JP2023507047A - カチオン無秩序岩塩リチウムマンガン酸化物または酸化フッ化物 - Google Patents
カチオン無秩序岩塩リチウムマンガン酸化物または酸化フッ化物 Download PDFInfo
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 10
- 235000002639 sodium chloride Nutrition 0.000 title claims abstract description 10
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 9
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 title claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 title 1
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 title 1
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 14
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- 239000002243 precursor Substances 0.000 claims description 10
- 239000007772 electrode material Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 3
- 229910017205 LixMn2 Inorganic materials 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(III) oxide Inorganic materials O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 claims description 3
- 239000002482 conductive additive Substances 0.000 claims description 2
- VASIZKWUTCETSD-UHFFFAOYSA-N manganese(II) oxide Inorganic materials [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 63
- 239000000126 substance Substances 0.000 abstract description 14
- 239000010406 cathode material Substances 0.000 abstract description 11
- 239000011572 manganese Substances 0.000 description 48
- 239000000463 material Substances 0.000 description 22
- 230000001351 cycling effect Effects 0.000 description 14
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 8
- 238000002003 electron diffraction Methods 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 229910052723 transition metal Inorganic materials 0.000 description 8
- 150000003624 transition metals Chemical class 0.000 description 8
- 238000004627 transmission electron microscopy Methods 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 238000003775 Density Functional Theory Methods 0.000 description 6
- 239000011149 active material Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000005325 percolation Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000012552 review Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- MMIPFLVOWGHZQD-UHFFFAOYSA-N manganese(3+) Chemical compound [Mn+3] MMIPFLVOWGHZQD-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910002983 Li2MnO3 Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003682 fluorination reaction Methods 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229910006561 Li—F Inorganic materials 0.000 description 2
- 238000002056 X-ray absorption spectroscopy Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006664 bond formation reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 208000020960 lithium transport Diseases 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000001350 scanning transmission electron microscopy Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 229910008090 Li-Mn-O Inorganic materials 0.000 description 1
- 229910012599 Li3NbO4 Inorganic materials 0.000 description 1
- 229910011854 Li4Mn2O5 Inorganic materials 0.000 description 1
- 229910002993 LiMnO2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910006369 Li—Mn—O Inorganic materials 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 229910018672 Mn—F Inorganic materials 0.000 description 1
- 238000012614 Monte-Carlo sampling Methods 0.000 description 1
- PJPWPNYVKVGFBH-UHFFFAOYSA-N O(F)F.[Mn].[Li] Chemical compound O(F)F.[Mn].[Li] PJPWPNYVKVGFBH-UHFFFAOYSA-N 0.000 description 1
- 238000003991 Rietveld refinement Methods 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000005284 basis set Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000002790 cross-validation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000248 direct current plasma atomic emission spectroscopy Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000000619 electron energy-loss spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010442 halite Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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Abstract
Description
Li1.3333Mn(III)0.6667O1.3333F0.6667、
Li1.3333Mn(III)0.5Mn(IV)0.1667O1.5F0.5、
Li1.3333Mn(III)0.3333Mn(IV)0.3333O1.6667F0.3333、
Li1.25Mn(II)0.1667Mn(III)0.5833O1.3333F0.6667、および
Li1.1667Mn(II)0.3333Mn(III)0.5O1.3333F0.6667などの好ましい実施形態を含んでいる。
Li1.3333Mn(III)0.6667O1.3333F0.6667(以下HLF67)
Li1.3333Mn(III)0.5Mn(IV)0.1667O1.5F0.5(以下HLF50)
Li1.3333Mn(III)0.3333Mn(IV)0.3333O1.6667F0.3333(以下HLF33)
Li1.25Mn(II)0.1667Mn(III)0.5833O1.3333F0.6667(以下LLF67)および
Li1.1667Mn(II)0.3333Mn(III)0.5O1.3333F0.6667(以下L167F67)
などの、Li-Mn-O-F (LixMn2-xO2-yFy) DRX化学空間、(1.1 ≦ x ≦ 1.333)および(0 ≦ y ≦ 0.6667)、における組成を扱う。
上述した例示的な組成のうちHLF67、HLF50、HLF33およびLLF67は、カソード構築用に有望な特質を示しており、L167F67は、目標とする化学空間における設計原理をさらに例示している。本明細書では、設計原理のさらなる実証として、組成Li2MnO3に関する考察をも提示している。元素分析は、下記の表S1に示すように、研究した組成が目標限度内となることを立証している。
1 Kang, B.他 Battery materials for ultrafast chargingand discharging. Nature 458, 190 (2009年)
2 P. Barpanda他 Nature materials 10, 772-779 (2011年).
3 Kang, K.他 Electrodes with high power and high capacityfor rechargeable lithiumbatteries. Science311, 977-980 (2006年)
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Claims (30)
- 一般式LixMn2-xO2-yFyを有するリチウム金属酸化物または酸化フッ化物化合物であって、式中1.1 ≦ x ≦ 1.3333、0 ≦ y ≦ 0.6667とされている、化合物。
- 当該化合物は、Li1.3333Mn(III)0.6667O1.3333F0.6667とされている、請求項1に記載の化合物。
- 当該化合物は、Li1.3333Mn(III)0.5Mn(IV)0.1667O1.5F0.5とされている、請求項1に記載の化合物。
- 当該化合物は、Li1.3333Mn(III)0.3333Mn(IV)0.3333O1.6667F0.3333とされている、請求項1に記載の化合物。
- 当該化合物は、Li1.25Mn(II)0.1667Mn(III)0.5833O1.3333F0.6667とされている、請求項1に記載の化合物。
- 当該化合物は、Li1.1667Mn(II)0.3333Mn(III)0.5O1.3333F0.6667とされている、請求項1に記載の化合物。
- 当該化合物は、カチオン無秩序岩塩(DRX)構造とされている、請求項1~6のいずれか1項に記載の化合物。
- 前記DRX構造は、0-TMチャネルを通じて、低エネルギーのLi移動に適合されている、請求項7に記載の化合物。
- 前記DRX構造は、4.2141Å~4.1184Åの間の格子定数を有している、請求項7または8に記載の化合物。
- 前記DRX構造は、4.1477Å~4.1635Åの間の格子定数を有している、請求項7~9のいずれか1項に記載の化合物。
- 当該化合物は、充電および放電段階中に、O2および/またはMn酸化還元を利用するよう適合されている、請求項1~10のいずれか1項に記載の化合物。
- 当該化合物は、1.5~4.8Vの範囲で30サイクルにわたり、242~336mAh g-1の平均容量を示す、請求項1~11のいずれか1項に記載の化合物。
- 当該化合物は、1.5~4.8Vの範囲で30サイクルにわたり、284~336mAh g-1の平均容量を示す、請求項1~12のいずれか1項に記載の化合物。
- 当該化合物は、1.5~4.8Vの範囲で30サイクルにわたり、771~1059Wh kg -1の比エネルギーを示す、請求項1~13のいずれか1項に記載の化合物。
- 当該化合物は、1.5~4.8Vの範囲で30サイクルにわたり、909~1059Wh kg -1の比エネルギーを示す、請求項1~14のいずれか1項に記載の化合物。
- 当該化合物は、1.5~5.0Vの範囲で30サイクルにわたり、256~349mAh g-1の平均容量を示す、請求項1~11のいずれか1項に記載の化合物。
- 当該化合物は、1.5~5.0Vの範囲で30サイクルにわたり、319~349mAh g-1の平均容量を示す、請求項1~11または16のいずれか1項に記載の化合物。
- 当該化合物は、1.5~5.0Vの範囲で30サイクルにわたり、822~1068Wh kg -1の比エネルギーを示す、請求項1~11のいずれか1項または請求項16もしくは17に記載の化合物。
- 当該化合物は、1.5~5.0Vの範囲で30サイクルにわたり、1016~1068Wh kg -1の比エネルギーを示す、請求項1~11のいずれか1項または請求項16~18のいずれか1項に記載の化合物。
- 請求項1~19のいずれか1項に記載の化合物を備える、電極材料。
- 電解質と、
請求項20に記載の電極材料とを備える、リチウムイオン電池。 - 前記電極材料はカソードを形成している、請求項21に記載のリチウムイオン電池。
- 前記カソードは、電極材料、導電性の添加剤およびポリテトラフルオロエチレン(PTFE)を、それぞれ70:20:10の重量比で備えるカソード膜とされている、請求項22に記載のリチウムイオン電池。
- 電解質と、アノードと、カソードとを備え、
前記電解質、前記アノードおよび前記カソードの少なくとも1つが、少なくとも部分的に、請求項1~19のいずれか1項に記載の化合物で構成されている、リチウムイオン電池。 - 請求項21~24のいずれか1項に記載のリチウムイオン電池を備える、携帯型の電子機器、自動車、または、エネルギー貯蔵システム。
- 請求項1~19のいずれか1項に記載の化合物を形成する方法であって、
Li、Mn、OおよびFで構成される化学量論化合物の集合体を組み合わせて、前駆体粉末を産生するステップと、
前記前駆体粉末を機械的に混合して、機械化学的な合金化により相純粋な粉末を得るステップとを含む、方法。 - 前記前駆体粉末を、遊星ボールミルに投入することにより、機械的に混合する、請求項26に記載の方法。
- 前記前駆体粉末を、前記遊星ボールミル中で40~55時間混合する、請求項26または27に記載の方法。
- 前記前駆体粉末を、前記遊星ボールミル中で40~50時間混合する、請求項26~28のいずれか1項に記載の方法。
- Li、Mn、OおよびFで構成される化学量論化合物の前記集合体は、化学量論的なLi2O、MnO、Mn2O3、MnO2およびLiFを備えている、請求項26~29のいずれか1項に記載の方法。
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US20170005332A1 (en) * | 2014-03-20 | 2017-01-05 | Karlsruher Institut für Technologie | Oxyfluoride compounds for lithium-cells and batteries |
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