The annealing process reshapes the Cu NWs ... As a result of these improvements, the sensor can detect hydrogen concentrations as low as 5 parts per billion (ppb), much lower than previous CuO ...

The annealing process reshaped the nanowires ... the sensor demonstrated remarkable sensitivity, detecting hydrogen concentrations as low as 5 parts per billion (ppb)—a substantial improvement ...

Low-carbon hydrogen is expected to get more support in China after Beijing said it would accelerate its development as a part of a national decarbonisation push and high demand from the industrial ...