摘要:
A particulate matter sensor which may be used as an onboard particulate matter diagnostic sensor includes an insulating base that has at least a pair of opposing plane surfaces, an electrode nucleus that is formed on one of the pair of opposing plane surfaces of the base, and forms an electrode when a conductive substance adheres to the plane surface, and an electrode that is disposed parallel to the electrode nucleus and is provided on the other of the pair of opposing plane surfaces, or provided on a side surface of the base that is adjacent to the pair of opposing plane surfaces, or provided inside the base.
摘要:
A particulate matter sensor (1) which may be used as an onboard particulate matter diagnostic sensor includes an insulating base (2) that has at least a pair of opposing plane surfaces, an electrode nucleus (3) that is formed on one of the pair of opposing plane surfaces of the base (2), and forms an electrode when a conductive substance adheres to the plane surface, and an electrode (4) that is disposed parallel to the electrode nucleus (3) and is provided on the other of the pair of opposing plane surfaces, or provided on a side surface of the base (2) that is adjacent to the pair of opposing plane surfaces, or provided inside the base (2).
摘要:
There are disclosed an instrument for measuring the concentration of particulates in a fluid, which is capable of determining the concentration of the particulates in the fluid with high accuracy. The instrument for measuring the concentration of the particulates in the fluid includes particulate collecting means, temperature measuring means, flow rate measuring means, impedance measuring means, time measuring means, constant determining means for determining an impedance change per unit time-particulate concentration constant from temperature and flow rate, impedance change per unit time computing means for computing the change of an impedance per unit time, and particulate concentration determining means for determining the concentration of the particulates from the change of the impedance per unit time computed by the impedance change per unit time computing means.
摘要:
An impedance measuring instrument of a fine particle collector comprising a fine particle collection body for collecting fine particles in a fluid, a conductive can body for containing the fine particle collection body, and a buffering body disposed between the fine particle collection body and the conductive can body, wherein two or more electrodes are arranged on the fine particle collection body, at least one of the electrodes is connected with an AC power supply, at least the other electrode is connected with an ammeter, the AC power supply and the ammeter are interconnected and further connected with the conducive can body, and the conducive can body is grounded.
摘要:
There are disclosed an instrument for measuring the concentration of particulates in a fluid, which is capable of determining the concentration of the particulates in the fluid with high accuracy. The instrument for measuring the concentration of the particulates in the fluid includes particulate collecting means, temperature measuring means, flow rate measuring means, impedance measuring means, time measuring means, constant determining means for determining an impedance change per unit time-particulate concentration constant from temperature and flow rate, impedance change per unit time computing means for computing the change of an impedance per unit time, and particulate concentration determining means for determining the concentration of the particulates from the change of the impedance per unit time computed by the impedance change per unit time computing means.
摘要:
A lithium secondary battery is provided in which even if the depth of discharge becomes deep, lowering of an power is small, and charging and discharging characteristics are excellent, and which is suitably used particularly as a battery for driving a motor of an electric vehicle or the like. In the lithium secondary battery, an internal electrode body formed by winding a positive electrode and a negative electrode through a separator made of porous polymer is contained in a battery case, and an organic electrolyte is used. An power at a depth of discharge of 80% is not smaller than 60% of an power at a depth of discharge of 0%.
摘要:
A lithium secondary battery includes a battery case, an internal electrode body contained in the battery case and including a positive electrode, a negative electrode and a separator made of porous polymer, the positive electrode and the negative electrode are wound or laminated. A working volume ratio of the positive active material and the negative active material obtained by the positive active material weight being divided by the negative active material weight is within the range from 40% to 90% of the theoretical working volume ratio. the lithium secondary battery has high safety as well as high energy density by controlling the working volume of an electrode active material and the dispersion of the distribution of the working volume and in particular is preferably used for a drive motor of an electric vehicle.
摘要:
A lithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X/E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (R×E) of battery internal resistance R (m&OHgr;) and battery energy E (Wh), of 50 to 900 (m&OHgr;·Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.
摘要:
A lithium secondary battery includes an internal electrode body including a positive electrode, a negative electrode, a separator, the positive electrode and the negative electrode being wound via the separator so that the positive electrode and the negative electrode are not brought into direct contact with each other, an organic electrolyte, and a battery case containing the internal electrode body. A pipe is used as the battery case. The lithium secondary battery is excellent in reliability and can be produced at low processing costs.
摘要:
Provided are a method for filling an electrolyte solution and a battery structure of a lithium secondary battery comprising an internal electrode body formed by winding a positive electrode, and a negative electrode, with a separator sandwiched therebetween around the outer periphery of a core, and an electrolyte solution to impregnate said internal electrode body; said method being excellent in productivity, and battery performance as well, and being characterized by an easy filling of an electrode solution, with minimization of excessive electrode solution in the battery, by virtue of the provision of an electrolyte solution injection opening in a specific position, through which the electrolyte solution is injected and extracting efficiently by using a nozzle for injection and/or extraction of electrolyte solution.