On account of their physical and chemical properties, sulfones form a very attractive group of orgamc solvents usable m lithium mtercalation batteries Conductivity measurements performed on vanous hthium salts m molten dimethylsulfone (DMSO\*) mdicate that LiC104 and LiAsF6/DMS02 are the most promis
Plastic-bonded electrodes for nickel-cadmium accumulators: IX. Oxygen recombination rate on plastic-bonded cadmium electrodes with different active materials
✍ Scribed by M. Musilová; J. Jindra; J. Mrha
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 265 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0378-7753
No coin nor oath required. For personal study only.
✦ Synopsis
The rate of oxygen recombination (i.e., reduction) on plastic-bonded cadmium electrodes in sealed Ni-Cd systems can be controlled over a wide range by doping the negative active material with Ni(OH),, FeaOb or carbon black. The highest recombination rate was attained by combining all these additives (treatment of Cd0 with Ni(OH), and subsequent addition of Fes04 and carbon black), allowing the plastic-bonded electrodes obtained to be used without further modifications in sealed Ni-Cd systems.
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The oxygen recombination (reduction) rate on plastic-bonded cadmium electrodes in sealed Ni-Cd systems can be increased by using metal screens applied to the gas side of the plastic-bonded cadmium electrode. The metal screen applied should have an optimum geometry (mesh size, wire diameter) to prov
It was found that the rate of reduction of oxygen on plastic-bonded cadmium electrodes doped with Nl(OH), is highest when the added nickel amounts to 0.3%. If the active material 1s in prolonged contact with a solution of NISOq and then alkahzed, its oxygen reduction activity is appreciably lowered,
Plastic-bonded nickel oxide electrodes, prepared by rolling a mixture of active material, conductive component and poly(tetrafluoroethylene), were subjected to high rate discharge cycling at 100 mA/cm2 and to an accelerated cycling regime at 20 mA/cm2. The number of cycles, the position of the disch