Compound battery

The utility model provides a compound battery, contains a cell, an electric capacity unit and a power?management?unit. This cell includes a casing, one fills the electrolyte in this casing and one set up in the graphite alkene layer between this casing and this electrolyte, this electric capacity unit is established ties with this cell, this power?management?unit is connected and is used for controlling the switch whether this cell and this electric capacity unit switched on with this cell and this electric capacity unit electricity respectively including one, and one be used for this cell's of comparison voltage and the treater that a presupposition voltage controlled this switch by this. The utility model discloses characteristics such as stable use of battery large capacity and the quick charge -discharge of electric capacity can be taken into account, the whole electrical efficiency of using is improved. 种复合电池，包含电池单元、电容单元及电源管理单元。该电池单元包括壳体、填充于该壳体内的电解质及设置于该壳体与该电解质间的石墨烯层；该电容单元与该电池单元串联；该电源管理单元，包括分别与该电池单元及该电容单