{"id":16579,"date":"2026-03-02T07:44:27","date_gmt":"2026-03-02T07:44:27","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=16579"},"modified":"2026-03-02T07:57:36","modified_gmt":"2026-03-02T07:57:36","slug":"what-is-sodium-iron-phosphate-nfpp-crystal-structures-electrochemical-properties-and-the-grinding-methods-that-matter","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/what-is-sodium-iron-phosphate-nfpp-crystal-structures-electrochemical-properties-and-the-grinding-methods-that-matter\/","title":{"rendered":"Natri s\u1eaft photphat (NFPP) l\u00e0 g\u00ec? C\u1ea5u tr\u00fac tinh th\u1ec3, t\u00ednh ch\u1ea5t \u0111i\u1ec7n h\u00f3a v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n quan tr\u1ecdng."},"content":{"rendered":"

Natri s\u1eaft photphat l\u00e0 g\u00ec v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u1ee7a n\u00f3 nh\u01b0 th\u1ebf n\u00e0o? Pin ion natri \u0111ang chuy\u1ec3n t\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m nghi\u00ean c\u1ee9u sang s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u2013 v\u00e0 v\u1eadt li\u1ec7u cat\u1ed1t l\u00e0 chi\u1ebfn tr\u01b0\u1eddng then ch\u1ed1t. Trong s\u1ed1 c\u00e1c \u1ee9ng c\u1eed vi\u00ean h\u00e0ng \u0111\u1ea7u, Natri s\u1eaft photphat h\u1ed7n h\u1ee3p, c\u00f4ng th\u1ee9c Na\u2084Fe\u2083(PO\u2084)\u2082P\u2082O\u2087, vi\u1ebft t\u1eaft l\u00e0 NFPP, \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u cat\u1ed1t polyanionic c\u00f3 tri\u1ec3n v\u1ecdng th\u01b0\u01a1ng m\u1ea1i nh\u1ea5t.<\/p>\n\n\n\n

N\u00f3 s\u1edf h\u1eefu c\u1ea5u tr\u00fac khung ba chi\u1ec1u, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cao, dung l\u01b0\u1ee3ng ri\u00eang l\u00fd thuy\u1ebft kho\u1ea3ng 129 mAh\/g, v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1eaft v\u00e0 ph\u1ed1t ph\u00e1t, hai trong s\u1ed1 nh\u1eefng nguy\u00ean t\u1ed1 r\u1ebb nh\u1ea5t v\u00e0 d\u1ed3i d\u00e0o nh\u1ea5t tr\u00ean Tr\u00e1i \u0111\u1ea5t. \u0110\u1ed1i v\u1edbi m\u1ed9t c\u00f4ng ngh\u1ec7 pin c\u1ea1nh tranh v\u1ec1 gi\u00e1 th\u00e0nh, \u0111i\u1ec1u \u0111\u00f3 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

Nh\u01b0ng ch\u1ec9 ri\u00eang nguy\u00ean li\u1ec7u NFPP th\u00f4 th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7. K\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 tinh khi\u1ebft v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch NFPP l\u00e0 g\u00ec, c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 t\u1ea1i sao trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

Natri s\u1eaft photphat (NFPP) l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Natri s\u1eaft photphat (NaFePO\u2084) l\u00e0 m\u1ed9t h\u1ecd c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 chung m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m: c\u1ea5u tr\u00fac khung g\u1ed3m natri, s\u1eaft, ph\u1ed1t pho v\u00e0 oxy \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo ki\u1ec3u cho ph\u00e9p c\u00e1c ion natri di chuy\u1ec3n ra v\u00e0o trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3.<\/p>\n\n\n\n

T\u00ean g\u1ecdi n\u00e0y bao g\u1ed3m m\u1ed9t s\u1ed1 c\u1ea5u tr\u00fac tinh th\u1ec3 ri\u00eang bi\u1ec7t, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t h\u1ee3p ch\u1ea5t duy nh\u1ea5t. M\u1ed7i c\u1ea5u tr\u00fac c\u00f3 \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n h\u00f3a kh\u00e1c nhau, v\u00e0 vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p v\u00e0 x\u1eed l\u00fd ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

B\u1ed1n c\u1ea5u tr\u00fac tinh th\u1ec3 ch\u00ednh<\/strong><\/h3>\n\n\n\n

1. Olivine NaFePO\u2084<\/strong><\/h4>\n\n\n\n

C\u1ea5u tr\u00fac natri s\u1eaft photphat \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u nhi\u1ec1u nh\u1ea5t. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 tr\u1ef1c giao ho\u1eb7c tam t\u00e0 v\u1edbi c\u00e1c t\u1ee9 di\u1ec7n PO\u2084 v\u00e0 b\u00e1t di\u1ec7n FeO\u2086 t\u1ea1o th\u00e0nh khung ba chi\u1ec1u. C\u00e1c ion natri khu\u1ebfch t\u00e1n d\u1ecdc theo c\u00e1c k\u00eanh m\u1ed9t chi\u1ec1u trong khung n\u00e0y.<\/p>\n\n\n\n

C\u1ea5u tr\u00fac n\u00e0y c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn lithi s\u1eaft photphat (LiFePO\u2084) \u2013 v\u1eadt li\u1ec7u cat\u1ed1t pin lithi \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 \u2013 v\u1edbi natri thay th\u1ebf cho lithi. S\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 c\u1ea5u tr\u00fac n\u00e0y mang l\u1ea1i cho olivin NaFePO\u2084 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 t\u00ednh an to\u00e0n v\u1ed1n c\u00f3, ch\u00ednh nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u00f3 \u0111\u00e3 l\u00e0m cho LFP tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u1ea5p h\u01a1n, \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf hi\u1ec7u su\u1ea5t t\u1ed1c \u0111\u1ed9 tr\u1eeb khi \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c th\u00f4ng qua l\u1edbp ph\u1ee7 carbon v\u00e0 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n

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2. Photphat h\u1ed7n h\u1ee3p Na\u2084Fe\u2083(PO\u2084)\u2082P\u2082O\u2087 (NFPP)<\/strong><\/h4>\n\n\n\n

\u0110\u00e2y l\u00e0 h\u1ee3p ch\u1ea5t thu h\u00fat nhi\u1ec1u s\u1ef1 ch\u00fa \u00fd nh\u1ea5t v\u1ec1 m\u1eb7t th\u01b0\u01a1ng m\u1ea1i v\u00e0 l\u00e0 tr\u1ecdng t\u00e2m ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y. NFPP ch\u1ee9a c\u1ea3 c\u00e1c \u0111\u01a1n v\u1ecb phosphat (PO\u2084) v\u00e0 pyrophosphat (P\u2082O\u2087) trong c\u00f9ng m\u1ed9t c\u1ea5u tr\u00fac, t\u1ea1o n\u00ean s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o c\u00e1c \u0111\u1eb7c t\u00ednh: m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao, tu\u1ed5i th\u1ecd chu k\u1ef3 d\u00e0i v\u00e0 chi ph\u00ed v\u1eadt li\u1ec7u th\u1ea5p.<\/p>\n\n\n\n

C\u00e1c \u0111\u01b0\u1eddng d\u1eabn khu\u1ebfch t\u00e1n ion natri ba chi\u1ec1u c\u1ee7a n\u00f3 \u2013 kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c k\u00eanh m\u1ed9t chi\u1ec1u trong olivine \u2013 mang l\u1ea1i cho n\u00f3 kh\u1ea3 n\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n m\u1ed9t c\u00e1ch v\u1ed1n c\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m cho NFPP tr\u1edf th\u00e0nh m\u1ed9t \u1ee9ng c\u1eed vi\u00ean s\u00e1ng gi\u00e1 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u1ea3 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao v\u00e0 kh\u1ea3 n\u0103ng s\u1ea1c v\u00e0 x\u1ea3 nhanh.<\/p>\n\n\n\n

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3. Fluorophosphate Na\u2082FePO\u2084F<\/strong><\/h4>\n\n\n\n

Natri s\u1eaft photphat fluorophosphate \u0111\u01b0a c\u00e1c ion flo v\u00e0o c\u1ea5u tr\u00fac, gi\u00fap t\u0103ng \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng v\u00e0 gi\u1ea3m s\u1ef1 thay \u0111\u1ed5i th\u1ec3 t\u00edch trong qu\u00e1 tr\u00ecnh ch\u00e8n v\u00e0 t\u00e1ch natri. \u0110\u1ed9 bi\u1ebfn d\u1ea1ng th\u1ec3 t\u00edch th\u1ea5p h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh chu k\u1ef3 d\u00e0i h\u1ea1n t\u1ed1t h\u01a1n. Na\u2082FePO\u2084F ho\u1ea1t \u0111\u1ed9ng trong c\u1ea5u tr\u00fac tr\u1ef1c giao v\u00e0 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c quan t\u00e2m trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 tu\u1ed5i th\u1ecd chu k\u1ef3 l\u00e0 y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf thi\u1ebft k\u1ebf ch\u00ednh.<\/p>\n\n\n\n

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4. FePO\u2084 v\u00f4 \u0111\u1ecbnh h\u00ecnh<\/strong><\/h4>\n\n\n\n

\u1ede d\u1ea1ng phi tinh th\u1ec3, s\u1eaft photphat tu\u00e2n theo m\u1ed9t con \u0111\u01b0\u1eddng \u0111i\u1ec7n h\u00f3a kh\u00e1c. Trong qu\u00e1 tr\u00ecnh natri h\u00f3a, FePO\u2084 v\u00f4 \u0111\u1ecbnh h\u00ecnh chuy\u1ec3n h\u00f3a m\u1ed9t ph\u1ea7n th\u00e0nh natri s\u1eaft photphat v\u00f4 \u0111\u1ecbnh h\u00ecnh v\u00e0 m\u1ed9t ph\u1ea7n th\u00e0nh NaFePO\u2084 tinh th\u1ec3. C\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i n\u00e0y mang l\u1ea1i c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ec1 dung l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c c\u1ea5u tr\u00fac tinh th\u1ec3 n\u00eau tr\u00ean, v\u00e0 \u0111ang l\u00e0 ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u t\u00edch c\u1ef1c cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 v\u1eadt li\u1ec7u tinh th\u1ec3 th\u00f4ng th\u01b0\u1eddng kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
K\u1ebft c\u1ea5u<\/strong><\/td>\u0110i\u1ec7n \u00e1p so v\u1edbi Na+\/Na<\/strong><\/td>N\u0103ng l\u1ef1c l\u00fd thuy\u1ebft<\/strong><\/td>L\u1ee3i th\u1ebf ch\u00ednh<\/strong><\/td><\/tr>
Olivine NaFePO\u2084<\/td>~2,9 V<\/td>154 mAh\/g<\/td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, an to\u00e0n<\/td><\/tr>
NFPP Na\u2084Fe\u2083(PO\u2084)\u2082P\u2082O\u2087<\/td>~3,2 V<\/td>129 mAh\/g<\/td>Khu\u1ebfch t\u00e1n 3D, kh\u1ea3 n\u0103ng t\u1ed1c \u0111\u1ed9<\/td><\/tr>
Fluorophosphate Na\u2082FePO\u2084F<\/td>~3,5 V<\/td>~124 mAh\/g<\/td>\u0110\u1ed9 bi\u1ebfn d\u1ea1ng th\u1ec3 t\u00edch th\u1ea5p, tu\u1ed5i th\u1ecd chu k\u1ef3 d\u00e0i<\/td><\/tr>
FePO\u2084 v\u00f4 \u0111\u1ecbnh h\u00ecnh<\/td>T\u00f9y thu\u1ed9c v\u00e0o t\u1eebng tr\u01b0\u1eddng h\u1ee3p<\/td>T\u00f9y thu\u1ed9c v\u00e0o t\u1eebng tr\u01b0\u1eddng h\u1ee3p<\/td>C\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i, giai \u0111o\u1ea1n nghi\u00ean c\u1ee9u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

V\u00ec sao quy tr\u00ecnh x\u1eed l\u00fd l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady \u0111\u1ed1i v\u1edbi NFPP<\/strong><\/h3>\n\n\n\n

T\u1ea5t c\u1ea3 c\u00e1c c\u1ea5u tr\u00fac natri s\u1eaft photphat \u0111\u1ec1u c\u00f3 m\u1ed9t h\u1ea1n ch\u1ebf chung: \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u1ea5p v\u00e0 \u0111\u1ed9ng h\u1ecdc khu\u1ebfch t\u00e1n ion natri t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eadm. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c, nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y s\u1ebd h\u1ea1n ch\u1ebf hi\u1ec7u su\u1ea5t t\u1ed1c \u0111\u1ed9 v\u00e0 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng suy gi\u1ea3m dung l\u01b0\u1ee3ng sau nhi\u1ec1u chu k\u1ef3 s\u1ea1c\/x\u1ea3.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p cho c\u1ea3 hai v\u1ea5n \u0111\u1ec1 \u0111\u1ec1u n\u1eb1m \u1edf qu\u00e1 tr\u00ecnh nghi\u1ec1n. C\u00e1c h\u1ea1t nh\u1ecf h\u01a1n l\u00e0m r\u00fat ng\u1eafn kho\u1ea3ng c\u00e1ch khu\u1ebfch t\u00e1n ion natri \u2013 kho\u1ea3ng c\u00e1ch m\u00e0 c\u00e1c ion ph\u1ea3i di chuy\u1ec3n qua v\u1eadt li\u1ec7u r\u1eafn. S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 \u0111i\u1ec7n c\u1ef1c ph\u1ea3n \u1ee9ng nh\u1ea5t qu\u00e1n v\u1edbi qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3. V\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ph\u1ee7 \u0111\u1ec1u c\u1ee7a l\u1edbp ph\u1ee7 carbon l\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u ho\u1ea1t t\u00ednh.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao qu\u00e1 tr\u00ecnh nghi\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 b\u01b0\u1edbc x\u1eed l\u00fd th\u1ee9 c\u1ea5p \u0111\u1ed1i v\u1edbi NFPP \u2013 m\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a pin.<\/p>\n\n\n\n

Hai ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t NFPP<\/strong><\/h2>\n\n\n\n

NFPP \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p pha r\u1eafn ho\u1eb7c s\u1ea5y phun, sau \u0111\u00f3 nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Qu\u00e1 tr\u00ecnh nghi\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf hai giai \u0111o\u1ea1n kh\u00e1c nhau: tr\u1ed9n c\u00e1c ti\u1ec1n ch\u1ea5t tr\u01b0\u1edbc khi nung, v\u00e0 sau \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1ch v\u00e0 \u0111\u1ecbnh c\u1ee1 s\u1ea3n ph\u1ea9m \u0111\u00e3 nung. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf m\u1ed7i giai \u0111o\u1ea1n, v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111i\u1ec7n h\u00f3a cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p 1: M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao \u2013 Chu\u1ea9n b\u1ecb ti\u1ec1n ch\u1ea5t<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi thi\u00eau k\u1ebft, c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 \u2013 ngu\u1ed3n s\u1eaft, ngu\u1ed3n ph\u1ed1t pho, ngu\u1ed3n natri v\u00e0 ngu\u1ed3n carbon nh\u01b0 glucose ho\u1eb7c carbon \u0111en \u2013 ph\u1ea3i \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ec1u \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4. M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1ef1c c\u1eaft \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi r\u00f4to t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n

Vi\u1ec7c ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u \u1edf giai \u0111o\u1ea1n n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. N\u1ebfu c\u00e1c ti\u1ec1n ch\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9, ph\u1ea3n \u1ee9ng thi\u00eau k\u1ebft s\u1ebd kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, t\u1ea1o ra c\u00e1c m\u1ebb s\u1ea3n ph\u1ea9m c\u00f3 th\u00e0nh ph\u1ea7n pha kh\u00f4ng nh\u1ea5t qu\u00e1n v\u00e0 t\u00ednh ch\u1ea5t \u0111i\u1ec7n h\u00f3a thay \u0111\u1ed5i. M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao s\u1ebd ph\u00e1 v\u1ee1 c\u00e1c c\u1ee5m ban \u0111\u1ea7u v\u00e0 t\u1ea1o ra s\u1ef1 ti\u1ebfp x\u00fac ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c h\u1ea1t, \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n

\u0110i\u1ec3m quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd: Kh\u00f4ng tr\u1ed9n qu\u00e1 k\u1ef9: <\/strong>
Th\u1eddi gian ho\u1eb7c c\u01b0\u1eddng \u0111\u1ed9 tr\u1ed9n qu\u00e1 m\u1ee9c \u1edf giai \u0111o\u1ea1n n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0a t\u1ea1p ch\u1ea5t v\u00e0o do hao m\u00f2n thi\u1ebft b\u1ecb ho\u1eb7c g\u00e2y qu\u00e1 nhi\u1ec7t c\u1ee5c b\u1ed9, d\u1eabn \u0111\u1ebfn c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra s\u1edbm. M\u1ee5c ti\u00eau l\u00e0 tr\u1ed9n k\u1ef9, ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u1ea3m k\u00edch th\u01b0\u1edbc.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p 2: Nghi\u1ec1n b\u1eb1ng tia n\u01b0\u1edbc \u2013 Ph\u00e2n t\u00e1ch v\u00e0 \u0111\u1ecbnh c\u1ee1 sau khi thi\u00eau k\u1ebft<\/strong><\/h3>\n\n\n\n

After sintering, NFPP forms hard agglomerates that must be broken down before the material can be used in electrode slurries. Jet milling is the preferred method for this stage in high-purity production, and the reasons come directly from NFPP’s material requirements.<\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n s\u1eed d\u1ee5ng kh\u00ed \u00e1p su\u1ea5t cao \u2013 kh\u00f4ng kh\u00ed ho\u1eb7c nit\u01a1 \u2013 \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t v\u00e0 khi\u1ebfn ch\u00fang va ch\u1ea1m v\u1edbi nhau \u1edf v\u1eadn t\u1ed1c cao. Kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u m\u00e0i v\u00e0 kh\u00f4ng c\u00f3 b\u1ec1 m\u1eb7t kim lo\u1ea1i quay ti\u1ebfp x\u00fac v\u1edbi s\u1ea3n ph\u1ea9m. Vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc ch\u1ec9 x\u1ea3y ra th\u00f4ng qua va ch\u1ea1m gi\u1eefa c\u00e1c h\u1ea1t v\u1edbi nhau.<\/p>\n\n\n\n