JP6049212B2 - 陰イオン交換樹脂、燃料電池用電解質膜、電極触媒層形成用バインダー、電池電極触媒層および燃料電池 - Google Patents
陰イオン交換樹脂、燃料電池用電解質膜、電極触媒層形成用バインダー、電池電極触媒層および燃料電池 Download PDFInfo
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Description
単数の芳香環からなる、または、2価の炭化水素基、2価のケイ素含有基、2価の窒素含有基、2価のリン含有基、2価の酸素含有基、2価の硫黄含有基、もしくは炭素−炭素結合を介して互いに結合する複数の芳香環からなる2価の疎水性基と、
単数の芳香環からなる、または、2価の炭化水素基もしくは炭素−炭素結合を介して互いに結合する複数の芳香環からなり、前記芳香環のうち少なくとも1つが陰イオン交換基を有する2価の親水性基と
からなり、
前記疎水性基がエーテル結合を介して互いに結合する疎水ユニットと、
前記親水性基が炭素−炭素結合を介して互いに結合する親水ユニットと
を有し、
前記疎水ユニットと前記親水ユニットとが炭素−炭素結合を介して結合されている陰イオン交換樹脂であって、
前記親水性基が、下記式(3)で示される、前記陰イオン交換基を含む置換基で置換されているビスフェノールフルオレン残基であることを特徴とする。
上記の陰イオン交換樹脂を含む電解質膜と、
前記電解質膜を挟んで対向配置され、含水素燃料が供給される燃料側電極、および、酸素または空気が供給される酸素側電極と、
を備えたことを特徴とする。
電解質膜と、
前記電解質膜を挟んで対向配置され、含水素燃料が供給される燃料側電極、および、酸素または空気が供給される酸素側電極と
を備え、
前記燃料側電極および/または前記酸素側電極が、上記の電池電極触媒層を含むことを特徴とする。
[イオン交換基容量(meq./g)]=イオン交換基導入量×m×1000/(第1オリゴマーまたは第2オリゴマーの分子量×p+親水ユニットの分子量×mまたはq+イオン交換基の分子量×mまたはq) (24)
(式中、mは、上記式(9)または上記式(9’)のmと同意義を示し、pは、上記式(7)のpと同意義を示し、qは、上記式(10’’)のqと同意義を示す。)
なお、イオン交換基導入量とは、単位親水性基あたりのイオン交換基の数と定義される。
<第1オリゴマーの合成>
窒素インレットおよびディーンスタックトラップを備えた100mlの丸底三口フラスコに、ヘキサフルオロビスフェノールA(2,2−ビス(4−ヒドロキシフェニル)ヘキサフルオロプロパン)(3.36g、10.0mmol)、炭酸カリウム(2.07g、15.0mmol)、N,N−ジメチルアセトアミド(23ml)、トルエン(5ml)を加えた。この混合物を撹拌してヘキサフルオロビスフェノールAを溶解させた後、150℃に昇温してトルエンで共沸しながら3時間脱水した。
窒素インレットを備えた100mlの丸底三口フラスコに、第1オリゴマー(3.00g、0.893mmol)、4−クロロフェノール(0.29g、2.2mmol)、炭酸カリウム(0.43g、3.0mmol)、N,N−ジメチルアセトアミド(30ml)を加えた。この混合物を撹拌して第1オリゴマーおよび4−クロロフェノールを溶解した後、40℃に昇温して3時間反応させた。
窒素インレット、メカニカルスターラーおよび冷却管を備えた100mlの丸底三口フラスコに、第2オリゴマー(0.60g、0.14mmol)、1,4−ジクロロベンゼン(0.04g、0.3mmol)、1,3−ジクロロベンゼン(0.16g、1.1mmol)、2,2’−ビピリジン(0.57g、3.6mmol)、ビス(1,5−シクロオクタジエン)ニッケル(0)(1.00g、3.60mmol)、N,N−ジメチルアセトアミド(10ml)を加えた。この混合物を撹拌して第2オリゴマー、1,4−ジクロロベンゼン、1,3−ジクロロベンゼンを溶解させた後に、80℃に加熱して3時間反応させた。
(クロロメチル化反応)
100mlのガラス反応容器に陰イオン交換樹脂前駆体ポリマー(0.60g)と1,1,2,2−テトラクロロエタン(27ml)を加えた。この混合物を撹拌して陰イオン交換樹脂前駆体ポリマーを溶解させた後に、アルゴンで置換したグローブボックス中において、クロロメチルメチルエーテル(16ml)、塩化亜鉛(0.5mol/Lテトラヒドロフラン溶液)(3ml)を加えて、80℃で5日間反応させた。
クロロメチル化された陰イオン交換樹脂前駆体ポリマーの膜を、トリメチルアミン45質量%水溶液中に室温で2日間浸漬させ、四級化させることにより、透明な陰イオン交換樹脂の膜を得た。
実施例で得た陰イオン交換樹脂の膜に対し、耐久試験を行った。具体的には、試験前の陰イオン交換樹脂の膜のIR測定と、1M KOH水溶液(80℃)に24時間浸漬後の陰イオン交換樹脂の膜のIR測定を行った。
2 燃料側電極
3 酸素側電極
4 電解質膜
S 燃料電池セル
Claims (9)
- 単数の芳香環からなる、または、2価の炭化水素基、2価のケイ素含有基、2価の窒素含有基、2価のリン含有基、2価の酸素含有基、2価の硫黄含有基、もしくは炭素−炭素結合を介して互いに結合する複数の芳香環からなる2価の疎水性基と、
単数の芳香環からなる、または、2価の炭化水素基もしくは炭素−炭素結合を介して互いに結合する複数の芳香環からなり、前記芳香環のうち少なくとも1つが陰イオン交換基を有する2価の親水性基と
からなり、
前記疎水性基がエーテル結合を介して互いに結合する疎水ユニットと、
前記親水性基が炭素−炭素結合を介して互いに結合する親水ユニットと
を有し、
前記疎水ユニットと前記親水ユニットとが炭素−炭素結合を介して結合されている陰イオン交換樹脂であって、
前記親水性基が、下記式(3)で示される、前記陰イオン交換基を含む置換基で置換されているビスフェノールフルオレン残基であることを特徴とする、陰イオン交換樹脂。
- 請求項1または2に記載の陰イオン交換樹脂を含むことを特徴とする、燃料電池用電解質膜。
- 請求項1または2に記載の陰イオン交換樹脂を含むことを特徴とする、電極触媒層形成用バインダー。
- 請求項4に記載の電極触媒層形成用バインダーを含むことを特徴とする、電池電極触媒層。
- 請求項1または2に記載の陰イオン交換樹脂を含む電解質膜と、
前記電解質膜を挟んで対向配置され、含水素燃料が供給される燃料側電極、および、酸素または空気が供給される酸素側電極と、
を備えたことを特徴とする、燃料電池。 - 前記含水素燃料が、水素またはヒドラジン類であることを特徴とする、請求項6に記載の燃料電池。
- 電解質膜と、
前記電解質膜を挟んで対向配置され、含水素燃料が供給される燃料側電極、および、酸素または空気が供給される酸素側電極と
を備え、
前記燃料側電極および/または前記酸素側電極が、請求項5に記載の電池電極触媒層を含むことを特徴とする、燃料電池。 - 前記含水素燃料が、水素またヒドラジン類であることを特徴とする、請求項8に記載の燃料電池。
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JP2014053748A JP6049212B2 (ja) | 2014-03-17 | 2014-03-17 | 陰イオン交換樹脂、燃料電池用電解質膜、電極触媒層形成用バインダー、電池電極触媒層および燃料電池 |
US15/126,910 US9931624B2 (en) | 2014-03-17 | 2015-02-28 | Anion exchange resin, electrolyte membrane for fuel cell, binder for forming electrode catalyst layer, battery electrode catalyst layer and fuel cell |
PCT/JP2015/056004 WO2015141450A1 (ja) | 2014-03-17 | 2015-02-28 | 陰イオン交換樹脂、燃料電池用電解質膜、電極触媒層形成用バインダー、電池電極触媒層および燃料電池 |
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US10707531B1 (en) | 2016-09-27 | 2020-07-07 | New Dominion Enterprises Inc. | All-inorganic solvents for electrolytes |
JP6713896B2 (ja) * | 2016-09-30 | 2020-06-24 | ダイハツ工業株式会社 | 燃料電池システム |
JP6842020B2 (ja) * | 2017-07-24 | 2021-03-17 | 国立大学法人山梨大学 | 陰イオン交換樹脂、電解質膜、電極触媒層形成用バインダー、電池電極触媒層および燃料電池 |
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JP2003334550A (ja) * | 2001-10-04 | 2003-11-25 | Mitsubishi Chemicals Corp | 超純水及びその製造方法 |
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