Power storage system
View Patent ↗A power storage system includes an AC/DC converter, a first control device, a power storage device, and a load. The first control device includes a measuring portion that measures the amount of power consumed by the load, a predicting portion that predicts the demand for power consumed by the load on the basis of the amount of power consumed by the load, and a planning portion that makes a charge and discharge plan of the power storage device on the basis of the demand for power predicted by the predicting portion. The power storage device includes a second control device, a DC/DC converter, a first battery cell group, and a second battery cell group. The power storage device is placed in an underfloor space surrounded by a base and a floor of a building.
1. A power storage system comprising:
an AC/DC converter;
a first control device;
a power storage device; and
a load,
wherein the first control device includes:
a measuring portion configured to measure an amount of power consumed by the load,
a predicting portion configured to predict the demand for power consumed by the load on the basis of an amount of power consumed by the load, and
a planning portion configured to make a charge and discharge plan of the power storage device on the basis of the demand for power predicted by the predicting portion,
wherein the power storage device comprises:
a second control device,
a DC/DC converter,
a first battery cell group, and
a second battery cell group,
wherein one terminal of the DC/DC converter is electrically connected to one terminal of the AC/DC converter and one terminal of the first battery cell group,
wherein the other terminal of the DC/DC converter is electrically connected to the one terminal of the AC/DC converter and one terminal of the second battery cell group, and
wherein the power storage device is placed in an underfloor space surrounded by a base and a floor of a building.
2. The power storage system according to claim 1 ,
wherein the first battery cell group and the second battery cell group each include a plurality of battery cells connected in series, and
wherein the battery cell includes a first electrode, a second electrode, and includes at least an electrolytic solution between the first electrode and the second electrode.
3. The power storage system according to claim 2 ,
wherein the first electrode is a negative electrode and the second electrode is a positive electrode.
4. The power storage system according to claim 2 ,
wherein the first electrode is a positive electrode and the second electrode is a negative electrode.
5. The power storage system according to claim 2 ,
wherein the first electrode or the second electrode comprises lithium.
6. The power storage system according to claim 2 ,
wherein the first electrode or the second electrode comprises graphene.
7. The power storage system according to claim 1 , further comprising:
a first switch between the one terminal of the AC/DC converter and the one terminal of the first battery cell group; and
a second switch between the one terminal of the AC/DC converter and the one terminal of the second battery cell group.
8. The power storage system according to claim 1 , further comprising:
a first current detector electrically connected to the other terminal of the first battery cell group; and
a second current detector electrically connected to the other terminal of the second battery cell group.
9. A power storage system comprising:
an AC/DC converter;
a first control device;
a power storage device; and
a load,
wherein the first control device includes:
a measuring portion configured to measure an amount of power consumed by the load,
a predicting portion configured to predict the demand for power consumed by the load on the basis of an amount of power consumed by the load, and
a planning portion configured to make a charge and discharge plan of the power storage device on the basis of the demand for power predicted by the predicting portion,
wherein the power storage device comprises:
a second control device,
a DC/DC converter,
a first battery cell group, and
a second battery cell group,
wherein one terminal of the DC/DC converter is electrically connected to one terminal of the AC/DC converter and one terminal of the first battery cell group,
wherein the other terminal of the DC/DC converter is electrically connected to the one terminal of the AC/DC converter and one terminal of the second battery cell group,
wherein the power storage device is placed in an underfloor space surrounded by a base and a floor of a building,
wherein the first battery cell group and the second battery cell group each include a plurality of battery cells connected in series,
wherein the battery cell includes a first electrode, a second electrode, and includes at least an electrolytic solution between the first electrode and the second electrode, and
wherein a reaction product grown from at least one point in a surface of the first electrode when a current is supplied between the first electrode and the second electrode of each of the plurality of battery cells included in the first battery cell group is dissolved from a tip or a surface of the reaction product by applying a signal with which a current flows in the reverse direction of the current.
10. The power storage system according to claim 9 ,
wherein a reaction product grown from at least one point in a surface of the first electrode when a current is supplied between the first electrode and the second electrode of each of the plurality of battery cells included in the second battery cell group is dissolved from a tip or a surface of the reaction product by applying a signal with which a current flows in the reverse direction of the current.
11. The power storage system according to claim 9 ,
wherein the first electrode is a negative electrode and the second electrode is a positive electrode.
12. The power storage system according to claim 9 ,
wherein the first electrode is a positive electrode and the second electrode is a negative electrode.
13. The power storage system according to claim 9 ,
wherein the first electrode or the second electrode comprises lithium.
14. The power storage system according to claim 9 ,
wherein the first electrode or the second electrode comprises graphene.
15. The power storage system according to claim 9 , further comprising:
a first switch between the one terminal of the AC/DC converter and the one terminal of the first battery cell group; and
a second switch between the one terminal of the AC/DC converter and the one terminal of the second battery cell group.
16. The power storage system according to claim 9 , further comprising:
a first current detector electrically connected to the other terminal of the first battery cell group; and
a second current detector electrically connected to the other terminal of the second battery cell group.