科研、生产及实验室使用标准电池,要求有稳定的正确的电动势和正常的内阻。可是在工作中发现有些标准电池,经长期使用或管理不当往往内阻增高,甚至有的呈现内阻趋向无穷大的开路情况,这样会失去电压标准的要求。一般标准电池出现故障不易修复,对上述故障,则有修复的可能。 Research, production and laboratory use of standard batteries, requires a stable and correct electromotive force and the normal internal resistance. However, some standard batteries found in the work, the long-term use or improper management tend to increase the internal resistance, and even some showed resistance to infinity of the open circuit, which will lose the voltage standard requirements. General standard battery failure is not easy to repair, the above failure, then there may be repaired.