JP5356011B2 - 二次電池用正極およびこれを用いた二次電池 - Google Patents
二次電池用正極およびこれを用いた二次電池 Download PDFInfo
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- JP5356011B2 JP5356011B2 JP2008328052A JP2008328052A JP5356011B2 JP 5356011 B2 JP5356011 B2 JP 5356011B2 JP 2008328052 A JP2008328052 A JP 2008328052A JP 2008328052 A JP2008328052 A JP 2008328052A JP 5356011 B2 JP5356011 B2 JP 5356011B2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 67
- 229910052742 iron Inorganic materials 0.000 claims description 31
- 239000003792 electrolyte Substances 0.000 claims description 28
- 239000007774 positive electrode material Substances 0.000 claims description 25
- 150000002500 ions Chemical class 0.000 claims description 23
- 229910052744 lithium Inorganic materials 0.000 claims description 20
- FOKDVQZWYLHGGQ-UHFFFAOYSA-N iron(6+) Chemical class [Fe+6] FOKDVQZWYLHGGQ-UHFFFAOYSA-N 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 14
- 239000011575 calcium Substances 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 13
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 13
- 229910052791 calcium Inorganic materials 0.000 claims description 13
- 239000011591 potassium Substances 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 13
- 229910052708 sodium Inorganic materials 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 229910052788 barium Inorganic materials 0.000 claims description 12
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052712 strontium Inorganic materials 0.000 claims description 12
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 12
- 239000003960 organic solvent Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 65
- 238000012360 testing method Methods 0.000 description 30
- 239000002253 acid Substances 0.000 description 28
- 150000003839 salts Chemical class 0.000 description 20
- 239000008151 electrolyte solution Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 239000004020 conductor Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- ZIWNBWQDFGJCNZ-UHFFFAOYSA-N [Fe+6].[Ba+2] Chemical compound [Fe+6].[Ba+2] ZIWNBWQDFGJCNZ-UHFFFAOYSA-N 0.000 description 9
- 229910001338 liquidmetal Inorganic materials 0.000 description 9
- 229910001416 lithium ion Inorganic materials 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 229910013870 LiPF 6 Inorganic materials 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 3
- 229910001863 barium hydroxide Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- AAAOHTUASFPVPX-UHFFFAOYSA-N potassium iron(6+) Chemical compound [K+].[Fe+6] AAAOHTUASFPVPX-UHFFFAOYSA-N 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- CZIKTQOXQPCAAO-UHFFFAOYSA-N [O-2].[Fe+6].[Ba+2].[O-2].[O-2].[O-2] Chemical compound [O-2].[Fe+6].[Ba+2].[O-2].[O-2].[O-2] CZIKTQOXQPCAAO-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007040 multi-step synthesis reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
Images
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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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
本発明に係る二次電池用正極は、鉄系基材上に化学式がAI 2FeO4、または、AIIFeO4で表される鉄(VI)酸塩(式中、Aはリチウム、ナトリウム、カリウム、バリウム、ストロンチウムまたはカルシウムの群から選択された少なくとも1種を表す)を有した正極活物質を備えたことを特徴とする。
BaFeO4 + Ba2+ + 2e− → Ba2FeO4 ・・・・・・(1)
Li2FeO4 + 2Li+ +2e− → Li4FeO4 ・・・・・・(2)
BaFeO4 + 2Li+ + 2e− → BaLi2FeO4 ・・・・・(3)
Li2FeO4 + Ba2+ + 2e− → BaLi2FeO4 ・・・(4)
Ba0.5LiFeO4 + Ba2+ + 2e− → Ba1.5LiFeO4 ・・・(5)
Ba0.5LiFeO4 + 2Li+ + 2e− → Ba0.5Li3FeO4 ・・(6)
図1は本発明に係る二次電池用正極の一生成方法(陽極酸化)を説明するための模式図である。図1において、1は容器、2は正極側に接続された鉄系基材としての表面が脱脂された純鉄製の板、3は負極側に接続された純鉄製の板、4は容器1に注がれた電解液である。
図2、図3は本発明に係る二次電池の一実施例を説明するための模式構成図である。
2、3 純鉄製の板
4 電解液
10、20 正極
11、21 負極
11a Liイオンを層間に保持したグラファイト
11b 銅箔
12、22 イオン伝導性電解液
21a 液体状の金属体
21b Liリボン
Claims (4)
- 鉄系基材上に化学式がAI 2FeO4、または、AIIFeO4で表される鉄(VI)酸塩(式中、Aはリチウム、ナトリウム、カリウム、バリウム、ストロンチウムまたはカルシウムの群から選択された少なくとも1種を表す)を有した正極活物質を備え、
前記正極活物質は、陽極酸化により形成されており、
前記陽極酸化には、リチウム、ナトリウム、カリウム、バリウム、ストロンチウムまたはカルシウムの群から選択された少なくとも1種を含む水酸化物の水溶液が用いられたことを特徴とする二次電池用正極。 - 請求項1に記載の二次電池用正極と、負極と、前記二次電池用正極と負極間に配置されたイオン伝導性電解液とを備えたことを特徴とする二次電池。
- 前記負極は、少なくともLiを含み、前記イオン伝導性電解液は、Liを含む電解質が有機溶媒に溶解されたものである請求項2に記載の二次電池。
- 前記負極は、Liからなる芯がLiと炭素系材料の複合材、または、Li、Gaを含有する液状合金材で覆われたものであり、前記イオン伝導性電解液は、カーボネート系有機溶媒を含むものである請求項2または3に記載の二次電池。
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JP2008328052A JP5356011B2 (ja) | 2008-12-24 | 2008-12-24 | 二次電池用正極およびこれを用いた二次電池 |
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JP2008328052A JP5356011B2 (ja) | 2008-12-24 | 2008-12-24 | 二次電池用正極およびこれを用いた二次電池 |
Publications (2)
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JP2010153122A JP2010153122A (ja) | 2010-07-08 |
JP5356011B2 true JP5356011B2 (ja) | 2013-12-04 |
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JP2008328052A Expired - Fee Related JP5356011B2 (ja) | 2008-12-24 | 2008-12-24 | 二次電池用正極およびこれを用いた二次電池 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7097540B2 (ja) | 2017-01-31 | 2022-07-08 | 日本電気株式会社 | リチウムイオン二次電池用リチウムマンガン系複合酸化物及びその製造方法、並びにそれを用いた正極材料、正極及びリチウムイオン二次電池 |
CN113258035B (zh) * | 2021-05-12 | 2022-05-17 | 哈尔滨工业大学 | 一种具有固液相转化机制的无枝晶合金负极及其制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4395898B2 (ja) * | 1997-06-03 | 2010-01-13 | パナソニック株式会社 | 非水電解質二次電池用負極材料とそれら負極材料を用いた非水電解質二次電池 |
JP2001126729A (ja) * | 1999-10-28 | 2001-05-11 | Toshiba Corp | 非水電解質二次電池 |
JP3895903B2 (ja) * | 2000-05-10 | 2007-03-22 | 三洋電機株式会社 | 非水電解質二次電池 |
JP2002175816A (ja) * | 2000-12-07 | 2002-06-21 | Toshiba Battery Co Ltd | 鉄酸塩電池およびその製造方法 |
JP2002373707A (ja) * | 2001-06-14 | 2002-12-26 | Nec Corp | リチウム二次電池及びリチウム二次電池の製造方法 |
JP5342188B2 (ja) * | 2008-06-05 | 2013-11-13 | 株式会社コベルコ科研 | 二次電池用負極活物質およびこれを用いた二次電池 |
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