A compound negative pole pipe for battery

The utility model provides a compound negative pole pipe for battery, porous metal layer including the inlayer to reach attached to outer solid electrolyte layer by porous metal layer support, this porous metal layer links to each other with the negative pole shell of battery, regards as the negative electrode collection of battery jointly. The utility model discloses compound negative pole after will improving pipe is used among the lithium sulphur battery in order solving the potential safety hazard that polysulfide " the effect of shuttling back and forth " and lithium dendrite caused, and has solved easily ruptured phenomenon of tubular sodium -sulfur cell ceramic pipe through the design on porous metal layer to promote battery performance and security level. 本实用新型提供种用于电池的复合负极管，包括内层的多孔金属层，以及附着在外层的由多孔金属层支撑的固体电解质层，该多孔金属层与电池的负极外壳相连，共同作为电池的负极集电极。本实用新型将改进后的复合负极管应用到锂硫电池中以解决多硫化物"穿梭效应"和锂枝晶造成的安全隐患，且通过多孔金属层的设计解决了管式钠硫电池陶瓷管易破裂的现象，从而提升电池性能以及安全等级。