JP2007500922A - 電極におけるリチウム金属の分散 - Google Patents
電極におけるリチウム金属の分散 Download PDFInfo
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- H01M4/139—Processes of manufacture
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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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
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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
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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
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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- H—ELECTRICITY
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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
- H01M4/134—Electrodes based on metals, Si or alloys
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- H—ELECTRICITY
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- 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
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
Description
本出願は、2004年7月28日に出願された「LITHUM METAL DISPERSION IN ELECTRODES」という題名の米国特許出願と、2003年7月29日に出願された米国仮出願第60/490,685号と、2003年7月31日に出願された米国仮出願第60/491,513号の利益を要求し、これらはここに引用することで本明細書の記載の一部をなすものとする。
シクロヘキサン、リチウム粉末およびエチレン・プロピレン・ジエンのターポリマー(Nordel(登録商標)IP 4570)を含むコーティング溶液について、所定の温度範囲全体に亘る熱安定性の試験を行った。この溶液は、8.8mLのシクロヘキサン、0.24gのリチウム粉末および0.127gのエチレン・プロピレン・ジエンのターポリマーからなるものであった。最適のカロリメーターとして、反応系スクリーニングツールを用いた。試験の間のチャンバー内部の圧力を、アルゴンを用いて200psigに設定することで、シクロヘキサンの沸点を超える系での試験が可能になった。19℃〜94℃の温度範囲全体に亘って、自己発熱は認められなかった。この試験のプロットを図2に図示する。シクロヘキサンの1atmでの沸点は80.7℃であるので、この温度を超えての走査は必要ではなく、この試験は94℃で終了した。図2に図示されるように、この装置は、傾斜の間は一分間に0.5℃の安定した加熱速度を維持した。自己発熱が認められたなら、加熱速度はこのレベルを超えて増大しただろう。加熱期間中の温度の傾向は直線であり、このことは、材料の自己発熱が生じなかったことを示す。自己発熱がないことは、エチレン・プロピレン・ジエンのターポリマー、シクロヘキサンおよびリチウム粉末の組み合わせが安定した混合物であることを示す。
0.531gの量のリチウム粉末を8mLのp−キシレンと混合し、実施例1に記載された反応系スクリーニングツールを用いて、熱安定性試験を実施した。室温〜180℃の間でこの試験を実施した。この温度範囲全体に亘って、自己発熱は認められなかった。このことは、室温〜180℃の間において、p−キシレン中ではリチウム粉末が安定であることを示す。
ジメチルプロピレン尿素およびリチウム粉末を含む溶液について、実施例1に記載された同じ設定と手段による反応系スクリーニングツール技術を用いて、その熱安定性を試験した。25℃にてジメチルプロピレン尿素をリチウム粉末に添加した3秒以内に、自己発熱が認められた。一分間に1000℃を超える速度でこの自己発熱が上昇した。図3は、試験での熱暴走を図示する。系において自己発熱が存在することは、ジメチルプロピレン尿素が、本発明のアノードを形成するための安定した溶媒ではないことを示す。というのは、それがリチウム粉末と反応するからである。
カレントコレクタ(20) :10〜40μm。
カソード(12) :70〜200μm。
材料(16) :10〜35μm。
アノード(14) :50〜150μm。
カレントコレクタ(22) :10〜40μm。
Claims (30)
- 母材をリチウム金属中に分散させて、母材とリチウム金属との混合物を形成する工程と、
前記母材とリチウム金属との混合物を撹拌して、母材のリチウム化を促進する工程と
を含む母材をプレリチウム化する方法。 - 前記リチウム金属がリチウム金属粉末である請求項1に記載の方法。
- 前記リチウム金属粉末が安定化リチウム金属粉末を含む請求項2に記載の方法。
- 前記リチウム金属粉末および前記母材が非水性溶液に分散している請求項2に記載の方法。
- 前記非水性溶液が炭化水素溶媒を含む請求項4に記載の方法。
- 約180℃以下の温度で前記撹拌を行う請求項2に記載の方法。
- 前記リチウム金属が溶融リチウム金属を含む請求項1に記載の方法。
- 母材をリチウム金属粉末と組み合わせて、混合物を形成する工程と、
この混合物を操作して、母材のリチウム化を促進する工程と
を含む母材をプレリチウム化する方法。 - 前記混合物の操作が、前記混合物を撹拌して、母材のリチウム化を促進することを含む請求項8に記載の方法。
- 180℃以下の温度で前記撹拌を行う請求項9に記載の方法。
- 40℃〜150℃の間の温度で前記撹拌を行う請求項9に記載の方法。
- 前記混合物の操作が、前記混合物を40℃〜150℃の間の温度に加熱することを含む請求項8に記載の方法。
- 前記混合物の操作が、前記混合物に圧力を加えて、母材をリチウム化することを含む請求項8に記載の方法。
- 前記混合物への加圧が、180℃以下の温度で行われる請求項13に記載の方法。
- 前記混合物の操作が、
前記混合物を用いて電極を形成する工程と、
前記電極を圧縮して母材をリチウム化する工程と
を含む請求項8に記載の方法。 - 前記電極の二回目の圧縮を実施する工程をさらに含む請求項15に記載の方法。
- 集電体と、
この集電体と接触しているプレリチウム化された母材と
を含む電極。 - 前記プレリチウム化された母材が、リチウム金属粉末でプレリチウム化された母材を含む請求項17に記載の電極。
- 陽極と、
プレリチウム化された母材を含む陰極と、
前記陽極と前記陰極との間のセパレーターと
を含む再充電可能なリチウムイオンセル。 - 前記プレリチウム化された母材が、母材とリチウム金属粉末とから形成されたプレリチウム化された母材を含む請求項19に記載の再充電可能なリチウムイオンセル。
- 請求項19に記載の再充電可能なリチウムイオンセルを含む電池。
- 前記電池が、携帯用電子デバイス、携帯電話デバイス、ビデオカメラデバイス、デジタル記録デバイス、ラップトップ型コンピュータデバイス、電気自動車デバイスおよびハイブリッド型自動車デバイスからなる群より選択されるデバイスと共に用いられる電池である請求項21に記載の電池。
- 母材をリチウム化する工程と、
前記リチウム化された母材から電極を形成する工程と
を含む電極を形成する方法。 - 母材から電極を形成する工程と、
前記電極をリチウム化する工程と、
前記リチウム化された電極を陰極として用いて、電池を形成する工程と
を含む電池を形成する方法。 - 前記電極をリチウム化する工程が、
前記母材から形成した電極にリチウム金属を適用する工程と、
前記母材のリチウム化を促進する工程と
を含む請求項24に記載の方法。 - 前記電極にリチウム金属を適用する工程が、前記電極にリチウムのメッシュを適用することを含む請求項25に記載の方法。
- 前記母材のリチウム化を促進する工程が、前記リチウムのメッシュおよび前記電極の母材に力を加えて、母材のリチウム化を開始することを含む請求項26に記載の方法。
- 前記母材のリチウム化を促進する工程が、前記リチウムのメッシュおよび前記電極の母材に電解質を適用して、母材のリチウム化を開始することを含む請求項26に記載の方法。
- 前記母材のリチウム化を促進する工程が、前記リチウムのメッシュおよび前記電極の母材を加熱して、母材のリチウム化を開始することを含む請求項26に記載の方法。
- 前記電極にリチウム金属を適用する工程が、前記電極にリチウム箔を適用することを含む請求項25に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49068503P | 2003-07-29 | 2003-07-29 | |
US49151303P | 2003-07-31 | 2003-07-31 | |
US10/900,715 US20050130043A1 (en) | 2003-07-29 | 2004-07-28 | Lithium metal dispersion in electrodes |
PCT/US2004/024502 WO2005013397A1 (en) | 2003-07-29 | 2004-07-29 | Lithium metal dispersion in electrodes |
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JP2007500922A true JP2007500922A (ja) | 2007-01-18 |
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JP2006522064A Pending JP2007500922A (ja) | 2003-07-29 | 2004-07-29 | 電極におけるリチウム金属の分散 |
Country Status (10)
Country | Link |
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US (1) | US20050130043A1 (ja) |
EP (1) | EP1652252B1 (ja) |
JP (1) | JP2007500922A (ja) |
KR (1) | KR20060056969A (ja) |
CN (1) | CN1830110B (ja) |
CA (1) | CA2532986C (ja) |
DE (1) | DE112004001344T5 (ja) |
GB (2) | GB2435541B (ja) |
RU (1) | RU2354012C2 (ja) |
WO (1) | WO2005013397A1 (ja) |
Cited By (18)
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JP2008098151A (ja) * | 2006-09-14 | 2008-04-24 | Shin Etsu Chem Co Ltd | 非水電解質二次電池及びその製造方法 |
WO2012020815A1 (ja) * | 2010-08-11 | 2012-02-16 | 株式会社Kri | リチウムのプリドープ方法、電極の製造方法、及びこれらの方法を用いた蓄電デバイス |
JP2012038686A (ja) * | 2010-08-11 | 2012-02-23 | Kri Inc | リチウムのプリドープ方法、電極の製造方法及びこれら方法を用いた蓄電デバイス |
JP2012074189A (ja) * | 2010-09-28 | 2012-04-12 | Kri Inc | プリドープ型電極の製造方法及び蓄電デバイス |
JP2012209195A (ja) * | 2011-03-30 | 2012-10-25 | Tdk Corp | 活物質の製造方法、電極及びリチウムイオン二次電池 |
JP2013125697A (ja) * | 2011-12-15 | 2013-06-24 | Idemitsu Kosan Co Ltd | リチウム粒子を含む組成物、電極及び電池 |
JP2013175313A (ja) * | 2012-02-24 | 2013-09-05 | Toyota Industries Corp | リチウムイオン二次電池および車両 |
JP2013175315A (ja) * | 2012-02-24 | 2013-09-05 | Toyota Industries Corp | リチウムイオン二次電池および車両 |
JP2013545886A (ja) * | 2010-09-28 | 2013-12-26 | ヒェメタル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 安定化された純リチウム金属粉末及びその製造方法 |
JP2016194141A (ja) * | 2015-03-31 | 2016-11-17 | Tdk株式会社 | 安定化リチウム粉、及びそれを用いたリチウムイオン二次電池 |
WO2017057486A1 (ja) * | 2015-09-28 | 2017-04-06 | Jsr株式会社 | 電極材料、電池、及びキャパシタの製造方法、並びに電極材料の製造装置 |
WO2017110797A1 (ja) * | 2015-12-22 | 2017-06-29 | Jsr株式会社 | 電極材料の製造システム、並びに、電極材料、電極、電池及びキャパシタの製造方法 |
WO2018212453A1 (ko) * | 2017-05-19 | 2018-11-22 | 주식회사 엘지화학 | 이차전지용 실리콘 산화물 음극의 전리튬화 방법 |
KR20190141915A (ko) * | 2018-06-15 | 2019-12-26 | 주식회사 엘지화학 | 리튬 이차전지용 음극의 제조방법 |
JP2020013770A (ja) * | 2018-07-17 | 2020-01-23 | 浙江大学山東工業技術研究院 | 炭素リチウム複合粉末及びその製造方法とリチウム金属二次電池電極の製造方法 |
WO2021006629A1 (ko) * | 2019-07-08 | 2021-01-14 | 주식회사 엘지화학 | 음극의 제조방법 |
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US8231810B2 (en) | 2004-04-15 | 2012-07-31 | Fmc Corporation | Composite materials of nano-dispersed silicon and tin and methods of making the same |
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JP2012038686A (ja) * | 2010-08-11 | 2012-02-23 | Kri Inc | リチウムのプリドープ方法、電極の製造方法及びこれら方法を用いた蓄電デバイス |
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JP2013545886A (ja) * | 2010-09-28 | 2013-12-26 | ヒェメタル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 安定化された純リチウム金属粉末及びその製造方法 |
JP2012209195A (ja) * | 2011-03-30 | 2012-10-25 | Tdk Corp | 活物質の製造方法、電極及びリチウムイオン二次電池 |
JP2013125697A (ja) * | 2011-12-15 | 2013-06-24 | Idemitsu Kosan Co Ltd | リチウム粒子を含む組成物、電極及び電池 |
JP2013175313A (ja) * | 2012-02-24 | 2013-09-05 | Toyota Industries Corp | リチウムイオン二次電池および車両 |
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US11575117B2 (en) | 2017-05-19 | 2023-02-07 | Lg Energy Solution, Ltd. | Pre-lithiation method of silicon oxide anode electrodes for secondary battery |
US11658285B2 (en) | 2017-07-31 | 2023-05-23 | Lg Energy Solution, Ltd. | Method for manufacturing negative electrode for secondary battery and negative electrode for secondary battery |
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Also Published As
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RU2006106182A (ru) | 2006-06-27 |
GB2417608A (en) | 2006-03-01 |
GB2417608B (en) | 2007-04-18 |
CN1830110A (zh) | 2006-09-06 |
GB2435541A (en) | 2007-08-29 |
KR20060056969A (ko) | 2006-05-25 |
WO2005013397A1 (en) | 2005-02-10 |
CA2532986C (en) | 2013-05-28 |
GB0703754D0 (en) | 2007-04-04 |
EP1652252A4 (en) | 2009-03-25 |
US20050130043A1 (en) | 2005-06-16 |
CN1830110B (zh) | 2011-05-04 |
GB0525950D0 (en) | 2006-02-01 |
CA2532986A1 (en) | 2005-02-10 |
RU2354012C2 (ru) | 2009-04-27 |
DE112004001344T5 (de) | 2006-06-29 |
GB2435541B (en) | 2008-04-09 |
EP1652252A1 (en) | 2006-05-03 |
EP1652252B1 (en) | 2014-09-03 |
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