纽约电力局（NYPA）与Zinc8 Energy Solutions及布法罗大学已签署协议来部署锌空气储能系统（ZESS）。
该项目将展示一套100千瓦/1兆瓦时的ZESS。总部位于温哥华的Zinc8在创新挑战赛——即NYPA与纽约大学坦顿工程学院城市未来实验室的合作项目——中赢得了加速这项技术的合同。
布法罗大学的部署将提供调峰能力，并提高校园弹性。此举也旨在验证系统的性能可靠性，并帮助确定O&M及寿命周期成本。此外，这所大学还将探索其他用途，如校园建筑的紧急备用电源。
在去年《光伏》杂志的一篇报道中，Zinc8表示它已经解决了导致液流电池隔膜堵塞的“枝晶问题”。该公司称，解决这一挑战，再加上开发更广泛的技术，历时14年、耗资8000多万美元。作为投资成果的产品具有65%至70%的能量转换效率。
简单来说，利用来自电网或可再生能源的电力在锌再生器中生成锌粒。作为副产品的氧气释放到大气中。将锌粒导入一个储罐中，并在使用之前保存在氢氧化钾（KOH）电解液中。在需要电力时，将锌粒输送到电堆，让它们与氧气重新结合来发电。氧化锌（ZnO）副产品返回储罐，以便稍后再生。
根据与Zinc8的协议，NYPA将承担安装成本，并共享示范期间生成的数据。Zinc8计划在2023年初完全实现其技术的商业化。
作者：DAVID WAGMAN
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