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   合金化过程 在 电力工业 分类中 的翻译结果: 查询用时:0.069秒
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合金化过程
相关语句
  alloying process
    The electrochemical performance measurement shows that the lithium storage capacity of the composite increases with the addition of Sn, which can be attributed to the reaction of Sn with Li to form LixSn alloys. The volume expansion due to the alloying process is probably buffered by the amorphous graphite matrix.
    由于锡与锂发生可逆反应形成LixSn合金,该材料的储锂容量有所提高,并且柔软的无定形石墨能缓冲合金化过程的体积变化,使结构稳定性得到提高。
  “合金化过程”译为未确定词的双语例句
    The electrochemical characteristics of GaAs, GaSb, InP and InAs are greatly similar. The charge and discharge behavior probably corresponds to alloying and de-alloying process.
    GaAs、GaSb、InP和InAs的脱嵌锂特性比较相似,充放电过程可能对应于合金化与去合金化过程
短句来源
    The appearance and complex permeability e, complex permittivity m of materials are measured by SEM and S parameter vector network analyzing instrument in the frequency of 2~18GHz.
    用扫描电子显微镜、X射线衍射仪以及微波矢量网络分析仪分别观测了机械合金化过程中材料的形貌、相结构以及微波频率下材料的复介电常数e和复磁导率m。
短句来源
    The observed capacity involved in the first discharge and the reversible capacity during subsequent charge-discharge cycles shows that the electrochemical process in CaSnO3 is similar to other Sn-based oxide materials, namely, an initial structural reduction with Sn-metal formation followed by reversible Li-Sn alloy forma- tion.
    从首次放电容量和可逆容量来看,锡酸钙的储锂机制与锡基氧化物材料相似,即:首先是结构的还原并形成金属锡; 然后金属锡与锂发生可逆的合金化与去合金化过程
短句来源
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  alloying process
The intermetallic compound Nd-Fe-Ti-N has been successfully synthesized by a mechanical alloying process.
      
The parameters involved in current models of the mechanical alloying process do not suffice to explain the differences in transformation rates observed here.
      
Toward a Quantitative Understanding of the Mechanical Alloying Process
      
Nanocrystalline Fe25Ni75 powders were prepared by the mechanical alloying process.
      
The samples were prepared by mechanical alloying process, and the average crystal size was determined by X-ray diffraction.
      
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Fe-Si-Al Magnetic alloys are prepared by mechanical alloying. The appearance and complex permeability e, complex permittivity m of materials are measured by SEM and S parameter vector network analyzing instrument in the frequency of 2~18GHz. The characteristics changes of materials in mechanical alloying process are analyzed. The results show that mechanical alloying existed optimum process. These novel materials can be used in EMC systems.

采用机械合金化方法制备了Fe-Si-Al磁性合金。用扫描电子显微镜、X射线衍射仪以及微波矢量网络分析仪分别观测了机械合金化过程中材料的形貌、相结构以及微波频率下材料的复介电常数e和复磁导率m。分析了机械合金化实验过程中材料特性变化的规律。实验证明,Fe-Si-Al的机械合金化有一最佳工艺条件,用机械合金化制备的Fe-Si-Al合金可作为新型的抗电磁干扰材料应用于电磁兼容系统。

CaSnO3 with the perovskite structure was prepared by wet-chemical route and the electrochemical properties as anode material for lithium ion batteries were studied. The wet-chemical method gave narrow distrib- uted nano-crystallites with an average size of about 500 nm for CaSnO3 and was shown to deliver a reversible capacity of 469 mAh·g-1 (0~1.0 V,0.1 C) with good cycling stability(the capacity loss per cycle is only 0.57% for 80 cycles). The observed capacity involved in the first discharge and the reversible...

CaSnO3 with the perovskite structure was prepared by wet-chemical route and the electrochemical properties as anode material for lithium ion batteries were studied. The wet-chemical method gave narrow distrib- uted nano-crystallites with an average size of about 500 nm for CaSnO3 and was shown to deliver a reversible capacity of 469 mAh·g-1 (0~1.0 V,0.1 C) with good cycling stability(the capacity loss per cycle is only 0.57% for 80 cycles). The observed capacity involved in the first discharge and the reversible capacity during subsequent charge-discharge cycles shows that the electrochemical process in CaSnO3 is similar to other Sn-based oxide materials, namely, an initial structural reduction with Sn-metal formation followed by reversible Li-Sn alloy forma- tion. Both the attainable capacity and its retention on charge-discharge cycling are better than the previously rep- orted best-performing bulk Sn-oxide or ATCO starting material, which indicates that the perovskite structure and Ca-ion may play a beneficial role.

采用湿化学方法合成了具有钙钛矿结构的CaSnO3,将其作为锂离子电池的负极活性物质,研究了其电化学性能。结果表明,湿化学方法制备的锡酸钙,粒度分布集中、平均粒径在500nm左右,在0 ̄1.0V之间以0.1C倍率充放电时,其可逆容量达到469mAh·g-1,而且循环性能良好。经80次循环后的容量衰减率只有0.57%。从首次放电容量和可逆容量来看,锡酸钙的储锂机制与锡基氧化物材料相似,即:首先是结构的还原并形成金属锡;然后金属锡与锂发生可逆的合金化与去合金化过程。锡酸钙的可逆容量、循环性能都比文献报道的块状锡氧化物或者是无定型锡基复合氧化物好,这说明钙钛矿结构和钙离子的存在可能对改善锡基负极材料的性能是有益的。

>=Graphite-tin composites were prepared by intensive ball-milling. X-ray diffraction and SEM analysis show that the graphite becomes amorphous and the metal Sn is embedded in the ductile graphite matrix after intensive ball milling. The electrochemical performance measurement shows that the lithium storage capacity of the composite increases with the addition of Sn, which can be attributed to the reaction of Sn with Li to form LixSn alloys. The volume expansion due to the alloying process is probably buffered...

>=Graphite-tin composites were prepared by intensive ball-milling. X-ray diffraction and SEM analysis show that the graphite becomes amorphous and the metal Sn is embedded in the ductile graphite matrix after intensive ball milling. The electrochemical performance measurement shows that the lithium storage capacity of the composite increases with the addition of Sn, which can be attributed to the reaction of Sn with Li to form LixSn alloys. The volume expansion due to the alloying process is probably buffered by the amorphous graphite matrix. The C0.9Sn0.1 electrode presents a discharge capacity of 1 500 mA·h/g in the initial cycle, and a stable capacity of 580 -600 mA · h/g in the following cycles. The lithium storage capacity of 575 mA · h/g is still remained after 50 cycles. The combination of C and Sn can be used as an anode material with high capacity for lithium-ion batteries.

采用高能球磨法制备石墨-锡复合物材料,采用扫描电镜和X射线衍射分析复合物材料的结构,对模拟电池的电化学性能进行测试。结果表明:经过高能球磨后,石墨变为无定形结构,金属锡与柔软的石墨基体形成复合物材料。由于锡与锂发生可逆反应形成LixSn合金,该材料的储锂容量有所提高,并且柔软的无定形石墨能缓冲合金化过程的体积变化,使结构稳定性得到提高。C0.9Sn0.1复合物材料的首次放电容量达1 500mA·h/g,稳定容量在580-600 mA·h/g之间,循环50次之后。容量还保持在575 mA·h/g,表明其循环性能优异。这种碳一锡复合物材料可作为锂离子电池的高容量储锂负极材料。

 
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