Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1982-05-13
1984-12-18
Punter, William H.
Compositions
Radioactive compositions
Nuclear reactor fuel
252 622, 350363, G02F 123, G02F 117, H01G 922
Patent
active
044887825
ABSTRACT:
An electrolytic display device, specifically an electrochromic display based on viologen, employs metal ions in solution to catalyse the reduction of display material at the display electrodes. The metal ions are deposited faster than the display material and subsequently chemically reduce this material. Thallium (I) as the metal catalyst in combination with an oxy-anion of phosphorus accelerates the display reaction without causing undesired precipitation from the solution. Cadmium (II) in combination with sulphate anions is also an effective catalyst. Either a greater amount of display material may be deposited than without the catalyst or the same amount deposited in a shorter time.
REFERENCES:
patent: 3726718 (1973-04-01), Mellors
patent: 3950077 (1976-04-01), Jasinski
patent: 4018508 (1977-04-01), McDermott et al.
patent: 4187003 (1980-02-01), Barclay
patent: 4426643 (1984-01-01), Martin
Barclay et al., "Increasing speed of electrochromic displays", IBM Tech. Disc. Bull., 3/1976, p. 3440.
Barclay et al., "Speed Considerations for Electrochromic Displays", Jr. of Electronic Materials, vol. 8, #3, 1979, pp. 311-331.
Barclay Donald J.
Bird Colin L.
Clark George E.
International Business Machines - Corporation
Punter William H.
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