JP2019526886A - リチウムイオン電池の高温エージングプロセス - Google Patents
リチウムイオン電池の高温エージングプロセス Download PDFInfo
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- B60—VEHICLES IN GENERAL
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- H—ELECTRICITY
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- H01M2220/00—Batteries for particular applications
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Abstract
Description
カソード: LiNi1/3Co1/3Mn1/3O2
導電性材料−アセチレンブラック
バインダ−ポリビニリデンジフルオリド(PVDF)
アノード: 活性材料−グラファイト
バインダ−スチレンブタジエンゴム(SBR)、カルボキシメチルセルロース(CMC)
セパレータ: ポリエチレンフィルム
電解質: EC:DMC:EMC=1:1:1体積基準、LiPF6 1モル/L
SEI形成添加剤: リチウムビス(オキサラト)ボレート0.05モル/L
三電極セル: Toyo System Co.モデルTYS−00DM02D
作用電極: 試験サンプルセルのアノード12電極
対極: リチウムホイル
参照極: リチウムホイル
電解質: EC:DMC:EMC=1:1:1(体積比)、LiPF6 1モル/L
CR=(最初の放電容量)/(サイクル試験後の放電容量)×100(%) (2
なお、本発明の実施態様としては、下記の態様を挙げることができる:
〈態様1〉
アノード(12)、カソード(16)、電解質(22)及びセパレータ(20)を含む再充電式セル(10)の高温エージングプロセスを実施する方法であって、
前記アノード(12)上に形成された固体電解質界面(24)を、前記固体電解質界面(24)の飽和イオン伝導率が上昇する所定の温度まで加熱すること、及び、
SEIのイオン伝導率が飽和する所定の最小時間にわたって、前記固体電解質界面(24)を前記所定の温度に保持すること、
を含む、方法。
〈態様2〉
前記加熱の前に前記再充電式セルを充電して、前記固体電解質界面(24)を形成させることを含む、態様1に記載の方法。
〈態様3〉
シュウ酸塩、エチレンカーボネート及びスルホンから選ばれるSEI形成添加剤を、前記電解質(22)に供給することを含む、態様1〜2のいずれか一項に記載の方法。
〈態様4〉
前記方法を、前記セルの最初の充電後に、前記リチウムイオンセル(10)を完成させるために実施する、態様1〜3のいずれか一項に記載の方法。
〈態様5〉
前記固体電解質界面(24)のイオン伝導率が、下記として計算される、態様1〜4のいずれか一項に記載の方法:
〈数1〉
(上式中、ε 0 は真空の誘電率であり、8.9×10 −14 F/cmの値を有し、ε sei は前記固体電解質界面(24)の比誘電率に対応し、10の値を有し、R sei は前記固体電解質界面(24)の抵抗であり、C sei は前記固体電解質界面(24)の静電容量であり、R sei 及びC sei はそれぞれ電気化学インピーダンス分光法によって測定される)。
〈態様6〉
前記アノードが、30℃を超え、100℃未満であり、特に60℃である所定の温度で加熱される、態様1〜5のいずれか一項に記載の方法。
〈態様7〉
前記所定の最小時間が、30分〜200時間、特に5〜80時間の範囲であり、例えば約40時間である、態様1〜6のいずれか一項に記載の方法。
〈態様8〉
前記セル(10)を分解すること、及び前記アノード(12)のEIS分析を行うことを含む、態様1〜7のいずれか一項に記載の方法。
〈態様9〉
態様1〜8のいずれか一項に記載の再充電式セル(10)を具備している乗物。
Claims (9)
- アノード(12)、カソード(16)、電解質(22)及びセパレータ(20)を含む再充電式セル(10)の高温エージングプロセスを実施する方法であって、
前記アノード(12)上に形成された固体電解質界面(24)を、前記固体電解質界面(24)の飽和イオン伝導率が上昇する所定の温度まで加熱すること、及び、
SEIのイオン伝導率が飽和する所定の最小時間にわたって、前記固体電解質界面(24)を前記所定の温度に保持すること、
を含む、方法。 - 前記加熱の前に前記再充電式セルを充電して、前記固体電解質界面(24)を形成させることを含む、請求項1に記載の方法。
- シュウ酸塩、エチレンカーボネート及びスルホンから選ばれるSEI形成添加剤を、前記電解質(22)に供給することを含む、請求項1〜2のいずれか一項に記載の方法。
- 前記方法を、前記セルの最初の充電後に、前記リチウムイオンセル(10)を完成させるために実施する、請求項1〜3のいずれか一項に記載の方法。
- 前記固体電解質界面(24)のイオン伝導率が、下記として計算される、請求項1〜4のいずれか一項に記載の方法:
- 前記アノードが、30℃を超え、100℃未満であり、特に60℃である所定の温度で加熱される、請求項1〜5のいずれか一項に記載の方法。
- 前記所定の最小時間が、30分〜200時間、特に5〜80時間の範囲であり、例えば約40時間である、請求項1〜6のいずれか一項に記載の方法。
- 前記セル(10)を分解すること、及び前記アノード(12)のEIS分析を行うことを含む、請求項1〜7のいずれか一項に記載の方法。
- 請求項1〜8のいずれか一項に記載の再充電式セル(10)を具備している乗物。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2017/054091 WO2018153450A1 (en) | 2017-02-22 | 2017-02-22 | Lithium-ion battery high temperature aging process |
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JP2019526886A true JP2019526886A (ja) | 2019-09-19 |
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JP2019500549A Pending JP2019526886A (ja) | 2017-02-22 | 2017-02-22 | リチウムイオン電池の高温エージングプロセス |
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Country | Link |
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US (1) | US11024898B2 (ja) |
EP (1) | EP3586392A1 (ja) |
JP (1) | JP2019526886A (ja) |
KR (1) | KR20190039075A (ja) |
CN (1) | CN109417191A (ja) |
WO (1) | WO2018153450A1 (ja) |
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JP7096973B2 (ja) * | 2018-06-22 | 2022-07-07 | トヨタ自動車株式会社 | 非水電解液二次電池の製造方法および製造システム |
KR20210060825A (ko) * | 2019-11-19 | 2021-05-27 | 주식회사 엘지에너지솔루션 | 이차전지의 활성화 방법 |
US11757082B2 (en) * | 2021-02-19 | 2023-09-12 | GM Global Technology Operations LLC | Method for fabricating an anode for a lithium battery cell |
CN114243132B (zh) * | 2021-11-02 | 2023-03-03 | 东莞市振华新能源科技有限公司 | 一种锂离子电池陈化时间的测试方法 |
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- 2017-02-22 JP JP2019500549A patent/JP2019526886A/ja active Pending
- 2017-02-22 CN CN201780042454.7A patent/CN109417191A/zh active Pending
- 2017-02-22 KR KR1020197000654A patent/KR20190039075A/ko not_active Application Discontinuation
- 2017-02-22 WO PCT/EP2017/054091 patent/WO2018153450A1/en unknown
- 2017-02-22 US US16/315,479 patent/US11024898B2/en active Active
- 2017-02-22 EP EP17706503.4A patent/EP3586392A1/en active Pending
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US20190363409A1 (en) | 2019-11-28 |
EP3586392A1 (en) | 2020-01-01 |
KR20190039075A (ko) | 2019-04-10 |
WO2018153450A1 (en) | 2018-08-30 |
CN109417191A (zh) | 2019-03-01 |
US11024898B2 (en) | 2021-06-01 |
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