JP6605917B2 - 全固体二次電池 - Google Patents
全固体二次電池 Download PDFInfo
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- JP6605917B2 JP6605917B2 JP2015212665A JP2015212665A JP6605917B2 JP 6605917 B2 JP6605917 B2 JP 6605917B2 JP 2015212665 A JP2015212665 A JP 2015212665A JP 2015212665 A JP2015212665 A JP 2015212665A JP 6605917 B2 JP6605917 B2 JP 6605917B2
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- 239000007787 solid Substances 0.000 title description 13
- 229910019142 PO4 Inorganic materials 0.000 claims description 21
- 239000007784 solid electrolyte Substances 0.000 claims description 21
- 229910052723 transition metal Inorganic materials 0.000 claims description 21
- 150000003624 transition metals Chemical class 0.000 claims description 21
- 239000010452 phosphate Substances 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 17
- 229910052744 lithium Inorganic materials 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 239000010450 olivine Substances 0.000 claims description 8
- 229910052609 olivine Inorganic materials 0.000 claims description 8
- 235000021317 phosphate Nutrition 0.000 description 19
- 238000011156 evaluation Methods 0.000 description 13
- 239000002243 precursor Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 9
- 239000002228 NASICON Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 238000003795 desorption Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910018068 Li 2 O Inorganic materials 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910005793 GeO 2 Inorganic materials 0.000 description 2
- 229910007913 Li-Al-Ti-P-O Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910008474 Li—Al—Ti—P—O Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 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
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229910012465 LiTi Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- YWJVFBOUPMWANA-UHFFFAOYSA-H [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O YWJVFBOUPMWANA-UHFFFAOYSA-H 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000007611 bar coating method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- SWAIALBIBWIKKQ-UHFFFAOYSA-N lithium titanium Chemical compound [Li].[Ti] SWAIALBIBWIKKQ-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/626—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
- H01M2300/0071—Oxides
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
(原料調製)
Li2O/Al2O3/GeO2/P2O5/Co3O4のモル比が24.38/5.63/11.25/56.25/2.50となるように、原料化合物Li2CO3、Al2O3、GeO2、NH4H2PO4、Co3O4を混合し、大気中850℃で焼成することで固体電解質を合成した。固体電解質はXRDからNASICON型結晶構造がメインであることが確認された。
合成した正極活物質と負極活物質と金属Pdを体積比率で23.3%、46.7%、30.0%となるように、エタノール・トルエン混合溶媒中で混合し、可塑剤、バインダーを加えて、ビーズミルにて混練後、PETフィルム上に塗工することで電極層グリーンシートを作製した。また合成した固体電解質を電極層グリーンシート同様の手法で、スラリー作製・塗工し、固体電解質グリーンシートを作製した。
電極層グリーンシートにスクリーン印刷によりPdペーストを塗付し、Pd集電体を形成した。Pd集電体を形成した電極層グリーンシート2枚、Pd集電体を形成していない電極層グリーンシート2枚、固体電解質グリーンシート30枚を、それぞれφ16mmの円型に打ち抜き、Pd集電体が上下両面の外側に向くように、下から順に、Pd集電体/電極層/固体電解質層30枚/電極層/Pd集電体層という構成で積層して、30MPaの圧力で圧着して板状体を得た。得られた板状体を高純度アルミナ板に挟み込み、N2雰囲気中600℃で一括焼成を行って焼結板を得た。
一括焼成により得られた、両面に電極層を有する焼結板をアルゴン雰囲気のグローブボックス内で2032型コインセルに封止することで評価用の全固体電池セルを得た。このセルを150℃で充放電試験を行った。充電を36μAで2.7Vまで行い、放電を18μAで2Vまで行った。初回の放電容量は152μAhであった。また、動作電位(全放電容量の50%放電時)は2.42Vであった。
上記焼結板の片面を研磨することにより、集電体層および電極層を除去した。除去した箇所に、SPE膜および金属リチウム箔を形成した。評価1の場合と同様にコインセルに封止し、評価試料を得た。上記にて除去しなかった電極層について、正極としての充放電特性を評価した。充電を36μAで5.1Vまで行い、放電を18μAで4Vまで行った。充放電ともにLiCoPO4に特徴的な4.7〜4.9V付近の2段のPlateauが観察され、初回の放電容量は142μAhであった。Plateauは、電位平坦部という意味の電池の用語である。
実施例1において、前記評価2と同じように評価試料を作製した。上記にて除去しなかった電極層について、負極としての充放電特性を評価した。Li挿入を36μAで2Vまで行い、Li脱離を18μAで3Vまで行った。充放電の電位はNASICON型Li−Al−Ti−P−O化合物の2.5Vよりも若干低い2.3〜2.4Vだった。NASICON型Li−Al−Ti−P−O化合物と比べて連続的に電位が変化する挙動が見られた。おそらく負極中に多く混在するLiCoPO4によるものと考えられた。負極の初回Li脱離容量は240μAhであり、初回クーロン効率は95%であった。また、動作電位(Li脱離容量の50%Li脱離時)は2.42Vであった。
実施例1で用いた電極層グリーンシートを正極の製造に用いた。さらに、以下のグリーンシートを別途製造して負極として用いた。それ以外は、実施例1と同様に全固体電池を作製した。得られた全固体電池について、上記評価1と同様に充放電特性を評価した。負極用のグリーンシートには、電極層内にLiCoPO4を含まない構成、即ち、体積比率でNASICON型Li−Al−Ti−P−O化合物70%、Pd30%である構成にした。このようにして得た電池について、充電を36μAで2.7Vまで行い、放電を18μAで2Vまで行った。初回放電容量は72μAhであった。また、全放電容量の50%放電時における電位は2.25Vであった。実施例1と比較例1との対比の結果、LiCoPO4を負極側電極層に有することによって動作電位の向上が確認された。
電極層グリーンシートについて、LiCoPO4を含まない構成、即ち、体積比率でNASICON型Li−Al−Ti−P−O化合物70%、Pd30%である構成に変えたこと以外は、上述の評価3と同様に評価試料を作製た。得られた評価試料について、充放電特性を評価した。Li挿入を84μAで2Vまで行い、Li脱離を42μAで3Vまで行った。初回Li脱離容量は80μAhであり、クーロン効率は40%であった。また、Li脱離容量の50%Li脱離時の動作電位は2.58Vであった。実施例1の評価3と比較例2との比較から、LiCoPO4がないと負極動作電位はより高くなってしまうこと、LiCoPO4が存在することによって取得可能な電圧が高くなること、が確認された。
1b・2b 電極層
3 電解質層
10a 集電体の前駆体
10b 電極層の前駆体
31〜35 電解質層の前駆体
Claims (2)
- 一対の電極層と、前記一対の電極層間に位置する固体電解質層と、を備え、前記一対の電極層は互いに遷移金属とリチウムとを含むオリビン型結晶構造のリン酸塩および負極活物質をそれぞれ含有する、全固体二次電池。
- 前記一対の電極層の両方が同一の遷移金属を含む前記リン酸塩を含有する請求項1記載の全固体二次電池。
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JP2015212665A JP6605917B2 (ja) | 2015-10-29 | 2015-10-29 | 全固体二次電池 |
US15/258,448 US20170125841A1 (en) | 2015-10-29 | 2016-09-07 | Solid-state rechargeable battery |
US16/741,201 US11258095B2 (en) | 2015-10-29 | 2020-01-13 | Solid-state rechargeable battery |
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JP2015212665A JP6605917B2 (ja) | 2015-10-29 | 2015-10-29 | 全固体二次電池 |
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JP2017084643A JP2017084643A (ja) | 2017-05-18 |
JP6605917B2 true JP6605917B2 (ja) | 2019-11-13 |
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CA2956857A1 (fr) * | 2017-02-02 | 2018-08-02 | Hydro-Quebec | Materiau d'electrode, electrode et batterie tout solide comprenant un oxyde complexe de structure olivine |
CN111149248B (zh) * | 2017-11-13 | 2023-08-18 | 株式会社村田制作所 | 无极性全固体电池及电子设备 |
JP7032973B2 (ja) | 2018-03-29 | 2022-03-09 | 太陽誘電株式会社 | 全固体電池およびその製造方法 |
JP7045291B2 (ja) * | 2018-09-11 | 2022-03-31 | 太陽誘電株式会社 | 全固体電池の製造方法 |
JP7048466B2 (ja) * | 2018-09-19 | 2022-04-05 | 太陽誘電株式会社 | 全固体電池 |
JP7409826B2 (ja) * | 2019-10-30 | 2024-01-09 | 太陽誘電株式会社 | 全固体電池 |
CN111342041A (zh) * | 2020-02-20 | 2020-06-26 | 上海应用技术大学 | 一种锂离子电池三元正极材料及其制备方法 |
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FR2860925A1 (fr) * | 2003-10-14 | 2005-04-15 | Commissariat Energie Atomique | Microbatterie dont au moins une electrode et l'electrolyte comportent chacun le groupement [xy1y2y3y4] et procede de fabrication d'une telle microbatterie. |
US7906234B2 (en) | 2005-08-18 | 2011-03-15 | Panasonic Corporation | All-solid-state lithium secondary cell and method of manufacturing the same |
JP5115920B2 (ja) * | 2006-02-24 | 2013-01-09 | 日本碍子株式会社 | 全固体電池 |
EP1826860B1 (en) * | 2006-02-24 | 2018-07-18 | NGK Insulators, Ltd. | All-solid-state battery |
JP5078120B2 (ja) | 2006-02-24 | 2012-11-21 | 日本碍子株式会社 | 全固体電池 |
JP5122154B2 (ja) | 2007-02-13 | 2013-01-16 | ナミックス株式会社 | 全固体二次電池 |
US9178255B2 (en) * | 2008-06-20 | 2015-11-03 | University Of Dayton | Lithium-air cells incorporating solid electrolytes having enhanced ionic transport and catalytic activity |
US8304115B1 (en) | 2009-08-28 | 2012-11-06 | Cermacell, LLC | Multi layer ceramic battery |
JP2014049198A (ja) | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | 電池用焼結体、全固体リチウム電池および電池用焼結体の製造方法 |
JP5785222B2 (ja) | 2013-06-28 | 2015-09-24 | 太陽誘電株式会社 | 全固体二次電池およびその製造方法 |
CN103762360A (zh) | 2014-01-18 | 2014-04-30 | 天津理工大学 | 一种磷酸钴锂-磷酸钒锂复合锂离子电池正极材料的制备 |
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2015
- 2015-10-29 JP JP2015212665A patent/JP6605917B2/ja active Active
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2016
- 2016-09-07 US US15/258,448 patent/US20170125841A1/en not_active Abandoned
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US11258095B2 (en) | 2022-02-22 |
JP2017084643A (ja) | 2017-05-18 |
US20170125841A1 (en) | 2017-05-04 |
US20200153039A1 (en) | 2020-05-14 |
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