JP6779490B2 - 人工sei移植 - Google Patents
人工sei移植 Download PDFInfo
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- JP6779490B2 JP6779490B2 JP2018100289A JP2018100289A JP6779490B2 JP 6779490 B2 JP6779490 B2 JP 6779490B2 JP 2018100289 A JP2018100289 A JP 2018100289A JP 2018100289 A JP2018100289 A JP 2018100289A JP 6779490 B2 JP6779490 B2 JP 6779490B2
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
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- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/045—Electrochemical coating; Electrochemical impregnation
- H01M4/0452—Electrochemical coating; Electrochemical impregnation from solutions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/381—Alkaline or alkaline earth metals elements
- H01M4/382—Lithium
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- H—ELECTRICITY
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Description
本明細書で提供される背景説明は、本開示の文脈を一般的に提示することを目的とするものである。ここに名を挙げられた発明者の研究は、この背景セクションに記載され得る範囲で、他の態様では出願時に先行技術として認められない記述の態様とならんで、明示的にも黙示的にも、本技術に対する先行技術として認められない。
本教示は、Liイオンセルのアノード上に固体電解質界面(SEI)を形成し、形成されたSEIを有するアノードを第2のLiイオンセルに移植するための方法を提供する。このように移植されたアノードは、50ppmを超える水分を有する電解質と接触したとき、電気化学的に安定であることができる。
Claims (18)
- 予め形成された固体電解質界面(SEI)を有する保護されたアノードを有するリチウムイオン電池の製造方法であって、
SEI形成電解質を有する第1のセル内でリチウム電極に対して複数の充放電サイクルを実施することによって前記リチウム電極上にSEIを形成して、保護されたアノードを形成することを備え、前記SEI形成電解質は、
リチウムビス(フルオロスルホニル)イミド(LiFSI)と、
イオン液体とを含み、前記イオン液体は、
1−メチル−1−プロピルピロリジニウム、N−メチル−N,N−ジエチル−N−プロピルアンモニウム、N,N−ジエチル−N−メチル−N−(2−メトキシエチル)−アンモニウム、1,1−メチルプロピルピペリジニウム、N−メチル−N−(2−メトキシエチル)−ピロリジニウム、トリメチルイソプロピルホスホニウム、メチルトリエチルホスホニウム、メチルトリブチルホスホニウム、およびそれらの混合物からなる群から選択される有機カチオンと、
(フルオロスルホニル)イミドアニオン(FSI)とを含み、前記方法はさらに、
湿式Liイオンボルタ電池を組み立てることを備え、前記湿式Liイオンボルタ電池は、
前記保護されたアノードと、
前記保護されたアノードと接触する湿式電解質とを含み、前記湿式電解質は、少なくとも50ppmの水分を含む、リチウムイオン電池の製造方法。 - LiFSIは、前記イオン液体に対して、少なくとも1:1のモル比で存在する、請求項1に記載の方法。
- LiFSIは前記イオン液体中においてその飽和点で存在する、請求項1に記載の方法。
- 前記湿式Liイオンボルタ電池を組み立てる前に、前記SEI形成電解質が可溶性である溶媒で前記保護されたアノードを洗浄することをさらに備える、請求項1に記載の方法。
- 前記SEI形成電解質は50ppm未満の含水量を有する、請求項1に記載の方法。
- 前記湿式電解質は、少なくとも100ppmの濃度で存在する水分を含む、請求項1に記載の方法。
- 前記湿式電解質は、少なくとも500ppmの濃度で存在する水分を含む、請求項1に記載の方法。
- 前記湿式電解質は、少なくとも1000ppmの濃度で存在する水分を含む、請求項1に記載の方法。
- 前記湿式電解質は、少なくとも4000ppmの濃度で存在する水分を含む、請求項1に記載の方法。
- 前記湿式電解質は、少なくとも16000ppmの濃度で存在する水分を含む、請求項1に記載の方法。
- 前記カチオンはPyr13を含む、請求項1に記載の方法。
- 前記カチオンはN1223を含む、請求項1に記載の方法。
- 前記カチオンはDEMEを含む、請求項1に記載の方法。
- 前記カチオンはPip13を含む、請求項1に記載の方法。
- 前記カチオンはP111i4を含む、請求項1に記載の方法。
- 前記カチオンはPyr12O1を含む、請求項1に記載の方法。
- 前記カチオンはP1222を含む、請求項1に記載の方法。
- 前記カチオンはP1444を含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/606,803 US10505219B2 (en) | 2017-05-26 | 2017-05-26 | Artificial SEI transplantation |
US15/606,803 | 2017-05-26 |
Publications (3)
Publication Number | Publication Date |
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JP2018200873A JP2018200873A (ja) | 2018-12-20 |
JP2018200873A5 JP2018200873A5 (ja) | 2020-04-30 |
JP6779490B2 true JP6779490B2 (ja) | 2020-11-04 |
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JP2018100289A Active JP6779490B2 (ja) | 2017-05-26 | 2018-05-25 | 人工sei移植 |
Country Status (4)
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US (1) | US10505219B2 (ja) |
JP (1) | JP6779490B2 (ja) |
CN (1) | CN108963193B (ja) |
DE (1) | DE102018111005B4 (ja) |
Families Citing this family (9)
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CA3019132A1 (en) | 2016-04-01 | 2017-10-05 | NOHMs Technologies, Inc. | Modified ionic liquids containing phosphorus |
US10446875B2 (en) * | 2017-05-26 | 2019-10-15 | Toyota Motor Engineering & Manufacturing North America, Inc. | Phosphonium-based ionic liquids for lithium metal-based batteries |
US20210257604A1 (en) * | 2017-06-20 | 2021-08-19 | Coreshell Technologies, Inc. | Solution-phase deposition of thin films on solid-state electrolytes |
EP3642896A4 (en) | 2017-06-20 | 2021-03-31 | Coreshell Technologies, Inc. | METHODS, SYSTEMS AND COMPOSITIONS FOR THE LIQUID DEPOSIT OF THIN FILMS ON THE SURFACE OF BATTERY ELECTRODES |
JP7296893B2 (ja) | 2017-07-17 | 2023-06-23 | ノームズ テクノロジーズ インコーポレイテッド | リン含有電解質 |
US10868339B2 (en) * | 2017-12-05 | 2020-12-15 | Toyota Motor Engineering & Manufacturing North America, Inc. | Aqueous electrolytes with bis(fluorosulfonyl)imide salt electrolyte and ionic liquid system and batteries using the electrolyte system |
WO2021192260A1 (ja) * | 2020-03-27 | 2021-09-30 | TeraWatt Technology株式会社 | 固体電池の製造方法及び固体電池 |
CN114420896A (zh) * | 2020-10-28 | 2022-04-29 | 中国科学院上海硅酸盐研究所 | 一种高倍率锂电负极极片及其制备方法和应用 |
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2017
- 2017-05-26 US US15/606,803 patent/US10505219B2/en active Active
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2018
- 2018-05-08 DE DE102018111005.7A patent/DE102018111005B4/de active Active
- 2018-05-24 CN CN201810506131.5A patent/CN108963193B/zh active Active
- 2018-05-25 JP JP2018100289A patent/JP6779490B2/ja active Active
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DE102018111005A1 (de) | 2018-11-29 |
DE102018111005B4 (de) | 2021-07-29 |
US10505219B2 (en) | 2019-12-10 |
US20180342773A1 (en) | 2018-11-29 |
CN108963193A (zh) | 2018-12-07 |
JP2018200873A (ja) | 2018-12-20 |
CN108963193B (zh) | 2021-03-30 |
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