溝部(150)を形成する工程は、前記導電性基板(110)の前記露出面を露出する、前記アクティブ層(120)及び前記導電性バインダ層(140)に1つ以上の溝部を形成することを備える請求項1に記載の方法。 - リチウム(Li)付電極(100)であって、
導電性基板(110)と、
前記導電性基板(110)上に配されたアクティブ層(120)と、
前記導電性基板(110)の露出面を露出する、前記アクティブ層(120)に形成された1つ以上の溝部(150)と、
前記1つ以上の溝部(150)に配された1つ以上のLiストリップ(130;135)とを備え、
前記アクティブ層(120)は、グラファイト、ハードカーボン、ソフトカーボン、活性炭、リチウム塩、酸化Li、シリコン等のアクティブ材料と、導電性カーボンと、バインダとの組み合わせの膜層を含み、
前記アクティブ層(120)の前記1つ以上のLiストリップ(130;135)に対する重量比は、5:1~15:1の範囲内であり、
前記1つ以上の溝部(159)の幅は前記Liストリップ(130;135)の幅よりも大きく、
前記導電性基板(110)は電極幅方向(幅)前記にアクティブ層の幅を超えて延び電流コレクタとして作用し、前記Liストリップの前記幅は電極幅方向(幅)に沿って規定され、
前記1つ以上のLiストリップ(130;135)は前記電極幅方向(幅)に対して垂直である電極厚さ方向を規定し、
前記アクティブ層(120)は前記電極幅方向(幅)および前記電極厚さ方向(厚さ)に対して垂直である電極長さ方向(長さ)を規定し、
前記1つ以上のLiストリップ(130;135)の前記電極長さ方向(長さ)に沿って前記アクティブ層(120)と平行であり、前記Liストリップ(130;135)の厚さが、前記アクティブ層(120)の厚さより厚い、電極(100)。 - 前記アクティブ層(120)における前記1つ以上の溝部(150)は、前記アクティブ層(120)の一端を含む、前記電極上の種々の位置に配される請求項4に記載の電極(100)。
- 前記アクティブ層(120)の積層に先立って前記導電性基板(110)上に積層された導電性バインダ層(140)をさらに備え、
前記1つ以上の溝部(150)は、前記導電性基板の前記露出面を露出する、前記アクティブ層(120)及び前記導電性バインダ層(140)に形成される請求項4に記載の電極(100)。 - 前記1つ以上のLiストリップ(130;135)の長さは、前記アクティブ層(120)の長さと同じであり、それらの前記長さは前記電極長さ方向(長さ)に沿って規定される、請求項4に記載の電極(100)。
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US201662359031P | 2016-07-06 | 2016-07-06 | |
US62/359,031 | 2016-07-06 | ||
US15/638,140 | 2017-06-29 | ||
US15/638,140 US10505182B2 (en) | 2016-07-06 | 2017-06-29 | Lithium attached electrodes and method of making same |
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JP2008060130A (ja) | 2006-08-29 | 2008-03-13 | Fdk Corp | 蓄電素子およびその製造方法 |
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CN107665976B (zh) | 2021-09-14 |
US20180013139A1 (en) | 2018-01-11 |
EP3267514A1 (en) | 2018-01-10 |
KR102539340B1 (ko) | 2023-06-02 |
CN107665976A (zh) | 2018-02-06 |
US10505182B2 (en) | 2019-12-10 |
KR20180005622A (ko) | 2018-01-16 |
JP2018073803A (ja) | 2018-05-10 |
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