JP2020514699A - 電池材料から発生する酸素の定量分析装置 - Google Patents
電池材料から発生する酸素の定量分析装置 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract description 26
- 229910052760 oxygen Inorganic materials 0.000 title abstract description 26
- 239000001301 oxygen Substances 0.000 title abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 115
- 238000005070 sampling Methods 0.000 claims abstract description 59
- 238000004445 quantitative analysis Methods 0.000 claims abstract description 34
- 239000007774 positive electrode material Substances 0.000 claims abstract description 6
- 239000012159 carrier gas Substances 0.000 claims description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 claims description 3
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 239000007787 solid Substances 0.000 abstract description 5
- 238000004451 qualitative analysis Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 16
- 238000011088 calibration curve Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 6
- 238000004949 mass spectrometry Methods 0.000 description 6
- 238000004817 gas chromatography Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000001793 charged compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000007853 structural degeneration Effects 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
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Abstract
Description
従来のEGA技術は、EGA−MS装置(図1参照)を用いて固体試料から発生するガスを定性的に分析して、基準試料(Reference)に比べて、発生するガスの含量を相対的に比較することであった。ところで、この方法としては、電池材料から発生するガスを定量分析することができなかった。
本実施例では、本発明の一実施態様による定量分析装置(図2参照)を用いて電池材料から発生する酸素の含量を下記のように分析した。
Claims (8)
- 熱分解器と、
前記熱分解器にキャリアガスを供給するラインと、
標準ガスを捕集するためのサンプリングループと、
前記サンプリングループに捕集された標準ガスを前記キャリアガスと共に前記熱分解器に注入するためのスイッチング弁と、
前記サンプリングループを真空減圧するための真空ポンプと、を含み、
前記サンプリングループは、前記スイッチング弁に結合され、前記スイッチング弁は、前記熱分解器にキャリアガスを供給するラインを通じて前記熱分解器に結合されたガス試料の定量分析装置。 - 真空減圧された前記サンプリングループ内に標準ガスが捕集され、前記スイッチング弁がスイッチングされることによって、前記キャリアガスが、前記サンプリングループを通じて流れながら、前記サンプリングループに捕集された前記標準ガスと共に前記熱分解器にキャリアガスを供給するラインを通じて前記熱分解器に注入される請求項1に記載のガス試料の定量分析装置。
- 前記真空ポンプによって、前記サンプリングループが真空減圧された以後に、前記スイッチング弁がスイッチングされることによって、キャリアガスが、前記真空減圧されたサンプリングループを経由して前記熱分解器に注入される一方、熱分解器での試料で発生するガスの量が検出される請求項1または2に記載のガス試料の定量分析装置。
- 前記熱分解器が、EGAである請求項1から3のいずれか一項に記載のガス試料の定量分析装置。
- 前記ガス試料が、電池材料で熱分解器によって熱を加える時に発生するガスである請求項1から4のいずれか一項に記載のガス試料の定量分析装置。
- 前記電池材料が、リチウム遷移金属酸化物(LiMeO2)正極材料である請求項5に記載のガス試料の定量分析装置。
- 前記電池材料で熱分解器によって熱を加える時に発生するガスが、酸素、二酸化炭素、一酸化炭素及び水蒸気から選択される1つ以上である請求項5または6に記載のガス試料の定量分析装置。
- 前記キャリアガスが、He、N2またはArである請求項1から7のいずれか一項に記載のガス試料の定量分析装置。
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KR10-2017-0096955 | 2017-07-31 | ||
KR1020170096955A KR102175816B1 (ko) | 2017-07-31 | 2017-07-31 | 전지재료에서 발생되는 산소의 정량분석 장치 |
PCT/KR2018/001066 WO2019027112A1 (ko) | 2017-07-31 | 2018-01-24 | 전지재료에서 발생되는 산소의 정량분석 장치 |
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JP (1) | JP6874937B2 (ja) |
KR (1) | KR102175816B1 (ja) |
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