金属牺牲阳极专利技术申请概况
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Abstract：This paper analyzes the patent technology of metal sacrificial anode，including theoverallanalysis of global patents，theanalysisof the typesof metalsacrificial anode，explains thepatentapplicationsituationandpatent distribution of metal sacrificialanodein theworld，outlinesthekeypatenttechnologyof aluminumaloy，magnesium alloy，zincaloymetal sacrificialanode，and looks forward tothedevelopment trendof metal sacrificialanode. Key words：metal sacrificial anode；patent technology；aluminum alloy；magnesium alloy；zinc alloy
0引言
设置牺牲阳极是防止金属腐蚀的重要方法，其是将被保护的金属与电位更负的活泼金属相连组成电偶电池依靠牺牲阳极不断溶解所产生的阴极电流来实现阴极保护[]。（剩余5598字）