JP6874937B2 - 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 description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title description 25
- 229910052760 oxygen Inorganic materials 0.000 title description 25
- 239000001301 oxygen Substances 0.000 title description 25
- 239000007789 gas Substances 0.000 claims description 111
- 238000005070 sampling Methods 0.000 claims description 57
- 239000012159 carrier gas Substances 0.000 claims description 33
- 238000004445 quantitative analysis Methods 0.000 claims description 13
- 239000007774 positive electrode material Substances 0.000 claims description 5
- 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
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 description 18
- 239000000523 sample Substances 0.000 description 17
- 238000011088 calibration curve Methods 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 6
- 238000004949 mass spectrometry Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process 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
- 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
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 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
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000004451 qualitative analysis Methods 0.000 description 2
- 239000010959 steel Substances 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
- 241001228709 Suruga Species 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
- 238000011156 evaluation Methods 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
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000045 pyrolysis gas chromatography Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000004611 spectroscopical analysis 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
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
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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 (6)
- 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、第1ポート、第2ポート、第3ポート、第4ポート、第5ポート及び第6ポートを含み、
前記スイッチング弁は、前記第1ポートと前記第2ポートとが連結部にて接続され、前記第3ポートと前記第4ポートとが連結部にて接続され、前記第5ポートと前記第6ポートとが連結部にて接続される第1の状態、および、前記第2ポートと前記第3ポートとが連結部にて接続され、前記第4ポートと前記第5ポートとが連結部にて接続され、前記第6ポートと前記第1ポートとが連結部にて接続される第2の状態のいずれかの状態でスイッチングされるものであり、
前記第1ポートは、キャリアガス供給ラインと接続され、
前記第2ポートおよび前記第5ポートは、前記サンプリングループと接続され、
前記第3ポートは、前記標準ガスを供給するラインと接続され、
前記第4ポートは、前記真空ポンプと接続され、
前記第6ポートは、前記熱分解器にキャリアガスを供給するラインと接続され、
前記第3ポートに接続される前記標準ガスを供給するラインには、第1の弁が設けられ、
前記第4ポートと前記真空ポンプとを接続する流路には、第2の弁が設けられ、
前記サンプリングループは、前記第1の弁が閉鎖され、前記第2の弁が開放され、前記スイッチング弁が前記第2の状態にスイッチングされた状態において、真空が形成され、
前記標準ガスは、前記第1の弁が開放され、前記第2の弁が閉鎖され、前記スイッチング弁が前記第2の状態にスイッチングされた状態のときに真空が形成された前記サンプリングループに供給される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または2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3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3または4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5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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KR1020170096955A KR102175816B1 (ko) | 2017-07-31 | 2017-07-31 | 전지재료에서 발생되는 산소의 정량분석 장치 |
KR10-2017-0096955 | 2017-07-31 | ||
PCT/KR2018/001066 WO2019027112A1 (ko) | 2017-07-31 | 2018-01-24 | 전지재료에서 발생되는 산소의 정량분석 장치 |
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JP (1) | JP6874937B2 (ja) |
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CN105300785B (zh) * | 2015-10-23 | 2018-12-25 | 北京捷思达仪分析仪器研发中心 | 热解吸仪及气相色谱仪样品解吸方法 |
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