能量密度

发布时间:2010-10-22   来源:文档文库   
字号:
能量密度
能量密度(Energy density)是指在一定的空间质量物质中储存能量的大小。 完全能量密度
此表给出了完整系统的能量密度, 包含了一切必要的外部条件,如氧化剂和热源。 能量密度表: 存储形式 质量能量密度 (MJ/kg 容积能量密度 (MJ/L Peak recovery efficiency % Practical recovery efficiency %

质能等价
89,876,000,000 645,000,000

核聚变(太阳的能量来源 Deuterium-Tritium fusion 核裂变 (100% -235 (用于核武器 天然铀 (99.3% U-238, 0.7% U-235用于快滋生反应器[2] 浓缩铀 (3.5% U235 用于水反应堆


337,000,000

88,250,000 1,500,000,000

24,000,000
50% 3,456,000
30%
Hf-178m2 isomer Pu-238 a-decay 天然铀 (0.7% U235 用于 轻水反应 Ta-180m isomer Specific orbital energy of Low Earth orbit (approximate Cl2O7 + CH4 - 计算 Cl2O7分解---计算值 硝基甲烷 八硝基立方烷炸药--计算值 Tetranitrotetrahedrane explosive - computed 1,326,000 17,649,060



15,500,000 443,000


30% 41,340 689,964

33

17.4

12.2

11.3 8.5 12.9 17



8.3


Heptanitrocubane explosive - computed Dinitroacetylene explosive - computed (和氯反应 Tetranitrocubane explosive - computed Ammonal (Al+NH4NO3 oxidizer Tetranitromethane + hydrazine bipropellant - computed Hexanitrobenzene explosive - computed 奥克托今 炸药 - 算值
8.2

7.9

7.0349

6.95

6.9 12.7

6.6

6.5

6.3


ANFO-ANNM 三硝基甲 [Kinney, G.F.K.J. Graham1985).Explosive shocks in airSpringer-VerlagISBN 3-540-15147-8 ] Copper Thermite (Al + CuO as oxidizer Thermite (powder Al + Fe2O3 as oxidizer 过氧化氢分解 (as monopropellant 纳米线电
6.26 4.610
6.92



4.13 20.9

4.00 18.4

2.7 3.8

2.54 29

95%Template:Clarify[3]

battery, Lithium Thionyl Chloride (LiSOCl2 [4] 2.5


220.64 bar, 373.8°CTemplate:Clarify Kinetic energy penetrator Template:Clarify battery, Fluoride ion 氢闭循环燃料电池[5]sm=n (有毒分解 (as monopropellant 硝酸铵 (as monopropellant 电容 EEStor生产 (宣称值 [6] Thermal Energy Capacity of Molten Salt Molecular spring a1.968 0.708

1.9 30

1.7 2.8

1.62

1.6 1.6

1.4 2.5

1.2 5.7 99% 99% 1
98%[7] 1


pproximate battery, Sodium Sulfur battery, Lithium-manganese 锂离子电 battery, Lithium Sulphur battery(Sodium Nickel Chloride]], High Temperature battery, Silver-oxide Flywheel 5.56x45 NATO子弹Template:Clarify 镍氢电池,消费产品的低功率产品 battery, Zinc-mang0 1.23

85%[8] 0.83-1.01 1.98-2.09

0.46-0.72 0.83-0.9
95% 1.26 1.26

0.56

0.47 1.8

0.36-0.5 0.4
3.2



0.4 1.55

0.4-0.59 1.15-1.43


anese (alkaline, long life design battery, Zinc Bromine flow (ZnBr battery, Nickel metal hydride (NiMH, High Power design as used in cars battery, Nickel cadmium (NiCd battery, Zinc-Carbon battery, Lead acid battery, Vanadium redox battery, Vanadium Bromide redox Capacitor Ultracap0.27





0.250 0.493

0.14 1.08
80% 0.13 0.331

0.14 0.36

0.09 0.1188
7070-75% 0.18 0.252

80%-90%[9] 0.0199 [10] 0.050


acitor Capacitor Supercapacitor Superconducting magnetic energy storage Capacitor 0.01

80%-98.5%[11] 39%-70%[12]

0.008 [13]
>95% 0.002 [14] 0.0003 [15]

Spring power (clock spring, torsion spring Storage type 0.0006

Energy density by mass (MJ/kg Energy density by volume (MJ/L Peak recovery efficiency % Practical recovery efficiency % 电池的平均单位体积或质量所释放出的电能。一般在相同体积下,锂离子电池的能量密度是镍镉电池2.5倍,是镍氢电池的1.8倍,因此在电池容量相等的情况下,锂离子电池就会比镍镉、镍氢电池的体积更小,重量更轻。 在食品营养学的角度上,能量密度是指每克食物所含的能量,这与食品的水分和脂肪含量密切有关。食品的水分含量高则能量密度低、脂肪含量高则能量密度高。


本文来源:https://www.2haoxitong.net/k/doc/1440359951e79b8968022633.html

《能量密度.doc》
将本文的Word文档下载到电脑,方便收藏和打印
推荐度:
点击下载文档

文档为doc格式