JP7061569B2 - ケイ素と安定化リチウム金属粉末用の結合剤付きのアノード構造体 - Google Patents
ケイ素と安定化リチウム金属粉末用の結合剤付きのアノード構造体 Download PDFInfo
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Description
本発明は、契約番号第DE‐AC02‐05CH11231号に基づき、米国政府の支援を得てなされたものである。米国政府は、本発明に対して一定の権利を有する。
Claims (15)
- 電極構造体を作製する方法であって、
炭化水素溶媒、スチレンブタジエンゴム(SBR)、及びポリスチレン(PS)の結合剤溶液を形成することと、
前記結合剤溶液に安定化リチウム金属粉末を加えてスラリを形成することと、
前記スラリの薄膜を基板上に堆積することと、
前記薄膜及び基板を乾燥工程に供して前記電極構造体を形成することとを含み、
前記結合剤溶液中のSBRの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と5%の間であり、前記結合剤溶液中のPSの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と5%の間である、方法。 - 前記薄膜を堆積することは、スロットダイ塗工法を含む、請求項1に記載の方法。
- 前記安定化リチウム金属粉末を活性化するため、前記基板上の前記薄膜をカレンダー法に供することをさらに含む、請求項1に記載の方法。
- 前記基板が、グラファイトアノードである、請求項1に記載の方法。
- 前記基板は、酸化ケイ素(SiO)アノードである、請求項1に記載の方法。
- 前記炭化水素溶媒はキシレンである、請求項1に記載の方法。
- 20℃における前記結合剤溶液の粘度は2.5センチポアズ(cp)以上である、請求項1に記載の方法。
- 前記結合剤溶液中のSBRの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と1%の間である、請求項1に記載の方法。
- 前記結合剤溶液中のPSの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と1%の間である、請求項8に記載の方法。
- 前記結合剤溶液中のSBRの濃度は0.5重量%であり、前記結合剤溶液中のPSの濃度は、前記結合剤溶液の総重量に対して0.5重量%である、請求項1に記載の方法。
- 前記安定化リチウム金属粉末の粒子がLi2CO3で被覆されている、請求項1に記載の方法。
- 前記乾燥工程が、前記電極構造体から前記炭化水素溶媒を蒸発させる、請求項1に記載の方法。
- 請求項1に記載の電極構造体を、正極の電極構造体、前記正極の電極構造体と接触している第1の集電体、前記電極構造体と接触している第2の集電体、及び前記正極の電極構造体と前記電極構造体との間に位置するセパレータと連結することを含む、電池の形成方法。
- 電極構造体を製造するための方法であって、
結合剤溶液中のSBRの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と1%の間であり、前記結合剤溶液中のPSの濃度は、前記結合剤溶液の総重量に対して重量で0.1%と1%の間であり、かつ、前記結合剤溶液の粘度は、20℃において、2.5センチポアズ(cp)と4.8cpの間である、スチレンブタジエンゴム(SBR)及びポリスチレン(PS)をキシレン中で溶解させることにより前記結合剤溶液を形成すること、及び
結合剤懸濁液を形成するように、前記結合剤溶液に安定化リチウム金属粉末(SLMP)を添加すること
により形成される前記結合剤懸濁液を提供することと、
グラファイトアノード上に前記結合剤懸濁液の薄膜を堆積することと、
前記電極構造体を形成するように、前記薄膜及び前記グラファイトアノードを乾燥工程に供することと
を含む、方法。 - 前記安定化リチウム金属粉末が、前記結合剤懸濁液の0.5から4重量%の量で存在し、かつ、残りが結合剤溶液である、請求項14に記載の方法。
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US201662278239P | 2016-01-13 | 2016-01-13 | |
US62/278,239 | 2016-01-13 | ||
PCT/US2017/012192 WO2017123443A1 (en) | 2016-01-13 | 2017-01-04 | Anode structure with binders for silicon and stabilized lithium metal powder |
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JP2019503561A JP2019503561A (ja) | 2019-02-07 |
JP2019503561A5 JP2019503561A5 (ja) | 2020-02-13 |
JP7061569B2 true JP7061569B2 (ja) | 2022-04-28 |
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US (1) | US11069888B2 (ja) |
JP (1) | JP7061569B2 (ja) |
KR (1) | KR20180094134A (ja) |
CN (1) | CN108475767B (ja) |
TW (1) | TWI706588B (ja) |
WO (1) | WO2017123443A1 (ja) |
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JP7206250B2 (ja) * | 2017-07-10 | 2023-01-17 | ナノスケール コンポーネンツ,インコーポレイテッド | アノード上にsei層を形成する方法 |
US20200335771A1 (en) * | 2017-08-31 | 2020-10-22 | Albemarle Coporation | Methods for prelithiating electrodes using lithium silicon alloys |
US10256459B1 (en) | 2017-09-18 | 2019-04-09 | Nanotek Instruments, Inc. | Surface-stabilized and prelithiated anode active materials for lithium batteries and production method |
US10673063B2 (en) | 2017-09-21 | 2020-06-02 | Global Graphene Group, Inc. | Process for prelithiating an anode active material for a lithium battery |
EP3769358A1 (en) * | 2018-03-22 | 2021-01-27 | FMC Lithium USA Corp. | Printable lithium compositions for forming battery electrodes |
US20190221886A1 (en) | 2018-03-22 | 2019-07-18 | Fmc Lithium Usa Corp. | Solid-state battery |
US11264598B2 (en) | 2018-03-22 | 2022-03-01 | Fmc Lithium Usa Corp. | Battery utilizing printable lithium |
CN110931718B (zh) * | 2018-09-20 | 2021-06-08 | 中能中科(天津)新能源科技有限公司 | 锂膏及其制备方法和应用 |
CN109802140A (zh) * | 2018-12-21 | 2019-05-24 | 上海力信能源科技有限责任公司 | 一种锂电池负极极片及其制备方法 |
JP7308295B2 (ja) | 2019-05-21 | 2023-07-13 | ワッカー ケミー アクチエンゲゼルシャフト | リチウムイオン電池 |
CN110400985B (zh) * | 2019-07-31 | 2021-03-30 | 清陶(昆山)能源发展有限公司 | 一种锂离子电池负极补锂复合膜及其制备方法和应用 |
KR20210029556A (ko) * | 2019-09-06 | 2021-03-16 | 주식회사 엘지화학 | 음극 전극의 전리튬-전소듐화 방법, 전리튬-전소듐화 음극, 및 이를 포함하는 리튬 이차전지 |
KR20210029552A (ko) * | 2019-09-06 | 2021-03-16 | 주식회사 엘지화학 | 음극 전극의 전리튬-전소듐화 방법, 전리튬-전소듐화 음극, 및 이를 포함하는 리튬 이차전지 |
WO2021168063A1 (en) | 2020-02-19 | 2021-08-26 | Fmc Lithium Usa Corp. | Fast charging pre-lithiated silicon anode |
CN112490399B (zh) * | 2021-01-27 | 2022-07-15 | 郑州中科新兴产业技术研究院 | 一种锂离子电池负极预锂的方法 |
KR102568211B1 (ko) * | 2021-02-25 | 2023-08-18 | 한국생산기술연구원 | 리튬분말 및 아연분말 또는 산화아연분말을 포함하는 리튬이차전지용 음극 및 그의 제조방법 |
CN115868043A (zh) | 2021-06-17 | 2023-03-28 | 瓦克化学股份公司 | 用于预锂化锂离子电池中的含硅负极的方法 |
CN114464778A (zh) * | 2022-01-18 | 2022-05-10 | 清华大学 | 用于制备负极极片的方法、负极极片、二次电池 |
KR20240072596A (ko) * | 2022-11-17 | 2024-05-24 | 에스케이온 주식회사 | 급속 충전 성능이 개선된 이차전지용 전극, 이의 제조방법 및 이를 포함하는 이차전지 |
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JP2007502002A (ja) | 2003-08-13 | 2007-02-01 | エイビーエスエル パワー ソリューションズ リミテッド | 電極の製造方法 |
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WO2012099264A1 (ja) | 2011-01-21 | 2012-07-26 | 日本ゼオン株式会社 | 電気化学素子用電極の製造方法および電気化学素子 |
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CN108475767A (zh) | 2018-08-31 |
JP2019503561A (ja) | 2019-02-07 |
US11069888B2 (en) | 2021-07-20 |
WO2017123443A1 (en) | 2017-07-20 |
TWI706588B (zh) | 2020-10-01 |
CN108475767B (zh) | 2021-09-21 |
US20190013513A1 (en) | 2019-01-10 |
KR20180094134A (ko) | 2018-08-22 |
TW201737534A (zh) | 2017-10-16 |
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