Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes.

研究人员展示了一块一便士大小的“核能电池”，该电池可利用放射性同位素的衰变产生电能。

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The company's businesses are involved in the rail, aviation and environmental industries as well as battery systems, risk solutions and nuclear safety.

其业务覆盖了铁路，航空，环境工业如电池系统，风险解决及核安全。

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The vehicle is powered by what is essentially a nuclear battery that converts heat into electricity providing power to Curiosity's instruments as well as generating warmth during the frigid Martian nights.

WSJ: Curiosity, the New Mars Rover | Visualizer

Like the 4 hour battery backup that 93 U.S. nuclear plants have, to keep the pumps running until the diesels are started?

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Even with all of the production tax credits, loan guarantees and a battery of other direct and indirect subsidies, nuclear power remains the most expensive source of conventional electricity on the grid once capital costs are plugged into the equation.

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