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Lithium-Silicon Alloy
鋰硼合金為多孔隙結(jié)構(gòu)的脆性Li7B6基體相和韌性Li填充相組成的一種復(fù)合材料，密度0.88±0.04g/cm3，外觀為銀白色金屬，極不穩(wěn)定，遇空氣易變質(zhì)，遇水反應(yīng)劇烈。鋰硼合金主要應(yīng)用于鋰系熱電池負(fù)極材料，具有高比能量、高比功率和低極化、電化學(xué)電位與純鋰相近，600℃以上仍為固態(tài)等突出優(yōu)點(diǎn)，是新型鋰系熱電池的極佳負(fù)極材料。與目前廣泛使用的鋰硅合金相比，鋰硼合金作為負(fù)極材料所裝配的單元電池在最高電壓和放電工作時間這兩方面具有更好的性能。
Lithium boron alloy is a kind of composite material composed of Li7B6 matrix phase with porous structure and Li toughness filling phase, with a density of 0.88±0.04g/cm3. It has a silver-white metal appearance and is extremely unstable. It is easy to deteriorate when exposed to air and react violently when exposed to water. Lithium boron alloy has advantages of high specific energy, high specific power, low polarization and high melting point, what's more, its electrochemical potential is similar with that of pure lithium, which makes the lithium boron alloy become excellent anode material for the new thermal battery. Compared with the lithium silicon alloy which is widely used in thermal battery at present, the lithium boron alloy as the anode material of thermal battery has better performances in the highest voltage and discharging time.
表面質(zhì)量Surface quality
產(chǎn)品表面光亮、平整、無氧化和油斑，為銀灰色質(zhì)軟金屬帶材。
The product is a soft silver-gray metal chip or strip, the surface of the product is bright and smooth without oxidation and oil spots.
| 牌號 Category | 鋰含量（wt%） Mass fraction of lithium | 鎂含量（wt%） Mass fraction of magnesium | 硼含量（wt%） Mass fraction of boron |
| Li55 | 55±2 | ≤4 | 余量 the residue |
| Li60 | 60±2 | ≤4 | 余量 the residue |
| Li65 | 65±2 | ≤4 | 余量 the residue |
尺寸規(guī)格Dimensions
| 寬度（mm） Width range | 厚度（mm） Thickness range | 寬度允許偏差（mm） Allowable deviation of width | 厚度允許偏差（mm） Allowable deviation of thickness |
| 60~100 | 0.4~1.8 | ±0.2 | ±0.015 |
| 備注：產(chǎn)品尺寸規(guī)格可依據(jù)客戶商定要求確定。 Remark: The dimensions of products can be determined according to customers' requirements. | |||
產(chǎn)品在600℃條件下保持穩(wěn)定固體形態(tài)，無鋰滲漏。
The product is stable without liquid lithium outflowing at 600℃.
包裝采用開頂金屬圓罐或采用鋁塑復(fù)合袋充干燥氬氣密封。本品應(yīng)密閉隔絕空氣保存，注意防潮、防水，遠(yuǎn)離熱源、火源及氧化性物質(zhì)。
The product is packaged with open-top round metal cans or aluminum-plastic composite bag filled with dry argon sealed. The product should be sealed off from air, moisture, water, heat sources, source of ignition and oxidizing substances.
