JP5021940B2 - 全固体アルカリ二次電池用無機ヒドロゲル電解質の製法 - Google Patents
全固体アルカリ二次電池用無機ヒドロゲル電解質の製法 Download PDFInfo
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- JP5021940B2 JP5021940B2 JP2006044402A JP2006044402A JP5021940B2 JP 5021940 B2 JP5021940 B2 JP 5021940B2 JP 2006044402 A JP2006044402 A JP 2006044402A JP 2006044402 A JP2006044402 A JP 2006044402A JP 5021940 B2 JP5021940 B2 JP 5021940B2
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- electrolyte
- hydrogel electrolyte
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- secondary battery
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- 239000003792 electrolyte Substances 0.000 title claims description 87
- 239000000017 hydrogel Substances 0.000 title claims description 70
- 239000007787 solid Substances 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title claims 2
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 48
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 48
- 229960001545 hydrotalcite Drugs 0.000 claims description 48
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- QANIADJLTJYOFI-UHFFFAOYSA-K aluminum;magnesium;carbonate;hydroxide;hydrate Chemical compound O.[OH-].[Mg+2].[Al+3].[O-]C([O-])=O QANIADJLTJYOFI-UHFFFAOYSA-K 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 74
- 239000011701 zinc Substances 0.000 description 33
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 27
- 229910052725 zinc Inorganic materials 0.000 description 27
- 239000007864 aqueous solution Substances 0.000 description 19
- 238000009792 diffusion process Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000006722 reduction reaction Methods 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007784 solid electrolyte Substances 0.000 description 6
- 206010016807 Fluid retention Diseases 0.000 description 5
- 239000002734 clay mineral Substances 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005499 meniscus Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910002640 NiOOH Inorganic materials 0.000 description 2
- 229910018605 Ni—Zn Inorganic materials 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000000970 chrono-amperometry Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005614 potassium polyacrylate Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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Classifications
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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
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Description
白色の粉末状である市販のHTは、そのまま用いたものと熱処理したものを用いた。脱酸素した7.3M KOH水溶液(または0.7M ZnOを含む脱酸素した7.3M KOH水溶液)10mlを入れたビーカーに異なる量(1.50g,1.75g,2.00g,2.25g,2.50g)の未熱処理あるいは熱処理済のHTを加えた後、全体的に白くなり、流動性がなくなるまでスターラーピースを用いて攪拌した。これらの操作はすべて室温で行った。
作製した無機ヒドロゲル電解質の流動性を調べるため、無機ヒドロゲル電解質(HT 2.00g/7.3M KOH水溶液 10ml)を作製したビーカーを逆さまにし、密閉したデシケータ中で所定の時間放置後のゲルの位置の変化を観察した。このゲルの流動性が高ければ、重力によりゲルは初期の位置より下がるはずである。図2無機ヒドロゲル電解質の流動性変化図に示したように、無機ヒドロゲル電解質の位置は63日後でさえまったく移動していなかった。このことから、作製したヒドロゲル電解質が外見上は完全な固体であり、2ヶ月以上安定にその形態を保つことが明らかになった。
O2+2H2O+4e− → 4OH− (1)
亜鉛析出反応は、次式(2)のように進行すると考えられる。
Zn(OH)4 2−+2e− → Zn+4OH− (2)
i(t)=nFcDπ-1/2t-1/2 (3)
ここで、i(t),n,F,c,D,tはそれぞれ還元電流、反応電子数、ファラデー定数、亜鉛種の濃度、亜鉛種の拡散係数、測定時間を示す。
(2)熱処理をしたHTを用いて作製した無機ヒドロゲル電解質の場合
500℃で1時間熱処理したHTを用いて作製した無機ヒドロゲル電解質の保水力を調べるために、クリープ特性を調べた。図9は7.3M KOH水溶液あるいは無機ヒドロゲル電解質中、−0.8V vs. Hg/HgOで定電位電解したときの還元電流の経時変化を示す。無機ヒドロゲル電解質の場合、還元電流の増大は大きく抑えられ、さらにHTの含有率が高くなるほどより大きく抑えられることがわかった。また、熱処理をした場合よりも還元電流の増大は抑えられた。以上の結果より、熱処理したHTを用いて作製した無機ヒドロゲル電解質はより高い保水性を有することが明らかになった。
Claims (3)
- 層状構造を有するハイドロタルサイト粉末と脱酸素した水酸化アルカリ水溶液を混合して、撹拌することを特徴とする全固体アルカリ二次電池用無機ヒドロゲル電解質の製法。
- 請求項1において、撹拌は、不活性雰囲気中で全体的に白濁して流動性がなくなるまで続けることを特徴とする請求項1に記載の全固体アルカリ二次電池用無機ヒドロゲル電解質の製法。
- 予め熱処理されたハイドロタルサイトを用いたことを特徴とする請求項1に記載の全固体アルカリ二次電池用無機ヒドロゲル電解質の製法。
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Cited By (1)
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US10201695B2 (en) | 2010-01-22 | 2019-02-12 | Ethicon Endo-Surgery, Inc. | Methods and devices for activating brown adipose tissue using electrical energy |
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CN102263261B (zh) * | 2011-06-21 | 2013-04-24 | 中南大学 | 一种锌铝水滑石在制备锌镍二次电池锌负极中的应用方法 |
CN102263262B (zh) * | 2011-06-21 | 2013-09-11 | 中南大学 | 一种阴离子型锌基水滑石在制备锌镍二次电池锌负极中的应用方法 |
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WO2016006350A1 (ja) * | 2014-07-09 | 2016-01-14 | 日本碍子株式会社 | ニッケル亜鉛電池 |
WO2016006349A1 (ja) * | 2014-07-09 | 2016-01-14 | 日本碍子株式会社 | ニッケル亜鉛電池 |
CN104269557B (zh) * | 2014-09-28 | 2016-05-25 | 中南大学 | 一种锌负极添加剂在锌镍二次电池中的应用方法 |
EP3203546B1 (en) | 2014-10-01 | 2019-06-19 | NGK Insulators, Ltd. | Battery using layered double hydroxide |
JP6408878B2 (ja) * | 2014-10-01 | 2018-10-17 | 日本碍子株式会社 | 水酸化物イオン伝導性セラミックスセパレータを用いた二次電池 |
EP3139437B1 (en) * | 2014-11-13 | 2020-06-17 | NGK Insulators, Ltd. | Separator structure body for use in zinc secondary battery |
JP6429378B2 (ja) * | 2014-12-15 | 2018-11-28 | 日本碍子株式会社 | 水酸化物イオン伝導性セラミックスセパレータを用いた二次電池 |
EP3273522B1 (en) * | 2015-03-19 | 2020-04-29 | NGK Insulators, Ltd. | Battery and assembly method therefor |
KR20180018737A (ko) | 2015-09-25 | 2018-02-21 | 세키스이가세이힝코교가부시키가이샤 | 하이드로겔 및 그 제조 방법 |
WO2018198607A1 (ja) * | 2017-04-26 | 2018-11-01 | 日本碍子株式会社 | 二次電池 |
CN109244496A (zh) * | 2018-10-10 | 2019-01-18 | 嘉兴华荣电池有限公司 | 一种碱性电池的电解液 |
CN109980302B (zh) * | 2019-04-29 | 2021-02-12 | 中南大学 | 一种水系锌离子电池胶体电解质及其制备方法和应用 |
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DE4033102A1 (de) * | 1990-10-18 | 1992-04-23 | Varta Batterie | Alkalischer elektrolyt fuer galvanische elemente |
JP3748995B2 (ja) * | 1997-09-10 | 2006-02-22 | 昭和電工株式会社 | 高分子固体電解質及びその用途 |
JP5070660B2 (ja) * | 2000-10-30 | 2012-11-14 | 住友化学株式会社 | 多孔性フィルム、電池用セパレータおよび電池 |
JP2002200670A (ja) * | 2000-10-30 | 2002-07-16 | Sumitomo Chem Co Ltd | 多孔性フィルムの製造方法 |
JP4045918B2 (ja) * | 2002-10-23 | 2008-02-13 | トヨタ自動車株式会社 | プロトン伝導膜及びその製造方法 |
JP4107116B2 (ja) * | 2003-03-14 | 2008-06-25 | トヨタ自動車株式会社 | プロトン伝導性材料、プロトン伝導性材料膜、及び燃料電池 |
JP4438400B2 (ja) * | 2003-12-22 | 2010-03-24 | 三菱化学株式会社 | 多孔性フィルム及びその製造方法、並びにそれを用いた電池用セパレータ |
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US10201695B2 (en) | 2010-01-22 | 2019-02-12 | Ethicon Endo-Surgery, Inc. | Methods and devices for activating brown adipose tissue using electrical energy |
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