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2007 Volume 23 Issue 0
2007, 23(0): 1-4
doi: 10.3866/PKU.WHXB2007Supp01
Abstract:
A new functional electrolyte was developed to improve the cycling performance of LiMn2O4 spinel at elevated temperatures. The so-called high-temperature electrolyte was formed by adding additive Li2CO3 into conventional LiPF6 electrolyte solutions. T...
A new functional electrolyte was developed to improve the cycling performance of LiMn2O4 spinel at elevated temperatures. The so-called high-temperature electrolyte was formed by adding additive Li2CO3 into conventional LiPF6 electrolyte solutions. T...
2007, 23(0): 5-9
doi: 10.3866/PKU.WHXB2007Supp02
Abstract:
A novel Li4Ti5O12/LiPF6/EC+EMC+DMC (1:1:1 mass ratio)/LiMn2O4 lithium battery of 18650 type was developed and the electrochemical performance of the system was investigated through constant current charge-discharge test and differential chronopotenti...
A novel Li4Ti5O12/LiPF6/EC+EMC+DMC (1:1:1 mass ratio)/LiMn2O4 lithium battery of 18650 type was developed and the electrochemical performance of the system was investigated through constant current charge-discharge test and differential chronopotenti...
2007, 23(0): 10-13
doi: 10.3866/PKU.WHXB2007Supp03
Abstract:
The discharge capacity and the cycle lifetime of Li-Mn-O spinel oxide with different technology factors were analyzed by chemical pattern recognition method, and some criteria for improving material properties were obtained. The ratio of lithium to m...
The discharge capacity and the cycle lifetime of Li-Mn-O spinel oxide with different technology factors were analyzed by chemical pattern recognition method, and some criteria for improving material properties were obtained. The ratio of lithium to m...
2007, 23(0): 14-17
doi: 10.3866/PKU.WHXB2007Supp04
Abstract:
The spinel LiMn2O4 was synthesized by high temperature solid-state reaction and its structure and morphology were analyzed by XRD and SEM. A 2.5 Ah cylindrical lithium-ion battery was developed using electrodes made with water-soluble polymer binder,...
The spinel LiMn2O4 was synthesized by high temperature solid-state reaction and its structure and morphology were analyzed by XRD and SEM. A 2.5 Ah cylindrical lithium-ion battery was developed using electrodes made with water-soluble polymer binder,...
2007, 23(0): 18-20
doi: 10.3866/PKU.WHXB2007Supp05
Abstract:
A novel gel interpenetrating polymer network (IPN) was formed by using PVDF-HFP (poly(vinylidene fluoride)-co-hexafluoropropylene), TEGDA (tetra(ethylene glycol) diacrylate), BPO (benzoyl peroxide) and liquid electrolyte (1 mol·L-1 LiPF6, EC:DEC:EMC=...
A novel gel interpenetrating polymer network (IPN) was formed by using PVDF-HFP (poly(vinylidene fluoride)-co-hexafluoropropylene), TEGDA (tetra(ethylene glycol) diacrylate), BPO (benzoyl peroxide) and liquid electrolyte (1 mol·L-1 LiPF6, EC:DEC:EMC=...
2007, 23(0): 21-25
doi: 10.3866/PKU.WHXB2007Supp06
Abstract:
60 Ah Lithium ion battery was prepared by using of spinel LiMn2O4, and 60 Ah 288 V portable power system were developed. The electrochemical performance and power characteristic of 60Ah288V power system were further studied. The home-used electric ve...
60 Ah Lithium ion battery was prepared by using of spinel LiMn2O4, and 60 Ah 288 V portable power system were developed. The electrochemical performance and power characteristic of 60Ah288V power system were further studied. The home-used electric ve...
2007, 23(0): 26-30
doi: 10.3866/PKU.WHXB2007Supp07
Abstract:
The synthesis reaction mechanisms were analyzed for the cathode materials LiNixMn2-xO4, which were synthesized by the solid-state reaction method and the wet-chemical method, respectively. XRD data indicated that a mixture precursor of Ni1Mn2O4 and M...
The synthesis reaction mechanisms were analyzed for the cathode materials LiNixMn2-xO4, which were synthesized by the solid-state reaction method and the wet-chemical method, respectively. XRD data indicated that a mixture precursor of Ni1Mn2O4 and M...
2007, 23(0): 31-35
doi: 10.3866/PKU.WHXB2007Supp08
Abstract:
The product LiMn1.5Ni0.5-xCuxO4 with cubic spinel structure was synthesized by a chemical co-precipication method. MnSO4·H2O, NiSO4·6H2O, CuCl2·2H2O, NaOH, NH3·H2O and LiOH·H2O were used as the initial materials. The LiMn1.5Ni0.5-xCuxO4 powder was ch...
The product LiMn1.5Ni0.5-xCuxO4 with cubic spinel structure was synthesized by a chemical co-precipication method. MnSO4·H2O, NiSO4·6H2O, CuCl2·2H2O, NaOH, NH3·H2O and LiOH·H2O were used as the initial materials. The LiMn1.5Ni0.5-xCuxO4 powder was ch...
2007, 23(0): 36-39
doi: 10.3866/PKU.WHXB2007Supp09
Abstract:
The physical character of LiMn2O4 sample was investigated through XRD and SEM, then the best voltage scale of spinel LiMn2O4 power batteries was investigated, and the effect of abuse condition, such as overcharge (above 5.0 V) and overdischarge (belo...
The physical character of LiMn2O4 sample was investigated through XRD and SEM, then the best voltage scale of spinel LiMn2O4 power batteries was investigated, and the effect of abuse condition, such as overcharge (above 5.0 V) and overdischarge (belo...
2007, 23(0): 40-45
doi: 10.3866/PKU.WHXB2007Supp10
Abstract:
LiNi0.8Co0.2-xMgxO2 (x=0.02, 0.03, 0.04) cathode materials were synthesized by co-precipitation method. The materials were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), thermogravimetry (TG), and differential scanning ...
LiNi0.8Co0.2-xMgxO2 (x=0.02, 0.03, 0.04) cathode materials were synthesized by co-precipitation method. The materials were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), thermogravimetry (TG), and differential scanning ...
2007, 23(0): 46-50
doi: 10.3866/PKU.WHXB2007Supp11
Abstract:
18650 type Li ion secondary cells were developed using carbon as anode material and LiNi1/3Co1/3·Mn1/3O2 as cathode material. The discharge performance of the C/LiNi1/3Co1/3Mn1/3O2 cell was studied through such methods as charge and discharge cycle, ...
18650 type Li ion secondary cells were developed using carbon as anode material and LiNi1/3Co1/3·Mn1/3O2 as cathode material. The discharge performance of the C/LiNi1/3Co1/3Mn1/3O2 cell was studied through such methods as charge and discharge cycle, ...
2007, 23(0): 51-55
doi: 10.3866/PKU.WHXB2007Supp12
Abstract:
High electrocatalytic activity of an electropolymerized film of poly (3,4-ethylenedioxythiophene) (PEDOT) was reported toward the redox reaction of 2,5-dimercapto-1,3,4-thiadiazole (DMcT) as a promising cathode material for the lithium ion battery. E...
High electrocatalytic activity of an electropolymerized film of poly (3,4-ethylenedioxythiophene) (PEDOT) was reported toward the redox reaction of 2,5-dimercapto-1,3,4-thiadiazole (DMcT) as a promising cathode material for the lithium ion battery. E...
2007, 23(0): 56-59
doi: 10.3866/PKU.WHXB2007Supp13
Abstract:
LiCoO2 and nonstoichiometric Li1+xCoO2(x=0.02, 0.05) cathode materials were synthesized under various nLi/nCo ratio. X-rayDiffraction (XRD), scanning electronic microscope (SEM), inductively coupled plasma-atomic emission spectrometry (ICP-AES), lase...
LiCoO2 and nonstoichiometric Li1+xCoO2(x=0.02, 0.05) cathode materials were synthesized under various nLi/nCo ratio. X-rayDiffraction (XRD), scanning electronic microscope (SEM), inductively coupled plasma-atomic emission spectrometry (ICP-AES), lase...
2007, 23(0): 60-66
doi: 10.3866/PKU.WHXB2007Supp14
Abstract:
With the application of spinel LiMn2O4 cathode material and new seperator, a 60 Ah LiMn2O4-based lithium ion battery for plug-in hybrid electric vehicles (PHEV) was developed on the basis of studying the influence of electrode fabrication technology ...
With the application of spinel LiMn2O4 cathode material and new seperator, a 60 Ah LiMn2O4-based lithium ion battery for plug-in hybrid electric vehicles (PHEV) was developed on the basis of studying the influence of electrode fabrication technology ...
2007, 23(0): 67-74
doi: 10.3866/PKU.WHXB2007Supp15
Abstract:
Electrospinning is a powerful and versatile method to fabricate nanofibers and electrospun membranes. The principle, devices, mechanism and developments of electrospinning were systematically introduced in this paper. The techniques of electrospinnin...
Electrospinning is a powerful and versatile method to fabricate nanofibers and electrospun membranes. The principle, devices, mechanism and developments of electrospinning were systematically introduced in this paper. The techniques of electrospinnin...
2007, 23(0): 75-79
doi: 10.3866/PKU.WHXB2007Supp16
Abstract:
Along with the improvement and development of lithium-ion battery materials and technology, there has seen great improvement in the high power performance of lithium-ion battery, which makes it possible to be widely used for such applications as powe...
Along with the improvement and development of lithium-ion battery materials and technology, there has seen great improvement in the high power performance of lithium-ion battery, which makes it possible to be widely used for such applications as powe...
2007, 23(0): 80-89
doi: 10.3866/PKU.WHXB2007Supp17
Abstract:
Electrolyte solution plays a great importance on the performances of lithium-ion batteries, such as cyclability, safety, etc. The article reviews the recent research progress related to electrolyte solutions in thermal stability of solution, reaction...
Electrolyte solution plays a great importance on the performances of lithium-ion batteries, such as cyclability, safety, etc. The article reviews the recent research progress related to electrolyte solutions in thermal stability of solution, reaction...
2007, 23(0): 90-93
doi: 10.3866/PKU.WHXB2007Supp18
Abstract:
The research progress in the preparation methods of the separators for lithium-ion secondary batteries was summarized. The preparation methods, structure and performance of the micro pores polymer separators for Li-ion batteries were introduced. Its ...
The research progress in the preparation methods of the separators for lithium-ion secondary batteries was summarized. The preparation methods, structure and performance of the micro pores polymer separators for Li-ion batteries were introduced. Its ...
2007, 23(0): 94-99
doi: 10.3866/PKU.WHXB2007Supp19
Abstract:
At present, the applications of motive batteries in EV are extensively used, because of complicate circumstance the consistency of Li-ion batteries are severely descented. If it is not used for quality evaluation and maintenance measure, cycle life i...
At present, the applications of motive batteries in EV are extensively used, because of complicate circumstance the consistency of Li-ion batteries are severely descented. If it is not used for quality evaluation and maintenance measure, cycle life i...
2007, 23(0): 100-106
doi: 10.3866/PKU.WHXB2007Supp20
Abstract:
There are lots of researches, developments, and applications about high power lithiumion battery recently because of its market, especially the requirements of thickness, weight and safety. Regarding this, Aluminum bag lithium ion battery is highly a...
There are lots of researches, developments, and applications about high power lithiumion battery recently because of its market, especially the requirements of thickness, weight and safety. Regarding this, Aluminum bag lithium ion battery is highly a...
2007, 23(0): 107-112
doi: 10.3866/PKU.WHXB2007Supp21
Abstract:
This paper describe the phylogeny and actuality of electric vehicles (EV) as well as the battery and motor system of EV. The perspective of EV is forcasted in the end.
This paper describe the phylogeny and actuality of electric vehicles (EV) as well as the battery and motor system of EV. The perspective of EV is forcasted in the end.
2007, 23(0): 113-120
Abstract:
