The electrochemistry of Prussian blue mixed in a polymer medium containing MClO 4(M=Li^(+), Na^(+), K^(+), TBA^(+)) as the supporting electrolyte was studied by means of solid state voltammetry. This approach is new...The electrochemistry of Prussian blue mixed in a polymer medium containing MClO 4(M=Li^(+), Na^(+), K^(+), TBA^(+)) as the supporting electrolyte was studied by means of solid state voltammetry. This approach is new in Prussian blue studies. The behavior of PB in polymer electrolytes is somewhat similar to the well known behavior for an electrochemically synthesized PB film in aqueous media. Besides, K^(+), Li^(+) and Na^(+) ions can also transport through the crystal of PB because of its zeolitic nature. The transport of TBA^(+) ions is possible. Kinetic control lies in the diffusion of cations in and out of the lattice of Prussian blue. Reduction waves of Prussian blue depend on both the size and type of cations. PB is very stable upon electrochemical cycling in polymer electrolytes and air. This system may be used in rechargeable batteries and electrochromic devices.展开更多
文摘The electrochemistry of Prussian blue mixed in a polymer medium containing MClO 4(M=Li^(+), Na^(+), K^(+), TBA^(+)) as the supporting electrolyte was studied by means of solid state voltammetry. This approach is new in Prussian blue studies. The behavior of PB in polymer electrolytes is somewhat similar to the well known behavior for an electrochemically synthesized PB film in aqueous media. Besides, K^(+), Li^(+) and Na^(+) ions can also transport through the crystal of PB because of its zeolitic nature. The transport of TBA^(+) ions is possible. Kinetic control lies in the diffusion of cations in and out of the lattice of Prussian blue. Reduction waves of Prussian blue depend on both the size and type of cations. PB is very stable upon electrochemical cycling in polymer electrolytes and air. This system may be used in rechargeable batteries and electrochromic devices.
