G01N25/4866

METHOD FOR MEASURING OIL CONTENT OF LITHIUM BATTERY SEPARATOR BY USING DSC

A method for measuring the oil content of a lithium battery separator by using DSC includes the following steps: taking 5-10 mg of an oil-containing separator sample from the lithium battery separator, and taking 5-10 mg of an oil-free separator sample from an oil-free separator; performing an enthalpy test on the oil-free separator sample at room temperature by using a differential scanning calorimeter to obtain a first enthalpy value, and performing an enthalpy test on the oil-containing separator sample by using the differential scanning calorimeter to obtain a second enthalpy value; subtracting the second enthalpy value from the first enthalpy value to obtain a difference, and then dividing the difference by the first enthalpy value to obtain the oil content of the oil-containing separator sample.

Apparatus and methods for measuring thermal transformation

The present application discloses, in some embodiments thereof, an apparatus, systems and methods for measuring specimens' displacement or transformation while heating. In some embodiments, the present invention discloses apparatus and methods for determining the transformation temperature or range of temperatures of specimens, such as specimens manufactured from a memory shape alloy.

METHOD FOR PROVIDING CANCER DIAGNOSIS INFORMATION USING THERMAL ANALYSIS METHOD AND PORTABLE CANCER DIAGNOSIS DEVICE USING THERMAL ANALYSIS METHOD

The present disclosure relates to a method for providing cancer diagnosis information using a thermal analysis method and a portable cancer diagnosis device using a thermal analysis method. The method for providing cancer diagnosis information using a thermal analysis method according to the present disclosure is capable of diagnosing the type, progression, metastasis, etc. of cancer using the thermochemical reaction onset temperature, calorie change, etc. obtained by analyzing the heat flux to and from a biological sample. In addition, the portable cancer diagnosis device using a thermal analysis method of the present disclosure is capable of diagnosing the presence of cancer accurately and easily using the temperature function data depending on time measured by heating the biological sample.

Method for measuring oil content of lithium battery separator by using DSC

A method for measuring the oil content of a lithium battery separator by using DSC includes the following steps: taking 5-10 mg of an oil-containing separator sample from the lithium battery separator, and taking 5-10 mg of an oil-free separator sample from an oil-free separator; performing an enthalpy test on the oil-free separator sample at room temperature by using a differential scanning calorimeter to obtain a first enthalpy value, and performing an enthalpy test on the oil-containing separator sample by using the differential scanning calorimeter to obtain a second enthalpy value; subtracting the second enthalpy value from the first enthalpy value to obtain a difference, and then dividing the difference by the first enthalpy value to obtain the oil content of the oil-containing separator sample.

Adiabatic power compensation differential scanning calorimeter
11047748 · 2021-06-29 ·

Disclosed are systems and methods for providing an adiabatic power compensation differential scanning calorimeter to minimize a temperature difference between a sample and a reference. For instance, methods can include providing ramp-up heating power to heat a sample container and a reference container based on a preprogrammed temperature ramp rate; minimizing a temperature difference among the sample container, the reference container, and at least one furnace; providing compensating heat to the sample container and the reference container when a self-heating activity of the sample material is detected; providing container-only compensating heat to the sample container to block heat transfer from the sample material to the sample container once the self-heating activity of the sample material is detected; and providing compensating heat to the reference container to facilitate container-only compensating heat calculation and control.

Electrochemical cell having solid ionically conducting polymer material

The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions.

Method of Determining a Relative Decrease in Catalytic Efficacy of a Catalyst in a Catalyst solution
20210122846 · 2021-04-29 · ·

The present disclosure provides a method of determining a relative decrease in catalytic efficacy of a catalyst in a test sample of a catalyst solution with unknown catalytic activity. The method includes (a) mixing the test sample with a test solvent to form a test mixture and (b) measuring the increase in the temperature of the test mixture at predetermined time intervals immediately after forming the test mixture. A predetermined feature is used to determine both a test value in the increase in temperature measured in (b) and a control value in a known increase in temperature of a control mixture of the test solvent with a control sample of a control catalyst solution. The relative decrease in catalytic efficacy of the catalyst in the test sample having the unknown catalytic activity is then determined from: Relative Decrease in Catalytic Efficacy=Control Value−Test Value/Control Value

Device and method for determining the composition of an electrolyte

This invention relates to nonferrous metallurgy, in particular to a device and method for electrolyte composition analysis based on differential thermal measurements for aluminum electrolysis control. The device is comprised of a metal body including a reference material and an electrolyte sample receptacle, temperature sensors immersed into the reference material and in an electrolyte sample, a system for registration, data processing, and visualization of obtained results. A method includes immersing a metal body into an electrolyte; filling a receptacles with the molten electrolyte; removing and cooling down the metal body having the filled receptacle above a crust on the molten electrolyte surface; drawing and analyzing differential-thermal curves based on which the liquidus temperature, electrolyte superheating and phase and blend compositions of electrolyte solid samples are determined taking into account all crystallizing phases the content of which in the electrolyte sample is no less than 3 wt %.

Apparatus for quantitatively feeding a high viscosity fluid sample

Disclosed is an apparatus for quantitively supplying a high-viscosity fluid sample, the apparatus including a cylinder body in which a high-viscosity fluid is to be stored, a cylinder head detachably attached to the cylinder body, a piston configured to slide in a longitudinal direction of the cylinder body, and a cutter disposed below the cylinder head and configured to cut a high-viscosity fluid discharged from the cylinder head.

THERMAL ANALYZER

A thermal analyzer includes heating section including a heating furnace in which a sample is contained, and a weight measurement section configured to measure a weight of the sample. The weight of the sample is measured by the weight measurement section while the sample is heated by the heating section. The thermal analyzer further includes: a light emitting indicator that is provided in front of the exterior of the thermal analyzer, and includes a plurality of light emitting diode elements; an analysis controller configured to control heating by the heating section in accordance with a predetermined measurement program, and to acquire weight data of the sample from the weight measurement section in a predetermined time period; and an indication controller configured to drive the light emitting indicator to flash at least during a time period in which the weight data is acquired.