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Photo:electrochemical cell - has illuminated semiconductor photo anode in aq. electrolyte and hydride forming metal cathode sepd. by proton conductor

机译：照片：电化学电池-在aq中照亮了半导体光阳极。电解质和氢化物形成金属阴极sepd。由质子导体

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摘要

Photoelectrochemical cell comprises a container; an anode mounted in the container, made from a photosensitive n-type semiconductor material; a window in the container through which diffuse or concentrated (sun)light can pass to impinge upon the anode; an aq. electrolyte in which the anode is situated; a cathode comprising a hydride-forming metal or metal alloy; and a layer of material sepg. the cathode from the electrolyte and made from a material which is a rapid conductor of protons, has a negligible electron conductivity and is stable w.r.t water. The electrolyte is e.g. of acid-reacting material, esp. H3PO4 and the proton-conducting material is e.g. hydrogen uranyl phosphate tetrahydrate (I). The cathode may make up part of a rocking-chair cell and may also be a component in a fuel cell. By sepg the cathode from the electrolyte, the cathode can be made from a wider variety of materials. The cells are useful for conversion of (sun)light into usable energy, for electrolysis of water to H2+O2, for electrolysis of H2S to H2 and sulphur, and for electrolytic oxidn. of (waste) organic materials (alcohols, aldehydes, carboxylic acid, cellulosic materials, (poly)saccharides, starch, etc) in aq. effluent streams.

机译：光电化学电池包括一个容器。安装在容器中的阳极，由光敏的n型半导体材料制成;容器中的一扇窗户，散射或集中的（太阳）光可穿过该窗户撞击到阳极上;一个水阳极所在的电解质;阴极，其包含形成氢化物的金属或金属合金;和一层材料隔板。由电解质制成的阴极，由质子的快速导体材料制成，电子传导率可忽略不计，并且在水中稳定。电解质例如是酸反应材料，特别是H 3 PO 4和质子传导材料是例如磷酸氢氧铀氢盐四水合物（I）。阴极可以构成摇椅电池的一部分，并且也可以是燃料电池中的组件。通过将阴极与电解质分开，可以由多种材料制成阴极。这些电池可用于将（太阳）光转换为可用能量，将水电解成H2 + O2，将H2S电解成H2和硫以及电解氧化。水溶液中的（废）有机物质（酒精，醛，羧酸，纤维素物质，（多糖）糖，淀粉等）废水。

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公开/公告号NL8200897A

专利类型
公开/公告日1983-10-03

原文格式PDF
申请/专利权人 NEDERLANDSE CENTRALE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TE S-GRAVENHAGE.;
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申请/专利号NL19820000897
发明设计人
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申请日1982-03-04
分类号C25B1/04;H01M14/00;F24J3/02;H01G9/22;H01L31/00;
国家 NL
入库时间 2022-08-22 11:06:06

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