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技術文章您現在的位置:首頁 > 技術文章 > 卡式微量水分測定儀在電池極片行業應用的重要性
卡式微量水分測定儀在電池極片行業應用的重要性
更新時間:2025-12-10   點擊次數:51次

 電池極片水分測定儀是電池生產中重要的的質控設備,直接決定電池的性能、安全可靠性和生產穩定性,是規避批量次品的關鍵。

保障電池核心性能

  • 水分超標會降低電池容量,導致充放電效率下降。

  • 多余水分會破壞電極與電解液的界面穩定性,縮短電池循環壽命。

  • 均勻的水分含量能確保極片一致性,避免電池組內單體性能差異。

規避安全風險

  • 電池充電時,水分會分解產生氫氣、氧氣,導致電池內部壓力升高,引發鼓包、漏液。

  • 特殊情況下,氣體聚集可能導致電池起火、爆炸,水分測定儀可從源頭控制該風險。

  • 水分會加速電極材料腐蝕,影響電池結構完整性,增加安全隱患。

穩定生產工藝

  • 水分含量影響極片涂覆的均勻性和附著力,避免出現掉粉、開裂等工藝缺陷。

  • 指導干燥工藝參數優化,避免過度干燥導引起片脆化,或干燥不足造成水分殘留。

  • 確保極片質量達標,減少后續裝配、注液環節的返工率,降低生產成本。

新一代GY-KSL2000 卡式微量水分測定儀產品特點

1. 庫侖法水分測定儀聯用卡氏加熱爐精度高達ppm

2.采用5寸電容觸摸屏,分辨率800x600清晰度高,操作方便

3.獨立瓶式加熱技術,樣品轉移不污染,無需開封樣品瓶,不吸潮

4.內置中英文界面,更適合國際化機構使用

5.自動漂移檢測技術,可以及時扣除環境及載氣中的水分

GY-KSL2000卡氏水分加熱爐經過數代的升級,在產品穩定性和測試精度以及操作便利性上都有了全新的改變,經過國內上百家用戶的驗證,穩定性和重復性都達到水平,并且多次在于瑞士、日本進口產品的同臺競技過程中以優異的性能和出色的性價比PK掉了對手。現在GY-KSL2000卡氏水分加熱爐,已經應用新能源、硅膠、有機溶劑、高分子材料、三元材料、電池極片、電解液、電池隔膜、鋰離子電池正極材料、有機硅膠、電池芯、電池正極漿料、電解液、鋰電池、電池粉末、電芯、有機硅膠、磷酸鐵鋰、石墨粉、石墨烯礦石、建材、石油化工等不同領域,取得了良好的口碑。

卡氏爐工作原理            

在樣品被高溫加熱后水分和其他易揮發物質氣化后被載氣通過可加熱樣品導出管吹入卡爾費休水分測定儀,由卡爾費休水分測定儀檢測載氣吹入氣體洪的水分,由于卡爾費休水分測定儀和水反應具有性,所以卡爾費休水分測定儀只會檢測吹入氣體中的水分,而不會產生其他干擾。并且連接不同的儀器會進一步提升檢測精度,如連接庫侖法微量水分測定儀,可以檢測至ppm級水分。

冠亞牌卡式微量水分測定儀的應用            

◆ 各種高分子材料,不易溶解的樣品如:各種塑料粒子及塑料制品,醫用器械,人造骨骼、建筑密封膠等等

◆ 樣品與卡爾費休試劑發生副反應如:潤滑油添加劑、發動機油、含有與碘離子發生反應的樣品

◆ 離子電池原料及成品如:各種正負極鋰鹽、隔膜、極片等等

◆ 高溫下樣品水份才能釋放出來

◆ 樣品會污染滴定池(潤滑油脂、高粘度樣品……)

一體化進氣針,及按壓式進氣針升降系統設計,每次進樣只需輕輕一壓,輕松操作,進氣以及樣品導出在同一針頭內實現,無需等待上一個樣品瓶冷卻之后才能更換樣品瓶,且進樣無需開蓋,可以一直保持密封狀態尤其適合,水分含量低以及容易吸潮的樣品。

采用的PID溫控技術,以及進口PT100鉑金溫度傳感器,保證溫度控制的精度,減少因為溫度因素造成的誤差。

冠亞牌卡式微量水分測定儀產品特點:

1GY-KSL2000卡氏加熱爐頂空進樣器,采用空芯進樣針頭設計,一次操作既可以實現載氣輸入,水汽輸出,同時由于新的氣路設計用很小的流量就可以實現水分蒸汽的傳輸,每次進樣只需更換樣品瓶操作方便,無需等待樣品瓶冷卻之后更換瓶蓋。采用經典的庫侖法滴定原理檢測精度可以達到ppm級,非常適合鋰電、塑料粒子、石化等行業對水分檢測要求高的行業。

2、空芯氣針進樣,和帶加熱功能的氣體輸送管路,無死體積水汽不凝結,操作更簡單,同時也很大的提高了儀器的準確性和重復性。

3、溫度可達300℃可以滿足大部分樣品檢測,并且可以輕松檢測需要250-300℃才能釋放水分的樣品,比如鹽類樣品。

4、采用進口氣流流量計,0-100ml/min可調,適合各種水分釋放速度的樣品;

5、 無需等待上一次樣品瓶冷卻之后才能進行下一次樣品測量,更換樣品瓶過程中樣品瓶始終保持密封狀態,測量效率更高更準確,尤其是吸濕性強的樣品無需擔心空氣中水分的干擾。

6、頂空進樣技術,只有氣體進入水分測定儀反應杯,不污染反應杯及電解電極。

7、樣品導出管路可以獨立控溫,可以根據不同的樣品設置不同的溫度,更加的靈活方便。

8、可以根據用戶需求選擇使用氮氣鋼瓶或空氣泵。

9、好的的算法可以準確扣除載氣和環境中的水分,減小樣品誤差。

10、多種終點控制方法,可以選擇漂移終點、電位終點、時間終點等,保證適用于各種環境和樣品。

118種公式、5種方法,結果單位ppm%mg/mgul/kg等等可選,進樣單位gml可選,多種組合讓使用更簡單,無需用戶自己繁瑣的轉換。

12、用戶可自定義的終點電位,適用各種不同配方,不同廠家的試劑,無論進口試劑還是國產試劑接可使用。

13、自定義樣品混合時間可以更有效的讓樣品中的水分充分釋放。

 卡式微量水分測定儀在電池極片行業應用的重要性

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深圳市冠亞技術科技有限公司

深圳市冠亞技術科技有限公司

地址:深圳市南山區科苑西工業園25棟1段三層

版權所有:深圳市冠亞技術科技有限公司  備案號:粵ICP備13045729號  總訪問量:807187  站點地圖  技術支持:化工儀器網  管理登陸

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