太阳能多晶硅

采用大功率连续CO2激光熔凝掳粉末，生长得到纯度较高的太阳能多晶硅材料。

The solar energy polycrystalline silicon having higher purity grew through melting and coagulating silicon powder with high power CW CO2 laser .

例如，高纯锌的蒸馏，以及锌还原法生产太阳能多晶硅的工艺中。

For example , high purity zinc distillation , and zinc reduction method in the process of polysilicon production .

广泛应用在太阳能多晶硅铸锭系统及金属合金的定向凝固系统中。

The heat conducting graphite block is widely applicable to solar multicrystalline silicon ingot production systems and directional solidification systems for metal alloys .

在实验中获得了杂质浓度低且呈较整齐分布的技状晶太阳能多晶硅材料。

The solar energy polycrystalline silicon material in which impurity concentration is low and the distribution of column crystalline is uniform was obtained in experiment .

最终成功制备出纯度为5N-6N的太阳能级多晶硅铸锭。

SoG-Si ingot with the final purity of 5N-6N has been prepared successfully .

太阳能级多晶硅冶金制备技术的研究进展

Advance in Research on Upgrading of Solar Grade Silicon with Metallurgical Technology

氧化物对准晶体管工艺冶金法制备太阳能级多晶硅新工艺原理及研究进展

New Process Principle and Research Advances of Production of Solar Grade Poly Silicon by Metallurgical Method

定向凝固工艺是物理冶金法制备太阳能级多晶硅的一个重要环节。

Directional solidification process is an important part that of the physical metallurgy of solar energy polysilicon .

冶金法制备太阳能级多晶硅工艺研究生产工艺：湿法、火法冶炼回收、机械处理回收。

Physical Metallurgical Method to Produce Solar-grade Silicon ; Technologies : Zinc process , electrolysis process , mechanical process and metallurgy process .

中国商务部星期五宣布，将调查美国和韩国是否以非正常的低价格在中国市场销售太阳能级多晶硅。

The Ministry of Commerce announced Friday that it will investigate whether U.S. and South Korea sold the kind of polysilicon used to produce solar batteries at artificially low prices in China .

中国启动了针对从欧盟进口的太阳能级多晶硅（太阳能电池板的组分之一）的贸易调查，此举进一步加剧了中国与西方在可再生能源方面的贸易争端。

China has launched a trade investigation into imports of solar-grade polysilicon an ingredient in solar panels from the EU , escalating the trade disputes between China and the West over renewable energy .

中国商务部昨日宣布的这起最新调查，涵盖了对于由欧盟出口的太阳能级多晶硅的倾销与补贴指控，这一调查将与对美国和韩国的调查合并处理。

The latest investigation , announced yesterday by the Chinese commerce ministry , covers allegations of dumping and subsidies in solar-grade polysilicon exported by the EU , and will be wrapped into the US and Korea probe .

根据中国海关的数据，去年中国从欧盟成员国进口的多晶硅总价值达至少8.7亿美元，这个数据并不区分太阳能级多晶硅和不在贸易调查范围内的其它品级的多晶硅。

Last year , Chinese imports of polysilicon from EU member countries were worth at least $ 870m , according to Chinese customs data , which does not differentiate between solar-grade polysilicon and other types of polysilicon not covered in the trade case .

定向凝固技术因为不仅可以用于太阳能级多晶硅铸锭的制备，而且可以用于去除硅中的分凝系数较小的金属杂质，而成为冶金法提纯多晶硅技术的研究重点。

Directional solidification can not only be used to produce SoG-Si ingot for solar cells , but also be used to remove the metal impurities with small segregation coefficient , so it has become the research emphases of purification of MG-Si by the metallurgical method .

因为冶金法以大量的低成本的冶金级硅为原料直接制备太阳能级多晶硅，并具有生产周期短、污染小、成本低的特点，因而其成为各国竞相研发的重点。

Because metallurgical method used large amount and low price metallurgical grade silicon ( MG-Si ) as feedstock to fabricate SoG-Si , and it has short production cycle , small pollution and low cost , it has become the research and development focus of each country .

作为光伏产业当中最基础的部分，太阳能级多晶硅的需求量随着太阳能电池产量的增加而不断增加，多晶硅提纯制备技术的研发成为各国普遍关注的研究热点。

As the most basic part of the photovoltaic industry , the increasing in production of solar cells contributes to the increasing demand for solar grade polysilicon , which makes the technology for polysilicon purification and preparation become one of the hottest research point in the world .

用于太阳能电池的多晶硅锭片晶体学特征研究

Crystallographic Features Study of Polycrystalline Silicon Ingot for Solar Cells

太阳能电池：多晶硅，使用寿命长达10年。

Solar battery : crystal solar cell , life time > 10 years .

太阳能电池及多晶硅的生产

Solar cell and production of polysilicon

该灯以单晶硅太阳能电池或多晶硅太阳能电池为能源；

This lamp is the sources of energy with monocrystalline silicon solar energy cell or polycrystalline silicon solar energy cell ;

中国已宣布对从美国进口的太阳能电池原料多晶硅启动反倾销调查，此举明显意在报复。

In an apparently retaliatory move , China has announced an antidumping investigation into imports from the US of polysilicon , the material used to make solar cells .

用于太阳能电池板的多晶硅的多数生产商，每销售一公斤都在赔钱；

Most makers of the polysilicon for these panels lose money on every kilogramme they sell ;

太阳能作为开发前景最好的绿色能源被世界各国重视和大力推广，导致用于太阳能转换的多晶硅的用量急剧增加。

Solar energy is largely developed as a well-potential and green energy all over the world , which drives the development of polysilicon used for the conversion of solar energy .