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鋰電池正極材料的制備及其研究現(xiàn)狀(參考版)

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【正文】 Solid State Ionics, 1999, 120(5):155一161[15] 應(yīng)皆榮, 萬(wàn)春榮, 姜長(zhǎng)印. 高密度球形LiCoO2的制備及性能研究[J]. 電源技術(shù),2004, 28(9): 525527.[16] 胡國(guó)榮, 桂陽(yáng)海, 彭忠東. 鋰離子蓄電池正極材料LiCoO2研究進(jìn)展[J]. 電源技術(shù), 2003,27(2): 125128.[17] O hzuku T , U eda A , N agayama M , et al. Elect ro2 chem icalA cta [J ], 1993, 38: 115921167.[18] Dahn J R, Fuller E W , O brovac M , et al. So lidState Ionics[J ], 1994, 69: 2652270.[19] 衛(wèi)敏, 路艷羅, 楊文勝等. 化學(xué)通報(bào)[J ], 2002, 8:5162526. [20] Prosini P P , Zane D , Pasquali M. Electrochim. Acta , 2001 , 46(23) : 3517 —3523[21] Li G H , Azuma H , Tohda M. J . Electrochem. Soc. , 2002 , 149(6) : A743 —A747[22] Chung S Y, Bloking J T, Chiang YM. Nature Mater. , 2002 , 1(2) : 123 —128[23] Okada S , Sawa S , Egashira M, et al . J . Power Sources , 2001,97/98 : 430 —432[24] Andersson A S , Kalska B , HaggstromL , et al . Solid State Ionics ,2001 , 130 (1/2) : 41 —52[25] Huang H , Yin S C , Nazar L F. Electrochem. Solid State Lett . 2001 , 4 (10) : A170 —A172[26] Padhi A K, Najundaswamy K S , Goodenough J B. [J ] . JElect rochem Soc , 1997 , 144 : 118821194.[27] Andersson A S , Thomas J O. [ J ] . J Power Source ,2001 , 97298 : 4982502.[28] Prosini P P , Lisi M , Zane D ,et al. [J ] . Solid State Ion2ics , 2002 , 148 : 45251.[29] Goodenough J B , Mizuchima K. [ P ] . US : 4 ,302 ,518 ,1981.[30] Chung S Y, Bloking J T, Chiang YM. Nature Mater. , 2002 , 1(2) : 123 —128[31] Molenda J , Stoklosa A , Bak T. Solid State Ionics , 1989 , 36 :53 —58[32] Kawaia H , Nagatab M, Kageyamac H , et al . Electrochim. Acta ,1999 , 45 (1P2) : 315 —327[33] Imanishi N , Fujiyoshi M , Takeda Y, et al. [J ] . SolidState Ionics , 1999 , 118 : 1212128.[34] Saadoune I , Menet rier M , Delmas C. [ J ] . J MaterChem , 1997 , 7 : 250522511.[35] CHUNG S Y, BLOKING J T, CHIANG YM. Electronically conductive phosphoolivinesas lithium storage electrodes [J]. Nature Mater,2002, 1(2): 123128.[36] Barker J , Saidi M Y, Swoyer J L. Electrochem. Solid State Lett . ,2003 , 6 (3) : A53 —A55[37] Amine K, Yasuda H , Yamachi M. Electrochem. Solid State Lett . , 2000 , 3 (4) : 178 —179[38] Okada S , Sawa S , Egashira M, et al . J . Power Sources , 2001 ,97P98 : 430 —432[39] Li G H , Azuma H , Tohda M. Electrochem. Solid State Lett . 2002 , 5 (6) : A135 —A137[40] Nyte39。 參 考 文 獻(xiàn) [1] A rm st rong A R, B ruce P G. N ature [J ], 1996, 381:4992500.[2] Dahn J R, Zheng T , L iu Y, et al. Science[J ], 1995,270: 5902593.[3] Sato K, Noyuch iM , Demach iA , et al. Science [J ],1994, 264: 5562558.[4] PADHI A K, NANJUNDASWAMY K S, GOODENOUGH J as positiveelectrode materials for rechargeablelithium batteries[J]. J Electrochem Soc, 1997, 144(4):1188?1194.[5] SHIN H C, CHO W, JANG H. Electrochemical properties of carboncoated LiFePO4 cathode using graphite, carbon black,and acetylene black[J]. Electrochim Acta, 2006, 52(4):1472?1476.[6] TONG Dongge, LAI Qiongyu, WEI Nini, et al. Synthesis of LiCo1/3?Ni1/3Mn1/3O2 as a cathode material for lithium ion battery by waterinoil emulsion method [J]. Mater Chem Phys, 2005, 94: 423–428.[7] FEY G T K, HSIAO C L, MURALIDHARAN P. Thermal and electrochemical behavior of yttriastabilized zirconia coated LiCoO2 during overcharge tests [J]. J Power Sources, 2009, 189: 837–840.[8] N agaura T , Tozaw a K. P rogress Bat tery So lar Cells [J ],,1990, 9: 2092217.[9] YING J R, JIANG C Y, WAN C and characterization of highdensityspherical LiCoO2 cathode material for lithiumion batteries [J]. J Power Sources, 2004, 129(2):264269.[10] A Lundblad, B Bergman. Synthesis of LiCo02 starting from carbonate precursors:II Influence of calcinations conditions and leaching[J].Solid State Ionics, 1997,96(5): 183一193[11] 夏熙,努燕娜,[J].高等學(xué)?;瘜W(xué)學(xué)報(bào),1999, 20(12): 18471849[12] H Tukaoto, A R West. Electronic conductivity of LiCo02 and its enhancement by magnesium doping[J]表面包覆還需要深入研究,從而提高該系材料的電化學(xué)性能。Li2FeSiO4在電化學(xué)循環(huán)中是否存在相轉(zhuǎn)變還存在爭(zhēng)議。而其他類型材料僅處于合成材料和性能評(píng)估初步階段,有待進(jìn)一步研究。 總 結(jié)(1)目前作為鋰離子電池正極材料的鋰鈷氧化物(LiCoO2)具有電壓高,放電平穩(wěn),適合大電流放電,比能量高,循環(huán)性好的優(yōu)點(diǎn),但鈷資源稀缺,價(jià)格昂貴且有毒,并將逐漸被廉價(jià)高性能的新型正極材料取代。但是Li2NiSiO4在該系材料中具有最低的能隙,因此具有較高的電子電導(dǎo)率。要進(jìn)一步提高Li2COSi04材料的電化學(xué)性能,則必須尋找更加有效的途徑(更好的表面包覆或摻雜等方法)來(lái)提高其電導(dǎo)率。包覆碳納米管后的Li2CoSiO4/C材料首次放電容量達(dá)到101 mAh/g。他們發(fā)現(xiàn)低的電導(dǎo)率是導(dǎo)致Li2CoSiO4材料電化學(xué)活性較差的主要原因,而通過(guò)采用低溫合成方法合成具有較小粒徑的材料和采用機(jī)械球磨的方法對(duì)材料進(jìn)行表面碳包覆均可以顯著提高其電化學(xué)活性。龔正良等人通過(guò)固相法、溶膠凝膠法、水熱法和水熱輔助溶膠凝膠法分別合成了不同相結(jié)構(gòu)的Li2CoSiO4材料。 Li2CoSiO4 Li2NiSiO4與Li2Fe
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