JP2009524900A - リチウム電池の製造方法 - Google Patents
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- 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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- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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Abstract
【選択図】 図1
Description
Claims (23)
- (A)一塊の粉末状の正極材料を供給すること;
(B)基板を供給すること;
(C)正極材料を含む液体スラリーを形成すること;
(D)液体スラリーを基板上にキャストすること;
(E)液体スラリーを乾燥して正極材料の層を形成すること;
(F)正極層をおおむね均一な厚さに圧縮すること;及び
(G)正極層を少なくとも250℃に加熱すること
の工程を含む薄膜電池正極の製造方法。 - 工程(A)において、粉末状の正極材料が5ミクロン〜12ミクロンの間の平均粒子サイズを有する請求項1記載の方法。
- 工程(F)において、正極層を5ミクロン〜12ミクロンの間の厚さに圧縮する請求項2記載の方法。
- 工程(A)において、粉末状の正極材料が、リチウムコバルト酸化物、リチウムニッケル酸化物、リチウムマンガン酸化物、酸化バナジウム、五酸化バナジウム、リン酸鉄リチウム及びその他のリチウム層間化合物から成るグループから選ばれる請求項1記載の方法。
- 工程(C)において、スラリーがバインダーも含む請求項1記載の方法。
- 工程(G)において、正極層を少なくとも500℃に加熱する請求項5記載の方法。
- 工程(G)において、正極層を、正極粉末の周辺端部が互いに焼結する温度に加熱する請求項5記載の方法。
- 工程(F)において、正極層を、ローラーの間にそれを通過させることによって圧縮する請求項1記載の方法。
- 工程(B)において、基板がアルミニウム、コバルト及び金で被覆したアルミニウム、金で被覆したニッケル、ニッケル、白金、並びにステンレス鋼から成るグループから選ばれる請求項1記載の方法。
- 工程(F)において、正極層を5ミクロン〜12ミクロンの間の厚さに圧縮する請求項1記載の方法。
- (A)5ミクロン〜12ミクロンの間の平均粒子サイズを有する一塊の粉末状の正極材料を供給すること;
(B)正極材料を含む液体スラリーを形成すること;
(C)液体スラリーを基板上にキャストすること;
(D)液体スラリーを乾燥して正極材料の層を形成すること;及び
(E)正極層をおおむね均一な5ミクロン〜12ミクロンの間の厚さに圧縮すること
の工程を含む薄膜電池正極の製造方法。 - 正極層を少なくとも250℃に加熱する工程(F)を更に含む請求項11記載の方法。
- 工程(F)において、正極層を正極粉末の周辺端部が互いに焼結する温度に加熱する請求項12記載の方法。
- 工程(A)において、粉末状の正極材料が、リチウムコバルト酸化物、リチウムニッケル酸化物、リチウムマンガン酸化物、酸化バナジウム、五酸化バナジウム、リン酸鉄リチウム及びその他のリチウム層間化合物から成るグループから選ばれる請求項11記載の方法。
- 工程(B)において、スラリーがバインダーも含む請求項11記載の方法。
- 工程(F)において、正極層を少なくとも500℃に加熱する請求項12記載の方法。
- 工程(D)において、正極層をローラーの間にそれを通過させることによって圧縮する請求項11記載の方法。
- 工程(C)において、基板がアルミニウム、コバルト及び金で被覆したアルミニウム、金で被覆したニッケル、ニッケル、白金、並びにステンレス鋼から成るグループから選ばれる請求項11記載の方法。
- (A)一塊の粉末状の正極材料を供給すること;
(B)基板を供給すること;
(C)正極材料を含む液体スラリーを形成すること;
(D)液体スラリーを基板上にキャストすること;
(E)液体スラリーを乾燥して正極材料の層を形成すること;及び
(F)正極層をおおむね均一な厚さに圧縮すること
の工程を含む薄膜電池正極の製造方法。 - 工程(A)において、粉末状の正極材料が5ミクロン〜12ミクロンの間の平均粒子サイズを有する請求項19記載の方法。
- 工程(F)において、正極層を5ミクロン〜12ミクロンの間の厚さに圧縮する請求項19記載の方法。
- 工程(A)において、粉末化された正極材料が、リチウムコバルト酸化物の粉末である請求項19記載の方法。
- 工程(C)において、スラリーがバインダーも含む請求項19記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72568305P | 2005-10-11 | 2005-10-11 | |
PCT/US2006/040089 WO2007044904A2 (en) | 2005-10-11 | 2006-10-11 | Method of manufacturing lithium battery |
US11/546,968 US7540886B2 (en) | 2005-10-11 | 2006-10-11 | Method of manufacturing lithium battery |
Publications (2)
Publication Number | Publication Date |
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JP2009524900A true JP2009524900A (ja) | 2009-07-02 |
JP2009524900A5 JP2009524900A5 (ja) | 2010-12-16 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2008535712A Pending JP2009524900A (ja) | 2005-10-11 | 2006-10-11 | リチウム電池の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7540886B2 (ja) |
JP (1) | JP2009524900A (ja) |
KR (1) | KR20080087782A (ja) |
CN (1) | CN101351907B (ja) |
WO (1) | WO2007044904A2 (ja) |
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US10658672B2 (en) | 2017-02-09 | 2020-05-19 | Panasonic Intellectual Property Management Co., Ltd. | All-solid-state battery and manufacturing method |
WO2023008474A1 (ja) * | 2021-07-29 | 2023-02-02 | パナソニックIpマネジメント株式会社 | 二次電池用正極および二次電池 |
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US20070264564A1 (en) * | 2006-03-16 | 2007-11-15 | Infinite Power Solutions, Inc. | Thin film battery on an integrated circuit or circuit board and method thereof |
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KR102148512B1 (ko) * | 2017-09-01 | 2020-08-27 | 주식회사 엘지화학 | 양극 활물질의 제조방법 및 이를 이용한 양극 활물질 및 리튬 이차전지 |
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Also Published As
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WO2007044904A2 (en) | 2007-04-19 |
US20090098281A1 (en) | 2009-04-16 |
CN101351907A (zh) | 2009-01-21 |
WO2007044904A3 (en) | 2008-09-18 |
CN101351907B (zh) | 2010-09-29 |
US7540886B2 (en) | 2009-06-02 |
KR20080087782A (ko) | 2008-10-01 |
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