电化学的电池将化学能转化为电能。

The electrochemical cell converts chemical energy into electrical energy.

燃料电池是一种将化学能转化为电能的装置。

A fuel cell is a device that converts chemical energy into electrical energy.

电化学是研究电能与化学能相互转换的科学。

Electrochemistry is the study of the conversion between electrical energy and chemical energy.

电化学是化学能和电能的转化。

Electrochemical is the transformation of chemical energy and electric energy.

有各种不同的能，例如热能、声能、电能和化学能。

There are different forms of energy, such as heat energy, sound energy, electric energy, and chemical energy.

电能可以被转换成热能, 光能或化学能.

Electrical energy may be converted into heat, light or chemical energy.

有效地利用化学能, 使其转换成机械能.

Make use of chemical energy effectively, and transform it into mechanical energy.

当燃料燃烧时，化学能就转化为光能和热能。

When fuels burn, chemical energy changes into light and heat energy.

所产生的电流是化学能变为电能的结果。

The current produced is the result of chemical energy being changed to electric energy.

并非燃料中的所有化学能都可转为热能.

All the chemical energy of the fuel is not converted into heat.