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1 US10355517B2
Storage-battery control device, storage-battery charge/discharge system, photovoltaic power generation system, and storage-battery control method
Publication/Patent Number: US10355517B2 Publication Date: 2019-07-16 Application Number: 15/579,238 Filing Date: 2016-05-25 Inventor: Hara, Satoshi   Kise, Makiko   Aihara, Shigeru   Nishiguchi, Hiroto   Ida, Takahito   Takegami, Tomoki   Assignee: Mitsubishi Electric Corporation   IPC: H02J7/35 Abstract: The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling charge state of a storage battery 12 so that surplus power generated by photovoltaic generation can be entirely charged into the storage battery 12 even in a case where power cannot be sold to a system power supply 50. A storage-battery control device 1 according to the present invention includes a load-power prediction device 4 to predict load power, a PV-power prediction device 3 to predict generated power by photovoltaic power generation, and a system controller 2 to obtain a predicted charge amount that is calculated by subtracting the generated power amount being a summation of the generated power in a prediction segment 60 having a start point set at a predetermined time, from the load power amount being a summation of the load power in the prediction segment 60, and when the predicted charge amount is positive, to control the charge state of a storage battery 12 at the start point so that the predicted charge amount can be charged in the prediction segment 60, wherein an end point of the prediction segment 60 is a time at which the generated power by photovoltaic power generation is predicted to become equal to the load power after reaching the maximum value of the generated power. The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling charge state of a storage battery 12 so that surplus power generated by photovoltaic generation can be entirely charged into the storage battery 12 even in ...More ...Less
2 US10164448B2
Power conversion system
Publication/Patent Number: US10164448B2 Publication Date: 2018-12-25 Application Number: 15/543,611 Filing Date: 2015-09-29 Inventor: Tanaka, Kazufumi   Inoue, Sadayuki   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H02J7/00 Abstract: When a plurality of storage batteries is used by connecting them in parallel, since the progress of degradation differs among the storage batteries, a power conversion system includes a degradation information acquisition device for acquiring the degradation information of the storage batteries, a temperature information acquisition device for detecting the temperature information of the storage batteries, and a control device for controlling the storage battery power converter based on the degradation information of the storage batteries by the degradation information acquisition device and the temperature information of the storage batteries by the temperature information acquisition device so that the degradation states of the plurality of the storage batteries can be matched. When a plurality of storage batteries is used by connecting them in parallel, since the progress of degradation differs among the storage batteries, a power conversion system includes a degradation information acquisition device for acquiring the degradation information of the ...More ...Less
3 US2018175660A1
STORAGE-BATTERY CONTROL DEVICE, STORAGE-BATTERY CHARGE/DISCHARGE SYSTEM, PHOTOVOLTAIC POWER GENERATION SYSTEM, AND STORAGE-BATTERY CONTROL METHOD
Publication/Patent Number: US2018175660A1 Publication Date: 2018-06-21 Application Number: 15/579,238 Filing Date: 2016-05-25 Inventor: Takegami, Tomoki   Ida, Takahito   Nishiguchi, Hiroto   Aihara, Shigeru   Kise, Makiko   Hara, Satoshi   Assignee: Mitsubishi Electric Corporation   IPC: H02J7/00 Abstract: The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling charge state of a storage battery 12 so that surplus power generated by photovoltaic generation can be entirely charged into the storage battery 12 even in a case where power cannot be sold to a system power supply 50. A storage-battery control device 1 according to the present invention includes a load-power prediction device 4 to predict load power, a PV-power prediction device 3 to predict generated power by photovoltaic power generation, and a system controller 2 to obtain a predicted charge amount that is calculated by subtracting the generated power amount being a summation of the generated power in a prediction segment 60 having a start point set at a predetermined time, from the load power amount being a summation of the load power in the prediction segment 60, and when the predicted charge amount is positive, to control the charge state of a storage battery 12 at the start point so that the predicted charge amount can be charged in the prediction segment 60, wherein an end point of the prediction segment 60 is a time at which the generated power by photovoltaic power generation is predicted to become equal to the load power after reaching the maximum value of the generated power. The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling charge state of a storage battery 12 so that surplus power generated by photovoltaic generation can be entirely charged into the storage battery 12 even in ...More ...Less
4 WO2017119106A1
POWER STORAGE MODULE
Publication/Patent Number: WO2017119106A1 Publication Date: 2017-07-13 Application Number: 2016050383 Filing Date: 2016-01-07 Inventor: Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H01G11/10 Abstract: Provided is a power storage module that includes: a plurality of power storage batteries (1) disposed so as to be arranged in multiple rows; and a module container (5) that retains the plurality of storage batteries (1). In a state in which positive electrode terminals (2) and negative electrode terminals (3) are on top Provided is a power storage module that includes: a plurality of power storage batteries (1) disposed so as to be arranged in multiple rows; and a module container (5) that retains the plurality of storage batteries (1). In a state in which positive electrode terminals (2) and ...More ...Less
5 US2017366023A1
POWER CONVERSION SYSTEM
Publication/Patent Number: US2017366023A1 Publication Date: 2017-12-21 Application Number: 15/543,611 Filing Date: 2015-09-29 Inventor: Tanaka, Kazufumi   Inoue, Sadayuki   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H02J7/00 Abstract: When a plurality of storage batteries is used by connecting them in parallel, since the progress of degradation differs among the storage batteries, a power conversion system includes a degradation information acquisition device for acquiring the degradation information of the storage batteries; a temperature information acquisition device for detecting the temperature information of the storage batteries, and a control device for controlling the storage battery power converter based on the degradation information of the storage batteries by the degradation information acquisition device and the temperature information of the storage batteries by the temperature information acquisition device so that the degradation states of the plurality of the storage batteries can be matched. When a plurality of storage batteries is used by connecting them in parallel, since the progress of degradation differs among the storage batteries, a power conversion system includes a degradation information acquisition device for acquiring the degradation information of the ...More ...Less
6 US9841464B2
Life prediction apparatus for electrical storage device and life prediction method for electrical storage device
Publication/Patent Number: US9841464B2 Publication Date: 2017-12-12 Application Number: 14/650,932 Filing Date: 2013-12-10 Inventor: Kise, Makiko   Miki, Shinsuke   Yoshioka, Shoji   Assignee: Mitsubishi Electric Corporation   IPC: G01R31/36 Abstract: A life prediction apparatus for an electrical storage device, which has a life predictor, includes: an operation controller for life prediction that controls operation of the electrical storage device; a data collector that collects measurement data with respect to a plurality of operation conditions and calculates and successively accumulates evaluation characteristics; a data analyzer that creates a regression formula representing a relationship between the evaluation characteristic and an operation time by curve fitting, with an appropriate approximation function, the accumulated evaluation characteristic data; and a life prediction formula creator that creates a life prediction formula for calculating a predicted value of the evaluation characteristic under random operation conditions on the basis of the regression formula. A life prediction apparatus for an electrical storage device, which has a life predictor, includes: an operation controller for life prediction that controls operation of the electrical storage device; a data collector that collects measurement data with respect to a plurality ...More ...Less
7 US2017184522A1
STABILITY EVALUATION TEST DEVICE AND STABILITY EVALUATION TEST METHOD FOR ELECTRIC STORAGE DEVICE
Publication/Patent Number: US2017184522A1 Publication Date: 2017-06-29 Application Number: 15/039,075 Filing Date: 2014-09-03 Inventor: Kise, Makiko   Badono, Shinji   Yoshioka, Shoji   Assignee: Mitsubishi Electric Corporation   IPC: G01N25/20 Abstract: A stability evaluation test device includes: an operation/test control unit that sets an SOC of a test electric storage device to an established value, and sets an SOC of a thermal standard electric storage device to a value lower than that of the SOC of the test electric storage device; a test data collection unit that measures a temperature of the test electric storage device and the thermal standard electric storage device; and an evaluation and analysis unit that calculates respective self-generated heat amounts of the test electric storage device and the thermal standard electric storage device on the basis of the temperatures of the electric storage devices, and evaluates the stability of the test electric storage device on the basis of a ratio of the self-generated heat amounts of the test electric storage device and of the thermal standard electric storage device. A stability evaluation test device includes: an operation/test control unit that sets an SOC of a test electric storage device to an established value, and sets an SOC of a thermal standard electric storage device to a value lower than that of the SOC of the test electric ...More ...Less
8 WO2016132586A1
POWER CONVERSION SYSTEM
Publication/Patent Number: WO2016132586A1 Publication Date: 2016-08-25 Application Number: 2015077495 Filing Date: 2015-09-29 Inventor: Kise, Makiko   Tanaka, Kazufumi   Inoue, Sadayuki   Assignee: MITSUBISHI ELECTRIC CORPORATION   IPC: H01M10/44 Abstract: When a plurality of storage batteries are used by being connected in parallel with each other
9 DE112014005919T5
Stabilitätsauswertungstestvorrichtung und Stabilitätsauswertungstestverfahren für eine Elektrospeichervorrichtung
Title (English): Stability Evaluation device and Stability Evaluation procedure of Capacitance Storage device
Publication/Patent Number: DE112014005919T5 Publication Date: 2016-09-08 Application Number: 112014005919 Filing Date: 2014-09-03 Inventor: Badono, Shinji   Yoshioka, Shoji   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H01M10/04 Abstract: Diese Erfindung betrifft eine Stabilitätsauswertungstestvorrichtung und ein Stabilitätsauswertungstestverfahren für eine Elektrospeichervorrichtung
10 US9461347B2
Power storage device cell, manufacturing method and storing method therefor, and electric storage device
Publication/Patent Number: US9461347B2 Publication Date: 2016-10-04 Application Number: 13/520,296 Filing Date: 2011-01-12 Inventor: Kise, Makiko   Mitsuda, Kenro   Aihara, Shigeru   Takemura, Daigo   Assignee: Mitsubishi Electric Corporation   IPC: H01M12/00 Abstract: A power storage device cell is configured such that a capacitor positive electrode and a lithium positive electrode are directly connected with each other; a second electrode layer is formed of a material including particles of phosphoric-acid-type lithium compound having an olivine-type structure; the third electrode layers are formed mainly of particles of lithium titanate; and a third collector foil is formed of an aluminum foil. A power storage device cell is configured such that a capacitor positive electrode and a lithium positive electrode are directly connected with each other; a second electrode layer is formed of a material including particles of phosphoric-acid-type lithium compound having an ...More ...Less
11 WO2016208319A1
STORAGE-BATTERY CONTROL DEVICE
Publication/Patent Number: WO2016208319A1 Publication Date: 2016-12-29 Application Number: 2016065423 Filing Date: 2016-05-25 Inventor: Ida, Takahito   Nishiguchi, Hiroto   Hara, Satoshi   Kise, Makiko   Aihara, Shigeru   Takegami, Tomoki   Assignee: MITSUBISHI ELECTRIC CORPORATION   IPC: H01M10/44 Abstract: The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling the charge state of a storage battery 12 so that all surplus power generated by photovoltaic generation can be charged in the storage battery 12 even in a case where power cannot be sold to a grid power supply 50. The storage-battery control device 1 according to the present invention is provided with: a load-power prediction device 4 for predicting load power; a PV-power prediction device 3 for predicting power generated by photovoltaic generation; and a system controller 2 that obtains a predicted amount of power charge by excluding the amount of load power The present invention provides a storage-battery control device 1 capable of enhancing economical efficiency by controlling the charge state of a storage battery 12 so that all surplus power generated by photovoltaic generation can be charged in the storage battery 12 even in a ...More ...Less
12 WO2015093103A1
STABILITY EVALUATION TEST DEVICE AND STABILITY EVALUATION TEST METHOD FOR ELECTRIC STORAGE DEVICE
Publication/Patent Number: WO2015093103A1 Publication Date: 2015-06-25 Application Number: 2014073193 Filing Date: 2014-09-03 Inventor: Badono, Shinji   Yoshioka, Shoji   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H01M10/04 Abstract: Obtained are a stability evaluation test device and a stability evaluation test method for an electric storage device
13 US9040182B2
Power storage device cell, manufacturing method therefor, and electric storage device
Publication/Patent Number: US9040182B2 Publication Date: 2015-05-26 Application Number: 13/512,056 Filing Date: 2010-12-27 Inventor: Aihara, Shigeru   Mitsuda, Kenro   Kise, Makiko   Takemura, Daigo   Assignee: Mitsubishi Electric Corporation   IPC: H01M12/00 Abstract: A power storage device cell is configured to include a capacitor positive electrode, a lithium positive electrode, and a common negative electrode in which electrode layers are formed on a collector foil in which penetration holes are formed, and such that the capacitor positive electrode and the lithium positive electrode are directly connected; each of the electrode layers of the common negative electrode is formed of a carbon-based material in which graphite particles and hard carbon particles are mixed, and the proportion of the hard carbon particles in the carbon-based material is from 5% by weight to 70% by weight. A power storage device cell is configured to include a capacitor positive electrode, a lithium positive electrode, and a common negative electrode in which electrode layers are formed on a collector foil in which penetration holes are formed, and such that the capacitor positive ...More ...Less
14 US2015323611A1
LIFE PREDICTION APPARATUS FOR ELECTRICAL STORAGE DEVICE AND LIFE PREDICTION METHOD FOR ELECTRICAL STORAGE DEVICE
Publication/Patent Number: US2015323611A1 Publication Date: 2015-11-12 Application Number: 14/650,932 Filing Date: 2013-12-10 Inventor: Kise, Makiko   Miki, Shinsuke   Yoshioka, Shoji   Assignee: MITSUBISHI ELECTRIC CORPORATION   IPC: G01R31/36 Abstract: A life prediction apparatus for an electrical storage device, which has a life predictor, includes: an operation controller for life prediction that controls operation of the electrical storage device; a data collector that collects measurement data with respect to a plurality of operation conditions and calculates and successively accumulates evaluation characteristics; a data analyzer that creates a regression formula representing a relationship between the evaluation characteristic and an operation time by curve fitting, with an appropriate approximation function, the accumulated evaluation characteristic data; and a life prediction formula creator that creates a life prediction formula for calculating a predicted value of the evaluation characteristic under random operation conditions on the basis of the regression formula. A life prediction apparatus for an electrical storage device, which has a life predictor, includes: an operation controller for life prediction that controls operation of the electrical storage device; a data collector that collects measurement data with respect to a plurality ...More ...Less
15 WO2014167928A1
STORAGE BATTERY CHARGE/DISCHARGE CONTROL DEVICE AND STORAGE BATTERY CHARGE/DISCHARGE CONTROL METHOD
Publication/Patent Number: WO2014167928A1 Publication Date: 2014-10-16 Application Number: 2014056182 Filing Date: 2014-03-10 Inventor: Murata, Mitsuru   Hara, Satoshi   Yoshioka, Shoji   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: H01M10/44 Abstract: By determining the charge/discharge current value on the basis of the amount of time for charging and discharging and the battery state of the storage battery
16 US8906525B2
Energy storage device cell
Publication/Patent Number: US8906525B2 Publication Date: 2014-12-09 Application Number: 13/287,383 Filing Date: 2011-11-02 Inventor: Mitsuda, Kenro   Kise, Makiko   Yoshioka, Shoji   Aihara, Shigeru   Assignee: Mitsubishi Electric Corporation   IPC: H01M12/00 Abstract: Provided is an energy storage device cell capable of enhancing energy density. The energy storage device cell includes: a battery main body including battery anode plate members and battery cathode plate members, in which the battery cathode plate members are placed at both ends in a stack direction; common anode plate members each including a common anode collector foil having a through-hole formed therein and common anode electrode layers, the common anode plate members being stacked on the battery cathode plate members placed at both ends in the stack direction of the battery main body; capacitor cathode plate members each including a capacitor cathode collector foil and a capacitor cathode electrode layer, in which the capacitor cathode electrode layer is placed between the common anode plate member and the capacitor cathode collector foil. Provided is an energy storage device cell capable of enhancing energy density. The energy storage device cell includes: a battery main body including battery anode plate members and battery cathode plate members, in which the battery cathode plate members are placed at both ends ...More ...Less
17 WO2014103705A1
LIFETIME ESTIMATION DEVICE FOR ENERGY STORAGE DEVICES AND LIFETIME ESTIMATION METHOD FOR ENERGY STORAGE DEVICES
Publication/Patent Number: WO2014103705A1 Publication Date: 2014-07-03 Application Number: 2013083107 Filing Date: 2013-12-10 Inventor: Miki, Shinsuke   Yoshioka, Shoji   Kise, Makiko   Assignee: Mitsubishi Electric Corporation   IPC: G01R31/36 Abstract: A lifetime estimation device for energy storage devices
18 US8790811B2
Flat-wound electricity storage device cell and flat-wound electricity storage device module
Publication/Patent Number: US8790811B2 Publication Date: 2014-07-29 Application Number: 13/360,985 Filing Date: 2012-01-30 Inventor: Mitsuda, Kenro   Takemura, Daigo   Aihara, Shigeru   Okada, Tatsunori   Kise, Makiko   Matsumoto, Shuichi   Assignee: Mitsubishi Electric Corporation   IPC: H01M10/50 Abstract: A cathode terminal includes a cathode collector foil connector connected to the blank of a cathode collector foil, a cathode terminal external lead-out portion, and an intra-cell cathode terminal radiator located between the cathode collector foil connector and the cathode terminal external lead-out portion and covering approximately half of one of the wide side surfaces of a flat-wound electrode portion. An anode terminal includes an anode collector foil connector connected to the blank of an anode collector foil, an anode terminal external lead-out portion, and an in-cell anode terminal radiator located between the anode collector foil connector and the anode terminal external lead-out portion and substantially covering a remaining portion of the one of the wider side surfaces of the flat-wound electrode portion. A cathode terminal includes a cathode collector foil connector connected to the blank of a cathode collector foil, a cathode terminal external lead-out portion, and an intra-cell cathode terminal radiator located between the cathode collector foil connector and the cathode ...More ...Less