25results about How to "Relieve swelling" patented technology

The invention relates to a medicated thread for traditional Chinese medicine thread moxibustion and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine. The medicated thread provided by the invention is treated by specific liquid medicine, so that the medicated thread combines the medicinal effects of various traditional Chinese medicinal materials, all the components have a synergistic effect, and when the medicated thread is used, the medicinal effects can be transferred to a focus part by stimulating acupuncture points, so that the inflammatory response can be effectively relieved, the blood circulation is promoted, the extravasated blood absorption and dissipation are accelerated, and the swelling and pain are relieved; the body function is adjusted by adjusting qi and blood circulation, the effect of supporting the healthy energy is achieved, and self-repairing and rehabilitation of the body are promoted.

The invention relates to the technical field of traditional Chinese medicine, and discloses a plaster for treating bone fracture and a preparation method thereof, and the plaster comprises the following raw materials: peach kernel, safflower, ligusticum wallichii, radix cyathulae, rhizoma drynariae, radix angelicae pubescentis, notopterygium root, eucommia ulmoides, astragalus membranaceus, pseudo-ginseng, native copper, dragon's blood, catechu, angelica sinensis, radix rehmanniae, gentiana macrophylla, radix saposhnikoviae, earthworm, centipede, scorpion, ground beetle, liquorice, frankincense, myrrh, yellow lead, sesame oil and other auxiliary materials. Pseudo-ginseng is added into the formula, the effects of promoting blood circulation to remove blood stasis, diminishing swelling and relieving pain of pseudo-ginseng are utilized, absorption of blood stasis of the bone fracture part can be accelerated, then pain and swelling caused by blood stasis blocking are remarkably relieved, blood circulation is promoted, and injury repair is promoted, and radix angelicae sinensis and radix rehmanniae are added into the formula, and the effects of replenishing blood and promoting blood circulation of radix angelicae sinensis and nourishing yin and cooling blood of radix rehmanniae are utilized, so that the bone fracture can be cured, and the bone fracture can be cured. And blood generation and local microcirculation improvement can be promoted, so that the blood supply and oxygen supply capacity of a bone fracture repair part is enhanced, and soft tissue repair is accelerated.

The invention belongs to the technical field of electrochemistry, and particularly relates to an artificial solid electrolyte interface film based on MXene quantum dots and a preparation method and application thereof.The preparation method includes the steps that an MAX phase is etched with concentrated hydrochloric acid to obtain MXene nanosheets, then the MXene quantum dots are obtained through freeze drying assisted by a hydrothermal method or an ultrasonic treatment method, and after the MXene quantum dots are mixed with a binder and a solvent, the MXene quantum dots are prepared into the artificial solid electrolyte interface film based on the MXene quantum dots. And coating and evaporating the solvent to obtain the artificial solid electrolyte interfacial film based on the MXene quantum dots. The reason that the MXene quantum dots are adopted as the artificial solid electrolyte interfacial film is that the surfaces of the MXene quantum dots contain a large number of lithium-loving groups, and the MXene quantum dots can be used as seed sites to induce a uniform lithium deposition process, so that the growth of lithium dendrites is effectively inhibited, and the coulombic efficiency of the lithium metal battery is improved.

The invention discloses an Al2O3-SiC-MgAl2O4-C castable prepared from waste magnesia carbon materials and a preparation method of the Al2O3-SiC-MgAl2O4-C castable, and belongs to the technical field of unshaped refractory materials, the Al2O3-SiC-MgAl2O4-C castable is prepared from white corundum aggregate, silicon carbide, waste magnesia carbon bricks, spherical asphalt, alpha-Al2O3 fine powder, silicon oxide fine powder, monatomic silicon powder and calcium aluminate cement as raw materials, and a water reducing agent and water are added; the preparation method comprises the following steps: mixing the materials in a stirrer, stirring, pouring and molding, curing at room temperature, demolding, drying for 36-50 hours, carrying out heat treatment at 1550-1650 DEG C in a carbon-buried atmosphere, and keeping the temperature for 3-5 hours to obtain the refractory castable for the iron runner by using the waste magnesia carbon bricks. The prepared refractory castable is excellent in high-temperature performance and high in oxidation resistance, the service life is obviously prolonged, and meanwhile resource recycling is enhanced.

This invention provides a traditional Chinese medicine preparation for promoting blood circulation and relieving pain, and its preparation method, relating to the field of traditional Chinese medicine pharmaceutical technology. The preparation is made from the following parts by weight of traditional Chinese medicine raw materials: 10-30 parts of Polygonatum sibiricum, 10-30 parts of Spatholobus suberectus, 10-30 parts of Curcuma longa, 5-20 parts of Sparganium stoloniferum, 5-20 parts of Areca catechu peel, 5-20 parts of Polygonum hydropiper, 5-20 parts of Rhizoma Scutellariae, 1-5 parts of Artemisia argyi, 5-20 parts of Solanum nigrum, 5-20 parts of Catechu, 10-30 parts of Scutellaria barbata, 5-20 parts of Aristolochia debilis, 10-30 parts of Astragalus membranaceus, and 5-20 parts of Artemisia argyi oil. The traditional Chinese medicine preparations described in this invention differ from those that typically enhance the efficacy of a single herb. Instead, they exhibit a synergistic relationship where one plus one equals more than two. The principal, assistant, adjuvant, and guide herbs complement each other, combining both tonifying and purging effects. This approach effectively promotes the dissipation of blood stasis, unblocks the flow of qi and blood in the meridians, eliminates local inflammation, and reduces swelling and pain. Simultaneously, it nourishes the tendons and bones, supports the body's vital energy, and enhances the body's ability to resist pathogens and repair damage. Thus, it comprehensively alleviates pain caused by various factors, achieving the goals of promoting blood circulation, removing blood stasis, clearing the meridians, reducing inflammation and swelling, and relieving pain.

The invention discloses a bone fracture rehabilitation treatment device, and relates to the technical field of bone fracture rehabilitation assistion.The bone fracture rehabilitation treatment device comprises a leg support, a supporting frame is movably arranged at the bottom end of the leg support, a rotating shaft is fixedly arranged at one end of the leg support, a rotating adjusting assembly is arranged in a bending frame, and the rotating adjusting assembly comprises an adjusting part and a torsion part; the torsion part is matched with the rotating shaft, the adjusting part controls connection of the torsion part and the rotating shaft, a fumigation assembly is arranged on the outer side of the fumigation pinch plate, and the device achieves'load / no-load 'switchable design of shank lifting training through ingenious matching of the rotating adjusting assembly and the torsion part. Through free rotation of the bending frame around the rotating shaft, low-intensity movement is performed on muscles around the shank, the situation that a bone fracture part is injured due to overlarge load is avoided, muscle strength is intensified in a targeted mode, blood circulation is promoted, a good muscle supporting and metabolism environment is provided for bone fracture healing, and the progressive scientific rehabilitation rhythm is achieved.

The invention discloses a graphite composite material as well as a preparation method and application thereof. The material comprises graphite and a composite porous carbon layer coating the graphite, the composite porous carbon layer contains hard carbon and graphitized carbon, the graphite composite material is prepared from the raw materials of the composite porous carbon layer, the graphite and an oxygen-containing pore-forming agent, the raw materials of the composite porous carbon layer comprise a hard carbon precursor and a graphitized carbon precursor, and the oxygen-containing pore-forming agent is prepared from the hard carbon precursor and the graphitized carbon precursor. The mass ratio of the graphite to the total mass of the raw materials of the composite porous carbon layer is less than 28: 1, and the mass ratio of the graphitized carbon precursor to the hard carbon precursor is more than 1: 1; the ratio of the total mass of the raw materials of the composite porous carbon layer to the mass of the oxygen-containing pore-forming agent is more than 10: 1. When the graphite composite material disclosed by the invention is prepared into a negative electrode material of a secondary battery, the graphite composite material has excellent quick charging performance and good cycling stability, and a new possibility is developed for high-performance battery application in multiple fields of electric automobiles, portable electronic equipment, energy storage systems and the like.

The invention relates to the technical field of dental restoration, and provides a composition for consolidating teeth and restoring gingival atrophy. The composition for consolidating teeth and repairing gingival atrophy comprises the following components in percentage by weight: 8%-12% of cortex moutan, 4%-8% of Chinese prickly ash, 15%-25% of nux vomica, 3%-8% of radix scutellariae, 4%-8% of radix isatidis, 8%-12% of radix sophorae flavescentis, 18%-22% of ethanol, 1%-4% of a green tea extract, 0.5%-3% of a turmeric extract and 1 * 10 < 8 > CFU / g of lactobacillus. The composition for consolidating teeth and repairing gingival atrophy provided by the invention can achieve the effects of reducing internal heat and strengthening teeth through the cooperative effect of the cortex moutan, the pepper, the nux vomica, the radix scutellariae, the radix isatidis and the radix sophorae flavescentis, and has relatively good antioxidant and anti-inflammatory effects through the cooperative effect of the green tea extract, the turmeric extract, the lactobacillus and the bifidobacterium; the toothpaste can also regulate the microbial environment of the oral cavity and promote tissue repair and regeneration, and through the synergistic effect of the components, the toothpaste not only directly acts on gingiva, but also can improve the overall oral hygiene level and reduce the occurrence probability of decayed teeth and other oral diseases.

The invention relates to the technical field of traditional Chinese medicines, and particularly discloses a teabag for treating gout, which is prepared from the following raw materials in parts by weight: 30-40 parts of dandelion, 8-16 parts of turmeric, 20-26 parts of fructus liquidambaris, 8-16 parts of selfheal, 5-10 parts of radix cyathulae, 20-26 parts of lophatherum gracile, 5-10 parts of rehmannia and 10-18 parts of parasitic loranthus. The teabag has the beneficial effects that the teabag is prepared from pure traditional Chinese medicines, is simple and convenient to take, has no toxic or side effect, can resist inflammation and diminish swelling, clear heat and purge fire, dredge collaterals and stop pain, induce diuresis and discharge uric acid, regulate body functions and promote uric acid reduction after being brewed and drunk for a long time, and has a good curative effect on joint redness and swelling, burning and scalding and pain caused by gout.

The invention provides a negative current collector and a preparation method thereof, a negative pole piece and a battery, the negative current collector comprises a current collector substrate, a lithium-loving metal layer and a polymer layer, the lithium-loving metal layer is arranged on at least one side of the current collector substrate, and the polymer layer is arranged on one side, deviating from the current collector substrate, of the lithium-loving metal layer; the polymer layer has a porous structure, and the polymer layer contains conjugated carbonyl. The polymer layer with the porous structure is arranged on the lithium-loving metal layer, so that uniform deposition of lithium is realized. The porous structure of the polymer layer provides a rapid migration channel for lithium ions, provides a lithium deposition space, relieves the volume expansion of the negative electrode, and inhibits the generation of lithium dendrites. The lithium-loving metal layer and the polymer layer have lithium-loving difference, lithium is induced to preferentially deposit from bottom to top through the porous structure, lithium dendrite growth is inhibited, and the coulombic efficiency in the cycle process is improved. In addition, by arranging the polymer layer, the negative electrode current collector has relatively high mechanical strength and flexibility.

The utility model relates to the field of medical instruments, in particular to a disposable crissum postoperative nursing pad. The utility model provides a disposable crissum postoperative nursing pad which can inject water to perform hot compress or cold compress on a patient when the disposable crissum postoperative nursing pad is pasted for use, relieve inflammation, swelling and pain, reduce bleeding, improve use comfort and promote wound healing. A disposable crissum postoperative nursing pad comprises a breathable pad, a first sticking sheet and the like, and the upper side of the rear portion of the breathable pad is connected with the first sticking sheet. Cold water or hot water is poured into the water injection pipe and then enters the water bag for water injection, then the anti-overflow screw cover is rotated to be movably installed for sealing, then the device is pasted on trousers for use, hot compress or cold compress is carried out through hot water or cold water, and therefore when the device is pasted for use, water injection can be carried out on a patient for hot compress or cold compress. Inflammation, swelling and pain are relieved, bleeding is reduced, the use comfort is improved, and wound healing is promoted.

The invention discloses a wound ointment, which belongs to the technical field of traditional Chinese medicines and comprises the following components in parts by weight: 2-4 parts of catechu, 30-60 parts of radix clematidis, 10-20 parts of bighead atractylodes rhizome, 45-50 parts of astragalus membranaceus, 4-6 parts of dragon's blood and 100 parts of white vaseline. The trauma ointment is prepared through reasonable compatibility, screening and preparation of the selected traditional Chinese medicines for many years, can rapidly permeate into the deep layer of skin, has the effects of clearing away heat and toxic materials, preventing corrosion and promoting tissue regeneration, promoting blood circulation to remove blood stasis, activating tissue regeneration and memory ability and preventing scar generation, and has a remarkable curative effect after being clinically used by more than ten thousands of patients suffering from knife wounds, scalds and bedsores with different degrees. The effective rate is 96%, the cure rate is 98%, no pain is caused in the whole treatment process, infection is resisted, necrotic tissue is removed, tissue regeneration is promoted, and wound healing is rapid.

A rehabilitation training wrist developer belongs to the field of rehabilitation training instruments. Comprising an elastic rubber airbag; the outer circular surface of the elastic rubber air bag is fixedly connected with a finger ring, and the outer circular surface of the elastic rubber air bag is also fixedly connected with a fixing seat for fixing a thumb; the fixed seat is arc-shaped, and an arc-shaped groove and a groove communicated with the arc-shaped groove are formed in the inner circular surface of the fixed seat; pressing air bags are fixedly connected into the arc-shaped grooves and the grooves; the end, located in the arc-shaped groove, of the pressing air bag is fixedly connected to the outer circle face of the elastic rubber air bag, and a through hole communicating the pressing air bag with the elastic rubber air bag is formed in the outer circle face of the elastic rubber air bag. The elastic rubber air bag is used for replacing a traditional body-building hand-muscle developer, inflammation aggravation or secondary injury induction caused by excessive friction between tendons and tendon sheaths is avoided, meanwhile, the functions of pressing the thumb of a patient and stimulating vasodilatation are achieved, blood circulation is promoted, metabolic waste discharge is accelerated, swelling and stiffness are relieved, and the body-building effect is achieved. The muscle tension can be relieved.

The present application provides a negative electrode material and a preparation method thereof, an electrochemical device and an electronic device, wherein the negative electrode material comprises a porous carbon fiber skeleton and a silicon-based material filled inside the porous carbon fiber skeleton; wherein the diameter of the porous carbon fiber skeleton is 0.5um to 5um, and the aspect ratio of the porous carbon fiber skeleton is 5 to 100. The negative electrode material provided by the present application can effectively alleviate the expansion of the negative electrode caused by the expansion of the silicon base and graphite, thereby improving the cycle performance of the negative electrode material.

The invention discloses a tea substitute for reducing uric acid and assisting in the treatment of gout, comprising by weight: 55-90 parts of black tea, 12-18 parts of Codonopsis pilosula, 12-18 parts of Smilax glabra, 12-18 parts of water flos floridis, 12-18 parts of Hibiscus mutabilis leaves, 8-12 parts of corn silk, 8-12 parts of dandelion, 8-12 parts of Momordica grosvenori, 5-10 parts of hawthorn, 5-10 parts of yam, 3-8 parts of wolfberry, 3-8 parts of Eucommia ulmoides, and 2-5 parts of Sargassum polysaccharide. The Chinese medicinal ingredients are reasonably matched according to the monarch, minister, assistant and envoy theory, Sargassum polysaccharide has certain viscosity, stability and antioxidant properties, helps to maintain the physical properties and texture stability of the product, and the black tea base is compounded with a variety of Chinese herbal medicines and Sargassum polysaccharide for taking, has good uric acid reduction and inhibitory effects, and can be used for assisting the prevention and treatment of gout.

The invention provides traditional Chinese medicine bone-strengthening granules and relates to the field of traditional Chinese medicine granules. The traditional Chinese medicine bone-strengthening granules are specifically prepared from the following raw materials in parts by weight: 60-80 parts of deer blood, 50-70 parts of agkistrodon halys, 110-200 parts of papaya, 5-20 parts of clove, 3-15 parts of liquorice, 10-30 parts of red dates, 5-10 parts of lemon, 6-8 parts of stevioside and a proper amount of milk mineral salt. The bone-strengthening granules are prepared by freeze-drying, concentrating and granulating authentic medicinal materials, and the bone-strengthening granules are prepared by selecting a plurality of medicinal and edible traditional Chinese medicinal materials and extracting through scientific compatibility and a special process, so that the bone-strengthening granules aim to help to improve the health condition of bones, enhance the strength of the bones and reduce the risk of various bone diseases such as osteoporosis.

The application provides a silicon-carbon negative electrode material and a preparation method and a lithium ion battery thereof, the silicon-carbon negative electrode material is a grape-like secondary particle, the secondary particle is composed of primary particles, carbon nanotubes and graphite, the surface of the primary particle is connected with the graphite through the carbon nanotubes; the primary particle is a double-coated silicon-based material, the inner core of the primary particle is a silicon-based material, the inner coating layer is an oxide layer, and the outer coating layer is a carbon coating layer. The application effectively enhances the conductivity of the silicon-carbon negative electrode material by designing the grape-like silicon-carbon negative electrode material, solves the problems of particle separation and poor conductivity in the expansion process, and the material has a high degree of disorder, which is beneficial to improving the fast-charging performance of the material; in addition, the double-coated silicon-based material surface can improve the initial efficiency while reducing the residual of the surface alkali, and can effectively alleviate the expansion problem of the silicon-based material, reduce the erosion of the electrolyte to the surface of the silicon-based material, and further enhance the cycle performance of the material.

A silicon-carbon anode material with a curved graphite layer structure and its preparation method are disclosed, belonging to the field of battery anode materials. The specific solution is as follows: A silicon-carbon anode material with a curved graphite layer structure comprises a silicon phase and a carbon phase. The carbon phase is a partially graphitized carbon matrix, which includes multiple multilayer curved graphite layer units. Micropores are formed between these multiple multilayer curved graphite layer units, and an interconnected pore network is formed between the arched cavities of the multilayer curved graphite layers and the micropores. The silicon phase is distributed on the surface of the multilayer curved graphite layer units, inside the arched cavities, and within the micropores. In this invention, the arched cavities formed by the multiple multilayer curved graphite layer units are interconnected with the micropores, providing effective pores to alleviate silicon expansion while also providing an effective pathway for subsequent ion transport.

This invention belongs to the field of traditional Chinese medicine compound technology, and discloses a traditional Chinese medicine compound and mask preparation for anti-inflammatory, soothing and repairing facial dermatitis. The traditional Chinese medicine compound is made from the following traditional Chinese medicines in parts by weight: purslane: 10-15 parts, phellodendron bark: 10-12 parts, burnet root: 10-12 parts, and licorice root: 6-10 parts. This invention selects four medicinal materials—purslane, phellodendron bark, burnet root, and licorice root—and formulates them in a clear and coordinated manner. The herbs work synergistically, addressing both the symptoms and the root cause. It can clear heat and dampness, cool the blood and detoxify, and also has modern pharmacological activities such as anti-inflammatory and antibacterial effects, and promotes wound healing. It can effectively improve various skin lesions such as erythema, swelling, itching, and burning in facial dermatitis. Moreover, the medicine is mild, has low irritation, acts directly on the affected area, has a direct effect, and is highly safe.

The invention relates to the technical field of health-care products, in particular to an old people health-care product rich in cinnamon powder, the old people health-care product rich in cinnamon powder has a remarkable effect in the aspect of regulating blood sugar, the cinnamon powder contains a component capable of enhancing insulin sensitivity, and insulin is an important hormone for regulating blood sugar. The health-care product rich in cinnamon powder has a remarkable positive effect in the aspect of regulating blood sugar, promotes absorption of cells to glucose in blood, can inhibit activity of enzymes for decomposing carbohydrates in intestinal tracts, contributes to stabilizing the blood sugar level, and has the effects of promoting blood circulation and lowering blood sugar level in the aspect of cardiovascular health. The cinnamon powder is beneficial to lowering blood pressure, improving blood fat conditions and reducing the risk of atherosclerosis, for a digestive system, the health care product can promote digestion, stimulate gastric secretion and increase gastrointestinal peristalsis and also has an antibacterial effect, and in the anti-inflammatory aspect, compounds in the cinnamon powder can inhibit generation of inflammatory mediators and relieve inflammatory response, so that the health care product has an anti-inflammatory effect. And arthralgia and swelling are relieved.

The invention relates to the technical field of concrete preparation, and discloses a concrete preparation device for optimizing steel slag aggregate performance based on laser micropores and magnetic potential control. Comprising a central control module, and a circulating module, a laser micropore module, a screening and weak magnetic supplementing module, an instantaneous pressure dust removal module and a magnetic force position control mixing module which are controlled to work by adopting the central control module. The expansion problem possibly caused by the steel slag is effectively relieved. The distribution uniformity of the steel slag aggregate in the steel slag concrete can be improved, and the uniformity of the steel slag aggregate in the mixing process of the steel slag concrete is optimized, so that the performance of the steel slag concrete is improved. The instant negative pressure effect is generated through rapid pressure relief, dust and fine particles generated by laser drilling are rapidly sucked away, and therefore the purposes of cleaning the surfaces of micropores of the steel slag aggregate and cleaning the micropores are achieved.

This invention discloses a negative electrode sheet and a lithium-ion battery. The negative electrode sheet includes at least two sets of active units coated sequentially from one side of a negative electrode current collector. Each set of active units includes a graphite negative electrode layer and a hard carbon negative electrode layer coated sequentially from the inside out. The graphite negative electrode layer has multiple pores spaced apart on the side adjacent to the hard carbon negative electrode layer, and hard carbon negative electrode material for forming the hard carbon negative electrode layer is embedded within these pores. The pore capacity between each set of active units increases sequentially from the inside out. This invention, by optimizing the negative electrode sheet structure, can significantly improve the low-temperature charge-discharge cycle performance of the battery. This multi-layer negative electrode sheet has the advantages of high charging efficiency and strong low-temperature charge-discharge capability, which can significantly improve the high-rate charge-discharge performance of lithium-ion batteries and extend the electrode life under high-rate charge-discharge conditions.

The invention discloses a photo-thermal agent for treating allergic rhinitis and application of the photo-thermal agent in preparation of drugs for treating allergic rhinitis, a method comprises the following steps: firstly, reacting a compound 1 with two pyridine groups with diethyleneglycol-2-bromoethyl methyl ether to prepare an ether-oxygen chain substituted compound 2, then dissolving the prepared compound 2 and DSPE-mPEG5000 in tetrahydrofuran, and carrying out a reaction to obtain the photo-thermal agent for treating allergic rhinitis. According to the invention, the pyridinium salt group is taken as a carrier, self-assembly is carried out to form nano-particles, and the nano-particles promote intramolecular charge transfer and cause red shift of absorption wavelength due to the strong electron withdrawing effect of the pyridinium salt group, have deeper tissue penetrating power, and can effectively reach the deep part of nasal mucosa to treat deep inflammation; the RH-coated NPs prepared by the invention has both high-efficiency photothermal conversion performance and photodynamic therapy sensitivity, so that the synergistic effect of PTT and PDT on treatment of allergic rhinitis becomes possible, the treatment effect is greatly improved, and a new way is opened up for treatment of allergic rhinitis.

The utility model belongs to the technical field of buggy storage boxes, and discloses an anti-falling buggy storage box which comprises a bracket, sliding blocks are slidably mounted on the two sides of the inner side of the bracket, limiting rods with the two ends fixedly connected with the bracket are mounted on the sliding blocks in an inserted mode, and the outer walls, located on the two sides of the sliding blocks, of the limiting rods are sleeved with first springs; a storage box is fixedly installed on the inner side of the sliding block, hook-and-loop fastener plates are bonded to the two sides of the storage box, air bag plates are bonded to the outer sides of the hook-and-loop fastener plates, when the buggy topples over, the bracket and the storage box can also topple over along with the buggy, and at the moment, the air bag plates bonded to the hook-and-loop fastener plates on the outer walls of the two sides of the storage box make contact with the ground firstly; the storage box is arranged on the bracket and is prevented from being directly contacted and collided with the ground, and meanwhile, under the collision force of the ground, the storage box can move towards the side away from the ground through sliding of the sliding blocks on the two sides of the inner side of the bracket to buffer the instant collision force of the ground, so that the storage box is effectively protected from being collided and damaged, and the anti-falling effect is achieved.

The present invention relates to the field of battery manufacturing technology, and specifically to a method for solving the wrinkles of negative electrode sheets, comprising the following steps: shortening a variable length support plate to a suitable length inside a winding core by low temperature treatment; placing the shortened variable length support plate inside the winding core as a winding core liner during winding; after winding, restoring the variable length support plate to room temperature, and restoring its length to its initial length. The present invention introduces a variable length support plate inside the winding core to ensure that the internal winding core is uniformly stressed and to avoid the generation of wrinkles. The length of the variable length support plate changes significantly at low temperatures, and the length changes are negligible at room temperature and high temperatures. Place the support plate inside the winding core at low temperatures, and wait for the support plate to return to room temperature before its length becomes longer, thereby providing support force to the internal electrode sheet.