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產品展示/PRODUCTS
鋰電池粉末自動壓實密度儀廠家
工作原理
壓實密度(compacted density)
一. 定義：Definition
壓實密度的計算公式：壓實密度=面密度/材料的厚度
在鋰離子電池設計過程中，壓實密度=面密度/(極片碾壓后的厚度—集流體厚度) ，單位：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
鋰電池粉末自動壓實密度儀廠家
產品特點
壓實密度分為：負極壓實密度Anode density（或稱為陽極壓實密度）和正極壓實密度Cathode density（或稱為陰極壓實密度）。
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)
二. 原理: Principle:
鋰離子動力電池在制作過程中，壓實密度對電池性能有較大的影響。通過實驗證明，壓實密度與片比容量，效率，內阻，以及電池循環性能有密切的關系。
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.
找出*佳壓實密度對電池設計很重要。一般來說，壓實密度越大，電池的容量就能做的越高，所以壓實密度也被看做材料能量密度的參考指標。
It is important to find the optimal compaction density for battery design.Generally speaking, the higher the density, the higher the capacity of the battery, so the compacted density is also seen as a reference indicator of the energy density of the material.
壓實密度不光和顆粒的大小、密度有關系，還和粒子的級配有關系，壓實密度大的一般都有很好的粒子正態分布。可以認為，工藝條件一定的條件下，壓實密度越大，電池的容量越高。
The compaction density is not only related to the size ａnd density of the particle, but also related to the level of the particle, Normally, High compaction density has a good particle normal distribution.It can be said that under certain conditions ,The higher density of the battery, the higher capacity of the battery.
合適的正極壓實密度可以增大電池的放電容量，減小內阻，減小極化損失，延長電池的循環壽命，提高鋰離子電池的利用率。在壓實密度過大或過小時，不利于鋰離子的嵌入嵌出。
The proper positive electrode compaction density can increase the discharge capacity of the battery, reduce the internal resistance, reduce the loss of polarization, extend the cycle life of battery, Improve the utilization rate of lithium ion batteries. If the The compacted density is too large or too small , It is bad for the embedding of lithium ions.
鋰電池粉末自動壓實密度儀廠家
適用范圍
三.適用范圍：Scope of application
在外力的壓縮過程中，隨著粉末的移動和變形，較大的空隙被填充，顆粒間接觸面積增大，使原子間產生吸引力且顆粒間的機械楔合作用增強，從而形成具有一定密度和強度的壓坯.
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.
滿足標準：GBT 24533-2009 鋰離子電池石墨類負極材料，附錄L:粉末壓實密度的測試方法，
Meet standard: GBT 24533-2009 lithium ion battery graphite type anode materials, appendix L: Test method of powder compaction density,
也可以用于具有類似特性之粉末和顆粒壓實密度之測定；上粉末和顆粒測試方法相通。
It can also be used for the determination of powder ａnd particle’s compaction density which have similar properties; The test methods of powder ａnd particle are similar internationally.
四.功能描述：Function description:
采用液壓恒壓加壓測量系統，7寸觸摸屏和PC軟件控制，高精度荷重單元控制系統能精確采集應力變化數據，可以任意設置壓力、時間數據，位移由位移傳感器直讀，溫濕度數據通過傳感器獲得，多位數的AD芯片來保障數據的分析，全自動模式，手動操作模式及多段設置操作模式并存；配置PC軟件可以獲得應力與粉體密度關系曲線；時間與粉體屈服強度關系；過程數據的分析和曲線圖譜，為生產企業和科研院所研發新品和改善工藝建立數據模型.提供中英文兩種語言版本。
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.
| 測試項目/test project | 技術 參數/ Technical parameter | 分辨率/Accuracy |
| 1.主壓力/ Main pressure | 5噸；10噸；15噸；20噸；（選購）/ 1 tons; 5 tons; 10 tons; 15 tons; 20 tons(choose to buy) | 傳感器：1級/ Sensor: class 1
|
| 2.位移測量/ displacement | 高精度位移傳感器系統， High precision dial gauge | 0.001mm |
| 3.位移行程/ Displacement stroke | 0-60mm（可根據客戶要求定做）/( Can be customized according to customer requirements) | 0.1mm |
| 4. 控制系統/ Control system | 液壓恒壓控制系統/ Hydraulic constant pressure control system |
|
| 5.顯示方式/display | 7寸觸摸屏/7 inch touch screen |
|
| 6. 模具/ mould | 內徑：12.8mm；高：25mm（可定制）/ Inner diameter: 30mm,height：25mm（customizable） | 0.1mm |
| 7.脫模方式/ Demoulding method | 自動/ automatic |
|
| 8.安全裝置/ Safety device | 自動診斷、過載保護和急�？刂�/ Automatic diagnosis, overload protection ａnd emergency stop control |
|
| 9.溫濕度范圍/ Temperature humidity range | 常溫-50度；濕度：20%-98%/ Room temperature -50 degrees, humidity：20%-98% |
|
| 10.時間設置/ time setting | 0-99.9S | 0.1S |
| 11.設備管理功能/ Device management function | 密碼設置及數據管理存儲/ Password settings ａnd data management storage |
|
| 12.密度值/ Density value | 99.99999g/cm3 不同樣品特性不同密度有所差異/ Different samples characteristics have different density. | 3%以內/ Less than 3% |
| 13.高精度測試天平（選購）/ High precision test balance(choose to buy) | 精確到0.00001g，量程：120g/ Accurate to 0.00001g, range: 120g | 0.01% |
| 14.位移速度/ Displacement speed | 約15mm/min | 0.1mm/min |
| 12.使用環境要求/ Environmental requirements | 儀器使用環境要求：工作溫度：-10℃－40℃，濕度：≤65%RH Environmental requirements for instruments：working temperature：-10℃－40℃，humidity：≤65%RH
|
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| 13.電源/ Power Supply | 220V 50HZ或者380v/220V 50HZ or 380v
|
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| 14. 整機不確定性誤差/ Machine uncertainty error | 整機不確定性誤差3%/ Machine uncertainty error 3% |
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| 1. 選購項目 Choose ａnd buy items | 電腦，打印機，其他規格模具 Computer, printer, other specifications mold |
|
更新時間：2024/9/14 9:09:12
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