METHOD AND ARRANGEMENT FOR MODIFYING THE STATE OF CHARGE (SOC) AND STATE OF HEALTH (SOH) OF A BATTERY
First Claim
1. Method for varying the state of charge and state of health (SOC, SOH) of multicell rechargeable batteries (1), whereas one cell (Z) in the multicell rechargeable battery (1) has a separate electric current (i) applied to it, with this current (i) being superimposed on a working current (iA) of the rechargeable battery, and with this current (i) acting on this one cell (Z) in order to charge this cell (Z), characterized in that, the cell (Z) has an electric current (i) applied to it which leads to gassing of the cell (Z).
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Abstract
A high state of charge results in reduced ageing and less wear of and to a rechargeable battery. Furthermore, acid stratification occurs in rechargeable batteries, primarily as a result of the influence of the force of gravity on the electrolyte, leading to a significant reduction in the performance of the rechargeable battery. The subject matter of the invention describes a method and an arrangement for varying the state of charge and state of health of rechargeable batteries, in which a separate electric current (i) is applied individually to at least one cell (Z) in the multicell rechargeable battery (1), this current (i) being superimposed on a working current (iA), and with this current (i) acting on this at least one cell (Z) in order to charge or discharge this cell (Z).
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29 Claims
- 1. Method for varying the state of charge and state of health (SOC, SOH) of multicell rechargeable batteries (1), whereas one cell (Z) in the multicell rechargeable battery (1) has a separate electric current (i) applied to it, with this current (i) being superimposed on a working current (iA) of the rechargeable battery, and with this current (i) acting on this one cell (Z) in order to charge this cell (Z), characterized in that, the cell (Z) has an electric current (i) applied to it which leads to gassing of the cell (Z).
- 17. Arrangement for carrying out a method for varying the state of charge and state of health (SOC, SOH) of multicell rechargeable batteries (1), characterized in that a separate electrical connection (8) is provided on at least one cell (Z) in the multicell rechargeable battery (1) and is passed out of the rechargeable battery (1), and via which a separate electric current (i), which is superimposed on a working current (iA), can be applied to the cell (Z), and this current (i) acts on this at least one cell (Z) in order to charge this cell (Z) for causing gassing of the cell (Z).
Specification