By using Cyclic Voltammetry to study the reduction reaction, copper, titanium, lead, Ti/ PbO2 and Ti/ MnO2 as cathode respectively, it is proved that sodium metaborate can be electrochemically reduced to sodium borohydride. 采用循环伏安法,分别以铜、钛、铅、钛、Ti/PbO2和Ti/MnO2作为阴极,对该反应进行实验研究,证实了偏硼酸钠电化学还原制各硼氢化钠的可能性;