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2011•Journal of Power SupplyRequires access

Review on Battery Charge Equalization

Yongdong Li

Open publisher page 1 citations

Abstract

Battery is used widely in EV and renewable energy generation because of its long-time storage and low price.However,the voltage and energy of a cell are very low.In order to increase storage energy,cells are usually used in series connection.For the difference among cells,state of charge will be different after a long time use,which could decrease the efficiency of battery pack.Therefore,the battery charge equalization is very important.A review on battery charge equalization is described,bringing forward the advantage and disadvantage of each method.

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What this paper is about

Battery is used widely in EV and renewable energy generation because of its long-time storage and low price.However,the voltage and energy of a cell are very low.In order to increase storage energy,cells are usually used in series connection.For the difference among cells,state of charge will be different after a long time use,which could decrease the efficiency of battery pack.Therefore,the battery charge equalization is very important.A review on battery charge equalization is described,bringing forward the advantage and disadvantage of each method.

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Available abstract

Battery is used widely in EV and renewable energy generation because of its long-time storage and low price.However,the voltage and energy of a cell are very low.In order to increase storage energy,cells are usually used in series connection.For the difference among cells,state of charge will be different after a long time use,which could decrease the efficiency of battery pack.Therefore,the battery charge equalization is very important.A review on battery charge equalization is described,bringing forward the advantage and disadvantage of each method.

Key concepts: Battery (electricity), Equalization (audio), Trickle charging, Electrical engineering, State of charge, Engineering, Renewable energy, Voltage

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