US 11,906,492 B2
Apparatus for quantitatively analyzing oxygen generated in battery material
Sungwon Hong, Daejeon (KR); Kyungmee Lee, Daejeon (KR); Nak Hee Choi, Daejeon (KR); Jeong Ae Ahn, Daejeon (KR); and Jin Il Kim, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., (KR)
Appl. No. 16/479,049
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Jan. 24, 2018, PCT No. PCT/KR2018/001066
§ 371(c)(1), (2) Date Jul. 18, 2019,
PCT Pub. No. WO2019/027112, PCT Pub. Date Feb. 7, 2019.
Claims priority of application No. 10-2017-0096955 (KR), filed on Jul. 31, 2017.
Prior Publication US 2019/0369072 A1, Dec. 5, 2019
Int. Cl. G01N 31/12 (2006.01); G01N 1/22 (2006.01); G01N 33/00 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01)
CPC G01N 31/12 (2013.01) [G01N 1/22 (2013.01); G01N 33/0013 (2013.01); H01M 10/0525 (2013.01); H01M 10/42 (2013.01); H01M 10/48 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An apparatus for quantitative analysis of a gas sample, comprising:
a pyrolyzer;
a line for supplying a carrier gas into the pyrolyzer;
a sampling loop for collecting a standard gas;
a switching valve for injecting the standard gas collected in the sampling loop together with the carrier gas into the pyrolyzer; and
a vacuum pump configured to vacuum depressurize the sampling loop,
wherein the sampling loop is directly coupled to the switching valve, and the switching valve is directly coupled to the pyrolyzer through the line for supplying the carrier gas, and
wherein the sampling loop and the switching valve are configured to inject the standard gas into the pyrolyzer at a constant amount.