JP2017224544A - リチウム二次電池用電解液、及び、これを含むリチウム二次電池 - Google Patents
リチウム二次電池用電解液、及び、これを含むリチウム二次電池 Download PDFInfo
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- JP2017224544A JP2017224544A JP2016120360A JP2016120360A JP2017224544A JP 2017224544 A JP2017224544 A JP 2017224544A JP 2016120360 A JP2016120360 A JP 2016120360A JP 2016120360 A JP2016120360 A JP 2016120360A JP 2017224544 A JP2017224544 A JP 2017224544A
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- Prior art keywords
- secondary battery
- lithium secondary
- lithium
- electrolyte
- additive
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- 239000000654 additive Substances 0.000 claims abstract description 20
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 17
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 13
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- 125000002091 cationic group Chemical group 0.000 claims abstract description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 44
- 239000000126 substance Substances 0.000 claims description 29
- -1 1-n-hexylpyridinium ion Chemical class 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000007773 negative electrode material Substances 0.000 abstract description 21
- 230000002708 enhancing effect Effects 0.000 abstract 1
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- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 239000002733 tin-carbon composite material Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
Description
[化学式1]
但し、Xは炭素数1〜10の直鎖状もしくは分岐状のアルキル基である。
[化学式1]
2 負極
3 セパレータ
4 正極
Claims (4)
- リチウム二次電池に用いられるリチウム二次電池用電解液であって、
溶媒と、リチウム塩と、添加剤とを含み、
前記添加剤のカチオン成分は、下記の化学式1で表されるピリジニウムイオンであり、前記添加剤は、前記リチウム二次電池用電解液に対して濃度0.01〜0.5molL-1で含まれることを特徴とするリチウム二次電池用電解液。
[化学式1]
但し、Xは炭素数1〜10の直鎖状もしくは分岐状のアルキル基である。 - 前記化学式1におけるアルキル基は、炭素数が4〜8であ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用電解液。
- 前記化学式1で表される化合物は、1−n−ヘキシルピリジニウムイオン(上記化学式1におけるXが炭素数6の直鎖状のアルキル基)であることを特徴とする請求項1または2に記載のリチウム二次電池用電解液。
- 正極と、
負極と、
請求項1から3のいずれかに記載のリチウム二次電池用電解液とを含むことを特徴とするリチウム二次電池。
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Cited By (1)
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WO2018096889A1 (ja) * | 2016-11-24 | 2018-05-31 | 日本電気株式会社 | 非水電解液、及びリチウムイオン二次電池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003092135A (ja) * | 2001-09-19 | 2003-03-28 | Nobuyuki Koura | リチウム二次電池用電解液及びリチウム二次電池 |
JP2003243030A (ja) * | 2002-02-18 | 2003-08-29 | Sony Corp | 非水電解質電池 |
WO2004051784A1 (ja) * | 2002-11-29 | 2004-06-17 | Yuasa Corporation | 非水電解質及び非水電解質電池 |
JP2006524913A (ja) * | 2003-03-17 | 2006-11-02 | ハネウェル・インターナショナル・インコーポレーテッド | 非水性電解液 |
WO2012057311A1 (ja) * | 2010-10-29 | 2012-05-03 | 旭化成イーマテリアルズ株式会社 | 非水系電解液及び非水系二次電池 |
JP2013020835A (ja) * | 2011-07-12 | 2013-01-31 | Otsuka Chem Co Ltd | 非水電解液及び非水電解液電池 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003092135A (ja) * | 2001-09-19 | 2003-03-28 | Nobuyuki Koura | リチウム二次電池用電解液及びリチウム二次電池 |
JP2003243030A (ja) * | 2002-02-18 | 2003-08-29 | Sony Corp | 非水電解質電池 |
WO2004051784A1 (ja) * | 2002-11-29 | 2004-06-17 | Yuasa Corporation | 非水電解質及び非水電解質電池 |
JP2006524913A (ja) * | 2003-03-17 | 2006-11-02 | ハネウェル・インターナショナル・インコーポレーテッド | 非水性電解液 |
WO2012057311A1 (ja) * | 2010-10-29 | 2012-05-03 | 旭化成イーマテリアルズ株式会社 | 非水系電解液及び非水系二次電池 |
JP2013020835A (ja) * | 2011-07-12 | 2013-01-31 | Otsuka Chem Co Ltd | 非水電解液及び非水電解液電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018096889A1 (ja) * | 2016-11-24 | 2018-05-31 | 日本電気株式会社 | 非水電解液、及びリチウムイオン二次電池 |
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