{"id":16030,"date":"2025-09-26T09:41:18","date_gmt":"2025-09-26T09:41:18","guid":{"rendered":"https:\/\/www.jet-mills.com\/?p=16030"},"modified":"2025-09-26T09:41:21","modified_gmt":"2025-09-26T09:41:21","slug":"impact-of-jet-milling-parameters-on-lithium-iron-phosphate-lifepo%e2%82%84-cathode-material","status":"publish","type":"post","link":"https:\/\/www.jet-mills.com\/ko\/impact-of-jet-milling-parameters-on-lithium-iron-phosphate-lifepo%e2%82%84-cathode-material\/","title":{"rendered":"\uc81c\ud2b8 \ubc00\ub9c1 \ub9e4\uac1c\ubcc0\uc218\uac00 \ub9ac\ud2ac \ucca0 \uc778\uc0b0\uc5fc(LiFePO\u2084) \uc591\uadf9 \uc7ac\ub8cc\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5"},"content":{"rendered":"

I. \uc5f0\uad6c \ubc30\uacbd \ubc0f \uc758\uc758<\/h2>\n\n\n\n

\ub9ac\ud2ac \uc774\uc628 \ubc30\ud130\ub9ac\ub294 \ub192\uc740 \uc5d0\ub108\uc9c0 \ubc00\ub3c4, \uace0\ucd9c\ub825, \uae34 \uc0ac\uc774\ud074 \uc218\uba85, \uadf8\ub9ac\uace0 \ud658\uacbd \uce5c\ud654\uc131\uc774\ub77c\ub294 \uc7a5\uc810\uc73c\ub85c \uc778\ud574 \uc804\ub825 \ubc30\ud130\ub9ac, \uc5d0\ub108\uc9c0 \uc800\uc7a5 \uc2dc\uc2a4\ud15c, \uadf8\ub9ac\uace0 \uac00\uc804 \uc81c\ud488\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc591\uadf9\uc7ac \uc911 \ub9ac\ud2ac\ucca0\uc778\uc0b0\uc5fc(LiFePO\u2084 \ub610\ub294 LFP)\uc740 \ub192\uc740 \uc548\uc804\uc131, \ube44\uad50\uc801 \uc800\ub834\ud55c \ube44\uc6a9, \uadf8\ub9ac\uace0 \uc6b0\uc218\ud55c \uad6c\uc870\uc801 \uc548\uc815\uc131\uc73c\ub85c \uc778\ud574 \uc8fc\ub958 \uc591\uadf9\uc7ac\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 LFP\uc758 \uac00\uacf5 \uc131\ub2a5\uc740 \uc804\uadf9\ud310 \ud488\uc9c8\uacfc \ubc30\ud130\ub9ac \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \ud2b9\ud788 \ubd84\uc1c4 \uacf5\uc815\uc740 \uc7ac\ub8cc\uc758 \uc785\uc790 \ud06c\uae30\uc640 \ubd84\ud3ec\ub97c \uc81c\uc5b4\ud558\ub294 \ud575\uc2ec \ub2e8\uacc4\uc785\ub2c8\ub2e4. \ubcf8 \ub17c\ubb38\uc740 \uacf5\uae09 \uc18d\ub3c4\uc640 \ubd84\uc1c4 \uc555\ub825\uc774 LFP \uc7ac\ub8cc\uc758 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec, \uc2ac\ub7ec\ub9ac \ud2b9\uc131, \uc804\uadf9\ud310 \ud488\uc9c8, \uadf8\ub9ac\uace0 \uc804\uae30\ud654\ud559\uc801 \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uccb4\uacc4\uc801\uc73c\ub85c \uc5f0\uad6c\ud558\uc5ec \uc0b0\uc5c5 \uc0dd\uc0b0 \uacf5\uc815 \ucd5c\uc801\ud654\uc758 \uae30\ubc18\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"
\ub9ac\ud2ac \ucca0 \uc778\uc0b0\uc5fc<\/figcaption><\/figure>\n\n\n\n

II. \uc2e4\ud5d8 \ubc29\ubc95<\/h2>\n\n\n\n

LFP \uc804\uad6c\uccb4\ub294 \uc778\uc0b0\ucca0\uc744 \ucca0\uc6d0\uc73c\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc5f4\ud0c4\uc18c\ud658\uc6d0\ubc95\uc744 \ud1b5\ud574 \uc81c\uc870\ub418\uc5c8\ub2e4. LFP-0\uc73c\ub85c \uba85\uba85\ub41c \ucd08\uae30 \ubb3c\uc9c8\uc740 \ubd84\ubb34 \uac74\uc870 \ubc0f \uace0\uc628 \uc18c\uacb0 \ud6c4 \uc5bb\uc5b4\uc84c\ub2e4. QLM-2 \uc720\ud615 \uc81c\ud2b8 \ubc00<\/a> \ub2e4\uc591\ud55c \uacf5\uae09 \uc18d\ub3c4(0.50 kg\/h, 0.75 kg\/h, 1.00 kg\/h, 1.25 kg\/h)\uc640 \ubd84\uc1c4 \uc555\ub825(15 m\u00b3\/h, 18 m\u00b3\/h, 21 m\u00b3\/h, 24 m\u00b3\/h)\uc5d0\uc11c LFP-0\uc744 \ucc98\ub9ac\ud558\uc5ec \uc5ec\ub7ec \uc0d8\ud50c \uadf8\ub8f9\uc744 \uc0dd\uc131\ud588\uc2b5\ub2c8\ub2e4. \uc7ac\ub8cc\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc740 \uc785\ub3c4 \ubd84\uc11d\uae30, \uc8fc\uc0ac \uc804\uc790 \ud604\ubbf8\uacbd(SEM), \ubd84\ub9d0 \uc800\ud56d \uce21\uc815\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubd84\uc11d\ud588\uc2b5\ub2c8\ub2e4. \uc774\ud6c4, \uc0d8\ud50c\ub4e4\uc744 \uc804\uadf9 \uc2dc\ud2b8\uc640 6 Ah \ud30c\uc6b0\uce58 \uc140\ub85c \uc81c\uc791\ud558\uc5ec \uc2ac\ub7ec\ub9ac \ubbf8\ub9bd\ub3c4, \uc810\ub3c4, \uc804\uadf9 \uc2dc\ud2b8 \uc555\ucd95 \ubc00\ub3c4, \uc140 \uc6a9\ub7c9 \ubc0f \uc784\ud53c\ub358\uc2a4\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

III. \ucd08\uae30 \uc7ac\ub8cc \uc0ac\uc804 \ubc00\ub9c1 \ubd84\uc11d<\/h2>\n\n\n\n

\ubd84\uc1c4\ub418\uc9c0 \uc54a\uc740 LFP-0 \uc7ac\ub8cc\ub294 \ub18d\ucd95\ub41c \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec\ub97c \uac16\ub294 \uad6c\ud615 \uc785\uc790\ub85c \uad6c\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4. D\u2085\u2080\ub294 16.3\u03bcm\uc774\uace0, Dmax\ub294 30\u03bcm\ub97c \ucd08\uacfc\ud588\uc2b5\ub2c8\ub2e4. \ud574\ub2f9 \uc2ac\ub7ec\ub9ac \ubbf8\ub9bd\ub3c4\ub294 37~39\u03bcm\uc5d0 \ub2ec\ud588\uc2b5\ub2c8\ub2e4.
\u03bcm\ub85c, \uc0dd\uc0b0 \ub77c\uc778\uc758 \ud5c8\uc6a9 \uae30\uc900(\u226435\u03bcm)\uc744 \ucd08\uacfc\ud588\uc2b5\ub2c8\ub2e4. \uc804\uadf9 \uc2dc\ud2b8 \uc555\ucd95 \ubc00\ub3c4\ub294 2.17 g\/cm\u00b3\uc5d0 \ubd88\uacfc\ud558\uc5ec \uc804\ub825 \ubc0f \uc5d0\ub108\uc9c0 \uc800\uc7a5 \ubc30\ud130\ub9ac\uc758 \uc694\uad6c \uc870\uac74(\u22652.40 g\/cm\u00b3)\ubcf4\ub2e4 \ub0ae\uc558\uc2b5\ub2c8\ub2e4. 0.1C \ubc29\uc804 \ube44\uc6a9\ub7c9\uc740 160.8 mAh\/g\uc5d0 \ub3c4\ub2ec\ud588\uc9c0\ub9cc, \uac00\uacf5 \uc131\ub2a5\uc774 \uc88b\uc9c0 \uc54a\uc544 \ubc00\ub9c1 \uacf5\uc815\uc758 \ud544\uc694\uc131\uc744 \uc2dc\uc0ac\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

IV. LFP \uc131\ub2a5\uc5d0 \ub300\ud55c \uc774\uc1a1 \uc18d\ub3c4\uc758 \uc601\ud5a5<\/h2>\n\n\n\n

\ubd84\uc1c4 \uc555\ub825\uc744 21m\u00b3\/h\ub85c \uc77c\uc815\ud558\uac8c \uc720\uc9c0\ud558\uba74\uc11c \ub2e4\uc591\ud55c \uacf5\uae09 \uc18d\ub3c4\uc758 \uc601\ud5a5\uc744 \uc5f0\uad6c\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

1. \uc785\uc790 \ud06c\uae30 \ubc0f \ud615\ud0dc:<\/strong> \ub0ae\uc740 \uacf5\uae09 \uc18d\ub3c4\ub294 \ubd84\uc1c4 \ud6a8\uc728\uc744 \ud5a5\uc0c1\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. LFP-I50(0.50 kg\/h) \uc785\uc790\ub294 Dmax < 10 \u03bcm\ub85c \uade0\uc77c\ud588\uace0, LFP-I75(0.75 kg\/h)\ub294 Dmax < 20 \u03bcm\ub85c \uc57d\uac04\uc758 \uc751\uc9d1\uc744 \ubcf4\uc600\uc2b5\ub2c8\ub2e4. \ubc18\uba74, LFP-I100\uacfc LFP-I125\ub294 \uacf5\uae09 \uc18d\ub3c4\uac00 \ub108\ubb34 \ube68\ub77c\uc11c \ucd08\uae30 \uc7ac\ub8cc\uc640 \uc720\uc0ac\ud558\uac8c Dmax\uac00 50 \u03bcm\uc5d0 \uac00\uae4c\uc6b4 \ubd88\ucda9\ubd84\ud55c \uc785\uc790\uac00 \uc0dd\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

2. \uc2ac\ub7ec\ub9ac \ubc0f \uc804\uadf9 \uc2dc\ud2b8 \uc131\ub2a5:<\/strong> \uacf5\uae09 \uc18d\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc2ac\ub7ec\ub9ac \ubbf8\ub9bd\ub3c4\ub294 \ud06c\uac8c \uc99d\uac00(21\u03bcm\uc5d0\uc11c 42\u03bcm\ub85c)\ud558\uace0, \uace0\ud615\ubd84 \ud568\ub7c9\uc740 \uc57d\uac04 \uc99d\uac00\ud588\uc73c\uba70, \uc810\ub3c4\ub294 \uac70\uc758 \ubcc0\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \uc804\uadf9\ud310 \ub2e4\uc9d0 \ubc00\ub3c4\ub294 2.46g\/cm\u00b3\uc5d0\uc11c 2.40g\/cm\u00b3\ub85c \uac10\uc18c\ud588\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uacf5\uae09 \uc18d\ub3c4(\uc608: 1.25kg\/h)\uc5d0\uc11c\ub294 \uc804\uadf9\ud310\uc5d0 \uc751\uc9d1\ubb3c, \uae30\ud3ec, \ubc18\uc810\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc678\uad00 \uade0\uc77c\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\ucce4\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

3. \uc804\uae30\ud654\ud559\uc801 \uc131\ub2a5:<\/strong> \ubaa8\ub4e0 \uc2dc\ub8cc\uc758 0.1C \ube44\uc6a9\ub7c9\uc740 158 mAh\/g\ub97c \ucd08\uacfc\ud588\uc73c\uba70, \ubbf8\uc138\ud55c \ucc28\uc774\ub9cc \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc804\uae30\ud654\ud559\uc801 \uc784\ud53c\ub358\uc2a4(Rct)\ub294 \uacf5\uae09 \uc18d\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uacf5\uae09 \uc18d\ub3c4\uac00 \uc9c0\ub098\uce58\uac8c \ub192\uc744 \uacbd\uc6b0 \ud0c4\uc18c \ucf54\ud305\uce35\uc774 \uc190\uc0c1\ub418\uc5b4 \uacc4\uba74 \uc800\ud56d\uc774 \uc99d\uac00\ud568\uc744 \uc2dc\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V. LFP \uc131\ub2a5\uc5d0 \ub300\ud55c \ubd84\uc1c4 \uc555\ub825\uc758 \uc601\ud5a5<\/h2>\n\n\n\n

0.75kg\/h\uc758 \uc77c\uc815\ud55c \uacf5\uae09 \uc18d\ub3c4\uc5d0\uc11c \ub2e4\uc591\ud55c \ubd84\uc1c4 \uc555\ub825\uc758 \uc601\ud5a5\uc744 \uc5f0\uad6c\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

1. \uc785\uc790 \ud06c\uae30 \ubc0f \ud615\ud0dc: 15m\u00b3\/h \uc555\ub825\uc5d0\uc11c \uc785\uc790 \ud30c\uad34\ub294 \ubd88\ucda9\ubd84\ud588\uc73c\uba70 Dmax\ub294 10\u03bcm \uc774\uc0c1\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc555\ub825\uc774 21m\u00b3\/h \uc774\uc0c1\uc73c\ub85c \uc99d\uac00\ud558\uba74 Dmax\ub294 20\u03bcm \ubbf8\ub9cc\uc73c\ub85c \uac10\uc18c\ud588\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 LFP-V24(24m\u00b3\/h) \uc785\uc790\ub294 2\u03bcm\ubcf4\ub2e4 \uc791\uc558\uace0 \ud06c\uae30 \ubd84\ud3ec\uac00 \ub18d\ucd95\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

2. \uac00\uacf5 \uc131\ub2a5: \ub0ae\uc740 \uc555\ub825(15m\u00b3\/h)\uc5d0\uc11c \uc2ac\ub7ec\ub9ac \ubbf8\uc138\ub3c4\ub294 42\u03bcm\uc5d0 \ub3c4\ub2ec\ud588\uace0 \uc804\uadf9 \uc2dc\ud2b8\uc5d0 \ub69c\ub837\ud55c \uc785\uc790 \ub3cc\ucd9c\ubd80\uac00 \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc555\ub825\uc774 21m\u00b3\/h\ub85c \uc99d\uac00\ud588\uc744 \ub54c \ubbf8\uc138\ub3c4\ub294 33\u03bcm\ub85c \uac10\uc18c\ud588\uace0 \uc804\uadf9 \uc2dc\ud2b8 \uc678\uad00\uc774 \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 24m\u00b3\/h\uc5d0\uc11c \uc2dc\ud2b8\ub294 \ub9e4\ub044\ub7fd\uace0 \uacb0\ud568\uc774 \uc5c6\uc5c8\uc73c\uba70 \uc555\ucd95 \ubc00\ub3c4\ub294 2.46g\/cm\u00b3\ub85c \uc0c1\uc2b9\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

3. \uc804\uae30\ud654\ud559\uc801 \ud2b9\uc131: \ubaa8\ub4e0 \uc0d8\ud50c\uc740 159 mAh\/g \uc774\uc0c1\uc758 \uc6a9\ub7c9\uc744 \ub2ec\uc131\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubd84\uc1c4 \uc555\ub825\uc744 \ub192\uc774\uba74 \ud0c4\uc18c\uce35 \uc190\uc0c1\uc774 \uc2ec\ud574\uc838 \ubd84\ub9d0 \uc800\ud56d\ub960\uacfc \ubc30\ud130\ub9ac Rct\uac00 \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

VI. \uc885\ud569\uc801 \ucd5c\uc801\ud654 \ubc0f \uacb0\ub860<\/h2>\n\n\n\n

\uc785\uc790 \ud06c\uae30 \uc81c\uc5b4, \uac00\uacf5 \uc131\ub2a5, \uadf8\ub9ac\uace0 \uc804\uae30\ud654\ud559\uc801 \uc131\ub2a5\uc758 \uade0\ud615\uc744 \ud1b5\ud574 \ucd5c\uc801\uc758 \uacf5\uc815 \ub9e4\uac1c\ubcc0\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uacb0\uc815\ud588\uc2b5\ub2c8\ub2e4. \uacf5\uae09 \uc18d\ub3c4 0.75 kg\/h, \ubd84\uc1c4 \uc555\ub825 21 m\u00b3\/h. \uc774\ub7ec\ud55c \uc870\uac74\uc5d0\uc11c:<\/p>\n\n\n\n

Dmax\ub294 20\u03bcm \uc774\ub0b4\ub85c \uc81c\uc5b4\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2ac\ub7ec\ub9ac \ubbf8\ub9bd\ub3c4\ub294 \u226435 \u03bcm\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc804\uadf9 \uc2dc\ud2b8 \uc555\ucd95 \ubc00\ub3c4\ub294 \u22652.44 g\/cm\u00b3\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

0.1C \ubc29\uc804 \ud2b9\uc815 \uc6a9\ub7c9\uc740 \u2265159 mAh\/g\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc804\uadf9 \uc2dc\ud2b8 \uc678\uad00 \uacb0\ud568\uacfc \uc9c0\ub098\uce58\uac8c \ub192\uc740 \uc784\ud53c\ub358\uc2a4\ub97c \ud53c\ud558\ub294 \ub3d9\uc2dc\uc5d0.<\/p>\n\n\n\n

\"\uc81c\ud2b8\ubc00\"
\uc81c\ud2b8\ubc00<\/figcaption><\/figure>\n\n\n\n

VII. \uc2e4\uc81c \uc801\uc6a9 \uc81c\uc548<\/h2>\n\n\n\n

LFP \uc81c\uc870\uc5c5\uccb4\ub294 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec, SEM \ud615\ud0dc \ubc0f \ubc30\ud130\ub9ac \uc784\ud53c\ub358\uc2a4 \uc2a4\ud399\ud2b8\ub7fc\uc744 \uae30\ubc18\uc73c\ub85c \ubc00\ub9c1 \uacf5\uc815\uc744 \ub3d9\uc801\uc73c\ub85c \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uacfc\ub3c4\ud55c \ubc00\ub9c1\uc73c\ub85c \uc778\ud55c \ud0c4\uc18c \ucf54\ud305\uce35 \uc190\uc0c1\uc774\ub098 \ubd88\ucda9\ubd84\ud55c \ubc00\ub9c1\uc73c\ub85c \uc778\ud55c \uac00\uacf5 \uc131\ub2a5 \uc800\ud558\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0dd\uc0b0 \ud6a8\uc728\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uc81c\ud488 \uac00\uacf5\uc131\uacfc \uc804\uae30\ud654\ud559\uc801 \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\ub3c4\ub85d \uc7a5\ube44 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud569\ub9ac\uc801\uc73c\ub85c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

VIII. \uc5f0\uad6c \uac00\uce58<\/h2>\n\n\n\n

\ubcf8 \uc5f0\uad6c\ub294 LFP \uc18c\uc7ac\uc758 \uc81c\ud2b8 \ubc00\ub9c1 \uacf5\uc815\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc774\uace0 \uc2e4\ud604 \uac00\ub2a5\ud55c \ub9e4\uac1c\ubcc0\uc218 \ubc94\uc704\ub97c \uc81c\uc2dc\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec\uc640 \uc804\ubc18\uc801\uc778 \ubc30\ud130\ub9ac \uc131\ub2a5 \uac04\uc758 \uad00\uacc4\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \uc2ec\ud654\uc2dc\ud0b5\ub2c8\ub2e4. LFP \ubc30\ud130\ub9ac\uc758 \uc0b0\uc5c5\uc801 \uc751\uc6a9\uc744 \ubc1c\uc804\uc2dc\ud0a4\ub294 \ub370 \uc788\uc5b4 \uc911\uc694\ud55c \uc9c0\uce68\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5d0\ud53d \ud30c\uc6b0\ub354<\/h2>\n\n\n\n
\n