METHOD FOR CHARGING A ZINC-AIR BATTERY WITH LIMITED POTENTIAL
First Claim
1. A method for charging a zinc-air battery comprising at least a negative electrode, a positive air electrode and a positive oxygen evolution electrode, wherein the potential of the negative electrode during charging is kept at an absolute value less than or equal to the value of a critical charging potential.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for charging a zinc-air battery, wherein the potential of the negative electrode during the charging is lower than, or equal to, the value of a critical charging potential. Also disclosed is a method for storing and restoring electrical energy, comprising such a charging step, and to a zinc-air battery suitable for implementing said charging method, and a discharging phase.
11 Citations
8 Claims
- 1. A method for charging a zinc-air battery comprising at least a negative electrode, a positive air electrode and a positive oxygen evolution electrode, wherein the potential of the negative electrode during charging is kept at an absolute value less than or equal to the value of a critical charging potential.
-
8. A zinc-air battery comprising:
-
a negative terminal, a positive terminal, a negative electrode, connected to the negative terminal, a positive air electrode, a positive oxygen evolution electrode, a switch allowing either the positive air electrode or the positive oxygen evolution electrode to be connected to the positive terminal, a charger for charging the battery, which is connectable to the negative electrode and to the positive oxygen evolution electrode, and a controller for controlling charging of the battery adapted for measuring the voltage between the negative electrode and the positive air electrode, and for acting on the charger so that the absolute value of this voltage is less than or equal to a critical value of potential.
-
Specification