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Size and shape control of LiFePO4 nanocrystals for better lithium ion battery cathode materials


L 一 , U 上- L U. 上UU /I S上二  /  。 U LO— UJ‘  S  b   nd   sh ap e   c on t r ol   of   Li   F eP04   na noc r ys t al s   f or   I i t hi um  i on   b a  er y   c a t hod e   ma t er i a l s   C a i y u n   N a n , J u n   L u , L i h o n g   L i , L i n g l i n g   L i , Qi n g   P e n g( 囡 ) , a n d   Y a d o n g   L i ( 囡 )   D e p a r t me n t o f C h e mi s t r y , S t a t e K e y L a b o r a t o r y o f L o w — D i me n s i o n a l Q u a n t u mP h y s i c s , T s i n g h u a U n i v e r s i t y , 8 e j i i n g   1 0 0 0 8 4 , C h i n a   Re c e i v e d: 1 8   Ma r c h   2 0 1 2   Re v i s e d : 1 5   Ap r i l   2 0 1 3   A BSTRACT  L i t h i u m  i r o n   p h o s p h a t e( L i F e P O4 ) i s   a   p o t e n t i a l   h i g h   e f f i c i e n c y   c a t h o d e   ma t e r i a l   f o r   1 i t h i u m  i o n   b a k e i r e s , b u t   t h e   l o w  e l e c t r o n i c   c o n d u c t i v i y  t a n d   s i n g l e   d i f f u s i o n   c h a n n e 1   f o r   1 i t h i u m  i o n s   r e q u i r e   g o o d   p a r t i c l e   s i z e   a n d   s h a p e   c o n t r o 1   d u r i n g   t h e   s y nt he s i s   of   t hi s   ma t er i a 1 . I n  t hi s   pa pe  ̄s i x   Li F e PO4   na no c r ys t a l s   wi t h  di f f e r e n t   s i z e   a nd   s ha pe   ha ve   b e e n   s uc c e s s ul f l y   s ynt he s i z e d  i n  e t hy l e ne   gl yc o 1 . The   a dd i io t n  Ac c e p t e d: 1 6   Ap r i l   2 0 1 3   @ T s i n g hu a   Un i v e r s i t y   P r e

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