1. 1 : TM911 : A ( > 700 ),. Vol. 8 No. 3 Aug EL ECTROCHEMISTR Y : (2002) , )

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8 3 2002 8 EL ECTROCHEMISTR Y Vol 8 No 3 Aug 2002 :1006-3471 (2002) 03-0245- 07 3, (, 200050) :,, : ; ; ; : TM911 : A, ( : PDA ) (100 130 Wh kg -

1 EL ECTROCHEMISTR Y Vol 8 No 3 Aug 2002 : (2002) , (, ) :,, : ; ; ; : TM911 : A, ( : PDA ) ( Wh kg - 1 ) ( 3 6 V),,,, :, [1 ] Ph Biensan [2 ] : ( > 700 ),, 1 1 1,, : , : :, Tel : ; sim ac cn

2 : 1) MacNeil D D [3 ] :,, MCMB d nm nm nm, nm [4 6 ] :,,, [7 8 ] [9 10 2) Yuichi Sato ] :, 3) SEI SEI, :, [3,4,11 15 SEI ] 1 2 : ;, Sooho Ahn [16 ], :,, 1 3 1) : MCMB,, [17 ] : PVDF 10 2), ;, 5 %wt ; 3) Ph Biensan [2 ] DSC : ;,PVDF LiCoO 2 LiNiO 2 LiMn 2 O 4, Li2 CoO 2 LiNiO 2 -NaFeO 2,LiMn 2 O 4

3 3 : 247 [2,4,8,18 23 ] : 1), : LiNiO 2 > LiCoO 2 > LiMn 2 O 4, LiNiO 2 < LiCoO 2 < LiMn 2 O 4, LiNiO 2 LiNiO 2, LiMn 2 O 4 ; 2),,, :Li 0 5 NiO 2 200, 240, Li 0 3 NiO 2 170, 200 ; [ 20,24 26 ] 1 5 PC EC EMC DMC, : EC/ DEC(1 :1) EC/ DMC(1 :1) PC/ DEC (1 :1) 4 25 V 5 1 V 4 35 V, ; SEI [ 2,22,27 29 ] 1 6 SEI, 50 % LiClO 4 LiAsF 6 LiPF 6 LiBF 4 LiN (SO 2 CF3) 2,,LiClO 4,,LiAsF 6,, LiN (SO 2 CF 3 ) 2 ; LiPF 6, Ph Biensan LiPF 6 LiBF 4 LiN (SO 2 CF 3 ) 2 DSC 1 7 1) SEI Li 2 CO 3 LiOCH 3 SEI J O Besenhard [30 ] 2 - CO 2 N 2 O CO S x SO 2 ES( ) SEI, 1 90 %, SEI 2) : Li 2 CO 3, [31 32, ] ;, [33 34, ], 1 8 [2 ] 1)

4 ,, 40 %, 10 nm, ; ;,,, : PP/ PE/ PP PE(125 ), PP (155 ) [35 37 ] 2),,,, SPE 1 PE 2 1) ;,, 1 1,, :,, 2),, ;,, 3) 10 %,,,,,,, 3 1) :, ;, ;,

5 3 : 249 2) Shin2Ichi Tobishima [18 ] :a), 120, LiCoO 2,,, LiMn 2 O 4, ;b) (1) (2) LiCoO 2 + C y ϖli (1 - x) CoO 2 + C y Li x (1) LiMnO 4 + C y ϖli (1 - x) MnO 4 + C x Li x (2) Li (1 - x) CoO 2 ( x = 0 5), Li (1 - x) Mn 2 O 4 ( x = 0 9), 100 %, 11 % 1 2 V, 1 V, 3),, : a), ( ), ;, ( ) ;, b) :, :, 10 Some Consideration for Lithium2ion Cells Safety HU Guang- xia 3, XIE Jing-ying ( Depart ment of Energy Science & Technology, S hanghai I nstit ute of M icrosystem & Inf orm ation Technology Chinese A cadem y of Sciences, S hanghai , China) Abstract : The safety is t he most important problem for lit hium2ion cells, especially for large lithium2ion cells In this paper, some information about lithium2ion cells safety can be learned by discussing several aspect s of lit hium2ion cells, such as, materials of lit hium2ion cell, manufact ur2

6 ing processes, using conditions and so on Key words : Lit hium2ion cell, Safety, Material, Manufact uring process, Using condition Reference s : [1 ] Shin2ichi Tobishima, J un2chic Yamaki A consideration of lithium ion safety[j ] Journal of Power Sources, 1999,81-82 : [2 ] Biensan Ph, et al On safety of lithium2ion cells[j ] Journal of Power Sources,1999,81-82 : [3 ] MacNeil D D, et al Safety of carbon Materials for lithium2ion batteries, www physic dal ca/ dahn/ dean/ carbon99 html [ 4 ] Dahn J R, et al Dependence of the electrochemical intercalation of lithium in carbons on the crystal structure of the carbon[j ] Electrochimica Acta, 1993,38 :1 179 [5 ] Akihiro Mabuchi, et al Charge/ discharge characteristics of the mesocarbon microbeads heat2treated at differ2 ent temperatures[j ] Electrochem Soc, 1995, 142, [6 ] Tao Zheng, et al Lithium insertion in high capacity carbonaceous materials[j ] Electrochem Soc, 1995, 142 : [ 7 ] Takami, et al Structural and kinetic characterization of lithium intercalation into carbon anodes for secondary lithium batteries[j ] J Electrochem Soc, 1995,142 : [8 ] Broussely M, et al Lithium insertion into host materials : the key to success for Li ion batteries[j ] Elec2 trochem Acta, 1999, 45 :3 22 [ 9 ] Yuichi Sato, et al Particle2size effect of carbon powders on the discharge capacity of lithium ion batteries[j ] Journal of Power Sources, 1998,75 : [10 ] Zhang Zebo, et al Particle size effect of MCMB on performance of lithium ion batteries[j ] New Carbon Materials, 1999, 14(4) : [11 ] Xu Zhong- yu, et al Research progress on compatibility of electrolyte with carbon negative electrode in lithi2 um ion batteries[j ] Chinese Journal of Power Sources, 2000, 24(3) :171 [12 ] Qiu Wei- hua, et al Study on coke/ graphite composite as anodematerials for lithium ion batteries[j ], Chi2 nese Journal of Power Sources, 1999, 23(1) : 7 [13 ] Ma shu- hua, et al Surface modification of carbon materials used as anode of lithium ion batteries[j ] Elec2 trochemistry, 1996,2 : [14 ] Yongju J ung, et al Lithium insertion in disordered carbons prepared from organic polymers [J ] Elec2 trochem Soc, 1998,145(9) : [15 ] Chil2Hoon Doh,et al Initial capacity fading of meso2phase pitch based carbon fiber asanode material of lithium ion battery[j ] Bull Korean Chem Soc, (2) : 169 [16 ] Soohoo Ahn, et al Development of high capacity, high rate lithium ion batteries utilizing metal fiber con2 ductive additives[j ] Journal of Power Sources, 1999,81-82 : [17 ] Aita Tomoyuki, et al Vinylidene fluoride plymer2based binder solution and electrode2forming composition [ P] EP :791973, 1997 [18 ] Shin2ichi Tobishima, et al Lithium ion cell safety[j ] Journal of Power Sources, 2000,90 : [19 ] Yoshiyasu Saito, et al Thermal studies of a lithium2ion battery[j ] Journal of power sources, 1997,68 :

7 3 : 251 [20 ] Ceder G, et al The electrochemical stability of lithium2metal oxides against metal reduction[j ] Solid State Ionics, 1998,109 : [21 ] Sun Chun-wen The development of lithium2ion cells, chinalithium 51 net/ 13 htm [22 ] PolyStor Corporation Design Consideration for Lithium2ion Cells, www polystor com [23 ] Gao Chun- hai Li2ion rechargeable battery[j ] Journal of Salt Lake Science, 1994, 2(4) :54 59 [24 ] George E Blomgre Electrolytes for advanced batteries[j ] Journal of Power Sources, 1999,81-82 : [ 25 ] Heider U, et al Challenge in manufacturing electrolyte solutions for lithium and lithium ion batteries quality control and minimizing contamination level[j ] Journal of Power Sources, 1999, : [26 ] Chen De-jun Organic eletrolyte for lithium ion battery[j ] Battery Industry, 1999, 4 (Aug) : [27 ] Kominato A, et al Analysis of surface films on lithium in various organic electrolytes[j ] Journal of power sources, 1997, 68 : [ 28 ] Gerardine GBotte, et al Thermal stability of LiPF62EC : EMC electrolyte for lithium ion batteries[j ] Jour2 nal of Power Sources, 2001, : [29 ] Huang Wen- huang, et al Study on non2aqueous electrolytes for lithium2ion battery[j ] Battery Industry, 1999, 6 (Dec) : [30 ] Besenhard J O, et al XPS studies of graphite electrode materials for lithium ion batteries[j ] Applied Sur2 face Science, 2000, 167 : [31 ] Yamamda Yasuyuki, Magnetic recording medium[ P] U S Patent :No , [32 ] Fujita Shigeru, et al Nonaqueous electrolyte secondary battery[ P] EP : , [ 33 ] Rohan James F, et al Chemical overcharge protection of lithium and lithium2ion secondary batteries[ P] U S Patent : , [34 ] Dan Pnina, et al Non2aqueous safe secondary cell[ P] EP : [35 ] Kazuo Murata, et al An overview of the research and development of solid polymer electrolyte batteries[j ] Electrochimica Acta, 2000, [36 ] Gu Lixia, et al Polymer lithium2ion batteries, chinalithium 51 net/ 009 htm [ 37 ] Zhang Zi-peng,et al Recent research development of composite polymer electrolytes[j ] Journal of function polymers, 1999, 4 :

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