上海钢联发布数据显示，今日电池级碳酸锂价格较上日下跌250元，均价报77000元/吨。

Core Viewpoint - The price of battery-grade lithium carbonate has decreased by 250 yuan compared to the previous day, with an average price reported at 77,000 yuan per ton [1] Price Movement - The current average price of battery-grade lithium carbonate is 77,000 yuan per ton, reflecting a decline from the previous day's price [1]