Mature technology is reliable and safe since the beginning of the space age, eaglepicher silver zinc batteries have been trusted to power historical nasa launches, including mercury, gemini, apollo and skylab. Fabrication of a highperformance flexible silverzinc. Rechargeable silverzinc batteries will soon become the. Silver zinc cells belong to the noble representatives of the group of alkaline secondary cells. In fact, silver zinc batteries have the analogous anode and electrolyte as with common primary aa and aaa batteries, it is the positive electrode in the silver zinc battery that enables its rechargeability. The free enthalpy of reaction of the silver oxide zinc couple is set free as electrical energy during discharging.
Until about a decade ago, only leadacid storage batteries were utilized as a reserve source of dc power for aircraft applications. The following provides an example of just some of the high energy rechargeable silverzinc batteries produced by bst systems. Zinc alkalinemanganese dioxide alkaline zinc mercuric oxide mercury zinc silver oxide silver 2. The silver zinc lightweight battery contains silver oxide as the positive electrode and zinc as the negative electrode. Nasa research helps take silver zinc batteries from idea to the shelf nasa. It have been mainly used in military equipment and various space ships and submarines because of their low self discharge rate, high energy density and reliability. The smallest, size 10, is designed to power most intheear models. Today, with more than 50 years of silver zinc battery production heritage, and more than 200 battery designs, we continue to produce reliable, complex systems for the. The last few years have seen a dramatic increase in the proliferation of portable consumer. Silver zinc battery is a type of rechargeable battery with silver oxide, zinc oxide as electrodes and alkaline electrolyte. Nasa work, combined with private sector research, made the difference, resulting today in hearing aid batteries with much wider potential. Benefits of zpowers silverzinc rechargeable batteries. Rechargeable silverzinc batteries will soon become the new standard for hearing aids the better battery. Other zinc anode battery systems are also referred to by their popular abbreviated names.
99 443 1285 1407 653 1304 619 1476 1253 629 1305 682 1139 659 823 1518 387 1343 740 121 1207 615 474 31 34 871 387 990 67 490 226 1230 627 845 932 812 173 1120