JP2010177231A - 電気二重層キャパシタ用電解液及び電気二重層キャパシタ - Google Patents
電気二重層キャパシタ用電解液及び電気二重層キャパシタ Download PDFInfo
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- JP2010177231A JP2010177231A JP2009015028A JP2009015028A JP2010177231A JP 2010177231 A JP2010177231 A JP 2010177231A JP 2009015028 A JP2009015028 A JP 2009015028A JP 2009015028 A JP2009015028 A JP 2009015028A JP 2010177231 A JP2010177231 A JP 2010177231A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 131
- 239000008151 electrolyte solution Substances 0.000 title claims abstract description 128
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 32
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 26
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 24
- 239000002904 solvent Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims description 54
- 230000000996 additive effect Effects 0.000 claims description 49
- 125000000962 organic group Chemical group 0.000 claims description 10
- 125000005843 halogen group Chemical group 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 abstract description 24
- 238000005470 impregnation Methods 0.000 abstract description 21
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 125000001424 substituent group Chemical group 0.000 abstract 1
- -1 aliphatic quaternary ammonium salt Chemical class 0.000 description 38
- 230000000052 comparative effect Effects 0.000 description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 21
- 229940021013 electrolyte solution Drugs 0.000 description 20
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 18
- 230000002829 reductive effect Effects 0.000 description 14
- VCYDUTCMKSROID-UHFFFAOYSA-N 2,2,4,4,6,6-hexakis-phenyl-1,3,5,2,4,6-trioxatrisilinane Chemical compound O1[Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)O[Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)O[Si]1(C=1C=CC=CC=1)C1=CC=CC=C1 VCYDUTCMKSROID-UHFFFAOYSA-N 0.000 description 13
- 239000003153 chemical reaction reagent Substances 0.000 description 12
- BMOGDWCLOBWOSC-UHFFFAOYSA-N trimethyl-[methyl(diphenyl)silyl]oxysilane Chemical compound C=1C=CC=CC=1[Si](C)(O[Si](C)(C)C)C1=CC=CC=C1 BMOGDWCLOBWOSC-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- VSIKJPJINIDELZ-UHFFFAOYSA-N 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound O1[Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)O[Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)O[Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)O[Si]1(C=1C=CC=CC=1)C1=CC=CC=C1 VSIKJPJINIDELZ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 4
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 4
- IVZTVZJLMIHPEY-UHFFFAOYSA-N triphenyl(triphenylsilyloxy)silane Chemical compound C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(C=1C=CC=CC=1)O[Si](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 IVZTVZJLMIHPEY-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 125000002071 phenylalkoxy group Chemical group 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 125000005504 styryl group Chemical group 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- PZHIWRCQKBBTOW-UHFFFAOYSA-N 1-ethoxybutane Chemical compound CCCCOCC PZHIWRCQKBBTOW-UHFFFAOYSA-N 0.000 description 1
- OYOKPDLAMOMTEE-UHFFFAOYSA-N 4-chloro-1,3-dioxolan-2-one Chemical compound ClC1COC(=O)O1 OYOKPDLAMOMTEE-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 239000002000 Electrolyte additive Substances 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- JGFBQFKZKSSODQ-UHFFFAOYSA-N Isothiocyanatocyclopropane Chemical compound S=C=NC1CC1 JGFBQFKZKSSODQ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PWLNAUNEAKQYLH-UHFFFAOYSA-N butyric acid octyl ester Natural products CCCCCCCCOC(=O)CCC PWLNAUNEAKQYLH-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- ZPBVUMUIOIGYRV-UHFFFAOYSA-N ethyl trifluoromethyl carbonate Chemical compound CCOC(=O)OC(F)(F)F ZPBVUMUIOIGYRV-UHFFFAOYSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 1
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical group C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- VOVUARRWDCVURC-UHFFFAOYSA-N thiirane Chemical compound C1CS1 VOVUARRWDCVURC-UHFFFAOYSA-N 0.000 description 1
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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
- Y02E60/13—Energy storage using capacitors
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- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
【解決手段】溶媒中に電解質として第4級アンモニウム塩を含有させた電解液に、置換基に少なくともフェニル基が1個以上含有するシロキサン誘導体を添加することで、電極及びセパレータとの含浸性が向上し、極めて低い漏れ電流特性及び優れた電圧保持電特性を発揮できる。
【選択図】なし
Description
添加剤が、下記一般式(1)で表されるシロキサン誘導体であることを特徴とする電気二重層キャパシタ用電解液である。
添加剤が、下記一般式(2)で表されるシロキサン誘導体であることを特徴とする電気二重層キャパシタ用電解液である。
また、陰イオンは、非金属元素のみからなるアニオンが好ましいが、これらに限定されるものではない。例えば、BF4 −、PF6 −、CF3SO3 −、N(CF3SO2)2 −、N(C2F5SO2)2 −、N(CF3SO2)(C4F9SO2)−、C(CF3SO2)3 −、C(C2F5SO2)3 −からなる群から選択されることが好ましい。なお、これらのアニオンは、2種以上が混合されていてもよい。
[電気二重層キャパシタ用電解液の調整]
プロピレンカーボネートに濃度1.0mol/Lとなるようにスピロ−(1,1’)−ビピロリジニウムテトラフルオロボレートを加え、テトラメチルジフェニルジシロキサン(Fluka社製試薬)を0.1重量%添加し、脱水して水分値を20ppm以下にした電気二重層キャパシタ用電解液を得た(この電解液及び電解液を用いた電気二重層キャパシタを「発明品1」とする)。
[電気二重層キャパシタの作製]
実施例1の電解液(発明品1〜12及び比較品1〜12)を用いて、図1に示すような電気二重層キャパシタを作製した。
それぞれの電気二重層キャパシタについて、20℃において充放電試験を行った。各キャパシタを所定の測定温度下に30分以上放置し、キャパシタが所定温度に達した後、定格電圧として2.5Vを30分印加後、放電電流2mAにて定電流放電し、キャパシタ端子間電圧が2Vから1Vになるまでの時間より静電容量を算出した。また、放電の下限値を0.0Vとした。内部抵抗は静電容量測定時と同様に定格電圧として2.5Vを30分印加後、放電電流100mAにて定電流放電したときのIRドロップより算出した。漏れ電流は静電容量測定時と同様に、定格電圧として2.5Vを30分印加後、回路中に直列接続した定格1kΩの精密抵抗の抵抗間電圧を測定することで算出した。これらの測定結果を表4に示す。
2 負極電極
3 集電体
4 電解質
5 セパレータ
6 正極電極
7 正極ケース
8 ガスケット
Claims (4)
- 添加剤の含有量が、0.001〜1.0重量%であることを特徴とする請求項1又は2に記載の電気二重層キャパシタ用電解液。
- セパレータを挟み込んだ分極性電極に、請求項1から3のいずれかに記載の電気二重層キャパシタ用電解液を含浸させ、これを容器に密閉してなる電気二重層キャパシタ。
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JP2009015028A JP5305343B2 (ja) | 2009-01-27 | 2009-01-27 | 電気二重層キャパシタ用電解液及び電気二重層キャパシタ |
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JP2009015028A JP5305343B2 (ja) | 2009-01-27 | 2009-01-27 | 電気二重層キャパシタ用電解液及び電気二重層キャパシタ |
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JP2010177231A true JP2010177231A (ja) | 2010-08-12 |
JP5305343B2 JP5305343B2 (ja) | 2013-10-02 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004071458A (ja) * | 2002-08-08 | 2004-03-04 | Mitsubishi Chemicals Corp | 非水電解液二次電池 |
JP2004265609A (ja) * | 2003-01-23 | 2004-09-24 | Sony Corp | 電極および電池 |
JP2007053080A (ja) * | 2005-07-19 | 2007-03-01 | Matsushita Electric Ind Co Ltd | 非水電解液およびそれを用いた電気化学エネルギー蓄積デバイス |
JP2008277503A (ja) * | 2007-04-27 | 2008-11-13 | Japan Carlit Co Ltd:The | 電気二重層キャパシタ用電解液及び電気二重層キャパシタ |
-
2009
- 2009-01-27 JP JP2009015028A patent/JP5305343B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004071458A (ja) * | 2002-08-08 | 2004-03-04 | Mitsubishi Chemicals Corp | 非水電解液二次電池 |
JP2004265609A (ja) * | 2003-01-23 | 2004-09-24 | Sony Corp | 電極および電池 |
JP2007053080A (ja) * | 2005-07-19 | 2007-03-01 | Matsushita Electric Ind Co Ltd | 非水電解液およびそれを用いた電気化学エネルギー蓄積デバイス |
JP2008277503A (ja) * | 2007-04-27 | 2008-11-13 | Japan Carlit Co Ltd:The | 電気二重層キャパシタ用電解液及び電気二重層キャパシタ |
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