摘要:
An overdischarge preventing circuit apparatus according to this invention is an overdischarge preventing circuit apparatus for a nonaqueous electrolyte secondary battery, including a discharge control mechanism which controls discharge of the nonaqueous electrolyte secondary battery when a surface temperature of the nonaqueous electrolyte secondary battery exceeds a discharge control temperature T1 (° C.) represented by T1=T0+QA (1) where T0 is an ambient temperature (° C.), Q is 8 (° C./C), and A is a discharge rate (C).
摘要:
An overdischarge preventing circuit apparatus according to this invention is an overdischarge preventing circuit apparatus for a nonaqueous electrolyte secondary battery, including a discharge control mechanism which controls discharge of the nonaqueous electrolyte secondary battery when a surface temperature of the nonaqueous electrolyte secondary battery exceeds a discharge control temperature T1 (° C.) represented by T1=T0+QA (1) where T0 is an ambient temperature (° C.), Q is 8 (° C./C), and A is a discharge rate (C).
摘要:
A battery pack including: a nonaqueous electrolyte secondary battery including an external connection terminal; and a discharge control mechanism which controls discharge of the nonaqueous electrolyte secondary battery when a surface temperature of the nonaqueous electrolyte secondary battery exceeds a discharge control temperature T1 (° C.) represented by T1=T0+QA (1) where T0 is an ambient temperature in a range of 0 to 60° C., Q is 8 (° C./C), and A is a discharge rate (C) of the nonaqueous electrolyte secondary battery in a case where a current required for discharging a nominal capacity of the nonaqueous electrolyte secondary battery in one hour is 1C, and is within a range of 4C to 7C.
摘要:
An overdischarge preventing circuit apparatus according to this invention is an overdischarge preventing circuit apparatus for a nonaqueous electrolyte secondary battery, including a discharge control mechanism which controls discharge of the nonaqueous electrolyte secondary battery when a surface temperature of the nonaqueous electrolyte secondary battery exceeds a discharge control temperature T1 (° C.) represented by T1=T0+QA (1) where T0 is an ambient temperature (° C.), Q is 8 (° C./C), and A is a discharge rate (C).
摘要:
A non-aqueous electrolyte battery that contains a molten salt electrolyte and has the enhanced output performances and cycle performances can be provided. The electrolyte has a molar ratio of lithium salt to molten salt of from 0.3 to 0.5, and the non-aqueous electrolyte battery has a positive electrode having a discharge capacity of 1.05 or more times that of a negative electrode thereof.
摘要:
An optical recording medium formed of a pre-grooved substrate provided with a recording layer formed on the groove, in which the groove has a shape to satisfy the condition I.sub.Gr /I.sub.0 .gtoreq.0.85, where I.sub.0 represents the reflected light quantity from the mirror surface and I.sub.Gr represents the reflected light quantity from the groove surface when the laser beam is concentrated to a spot size of approximately 1 .mu.m on the surface of the medium, and to enable three-spot tracking to be performed. According to this invention, the CN ratio as the measure of noise in an optical recording medium can be improved.
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an electrode group. The electrode group includes a positive electrode and a negative electrode. At least one of the positive electrode or the negative electrode has a first electrode part and a second electrode part. The first electrode part includes a first metal substrate and an active material-containing part. The second electrode part includes a second metal substrate and an active material-containing part. The first metal substrate has a tensile strength larger than a tensile strength of the second metal substrate. A part of the first electrode part is provided more outside of the electrode group than a part of the second electrode group.
摘要:
According to one embodiment, a non-aqueous electrolyte secondary battery includes a metal container, an electrode group housed in the metal container and including a positive electrode, a negative electrode and a separator interposed between the negative and the positive electrodes, a non-aqueous electrolyte housed in the metal container, a positive electrode lead of which one end is electrically connected to the positive electrode, a negative electrode lead of which one end is electrically connected to the negative electrode, a negative electrode terminal attached to the metal container and electrically connected with the other end of the negative electrode lead, and an Sn alloy film interposed between the negative electrode lead and the negative electrode terminal. The Sn alloy film includes Sn and at least one metal selected from the group consisting of Zn, Pb, Ag, Cu, In, Ga, Bi, Sb, Mg and Al.
摘要:
It is made possible to provide a battery-integrated semiconductor module containing a small built-in battery having satisfactory output characteristics. A battery-integrated semiconductor module includes: an insulating substrate; a semiconductor device provided on the insulating substrate; a nonaqueous electrolyte battery for driving the semiconductor device, which is provided in and/or on the insulating substrate and comprises a positive electrode, a negative electrode, a separator for separating the positive electrode and the negative electrode from each other, and a nonaqueous electrolyte containing an ionic liquid as a main component, with which the positive electrode, the negative electrode, and the separator are impregnated; and a sealing resin provided to cover the semiconductor device and the nonaqueous electrolyte battery, wherein any one of the positive electrode, the negative electrode, and the separator is in contact with the insulating substrate and the sealing resin.
摘要:
A nonaqueous electrolyte battery, including a case, a positive electrode housed in the case, a negative electrode housed in the case, and a nonaqueous electrolyte containing an ionic liquid and lithium ions of which molar amount is no smaller than 1.8×10−5 mol per mAh of the battery capacity.