MULTI-POROUS LEAD-CARBON ELECTRODE SHEETS AND METHOD FOR MAKING THEREOF AND LEAD-CARBON BATTERIES

    公开(公告)号:US20230041652A1

    公开(公告)日:2023-02-09

    申请号:US17528318

    申请日:2021-11-17

    摘要: The present invention discloses a method for making lead-carbon electrode sheets, lead-carbon electrode sheets and lead-carbon battery. The method consists of steps of oxidizing lead under low-temperature atmosphere and the oxidized lead is used as interface layer of lead-carbon coupling, and using a specialized ventilation method for the carbon to coat the lead. The interface layer of oxidized lead forms a stable interface between the carbon and the lead. Meanwhile, through controlling pressure and temperature, a multi-porous metal composite is formed and the porosity can be penetration paths for air and liquid when the multi-porous metal composite is applied. The lead-carbon composite is applied as a lead-carbon electrode sheet and is further welded as a lead-carbon electrode sheet of a lead-carbon battery. The lead-carbon battery carrying the lead-carbon electrode demonstrates Coulomb efficiency of 100% without heat loss on an unsaturated charge-discharge condition of high-efficiency charging and high-efficiency discharging.