JP2010528404A - リチウム二次電池の製造方法 - Google Patents
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or 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
- 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
- H01M10/0567—Liquid materials characterised by the additives
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
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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
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- 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
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- 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
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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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/4911—Electric battery cell making including sealing
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Abstract
【解決手段】本発明は、正極板と負極板の間にセパレーターを介在して電極組立体を製造する段階;前記電極組立体をケースに内蔵した後、添加剤が含まれた電解液を注入し前記ケースを密封する段階;前記密封されたケースに初期充電を行い、前記初期充電の際に発生するガスを除去する段階;及び前記ケースをフォーメーションする段階を含み、前記添加剤はLiF2BC2O4、3,9−ジビニル−2,4,8,10−テトラオキサスピロ[5,5]ウンデカン、LiBC(C2O4)2、ポリ(エチレングリコール)ボラート及びこれらの誘導体、ハロゲン置換されたカーボネート、及びビニルシランから選ばれた1種以上であり、前記初期充電は電池容量の50〜100%範囲で行われるリチウム二次電池の製造方法に関する。
Description
以下、実施例に基づいて本発明をより詳細に説明する。下記の実施例は本発明を例示するためのもので、本発明の範囲が下記の実施例によって限定されるものではない。
正極活物質はスピネルLiMn2O4を使用し、正極用導電材料はアセチレンブラックを使用し、負極活物質としては黒鉛を使用した。電解液は、ECとEMCを3:7の割合で適用した有機溶媒に1MのLiPF6塩を溶解させて使用した。正極バインダーとしては、PVDF(polyvinylidenefluoride)を、負極用バインダーとしてはSBR/CMC(styrene butadiene rubber/carboxy methyl cellulose)を使用し、パウチはアルミニウムでなったものを使用し、パウチの厚さは120μmであった。セパレーターとしてはポリエチレンセパレーターを使用した。
電池容量の70%まで初期充電することを除き、実施例1と同様な方法で電池を製造した。製造された電池に対し、フォーメーションの前と後の厚さ変化を測定し、その増加率を図1に示した。
電池容量の100%まで初期充電し、フォーメーションの際に満充電過程省略することを除き、実施例1と同様な方法で電池を製造した。製造された電池に対し、フォーメーションの前と後の厚さ変化を測定し、その増加率を図1に示した。
電池容量の10%までに初期充電することを除き、実施例1と同様な方法で電池を製造した。製造された電池に対し、フォーメーションの前と後の厚さ変化を測定し、その増加率を図1に示した。
添加剤としてVCを最終電解液を基準として3.0重量%添加したことを除き、実施例3と同様な方法で電池を製造した。製造された電池に対して55℃高温放置実験を実施し、2週ごとにASIを測定して経時によるASI変化を観察し、その結果を図2に示した。
Claims (4)
- 正極板と負極板の間にセパレーターを介在して電極組立体を製造する段階;
前記電極組立体をケースに内蔵した後、添加剤が含まれた電解液を注入し前記ケースを密封する段階;
前記密封されたケースに初期充電を行い、前記初期充電の際に発生するガスを除去する段階;及び
前記ケースをフォーメーション(formation)する段階;を含み、
前記添加剤はLiF2BC2O4、3,9−ジビニル−2,4,8,10−テトラオキサスピロ[5,5]ウンデカン、LiBC(C2O4)2、ポリ(エチレングリコール)ボラート及びこれらの誘導体、ハロゲン置換されたカーボネート、及びビニルシランから選ばれた1種以上であり、前記初期充電は電池容量の50〜100%範囲で行われることを特徴とする、リチウム二次電池の製造方法。 - 前記初期充電は、0.1〜1Cの電流、3.6〜4.4Vの電圧の条件で行われることを特徴とする、請求項1に記載のリチウム二次電池の製造方法。
- 前記ケースは別途のガス室が連結通路を介して連結された形態でなったものであり、前記初期充電によって発生したガスが前記ガス室に排出された後、前記連結通路を熱圧着して密封し、前記ガス室を除去することでガスを除去することを特徴とする、請求項1に記載のリチウム二次電池の製造方法。
- 前記添加剤は、最終電解液を基準として0.1〜10重量%添加されることを特徴とする、請求項1に記載のリチウム二次電池の製造方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0016613 | 2007-02-16 | ||
| KR1020070016613A KR100793010B1 (ko) | 2007-02-16 | 2007-02-16 | 리튬이차전지의 제조방법 |
| PCT/KR2008/000865 WO2008100090A1 (en) | 2007-02-16 | 2008-02-14 | Fabrication of lithium secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010528404A true JP2010528404A (ja) | 2010-08-19 |
| JP5395675B2 JP5395675B2 (ja) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009549526A Active JP5395675B2 (ja) | 2007-02-16 | 2008-02-14 | リチウム二次電池の製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100313410A1 (ja) |
| EP (1) | EP2115807B1 (ja) |
| JP (1) | JP5395675B2 (ja) |
| KR (1) | KR100793010B1 (ja) |
| CN (1) | CN101606264A (ja) |
| WO (1) | WO2008100090A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015095333A (ja) * | 2013-11-11 | 2015-05-18 | トヨタ自動車株式会社 | 非水系二次電池の製造方法 |
| JP2016126953A (ja) * | 2015-01-07 | 2016-07-11 | 積水化学工業株式会社 | 二次電池の充電ムラ低減方法及び二次電池の製造方法 |
| US10326172B2 (en) | 2014-03-14 | 2019-06-18 | Toyota Jidosha Kabushiki Kaisha | Method for producing secondary battery and secondary battery |
| CN110690368A (zh) * | 2018-07-05 | 2020-01-14 | 株式会社日立制作所 | 电池单元片、二次电池、电池单元片的制造方法以及二次电池的制造方法 |
| JP2024540729A (ja) * | 2022-08-23 | 2024-11-01 | エルジー エナジー ソリューション リミテッド | リチウム二次電池の活性化方法 |
| US12438197B2 (en) | 2021-03-30 | 2025-10-07 | Prime Planet Energy & Solutions, Inc. | Non-aqueous electrolyte solution secondary battery and manufacturing method of non- aqueous electrolyte solution secondary battery |
| US12614761B2 (en) | 2021-05-28 | 2026-04-28 | Prime Planet Energy & Solutions, Inc. | Nonaqueous electrolyte secondary battery, and method for fabricating nonaqueous electrolyte secondary battery |
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| CN101826635A (zh) * | 2010-04-09 | 2010-09-08 | 广州天赐高新材料股份有限公司 | 一种锂电池用聚合物电解液及其电池的制造方法 |
| CN103988357B (zh) * | 2011-11-24 | 2017-09-26 | 丰田自动车株式会社 | 非水电解液二次电池的制造方法 |
| JP6224399B2 (ja) * | 2013-10-01 | 2017-11-01 | オートモーティブエナジーサプライ株式会社 | 非水電解質二次電池の製造方法 |
| JP6256761B2 (ja) * | 2014-04-11 | 2018-01-10 | トヨタ自動車株式会社 | 二次電池の検査方法および製造方法 |
| FR3020181B1 (fr) * | 2014-04-17 | 2016-04-01 | Renault Sas | Procede de formation d'une cellule de batterie li-ion comprenant un materiau pour cathode a base de lnmo |
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| CN105655640B (zh) * | 2016-03-28 | 2018-11-02 | 宁德新能源科技有限公司 | 一种非水电解液以及含有该电解液的锂离子电池 |
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| KR102858137B1 (ko) * | 2020-02-28 | 2025-09-11 | 주식회사 엘지에너지솔루션 | 이차전지의 제조방법 |
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| CN115893439B (zh) * | 2022-11-30 | 2024-08-20 | 海南大学 | 一种通过不同pH的水溶液浸泡提升电化学性能的LiBC电极材料及其方法 |
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2007
- 2007-02-16 KR KR1020070016613A patent/KR100793010B1/ko active Active
-
2008
- 2008-02-14 US US12/526,110 patent/US20100313410A1/en not_active Abandoned
- 2008-02-14 EP EP08722954.8A patent/EP2115807B1/en active Active
- 2008-02-14 CN CNA2008800048592A patent/CN101606264A/zh active Pending
- 2008-02-14 JP JP2009549526A patent/JP5395675B2/ja active Active
- 2008-02-14 WO PCT/KR2008/000865 patent/WO2008100090A1/en not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5395675B2 (ja) | 2014-01-22 |
| EP2115807A1 (en) | 2009-11-11 |
| CN101606264A (zh) | 2009-12-16 |
| WO2008100090A1 (en) | 2008-08-21 |
| KR100793010B1 (ko) | 2008-01-08 |
| US20100313410A1 (en) | 2010-12-16 |
| EP2115807A4 (en) | 2012-06-20 |
| EP2115807B1 (en) | 2014-05-28 |
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