JP7181866B2 - 全固体リチウムイオン蓄電池およびその製造方法 - Google Patents
全固体リチウムイオン蓄電池およびその製造方法 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000003860 storage Methods 0.000 title claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 44
- 239000007784 solid electrolyte Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 11
- 229910000664 lithium aluminum titanium phosphates (LATP) Inorganic materials 0.000 claims description 10
- 239000002001 electrolyte material Substances 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000010405 anode material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000010406 cathode material Substances 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 238000007650 screen-printing Methods 0.000 claims description 4
- CVJYOKLQNGVTIS-UHFFFAOYSA-K aluminum;lithium;titanium(4+);phosphate Chemical compound [Li+].[Al+3].[Ti+4].[O-]P([O-])([O-])=O CVJYOKLQNGVTIS-UHFFFAOYSA-K 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- -1 phosphate compound Chemical class 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000007641 inkjet printing Methods 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 9
- 239000008188 pellet Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- VKCLPVFDVVKEKU-UHFFFAOYSA-N S=[P] Chemical compound S=[P] VKCLPVFDVVKEKU-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011244 liquid electrolyte Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002226 superionic conductor Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229910011304 Li3V2 Inorganic materials 0.000 description 1
- 229910011312 Li3VO4 Inorganic materials 0.000 description 1
- 229910002986 Li4Ti5O12 Inorganic materials 0.000 description 1
- 229910001305 LiMPO4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910015014 LiNiCoAlO Inorganic materials 0.000 description 1
- 229910012985 LiVO3 Inorganic materials 0.000 description 1
- MKGYHFFYERNDHK-UHFFFAOYSA-K P(=O)([O-])([O-])[O-].[Ti+4].[Li+] Chemical compound P(=O)([O-])([O-])[O-].[Ti+4].[Li+] MKGYHFFYERNDHK-UHFFFAOYSA-K 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229920004890 Triton X-100 Polymers 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
- ZOJZLMMAVKKSFE-UHFFFAOYSA-N [P]=S.[Li] Chemical compound [P]=S.[Li] ZOJZLMMAVKKSFE-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000002241 glass-ceramic Chemical class 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004729 solvothermal method Methods 0.000 description 1
- 238000001370 static light scattering Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H01M4/00—Electrodes
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- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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- 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
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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
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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
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- H01M4/04—Processes of manufacture in general
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- H01M4/0407—Methods of deposition of the material by coating on an electrolyte layer
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- 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
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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Description
本発明の枠内で発見されたのは、全固体蓄電池の製造、とりわけ全固体リチウムイオン蓄電池の製造を、有利には固体電解質を基礎として、およびこれまでのように電極側の一方からではなく行えるということである。したがって固体電解質は、電気化学セルの製造時に機械的支持の役割を担う。
- 酸化物、例えばLi7-xLa3Zr2AlxO12、ここでx=0~0.5、またはLi7La3Zr2-xTaxO12、ここでx=0~0.5、
- リン酸リチウムアルミニウムチタン、例えばLi1+xMxTi2-x(PO4)3、ここでx=0~7およびM=Al(LATP)、Fe、Y、またはGe、
- ジルコン酸リチウムランタン、この場合、追加的にタンタル、アルミニウム、および鉄のドーピングを用いることができる、
- 硫化リンリチウム、この場合、ゲルマニウムおよびセレンをドーピングすることができ、例えばLi7P3S11、Li10P3S12、Li10MxP3-xS12、ここでM=Ge、Seおよびx=0~1、ここでM=AyBz、これに関しA=Si、GeおよびB=Sn、Siならびにここでy=0~0.5およびz=1-y。
LiNiCoAlO2、LiNiCoMnO2(NMC)、LiMn2-xMxO4、ここでM=Ni、Fe、Co、またはRu、およびここでx=0~0.5、ならびにLiCoO2(LCO)である。
V2O5、LiVO3、Li3VO4、およびLi4Ti5O12(LTP)が適している。
前か焼したリン酸リチウムアルミニウムチタン(LATP)粉末を、ボールミル内で粉砕した後(粉砕後の平均粒径、d50<1μm)、一軸ピストンプレス機内で直径11mmのペレットへと加圧する(40kN)。
Claims (9)
- - 前か焼した電解質粉末が加圧され、電解質層へと焼結され、少なくとも1種のリン酸塩化合物を含む電解質粉末が用いられるステップ、
- 電解質層の両面にそれぞれ電極が施され、焼結した電解質層の一方の表面に少なくとも1つの電極層を施す前に、最初に少なくとも1つの中間層が、次いで前記中間層上に電極層が施されるステップ
を有する、アノード、カソード、および固体電解質を含む全固体リチウムイオン蓄電池の製造方法において、
電解質材料およびアノード材料からならびに/または電解質材料およびカソード材料から成る中間層が使用され、
アノード材料およびカソード材料がリン酸塩を含む化合物を含むことを特徴とする、製造方法。 - 焼結した電解質層の両方の表面に両方の電極層を施す前に、最初にそれぞれ中間層が、次いで前記中間層上にそれぞれの電極層が施される、請求項1に記載の方法。
- 平均粒径が100~800nmの間の電解質粉末が用いられる、請求項1または2に記載の方法。
- 少なくとも1つの電極が、スクリーン印刷、オフセット、ロールツーロール、浸漬床(Tauchbett)、またはインクジェット印刷によって施される、請求項1~3のいずれか一つに記載の方法。
- 層厚が100μm~800μmの間の電解質層が製造される、請求項1~4のいずれか一つに記載の方法。
- 層厚が1~10μmの間の少なくとも1つの中間層が施される、請求項1~5のいずれか一つに記載の方法。
- 前記リン酸塩化合物が、リン酸リチウムアルミニウムチタン(LATP)である、請求項1~6のいずれか一つに記載の方法。
- アノード、カソード、および固体電解質を含み、
固体電解質が、100μm~800μmの間の層厚を有する、全固体リチウムイオン蓄電池において、
固体電解質とアノードとの間に中間層が配置され、前記中間層が電解質材料およびアノード材料を含むこと、ならびに固体電解質とカソードとの間に中間層が配置され、前記中間層が電解質材料およびカソード材料を含み、
電解質材料、アノード材料およびカソード材料がリン酸塩を含む化合物を含むことを特徴とする、全固体リチウムイオン蓄電池。 - 焼結後に、電解質層が、理論密度の85%超の密度または20体積%未満の気孔率を有する、請求項8に記載の全固体リチウムイオン蓄電池。
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Application Number | Priority Date | Filing Date | Title |
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DE102016015191.9 | 2016-12-21 | ||
DE102016015191.9A DE102016015191B3 (de) | 2016-12-21 | 2016-12-21 | Lithium- lonen- Festkörperakkumulator sowie Verfahren zur Herstellung desselben |
PCT/DE2017/000391 WO2018113807A1 (de) | 2016-12-21 | 2017-11-18 | Lithium-ionen-festkörperakkumulator sowie verfahren zur herstellung desselben |
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JP7181866B2 true JP7181866B2 (ja) | 2022-12-01 |
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EP (1) | EP3560022A1 (ja) |
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CN (1) | CN110235295B (ja) |
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US11223088B2 (en) * | 2019-10-07 | 2022-01-11 | Bioenno Tech LLC | Low-temperature ceramic-polymer nanocomposite solid state electrolyte |
CN112537958B (zh) * | 2020-11-19 | 2022-04-05 | 哈尔滨工业大学 | 一种锆酸镧锂固态电解质及其制备方法 |
US11735768B2 (en) | 2021-02-09 | 2023-08-22 | GM Global Technology Operations LLC | Gel electrolyte for solid-state battery |
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