JP2012505504A - 変性複合酸化物を活性物質として含む電極 - Google Patents
変性複合酸化物を活性物質として含む電極 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 52
- 239000013543 active substance Substances 0.000 title claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 48
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007772 electrode material Substances 0.000 claims abstract description 14
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims abstract description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims abstract description 3
- 229910013275 LiMPO Inorganic materials 0.000 claims abstract description 3
- 229910013716 LiNi Inorganic materials 0.000 claims abstract description 3
- 229910015868 MSiO Inorganic materials 0.000 claims abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052698 phosphorus Inorganic materials 0.000 claims description 32
- 239000011574 phosphorus Substances 0.000 claims description 32
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical group OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- 239000003792 electrolyte Substances 0.000 claims description 12
- 229910001416 lithium ion Inorganic materials 0.000 claims description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011149 active material Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
- 229910008365 Li-Sn Inorganic materials 0.000 claims description 4
- 229910010199 LiAl Inorganic materials 0.000 claims description 4
- 229910006759 Li—Sn Inorganic materials 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 229910003002 lithium salt Inorganic materials 0.000 claims description 4
- 159000000002 lithium salts Chemical class 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 229910002975 Cd Pb Inorganic materials 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910000733 Li alloy Inorganic materials 0.000 claims description 2
- 229910008367 Li-Pb Inorganic materials 0.000 claims description 2
- 229910006738 Li—Pb Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 239000001989 lithium alloy Substances 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 238000007792 addition Methods 0.000 claims 2
- 238000006116 polymerization reaction Methods 0.000 claims 2
- 238000006467 substitution reaction Methods 0.000 claims 2
- 239000000243 solution Substances 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- -1 and a dry Substances 0.000 description 3
- 238000000921 elemental analysis Methods 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
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- 230000009467 reduction Effects 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
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- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910010941 LiFSI Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 229910016049 LixMOy Inorganic materials 0.000 description 1
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BNMJSBUIDQYHIN-UHFFFAOYSA-N butyl dihydrogen phosphate Chemical compound CCCCOP(O)(O)=O BNMJSBUIDQYHIN-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- QPPQHRDVPBTVEV-UHFFFAOYSA-N isopropyl dihydrogen phosphate Chemical compound CC(C)OP(O)(O)=O QPPQHRDVPBTVEV-UHFFFAOYSA-N 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 description 1
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 238000004375 physisorption Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
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Abstract
Description
・三座グラフトによって固定される基[例えばRP又は(RO)P];
・二座グラフトによって固定される基[例えばRP(OR)、R2P又は(RO)2P];
・単座グラフトによって固定される基[例えばP(OR)3、RP(OR)2及びR2P(OR)]:
であることができる(ここで、基Rは水素、1〜10個の炭素原子を有するアルキル基及びフェニル基から選択される同一の又は異なる基であり、この基は置換、付加、縮合又は重合によって反応し得る官能基を有する置換基1個以上を随意に有していてよい)。
・「未変性複合酸化物」とは、その表面上にOH基を持つ複合酸化物、即ち通常の貯蔵条件下、空気及び/又は湿気の存在下にある時のような複合酸化物を意味する;
・「変性複合酸化物」とは、リン含有試薬で処理した後に得られる材料、即ち表面上に上で定義したリン含有基を有する複合酸化物を意味する。
・変性複合酸化物の粒子:50〜90重量%、好ましくは70重量%、
・電子伝導特性を付与する材料:10〜30重量%、好ましくは30重量%、及び
・随意としての機械的特性を付与する材料:最大10重量%
を含むことができる。
未変性のLiV3O8の粒子に基づく電極の表面の50サイクル後の顕微鏡写真(左の顕微鏡写真)及びLiV3O8−PPOの粒子に基づく電極の表面の70サイクル後の顕微鏡写真(右の顕微鏡写真)を示す。
Claims (20)
- 電極材料を有する電気伝導性支持体を含む電極であって、前記電極材料が複合酸化物の粒子から成る活性物質を含み且つこの複合酸化物の粒子がその表面上に共有結合で固定された有機リン含有基を有すること、並びに前記の複合酸化物の粒子の表面上の前記有機リン含有基の被覆率が40〜60%の範囲であることを特徴とする、前記電極。
- 前記の複合酸化物の粒子の表面上の前記有機リン含有基の被覆率が50%ほどであることを特徴とする、請求項1に記載の電極。
- 前記有機リン含有基が三座グラフト、二座グラフト又は単座グラフトによって固定されたことを特徴とする、請求項1又は2に記載の電極。
- 前記有機リン含有基がRP、(RO)P、RP(OR)、R2P、(RO)2P、RP(OR)2、(RO)3P、R2P(OR)(ここで、基Rは水素、1〜10個の炭素原子を有するアルキル基及びフェニル基から選択される同一の又は異なる基であり、この基は置換、付加、縮合又は重合によって反応し得る官能基を有する置換基1個以上を随意に有していてよい)から選択されることを特徴とする、請求項1〜3のいずれかに記載の電極。
- 前記の複合酸化物の粒子がLiV3O8、LiMn2O4、LiCoO2、LiMPO4(M=Fe、Mn又はCo)、Li2MSiO4(M=Fe、Mn又はCo)、LiFeBO3、Li4Ti5O12、LiMn2O4、LiNi1-y-zMnyCozAltO2(0<y<1;0<z<1;0<t<1)、V2O5、MnO2、LiFePO4F、Li3V2(PO4)3及びLiVPO4Fの粒子から選択されることを特徴とする、請求項1〜4のいずれかに記載の電極。
- 前記活性物質がイオン伝導特性を付与する材料、電子伝導特性を付与する材料及び随意としての機械的特性を付与する材料から選択される少なくとも1種の成分をさらに含むことを特徴とする、請求項1〜5のいずれかに記載の電極。
- 前記のイオン伝導特性を付与する材料がリチウム塩であることを特徴とする、請求項6に記載の電極。
- 前記の電子伝導特性を付与する材料がカーボンであることを特徴とする、請求項6に記載の電極。
- 前記の機械的特性を付与する材料が有機バインダーであることを特徴とする、請求項6に記載の電極。
- 前記電極材料が変性された複合酸化物の粒子50〜90重量%、電子伝導特性を付与する材料10〜30重量%及び随意としての機械的特性を付与する材料10重量%以下を含むことを特徴とする、請求項6に記載の電極。
- 前記電極材料が変性された複合酸化物の粒子70重量%及び電子伝導特性を付与する材料30重量%を含むことを特徴とする、請求項9に記載の電極。
- 前記電気伝導性支持体が陽極についてはアルミニウム製の集電体であり、陰極については銅製の集電体であることを特徴とする、請求項1〜11のいずれかに記載の電極。
- 請求項1〜12のいずれかに記載の電極の製造方法であって、複合酸化物とP=O基を有するリン含有試薬との反応によって変性複合酸化物を調製することから成る工程及び得られた変性複合酸化物を電気伝導性支持体上に付着させる工程を含むことを特徴とする、前記方法。
- 前記リン含有試薬が式R3-n(RO)nP=O(ここで、nは1〜3の範囲の整数であり、基Rは水素、1〜10個の炭素原子を有するアルキル基及びフェニル基から選択される同一の又は異なる基であり、この基は置換、付加、縮合又は重合によって反応し得る官能基を有する置換基1個以上を随意に有していてよい)に相当することを特徴とする、請求項13に記載の方法。
- 前記リン含有試薬がフェニルホスホン酸(PPO)であることを特徴とする、請求項13又は14に記載の方法。
- 前記の変性複合酸化物の調製工程を24時間実施することを特徴とする、請求項13〜15のいずれかに記載の方法。
- 溶剤中の溶液状のリチウム塩を含む電解質によって隔てられた陽極及び陰極を含み、その機能が前記電極間のリチウムイオンの可逆的循環によって保証されるリチウムバッテリーであって、前記電極の少なくとも一方が請求項1〜12のいずれかに記載の電極であることを特徴とする、前記リチウムバッテリー。
- 前記の請求項1〜12のいずれかに記載の電極が陽極であることを特徴とする、請求項17に記載のバッテリー。
- 前記陰極が金属リチウム又はβ−LiAl、γ−LiAl、Li−Pb、Li−Cd−Pb、Li−Sn、Li−Sn−Cd及びLi−Sn合金から選択されるリチウム合金から成ることを特徴とする、請求項18に記載のバッテリー。
- 前記陰極が有機バインダー及び低いレドックス電位においてリチウムイオンを可逆的に導入することができる材料を含むことを特徴とする、請求項18に記載のバッテリー。
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| FR0805572A FR2937185B1 (fr) | 2008-10-09 | 2008-10-09 | Electrode comprenant un oxyde complexe modifie comme matiere active. |
| PCT/FR2009/051906 WO2010040950A1 (fr) | 2008-10-09 | 2009-10-07 | Electrode comprenant un oxyde complexe modifie comme matiere active |
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| JP2012234665A (ja) * | 2011-04-28 | 2012-11-29 | Nippon Zeon Co Ltd | リチウム二次電池用負極スラリー組成物、リチウム二次電池用負極の製造方法、リチウム二次電池用負極及びリチウム二次電池 |
| JP2013084565A (ja) * | 2011-09-30 | 2013-05-09 | Fuji Heavy Ind Ltd | 正極材料、これを用いたリチウムイオン二次電池、及び正極材料の製造方法 |
| JP2015018775A (ja) * | 2013-07-12 | 2015-01-29 | 日本電気株式会社 | 二次電池用負極およびその製造方法、それを用いた二次電池 |
| JP7521287B2 (ja) | 2020-07-13 | 2024-07-24 | 株式会社Gsユアサ | 正極活物質粒子、その製造方法、蓄電素子、及び蓄電装置 |
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| WO2012038412A1 (de) * | 2010-09-21 | 2012-03-29 | Basf Se | Verfahren zur herstellung von oberflächenmodifizierten elektrodenmaterialien |
| US9449729B2 (en) | 2010-09-21 | 2016-09-20 | Basf Se | Process for producing electrode materials |
| CN102637854B (zh) * | 2011-02-15 | 2014-06-25 | 北京宏福源科技有限公司 | 一种锂离子电池多阴离子正极材料的制备方法 |
| KR101266752B1 (ko) * | 2011-03-14 | 2013-05-28 | 공주대학교 산학협력단 | 표면처리된 스피넬 리튬 티타늄 옥사이드의 제조방법 및 상기 스피넬 리튬 티타늄 옥사이드를 음극재로 이용하여 제조된 리튬이차전지 |
| US9263736B2 (en) * | 2012-03-27 | 2016-02-16 | Tdk Corporation | Positive electrode material for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery |
| CN103682355A (zh) * | 2012-09-18 | 2014-03-26 | 华为技术有限公司 | 复合硅酸盐正极材料、锂电池及其制备方法、通信设备 |
| WO2015179831A1 (en) * | 2014-05-23 | 2015-11-26 | Battelle Energy Alliance, Llc | Electrolyte solutions including a phosphoranimine compound, and energy storage devices including same |
| US10670936B2 (en) * | 2014-07-23 | 2020-06-02 | Kinestral Technologies, Inc. | Wet-coating of thin film lithium nickel oxides for electrochromic applications |
| CN105482498A (zh) * | 2015-11-30 | 2016-04-13 | 东华大学 | 一种有机磷杂化α-ZrP阻燃材料及其制备方法 |
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| EP2351126A1 (fr) | 2011-08-03 |
| CA2739699A1 (fr) | 2010-04-15 |
| WO2010040950A1 (fr) | 2010-04-15 |
| US20120077081A9 (en) | 2012-03-29 |
| FR2937185A1 (fr) | 2010-04-16 |
| US20110250497A1 (en) | 2011-10-13 |
| KR20110070900A (ko) | 2011-06-24 |
| EP2351126B1 (fr) | 2013-09-11 |
| CA2739699C (fr) | 2017-01-17 |
| CN102210048B (zh) | 2014-04-30 |
| CN102210048A (zh) | 2011-10-05 |
| ES2439270T3 (es) | 2014-01-22 |
| FR2937185B1 (fr) | 2011-02-25 |
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