JP2015513182A - リチウム二次電池用電極の製造方法及びそれを用いて製造される電極 - Google Patents
リチウム二次電池用電極の製造方法及びそれを用いて製造される電極 Download PDFInfo
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- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H—ELECTRICITY
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H01M4/66—Selection of materials
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Abstract
Description
101 ローラ
102 ローラ
200 集電体
201 集電体
202 集電体
Claims (18)
- 電極活物質が集電体に塗布されている二次電池用電極の製造方法であって、表面全般にわたって0.001〜10μmの大きさの表面粗さ(Ra)を形成するモルフォロジーを有するように集電体を表面処理する過程を含んで、電極活物質と集電体との接着力を改善させることを特徴とする、二次電池用電極の製造方法。
- 前記集電体は、表面全般にわたって0.1〜1μmの大きさの表面粗さ(Ra)を形成するモルフォロジーを有することを特徴とする、請求項1に記載の二次電池用電極の製造方法。
- 前記表面処理は、表面に陽刻でパターンが形成されているローラを集電体に圧延して行うことを特徴とする、請求項1に記載の二次電池用電極の製造方法。
- 前記パターンの垂直断面は、多角形、円形、楕円形、またはスリット状であることを特徴とする、請求項3に記載の二次電池用電極の製造方法。
- 請求項1に記載の製造方法で製造されることを特徴とする、二次電池用電極。
- 前記電極は、正極または負極、または正極及び負極であることを特徴とする、請求項5に記載の二次電池用電極。
- 前記正極は、正極活物質として、下記化学式1で表されるリチウム金属酸化物を含む、請求項6に記載の二次電池用電極:
LixMyMn2−yO4−zAz (1)
上記式中、0.9≦x≦1.2、0<y<2、0≦z<0.2であり、
Mは、Al、Mg、Ni、Co、Fe、Cr、V、Ti、Cu、B、Ca、Zn、Zr、Nb、Mo、Sr、Sb、W、Ti及びBiからなる群から選択される一つ以上の元素であり、
Aは、−1または−2価の一つ以上のアニオンである。 - 前記化学式1の酸化物は、下記化学式2で表されることを特徴とする、請求項7に記載の二次電池用電極:
LixNiyMn2−yO4 (2)
上記式中、0.9≦x≦1.2、0.4≦y≦0.5である。 - 前記酸化物は、LiNi0.5Mn1.5O4またはLiNi0.4Mn1.6O4であることを特徴とする、請求項8に記載の二次電池用電極。
- 前記負極は、負極活物質として、下記化学式3で表されるリチウム金属酸化物を含む、請求項6に記載の二次電池用電極:
LiaM’bO4−cAc (3)
上記式中、M’は、Ti、Sn、Cu、Pb、Sb、Zn、Fe、In、Al及びZrからなる群から選択される一つ以上の元素であり、
a及びbは、0.1≦a≦4、0.2≦b≦4の範囲でM’の酸化数(oxidation number)によって決定され、
cは、0≦c<0.2の範囲でAの酸化数によって決定され、
Aは、−1または−2価の一つ以上のアニオンである。 - 前記リチウム金属酸化物は、下記化学式4で表されることを特徴とする、請求項10に記載の二次電池用電極:
LiaTibO4 (4)
上記式中、0.5≦a≦3、1≦b≦2.5である。 - 前記リチウム金属酸化物は、Li1.33Ti1.67O4またはLiTi2O4であることを特徴とする、請求項11に記載の二次電池用電極。
- 請求項5乃至12のいずれか1項に記載の二次電池用電極を含むことを特徴とする、二次電池。
- 前記二次電池は、リチウム二次電池であることを特徴とする、請求項13に記載の二次電池。
- 請求項14に記載の二次電池を単位電池として含むことを特徴とする、電池モジュール。
- 請求項15に記載の電池モジュールを含むことを特徴とする、電池パック。
- 請求項16に記載の電池パックを含むことを特徴とする、デバイス。
- 前記デバイスは、電気自動車、ハイブリッド電気自動車、プラグインハイブリッド電気自動車、または電力貯蔵用システムであることを特徴とする、請求項17に記載のデバイス。
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US (1) | US9780359B2 (ja) |
EP (1) | EP2800178B1 (ja) |
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Cited By (2)
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JP2015201335A (ja) * | 2014-04-08 | 2015-11-12 | 日立化成株式会社 | リチウムイオン電池 |
WO2021005919A1 (ja) * | 2019-07-09 | 2021-01-14 | Jfeスチール株式会社 | 非水電解質二次電池の集電体用のクロム含有鋼板およびその製造方法 |
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KR102053239B1 (ko) | 2016-09-09 | 2019-12-06 | 주식회사 엘지화학 | 고용량의 전극을 포함하는 이차전지의 제조 방법 |
WO2018083917A1 (ja) * | 2016-11-04 | 2018-05-11 | 日産自動車株式会社 | 電池用電極及び電池 |
KR102172070B1 (ko) | 2017-01-09 | 2020-10-30 | 주식회사 엘지화학 | 리튬 메탈 패터닝 및 이를 이용한 전기화학 소자 |
KR102326289B1 (ko) | 2017-03-03 | 2021-11-15 | 주식회사 엘지에너지솔루션 | 건조전극의 표면에 패턴을 형성하는 방법 |
US10622680B2 (en) | 2017-04-06 | 2020-04-14 | International Business Machines Corporation | High charge rate, large capacity, solid-state battery |
WO2018220670A1 (ja) * | 2017-05-29 | 2018-12-06 | オリンパス株式会社 | 観察装置 |
PL3582296T3 (pl) * | 2017-11-06 | 2021-12-27 | Lg Chem, Ltd. | Elektroda do baterii akumulatorowej o zwiększonym bezpieczeństwie, sposób jej wytwarzania oraz bateria akumulatorowa zawierająca tę samą elektrodę |
KR102261800B1 (ko) | 2017-11-20 | 2021-06-04 | 주식회사 엘지화학 | 비정형 전극의 제조 방법 |
WO2019132460A1 (ko) * | 2017-12-27 | 2019-07-04 | 주식회사 엘지화학 | 리튬 메탈 이차전지 및 그 제조 방법 |
KR102204304B1 (ko) * | 2017-12-27 | 2021-01-18 | 주식회사 엘지화학 | 리튬 메탈 이차전지 및 그 제조 방법 |
JP7057766B2 (ja) * | 2019-07-09 | 2022-04-20 | Jfeスチール株式会社 | 硫化物系固体電池の集電体用のフェライト系ステンレス鋼板およびその製造方法 |
US20230369558A1 (en) * | 2021-01-12 | 2023-11-16 | Lg Energy Solution, Ltd. | Freestanding Film, Electrode for Secondary Battery, Secondary Battery Including the Same, and Method of Manufacturing Electrode |
CN216597640U (zh) * | 2021-07-05 | 2022-05-24 | 托马斯·吉哈德·维尔海姆·达米兹 | 锂离子电池 |
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WO2012014793A1 (ja) * | 2010-07-28 | 2012-02-02 | Necエナジーデバイス株式会社 | リチウムイオン二次電池 |
JP2013025902A (ja) * | 2011-07-15 | 2013-02-04 | Samsung Yokohama Research Institute Co Ltd | 二次電池用電極、二次電池用電極の製造方法並びに二次電池 |
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JP2015201335A (ja) * | 2014-04-08 | 2015-11-12 | 日立化成株式会社 | リチウムイオン電池 |
WO2021005919A1 (ja) * | 2019-07-09 | 2021-01-14 | Jfeスチール株式会社 | 非水電解質二次電池の集電体用のクロム含有鋼板およびその製造方法 |
JPWO2021005919A1 (ja) * | 2019-07-09 | 2021-09-13 | Jfeスチール株式会社 | 非水電解質二次電池の集電体用のクロム含有鋼板およびその製造方法 |
JP7006801B2 (ja) | 2019-07-09 | 2022-02-10 | Jfeスチール株式会社 | 非水電解質二次電池の集電体用のクロム含有鋼板およびその製造方法 |
Also Published As
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EP2800178A4 (en) | 2015-09-16 |
EP2800178A1 (en) | 2014-11-05 |
CN107425178A (zh) | 2017-12-01 |
US9780359B2 (en) | 2017-10-03 |
US20140349170A1 (en) | 2014-11-27 |
CN104137313A (zh) | 2014-11-05 |
WO2013157806A1 (ko) | 2013-10-24 |
CN107425178B (zh) | 2020-12-01 |
KR101542055B1 (ko) | 2015-08-05 |
KR20130116828A (ko) | 2013-10-24 |
EP2800178B1 (en) | 2017-11-01 |
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