Iron disulfide cathode as mature technology has been used in thermal battery.The limitation of the iron disulfide material itself is difficult to meet the design requirements.The problems were analyzed for the cobalt disulfide as iron disulfide cathode additive of the thermal battery.The problems were solved,including overpressure,narrow voltage rang,short work time and long storage electric performance decline.%二硫化铁阴极已经作为成熟的工艺应用在热电池中,然而在热电池设计中因其材料自身的局限性难以达到指标要求.就二硫化钴作为二硫化铁阴极添加剂解决热电池设计中遇到的问题展开分析,成功解决了热电池设计中超压、电压区间窄、工作时间短、热电池长贮性能下降的问题.
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