JP2014167936A - リチウムイオン用途のための安定化リチウム金属粉末およびアノード - Google Patents
リチウムイオン用途のための安定化リチウム金属粉末およびアノード Download PDFInfo
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 116
- 229910001416 lithium ion Inorganic materials 0.000 title description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 42
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- -1 polytetrafluoroethylene Polymers 0.000 claims description 26
- 239000010410 layer Substances 0.000 claims description 11
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 4
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 4
- 229920000553 poly(phenylenevinylene) Polymers 0.000 claims description 4
- 229920000767 polyaniline Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
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- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
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- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 21
- 239000002904 solvent Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002161 passivation Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 67
- 239000006185 dispersion Substances 0.000 description 46
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 33
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 24
- 239000003921 oil Substances 0.000 description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 20
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 15
- 239000004215 Carbon black (E152) Substances 0.000 description 13
- 229930195733 hydrocarbon Natural products 0.000 description 13
- 150000002430 hydrocarbons Chemical class 0.000 description 13
- 238000003756 stirring Methods 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000009775 high-speed stirring Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 229910000856 hastalloy Inorganic materials 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 6
- 238000013112 stability test Methods 0.000 description 6
- 238000010939 advanced reactive system screening zool Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000006182 cathode active material Substances 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910018871 CoO 2 Inorganic materials 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
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- 239000012467 final product Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000013529 heat transfer fluid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012454 non-polar solvent Substances 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229920004943 Delrin® Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 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 1
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
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- H—ELECTRICITY
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- 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
- H01M4/134—Electrodes based on metals, Si or alloys
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- H01M4/02—Electrodes composed of, or comprising, active material
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- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/381—Alkaline or alkaline earth metals elements
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Abstract
【解決手段】実質的に連続なポリマー層によって保護されたリチウム金属粉末であり、前記ポリマー層は、リチウム金属とポリマーを、リチウム金属の融点とポリマーの融点との間の温度で接触させることによって設けられる。このような実質的に連続なポリマー層においては、典型的なCO2によって不動態化されたリチウム金属などよりも改善された保護効果が得られる。
【選択図】図1
Description
本出願は、2007年8月31日に出願された米国仮出願第60/969,267号の利益を主張し、その内容全体が引用することにより本明細書に組み入れられる:。
電池グレードのリチウム金属(405g)を2×2インチの断片に切断し、一定流量の乾燥アルゴン下、室温で、固定高速撹拌機モータに接続された撹拌シャフトが取り付けられた4インチの上部を有する3リットルのステンレス鋼フラスコ反応器に投入した。反応器に上部マントルヒーターおよび底部マントルヒーターを取り付けた。次に反応器を組み立て、1041.4gのペネテック(Penetek)(商標)油(ペンレコ(Penreco))、ペンゾイル・プロダクツ・カンパニー(Penzoil Products Company)の一部門)を加えた。次に反応器を約200℃まで加熱し、250rpm〜800rpmの範囲内の穏やかな撹拌を維持することですべての金属を溶融させ、アルゴン流を加熱ステップ全体にわたって維持した。次に混合物を高速(最高10,000rpm)で2分間撹拌した。オレイン酸8.1gを反応器中に投入し、さらに3分間高速撹拌した後、5.1gのCO2を加えた。次に高速撹拌を停止し、マントルヒーターを取り外し、分散体を約50℃まで冷却し、貯蔵瓶に移した。さらに、アルゴン気流下、密閉した焼結ガラスフィルタ漏斗中で、リチウム分散体を濾過し、ヘキサンで3回洗浄し、n−ペンタンで1回洗浄して、炭化水素油媒体を除去した。漏斗をヒートガンで加熱して微量の溶媒を除去し、得られた易流動性粉末を蓋がきつく閉まる貯蔵瓶に移した。
アルゴン雰囲気下、室温で、ペネテック(商標)鉱油(4449g)および1724gの電池グレードのリチウム金属を15リットルのジャケット付き分散反応器に加えた。次に、ジャケット内に高温の伝熱流体を圧送することによって、反応器を室温から200℃まで加熱した。加熱中、伝熱を促進するため、分散撹拌機を低速に維持した。反応器内部の温度が200℃に達した後、分散撹拌機速度を5000rpmまで増加させた。3.5分間の高速撹拌の後、36gのオレイン酸を反応器中に投入し、高速撹拌をさらに4.5分間続けた後、22gのCO2ガスを加えた。さらに4分間の高速撹拌の後、高速撹拌機を停止し、反応器の内容物を室温まで冷却した。この冷却プロセス中、低速撹拌を使用して懸濁液中での分散を維持した。アルゴン圧力下でリチウム分散体をバッチフィルタに移し、鉱油を流出させた。フィルタ中の分散体をヘキサンで4回洗浄し、続いて乾燥アルゴンをフィルタを通過するように吹き付けて、残留する揮発性有機物を除去した。乾燥した安定化ポリマーコーティングリチウム分散体を最終生成物としてフィルタから取り出した。
以下に、分割直前の原出願(特願2010−522937号)の特許請求の範囲を示す。
[請求項1]
a)リチウム金属を炭化水素油と接触させるステップと、
b)前記リチウム金属および炭化水素油を前記リチウム金属の融点よりも高温に加熱するステップと、
c)前記加熱されたリチウム金属および炭化水素油を、前記リチウム金属を前記油中に分散させるのに十分な条件にさらすステップと、
d)前記リチウム金属上に連続なポリマー層を設けるために、前記リチウム金属を、ポリウレタン、ポリテトラフルオロエチレン、ポリフッ化ビニル、ポリ塩化ビニル、ポリスチレン、ポリエチレン、ポリプロピレン、ポリホルムアルデヒド、スチレン−ブタジエン−スチレンブロックポリマー、エチレン酢酸ビニル、エチレンアクリル酸コポリマー、ポリエチレンオキシド、ポリイミド、ポリチオフェン、ポリ(パラ−フェニレン)、ポリアニリン、ポリ(p−フェニレンビニレン)、シリカチタニア系コポリマー、不飽和ポリカルボン酸、およびポリシロキサンからなる群より選択されるポリマーと、前記リチウム金属の融点と前記ポリマーの融点との間の温度で接触させるステップと
を含む、安定化リチウム金属粉末の分散体の形成方法であって、
前記安定化リチウム金属粉末が、連続なポリマー層でコーティングされた安定化リチウム金属粉末であって、前記ポリマーが、ポリウレタン、ポリテトラフルオロエチレン、ポリフッ化ビニル、ポリ塩化ビニル、ポリスチレン、ポリエチレン、ポリプロピレン、ポリホルムアルデヒド、スチレン−ブタジエン−スチレンブロックポリマー、エチレン酢酸ビニル、エチレンアクリル酸コポリマー、ポリエチレンオキシド、ポリイミド、ポリチオフェン、ポリ(パラ−フェニレン)、ポリアニリン、ポリ(p−フェニレンビニレン)、シリカチタニア系コポリマー、不飽和ポリカルボン酸、およびポリシロキサンからなる群より選択される、安定化リチウム金属粉末である、安定化リチウム金属粉末の分散体の形成方法。
[請求項2]
前記連続なポリマー層が、25〜200nmの厚さを有する請求項1に記載の安定化リチウム金属粉末の分散体の形成方法。
[請求項3]
前記連続なポリマー層の上に無機コーティング層をさらに含む請求項2に記載の安定化リチウム金属粉末の分散体の形成方法。
Claims (4)
- 連続なポリマー層でコーティングされた安定化リチウム金属粉末であって、前記ポリマーが、ポリウレタン、ポリテトラフルオロエチレン、ポリフッ化ビニル、ポリ塩化ビニル、ポリスチレン、ポリエチレン、ポリプロピレン、ポリホルムアルデヒド、スチレン−ブタジエン−スチレンブロックポリマー、エチレン酢酸ビニル、エチレンアクリル酸コポリマー、ポリエチレンオキシド、ポリイミド、ポリチオフェン、ポリ(パラ−フェニレン)、ポリアニリン、ポリ(p−フェニレンビニレン)、シリカチタニア系コポリマー、不飽和ポリカルボン酸、およびポリシロキサンからなる群より選択される、安定化リチウム金属粉末であって、
前記連続なポリマーが、リチウム金属を、前記ポリマーと、前記リチウム金属の融点と前記ポリマーの融点との間の温度で接触させることによって設けられる、安定化リチウム金属粉末。 - 前記連続なポリマー層が、25〜200nmの厚さを有する請求項1に記載の安定化リチウム金属粉末。
- 前記連続なポリマー層の上に、無機コーティング層をさらに含む請求項2に記載の安定化リチウム金属粉末。
- 請求項1〜3のいずれか1項に記載の前記安定化リチウム金属粉末を用いたアノード。
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EP2186151B1 (en) | 2013-12-04 |
JP5548126B2 (ja) | 2014-07-16 |
GB2463217B (en) | 2013-02-13 |
GB201211010D0 (en) | 2012-08-01 |
CA2696771C (en) | 2016-05-24 |
GB2463217A (en) | 2010-03-10 |
US20180261829A1 (en) | 2018-09-13 |
RU2010112410A (ru) | 2011-10-10 |
JP6001596B2 (ja) | 2016-10-05 |
EP2463940A1 (en) | 2012-06-13 |
GB201000554D0 (en) | 2010-03-03 |
CN101790806A (zh) | 2010-07-28 |
US20170149052A1 (en) | 2017-05-25 |
KR20100081304A (ko) | 2010-07-14 |
WO2009029270A1 (en) | 2009-03-05 |
GB2490433A (en) | 2012-10-31 |
GB2490433B (en) | 2013-02-27 |
JP2010538424A (ja) | 2010-12-09 |
US20090061321A1 (en) | 2009-03-05 |
EP2463940B1 (en) | 2014-07-02 |
US11171323B2 (en) | 2021-11-09 |
EP2186151A1 (en) | 2010-05-19 |
CN105618735A (zh) | 2016-06-01 |
CA2696771A1 (en) | 2009-03-05 |
DE112008002212T5 (de) | 2010-07-08 |
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