²é¿´: 12029  |  »Ø¸´: 319
¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û255´Î£¬×÷ÕßxiejfÔö¼Ó½ð±Ò 200 ¸ö
±¾Ìû²úÉú 1 ¸ö ECEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

[×ÊÔ´] Nature Materials×îÐÂÑо¿ÎÄÕ£ºÓÃÓÚÏȽøï®µç³ØµÄÄÉÃ׽ṹ¸ßÄܵ缫²ÄÁÏ

×îÐÂÒ»ÆÚµÄNature Materials¿¯·¢Á˺«¹úºÍÃÀ¹ú¿ÆÑ§¼ÒºÏ×÷·¢±íµÄ×îÐÂÑо¿ÎÄÕ£¬½éÉÜÁËÄø»ù¸ßÄܵ缫²ÄÁÏÔÚï®µç³ØÖеÄÓ¦Óá£Ñо¿ï®µçÕý¼«²ÄÁϵÄÅóÓÑ¿ÉÒÔ¶Áһϡ£¸½¼þΪÕýÎĺÍSupporting Information¡£

Nickel-rich layered lithium transition-metal oxides, LiNi1−xMxO2 (M = transition metal), have been under intense investigation as high-energy cathode materials for rechargeable lithium batteries because of their high specific capacity and relatively low cost. However, the commercial deployment of nickel-rich oxides has been severely hindered by their intrinsic poor thermal stability at the fully charged state and insufficient cycle life, especially at elevated temperatures. Here, we report a nickel-rich lithium transition-metal oxide with a very high capacity (215 mA h g−1), where the nickel concentration decreases linearly whereas the manganese concentration increases linearly from the centre to the outer layer of each particle. Using this nano-functional full-gradient approach, we are able to harness the high energy density of the nickel-rich core and the high thermal stability and long life of the manganese-rich outer layers. Moreover, the micrometre-size secondary particles of this cathode material are composed of aligned needle-like nanosize primary particles, resulting in a high rate capability. The experimental results suggest that this nano-functional full-gradient cathode material is promising for applications that require high energy, long calendar life and excellent abuse tolerance such as electric vehicles.

.
nmat3435-f1.jpg



nmat3435-f2.jpg



nmat3435-f3.jpg



nmat3435-f4.jpg



nmat3435-f5.jpg



[ À´×Ô¿ÆÑмÒ×å ²ÄÁϼÒ×å ]
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

µç»¯Ñ§-µç³Ø²ÄÁÏ ÄÉÃ×¼¼ÊõÓëÄÜÔ´¼°Ä£Äâ ﮵ç×ÊÔ´¹²Ïí ÏȽø²ÄÁÏ
Íò¾í¸ó nano physics&chem ÄÉÃ×»¯Ñ§/µç»¯Ñ§×ÛÊö µç»¯Ñ§µçÔ´¡¢µçÔ´¹ÜÀí
ÄÜÔ´_вÄÁÏ ï®Àë×Óµç³ØÕý¼«²ÄÁÏ ¿Æ¼¼ ﮵ç
nano review м¼Êõ ï®Àë×Óµç³Ø²ÄÁϺ͹¤ÒÕ ¿Ûʽlï®Àë×Óµç³Ø
ï®µç³Ø ﮵çÏà¹Ø×ÊÁÏ ï®µç³Ø-ÈýÔª²ÄÁÏNCM Ê¯Ä«Ï©ï®µç³Ø
ÄÆÀë×Óµç³Ø¼°ÏȽø²ÄÁÏ Li Battery ÐÂÄÜÔ´ ÄÉÃ×´ß»¯
ï®µç³ØÏà¹Ø µç»¯Ñ§ º£ÍâÁôѧ¾­Ñé¼°Áôѧ°ìÀíµÈÏà¹ØÊÂÒ˵ÄÊÕ¼ ï®¿ÕÆøµç³ØµÄÑо¿
·½·¨ רҵ¼¼Êõ רҵ ÔÓÆßÔÓ°Ë
¸÷ÖÖÈÈÃÅÔÓ µç»¯Ñ§ ï®µç³Ø-z056 ѧϰÐ͹ÜÀí
×ÊÔ´Ìù

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¶à¶à¼ÒµÄÖí

ľ³æ (ÕýʽдÊÖ)


¡ï Ò»ÐǼ¶,Ò»°ã

ÕâÊǰ¢¹±µÄºË¿Ç½á¹¹°¡
25Â¥2012-10-28 00:04:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 320 ¸ö»Ø´ð

¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

Â¥Ö÷ÕæÊǸßÈË£¡£¡£¡

¹û¶Ï¶©ÔÄ£¡
2Â¥2012-10-27 19:22:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

njzhouyiming

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)


Â¥Ö÷£¬ÖªµÀÂ𣬴ËÎÄÔÚ10ÔÂ12ÈÕ¾ÍÒÑ·¢¹ý£¿
10Â¥2012-10-27 20:22:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2012-10-27 19:27   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
2012-10-27 19:48   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
2012-10-27 19:53   »Ø¸´  
¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
xzb3286Â¥
2012-10-27 20:13   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
xzb3287Â¥
2012-10-27 20:13   »Ø¸´  
¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
cwsl78Â¥
2012-10-27 20:20   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
cwsl79Â¥
2012-10-27 20:20   »Ø¸´  
¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
vicyel11Â¥
2012-10-27 20:41   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
2012-10-27 20:58   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
2012-10-27 20:58   »Ø¸´  
¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
2012-10-27 21:27   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 321Çóµ÷¼Á +3 ºÎÈó²É123 2026-03-18 3/150 2026-03-18 21:27 by li123456789.
[¿¼ÑÐ] 286Çóµ÷¼Á +6 lemonzzn 2026-03-16 9/450 2026-03-18 15:31 by vgtyfty
[½Ìʦ֮¼Ò] ½¹ÂÇ +8 Ë®±ùÔÂÔÂÒ°Íà 2026-03-13 12/600 2026-03-18 15:27 by ßäÎØß÷ÎØ
[¿¼ÑÐ] 297Çóµ÷¼Á +8 Ï·¾«µ¤µ¤µ¤ 2026-03-17 8/400 2026-03-18 14:30 by laoshidan
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +6 Ľº®mio 2026-03-16 6/300 2026-03-18 14:26 by 007_lilei
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 pupcoco 2026-03-17 7/350 2026-03-18 12:14 by djl2006
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ϊѧ666 2026-03-16 6/300 2026-03-17 20:15 by peike
[¿¼ÑÐ] 268Çóµ÷¼Á +8 Ò»¶¨ÓÐѧÉÏ- 2026-03-14 9/450 2026-03-17 17:47 by laoshidan
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
[¿¼ÑÐ] 283Çóµ÷¼Á +3 Ìý·ç¾ÍÊÇÓꣻ 2026-03-16 3/150 2026-03-17 07:41 by ÈÈÇéɳĮ
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ËØÄê¼ÀÓï 2026-03-15 5/250 2026-03-16 17:00 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 285Çóµ÷¼Á +6 ytter 2026-03-12 6/300 2026-03-16 15:05 by njzyff
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐʦ·¶071000£¬325Çóµ÷¼Á +6 RuitingC 2026-03-12 6/300 2026-03-16 14:50 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 294Çóµ÷¼Á +3 Zys010410@ 2026-03-13 4/200 2026-03-15 10:59 by zhq0425
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 ºôºô£¿~+123456 2026-03-14 3/150 2026-03-14 16:53 by WTUChen
[¿¼ÑÐ] Çóµ÷¼Á +3 ³ÌÓ꺼 2026-03-12 3/150 2026-03-13 15:06 by JourneyLucky
[¿¼ÑÐ] 0817»¯Ñ§¹¤³ÌÓë¼¼Êõ¿¼ÑÐ312·Öµ÷¼Á +3 T123 tt 2026-03-12 3/150 2026-03-13 10:49 by houyaoxu
[¿¼ÑÐ] 070303Ò»Ö¾Ô¸Î÷±±´óѧѧ˶310ÕÒµ÷¼Á +3 dÈçÔ¸Éϰ¶ 2026-03-13 3/150 2026-03-13 10:43 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û