JP2016127005A - 全固体リチウム電池の陽極及びこれを含む二次電池 - Google Patents
全固体リチウム電池の陽極及びこれを含む二次電池 Download PDFInfo
- Publication number
- JP2016127005A JP2016127005A JP2015222329A JP2015222329A JP2016127005A JP 2016127005 A JP2016127005 A JP 2016127005A JP 2015222329 A JP2015222329 A JP 2015222329A JP 2015222329 A JP2015222329 A JP 2015222329A JP 2016127005 A JP2016127005 A JP 2016127005A
- Authority
- JP
- Japan
- Prior art keywords
- solid electrolyte
- conductive material
- anode
- solid
- mesoporous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007787 solid Substances 0.000 title claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 53
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000002114 nanocomposite Substances 0.000 claims abstract description 16
- 239000011149 active material Substances 0.000 claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims abstract description 12
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 3
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 claims description 2
- 238000010345 tape casting Methods 0.000 claims description 2
- 229910052714 tellurium Inorganic materials 0.000 abstract description 7
- 150000002642 lithium compounds Chemical class 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 229910018091 Li 2 S Inorganic materials 0.000 description 14
- 229910001416 lithium ion Inorganic materials 0.000 description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 239000011244 liquid electrolyte Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 229920001021 polysulfide Polymers 0.000 description 5
- 239000005077 polysulfide Substances 0.000 description 5
- 150000008117 polysulfides Polymers 0.000 description 5
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910000733 Li alloy Inorganic materials 0.000 description 3
- 239000006183 anode active material Substances 0.000 description 3
- 239000001989 lithium alloy Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910003480 inorganic solid Inorganic materials 0.000 description 2
- 239000010416 ion conductor Substances 0.000 description 2
- 229910000614 lithium tin phosphorous sulfides (LSPS) Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000006256 anode slurry Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910021476 group 6 element Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
-
- 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
- H01M10/056—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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
-
- 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
- H01M4/04—Processes of manufacture in general
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0483—Processes of manufacture in general by methods including the handling of a melt
- H01M4/0485—Casting
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/40—Alloys based on alkali metals
- H01M4/405—Alloys based on lithium
-
- 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
-
- 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
-
- 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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/80—Porous plates, e.g. sintered carriers
-
- 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
-
- 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
【解決手段】メソポーラス導電材気孔の内部に固体電解質が均一に分布されたナノ複合体を製作し、非金属固体であるS、Se及びTeのいずれか一つからなったリチウム化合物の表面にメソポーラス導電材−固体電解質のナノ複合体をコーティングしてメソポーラス導電材−固体電解質−Li2Xの単一複合体を製造して陽極として利用する、全固体リチウム電池の陽極及びこれを適用した全固体リチウム電池。
【選択図】図2
Description
a)固体電解質を合成する段階;
b)メソポーラス導電材気孔の内部に固体電解質を均一に分布させ、メソポーラス導電材−固体電解質のナノ複合体を製造する段階;
c)Li2X粒子の表面に前記メソポーラス導電材−固体電解質のナノ複合体をコーティングしてメソポーラス導電材−固体電解質−Li2Xの単一複合体を製造する段階;及び
d)複数個のメソポーラス導電材−固体電解質−Li2Xの単一複合体をバインダーを利用して互いを連結する段階を含む全固体リチウム電池の陽極の製造方法を提供する。前記Xは、S、Se及びTeのいずれか一つである。
1)従来の液体電解質システムに比べて活物質のシャトル現象が表れないので寿命の特性が優秀である。
2)液体電解質を使う時と比較して、高温で優秀な安全性を示す。
3)液体電解質を使用しないため、従来の技術に比べて高いエネルギー密度を有する二次電池の製造にが容易である。
4)陽極活物質としてLi2Xの形態の活物質を使用することで、還元反応時に表れるXの体積の膨脹にも十分に空間を確保することができる。
a)固体電解質を合成する段階;
b)メソポーラス導電材気孔の内部に固体電解質を均一に分布させ、メソポーラス導電材−固体電解質のナノ複合体を製造する段階;
c)Li2X粒子の表面に前記メソポーラス導電材−固体電解質のナノ複合体をコーティングしてメソポーラス導電材−固体電解質−Li2Xの単一複合体を製造する段階;及び
d)複数個のメソポーラス導電材−固体電解質−Li2Xの単一複合体をバインダーを利用して相互連結する段階を含む全固体リチウム電池の陽極製造方法を提供する。前記Xは、S、Se及びTeの中の一つである。
1)従来の液体電解質システムに比べて活物質のシャトル現象が表れないので、寿命特性が優秀である。
2)液体電解質を使う時に比べて、高温で優秀な安全性を表す。
3)液体電解質を使わないので、従来の技術に比べて高いエネルギー密度を持つ二次電池製造が容易である。
4)陽極活物質としてLi2Xの形態の活物質を使うことで、還元反応時に表れるXの体積膨脹にも十分な空間確保が可能である。
Li2S粉末とP2S5を80:20wt%の割合で混合した後、8時間500rpmでミーリングし、200℃で熱処理した。合成されたLSPS粉末をN−メチルホルムアミド(NMF)溶媒に入れて過飽和状態まで溶解し、LSPS溶液にOMC粉末を添加して分散させた後、150℃で3時間真空で熱処理し、溶媒を除いてOMC/SE複合体を製造した。
前記OMC/SE複合体とLi2S粉末を6:4の質量比で混合した後、300rpmで3時間プラネタリーミリングし、OMC/SE/Li2S複合体を製造した。
前記で合成されたOMC/SE/Li2S粉末とゴム(rubber)系列のバインダー及びBTX系溶媒を混合して陽極スラリーを製造し、基材の表面にコーティングした後80℃で8時間対流乾燥して溶媒を除き、全固体複合陽極を製造した。
Claims (16)
- a)固体電解質を合成する段階;
b)メソポーラス導電材気孔の内部に固体電解質を均一に分布させ、メソポーラス導電材−固体電解質のナノ複合体を製造する段階;
c)Li2X粒子の表面に前記メソポーラス導電材−固体電解質のナノ複合体をコーティングしてメソポーラス導電材−固体電解質−Li2Xの単一複合体を製造する段階;及び
d)複数個のメソポーラス導電材−固体電解質−Li2Xの単一複合体をバインダーを利用して相互連結する段階を含み、
前記Xは、S、Se、またはTeのいずれか一つである、全固体リチウム電池の陽極の製造方法。 - 前記バインダーに連結された複数個のメソポーラス導電材−固体電解質−Li2Xの単一複合体スラリーを陽極集電体にコーティングした後、圧延する段階をさらに含む、請求項1に記載の方法。
- 前記Li2Xは、陽極の活物質である、請求項1に記載の方法。
- 前記メソポーラス導電材は、金属元素と炭素からなった10−6Ω・m以下の電気抵抗値を有する物質であって、前記メソポーラス導電材の大きさは10nmないし100μmで、孔隙率が10ないし90体積%であり、メソポーラスの大きさは2nmないし50nmである、請求項1に記載の方法。
- 前記固体電解質は、Li元素を含む2相系以上の物質としてリチウム酸化物を含む酸化物系固体電解質、及びリチウム硫化物を含む硫化物系固体電解質からなる群から選択される一つ以上である、請求項1に記載の方法。
- 前記段階b)の固体電解質を分布する方法は、溶融−拡散法、濾過注入法、及び気体−固体混合法からなる群から選択されることによって行われる、請求項1に記載の方法。
- 前記段階c)のコーティングは、乾式ボールミリング、乾式プラネタリーミリング、メカノフュージョン、湿式ボールミリング、及び湿式プラネタリーミリングからなる群から選択される一つ以上によって行われる、請求項1に記載の方法。
- 前記段階d)のバインダーは、フッ素系、及びゴム系からなる群から選択される一つ以上である、請求項1に記載の方法。
- 前記コーティングは、スリップキャスティング、加圧キャスティング、テープキャスティング、及びゲルキャスティングの方法からなる群から選択される方法で行われる、請求項2に記載の方法。
- 前記圧延は圧密、ロールプレス、及び等方圧密からなる群から選択される方法によって20〜50%の圧縮率の条件下で行われる、請求項2に記載の方法。
- 陽極集電体及びバインダーで連結されたLi2Xを含む全固体リチウム電池の陽極において、
前記Li2Xは、メソポーラス導電材−固体電解質のナノ複合体でコーティングされたもので、前記メソポーラス導電材−固体電解質のナノ複合体はメソポーラス導電材気孔の内部に固体電解質が均一に分布され、前記Xは、S、Se、またはTeのいずれか一つである陽極。 - 前記Li2Xは、陽極の活物質である、請求項11に記載の陽極。
- メソポーラス導電材は、金属元素と炭素からなった10−6Ω・m以下の電気抵抗値を有する物質であって、前記メソポーラス導電材の大きさは10nmないし100μmで、孔隙率が10ないし90体積%であり、メソポーラスの大きさは2nmないし50nmである、請求項11に記載の陽極。
- 固体電解質は、Li元素を含む2相系以上の物質としてリチウム酸化物を含む酸化物系固体電解質とリチウム硫化物を含む硫化物系固体電解質からなる群から選択される1種以上である、請求項11に記載の陽極。
- 段階d)のフッ素系及びゴム系からなる群から選択される1種以上である、請求項11に記載の陽極。
- 請求項11ないし請求項15のいずれか1項に記載の陽極、前記陽極の表面に積層された固体電解質、固体電解質の上に積層された陰極、及び陰極集電体を含むリチウム硫黄二次電池セル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140195115A KR101673724B1 (ko) | 2014-12-31 | 2014-12-31 | 전고체 리튬전지의 양극 및 이를 포함하는 이차전지 |
KR10-2014-0195115 | 2014-12-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016127005A true JP2016127005A (ja) | 2016-07-11 |
JP6873597B2 JP6873597B2 (ja) | 2021-05-19 |
Family
ID=56116967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015222329A Active JP6873597B2 (ja) | 2014-12-31 | 2015-11-12 | 全固体リチウム電池の陽極及びこれを含む二次電池 |
Country Status (5)
Country | Link |
---|---|
US (2) | US10326128B2 (ja) |
JP (1) | JP6873597B2 (ja) |
KR (1) | KR101673724B1 (ja) |
CN (1) | CN105742559B (ja) |
DE (1) | DE102015222553B4 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019140099A (ja) * | 2018-02-14 | 2019-08-22 | 輝能科技股▲分▼有限公司Prologium Technology Co., Ltd. | 複合電極材料 |
WO2022090757A1 (ja) * | 2020-10-26 | 2022-05-05 | 日産自動車株式会社 | 電気デバイス用正極材料並びにこれを用いた電気デバイス用正極および電気デバイス |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102507006B1 (ko) * | 2017-09-11 | 2023-03-06 | 현대자동차주식회사 | 전고체 전지 및 그 제조방법 |
JP7226323B2 (ja) * | 2017-09-29 | 2023-02-21 | 日本ゼオン株式会社 | 全固体二次電池電極用複合粒子およびその製造方法、全固体二次電池用電極、並びに、全固体二次電池 |
CN111886728A (zh) * | 2018-01-09 | 2020-11-03 | 密执安州立大学董事会 | 包覆有锂离子导电固体电解质的集电器 |
DE102019102021A1 (de) * | 2019-01-28 | 2020-07-30 | Volkswagen Aktiengesellschaft | Verfahren zur Herstellung einer Kathode für eine Feststoffbatterie |
KR20200129380A (ko) | 2019-05-08 | 2020-11-18 | 주식회사 엘지화학 | 전고체전지의 전극 제조방법 및 이를 이용하여 제조된 전고체전지 전극 |
KR20200129381A (ko) | 2019-05-08 | 2020-11-18 | 주식회사 엘지화학 | 전고체전지의 양극 제조방법 및 이를 이용하여 제조된 전고체전지의 양극 |
KR20210030737A (ko) | 2019-09-10 | 2021-03-18 | 주식회사 엘지화학 | 전고체전지의 양극합제 제조방법 및 이를 이용하여 제조된 전고체전지의 양극합제 |
DE102020105156A1 (de) * | 2020-02-27 | 2021-09-02 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Herstellen einer Elektrode |
JP7486661B2 (ja) * | 2020-08-20 | 2024-05-17 | エルジー エナジー ソリューション リミテッド | 固体電解質膜及びそれを含む全固体電池 |
WO2023158995A2 (en) * | 2022-02-18 | 2023-08-24 | Northeastern University | Sulfide based all-solid-state batteries enabled by bipolar stacking |
WO2024096619A1 (ko) * | 2022-11-04 | 2024-05-10 | 삼성에스디아이주식회사 | 복합양극활물질, 그 제조방법, 이를 포함하는 양극 및 전고체 이차전지 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010027458A (ja) * | 2008-07-22 | 2010-02-04 | Toyota Motor Corp | 二次電池用正極材料およびその製造方法 |
CN101728538A (zh) * | 2009-11-26 | 2010-06-09 | 上海大学 | 用于锂离子电池正极的有序纳米结构硫/介孔碳复合材料 |
JP2010138039A (ja) * | 2008-12-12 | 2010-06-24 | Panasonic Corp | 炭素材料の精製方法および精製装置、ならびに非水電解質二次電池 |
US20110200883A1 (en) * | 2009-10-29 | 2011-08-18 | Yi Cui | Devices, systems and methods for advanced rechargeable batteries |
CN102163720A (zh) * | 2011-02-12 | 2011-08-24 | 中南大学 | 一种锂离子电池用硫化锂-多孔碳复合正极材料及制备方法 |
US20130164620A1 (en) * | 2011-12-23 | 2013-06-27 | Hyundai Motor Company | Cathode for lithium-sulfur secondary battery containing sulfur-infiltrated mesoporous nanocomposite structure and mesoporous nano conductive material |
JP2013143299A (ja) * | 2012-01-11 | 2013-07-22 | Idemitsu Kosan Co Ltd | 電極材料、電極及びそれを用いた電池 |
CN103367791A (zh) * | 2013-07-15 | 2013-10-23 | 中国科学院化学研究所 | 一种新型锂离子电池 |
JP2013254620A (ja) * | 2012-06-06 | 2013-12-19 | Idemitsu Kosan Co Ltd | 正極合材スラリー及び電極シート |
WO2014112401A1 (ja) * | 2013-01-18 | 2014-07-24 | ソニー株式会社 | 電極用複合材料及びその製造方法並びに二次電池 |
US20140315100A1 (en) * | 2013-04-22 | 2014-10-23 | Yanbo Wang | Rechargeable lithium-sulfur battery having a high capacity and long cycle life |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69701126T2 (de) * | 1996-07-30 | 2000-06-21 | Sony Corp | Sekundärbatterie mit nichtwässrigem elektrolyten |
JP4615339B2 (ja) | 2005-03-16 | 2011-01-19 | 独立行政法人科学技術振興機構 | 多孔質固体電極及びそれを用いた全固体リチウム二次電池 |
JP2009094029A (ja) | 2007-10-12 | 2009-04-30 | Ohara Inc | 全固体型リチウム二次電池および全固体型リチウム二次電池用の電極 |
WO2011049113A1 (ja) | 2009-10-21 | 2011-04-28 | 国立大学法人京都大学 | ポリマー複合微粒子を用いた高分子固体電解質を用いた電気化学デバイス |
JP2011165467A (ja) * | 2010-02-09 | 2011-08-25 | Toyota Motor Corp | 固体電池 |
JPWO2011145462A1 (ja) * | 2010-05-17 | 2013-07-22 | 住友電気工業株式会社 | 非水電解質電池用正極体及びその製造方法、並びに非水電解質電池 |
JP2013051171A (ja) | 2011-08-31 | 2013-03-14 | Toyota Motor Corp | 全固体電池用電極体及び全固体電池 |
JP6203474B2 (ja) * | 2011-11-24 | 2017-09-27 | 出光興産株式会社 | 電極材料、電極及びそれを用いたリチウムイオン電池 |
JP5912550B2 (ja) * | 2012-01-11 | 2016-04-27 | 出光興産株式会社 | 電極材料、電極及びそれを用いた電池 |
KR101417268B1 (ko) | 2012-05-02 | 2014-07-08 | 현대자동차주식회사 | 리튬금속배터리용 리튬전극 및 그 제조방법 |
KR20140075526A (ko) * | 2012-12-11 | 2014-06-19 | 현대자동차주식회사 | 도전재 일체 구조형 전극 및 이를 이용한 이차전지 |
CN104615339B (zh) | 2015-01-22 | 2017-11-17 | 百度在线网络技术(北京)有限公司 | 控件的展现方法及装置 |
-
2014
- 2014-12-31 KR KR1020140195115A patent/KR101673724B1/ko active IP Right Grant
-
2015
- 2015-11-09 US US14/935,925 patent/US10326128B2/en active Active
- 2015-11-12 JP JP2015222329A patent/JP6873597B2/ja active Active
- 2015-11-16 DE DE102015222553.4A patent/DE102015222553B4/de active Active
- 2015-11-27 CN CN201510850279.7A patent/CN105742559B/zh active Active
-
2019
- 2019-05-03 US US16/402,918 patent/US11177472B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010027458A (ja) * | 2008-07-22 | 2010-02-04 | Toyota Motor Corp | 二次電池用正極材料およびその製造方法 |
JP2010138039A (ja) * | 2008-12-12 | 2010-06-24 | Panasonic Corp | 炭素材料の精製方法および精製装置、ならびに非水電解質二次電池 |
US20110200883A1 (en) * | 2009-10-29 | 2011-08-18 | Yi Cui | Devices, systems and methods for advanced rechargeable batteries |
CN101728538A (zh) * | 2009-11-26 | 2010-06-09 | 上海大学 | 用于锂离子电池正极的有序纳米结构硫/介孔碳复合材料 |
CN102163720A (zh) * | 2011-02-12 | 2011-08-24 | 中南大学 | 一种锂离子电池用硫化锂-多孔碳复合正极材料及制备方法 |
US20130164620A1 (en) * | 2011-12-23 | 2013-06-27 | Hyundai Motor Company | Cathode for lithium-sulfur secondary battery containing sulfur-infiltrated mesoporous nanocomposite structure and mesoporous nano conductive material |
JP2013143299A (ja) * | 2012-01-11 | 2013-07-22 | Idemitsu Kosan Co Ltd | 電極材料、電極及びそれを用いた電池 |
JP2013254620A (ja) * | 2012-06-06 | 2013-12-19 | Idemitsu Kosan Co Ltd | 正極合材スラリー及び電極シート |
WO2014112401A1 (ja) * | 2013-01-18 | 2014-07-24 | ソニー株式会社 | 電極用複合材料及びその製造方法並びに二次電池 |
US20140315100A1 (en) * | 2013-04-22 | 2014-10-23 | Yanbo Wang | Rechargeable lithium-sulfur battery having a high capacity and long cycle life |
CN103367791A (zh) * | 2013-07-15 | 2013-10-23 | 中国科学院化学研究所 | 一种新型锂离子电池 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019140099A (ja) * | 2018-02-14 | 2019-08-22 | 輝能科技股▲分▼有限公司Prologium Technology Co., Ltd. | 複合電極材料 |
WO2022090757A1 (ja) * | 2020-10-26 | 2022-05-05 | 日産自動車株式会社 | 電気デバイス用正極材料並びにこれを用いた電気デバイス用正極および電気デバイス |
JP7493054B2 (ja) | 2020-10-26 | 2024-05-30 | 日産自動車株式会社 | 電気デバイス用正極材料並びにこれを用いた電気デバイス用正極および電気デバイス |
Also Published As
Publication number | Publication date |
---|---|
US11177472B2 (en) | 2021-11-16 |
DE102015222553A1 (de) | 2016-06-30 |
DE102015222553B4 (de) | 2022-12-01 |
US20190260021A1 (en) | 2019-08-22 |
JP6873597B2 (ja) | 2021-05-19 |
US10326128B2 (en) | 2019-06-18 |
CN105742559A (zh) | 2016-07-06 |
CN105742559B (zh) | 2019-05-28 |
KR20160083485A (ko) | 2016-07-12 |
KR101673724B1 (ko) | 2016-11-23 |
US20160190565A1 (en) | 2016-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6873597B2 (ja) | 全固体リチウム電池の陽極及びこれを含む二次電池 | |
Wang et al. | Ultrafast charging high capacity asphalt–lithium metal batteries | |
KR102622286B1 (ko) | 슈퍼커패시터를 위한 그래핀 프레임워크 | |
KR102165543B1 (ko) | 고체 상태 전해질 물질을 가진 이온-전도 배터리 | |
Kim et al. | Long-term cycling stability of porous Sn anode for sodium-ion batteries | |
KR102245868B1 (ko) | 전고체 전지 및 전극 활물질의 제조 방법 | |
JP6449154B2 (ja) | 内部ナノ粒子を有する骨格マトリックス | |
US20160111721A1 (en) | Voltage-responsive coating for lithium-sulfur battery | |
KR101997261B1 (ko) | 유황 다공성 나노복합구조체와 다공성 나노도전재를 함유한 리튬 유황 이차전지용 양극 | |
US20200358086A1 (en) | Solid State Battery System Usable at High Temperatures and Methods of Use and Manufacture Thereof | |
JP2018507513A (ja) | 統合型エネルギー/電力デバイス | |
JP2020514948A (ja) | 全固体リチウムイオン蓄電池およびその製造方法 | |
US10608259B2 (en) | Lithium-air secondary battery and method of manufacturing the same | |
Yuan et al. | Baseline Si electrode fabrication and performance for the battery for Advanced Transportation Technologies Program | |
JP4430778B2 (ja) | リチウムイオン二次電池とその製造方法 | |
Obodo et al. | Carbon derivatives in performance improvement of lithium-ion battery electrodes | |
US20200381733A1 (en) | Titanium-based positive electrode materials for rechargeable calcium batteries and cell comprising the same | |
Lithium-Ion | Interfacial Engineering for Lithium Metal Batteries Based on Garnet | |
JP2022537039A (ja) | アルカリ金属二次電池とその用途 | |
CN116368655A (zh) | 先进的锂离子储能装置 | |
Rao et al. | Future Rechargables Lithium-Sulfur Battery: Present Status and Future Direction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20161125 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180608 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190614 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190618 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20190909 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191118 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200331 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200629 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201127 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210224 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210326 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210421 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6873597 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |