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high specific area
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  高比表面积
    A series of Ni-Fe oxides with high specific area and Ce0.8Sm0.2O1.9(SDC) electrolyte were prepared using the nitrate-citric acid method. On the basis of Ni-Fe oxides and Ce0.8Sm0.2O1.9 electrolyte, Ni-Fe/SDC composite anode materials were prepared. Meanwhile, their microstructure and other performance-related parameters were also tested.
    采用硝酸盐-柠檬酸法合成了具有高比表面积的一系列Ni-Fe氧化物和电解质Ce0.8Sm0.2O1.9(SDC),利用上述材料制备出固体氧化物燃料电池(SOFC)复合阳极材料Ni-Fe/SDC,并对其微结构和相关性能进行测试.
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  high specific area
These sphere shells are promising candidates for hydrodesulphurization catalyst due to their high specific area and chemical resistance to sulfur.
      
New alternatives for high specific area γ-Al2O3 synthesis
      
HILDA is also used to follow the changes in the adsorptive energy distribution that occur with annealing a high specific area sodium chloride sample.
      
Interfacial phenomena were assumed to be noticeable owing to the high specific area of this filler.
      
A nano-alumina with high specific area was prepared using a homogeneous precipitation method with titanium dioxide and barium oxide as modifying additives.
      
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Plasma sprayed TiO 2 coatings possess porous nano_phase structure. The grains in the coatings have a particle size ranging from 10 to 150 nm. Moreover, all the three titania coatings investigated, especially one of the coating (Ⅱ), exhibits notable ion implantation properties, such as higher implantation current and electrochemical stability, which is due to their suitable porosity, higher specific area, fine grain and notable grain boundaries. The microstructure and electrochemical properties of...

Plasma sprayed TiO 2 coatings possess porous nano_phase structure. The grains in the coatings have a particle size ranging from 10 to 150 nm. Moreover, all the three titania coatings investigated, especially one of the coating (Ⅱ), exhibits notable ion implantation properties, such as higher implantation current and electrochemical stability, which is due to their suitable porosity, higher specific area, fine grain and notable grain boundaries. The microstructure and electrochemical properties of plasma sprayed titania coatings can be controlled by plasma parameters.

采用等离子喷涂方法制备了TiO2 纳米涂层,研究了其离子注入和抽出特性. 结果表明:等离子喷涂的氧化钛涂层具有多孔性纳米结构,纳米颗粒的尺寸为10 ~150 nm ,主要由锐钛矿和金红石两种物相构成. 在电位扫描范围为1.0~1.5 V,电位扫描速率为20,50 和100 mV/s 时,涂层表现出良好的Li+ 离子注入和抽出特性. 循环伏安试验表明氧化钛纳米涂层具有良好的电化学稳定性.

The high-specific surface area activated carbon was prepared from mixture of bamboo char which was carbonization in different temperature under isolation air and KOH.The effects of the carbonization temperature ,the quality ratio between potassium and bamboo char,activation temperature and activation time on specific capacitance of high-specific area activated carbon and charge-discharge property of electric double-layer capacitor were discussed.The results show that...

The high-specific surface area activated carbon was prepared from mixture of bamboo char which was carbonization in different temperature under isolation air and KOH.The effects of the carbonization temperature ,the quality ratio between potassium and bamboo char,activation temperature and activation time on specific capacitance of high-specific area activated carbon and charge-discharge property of electric double-layer capacitor were discussed.The results show that the specific capacitance of high surface area activated carbon can reach 55 F/g when controlling suitable carbonization and activation technology condition and the electric double-layer capacitor used the activated carbon as electrode materials have good charge/discharge properties and cycling property.Because the eletric double-layer capacitor has high inner resistance,its capacitance drop quickly when discharging at big current.

竹节在隔绝空气的条件下 ,经不同温度炭化处理后与 KOH混合 ,制取竹节基高比表面积活性炭。考察了炭化温度、KOH与竹节炭的质量比、活化温度和活化时间对所得高比表面积活性炭比电容的影响和组装的双电层电容器的充放电特性。研究结果表明 ,控制适宜的炭化、活化工艺条件可制得比电容达 5 5 F/ g的竹节基高比表面积活性炭 ,由它组装的双电层电容器具有良好的充放电性能和循环性能。但内阻过高 ,大电流下充放电时电容量下降过大

Spineltyped LixMn2O4 compounds were synthesized by rheologic phase reaction using a mixture of LiNO3 and selfprepared γMnO2 or electrolytic MnO2 and LiNO3 as raw materials. The effects of reaction conditions such as manganese dioxides used and the molar ratio of LiNO3 to MnO2 in raw materials, on the structures, specific area, charge/discharge capacities and other properties of products were investigated by XRD, SEM, TG and DSC. The results show that a homogeneous LixMn2O4 synthesized...

Spineltyped LixMn2O4 compounds were synthesized by rheologic phase reaction using a mixture of LiNO3 and selfprepared γMnO2 or electrolytic MnO2 and LiNO3 as raw materials. The effects of reaction conditions such as manganese dioxides used and the molar ratio of LiNO3 to MnO2 in raw materials, on the structures, specific area, charge/discharge capacities and other properties of products were investigated by XRD, SEM, TG and DSC. The results show that a homogeneous LixMn2O4 synthesized form γMnO2 has higher specific area caused by small particle diameter and higher charge/discharge capacities than that prepared from EMD. The lattice parameter decreases with the increase of n(Li)/n(Mn) when n(Li)/n(Mn) varies in the range of 0.500.55.

以自制γ MnO2(SPDM)和电解二氧化锰(EDM)为原料,采用流变相法合成了尖晶石型锂锰氧材料。应用XRD,SEM,TG和DSC等手段研究了原材料性质和配比等因素对合成尖晶石型锂锰氧的结构、粒径、比表面积以及充、放电性能的影响。结果表明,采用流变相法在700~760℃下,反应12h即可得到均相、无杂质、锰平均氧化价态接近3.5的LixMn2O4正极材料;以SPDM为锰源较EMD为锰源在相同条件下合成的尖晶石材料的首次充、放电容量更高,比表面积更大,粒度更小;当原材料中n(Li)/n(Mn)在一定范围内变化时,合成的锂锰氧的晶格常数随材料中锂与锰摩尔比的增大而减小。

 
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