Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 8. Отображено 8.
30-07-2020 дата публикации

LITHIUM BATTERY SEPARATOR AND PREPARATION METHOD THEREFOR

Номер: WO2020151357A1
Автор: HE, Weidong, HAN, Yupei, ZHEN, Cheng, DING, Xianbo, CHEN, Taibao, ZHOU, Mei
Принадлежит:

Disclosed is a lithium battery separator, comprising the following components in percentages by mass: 90-99.9% of a film-forming polymer, and 0.1-10% of a natural organic additive containing a thioether compound and/or a thiol compound and/or a sulfonic acid compound, wherein the film-forming polymer is polyvinylidene fluoride-hexafluoropropylene and/or polyvinylidene fluoride, and the natural organic additive is a dry natural organic powder. Also disclosed is a method for preparing the lithium battery separator. In the present invention, the natural organic additive containing a thioether compound and/or a thiol compound and/or a sulfonic acid compound is added to the film-forming polymer, wherein the film-forming polymer is of a cross-linked network structure, and molecular chains thereof are inserted into the pores of the natural organic powder, and the natural organic powder forms a linkage in the cross-linked network structure. The strength of the lithium battery separator is thus ...

Подробнее
Номер записи: 1
04-08-2023 дата публикации

Lithium supplement additive, positive electrode slurry and positive electrode of negative-electrode-free lithium metal battery

Номер: CN116544535A
Автор: DONG LIWEI, LIU YUANPENG, ZHANG SHUHAO, LEI ZUOTAO, HE WEIDONG, YANG CHUNHUI
Принадлежит:

The invention provides a lithium supplement additive of a negative-electrode-free lithium metal battery, positive electrode slurry and a positive electrode, and belongs to the field of negative-electrode-free lithium metal batteries. The lithium supplement additive comprises any one of lithium benzoate, lithium phenylacetate, lithium phenylpropionate, lithium phenylbutyrate, lithium phenyl isobutyrate, lithium o-hydroxybenzoate, lithium m-hydroxybenzoate, lithium p-hydroxybenzoate, lithium phthalate, lithium m-phthalate, lithium o-phenylenediacetate, lithium m-phenylenediacetate and lithium p-phenylenediacetate; therefore, the lithium supplement additive is adopted to supplement active lithium for the battery, and due to the addition of the lithium supplement additive, the generation of a large amount of LiF on the surfaces of the positive electrode and the negative electrode can be promoted in the battery circulation process, and the stability of a positive electrode CEI layer is improved ...

Подробнее
Номер записи: 2
30-05-2023 дата публикации

Reusable mask filter element as well as preparation method and application thereof

Номер: CN116180435A
Автор: HE WEIDONG, LI QUN, LIU YUANPENG, DONG YUNFA, ZHOU SHENGYU, YANG CHUNHUI, HAN JIECAI
Принадлежит:

The invention discloses a reusable mask filter element as well as a preparation method and application thereof. The invention belongs to the field of protective masks. The disposable mask aims at solving the technical problems that an existing disposable mask is short in use time, low in protection effect, discontinuous in sterilization effect and airtight. According to the mask filter element, the non-woven fabric serves as a substrate, the activated carbon is adsorbed on the non-woven fabric, and the nano titanium dioxide grows on the activated carbon in situ. The method comprises the following steps: firstly, soaking the activated carbon and the non-woven fabric in dilute acid, then adding a precursor solution, continuously stirring, and then transferring into a reaction kettle for hydrothermal reaction to obtain the reusable mask filter element. According to the invention, in-situ growth of nano titanium dioxide on the surface of the activated carbon is innovatively proposed, and the ...

Подробнее
Номер записи: 3
27-06-2023 дата публикации

Vacancy composite diaphragm, preparation method and application thereof, lithium-based liquid battery based on vacancy composite diaphragm, and solid-state battery

Номер: CN116345065A
Автор: HE WEIDONG, DONG YUNFA, LIU YUANPENG, ZHONG SHIJIE, HAN JIECAI, YANG CHUNHUI
Принадлежит:

The invention discloses a vacancy composite diaphragm, a preparation method and application thereof, a lithium-based liquid battery based on the vacancy composite diaphragm, and a solid-state battery. The invention belongs to the field of lithium battery diaphragms. The invention aims to solve the technical problems that the existing lithium-based battery cannot realize synchronous improvement of lithium ion conductivity and lithium ion transference number, and the existing modification method of directly coating ceramic particles or taking the ceramic particles as a filler causes blockage of pores of a diaphragm, so that high rate performance and long cycle stability of the lithium ion battery are not facilitated. According to the preparation method, the Te-rich vacancy particles are added into the diaphragm base material, so that the vacancy composite diaphragm which is uniform in pore diameter, accurate and controllable in thickness, high in lithium ion conductivity, high in lithium ...

Подробнее
Номер записи: 4
06-06-2023 дата публикации

Blood pressure and pulse measuring device for internal medicine nursing

Номер: CN116211269A
Автор: PANG WENQUAN, XU YIJUN, WANG JIN, HU XINLIN, LI HONG, ZHANG YING, HE WEIDONG
Принадлежит:

The invention discloses a blood pressure and pulse measuring device for internal medicine nursing, and relates to the field of medical instruments, the blood pressure and pulse measuring device comprises a mounting seat, two fixing mechanisms are arranged on the front side surface of the mounting seat, and measuring instrument bodies are arranged on the two fixing mechanisms. The fixing mechanism is connected with the mounting seat, so that when the device is used for mounting the detector body, a user can firstly fix the mounting seat on a wall between two sickbeds by using screws and mounting holes, then the user can control an output shaft of a motor to rotate forwards through a wireless controller, and a first belt pulley is used for driving a screw rod to rotate forwards; when the screw rotates forwards, the placement frame is driven to move downwards through the nut, when the placement frame moves downwards to a proper height, the motor stops working, and then a user can place the ...

Подробнее
Номер записи: 5
13-06-2023 дата публикации

Ceramic filter membrane with hierarchical porous structure as well as preparation method and application of ceramic filter membrane

Номер: CN116251485A
Автор: HE WEIDONG, ZHOU SHENGYU, LIU YUANPENG, DONG YUNFA, LI QUN, YANG CHUNHUI, HAN JIECAI
Принадлежит:

The invention discloses a ceramic filter membrane with a hierarchical porous structure as well as a preparation method and application thereof. The invention belongs to the field of porous filter membranes. The invention aims to solve the technical problems that the existing porous filter membrane is single in pore structure and large in serial space demand of a multi-stage filter system. According to the ceramic filter membrane with the graded porous structure, nano ceramic serves as a main body material, thermal decomposition salt or an organic polymer serves as a pore-forming agent, the thickness is controllable, the pore diameter is uniform and adjustable, graded distribution is achieved by adjusting and controlling the adding amount of the pore-forming agent and the inorganic binder, and by adjusting the graded porous structure of the ceramic filter membrane, the pore diameter is uniform and adjustable. And integration and miniaturization of the function of intercepting different impurities ...

Подробнее
Номер записи: 6
04-07-2023 дата публикации

Integrally-formed connecting piece and forming device thereof

Номер: CN116379010A
Автор: HE WEIDONG, HAN FEI, ZHOU LEI
Принадлежит:

The integrally-formed connecting piece comprises a rectangular plate, a guide hole, a guide pipe, folded edges and a mounting hole, the coaxial guide hole is formed in the middle of the rectangular plate, the coaxial guide pipe is arranged at an upper end opening of the guide hole, the guide pipe is formed by bending the rectangular plate on the edge of the guide hole upwards, and the four edges of the rectangular plate are bent upwards to form the folded edges. Mounting holes are formed in four corners of the rectangular plate. The air exhaust pipe is simple in structure and reasonable in design, the integrally-formed connecting piece can guide airflow at the air exhaust end of the fan, and even if a connecting bolt between the air exhaust end opening of the fan and the air inlet end opening of the air exhaust pipe is loosened, the airflow blown out of the fan is not prone to side leakage from a gap between the air exhaust end opening of the fan and the air inlet end opening of the air ...

Подробнее
Номер записи: 7
23-05-2023 дата публикации

Wide-temperature-range lithium ion battery electrolyte as well as preparation method and application thereof

Номер: CN116154298A
Автор: HE WEIDONG, LIU JIPENG, LIU YUANPENG, YUAN BOTAO, HE NIANDONG, HAN JIECAI, YANG CHUNHUI, DONG YUNFA
Принадлежит:

The invention discloses a wide-temperature-range lithium ion battery electrolyte and a preparation method and application thereof. The invention belongs to the field of lithium ion battery electrolyte. The invention aims to solve the technical problem that the working temperature range of the lithium ion battery is narrow due to serious low-temperature lithium precipitation, serious high-temperature gas production and large volume expansion of the existing lithium ion battery electrolyte. The wide-temperature-range lithium ion battery electrolyte is prepared from a lithium salt and a mixed solvent, wherein the mixed solvent is prepared from 10 to 30 vol% of fluoroethylene carbonate, 10 to 50 vol% of fluorobenzyl cyanide and 20 to 80 vol% of isobutyl formate. The working temperature range of a lithium ion battery assembled by the wide-temperature-range lithium ion battery electrolyte is-70 DEG C to 100 DEG C. The problems that the lithium battery electrolyte is high in viscosity, high in ...

Подробнее
Номер записи: 8