“材料要坚韧稳定，但从通电的角度看也需要让电离子顺利通过，”格林浩尔博士说。
"You want it very rigid and stiff, but from an electrical point of view you also want it to allow ions to flow through the material," says Dr Greenhalgh.
严格来说这种复合材料与电池并不相似，而更像是一个电容器，或者说是个超级电容器，格林浩尔博士说道。
Strictly speaking the composite behaves not like a battery but more like a capacitor, or rather a supercapacitor, says Dr Greenhalgh.
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