Battery positive electrode coating and silicon-based bipolar battery
The invention discloses a battery positive electrode plating layer and a silicon-based bipolar battery, and relates to the technical field of lead-silicon batteries, the battery positive electrode plating layer comprises a NiSi layer and a three-dimensional PbSn layer, the thickness of the NiSi laye...
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| creator | GAO SHIYUAN ZHANG BO WANG JINMEI QIAN MENXIANG ZHANG SHUXIANG CAI YUNGONG XUE SHENGFAN HAN TINGTING |
| description | The invention discloses a battery positive electrode plating layer and a silicon-based bipolar battery, and relates to the technical field of lead-silicon batteries, the battery positive electrode plating layer comprises a NiSi layer and a three-dimensional PbSn layer, the thickness of the NiSi layer is 100-300 nm, the thickness of the PbSn layer is 0.3-3 mm, the content of Sn in the PbSn layer is 0.5%-2.0%, and the balance is lead, the effective contact area with the lead paste is increased through the three-dimensional PbSn layer, the reaction depth of the lead paste is increased, and the three-dimensional PbSn layer structure can solve the problem that the lead paste on the positive grid falls off, so that the cycle life of the battery is prolonged, the utilization rate of active substances is increased, the energy density of the battery is improved, the internal resistance of the battery is reduced, and the high-current discharge capability is improved; and the NiSix layer improves the silicon wafer, redu |
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| subjects | ALLOYS BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOUNDS THEREOF DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Battery positive electrode coating and silicon-based bipolar battery |
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