由于酸性溶液的强腐蚀性和阳极放氧的强氧化性,使得钛基氧化铅涂层电极的钛基体在使用过程中易发生钝化,氧化铅活性层易脱落,导致电极的电催化活性低、使用寿命短等问题.在钛基体和活性层之间加入中间层不仅能与二者形成固溶体,提高电极的导电性;而且中间层的晶粒均匀细小,能有效阻止酸性溶液经活性层表面空隙到达钛基体表面发生钝化,延长电极的使用寿命.综述了国内外钛基氧化铅涂层电极中间层的选配、在电极中的作用以及对电极电化学性能的影响,并指出未来中间层研究中需要注意的问题和发展趋势.
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