The ions crossed the electrolyte and the electrons travelled round the external circuit.
锂离子穿过电解质，而电子穿过外部电路。
The ions pass from the graphite to the phosphate through an intervening electrolyte while the electrons make the journey via an external circuit that allows them to do useful work.
离子通过中间的电解液从石墨极流向磷酸极而电子则通过外部的电路流动，由此作有用功。
Fuel cell consists of anode, cathode, electrolyte and external circuit.
燃料电池由阳极、阴极、电解质和外部电路等组成。
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