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 7. Отображено 7.
25-08-2023 дата публикации

Low-power-consumption graphite crucible for single crystal furnace

Номер: CN116641129A
Автор: YAO WEIZHONG, LU GUILIN, ZHANG YANHUI, ZHAO FEI
Принадлежит:

The invention relates to a low-power-consumption graphite crucible for a single crystal furnace, which is used for supporting a quartz crucible in which an active raw polycrystalline silicon material is stored, the upper half part of the quartz crucible is filled with a large-particle-size silicon material, the lower half part of the quartz crucible is paved with a small-particle-size silicon material, and the graphite crucible is provided with a crucible body. Uniformly distributed large regular hexagonal holes are circumferentially formed in the outer wall of the upper half part of the crucible body, uniformly distributed small regular hexagonal holes are circumferentially formed in the outer wall of the lower half part of the crucible body, and the diameter of an inscribed circle of each large regular hexagonal hole is larger than that of an inscribed circle of each small regular hexagonal hole. The orthohexagonal holes are formed in the crucible body wall of the graphite crucible, so ...

Подробнее
Номер записи: 1
26-05-2023 дата публикации

Regeneration method of integrated waste lithium ion battery layered positive electrode material

Номер: CN116169391A
Автор: QIAN JIANGFENG, WU CHEN, ZHANG FENGXUE, ZHANG YANHUI, ZHAI JIANMING, XU MINGLI, AI XINPING
Принадлежит:

The invention discloses a method for repairing and regenerating an integrated waste lithium ion battery layered positive electrode material, which comprises the following steps of: (1) completely discharging a recycled waste lithium ion battery, disassembling, separating and collecting black powder containing a layered positive electrode active material, namely positive electrode black powder; (2) adding a lithiation reagent into the collected positive electrode black powder at normal temperature and normal pressure, stirring and reacting for 1-4 hours, centrifuging, washing and drying to obtain lithiated regenerated positive electrode black powder; and (3) adding a transition metal raw material into the lithiated regenerated positive electrode black powder, heating to 600-900 DEG C in an air or oxygen atmosphere, and carrying out heat preservation calcination for 1-4 hours to obtain the repaired and regenerated layered oxide positive electrode material. The method is simple in technological ...

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

Method for recovering lithium carbonate from positive electrode material of waste lithium iron phosphate battery

Номер: CN116177573A
Автор: ZHANG YANHUI, XU YUQI, ZHU JINGJING, KONG XUERONG, DENG YANLI, LEI WENWEN, ZHANG FENGXUE
Принадлежит:

The invention belongs to the technical field of recycling and comprehensive utilization of waste lithium ion power batteries, and particularly relates to a method for recycling battery-grade lithium carbonate from a positive electrode material of a waste lithium iron phosphate battery. According to the recycling process, lithium iodide is added to serve as a precipitant of impurity metal ions, the dissolvability of iodide of Cu, Al and Mg in absolute ethyl alcohol is extremely low, and LiI is extremely easy to dissolve in ethyl alcohol, so that impurity ions of Cu, Al, Mg and the like in the lithium-rich liquid are completely precipitated, and the impurity removal effect is achieved; meanwhile, in the subsequent step of preparing the lithium carbonate through lithium precipitation, the input lithium iodide can be converted into the lithium carbonate, secondary utilization of the input is achieved, that is, the lithium iodide is used as an impurity precipitator and a raw material, cost is ...

Подробнее
Номер записи: 3
23-06-2023 дата публикации

Method for directly repairing and regenerating waste lithium iron phosphate positive electrode based on two electron lithiation reagents

Номер: CN116315233A
Автор: QIAN JIANGFENG, WU CHEN, ZHANG FENGXUE, ZHANG YANHUI, ZHAI JIANMING, XU MINGLI, AI XINPING
Принадлежит:

The invention discloses a method for directly repairing and regenerating a waste lithium iron phosphate positive electrode based on two electron lithiation reagents. The method comprises the following steps: (1) completely discharging a recycled waste lithium iron phosphate battery, disassembling, separating and collecting a positive electrode active material; (2) adding an aromatic ketone dilithium reagent into the positive electrode active material, stirring and reacting for 1-4 hours, centrifuging, washing and drying to obtain a lithiated regenerated lithium iron phosphate positive electrode; wherein the ratio of the molar weight of lithium in the aromatic ketone dilithium reagent to the missing molar weight of lithium in the positive electrode active material is greater than or equal to 1; the aromatic ketone dilithium reagent consists of aromatic ketone dilithium and an organic solvent; the molar ratio of aromatic ketone molecules to lithium in the aromatic ketone dilithium is 1: 2 ...

Подробнее
Номер записи: 4
04-04-2023 дата публикации

Flexible circuit board spraying device

Номер: CN115889032A
Автор: ZHANG YANHUI
Принадлежит:

The invention discloses a flexible circuit board spraying device, and belongs to the technical field of circuit board spraying processing, the flexible circuit board spraying device comprises a fixed cylinder, the bottom of the fixed cylinder is fixedly provided with supporting legs, the inner cavity of the fixed cylinder is movably connected with a turntable, and the bottom of the turntable is communicated with a discharge pipe. Then, the upper placing plate is driven to rotate, a mechanical arm is used for feeding and discharging a circuit board, then the circuit board is sprayed through a spraying head, meanwhile, redundant spraying materials are sprayed to the inner wall of a rotating disc, and through rotation of the rotating disc, a wiping block can wipe the spraying materials on the upper portion of the inner wall of the rotating disc; and then a servo motor is used for driving a rotating shaft to rotate, then the rotating shaft drives an elastic protruding block to rotate through ...

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

Method for obtaining battery-grade lithium phosphate from positive electrode material of waste lithium iron phosphate battery

Номер: CN116216674A
Автор: ZHANG YANHUI, DENG YANLI, ZHU JINGJING, XU YUQI, LEI WENWEN, KONG XUERONG, ZHANG FENGXUE
Принадлежит:

The invention belongs to the technical field of recycling and comprehensive utilization of waste lithium ion power batteries, and particularly relates to a method for obtaining battery-grade lithium phosphate from a positive electrode material of a waste lithium iron phosphate battery. Battery-grade lithium phosphate is obtained after acid leaching, oxidation, impurity removal and precipitation, and meanwhile, one of important lithium battery raw materials, namely iron phosphate, is prepared, so that resource waste is avoided; according to the method disclosed by the invention, the impurity removal rate of the purified product is high, the total content of calcium, magnesium, iron, potassium and sodium in the prepared battery-grade lithium phosphate is less than 0.1%, and the purity of the battery-grade lithium phosphate can reach 99.4% or above.

Подробнее
Номер записи: 6
11-08-2023 дата публикации

Clamp with fool-proof function

Номер: CN116577529A
Автор: WEN LIANG, ZHANG YANHUI, ZHU YANFEI
Принадлежит:

According to the clamp with the fool-proof function, a product can be positioned, and whether the cover plate is pressed down in place or not can be detected. The device comprises a carrier plate module, a downward pressing module, a sliding block module and a fool-proof module, the downward pressing module is hinged to the carrier plate module, the sliding block module is in sliding fit with the carrier plate module, the fool-proof module is arranged on the carrier plate module, the downward pressing module is in transmission fit with one end of the fool-proof module, and the downward pressing module is in transmission fit with the other end of the fool-proof module. And the slide block module is in limiting fit with the other end of the fool-proof module. The clamp is applied to the technical field of clamps.

Подробнее
Номер записи: 7