Discharge nickel-cadmium battery

Figure 20 shows the charge-discharge characteristics of the AA-size nickel-metal hydride battery in comparison with the nickel-cadmium battery produced by Sanyo Electric. Its capacity density is 1.5 to 1.8 higher than that of nickel-cadmium batteries. [Pg.30]

The discharge voltage of nickel-metal hydride batteries is almost the same as that of nickel-cadmium batteries. [Pg.31]

Like many technological innovations, nickel-cadmium batteries carry risks as well as benefits. After being discharged repeatedly, they eventually wear out. In theory, worn-out nicad batteries should be recycled. In practice, however, many end up in garbage dumps. Over time, discarded nicad batteries release toxic cadmium. The toxicity of this substance makes it hazardous to the environment, as cadmium can enter the food chain. Long-term exposure to low levels of cadmium can have serious medical effects on humans, such as high blood pressure and heart disease. [Pg.536]

Fig. 6.4 Discharge (a) and charge (b) characteristics of a typical 900 Ah nickel-cadmium battery as a function of rate...

Alkaline batteries are capable of high current discharges and accidental short circuits should be avoided. Spontaneous low resistance internal short circuits can develop in silver-zinc and nickel-cadmium batteries. [Pg.189]

Stationary battery (cell) — Rechargeable -> batteries designed to be located at a fixed place. Stationary batteries are used mainly for uninterruptible power supplies (UPS) and standby applications. These cells are usually designed for high reliability and very long -> cycle life under shallow depth of discharge (DOD) conditions. The common chemical systems utilized for the production of stationary batteries are the -> lead-acid and -> nickel-cadmium batteries. Less common, and more futuristic is the - sodium-sulfur battery designed for KW and... [Pg.639]

Rechargeable batteries have become an essential part of our environmentally conscientious society. The nickel-cadmium cell battery is a rechargeable battery used in small electronic devices. The half reactions that take place in the nickel-cadmium battery during discharge are ... [Pg.163]

What is the oxidizing agent in the nickel cadmium battery during discharge ... [Pg.163]

The reaction taking place at the anode when the nickel-cadmium batteries are discharging is ... [Pg.163]

Nickel-cadmium batteries use a hydrate nickel oxide as positive electrode, a metallic cadmium as negative electrode and an aqueous solution of potassium hydroxide as electrolyte [17]. The production of electrons at the negative plate during discharge occurs via the following semi-reaction ... [Pg.148]

Nickel-cadmium batteries have moderate energy density. These batteries are used for long life and higher discharge rates extended temperature ranges are required. [Pg.182]

Concentrations of nickel in roots of Spartina sp. from the vicinity of a discharge from a nickel-cadmium battery plant on the Hudson River, New York, ranged between 30.0 and... [Pg.551]