ELECTRODE ROLL AND METHOD FOR PRODUCING ELECTRODE ROLLTo provide an electrode roll capable of preventing lowering of production efficiency due to active material particles that have fallen. An electrode roll (600) in which a sheet-like electrode base mat…DRIVE·Jul 22·1 min readFollowH01M10/0431NEC ENERGY DEVICES LTD [JP]
ELECTRIC STORAGE SYSTEM AND METHOD FOR MANAGING SECONDARY BATTERY REMAINING CAPACITYA battery system according to the present invention includes a secondary battery; a battery control unit that controls charging and discharging of said secondary battery; and a charging/discharging ma…DRIVE·May 21·1 min readFollowH01M10/48NEC ENERGY DEVICES LTD [JP]
METHOD FOR MANUFACTURING BATTERY PACK AND BATTERY PACKA battery pack that has multiple battery units that differ in full charge capacity is charged and discharged to the maximum. A method of manufacturing the battery pack includes the following steps. Fi…DRIVE·May 14·1 min readFollowH01M10/4207NEC ENERGY DEVICES LTD [JP]
ENERGY STORAGE SYSTEM AND RECHARGEABLE BATTERY CONTROL METHODA power storage system includes a plurality of secondary battery packs and an upper controller. When causing an additional discharge secondary battery pack that is not being discharged to start being …DRIVE·Jan 29·1 min readFollowH01M10/425NEC ENERGY DEVICES LTD [JP]
LITHIUM ION BATTERYThere is provided a lithium ion battery having high flame retardancy and good cycle characteristics on a long-term basis. The lithium ion battery according to this exemplary embodiment is a lithium io…DRIVE·Jan 8·2 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERYAn object of the present invention is to provide a gel electrolyte for a lithium ion secondary battery having flame retardancy over a long period and a good capacity maintenance rate. The gel electrol…DRIVE·Nov 6·1 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
DISCHARGE CONTROLLERRemaining capacity calculation section (110) calculates remaining capacities for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) stops, after startin…DRIVE·Oct 30·1 min readFollowH01M10/441NEC ENERGY DEVICES LTD [JP]
DISCHARGE CONTROLLERRemaining capacity calculation section (110) calculates remaining capacities for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) discharges one of ce…DRIVE·Oct 30·1 min readFollowB60L58/15NEC ENERGY DEVICES LTD [JP]
DISCHARGE CONTROLLERRemaining capacity calculation section (110) calculates the remaining capacity for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) stops discharge of…DRIVE·Oct 30·1 min readFollowH01M10/441NEC ENERGY DEVICES LTD [JP]
POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAMEProvided is a lithium ion positive electrode active material for a secondary battery that can realize a high operating voltage and a high capacity while suppressing capacity drop with cycles by using …DRIVE·Jun 5·2 min readFollowH01M4/1315NEC ENERGY DEVICES LTD [JP]
LITHIUM ION SECONDARY BATTERYProvided is a lithium ion secondary battery which is low in capacity drop of the battery during fast-charge and has high energy density. In the present lithium ion secondary battery, the positive elec…DRIVE·Jun 5·2 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
VOLTAGE MEASURING CIRCUIT AND METHODAn average current value that is the average value of current values is found by connecting a detection resistor in parallel to two terminals that are the object of measurement, measuring the current …DRIVE·May 15·1 min readFollowB60L58/14NEC ENERGY DEVICES LTD [JP]
LITHIUM ION SECONDARY BATTERYA lithium ion secondary battery which meets the requirement [1] of satisfying the formulae (a) to (c) or the requirement [2] of satisfying the formulae (b), (d), and (e): (a) 5 ≤ A ≤ 25, (b) 10 ≤ B ≤ …DRIVE·May 1·1 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
NONAQUEOUS ELECTROLYTE SECONDARY BATTERYThere is provided a nonaqueous electrolyte secondary battery having high capacity in which the reduction in the capacity of the battery due to the irreversible capacity in the first charge and dischar…DRIVE·Apr 24·2 min readFollowH01M10/058NEC ENERGY DEVICES LTD [JP]
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERYA nonaqueous electrolyte secondary battery according to a present exemplary embodiment comprises an electrode element including a positive electrode and a negative electrode arranged to face each othe…DRIVE·Feb 6·1 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
LITHIUM ION SECONDARY BATTERYThere is provided a lithium ion secondary battery excellent in cycle characteristics in which the conductivity of an electrode using a graphite material which is less deformed and oriented by pressuri…DRIVE·Jan 23·1 min readFollowC01B32/05NEC ENERGY DEVICES LTD [JP]
POLYMER SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAMEThere is provided a polymer secondary battery using silicon and silicon oxide as a negative electrode active material that shows a high capacity retention rate also when a charge and discharge cycle i…DRIVE·Dec 26·1 min readFollowH01M10/052NEC ENERGY DEVICES LTD [JP]
NONAQUEOUS ELECTROLYTE SECONDARY BATTERYA nonaqueous electrolyte secondary battery comprising positive and negative electrodes capable of absorbing and desorbing lithium ions; a nonaqueous electrolytic solution; and a separator provided bet…DRIVE·Dec 19·1 min readFollowH01M10/0525NEC ENERGY DEVICES LTD [JP]
NONAQUEOUS ELECTROLYTE SOLUTION, AND LITHIUM ION SECONDARY BATTERY USING SAMEThe exemplary embodiment has an object to provide a nonaqueous electrolyte solution having a flame retardancy over a long period and having a good capacity maintenance rate. The exemplary embodiment i…DRIVE·Dec 19·1 min readFollowH01G11/60NEC ENERGY DEVICES LTD [JP]
LAMINATED SECONDARY BATTERYThe present invention aims at providing a laminated secondary battery in which no short circuit occurs even if an electrode sheet is not covered with an insulating resin. The present invention provide…DRIVE·Dec 12·2 min readFollowH01M50/178NEC ENERGY DEVICES LTD [JP]
METHOD FOR MANUFACTURING A LITHIUM-ION SECONDARY BATTERYThere is provided a lithium ion secondary battery exhibiting a high capacity retention rate over a long period. There is also provided a method for manufacturing a lithium ion secondary battery includ…DRIVE·Sep 26·2 min readFollowH01M10/049NEC ENERGY DEVICES LTD [JP]
GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY COMPRISING SAMEThere is provided a lithium ion secondary battery which has high safety and good life characteristics. There is also provided a gel electrolyte for a lithium ion secondary battery, which contains a li…DRIVE·Sep 19·1 min readFollowH01G11/56NEC ENERGY DEVICES LTD [JP]
NON-AQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL DEVICE COMPRISING THE SAMEThere are provided a nonaqueous-type electrolyte solution having high flame retardancy and a good capacity retention rate, and a device comprising the nonaqueous-type electrolyte solution. The nonaque…DRIVE·Sep 5·1 min readFollowH01G11/56NEC ENERGY DEVICES LTD [JP]
SECONDARY BATTERY PACK SYSTEMTo provide a secondary battery pack system that controls battery packs which are connected in parallel without requiring a complex system configuration, a secondary battery pack system of the present …DRIVE·Jul 25·1 min readFollowH02J7/50NEC ENERGY DEVICES LTD [JP]
STACKED BATTERY AND METHOD FOR MANUFACTURING SAMEA stacked battery includes a square battery element in which a tabular positive electrode, a separator and a tabular negative electrode are laminated, wherein: one side of the battery element is a ter…DRIVE·Jul 18·2 min readFollowH01M10/0413NEC ENERGY DEVICES LTD [JP]
POLYMER GEL ELECTROLYTE AND POLYMER SECONDARY BATTERY USING SAMEThe present invention provides a polymer gel electrolyte capable of inhibiting the cell expansion of a polymer secondary battery and improving the cycle characteristics and high-temperature storage ch…DRIVE·May 16·1 min readFollowH01G11/56NEC ENERGY DEVICES LTD [JP]
SECONDARY BATTERY PACKA secondary battery pack of the present invention includes a secondary battery block 3 in which a plurality of unit blocks 2 are connected in series; battery adjustment sections 5 that are each provid…DRIVE·May 9·2 min readFollowH01M10/4207NEC ENERGY DEVICES LTD [JP]
BATTERY PACKA battery pack includes a plurality of battery modules that house a plurality of unit cells in a case; and a protection circuit board that controls the charge and discharge of a plurality of the batte…DRIVE·Apr 20·1 min readFollowH01M10/425NEC ENERGY DEVICES LTD [JP]
