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yexuqing

木虫之王 (文学泰斗)

太阳系系主任

[交流] 【其他】快速充電負極材料

????????O???? 2010/3/18 [ [url=ocPrint(8444)]?? ?? ?? ?[/url] | ?? ?] ?? ?? ]
  

Li4Ti5O12????Y?????????O??????????????????????о??w????????Y??????????h?????O???????Li4Ti5O12?λ??1.5V????????????????γ?SEI??????迹?????????????????????????????????x??U???????m????????????Li4Ti5O12??????}?錧????????Q????????齵???w????硢?}????????????????档????????????????_???????O??????о??????и?????????h????????????????c???????????x??????e?m?????????????????????????????????????C????C???????????????O???????????
?????????O?????????(Li4Ti5O12)???鼰???P???g?l?
??????????÷??棬??????ü??(Spinel)?Y???Li4Ti5O12??????????O????c?У?(1)???w?Y????????????????????w?e?????OС??????0.2%?????????h?????O????1,500 Cycles ???????(2)Li4Ti5O12 ?λ??1.5V (vs. Li)????????????????γ?SEI??????迹??????????
????EnerDel??Altair?????Toshiba?????????_?l??O???Li4Ti5O12?????O???LiMn2O4???????????2.4V???????x?????????|?Toshiba???????'SCiB' ???????犃???????_90%????h???????_5,000?Σ??????-30??C ???????80% ????????????????????????????Q??2010?????Y?s250 ?|??A??????a?d?????SCiB?????S???A?2011?????_????a????v??????????????_???????SCiB??Cell/??M????????a???50?fCell??
Li4Ti5O12?m?????????c??????c????????????(~175 mAh/g)??????䶮???????к??Li4Ti5O12?c?????}????о?????????????????????? ?O??????Li4Ti5O12???????????????C???????????δ???????x???????????????O????(LiFePO4??Li4Ti5O12)???????????c?????}??????w?Y????????????к?????P???о??????M?У?δ???????????M????????????????c???????????????????????δ???????
????????W??2009??l????????????Y?u?????Nanosheet?M????????Y????Li4Ti5O12????D?????????Y?????ИO??????e??BET?y??131.2 m2/g???D??鲻???????????y???10C??6 ??犣???20C??3 ??犣???50C??1.2 ??犣???e??151 mAh/g??145 mAh/g??131 mAh/g??????h???????棨?D????????^?????????y?????10C????????h?????y????????????_150 mAh/g???@???Y???????????á?

?D?????????Y??Li4Ti5O12??????????????????


?D?????????Y??Li4Ti5O12?????????????????????h?y?

?????????w???????????}????????????????????????о???2007 ??????????W?ECS ?l????TVD (Thermal Vapor Decomposition)?????????Li4Ti5O12???棬???????????????5nm??????????????????δ???????10-13 S/cm????2.05 S/cm???????W??2008??l?????????y?????y??????????????????}??????y?Li4Ti5O12???????????????????@???????D????? C/3??180??犣???1C??60??犣???4C??15??犣???10C??6??犣? ???????????e??200 mAh/g ??180 mAh/g ??150 mAh/g ??110 mAh/g ??2009??????????W????????????????о??_?l???????l????CVD ????????????????????TiO2????????????}??????Y??C/2??120??犣???10C??6??犣???20C??3??犣????????????e??150 mAh/g ??130 mAh/g ??120 mAh/g ??20C???????C/2?77%??
?????????O???????????(TiO2)???鼰???P???g?l?
????????Li4Ti5O12??O?????????????????????????u???????????????Y????????н?t???(Rutile)???J???V??(Anatase)??????V??(Brookit) ???N???????J???V????600??C?r?????D?Q???t????????1980??Marchand???????x????Q???u????TiO2(B)??
TiO2(B)???w????ReO3?Y??????????S??????D???????????????TiO2(B)???????0.85???????x???TiO2(B)???@??N???????????w????????_???Y???????335 mAh/g ????????????A. Robert Armstrong?????u???TiO2(B) ??????????20~40nm???L??2~4 ??m???????????????????η??????????_305 mAh/g???????????_33%?????????????h???????á??????????η????????????_338 mAh/g???????????????@?w?????????и????????e???????σ???????c??????????????????

?D????TiO2(B)???w?Y?????D

?????????䴙?????????s??????????/??????????
????????????I?????s?I279??????????Y??????http://www.materialsnet.com.tw/DocView.aspx?id=8405
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jinixu

铜虫 (正式写手)


小木虫(金币+0.5):给个红包,谢谢回帖交流
正好用得着,非常感谢!
3楼2010-03-20 18:02:36
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xiaochen2010

新虫 (初入文坛)

这样看的比较方便
4楼2010-03-21 20:35:03
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