Chemically modified electrodes for the catalytic reduction of CO.sub.2
    1.
    发明授权
    Chemically modified electrodes for the catalytic reduction of CO.sub.2 失效
    用于催化还原二氧化碳的化学改性电极

    公开(公告)号:US4756807A

    公开(公告)日:1988-07-12

    申请号:US109836

    申请日:1987-10-14

    IPC分类号: C08G79/00 C25C1/00

    CPC分类号: C08G79/00

    摘要: An electrode that has a film adsorbed to its surface by reductive electropolymerization of (vbpy)Re(CO).sub.3 Cl (4-vinyl-4'-methyl-2,2'-bipyridine tricarbonylchlororhenium(I)) or its acetonitrile analogue, [(vbpy)Re(CO).sub.3 (MeCN)].sup.+ (4-vinyl-4'-methyl-2,2'-bipyridine tricarbonylacetonitrile rhenium (I)). The poly(vbpy)Re(CO).sub.3 Cl or poly[(vbpy)Re(CO).sub.3 (MeCN)].sup.+ adsorbed onto the electrode, acts as a catalyst for CO.sub.2 reduction to CO. Stability and the reactivity of the polymer film may be increased by co-reductive electropolymerization of either of the aforesaid Re complexes with [(bpy).sub.2 Ru(vpy).sub.2.sup.2+ (bis(4-vinyl-pyridine)bis(2,2'-bipyridine) ruthenium (II)) (vpy is 4-vinylpyridine). A bilayer film assembly consisting of poly-[(bpy).sub.2 Ru(vpy).sub.2 ].sup.2+ as an inner film and the aforementioned copolymer of Ru/Re yields even greater reactivity to CO.sub.2.A method of forming a polymeric film on an electrode.A method of reducing CO.sub.2 to CO using an electrode having a polymeric film adsorbed to its surface.

    摘要翻译: 通过(vbpy)Re(CO)3Cl(4-乙烯基-4'-甲基-2,2'-联吡啶三羰基氯钌(I))或其乙腈类似物的还原电解聚合[ vbpy)Re(CO)3(MeCN)] +(4-乙烯基-4'-甲基-2,2'-联吡啶三羰基乙腈铼(I))。 吸附到电极上的聚(vbpy)Re(CO)3Cl或聚[(vbpy)Re(CO)3(MeCN)] +作为CO 2还原为CO的催化剂。稳定性和聚合物膜的反应性可能 通过上述Re配合物与[(bpy)2uu(vpy)22+(双(4-乙烯基 - 吡啶)双(2,2'-联吡啶)钌(II))(vpy)的共还原电聚合来增加 是4-乙烯基吡啶)。 由作为内膜的聚[(bpy)2u(vpy)2] 2+和上述Ru / Re共聚物组成的双层膜组合物产生与CO 2更大的反应性。 在电极上形成聚合物膜的方法。 使用吸附在其表面上的聚合物膜的电极将CO 2还原成CO的方法。

    Chemically modified electrodes for the catalytic reduction of CO.sub.2
    2.
    发明授权
    Chemically modified electrodes for the catalytic reduction of CO.sub.2 失效
    用于催化还原二氧化碳的化学改性电极

    公开(公告)号:US4711708A

    公开(公告)日:1987-12-08

    申请号:US917383

    申请日:1986-10-09

    IPC分类号: C08G79/00 B01D57/02 C25B7/00

    CPC分类号: C08G79/00

    摘要: An electrode that has a film adsorbed to its surface by reductive electropolymerization of (vbpy)Re(CO).sub.3 Cl (4-vinyl-4'-methyl-2,2'-bipyridine tricarbonylchlororhenium(I)) or its acetonitrile analogue, [(vbpy)Re(CO).sub.3 (MeCN)].sup.+ (4-vinyl-4'-methyl-2,2'-bipyridine tricarbonylacetonitrile rhenium (I)). The poly (vbpy)Re(CO).sub.3 Cl or poly-[(vbpy)Re(CO).sub.3 (MeCN)].sup.+ adsorbed onto the electrode, acts as a catalyst for CO.sub.2 reduction to CO. Stability and the reactivity of the polymer film may be increased by co-reductive electropolymeriaztion of either of the aforesaid Re complexes with [(bpy).sub.2 Ru(vpy).sub.2.sup.2+ ](bis(4-vinyl-pyridine)bis(2,2'-bipyridine) ruthenium (II)) (vpy is 4-vinylpyridine). A bilayer film assembly consisting of poly-[(bpy).sub.2 Ru(vpy).sub.2 ].sup.2+ as an inner film and the aforementioned copolymer of Ru/Re yields even greater reactivity to CO.sub.2.A method of forming a polymeric film on an electrode.A method of reducing CO.sub.2 to CO using an electrode having a polymeric film adsorbed to its surface.

    摘要翻译: 通过(vbpy)Re(CO)3Cl(4-乙烯基-4'-甲基-2,2'-联吡啶三羰基氯钌(I))或其乙腈类似物的还原电解聚合[ vbpy)Re(CO)3(MeCN)] +(4-乙烯基-4'-甲基-2,2'-联吡啶三羰基乙腈铼(I))。 吸附到电极上的聚(vbpy)Re(CO)3Cl或聚 - [(vbpy)Re(CO)3(MeCN)] +作为CO 2还原为CO的催化剂。稳定性和聚合物膜的反应性 可以通过上述Re配合物与[(bpy)2uu(vpy)22 +](双(4-乙烯基 - 吡啶)双(2,2'-联吡啶)钌(II))的共还原电聚合来增加。 (vpy是4-乙烯基吡啶)。 由作为内膜的聚[(bpy)2u(vpy)2] 2 +和Ru / Re的上述共聚物组成的双层膜组合物对CO 2产生更大的反应性。 在电极上形成聚合物膜的方法。 使用吸附在其表面上的聚合物膜的电极将CO 2还原成CO的方法。