JP4984524B2 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
- Publication number
- JP4984524B2 JP4984524B2 JP2005370855A JP2005370855A JP4984524B2 JP 4984524 B2 JP4984524 B2 JP 4984524B2 JP 2005370855 A JP2005370855 A JP 2005370855A JP 2005370855 A JP2005370855 A JP 2005370855A JP 4984524 B2 JP4984524 B2 JP 4984524B2
- Authority
- JP
- Japan
- Prior art keywords
- sulfate
- positive electrode
- aqueous electrolyte
- phosphate
- electrolyte secondary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 65
- -1 cyclic sulfate compound Chemical class 0.000 claims description 69
- 239000007774 positive electrode material Substances 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 6
- 229910021314 NaFeO 2 Inorganic materials 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 18
- 239000000654 additive Substances 0.000 description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 15
- 239000007784 solid electrolyte Substances 0.000 description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 230000000996 additive effect Effects 0.000 description 12
- 238000007600 charging Methods 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 10
- 239000011572 manganese Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 8
- 239000003575 carbonaceous material Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 239000010452 phosphate Substances 0.000 description 8
- 235000021317 phosphate Nutrition 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XDLVYYYGCNMREZ-UHFFFAOYSA-N propane-1,2-diol;sulfuric acid Chemical compound CC(O)CO.OS(O)(=O)=O XDLVYYYGCNMREZ-UHFFFAOYSA-N 0.000 description 7
- QJMMCGKXBZVAEI-UHFFFAOYSA-N tris(trimethylsilyl) phosphate Chemical compound C[Si](C)(C)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C QJMMCGKXBZVAEI-UHFFFAOYSA-N 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 150000002736 metal compounds Chemical class 0.000 description 4
- 239000012982 microporous membrane Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- 239000011149 active material Substances 0.000 description 3
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- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
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- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
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- 239000000057 synthetic resin Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- FVCJARXRCUNQQS-UHFFFAOYSA-N trimethylsilyl dihydrogen phosphate Chemical compound C[Si](C)(C)OP(O)(O)=O FVCJARXRCUNQQS-UHFFFAOYSA-N 0.000 description 3
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- FCSSPCOFDUKHPV-UHFFFAOYSA-N 2-Propenyl propyl disulfide Chemical compound CCCSSCC=C FCSSPCOFDUKHPV-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
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- UBJVUCKUDDKUJF-UHFFFAOYSA-N Diallyl sulfide Chemical compound C=CCSCC=C UBJVUCKUDDKUJF-UHFFFAOYSA-N 0.000 description 2
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- ZERULLAPCVRMCO-UHFFFAOYSA-N Dipropyl sulfide Chemical compound CCCSCCC ZERULLAPCVRMCO-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
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- 229910013872 LiPF Inorganic materials 0.000 description 2
- 101150058243 Lipf gene Proteins 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical group [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- ITAPPIWTGWUYNX-UHFFFAOYSA-N butane-1,2-diol;sulfuric acid Chemical compound OS(O)(=O)=O.CCC(O)CO ITAPPIWTGWUYNX-UHFFFAOYSA-N 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- PFRGXCVKLLPLIP-UHFFFAOYSA-N diallyl disulfide Chemical compound C=CCSSCC=C PFRGXCVKLLPLIP-UHFFFAOYSA-N 0.000 description 2
- KHEAWOWZPDLMMK-UHFFFAOYSA-N diethyl trimethylsilyl phosphate Chemical compound CCOP(=O)(OCC)O[Si](C)(C)C KHEAWOWZPDLMMK-UHFFFAOYSA-N 0.000 description 2
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- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
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- YIKQLNRXIWIZFA-UHFFFAOYSA-N silyl dihydrogen phosphate Chemical class OP(O)(=O)O[SiH3] YIKQLNRXIWIZFA-UHFFFAOYSA-N 0.000 description 2
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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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Description
本発明は、低温においても優れた入出力性能を有する非水電解質二次電池を提供することを課題(目的)とする。
前記に例示の正極活物質を用いることで、硫酸エステル化合物とリン酸シリルエステル化合物混合添加剤の効果が特異的に認められ、正極/電解液界面の電荷移動抵抗を大幅に抑制し、低温から高温まで広範囲な温度領域での入出力性能を飛躍的に向上させることができる。
図1は、本実施例の角形非水電解質二次電池の概略断面図である。この角形非水電解質二次電池1は、アルミニウム集電体に正極合材を塗布してなる正極3と、銅集電体に負極合材を塗布してなる負極4とがセパレータ5を介して巻回された巻回型電極群2と、非水電解質とを電池ケース6に収納してなる、幅34mm×高さ50mm×厚さ5.0mmのものである。
実施例2〜5および比較例1〜5の電池については、表1に示すように、正極活物質の組成を変化させた以外は、実施例1と同様にして、非水電解質二次電池を各3セルずつ作製した。なお、比較例5においては、スピネル型結晶構造を有するリチウムマンガン酸化物LiMn2O4を正極活物質として用いた。
1,2−プロパンジオール硫酸エステル及びリン酸トリス(トリメチルシリル)に代えて、ビニレンカーボネートを1重量%電解液に添加し、表1に示すように、正極活物質の組成を変化させた以外は実施例1と同様にして、非水電解質二次電池を各3セルずつ作製した。
1,2−プロパンジオール硫酸エステル及びリン酸トリス(トリメチルシリル)を加えず、表1に示すように、正極活物質の組成を変化させた以外は実施例1と同様にして、非水電解質二次電池を各3セルずつ作製した。
表1に抵抗増加率を示す。
表1に示すように、実施例4と比較例8、比較例1と比較例9を比較すると、1,2−プロパンジオール硫酸エステル及びリン酸トリス(トリメチルシリル)を加えた場合は、加えない場合に比べて、初期抵抗値及び長期放置による抵抗増加率が低いことが明らかとなった。特に、抵抗増加率については、比較例6、7の結果から明らかなように、従来の添加剤であるビニレンカーボネートを用いた場合には、正極活物質組成を本発明の範囲内のものとしても、大きな抑制効果が認められなかった。
次に、1,2−プロパンジオール硫酸エステル及びリン酸トリス(トリメチルシリル)を加えた場合において、正極活物質としてLixMnaNibCocOd(0<x<1.3、a+b+c=1、1.7≦d≦2.3)において、|a−b|<0.03であるものを用いた実施例1〜5、及び比較例1における初期抵抗の値Raと抵抗増加率(%)を上記組成式中の係数cの値に対してプロットしたグラフを図2に示す。
2 巻回型電極群
3 正極
4 負極
5 セパレータ
6 電池ケース
7 電池蓋
8 安全弁
9 負極端子
10 正極リード
11 負極リード
Claims (1)
- 正極、負極及び非水電解質を備えた非水電解質二次電池において、前記非水電解質中に,0.02〜0.2Mの炭素数3以上の環状硫酸エステル化合物と0.005〜0.04Mのリン酸トリス(トリメチルシリル)とを含み,前記正極が含有する正極活物質は、層状のα−NaFeO2型結晶構造を有する複合酸化物LixMnaNibCocOd(0<x<1.3、a+b+c=1、1.7≦d≦2. 3)であって、|a−b|<0.03であり、且つ0.33≦c<1である非水電解質二次電池。
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| US9209479B2 (en) | 2005-10-12 | 2015-12-08 | Mitsui Chemicals, Inc. | Nonaqueous electrolyte solution and lithium secondary battery using same |
| KR20100137415A (ko) * | 2008-03-05 | 2010-12-30 | 가부시키가이샤 지에스 유아사 | 비수 전해질 전지 |
| CN102113163B (zh) * | 2008-08-06 | 2015-01-21 | 三井化学株式会社 | 非水电解液以及锂二次电池 |
| JP2011014476A (ja) * | 2009-07-06 | 2011-01-20 | Hitachi Vehicle Energy Ltd | リチウムイオン二次電池 |
| JP5549438B2 (ja) * | 2009-07-30 | 2014-07-16 | 三菱化学株式会社 | 非水系電解液及びそれを用いた非水系電解液二次電池 |
| EP2573854B1 (en) | 2010-05-21 | 2017-01-04 | Mitsui Chemicals, Inc. | Non-aqueous electrolyte solution containing silyl ester group-containing phosphonic acid derivative, and lithium secondary battery |
| JP5552077B2 (ja) * | 2011-02-25 | 2014-07-16 | 三井化学株式会社 | リン誘導体を含有する非水電解液及びリチウム二次電池 |
| US9716290B2 (en) | 2012-10-03 | 2017-07-25 | Gs Yuasa International Ltd. | Nonaqueous electrolyte secondary battery and method for producing nonaqueous electrolyte secondary battery |
| US9040203B2 (en) | 2013-01-16 | 2015-05-26 | Samsung Sdi Co., Ltd. | Lithium battery |
| KR101973055B1 (ko) | 2013-01-29 | 2019-04-26 | 삼성에스디아이 주식회사 | 회로보호모듈 일체형 캡 조립체, 캡 조립체의 제조 방법, 및 이차 전지 |
| US9716265B2 (en) * | 2014-08-01 | 2017-07-25 | Apple Inc. | High-density precursor for manufacture of composite metal oxide cathodes for Li-ion batteries |
| JP6607695B2 (ja) * | 2015-05-01 | 2019-11-20 | 三井化学株式会社 | 電池用非水電解液、及びリチウム二次電池 |
| CN114068898A (zh) | 2016-03-14 | 2022-02-18 | 苹果公司 | 用于锂离子电池的阴极活性材料 |
| HUE060241T2 (hu) * | 2016-07-22 | 2023-02-28 | Daikin Ind Ltd | Elektrolitoldat, elektrokémiai eszköz, másodlagos akkumulátor és modul |
| CN112158891B (zh) | 2016-09-20 | 2023-03-31 | 苹果公司 | 具有改善的颗粒形态的阴极活性材料 |
| WO2018057621A1 (en) | 2016-09-21 | 2018-03-29 | Apple Inc. | Surface stabilized cathode material for lithium ion batteries and synthesizing method of the same |
| JPWO2018123085A1 (ja) * | 2016-12-26 | 2019-10-31 | マクセルホールディングス株式会社 | 非水電解液二次電池 |
| US11695108B2 (en) | 2018-08-02 | 2023-07-04 | Apple Inc. | Oxide mixture and complex oxide coatings for cathode materials |
| US11749799B2 (en) | 2018-08-17 | 2023-09-05 | Apple Inc. | Coatings for cathode active materials |
| CN110265716B (zh) * | 2019-06-13 | 2021-12-10 | 东莞维科电池有限公司 | 一种锂离子电池电解液及锂离子电池 |
| US11757096B2 (en) | 2019-08-21 | 2023-09-12 | Apple Inc. | Aluminum-doped lithium cobalt manganese oxide batteries |
| US12074321B2 (en) | 2019-08-21 | 2024-08-27 | Apple Inc. | Cathode active materials for lithium ion batteries |
| US12206100B2 (en) | 2019-08-21 | 2025-01-21 | Apple Inc. | Mono-grain cathode materials |
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| JP4625231B2 (ja) * | 2002-04-18 | 2011-02-02 | 株式会社Gsユアサ | 非水系二次電池 |
| JP4607488B2 (ja) * | 2003-04-25 | 2011-01-05 | 三井化学株式会社 | リチウム電池用非水電解液およびその製造方法ならびにリチウムイオン二次電池 |
| US20070072086A1 (en) * | 2003-05-15 | 2007-03-29 | Yuasa Corporation | Nonaqueous electrolyte cell |
| JP5036121B2 (ja) * | 2003-08-08 | 2012-09-26 | 三洋電機株式会社 | 非水電解質二次電池 |
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