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yexuqing木虫之王 (文学泰斗)
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同步輻射光源對磷酸鋰鐵錳的電性及結構之探討
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????????????????F?i???????Y????? 2009/3/19 [ [url= ocPrint(7619)]?? ?? ?? ?[/url] | ?? ?] ?? ?? ]??????????????????F?i??????c?Y?????о??l?F?????????0.05C ?y??????136mAh/g???????????????????λ???_3.6V?????????????????????C??????i????????????????????w??????λ??????i????4.0V????λ??????????F?i????????????^???У????S????????????Y??????????^??4.5V??????????????????Y?????@????????ИO???????? ???????? ???????????????????N??Ψ??B?m???ε?????????w?t??????????????X ????1947 ??????????????????????????????????????l?F??????????顸??????????????????????????????????????????????????O??????L?B?m?????????????????eС?????Еr?g?}?????c??????????X ??????????????????@?????ε????????yX ??????????f??????????????????????????o???о??????F???????????????????M?У??????V??????????????????t????????????W???????????|?????????????A?c?????W?о????ЬF??????W???????Q?????????????????????????????@???@????????f???? ?????c?x?????O ??????????????a??B???Y?????LiMn0.25Fe 0.75 PO4?????о??????? ???LiMn0.25Fe 0.75 PO4????????????????????????????????A???Y???????????????????M?й?B???Y?????????Y?????????M???^?Y????????????????? ???????????x?????O??D?????????????????????M???K????^?ξ?????ξ??????????????{?????????????????????????????????^?????????????????????y??????y???????????????e???I0 ??I ??????I = I0e−??(E)t ??????????(E)t = -ln(I/I0)??????????????????????????????????о????????t??M?b????????D??Sample λ????K???B????????C???????????^???У????????????????M?з?????????????@??x?????O???????????Ψ?????c????@??????? Mar45 ?x???M???@???????????????????x?????????е?????O???Arbin Battery Tester ??????????????0.05C Rate ?????????S????2~4.5V ??g??  ?D??????????????x?????O???D ???????@????V???? ??????????@????V??????f?????????p???????}(LiMn0.25Fe 0.75 PO4)?????????^???нY???????????D????????????????(x =1)????X???@??D???????????LiMn0.25Fe 0.75 PO4???Pnma???????Y??(Olivine Structure)???K??]?аl?F?s??(Impurity)??????????????LiMn0.25Fe 0.75 PO4??LiFePO4??LiMnPO4??????w????????????????^???У?????l?F???ε?Two-phase Transformation ????????????????????V?????????????ε?Two-phaes Tansformation????Fe????r?????????r???γ???  ?D???LixMn0.25Fe0.75PO4 ????????@????V ????In-situ ???????@????????l?F???p??????}LixMn0.25Fe 0.75 PO4????????????^???н??v???????Y?????D?QLixMn2+0.25Fe2+0.75PO4??LixMn2+0.25Fe3+0.75PO4 ??LixMn2+0.25Fe3+0.75PO4??????Щ?Y??????????????????Y??(Olivine Structure)??????p??????}LixMn0.25Fe 0.75 PO4???????^???о????????????????????Y??????????^??(Over Charge)??4.5V ??????????S????????Y?????????а??????]??????F?????I?????O????????(LiCoO2)???????????^???У???????Y??????????????^??(Over Charge)????r?l?????????????w?Y??????????棬????????m????????????_274mAh/g ???????H???????????????H??140mAh/g ?? ?Y??? ?????????C?????????O?????p???????}LiMn0.25Fe 0.75 PO4??0.05C ???????????H????136mAh/g ????????????3.6V ?????????????????????????l?F???????????????????????Mn ??????P?S?????Mn ????????}??????λ??4.0V ???????Fe ??????λ3.4V ????????Mn ??????????H???????????????λ???????F?е?Fe ????????3.4V???0.1~3.5V ?????@?N?p?????????}(LiMn0.25Fe 0.75 PO4)???????O????????H???и????????????u??LiFePO4?????????c???????????????????????Y??(Olivine Structure)??????????λ?^??4.5V ??????? ?@?N?p?????????}(LiMn0.25Fe 0.75 PO4)????S??????????Y???? ????C????????LiM1M2PO4 (M = Fe, Mn,Co, Ni)?????????}????????_?????????????}????????? ???Q?F??LiFePO4???????????}???????????3C??y????a???????????????и????????δ????????Hybrid Car ?????????????C????????????????????????M????3C ??????v?a?I?????l??? ????????????????????F?i???????Y??????????d?????g?mail??[/url][url=mailto:materialsnet@itri.org.tw]materialsnet@itri.org.tw ??????????????? / ??????????????S??? ???????A??W / ?~??ε????h?? ???????????о????? /????? ????????????I?????s?I267??????????Y??????http://www.materialsnet.com.tw/DocView.aspx?id=7593 |
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