误差率:
分辨率:
5%重现性:
仪器原理9/p>其他
分散方式9/p>
测量时间9/p>1分钟
测量范围9/p>20?/span>
看了粉末自动压实密度仪的满足的标准的用户又看亅/p>
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粉末自动压实密度仪的满足的标凅/strong>
1.定义9/span>Definition
压实密度的计算公式:压实密度=面密?/span>/材料的厚?/span>
在锂离子电池设计过程中,压实密度=面密?/span>/(极片碾压后的厚度—集流体厚度),单位:g/cm3
Compaction density calculation formula: the compaction density =surface density/ thickness of material
In the process of lithium ion battery design, compaction density = surface density / (The thickness of the pole plate after crushing current collector thickness), unit: g/cm3
压实密度分为:负极压实密?/span>Anode density(或称为阳极压实密度)和正极压实密度Cathode density(或称为阴极压实密度)、/span>
Compaction density is divided into: the cathode compaction density (or is called the Anode compaction density) and the Anode compaction density (or called the Cathode compaction density)
粉末自动压实密度仪的满足的标凅/strong>
事/span>.原理: Principle:
锂离子动力电池在制作过程中,压实密度对电池性能有较大的影响,压实密度与片比容量,效率,内阻,以及电池循环性能有密切的关系、/span>
In the process of making lithium ion power battery, The compacting density has a large effect on battery performance.The test results show that the compaction density is closely related to specific capacity, efficiency, internal resistance and the performance of the battery cycle.
压实密度越大,电池的容量就能做的越高,所以压实密度也被看做材料能量密度的参考指标之一、/span>
粉末自动压实密度仪的满足的标凅/strong>
丈/span>.适用范围9/span>Scope of application
在外力的压缩过程中,随着粉末的移动和变形,较大的空隙被填充,颗粒间接触面积增大,使原子间产生吸引力且颗粒间的机械楔合作用加强,从而形成具有一定密度和强度的压?/span>.
In the process of the compression of external force, As the movement and deformation of powder, larger gap is filled, The contact area between particles increases, The interatomic appeal and mechanical wedge cooperation between particles will be enhanced, Thus forming a certain density and intensity of compact.
参照标准9/span>GBT 24533-2009锂离子电池石墨类负极材料,附彔/span>L:粉末压实密度的测试方法,
Meet standard: GBT 24533-2009 lithium ion battery graphite type anode materials, appendix L: Test method of powder compaction density,
也可以用于具有类似特性之粉末和颗粒压实密度之测定:/span>
It can also be used for the determination of powder and particle’s compaction density which have similar properties;
囚/span>.功能描述9/span>Function description:
采用液压测量系统+/span>7寸触摸屏咋/span>PC软件控制,荷重单元控制系统采集应力变化数据,可以设置压力、时间数据,位移由位移传感器直读,温湿度数据通过传感器获得,多位数的AD芯片数据的分析,自动模式,手动操作模式并存;标配PC软件可以获得应力与粉体密度关系曲线;时间与粉体屈服强度关系;过程数据的分析和曲线图谱,为生产企业和科研院所研发和改善工艺建立数据模垊/span>.提供中英文两种语言版本、/span>
Adopts hydraulic constant pressureforcing pressure measurement system, 7 inch touch screen and PC software control, High precision load cell stress change control system can precisely collect the stress change data, Date such as pressure, time Can be arbitrarily set, Displacement direct reading by displacement sensor, the temperature and humidity data obtained from the sensor, Multidigit AD chip to ensure data analysis, Automatic mode, Manual mode and Multistage set operating modes coexist; Configuring PC software to obtain the stress and powder density curve;The relationship between the time and the yield strength of the powder;Analysis of process data and curve spectrum , Set up data model for production enterprises and scientific research institutes develop new products and improve the process. Provide both Chinese and English languages.
? 参数资料 parameter
测试项目test project |
技?/span>参数Technical parameter |
分辨玆/span>Accuracy |
1.主压劚/span>Main pressure |
5吨;10吨;20吨;(选购(/span>/ 5 tons; 10 tons; 15 tons; 20 tons(choose to buy) |
传感器:1?/span>/ Sensor: class 1 |
2.位移测量/displacement |
位移传感器系统, precision dial gauge |
0.001mm |
3.位移行程/ Displacement stroke |
0-20mm |
0.1mm |
4.控制系统/ Control system |
液压控制系统pressure control system |
|
5.显示方式/display |
7寸触摸屏+PC软件7 inch touch screen+PC |
|
6.模具mould |
内径9/span>12.8mm;高9/span>25mm:/span>Inner diameter: 12.8mm,height9/span>25mm'/span>customizable(/span> |
0.1mm |
7.脱模方式Demoulding method |
自动automatic |
|
8.保护装置Safety device |
自动诊断、过载保护和急停控制/ Automatic diagnosis, overload protection and emergency stop control |
|
9.温湿度范図/span> Temperature humidity range |
常温-50度;湿度9/span>20%-98%/ Room temperature -50 degrees, humidity9/span>20%-98% |
|
10.时间设置time setting |
0-99.9S |
0.1S |
11.设备管理功能 Device management function |
密码设置及数据管理存?/span> Password settings and data management storage |
|
12.密度倻/span>Density value |
99.99999g/cm3不同样品特性不同密度有所差异 Different samples characteristics have different density. |
3%以内 Less than 3% |
13.形变野/span>Deformation variables |
可测量弹性材料形变量Measure the amount of elastic material deformation |
|
14.天平(选购(/span> High precision test balance(choose to buy) |
0.00001g,量程:120g Accurate to 0.00001g, range: 120g |
0.01% |
15.位移速度Displacement speed |
小于15mm/min |
0.1mm/min |
16.使用环境要求 Environmental requirements |
仪器使用环境要求:工作温度:-10℃-40℃,湿度:≤65%RH Environmental requirements for instruments9/span>working temperature9/span>-10℃-40℃,humidity:≤65%RH |
|
17.电源Power Supply |
380v |
|
18.整机误差uncertainty error |
uncertainty error 3% |
|
选购项目 Choose and buy items |
a.电脑,打印朹/span>b.其他规格模具c.电动抽油装置 d.抽真空装?/span>e.水分?/span>f.真密度仪g.松装密度?/span> h.振实密度?/span>i.延保服务 a-/span>Computer, printer, b.other specifications mold, c.Electric pumping unit, d. vacuum device e. moisture meter f. true density meter g. loose density meter h. tap density meter |
锂离子动力电池在制作过程中,压实密度对电池性能有较大的影响,压实密度与片比容量,效率,内阻,以及电池循环性能有密切的关系
四探针电阻率测试仪是一款主要用于测量粉末材料电阻率试验的专用仪器。四探针电阻率测试仪对于半导体材料的电阻率,一般采用四探针、三探针和扩展电阻。电阻率是反映半导体材料导电性能的重要参数之一。测量电阻率皃/p>
LX-9830G 恒流恒压电压降检测仪详情介绍操作流程及步骤:1. 接通电源,开?. 设置好测试条?