35 results about "Equilibrium potential" patented technology

With a gas sensor comprising a structure including a reference pole having a reference material and an electronic conductive material and a sensing pole having a sensing material and an electronic conductive material provided through a solid electrolyte in which the said solid electrolyte, the said reference material and the said sensing material are constituted of lithium ionic conductors and a method of manufacturing the same, an equilibrium potential gas sensor employing a solid electrolyte operable at a low temperature not more than 200 DEG C, particularly at the room temperature, not influenced by moisture or the like and excellent in age-based stability with high measurement sensitivity as well as high responsibility and a method of manufacturing the same can be provided.

The invention relates to an electronic read circuit for a radiation detector comprising: an element (11) sensitive to the radiation, an injection circuit, able to inject a charge at one terminal of the sensitive element (11), the injection circuit (14) extending between at least one input terminal and one output terminal, the output terminal being able to be connected to said sensitive element (11), the injection circuit (14) being able to produce a charge under the effect of a trigger pulse. The injection circuit is able to inject a first charge when an input terminal is connected to a first input potential and a second charge when an input terminal is connected to a second input potential (Vinj2, Phiinj)). The circuit comprises means for storing a difference between an output potential of the injection circuit (14), called equilibrium potential, and a reference potential, such that the second charge depends on the second input potential and on said equilibrium potential.

The invention discloses a high concentration zinc and vanadium redox cell. According to the invention, the novel zinc vanadium oxidation reduction cell is characterized in that a vanadium ion solution is taken as an anode active substance, zinc and a zinc ion solution are taken as an cathode active substance, wherein the equilibrium potential is 1.76 V under a standard state, the open-circuit voltage is 1.7 - 2.0 V under a charging state. The vanadium ions of the vanadium ion solution are existed as quintavalence and quadrivalence (V(I), V(IV)), and the total vanadium concentration can reach to 4.0 mol / L, a solvent is inorganic acid or organic acid. The zinc ion solution is a zinc ion electrolyte containing organic acid or inorganic acid. The organic acid is methanesulfonic acid or sulfamic acid. The inorganic acid is sulfuric acid or nitric acid. The high energy concentration redox cell can be exploited according to the invention.

The invention discloses a method for detecting single electrode potential of a battery. The method comprises the following steps: an AC impedance test is used for acquiring AC impedance spectrums of a positive electrode / negative electrode, a positive electrode / reference electrode and a negative electrode / reference electrode of the battery in different states of charge (SOC) and at different temperatures; an equivalent circuit, a positive electrode equivalent circuit and a negative electrode equivalent circuit of the total battery are respectively used to fit the AC impedance spectrums of the positive electrode / negative electrode, the positive electrode / reference electrode and the negative electrode / reference electrode, and a related three-dimensional mapping table between equivalent impedance of the positive electrode and the negative electrode and the SOC and the temperature is obtained; the current electrode equilibrium potential is obtained according to the SOC of the battery and a equilibrium potential curve; and the single electrode potential is obtained according to the electrode equilibrium potential, charging / discharging current sum of the battery and the three-dimensional mapping table. The electrode potential of a common battery can be directly and conveniently measured, and accuracy of the measurement result is improved. The invention also provides a system for detecting single electrode potential of a battery.