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337results about How to "Good partition" patented technology

Wax injection mold for investment casting of hollow turbine blades and method for rapidly manufacturing wax injection mold

The invention discloses a wax injection mold for investment casting of hollow turbine blades and a method for rapidly and accurately manufacturing the wax injection mold. The mold consists of a cavity mold, a mold core and an accessory structure, wherein the cavity mold comprises an upper mold and a lower mold of a combined structure; each mold block forming the cavity mold consists of an external aluminum mold frame, an internal cast zinc alloy inlay and a conformal cooling copper pipe embedded into the inlay; a mold core positioning piece which can be decomposed at a high temperature is arranged on a longitudinal rib of the mold core; and water-soluble core blocks used for forming exhaust openings in the rear edges of the turbine blades are arranged on rear edge ribs of the mold core. The matching precision of the mold core positioning piece and the cavity mold is guaranteed by adopting a cavity mold interior running-in method, and the matching precision of the water-soluble core blocks and the cavity mold is guaranteed by adopting a cavity mold interior adhesion method. The wax injection mold disclosed by the invention is low in manufacturing cost and short in period, and the high wax pattern precision and core positioning precision can be obtained.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Hybrid solid-liquid electrolyte lithium storage battery

The invention belongs to the technical field of a solid-state lithium battery, and particularly discloses a hybrid solid-liquid electrolyte lithium storage battery. The lithium storage battery comprises a positive electrode plate, a negative electrode plate and a composite solid-state electrolyte piece, wherein the composite solid-state electrolyte piece is arranged between the positive electrodeplate and the negative electrode plate and comprises a solid-state electrolyte core layer and buffer glue layers, the buffer glue layers are arranged at two sides of the solid-state electrolyte core layer, the solid-state electrolyte core layer is formed by mainly mixing core layer inorganic solid-state electrolyte, an electrolyte polymer and an electrolyte additive, and each buffer glue layer isformed by mainly mixing a buffer glue layer inorganic solid-state electrolyte, a buffer glue layer lithium salt and a buffer glue layer additive. During fabrication of the lithium storage battery, a co-extrusion technology and a rolling technology are combined, primary processing and formation are achieved, the lithium storage battery has the characteristics of high production efficiency and is simple and convenient to operate, and the fabricated lithium storage battery has relatively high electric cycle property and safety.
Owner:ZHEJIANG FUNLITHIUM NEW ENERGY TECH CO LTD
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