JP5634865B2 - ガーネット構造を有するイオン伝導体 - Google Patents
ガーネット構造を有するイオン伝導体 Download PDFInfo
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- JP5634865B2 JP5634865B2 JP2010513778A JP2010513778A JP5634865B2 JP 5634865 B2 JP5634865 B2 JP 5634865B2 JP 2010513778 A JP2010513778 A JP 2010513778A JP 2010513778 A JP2010513778 A JP 2010513778A JP 5634865 B2 JP5634865 B2 JP 5634865B2
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- solid
- garnet
- ionic conductor
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- 239000010416 ion conductor Substances 0.000 title claims description 51
- 239000002223 garnet Substances 0.000 title description 11
- 239000007787 solid Substances 0.000 claims description 31
- 150000001768 cations Chemical class 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 150000001450 anions Chemical class 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000003746 solid phase reaction Methods 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 3
- -1 alkaline earth metal cation Chemical class 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000008188 pellet Substances 0.000 description 47
- 229910001416 lithium ion Inorganic materials 0.000 description 29
- 229910052744 lithium Inorganic materials 0.000 description 27
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 24
- 150000001875 compounds Chemical class 0.000 description 19
- 239000000463 material Substances 0.000 description 13
- 239000010955 niobium Substances 0.000 description 10
- 239000007784 solid electrolyte Substances 0.000 description 10
- 229910052758 niobium Inorganic materials 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- 229910052715 tantalum Inorganic materials 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
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- 229910052708 sodium Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
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- 238000006467 substitution reaction Methods 0.000 description 4
- 229910010500 Li2.9PO3.3N0.46 Inorganic materials 0.000 description 3
- 229910010640 Li6BaLa2Ta2O12 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000004455 differential thermal analysis Methods 0.000 description 3
- 239000011244 liquid electrolyte Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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- 239000010410 layer Substances 0.000 description 2
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- 150000002739 metals Chemical class 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 102100025905 C-Jun-amino-terminal kinase-interacting protein 4 Human genes 0.000 description 1
- 102100025338 Calcium-binding tyrosine phosphorylation-regulated protein Human genes 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 101001076862 Homo sapiens C-Jun-amino-terminal kinase-interacting protein 4 Proteins 0.000 description 1
- 101000935132 Homo sapiens Calcium-binding tyrosine phosphorylation-regulated protein Proteins 0.000 description 1
- 229910010199 LiAl Inorganic materials 0.000 description 1
- 229910013439 LiZr Inorganic materials 0.000 description 1
- 241000218737 Mycobacterium phage Power Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
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- 238000005443 coulometric titration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000000227 grinding Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000005184 irreversible process Methods 0.000 description 1
- 229940006487 lithium cation Drugs 0.000 description 1
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- 238000001683 neutron diffraction Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- 238000011282 treatment Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Description
本発明は、電池、スーパーコンデンサ、蓄電池及びエレクトロクロミックデバイス、化学センサ及び熱電変換器中での、ガーネット様構造を有する化学的に安定な固体イオン伝導体の使用、並びにこれらの使用のために適している新規の化合物に関する。
Lは、それぞれ無関係に、任意の有利には一価のカチオンであり、
Aは、それぞれ無関係に、一価、二価、三価又は四価のカチオンであり、
Gは、それぞれ無関係に、一価、二価、三価又は四価のカチオンであり、
Mは、それぞれ無関係に、三価、四価又は五価のカチオンであり、
0<x≦3、0≦y≦3、0≦z≦3及び
式中、Oは、部分的に又は完全に、二価及び/又は三価のアニオン、例えばN3-によって置き換えられていてよい。
[式中
Lは、それぞれ無関係に、一価のカチオンであり、
Aは、それぞれ無関係に、二価のカチオンであり、
Gは、それぞれ無関係に、三価のカチオンであり、
0≦x≦3、及び
Oは、部分的に又は完全に、二価又は三価のアニオン、例えばN3-によって置き換えられていてよい]を有する、ガーネット様結晶構造を有する固体イオン伝導体に関する。
図1:
空気中で18℃にて測定した、厚みのあるペレット(厚さ1.02cm及び直径0.92cm)におけるLi7La3Zr2O12の交流インピーダンス曲線。まっすぐに引かれた線は、等価プログラム(EQUIVALENT−Programm)(B.A.Boukamp,Equivalent Circuit,Version 4.55,1997,Faculty of Chemical Technology,University o Twente,7500 AE Enschede(Niederlande),Bericht Nr.CT88/265/128/CT89/214/128,Mai 1989)の使用下で(RbQb)(RgbQgb)(Qel)(その際、Rは抵抗であり、且つQは、コンスタントフェーズエレメント(konstante Phasenelement)であり、且つ添え字g、gb及びelは、粒体積、粒界及び電極を意味する)からの等価回路を用いたシミュレートデータを表している。Li7La3Zr2O12の薄いペレット(厚さ0.18cm及び直径0.98cm)について、空気中で18℃にて測定したインピーダンス曲線は、追加挿入部分に図示している。
a)2回の連続して続く加熱サイクル及び冷却サイクルにおいて得られたLi7La3Zr2O12の厚みのあるペレットのバルク伝導率及び全伝導率(バルク境界及び粒界)に関するアレニウス曲線。
電池適用について考慮に入れられるLi7La3Zr2O12及び他の公知のリチウムイオン伝導体の全伝導率(バルク+粒界)の比較。
Li7La3Zr2O12及びJoint Committee on Powder Diffraction Standardsに従った公知のガーネット相Li5La3Nb2O12の標準サンプルの測定粉末XRDサンプル。
Li7La3Zr2O12の厚みのあるペレットについて、空気中で25℃及び50℃にて測定した交流インピーダンス曲線。
Li7La3Zr2O12の薄いペレットについて、空気中で25℃及び50℃にて測定した交流インピーダンス曲線。高い周波数での更なるフローは、追加挿入部分としてはめ込んでいる。
2回の連続して続く加熱サイクル及び冷却サイクルにおいて得られたLi7La3Zr2O12からの薄いペレットのバルク−及び全体の(バルク及び粒界)伝導率についてのアレニウス曲線。
a)溶融されたリチウムの作用前のLi7La3Zr2O12ペレット及びモリブデンるつぼの写真、b)溶融されたリチウム中のLi7La3Zr2O12ペレットの写真及びc)48hの溶融されたリチウムの作用直後のLi7La3Zr2O12ペレット及びモリブデンるつぼの写真。図c)に映し出された写真は、ペレットの色が変化せず(象牙色)、且つ反応生成物が形成されないことを示している。
LiOH(Alfa Aesar社、>99%)、焼結プロセス中のLi損失を調整するために、200℃にて6h前乾燥し、10質量%の過剰量で使用した;
La2O3(Alfa Aesar社、>99.99%)、900℃にて24h前乾燥した;及び
ZrO2(Aldrich社、>99%)。
Claims (17)
- 化学量論的組成L7+xAxG3-xZr2O12
[式中、
Lは、Li+、Na+またはK+から選択されるアルカリ金属イオンであり
Aは、二価の金属カチオンであり、
Gは、三価の金属カチオンであり、
0≦x≦3、及び
式中、Oは、部分的に又は完全に、二価のアニオンによって置き換えられていてよい]を有する、ガーネット様結晶構造を有する固体イオン伝導体。 - 0≦x≦1である、請求項1記載の固体イオン伝導体。
- L=Naである、請求項1または2記載の固体イオン伝導体。
- Aが、二価のアルカリ土類金属カチオンである、請求項1から3までのいずれか1項記載の固体イオン伝導体。
- Aが、Ca、Sr及び/又はBaから選択されている、請求項1から4までのいずれか1項記載の固体イオン伝導体。
- 前記化学量論的組成がLi7La3Zr2O12である、請求項1または2記載の固体イオン伝導体。
- L、A、G及びZrの塩及び/又は酸化物を互いに反応させることを特徴とする、請求項1から6までのいずれか1項記載の固体イオン伝導体の製造法。
- 前記反応を、前駆体法を用いて、及び前記成分の溶解した塩の沈殿反応を用いて行うことを特徴とする、請求項7記載の方法。
- 前記反応を、固相反応において行うことを特徴とする、請求項7記載の方法。
- L及びAを、硝酸塩、炭酸塩又は水酸化物の形で使用し、且つG2O3及びZrO2と反応させることを特徴とする、請求項7又は9記載の方法。
- 以下の工程:
a)L、A、G及びZrの塩及び/又は酸化物を混合し、且つ、好ましくは二酸化ジルコニウム容器及び二酸化ジルコニウムボールを用いて2−プロパノール中でボールミル粉砕する工程、
b)a)からの混合物を、空気中で2〜10時間400〜1000℃に加熱する工程、
c)好ましくは二酸化ジルコニウム容器及び二酸化ジルコニウムボールを用いて2−プロパノール中でボールミル粉砕する工程、
d)前記混合物を、等方圧で所望の形に圧縮する工程、及び
e)工程d)からの同じ組成の粉末で覆われた生成物を、10〜50時間700〜1200℃にて焼結する工程を包含する、請求項7、9又は10記載の方法。 - 工程b)において前記混合物を、6時間700℃に加熱し、且つ工程e)において24時間900℃にて焼結する、請求項11記載の方法。
- 電池、蓄電池、スーパーカップ、燃料電池、センサ、熱電変換器及び/又はエレクトロクロミックデバイスにおける、請求項1から6までのいずれか1項記載の固体イオン伝導体の使用。
- 前記エレクトロクロミックデバイスが、窓、ディスプレイ又はファサードである、請求項13記載の固体イオン伝導体の使用。
- 請求項1から6までのいずれか1項記載のイオン伝導体を使用する、電極のためのコーティングとしての又は電極の前方の保護層としてのガーネット様結晶構造を有する固体イオン伝導体の使用。
- 請求項1から6までのいずれか1項記載のイオン伝導体を使用する、ガーネット様結晶構造を有する固体イオン伝導体によりコーティングされている電極。
- 請求項16記載の1つ以上の電極を包含する電池。
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DE102007030604A DE102007030604A1 (de) | 2007-07-02 | 2007-07-02 | Ionenleiter mit Granatstruktur |
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US10361452B2 (en) | 2015-07-29 | 2019-07-23 | Central Glass Company, Limited | Garnet-type oxide sintered body and method for producing same |
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CA2694259A1 (en) | 2009-01-08 |
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WO2009003695A2 (de) | 2009-01-08 |
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TWI434452B (zh) | 2014-04-11 |
DE102007030604A1 (de) | 2009-01-08 |
US20140205910A1 (en) | 2014-07-24 |
EP2176190B1 (de) | 2018-05-02 |
JP2014241288A (ja) | 2014-12-25 |
KR101539123B1 (ko) | 2015-07-23 |
CN101952223A (zh) | 2011-01-19 |
JP2010534383A (ja) | 2010-11-04 |
TW200910671A (en) | 2009-03-01 |
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