Nghiên ứu đặ tính điện hóa ủa vật liệu atot nano lifepo4c ứng dụng ho ắ quy ion lithium thế hệ mới

Cui Miao, Peifeng Bai, Qianqian Jiang, Shuqing Sun, - A novel synthesis and characterization of LiFePO4 and LiFePO4/C as a cathode material for lithium-ion battery - Journal of Power Sou

t o

nc

C

t o s

                 [5,7,17]



 

cacbonat (PC), Ethylen cacbonat (EC), Tetra hydro furan (THF), Dymethyl

Trong pin Liti 

 2, LiMn2O4, LiNi1/3Co1/3Mn1/3O2, LiFePO4     

1.2.1  2

- 12 c nh c a l  n: 12 1/4 = 3 ×

1.2.2  2 O 4

 1.7Mn2O4(a);   c a spinen (b)

khit hóa hc cao, ht sinh ra rt nh, phân b c ht hp

(d <10 nm), nên không phi nghin

  sol-

+ Rn: to khung ba chiu

+ Lng: nm trong không gian hng ca khung rn

Xerogel aerogel

FeSO4 (FeC2O4) Glucoseu xanh lam.

2.2        TEM (Transmission Electron

2.2.5 

VNU-HN-SIEMENS D5005 - Mau LiFePO4 - M2

47-0107 (I) - Lithium Iron Phosphate - Li3Fe2(PO4)3 - d x by: 1.000 - WL: 1.54056

15-0873 (I) - Lithium Sulfate Hydrate - Li2SO4·H2O - d x by: 1.000 - WL: 1.54056

19-0721 (D) - Triphylite, syn - LiFe(PO4) - d x by: 1.000 - WL: 1.54056

File: Ky-HVKTQS-LiFePO4-M2.raw - Type: 2Th/Th locked - Start: 5.000 ° - End: 70.010 ° - Step: 0.030 ° - Step time: 1.0 s - Temp.: 25.0 °C (Room) - Anode: Cu - Creation: 10/08/14 13:15:34

VNU-HN-SIEMENS D5005 - Mau LiFePO4 - M6

45-1454 (N) - Lipscombite, syn - Fe3(PO4)2(OH)2 - d x by: 1.000 - WL: 1.54056

15-0873 (I) - Lithium Sulfate Hydrate - Li2SO4·H2O - d x by: 1.000 - WL: 1.54056

19-0721 (D) - Triphylite, syn - LiFe(PO4) - d x by: 1.000 - WL: 1.54056

File: Ky-HVKTQS-LiFePO4-M6.raw - Type: 2Th/Th locked - Start: 5.000 ° - End: 70.010 ° - Step: 0.030 ° - Step time: 1.0 s - Temp.: 25.0 °C (Room) - Anode: Cu - Creation: 10/08/14 14:00:07

(a) (b)

 3



2.5 3.0 3.5 4.0 4.5 -4

-2 0 2 4 6

0 20 40 60 80 100 2.4

2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4

Chu ky 1 Chu ky 2

M2 M6

VNU-HN-SIEMENS D5005 - Mau LiFePO4 - M7.1

15-0760 (*) - Lithium Phosphate - Li3PO4 - d x by: 1.000 - WL: 1.54056

15-0873 (I) - Lithium Sulfate Hydrate - Li2SO4·H2O - d x by: 1.000 - WL: 1.54056

19-0721 (D) - Triphylite, syn - LiFe(PO4) - d x by: 1.000 - WL: 1.54056

File: Ky-HVKTQS-LiFePO4-M7-1.raw - Type: 2Th/Th locked - Start: 5.000 ° - End: 70.010 ° - Step: 0.030 ° - Step time: 1.0 s - Temp.: 25.0 °C (Room) - Anode: Cu - Creation: 10/08/14 14:41:22

VNU-HN-SIEMENS D5005 - Mau LiFePO4 - M11

15-0760 (*) - Lithium Phosphate - Li3PO4 - d x by: 1.000 - WL: 1.54056

19-0721 (D) - Triphylite, syn - LiFe(PO4) - d x by: 1.000 - WL: 1.54056

File: Ky-HVKTQS-LiFePO4-M11.raw - Type: 2Th/Th locked - Start: 5.000 ° - End: 70.010 ° - Step: 0.030 ° - Step time: 1.0 s - Temp.: 25.0 °C (Room) - Anode: Cu - Creation: 11/05/14 15:03:23

VNU-HN-SIEMENS D5005 - Mau LiFePO4 - M12

15-0760 (*) - Lithium Phosphate - Li3PO4 - d x by: 1.000 - WL: 1.54056

19-0721 (D) - Triphylite, syn - LiFe(PO4) - d x by: 1.000 - WL: 1.54056

File: Ky-HVKTQS-LiFePO4-M12.raw - Type: 2Th/Th locked - Start: 5.000 ° - End: 70.010 ° - Step: 0.030 ° - Step time: 1.0 s - Temp.: 25.0 °C (Room) - Anode: Cu - Creation: 11/05/14 16:24:52

2.5 3.0 3.5 4.0 4.5 -4

-2 0 2 4 6

E(V) vs Li+/Li

Chu ky 2 Chu ku 3

 18: 5mV/s

-1.5 -1.2 -0.9 -0.6 -0.3 0.0 0.3 0.6 0.9 1.2 1.5

1.8

Chu ky 1 Chu ky 2 Chu ky 3

E(V) vs Li+/Li

 19: mV/s

2.0 2.5 3.0 3.5 4.0 4.5 5.0 -1.5

-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5

E(V) vs Li+/Li

Chu ky 1 Chu ky 2 Chu ky 3

 20: 0,1 mV/s

 3.19, 3.20

2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

4.4

Chu ky 1 Chu ky 2

C(mAh/g)

H21

0 20 40 60 80 100 120 140 160 180 2.4

2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

4.4

Chu ky 1 Chu ky 2

Chu ky 1 Chu ky 2

C(mAh/g)

 23

0 5 10 15 20 25 0

20 40 60 80 100 120 140

M11 M12





              

công ngh -  Vin Khoa h c và Công ngh Vi t Nam, 2006   

7           



Batteries - Nova Science Publishers, Inc, 2009

Vehicles -The Benefits and Barriers

carbon nanopainting of LiFePO 4 by oxidative surface polymerization of dopamine - Journal of Power Sources 265 (2014) 239-245

characterization of LiFePO 4 and LiFePO4/C as a cathode material for lithium-ion battery - Journal of Power Sources 246 (2014) 232 238

phosphate nanoplates - Journal of Materials Chemistry 2011, 21, 9994

13 Dinesh Rangappa, Koji Sone, Tetsuichi Kudo, Itaru Honma - Directed growth

of nanoarchitectured LiFePO 4 electrode by solvothermal synthesis and their cathode properties - Journal of Power Sources 195 (2010) 61676171

kinetics study of carbon coated and carbon free LiFePO4 - Journal of

15 Hui Yang, Xing-Long Wu, Min-Hua Cao, and Yu-Guo Guo - Solvothermal

Synthesis of LiFePO 4 Hierarchically Dumbbell-Like Microstructures by Nanoplate Self-Assembly and Their Application as a Cathode Material in Lithium-Ion Batteries - The Journal of Physical Chemistry C 2009, 113, 33453351

novel nano structured LiFePO 4 /C composite as cathode for Li-ion batteries

York, 1998

18 Ji Guang Zhang and Jun Liu - Development of High Energy Cathode for

Li-ion Batteries - Vehicle Technologies Program Review- June, 2010

Jongboo Jung, Maenghyo Cho, Min Zhou -

energy of LiFePO 4 /FePO 4 interfaces - Journal of Power Sources 243 (2013)

706 -714

Nanospheres in Tridimensional Porous Carbon Framework for Lithium Ion Batteries - The Journal of Physical Chemistry C2011, 115, 2888 2894 

21 Jaewon Lee , Amyn S Teja - Synthesis of LiFePO 4 micro and nanoparticles

in supercritical water - Materials Letters 60 (2006) 2105 2109 

22 Jiangfeng Qian, Min Zhou, Yuliang Cao, Xinping Ai, and Hanxi Yang -

Template-Free Hydrothermal Synthesis of Nanoembossed Mesoporous LiFePO 4 Microspheres for High-Performance Lithium-Ion Batteries - The

23 Jiajun Wang , Yongji Tang , Jinli Yang - Nature of LiFePO4 aging process:

Roles of impurity phases - Journal of Power Sources 238 (2013) 454 463

24 Ming-ming Chen , Qian-qian Ma, Cheng-yang Wang , Xin Sun, Li-qun Wang,

Cui Zhang - Amphiphilic carbonaceous material-intervened solvothermal

synthesis of LiFePO 4 - Journal of Power Sources 263 (2014) 268 275.

25 Qiang Wang, Weixin Zhang, Zeheng Yang, Shaoying Weng - Solvothermal

synthesis of hierarchical LiFePO4 microflowers as cathode materials for lithium ion batteries - Journal of Power Sources 196 (2011) 10176 10182 

of high-frequency induction heating for LiFePO4 with ideal crystal

structure -Journal of Power Sources 243 (2013) 617 621

27 Yancheng Zhang, Chao-Yang Wang, Xidong Tang - Cycling degradation of

an automotive LiFePO 4 lithium-ion battery - Journal of Power Sources 196

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