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Применить Всего найдено 2. Отображено 2.
07-04-2023 дата публикации

Lithium battery diaphragm based on lithium titanium aluminum phosphate and mullite fiber and preparation method thereof

Номер: CN115939667A
Автор: YUAN HAICHAO, XU FENG, BAI ZIHANG, SU BIHAI, TIAN HAILONG
Принадлежит:

The invention discloses a preparation method of a lithium battery diaphragm based on lithium titanium aluminum phosphate and mullite fiber, which comprises the following steps: uniformly stirring a dispersing agent, water, lithium titanium aluminum phosphate and mullite fiber, performing ultrasonic treatment, adding an adhesive, mixing, and performing ultrasonic treatment to obtain lithium battery diaphragm coating slurry; the surface of a base membrane is coated with the obtained lithium battery diaphragm coating slurry in a single-face or double-face mode, a coating is formed on the surface of the base membrane, and a coated diaphragm is obtained; and pulling the coated diaphragm into a drying oven through a traction roller for drying, and rolling to obtain the high-temperature-resistant lithium battery diaphragm. According to the high-temperature-resistant lithium supplement battery diaphragm, the high-strength, high-shock-resistance and high-temperature-resistant mullite fibers are ...

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Номер записи: 1
25-08-2023 дата публикации

Diaphragm based on linear low density polyethylene and metallocene polyethylene as well as preparation method and application of diaphragm

Номер: CN116646680A
Автор: YUAN HAICHAO, XU FENG, BAI ZIHANG, SU BIHAI, TIAN HAILONG, XING PENG, WANG JIANHUA, LI WEI, CHOI HEE-JUNG, ZHAO DONG, WANG LIANGLIANG, TIAN SHUAIQI, WANG TENGFEI, WANG XINRUI, ZHOU XIN
Принадлежит:

The invention discloses a diaphragm based on linear low density polyethylene and metallocene polyethylene as well as a preparation method and application of the diaphragm, the diaphragm comprises the linear low density polyethylene and the metallocene polyethylene at the same time, and the diaphragm can comprise a base film and a coating covering the base film, the coating comprises linear low density polyethylene and metallocene polyethylene. The linear low-density polyethylene and the metallocene polyethylene are used on the surface of the base film, the heat resistance and puncture resistance of the diaphragm can be effectively improved, compared with other slurry, the slurry can effectively reduce the coating thickness by using an extrusion coating process, and then the thickness of the diaphragm is reduced, so that the condition that the diaphragm is punctured by burrs is improved, and the service life of the diaphragm is prolonged. And the durability of the battery and the cruising ...

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Номер записи: 2