New Design for the Nickel/Sodium Chloride Battery

Na/Ni/Cl 2电池是服务车辆和固定应用中锂电池的有竞争力的替代品。 它提供高能量密度，并依赖于容易获得的材料。 然而，在目前的设计中，钠电池的工作能量密度不到其理论能量密度的20%。 这可以通过修改设计来增加。 所提出的设计设想了一种金属陶瓷复合结构，以封闭阳极和阴极。 阳极将是一块多孔金属，其中含有液体钠。 阳极上的陶瓷涂层将钠与阴极分开。 阴极将被包含在通过夹持或焊接连接到阳极的镍壳中。 阴极的成分最初将与目前的电池相同，可能会随着长期研究而变化。 在本项目中，将为阳极主机选择合适的材料。 它将通过粉末冶金技术（压制和烧结）制成。 电解质涂层将通过常规陶瓷加工技术施加。 该器械的组装将需要冲压、钎焊和焊接等制造技术。 电池将通过在充电和放电状态之间循环进行测试。 将评估电流效率和降解。 单电池测试之后将构建4芯电池。 由于该技术已应用于电动汽车和可再生能源的存储，预计将对化石燃料消耗，二氧化碳减排和环境改善产生重大影响。 这些电池使用来自加拿大的镍，当地技术的发展可促进国内电池工业。

The Na/Ni/Cl2 battery is a competitive alternative to lithium batteries for service vehicles and stationary applications. It provides high energy density and relies on readily available materials. In its current design, however, the sodium battery operates at less than 20% of its theoretical energy density. This could be increased by a modification of design. The proposed design envisages a metal-ceramic composite structure to enclose both the anode and cathode. The anode will be a block of porous metal that contains the liquid sodium. A ceramic coating on the anode will separate the sodium from the cathode. The cathode will be contained in a nickel case attached to the anode by a clamping or welding. The composition of the cathode will initially be the same as current batteries, potentially changing with long term research. In this project, a suitable material will be chosen for the anode host. It will be made by powder metallurgy techniques (pressing and sintering). The electrolyte coating will be applied by conventional ceramic processing techniques. Assembly of the device will require manufacturing technologies such as stamping, brazing and welding. The battery will be tested by cycling between charge and discharge states. Current efficiency and degradation will be assessed. Single cell tests will be followed by construction of a 4-cell battery. Since this technology has applications for electric vehicles and storage of renewable energy, it is expected to have a major impact on fossil fuel consumption, CO2 reduction and improvement of the environment. These batteries use nickel from Canadian sources and the development of local technology could promote a domestic battery industry.