JP5681788B2 - イオン伝導性組成物、分散系、イオン伝導性組成物の製造方法及び固体電解質電池 - Google Patents
イオン伝導性組成物、分散系、イオン伝導性組成物の製造方法及び固体電解質電池 Download PDFInfo
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- JP5681788B2 JP5681788B2 JP2013505781A JP2013505781A JP5681788B2 JP 5681788 B2 JP5681788 B2 JP 5681788B2 JP 2013505781 A JP2013505781 A JP 2013505781A JP 2013505781 A JP2013505781 A JP 2013505781A JP 5681788 B2 JP5681788 B2 JP 5681788B2
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- 239000000203 mixture Substances 0.000 title claims description 58
- 239000007784 solid electrolyte Substances 0.000 title claims description 35
- 239000006185 dispersion Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- -1 silica alkoxide Chemical class 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000002612 dispersion medium Substances 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 19
- 239000010949 copper Substances 0.000 description 16
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 14
- 229910001416 lithium ion Inorganic materials 0.000 description 14
- 239000011149 active material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 238000000265 homogenisation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000007792 addition Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000007773 negative electrode material Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910009178 Li1.3Al0.3Ti1.7(PO4)3 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
- H01M2300/002—Inorganic electrolyte
-
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Conductive Materials (AREA)
Description
(a)シリカアルコキシドを縮合させること、
(b)工程(a)の前のシリカアルコキシド又は工程(a)で得られた縮合物と、Li及びIと、Co及びCuの少なくとも一方と、を混合すること
を備える製造方法によって製造可能である。
本実施形態の導電性組成物は、Li、I及びSiと、Co及びCuの少なくとも一方と、を含有する。
本実施形態の分散系は、液体である分散媒と、上記分散媒中に分散する上記導電性組成物と、を含有する。分散系は、エマルション、ゾル又はコロイド等と言い換えられてもよい。
本実施形態の固体電解質電池は、正極、負極、及び正極と負極との間に配置された上記電導性組成物を備える。
導電性組成物の製造方法は、下記工程(a)及び(b):
(a)シリカアルコキシドを縮合させること、
(b)工程(a)の前のシリカアルコキシド又は工程(a)で得られた縮合物と、Li及びIと、Co及びCuの少なくとも一方と、を混合すること
を備えてもよい。
図1に示す固体電解質電池の製造方法の例を説明する。
シリカアルコキシドとしての0.1molのテトラエトキシシラン(和光純薬工業社製)を、20g水、20gエタノールとを混合し、ホモジナイザー(日本精機株式会社社製 オートホモジナイザー)によって、5000回転にて5分間ホモジナイズした。
上記(1)で得られた粉末の導電性組成物と、単体の硫黄とを、1:1の重量比で混合することで、活物質を得た。活物質70重量部と、アセチレンブラッ20重量部と、バインダであるPTFE(ポリテトラフルオロエチレン)10重量部とを、乳鉢で混合することで、混練体を得た。混練体を成形して、円盤形のペレットを得た。
(1)により得られた導電性物質をステンレス電極で0.2kgfの圧力にて挟み、交流インピーダンス法によって、室温(約20℃)におけるインピーダンスの実数部分R(Ω)を測定した。積層体のイオン伝導率σ(S/cm)を、インピーダンス成分R(Ω)、電解質サンプルの厚さd(cm)及びリチウム箔の面積A(cm2)から、イオン伝導率σ(S/cm)=d/(R×A)の式に則って求めた。
このようにして得られた試料片について、0.01mAの定電流放電で放電容量を測定したところ、放電開始時の電圧は約2.5Vであり、放電容量は980mAh/gであった。
本実施例により、新規の導電性組成物が、液体電解質と同程度である1.0×10-3S/cmレベルの導電性を有することが確認された。
2 正極
3 負極
4 固体電解質層
5 正極側集電層
6 負極側集電層
Claims (6)
- 式LixMzI(1−z)SiOyで表される化合物によって構成され、
MはCo及びCuの少なくとも一方を含み、xとyは、x>0及びy>0を満たすと共に、前記式で表される化合物における価数がゼロになるような値であり、zは0<z<1を満たす、イオン伝導性組成物。 - 液体である分散媒と、
前記分散媒中に分散する請求項1に記載のイオン伝導性組成物と、
を有する分散系。 - 請求項1に記載のイオン伝導性組成物の製造方法であって、
下記工程(a)及び(b):
(a)シリカアルコキシドを縮合させること、
(b)工程(a)の前のシリカアルコキシド又は工程(a)で得られた縮合物と、Li及びIと、Mと、を混合すること
を備え、
MはCo及びCuの少なくとも一方を含み、各元素のモル比はSi:Li:I:M=1:x:(1−z):zであり、xはx>0を満たし、zは0<z<1を満たす、
イオン伝導性組成物の製造方法。 - 前記工程(a)により得られた縮合物を、溶液中でホモジナイズすること、
をさらに備える
請求項3に記載のイオン伝導性組成物の製造方法。 - 正極と、
負極と、
前記正極と前記負極との間に配置された請求項1に記載のイオン伝導性組成物と、
を備える固体電解質電池。 - 正極と、
負極と、
前記正極と前記負極との間に配置された固体電解質層と、を備え、
前記正極及び負極の少なくとも一方が、請求項1に記載のイオン伝導性組成物を含有する、
固体電解質電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013505781A JP5681788B2 (ja) | 2011-03-23 | 2011-12-28 | イオン伝導性組成物、分散系、イオン伝導性組成物の製造方法及び固体電解質電池 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011063921 | 2011-03-23 | ||
JP2011063921 | 2011-03-23 | ||
PCT/JP2011/080433 WO2012127762A1 (ja) | 2011-03-23 | 2011-12-28 | 導電性組成物、分散系、導電性組成物の製造方法及び固体電解質電池 |
JP2013505781A JP5681788B2 (ja) | 2011-03-23 | 2011-12-28 | イオン伝導性組成物、分散系、イオン伝導性組成物の製造方法及び固体電解質電池 |
Publications (2)
Publication Number | Publication Date |
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JPWO2012127762A1 JPWO2012127762A1 (ja) | 2014-07-24 |
JP5681788B2 true JP5681788B2 (ja) | 2015-03-11 |
Family
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JP2013505781A Expired - Fee Related JP5681788B2 (ja) | 2011-03-23 | 2011-12-28 | イオン伝導性組成物、分散系、イオン伝導性組成物の製造方法及び固体電解質電池 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5681788B2 (ja) |
CN (1) | CN103443864B (ja) |
WO (1) | WO2012127762A1 (ja) |
Families Citing this family (1)
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JPWO2022070810A1 (ja) * | 2020-09-29 | 2022-04-07 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS581974A (ja) * | 1981-06-17 | 1983-01-07 | ジプレツク | 電気化学的発電機 |
JPH10144302A (ja) * | 1996-11-06 | 1998-05-29 | Japan Storage Battery Co Ltd | 非水電解質電池用電極の製造方法及びその電極を用いた非水電解質電池 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3163741B2 (ja) * | 1992-05-08 | 2001-05-08 | 松下電器産業株式会社 | 非晶質リチウムイオン導電性固体電解質およびその製造方法 |
CN1156911A (zh) * | 1996-02-07 | 1997-08-13 | 王万喜 | 固态聚合物高能电池 |
JP2004128222A (ja) * | 2002-10-02 | 2004-04-22 | Nippon Paint Co Ltd | 蓄電素子 |
JP3690684B2 (ja) * | 2003-04-18 | 2005-08-31 | 松下電器産業株式会社 | 固体電解質およびそれを含んだ全固体電池 |
JP2006120437A (ja) * | 2004-10-21 | 2006-05-11 | Matsushita Electric Ind Co Ltd | 固体電解質電池 |
FR2912398B1 (fr) * | 2007-02-09 | 2009-04-24 | Centre Nat Rech Scient | Silicates mixtes de lithium |
JP5353255B2 (ja) * | 2009-01-14 | 2013-11-27 | トヨタ自動車株式会社 | 固体電解質の前駆体溶液の調製方法及び固体電解質膜の製造方法 |
CN101604745B (zh) * | 2009-07-07 | 2011-09-28 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子动力电池用硅酸盐正极材料及其制备方法、锂离子动力电池 |
-
2011
- 2011-12-28 JP JP2013505781A patent/JP5681788B2/ja not_active Expired - Fee Related
- 2011-12-28 CN CN201180069517.0A patent/CN103443864B/zh not_active Expired - Fee Related
- 2011-12-28 WO PCT/JP2011/080433 patent/WO2012127762A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS581974A (ja) * | 1981-06-17 | 1983-01-07 | ジプレツク | 電気化学的発電機 |
JPH10144302A (ja) * | 1996-11-06 | 1998-05-29 | Japan Storage Battery Co Ltd | 非水電解質電池用電極の製造方法及びその電極を用いた非水電解質電池 |
Non-Patent Citations (2)
Title |
---|
JPN6014028750; 棗田俊介他: 'Cu及びLiイオン伝導体と絶縁体のナノ複合化イオン伝導特性' 化学関連支部合同九州大会・外国人研究者交流国際シンポジウム講演予稿集 , 2007, pp.251 * |
JPN6014028751; 環境調和型新材料シリーズ 燃料電池材料 初版, 2007, pp.150, 日刊工業新聞社 * |
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WO2012127762A1 (ja) | 2012-09-27 |
CN103443864B (zh) | 2016-01-13 |
JPWO2012127762A1 (ja) | 2014-07-24 |
CN103443864A (zh) | 2013-12-11 |
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