Renewables are poised to expand by 50 percent in the next five years, according to the International Energy Agency. Much of that wind and solar power will need to be stored. But a growing electric-vehicle market might not leave enough lithium and cobalt for lithium-ion grid batteries.

中文翻译：

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钾电池显示出希望：障碍仍然存在，但钾有朝一日可能对电网存储有意义 - [新闻]

据国际能源署称，可再生能源有望在未来五年内增长 50%。大部分风能和太阳能都需要储存起来。但不断增长的电动汽车市场可能无法为锂离子电网电池留下足够的锂和钴。