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yexuqing

木虫之王 (文学泰斗)

太阳系系主任

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帖子: 167577
在线: 4742.8小时
虫号: 88288
注册: 2005-08-23
专业: 数论

[交流] 【其他】5V高電壓鋰離子電池正極材料研發近況

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2010/3/9
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??????Worldwide Nanotechnology Electric Vehicle (EV) Market Shares, Strategies, andForecasts, 2009 to 2015???????棬?A????2015???????????????????_??3,270?f?v????????????2009???????????????16?f?v??C??a????????W????????????????????e?O???????v??l?????????????v???P?I??M???????????v????????????????x?????????????????y?????^??????????????ù????V????С?????N??y?????O??????????????(Zero Emissions Vehicle)?????????????x?????
????????x???????O???????LiCoO2??LiMn2O4??LiNiO2??LiFePO4??LiNi1/3Co1/3Mn1/3O2???????????4V??????????????????????????a?????5V????????O??????\?????????????O??????4.8V??y??LiNiVO4?cLiCrxMn2-xO4?????4.7 V??y?LiNixMn2-xO4 ????????Y?? (Spinel Structure)?LiMn2O4???s????????^??????????????Y?????a????????????????M?????A?????M???????????????????^??????????s???????в???LiMxMn2-xO4??M = Cr, Co, Fe, Ni, Cu???????4.5 V???????????????M???????????
LiNiVO4??y
1961??Bernier ???????ù?B???Y??????e??LiVO3??NiCO3??CoC2O4??500???·???7??????????????????????LiNiVO4??LiCoVO4???????K?J??????????м???Y????1979??Ito????Li2O-NiO-V2O5????????D???D????????LiVO3?c NiO????????1:1???1000???·???100С?r??????????a??1988??Chang ???????????????????????D?У???Li2O-NiO-V2O5???????????1:2:1?????550??l??????????c??1,045?桢?????Y???LiNiVO4??
1993???????????W?M?????????????Simon Fraser ??W?L?????g??????C???????B???Y????LiNiO2 ??V2O5???????500????4С?r??????800?淴??6С?r???????????????????LiOH??Ni(NO3)2 ??V2O3??????700???·???2С?r??????????????LiNiVO4?a??
LiCrxMn2-xO4??y
LiCrxMn2-xO4??y??1995????Sigala???_??M???о??????????Y???????Y???????о??l?F????3.4~5.4 V ????????r?????????????????4.9 V???????????4.0 V??4.9 V????????????????S??Cr????????????????4.0 V??????????t?SCr??????????p????D????LixCryMn2-yO4?????????????????????D????D?п?l?F?S??y??????????Cr??????y = 0??????y = 0.75?????????????????4.05 V??????4.5 V??
????鲻??????????sLixCryMn2-yO4?????????c???H????????^??????п?l?F??????????F???X????s?????????4 V?????y??????????????????????5 V???????????????^????????????w???????????t?c???s?????????????P???K??龀????P?S???????????s???LixCryMn2-yO4???????????D?????????D?п??C???K???????s??????????m?????????????w????????????档
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LiNixMn2-xO4??y
???????????T??(CEA)???о??C????LITEN?? ???QCEA-LITEN??????????????????????Y?????O??????о?????e??LiNi0.5Mn1.5O4??????????y???о??l?F??LiNi0.5Mn1.5O4?????u??l???????????a????N??????g??????Y??????e??Fd-3m?cP4332??Fd-3m??Ni/Mn?o????????????g??Y????????x??????????????w8aλ????^?????t?????????w16d??λ?????P4332??Ni/Mn??????????????g??Y????????x???????4a???i?x??t??12dλ?á? Fd-3m?o?????LiNi0.5Mn1.5O4??????????M????仯?W??????LiNi0.5Mn1.5O4-???
?D???1.9 Ah??18650???????????N?????O?c??O??????w?e????????c?????????????^????D?п?l?F??????????Y??????O???????Li4Ti5O12??O???????????????s140 Wh Kg-1???w?e???????s340 Wh L-1???????????O???????????????????s230 Wh Kg-1???w?e???????s500 Wh L-1 ???????????????O??????y????
???????K?????????????h?}????e????????O???????????????????????y???t????????????????????D????LiNi0.5Mn1.5O4??LiFePO4?cLiCoO2?DSC?????^????D?п?l?F??LiNi0.5Mn1.5O4??????y???????h????????LiCoO2????????^LiFePO4????????Y??LiCoO2??????????^??????265?漰280??????????O??????壬??????????????????????|?????????????D?????l??????255?漰275????????F?????С???????壬??????|?????}LiPF6???????ɡ??m????????O??????и???????λ?????????????^LiCoO2????

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?D????LiNi0.5Mn1.5O4??LiFePO4?cLiCoO2?DSC???^?????????20~375?棻?????????10?? min-1 )
LiNi0.5Mn1.5O4?????m????T?????c?????????i?????????????L??h?r?i????????????????????????|??????4.7V??????????S????Y??????????????????????????P?I????LiNi0.5Mn1.5O4????????|?о???????????u????????2002??Sun??W???????????????\???|LiNi0.5Mn1.5O4???????????55??C???h??????????????\???????????XRD??????D??????????D?п?l?F??????????????????????????????Y??????????????NiOx?|?a????????XRD?D?Пo???y??ZnO????????
?D????齛?????\???????????LiNi0.5Mn1.5O4????SEM???????Y???@??????????????0.5~3.0 ??m??g????ZnO?t?????????LiNi0.5Mn1.5O4??????棬??С?s??10 nm ??????D???齛?^ZnO???|LiNi0.5Mn1.5O4????????55??C??1/3 C-rate?y??l???????????D???Y???l?F????1.5 wt.% ZnO????|LiNi0.5Mn1.5O4???????????????????50????h???????????????
??????γ?谡??????/??????????
????????????I?????s?I279??????????Y??????http://www.materialsnet.com.tw/DocView.aspx?id=8404

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