CPC H02J 7/0036 (2013.01) [H01M 10/4235 (2013.01); H01M 10/4257 (2013.01); H02J 7/0063 (2013.01); H01M 2010/4271 (2013.01)] | 21 Claims |
1. A battery stack, comprising:
a plurality of batteries electrically coupled in series;
a plurality of switches, the plurality of switches including:
a respective isolation switch for each battery, each isolation switch being configured to selectably isolate its respective battery from other batteries of the battery stack, and
a respective bypass switch for each battery, each bypass switch being configured to selectably provide a path for electrical current flowing through the battery stack to bypass its respective battery; and
a controller configured to control the plurality of switches such that each battery can be individually connected to and disconnected from an electrical power source/sink,
the controller and the plurality of switches being collectively configured such that the battery stack is capable of operating in a plurality of stack operating modes, the plurality of stack operating modes including a normal charge mode, a normal discharge mode, a bypass mode, and one or more of a floating mode and a safe mode.
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