WO2017061804A1 - 가스 크로마토그래피를 이용한 가스시료 고속 분석장치 및 이의 방법 - Google Patents
가스 크로마토그래피를 이용한 가스시료 고속 분석장치 및 이의 방법 Download PDFInfo
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- WO2017061804A1 WO2017061804A1 PCT/KR2016/011215 KR2016011215W WO2017061804A1 WO 2017061804 A1 WO2017061804 A1 WO 2017061804A1 KR 2016011215 W KR2016011215 W KR 2016011215W WO 2017061804 A1 WO2017061804 A1 WO 2017061804A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/66—Thermal conductivity detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/68—Flame ionisation detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/78—Detectors specially adapted therefor using more than one detector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
- G01N2030/884—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample organic compounds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a gas sample high-speed analysis apparatus using gas chromatography, and more particularly, gas chromatography that can be analyzed in a short time by controlling the direction and order of the gas sample flow to be analyzed using a plurality of columns. It relates to a gas sample high-speed analysis device used.
- lithium ion batteries In operation, lithium ion batteries generate gas components such as hydrogen, oxygen, nitrogen, carbon monoxide, carbon dioxide, methane, ethane, ethylene, and propane.
- gas components such as hydrogen, oxygen, nitrogen, carbon monoxide, carbon dioxide, methane, ethane, ethylene, and propane.
- Gas components such as hydrogen, oxygen, nitrogen, carbon monoxide, carbon dioxide, methane, ethane, ethylene, propane, and vaporized electrolyte components are mixed in the lithium secondary battery, and gas chromatography (GC) is used to analyze the composition thereof. You must clearly separate them by column.
- GC gas chromatography
- the column temperature is cooled to -60 °C or less by using liquid nitrogen to separate each gas species, and the analysis is performed for more than 1 hour, so that the analysis automation is difficult and the sample processing speed is slow. Had a problem.
- An object of the present invention is to provide a gas sample high-speed analyzer and method using gas chromatography that can analyze the gas generated inside the battery in a short time at a temperature above room temperature without using liquid nitrogen. .
- the present invention includes an organic gas analyzer including a switching valve, a column, and a flame ionization detector (FID); And three or more columns including a plurality of switching valves, an electrolyte separation column, a carbon dioxide separation column, and a fixed gas separation column, a pressure controller of a mobile phase gas, and a thermal conductivity detector (TCD). It provides a gas sample high-speed analysis device using a gas chromatography comprising a; fixed gas analysis unit comprising a.
- FID flame ionization detector
- the present invention comprises the steps of a) injecting a gas mixed with an organic gas and a fixed gas; b) sending a part of the injected gas to an organic gas separation column to separate organic gas, and analyzing the separated organic gas with a flame ionization detector (FID); c) separating the injected gas into an electrolyte separation column, a carbon dioxide separation column, and a fixed gas separation column; d) discharging the electrolyte remaining in the electrolyte separation column; e) separating carbon dioxide into the carbon dioxide separation column and bypassing the thermal conductivity detector with a thermal conductivity detector (TCD); f) separating the fixed gas with the fixed gas separation column, and then sending the fixed gas to a thermal conductivity detector (TCD).
- the method provides a high-speed analysis method of a gas sample using gas chromatography.
- the gas sample high-speed analysis apparatus using the gas chromatography of the present invention it is not necessary to cool to below -60 °C using liquid nitrogen, while performing at a temperature higher than room temperature, while removing the electrolyte solution staying in the column, an essential analysis target According to the first analysis, there is an advantage that can be analyzed in a much shorter time than the conventional method.
- FIG. 1 is a view showing a gas sample high-speed analysis apparatus according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating an organic gas analyzer of a high-speed gas sample analyzer according to an exemplary embodiment of the present invention.
- FIG. 3 is a view showing an aspect of the fixed gas analysis unit of the gas sample high-speed analysis apparatus according to an embodiment of the present invention.
- Figure 4 is a view showing one aspect of the fixed gas analysis unit of the gas sample high-speed analysis apparatus according to an embodiment of the present invention.
- FIG. 5 is a view showing an aspect of the fixed gas analysis unit of the gas sample high-speed analysis apparatus according to an embodiment of the present invention.
- FIG. 6 is a view showing an aspect of the fixed gas analysis unit of the gas sample high-speed analysis apparatus according to an embodiment of the present invention.
- FIG. 7 is a graph showing the analysis results of the organic gas obtained from the organic gas analyzer of the present invention.
- FIG. 8 is a graph showing the analysis results of the fixed gas obtained in the fixed gas analysis unit of the present invention.
- the term "and / or” includes any one or a combination comprising any of the plurality of listed items.
- chromatography means physical separation that separates a single component from the analyte by using affinity difference between the mobile phase and the stationary phase of the analyte to be analyzed, and in particular, the mobile phase is gaseous (gas).
- this gas phase chromatography may include a case where the stationary phase is a liquid phase or a solid phase.
- An organic gas analyzer including a switching valve, a column, and a flame ionization detector (FID); And three or more columns including a plurality of switching valves, an electrolyte separation column, a carbon dioxide separation column, and a fixed gas separation column, a pressure controller of a mobile phase gas, and a thermal conductivity detector (TCD). Characterized in that it comprises a fixed gas analysis unit comprising a.
- the organic gas analyzer of the present invention includes a switching valve, a column, and a flame ionization detector (FID), and serves to analyze the organic gas.
- FID flame ionization detector
- the organic gas analyzer of the present invention includes a switching valve, a column, and a flame ionization detector (FID), as shown in the left side of FIG. 1.
- FID flame ionization detector
- the switching valve of the organic gas analyzer of the present invention is not particularly limited as long as it is a valve used in the art, and preferably, 6-port valves to 10-port valves may be used. have.
- the gas to be analyzed can be controlled to be introduced into the analysis device of the present invention, and the gas can be controlled to be introduced into the column and flame ionization detector described later.
- the fixed gas of the fixed gas and the mixed gas of the organic gas is not detected by the flame ionization detector described later, and only the organic gas can be detected by the flame ionization detector described later.
- the column included in the organic gas analyzer is not particularly limited as long as it can adsorb organic gas as a valve used in the art.
- the inner diameter of the column is 1 mm or less and the coating thickness of the fixed phase is 5 to 50 ⁇ m.
- PLOT Porous Layer Open Tubular
- the moving speed is changed by interaction with the coating layer inside the column, so that each component in the gas sample is separated.
- the mobile phase gas may be hydrogen, helium, nitrogen and argon.
- FID Flame Ionization Detector
- the use of hydrogen or helium as the mobile phase gas may be advantageous in the detection sensitivity, and the detection of hydrogen in the fixed gas using argon as the mobile phase gas In addition to improving the sensitivity, it is advantageous in that the fixed gas detection unit and the mobile phase gas can be used simultaneously.
- FID Flame Ionization Detector
- TCD thermal conductivity detector
- the gas sample high speed analyzer of the present invention completely separates the components constituting the organic gas through an organic gas analyzer and completely separates each organic gas without interference from each other when detected by a flame ionization detector (FID). can do.
- FID flame ionization detector
- the fixed gas analysis unit of the present invention is a plurality of switching valves, three or more columns including the electrolyte separation column, carbon dioxide separation column and the fixed gas separation column, separated carbon dioxide passes through the fixed gas separation column It consists of a tube that can bypass (bypass), a pressure controller of the mobile phase gas and a thermal conductivity detector (TCD), and serves to analyze the fixed gas.
- TCD thermal conductivity detector
- the fixed gas is a relative concept of organic gas, and means a gas component generally present in natural air.
- the fixed gas to be analyzed in the art preferably selected from the group consisting of hydrogen (H 2 ), oxygen (O 2 ), nitrogen (N 2 ), carbon monoxide (CO) and carbon dioxide (CO 2 ). It may be any one or more.
- the fixed gas analyzer of the present invention as shown in the right side of Figure 1, a plurality of switching valves, three or more columns including a column for separating the electrolyte, a column for separating carbon dioxide and a fixed gas separation column, the pressure controller of the mobile phase gas ( pressure controller) and Thermal Conductivity Dectector (TCD).
- a plurality of switching valves three or more columns including a column for separating the electrolyte, a column for separating carbon dioxide and a fixed gas separation column, the pressure controller of the mobile phase gas ( pressure controller) and Thermal Conductivity Dectector (TCD).
- the switching valve of the fixed gas analysis unit of the present invention may include two or more, a valve used in the art is not particularly limited, but preferably 6-port valve (six-port valve) to 10 port valve (ten-port valve) can be used.
- the switching valve of the organic gas analysis unit further includes a gas loop for collecting the gas sample to be analyzed, the gas loop is not particularly limited in material and shape, but the shape and volume of the material does not change, 0.1 ⁇ 1.0mL The pressure of the gas sample may be reduced immediately before the gas sample is collected, and the gas may be controlled through the operation of the switching valve.
- the gas to be analyzed can be controlled to be introduced into the analysis device of the present invention, and the gas can be controlled to be introduced into three or more columns and a thermal conductivity detector which will be described later.
- the pressure controller of the mobile phase gas in the fixed gas analyzer of the present invention controls the pressure of the column for separating the electrolyte and the mobile phase gas at the inlet of the column for separating carbon dioxide to move and separate the fixed gas, the organic gas, and the electrolyte. It plays a role.
- the pressure controller independently controls the gas pressure of the mobile phase at the inlet of the electrolyte separation column and the carbon dioxide separation column, and may use an electronic pressure controller, and the mobile gas may be transferred to the organic gas analyzer through the pressure controller. It is preferable to control the movement of the fixed gas, the organic gas and the electrolyte by being connected to any one of the switching valve, by adjusting the switching valve.
- the column for separating the electrolyte may separate the electrolyte from the organic gas and the fixed gas, and then discharge the outside of the column.
- a PLOT Porous Layer Open Tubular
- the inner diameter of the column of 1 mm or less and a coating thickness of 5 to 50um.
- the electrolyte is discharged from the electrolyte separation column.
- the fixed gas and the organic gas having a short retention time pass through the electrolyte separation column and move to the carbon dioxide separation column, and the remaining organic gas and electrolyte stay in the electrolyte separation column.
- the switching valve By controlling the switching valve, the mobile phase gas flowing in the electrolyte separation column flows in reverse, thereby allowing some organic gas and the electrolyte to be discharged out of the column from the electrolyte separation column.
- argon gas continues to flow in the same flow through the independent pressure regulator to allow the organic gas and the fixed gas to move.
- the electrolyte is evaporated and collected inside the cell, and then is present in a vaporized state.
- the electrolyte component may affect the next analysis result during subsequent analysis when staying inside the column, and must be discharged from the column during the analysis. Should give.
- the present invention has the advantage that it is possible to reduce the total analysis time within a short time, specifically 15 minutes to take such an electrolyte by the outside of the column during the analysis proceeds for more than one hour in the past during the analysis.
- the column for separating carbon dioxide in the three or more columns of the fixed gas analysis unit of the present invention after separating the carbon dioxide in the fixed gas, bypassed by a thermal conductivity detector (Thermal Conductivity Dectector, TCD) through a bypass tube (bypass) May be).
- TCD Thermal Conductivity Dectector
- a bypass tube bypass tube
- PLOT Porous Layer Open Tubular
- the fixed gas separation column of the three or more columns of the fixed gas analysis unit of the present invention may be sent to the thermal conductivity detector (Thermal Conductivity Dectector, TCD) after separating the fixed gas.
- TCD Thermal Conductivity Dectector
- Thermal conductivity detector (TCD) of the fixed gas analysis unit of the present invention is a device based on the change in the thermal conductivity of the gas flow caused by the presence of molecules in the analytical sample, the operation is simple, and the linear response range It is large, sensitive to both organic and inorganic chemical species, and has the advantage that the sample is not destroyed after detection.
- the thermal conductivity detector (TCD) may be connected in parallel or in series with other types of detectors including a flame ionization detector (FID) as needed.
- the gas sample high speed analyzing apparatus of the present invention completely separates the components constituting the fixed gas through the fixed gas analyzer and detects them with a thermal conductivity detector (TCD) without interference from each other. Can be separated.
- TCD thermal conductivity detector
- the gas sample high speed analyzing apparatus of the present invention may be for analyzing the gas generated inside the battery, and more specifically, for analyzing the gas generated inside the lithium ion battery.
- Another aspect of the present invention includes the steps of a) injecting a gas mixed with an organic gas and a fixed gas; b) sending a part of the injected gas to an organic gas separation column to separate organic gas, and analyzing the separated organic gas with a flame ionization detector (FID); c) separating the injected gas into an electrolyte separation column, a carbon dioxide separation column, and a fixed gas separation column; d) discharging the electrolyte remaining in the electrolyte separation column; e) separating carbon dioxide into the carbon dioxide separation column and bypassing the thermal conductivity detector with a thermal conductivity detector (TCD); f) separating the fixed gas with the fixed gas separation column, and then sending the fixed gas to a thermal conductivity detector (TCD).
- the method provides a high-speed analysis method of a gas sample using gas chromatography.
- the high speed analysis apparatus of the gas sample of this invention can be used.
- the high speed analysis method of a gas sample of the present invention includes a) injecting a gas mixed with an organic gas and a fixed gas.
- the mixed gas used as the gas sample is not particularly limited as long as it is a mixed gas of an organic gas and a fixed gas.
- the mixed gas may be a gas generated inside a battery, and more preferably, a gas generated inside a lithium ion battery.
- the high-speed analysis method of the gas sample of the present invention b) by sending a portion of the injected mixed gas to the organic gas separation column to separate the organic gas, the separated organic gas flame ionization detector (Flame Ionization Detector , FID).
- the flame ionization detector includes another type of detection including a thermal conductivity detector (TCD).
- the organic gas separation column is not particularly limited as long as the organic gas can be separated as a valve used in the art.
- the inner diameter of the column is 1 mm or less and the coating thickness of the fixed phase is 5 to 50 ⁇ m. It is preferable to use (Porous Layer Open Tubular) system.
- the high-speed analysis method of the gas sample of the present invention comprising the step of separating the injected gas to the electrolyte separation column, carbon dioxide separation column and fixed gas separation column.
- the high-speed analysis method of the gas sample of the present invention includes.
- the fixed gas and the organic gas are moved to the carbon dioxide separation column through the control of a control means such as the above-described switching valve, and then the mobile phase gas is flowed reversely through the operation of the valve to separate the electrolyte from the electrolyte separation column. To be discharged.
- the high-speed analysis method of a gas sample of the present invention comprises the steps of: e) separating carbon dioxide into the column for separating carbon dioxide and bypassing it with a thermal conductivity detector (TCD); It includes.
- TCD thermal conductivity detector
- the column for separating carbon dioxide there is no particular limitation to the column for separating carbon dioxide, but it is preferable to use a PLOT (Porous Layer Open Tubular) column having an inner diameter of the column of 1 mm or less and a fixed coating thickness of 5 to 50 ⁇ m. This is also through the control of the control means such as the switching valve described above, after moving the fixed gas to the fixed gas separation column, the thermal conductivity detector (Thermal Conductivity Dectector, which will be described later immediately without the carbon dioxide remaining in the column through another column, Bypass to the TCD.
- PLOT Porous Layer Open Tubular
- only carbon dioxide in the fixed gas is first sent to the thermal conductivity detector for analysis, and the remaining gases are kept in the column for separation of the fixed gas, which will be described later, and then sent to the thermal conductivity detector for analysis.
- the analysis can be completed in time, specifically 15 minutes.
- the high-speed analysis method of the gas sample of the present invention includes f) separating the fixed gas into the fixed gas separation column and sending the same to a thermal conductivity detector (TCD).
- TCD thermal conductivity detector
- the fixed gas can be separated by the fixed gas separation column, there is no particular limitation, but it is preferable to use a molecular sieve having an internal diameter of 1 mm or less.
- the lithium-containing compound represented by the current collector and LiXMO 2 (M is at least one metal composed of metals of Groups 2 to 12 of the periodic table) is used as a cathode, and carbon (graphite or amorphous carbon) is used as a cathode.
- the third and fourth ten-port valves are controlled through the first switching valve, and the first column (length 15 m, internal diameter 0.32 mm, Agilent's PLOT Q column with 20um fixed phase coating thickness, 2nd column (15m long, 0.32mm inner diameter), Agilent's PLOT Q column with 20um fixed phase coating thickness, and 3rd column (15m long, 0.32mm inner diameter) 0.25um of Agilent's molecular sieve 5A).
- a pressure was applied to the third column by using a fourth switching valve and a pressure controller to separate the fixed gas in the third column and directly injected into the thermal conductivity detector.
- the analysis result of the organic gas analyzed through the flame ionization detector is shown in FIG. 7.
- the analysis results of the carbon dioxide and the fixed gas analyzed by the thermal conductivity detector is shown in FIG.
- the gas analysis device of the present invention the total analysis time within 15 minutes compared to the conventional analysis method, it is possible to analyze the organic gas and fixed gas at a much faster time at the same time.
- the total analysis time within 15 minutes compared to the conventional analysis method, it is possible to analyze the organic gas and fixed gas at a much faster time at the same time.
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Abstract
Description
Claims (33)
- 스위칭 밸브, 컬럼 및 불꽃이온화검출기(Flame Ionization Detector, FID)를 포함하는 유기가스 분석부; 및복수의 스위칭 밸브와, 전해액 분리용 컬럼, 이산화탄소 분리용 컬럼 및 고정가스 분리용 컬럼을 포함하는 3개 이상의 컬럼, 압력제어기(pressure controller) 및 열전도도검출기(Thermal Conductivity Dectector, TCD)를 포함하는 고정가스 분석부;를 포함하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 유기가스는 CnH2n-2 (n=2~5), CnH2n (n=2~5) 및 CnH2n+2 (n=1~5) 로 이루어지는 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 고정가스는 수소(H2), 산소(O2), 질소(N2), 일산화탄소(CO) 및 이산화탄소(CO2)로 이루어지는 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 불꽃이온화검출기(FID)는 별도의 검출기와 병렬 또는 직렬로 연결된 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 열전도도검출기(TCD)는 별도의 검출기와 병렬 또는 직렬로 연결된 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 스위칭 밸브는 6 포트 밸브(six-port valve) 내지 10 포트 밸브(ten-port valve)인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 압력제어기는 2개 이상의 컬럼 입구의 아르곤(Ar) 가스의 압력을 각각 독립적으로 조절하여 고정가스, 유기가스 및 전해액을 이동시키는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 유기가스 분석부의 컬럼은 유기가스 성분을 분리하는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 8에 있어서,상기 컬럼은 PLOT (Porous Layer Open Tubular)계 컬럼인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 유기가스 분석부의 스위칭 밸브는 가스 루프를 더 포함하는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 3개 이상의 컬럼 중 전해액 분리용 컬럼, 이산화탄소 분리용 컬럼은 PLOT (Porous Layer Open Tubular)계 컬럼인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 3개 이상의 컬럼 중 고정가스 분리용 컬럼은 몰레큘러시브(molecular sieve)인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 3개 이상의 컬럼 중 전해액 분리용 컬럼은 고정가스 및 일부 유기가스로부터 전해액을 분리한 후, 컬럼 외부로 배출시키는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 3개 이상의 컬럼 중 이산화탄소 분리용 컬럼은 이산화탄소를 나머지 고정가스로부터 분리한 후, 우회 튜브(tube)를 통하여 열전도도검출기(Thermal Conductivity Dectector, TCD)로 우회(bypass)시키는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 3개 이상의 컬럼 중 고정가스 분리용 컬럼은 고정가스를 분리한 후, 열전도도검출기(Thermal Conductivity Dectector, TCD)로 보내는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 가스시료 고속 분석장치는 유기가스 및 고정가스가 혼합된 가스 시료의 분석용인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 1에 있어서,상기 가스시료 고속 분석장치는 전지에서 발생한 가스의 분석용인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- 청구항 17에 있어서,상기 전지는 리튬 이온 전지인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료 고속 분석장치.
- a) 유기가스 및 고정가스가 혼합된 가스를 주입하는 단계;b) 상기 주입된 가스 중 일부를 유기가스 분리용 컬럼으로 보내 유기가스를 분리한 후, 분리된 유기가스를 불꽃이온화검출기(Flame Ionization Detector, FID)로 분석하는 단계;c) 상기 주입된 가스를 전해액 분리용 컬럼, 이산화탄소 분리용 컬럼 및 고정가스 분리용 컬럼으로 보내 분리하는 단계;d) 상기 전해액 분리용 컬럼 내에 머무른 전해액을 배출하는 단계;e) 상기 이산화탄소 분리용 컬럼으로 이산화 탄소를 분리하여 열전도도검출기(Thermal Conductivity Dectector, TCD)로 우회(bypass)시키는 단계; 및f) 상기 고정가스 분리용 컬럼으로 고정가스를 분리한 후, 열전도도검출기(Thermal Conductivity Dectector, TCD)로 보내는 단계;를 포함하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19의 가스시료의 고속 분석방법은, 청구항 1의 가스시료 고속 분석장치를 이용하하는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 유기가스는 CnH2n-2 (n=2~5), CnH2n (n=2~5) 및 CnH2n+2 (n=1~5) 로 이루어지는 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 고정가스는 수소(H2), 산소(O2), 질소(N2), 일산화탄소(CO) 및 이산화탄소(CO2)로 이루어지는 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 불꽃이온화검출기(FID)는 별도의 검출기와 병렬 또는 직렬로 연결된 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 열전도도검출기(TCD)는 별도의 검출기와 병렬 또는 직렬로 연결된 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 분석방법의 고정가스, 유기가스 및 전해액의 이동은 스위칭 밸브 및 압력제어기를 이용하여 제어하는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 25에 있어서,상기 스위칭 밸브는 6 포트 밸브(six-port valve) 내지 10 포트 밸브(ten-port valve)인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 25에 있어서,상기 압력제어기는 2개 이상의 컬럼 입구의 아르곤(Ar) 가스의 압력을 각각 독립적으로 조절하여 고정가스, 유기가스 및 전해액을 이동시키는 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 유기가스 분리용 컬럼은 PLOT(Porous Layer Open Tubular)계 컬럼인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 전해액 분리용 컬럼 및 이산화탄소 분리용 컬럼은 PLOT(Porous Layer Open Tubular)계 컬럼인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 고정가스 분리용 컬럼은 몰레큘러시브(molecular sieve)인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 가스시료 고속 분석장치는 유기가스 및 고정가스가 혼합된 가스 시료의 분석용인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 19에 있어서,상기 가스시료의 고속 분석방법은 전지 내부 발생 가스의 분석용인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
- 청구항 32에 있어서,상기 전지는 리튬 이온 전지인 것을 특징으로 하는 가스 크로마토그래피를 이용한 가스시료의 고속 분석방법.
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CN115038962A (zh) * | 2020-01-10 | 2022-09-09 | 英福康有限责任公司 | 通过气相色谱仪组件调整待分析气体混合物中样气浓度的方法及其色谱仪组件 |
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CN108982724A (zh) * | 2018-08-13 | 2018-12-11 | 朗析仪器(上海)有限公司 | 一种用于全氟碘乙烷微量杂质氧气分析的在线分析仪 |
WO2020152897A1 (ja) * | 2019-01-25 | 2020-07-30 | 株式会社島津製作所 | ガス分析システム及びガス分析システムのフィルタメンテナンス方法 |
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CN113376302B (zh) * | 2021-04-14 | 2024-06-18 | 必睿思(杭州)科技有限公司 | 一种呼出气气相色谱分析系统及分析方法 |
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CN115201386B (zh) * | 2022-07-08 | 2023-05-23 | 昆明摩创科技有限公司 | 气相色谱催化燃烧离子化与热丝检测系统的方法 |
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CN115038962B (zh) * | 2020-01-10 | 2023-11-10 | 英福康有限责任公司 | 通过气相色谱仪组件调整待分析气体混合物中样气浓度的方法及其色谱仪组件 |
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KR101955288B1 (ko) | 2019-03-08 |
CN108027352A (zh) | 2018-05-11 |
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