Liquid battery: an early prototype battery has been sawed in half to reveal its electrodes and electrolyte, which are liquid during operation.

液态电池：图为从中间切开的这种电池早期的原型，可以看到它的两极和里面工作的电解液。

youdao

Their new Liquid Metal Battery Corporation is attracting investors that include Bill Gates and Vinod Khosla.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy

Tesla technology hinges on assembling thousands of top-notch lithium-ion cells into a liquid-cooled battery pack.

FORBES: Tesla Debacle Highlights Need For New EV Battery Technology

An aircraft rescue and fire fighting captain reported the battery was hissing loudly and liquid was flowing down the sides of the battery case.

BBC: Boeing 787 Dreamliner: NTSB details battery fire